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convert rb532 to the new structure 

SVN-Revision: 7273
lede-17.01
Felix Fietkau 2007-05-19 13:14:38 +00:00
parent 61338e5fe8
commit 5938ba9844
34 changed files with 5945 additions and 5909 deletions
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49
target/linux/rb532-2.6/files/arch/mips/pci/fixup-rb500.c Normal file
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/*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* stevel@mvista.com or source@mvista.com
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/autoconf.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <asm/rc32434/rc32434.h>
static int __devinitdata irq_map[2][12] = {
{ 0, 0, 2, 3, 2, 3, 0, 0, 0, 0, 0, 1 },
{ 0, 0, 1, 3, 0, 2, 1, 3, 0, 2, 1, 3 }
};
int __devinit pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
int irq = 0;
if (dev->bus->number < 2 && PCI_SLOT(dev->devfn) < 12) {
irq = irq_map[dev->bus->number][PCI_SLOT(dev->devfn)];
}
return irq + GROUP4_IRQ_BASE + 4;
}

218
target/linux/rb532-2.6/files/arch/mips/pci/ops-rc32434.c Normal file
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/**************************************************************************
*
* BRIEF MODULE DESCRIPTION
* pci_ops for IDT EB434 board
*
* Copyright 2004 IDT Inc. (rischelp@idt.com)
* Copyright 2006 Felix Fietkau <nbd@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
**************************************************************************
* May 2004 rkt, neb
*
* Initial Release
*
*
*
**************************************************************************
*/
#include <linux/autoconf.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/types.h>
#include <linux/delay.h>
#include <asm/cpu.h>
#include <asm/io.h>
#include <asm/rc32434/rc32434.h>
#include <asm/rc32434/pci.h>
#define PCI_ACCESS_READ 0
#define PCI_ACCESS_WRITE 1
#define PCI_CFG_SET(bus,slot,func,off) \
(rc32434_pci->pcicfga = (0x80000000 | \
((bus) << 16) | ((slot)<<11) | \
((func)<<8) | (off)))
static inline int config_access(unsigned char access_type, struct pci_bus *bus,
unsigned int devfn, unsigned char where,
u32 * data)
{
unsigned int slot = PCI_SLOT(devfn);
u8 func = PCI_FUNC(devfn);
/* Setup address */
PCI_CFG_SET(bus->number, slot, func, where);
rc32434_sync();
if (access_type == PCI_ACCESS_WRITE)
rc32434_pci->pcicfgd = *data;
else
*data = rc32434_pci->pcicfgd;
rc32434_sync();
return 0;
}
/*
* We can't address 8 and 16 bit words directly. Instead we have to
* read/write a 32bit word and mask/modify the data we actually want.
*/
static int read_config_byte(struct pci_bus *bus, unsigned int devfn,
int where, u8 * val)
{
u32 data;
int ret;
ret = config_access(PCI_ACCESS_READ, bus, devfn, where, &data);
*val = (data >> ((where & 3) << 3)) & 0xff;
return ret;
}
static int read_config_word(struct pci_bus *bus, unsigned int devfn,
int where, u16 * val)
{
u32 data;
int ret;
ret = config_access(PCI_ACCESS_READ, bus, devfn, where, &data);
*val = (data >> ((where & 3) << 3)) & 0xffff;
return ret;
}
static int read_config_dword(struct pci_bus *bus, unsigned int devfn,
int where, u32 * val)
{
int ret;
int delay = 1;
if (bus->number == 0 && PCI_SLOT(devfn) > 21)
return 0;
retry:
ret = config_access(PCI_ACCESS_READ, bus, devfn, where, val);
/* PCI scan: check for invalid values, device may not have
* finished initializing */
if (where == PCI_VENDOR_ID) {
if (ret == 0xffffffff || ret == 0x00000000 ||
ret == 0x0000ffff || ret == 0xffff0000) {
if (delay > 4)
return 0;
delay *= 2;
msleep(delay);
goto retry;
}
}
return ret;
}
static int
write_config_byte(struct pci_bus *bus, unsigned int devfn, int where,
u8 val)
{
u32 data = 0;
if (config_access(PCI_ACCESS_READ, bus, devfn, where, &data))
return -1;
data = (data & ~(0xff << ((where & 3) << 3))) |
(val << ((where & 3) << 3));
if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data))
return -1;
return PCIBIOS_SUCCESSFUL;
}
static int
write_config_word(struct pci_bus *bus, unsigned int devfn, int where,
u16 val)
{
u32 data = 0;
if (config_access(PCI_ACCESS_READ, bus, devfn, where, &data))
return -1;
data = (data & ~(0xffff << ((where & 3) << 3))) |
(val << ((where & 3) << 3));
if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data))
return -1;
return PCIBIOS_SUCCESSFUL;
}
static int
write_config_dword(struct pci_bus *bus, unsigned int devfn, int where,
u32 val)
{
if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &val))
return -1;
return PCIBIOS_SUCCESSFUL;
}
static int pci_config_read(struct pci_bus *bus, unsigned int devfn,
int where, int size, u32 * val)
{
switch (size) {
case 1:
return read_config_byte(bus, devfn, where, (u8 *) val);
case 2:
return read_config_word(bus, devfn, where, (u16 *) val);
default:
return read_config_dword(bus, devfn, where, val);
}
}
static int pci_config_write(struct pci_bus *bus, unsigned int devfn,
int where, int size, u32 val)
{
switch (size) {
case 1:
return write_config_byte(bus, devfn, where, (u8) val);
case 2:
return write_config_word(bus, devfn, where, (u16) val);
default:
return write_config_dword(bus, devfn, where, val);
}
}
struct pci_ops rc32434_pci_ops = {
.read = pci_config_read,
.write = pci_config_write,
};

234
target/linux/rb532-2.6/files/arch/mips/pci/pci-rc32434.c Normal file
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/**************************************************************************
*
* BRIEF MODULE DESCRIPTION
* PCI initialization for IDT EB434 board
*
* Copyright 2004 IDT Inc. (rischelp@idt.com)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
**************************************************************************
* May 2004 rkt, neb
*
* Initial Release
*
*
*
**************************************************************************
*/
#include <linux/autoconf.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <asm/rc32434/rc32434.h>
#include <asm/rc32434/pci.h>
#define PCI_ACCESS_READ 0
#define PCI_ACCESS_WRITE 1
/* define an unsigned array for the PCI registers */
unsigned int korinaCnfgRegs[25] = {
KORINA_CNFG1, KORINA_CNFG2, KORINA_CNFG3, KORINA_CNFG4,
KORINA_CNFG5, KORINA_CNFG6, KORINA_CNFG7, KORINA_CNFG8,
KORINA_CNFG9, KORINA_CNFG10, KORINA_CNFG11, KORINA_CNFG12,
KORINA_CNFG13, KORINA_CNFG14, KORINA_CNFG15, KORINA_CNFG16,
KORINA_CNFG17, KORINA_CNFG18, KORINA_CNFG19, KORINA_CNFG20,
KORINA_CNFG21, KORINA_CNFG22, KORINA_CNFG23, KORINA_CNFG24
};
static struct resource rc32434_res_pci_mem1;
static struct resource rc32434_res_pci_mem2;
static struct resource rc32434_res_pci_mem1 = {
.name = "PCI MEM1",
.start = 0x50000000,
.end = 0x5FFFFFFF,
.flags = IORESOURCE_MEM,
.parent = &rc32434_res_pci_mem1,
.sibling = NULL,
.child = &rc32434_res_pci_mem2
};
static struct resource rc32434_res_pci_mem2 = {
.name = "PCI Mem2",
.start = 0x60000000,
.end = 0x6FFFFFFF,
.flags = IORESOURCE_MEM,
.parent = &rc32434_res_pci_mem1,
.sibling = NULL,
.child = NULL
};
static struct resource rc32434_res_pci_io1 = {
.name = "PCI I/O1",
.start = 0x18800000,
.end = 0x188FFFFF,
.flags = IORESOURCE_IO,
};
extern struct pci_ops rc32434_pci_ops;
#define PCI_MEM1_START PCI_ADDR_START
#define PCI_MEM1_END PCI_ADDR_START + CPUTOPCI_MEM_WIN - 1
#define PCI_MEM2_START PCI_ADDR_START + CPUTOPCI_MEM_WIN
#define PCI_MEM2_END PCI_ADDR_START + ( 2* CPUTOPCI_MEM_WIN) - 1
#define PCI_IO1_START PCI_ADDR_START + (2 * CPUTOPCI_MEM_WIN)
#define PCI_IO1_END PCI_ADDR_START + (2* CPUTOPCI_MEM_WIN) + CPUTOPCI_IO_WIN -1
#define PCI_IO2_START PCI_ADDR_START + (2 * CPUTOPCI_MEM_WIN) + CPUTOPCI_IO_WIN
#define PCI_IO2_END PCI_ADDR_START + (2* CPUTOPCI_MEM_WIN) + (2 * CPUTOPCI_IO_WIN) -1
struct pci_controller rc32434_controller2;
struct pci_controller rc32434_controller = {
.pci_ops = &rc32434_pci_ops,
.mem_resource = &rc32434_res_pci_mem1,
.io_resource = &rc32434_res_pci_io1,
.mem_offset = 0,
.io_offset = 0,
};
#ifdef __MIPSEB__
#define PCI_ENDIAN_FLAG PCILBAC_sb_m
#else
#define PCI_ENDIAN_FLAG 0
#endif
static int __init rc32434_pcibridge_init(void)
{
unsigned int pcicValue, pcicData = 0;
unsigned int dummyRead, pciCntlVal;
int loopCount;
unsigned int pciConfigAddr;
pcicValue = rc32434_pci->pcic;
pcicValue = (pcicValue >> PCIM_SHFT) & PCIM_BIT_LEN;
if (!((pcicValue == PCIM_H_EA) ||
(pcicValue == PCIM_H_IA_FIX) ||
(pcicValue == PCIM_H_IA_RR))) {
printk("PCI init error!!!\n");
/* Not in Host Mode, return ERROR */
return -1;
}
/* Enables the Idle Grant mode, Arbiter Parking */
pcicData |=(PCIC_igm_m|PCIC_eap_m|PCIC_en_m);
rc32434_pci->pcic = pcicData; /* Enable the PCI bus Interface */
/* Zero out the PCI status & PCI Status Mask */
for(;;)
{
pcicData = rc32434_pci->pcis;
if (!(pcicData & PCIS_rip_m))
break;
}
rc32434_pci->pcis = 0;
rc32434_pci->pcism = 0xFFFFFFFF;
/* Zero out the PCI decoupled registers */
rc32434_pci->pcidac=0; /* disable PCI decoupled accesses at initialization */
rc32434_pci->pcidas=0; /* clear the status */
rc32434_pci->pcidasm=0x0000007F; /* Mask all the interrupts */
/* Mask PCI Messaging Interrupts */
rc32434_pci_msg->pciiic = 0;
rc32434_pci_msg->pciiim = 0xFFFFFFFF;
rc32434_pci_msg->pciioic = 0;
rc32434_pci_msg->pciioim = 0;
/* Setup PCILB0 as Memory Window */
rc32434_pci->pcilba[0].a = (unsigned int) (PCI_ADDR_START);
/* setup the PCI map address as same as the local address */
rc32434_pci->pcilba[0].m = (unsigned int) (PCI_ADDR_START);
/* Setup PCILBA1 as MEM */
rc32434_pci->pcilba[0].c = ( ((SIZE_256MB & 0x1f) << PCILBAC_size_b) | PCI_ENDIAN_FLAG);
dummyRead = rc32434_pci->pcilba[0].c; /* flush the CPU write Buffers */
rc32434_pci->pcilba[1].a = 0x60000000;
rc32434_pci->pcilba[1].m = 0x60000000;
/* setup PCILBA2 as IO Window*/
rc32434_pci->pcilba[1].c = (((SIZE_256MB & 0x1f) << PCILBAC_size_b )| PCI_ENDIAN_FLAG);
dummyRead = rc32434_pci->pcilba[1].c; /* flush the CPU write Buffers */
rc32434_pci->pcilba[2].a = 0x18C00000;
rc32434_pci->pcilba[2].m = 0x18FFFFFF;
/* setup PCILBA2 as IO Window*/
rc32434_pci->pcilba[2].c = (((SIZE_4MB & 0x1f) << PCILBAC_size_b) | PCI_ENDIAN_FLAG );
dummyRead = rc32434_pci->pcilba[2].c; /* flush the CPU write Buffers */
/* Setup PCILBA3 as IO Window */
rc32434_pci->pcilba[3].a = 0x18800000;
rc32434_pci->pcilba[3].m = 0x18800000;
rc32434_pci->pcilba[3].c = ( (((SIZE_1MB & 0x1ff) << PCILBAC_size_b) | PCILBAC_msi_m) | PCI_ENDIAN_FLAG);
dummyRead = rc32434_pci->pcilba[3].c; /* flush the CPU write Buffers */
pciConfigAddr=(unsigned int)(0x80000004);
for(loopCount=0;loopCount<24;loopCount++){
rc32434_pci->pcicfga=pciConfigAddr;
dummyRead=rc32434_pci->pcicfga;
rc32434_pci->pcicfgd = korinaCnfgRegs[loopCount];
dummyRead=rc32434_pci->pcicfgd;
pciConfigAddr += 4;
}
rc32434_pci->pcitc = (unsigned int)((PCITC_RTIMER_VAL&0xff) << PCITC_rtimer_b)
| ((PCITC_DTIMER_VAL&0xff) << PCITC_dtimer_b);
pciCntlVal=rc32434_pci->pcic;
pciCntlVal &=~(PCIC_tnr_m);
rc32434_pci->pcic = pciCntlVal;
pciCntlVal=rc32434_pci->pcic;
return 0;
}
/* Do platform specific device initialization at pci_enable_device() time */
int pcibios_plat_dev_init(struct pci_dev *dev)
{
if (PCI_SLOT(dev->devfn) == 6 && dev->bus->number == 0) {
/* disable prefetched memory range */
pci_write_config_word(dev, PCI_PREF_MEMORY_LIMIT, 0);
pci_write_config_word(dev, PCI_PREF_MEMORY_BASE, 0x10);
pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 4);
}
return 0;
}
static int __init rc32434_pci_init(void)
{
printk("PCI: Initializing PCI\n");
ioport_resource.start = rc32434_res_pci_io1.start;
ioport_resource.end = rc32434_res_pci_io1.end;
rc32434_pcibridge_init();
register_pci_controller(&rc32434_controller);
rc32434_sync();
}
arch_initcall(rc32434_pci_init);

5
target/linux/rb532-2.6/files/arch/mips/rb500/Makefile Normal file
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#
# Makefile for the RB500 board specific parts of the kernel
#
obj-y += irq.o time.o setup.o serial.o prom.o misc.o devices.o

210
target/linux/rb532-2.6/files/arch/mips/rb500/devices.c Normal file
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/*
* RouterBoard 500 Platform devices
*
* Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* $Id$
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/ctype.h>
#include <linux/string.h>
#include <linux/platform_device.h>
#include <asm/unaligned.h>
#include <asm/io.h>
#include <asm/rc32434/rc32434.h>
#include <asm/rc32434/dma.h>
#include <asm/rc32434/dma_v.h>
#include <asm/rc32434/eth.h>
#include <asm/rc32434/rb.h>
#define ETH0_DMA_RX_IRQ GROUP1_IRQ_BASE + 0
#define ETH0_DMA_TX_IRQ GROUP1_IRQ_BASE + 1
#define ETH0_RX_OVR_IRQ GROUP3_IRQ_BASE + 9
#define ETH0_TX_UND_IRQ GROUP3_IRQ_BASE + 10
#define ETH0_RX_DMA_ADDR (DMA0_PhysicalAddress + 0*DMA_CHAN_OFFSET)
#define ETH0_TX_DMA_ADDR (DMA0_PhysicalAddress + 1*DMA_CHAN_OFFSET)
static struct resource korina_dev0_res[] = {
{
.name = "korina_regs",
.start = ETH0_PhysicalAddress,
.end = ETH0_PhysicalAddress + sizeof(ETH_t),
.flags = IORESOURCE_MEM,
},
{
.name = "korina_rx",
.start = ETH0_DMA_RX_IRQ,
.end = ETH0_DMA_RX_IRQ,
.flags = IORESOURCE_IRQ
},
{
.name = "korina_tx",
.start = ETH0_DMA_TX_IRQ,
.end = ETH0_DMA_TX_IRQ,
.flags = IORESOURCE_IRQ
},
{
.name = "korina_ovr",
.start = ETH0_RX_OVR_IRQ,
.end = ETH0_RX_OVR_IRQ,
.flags = IORESOURCE_IRQ
},
{
.name = "korina_und",
.start = ETH0_TX_UND_IRQ,
.end = ETH0_TX_UND_IRQ,
.flags = IORESOURCE_IRQ
},
{
.name = "korina_dma_rx",
.start = ETH0_RX_DMA_ADDR,
.end = ETH0_RX_DMA_ADDR + DMA_CHAN_OFFSET - 1,
.flags = IORESOURCE_MEM,
},
{
.name = "korina_dma_tx",
.start = ETH0_TX_DMA_ADDR,
.end = ETH0_TX_DMA_ADDR + DMA_CHAN_OFFSET - 1,
.flags = IORESOURCE_MEM,
}
};
static struct korina_device korina_dev0_data = {
.name = "korina0",
.mac = { 0xde, 0xca, 0xff, 0xc0, 0xff, 0xee }
};
static struct platform_device korina_dev0 = {
.id = 0,
.name = "korina",
.dev.platform_data = &korina_dev0_data,
.resource = korina_dev0_res,
.num_resources = ARRAY_SIZE(korina_dev0_res),
};
#define CF_GPIO_NUM 13
static struct resource cf_slot0_res[] = {
{
.name = "cf_membase",
.flags = IORESOURCE_MEM
},
{
.name = "cf_irq",
.start = (8 + 4 * 32 + CF_GPIO_NUM), /* 149 */
.end = (8 + 4 * 32 + CF_GPIO_NUM),
.flags = IORESOURCE_IRQ
}
};
static struct cf_device cf_slot0_data = {
.gpio_pin = 13
};
static struct platform_device cf_slot0 = {
.id = 0,
.name = "rb500-cf",
.dev.platform_data = &cf_slot0_data,
.resource = cf_slot0_res,
.num_resources = ARRAY_SIZE(cf_slot0_res),
};
/* Resources and device for NAND. There is no data needed and no irqs, so just define the memory used. */
static struct resource nand_slot0_res[] = {
{
.name = "nand_membase",
.flags = IORESOURCE_MEM
}
};
static struct platform_device nand_slot0 = {
.id = 0,
.name = "rb500-nand",
.resource = nand_slot0_res,
.num_resources = ARRAY_SIZE(nand_slot0_res),
};
static struct platform_device *rb500_devs[] = {
&korina_dev0,
&nand_slot0,
&cf_slot0
};
static void __init parse_mac_addr(char* macstr)
{
int i, j;
unsigned char result, value;
for (i=0; i<6; i++) {
result = 0;
if (i != 5 && *(macstr+2) != ':') {
return;
}
for (j=0; j<2; j++) {
if (isxdigit(*macstr) && (value = isdigit(*macstr) ? *macstr-'0' :
toupper(*macstr)-'A'+10) < 16) {
result = result*16 + value;
macstr++;
}
else return;
}
macstr++;
korina_dev0_data.mac[i] = result;
}
}
/* DEVICE CONTROLLER 1 */
#define CFG_DC_DEV1 (void*)0xb8010010
#define CFG_DC_DEV2 (void*)0xb8010020
#define CFG_DC_DEVBASE 0x0
#define CFG_DC_DEVMASK 0x4
#define CFG_DC_DEVC 0x8
#define CFG_DC_DEVTC 0xC
static int __init plat_setup_devices(void)
{
/* Look for the CF card reader */
if (!readl(CFG_DC_DEV1 + CFG_DC_DEVMASK))
rb500_devs[1] = NULL;
else {
cf_slot0_res[0].start = readl(CFG_DC_DEV1 + CFG_DC_DEVBASE);
cf_slot0_res[0].end = cf_slot0_res[0].start + 0x1000;
}
/* There is always a NAND device */
nand_slot0_res[0].start = readl( CFG_DC_DEV2 + CFG_DC_DEVBASE);
nand_slot0_res[0].end = nand_slot0_res[0].start + 0x1000;
return platform_add_devices(rb500_devs, ARRAY_SIZE(rb500_devs));
}
static int __init setup_kmac(char *s)
{
printk("korina mac = %s\n",s);
parse_mac_addr(s);
return 0;
}
__setup("kmac=", setup_kmac);
arch_initcall(plat_setup_devices);

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target/linux/rb532-2.6/files/arch/mips/rb500/irq.c Normal file
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/*
* BRIEF MODULE DESCRIPTION
* RC32434 interrupt routines.
*
* Copyright 2002 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* stevel@mvista.com or source@mvista.com
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/kernel_stat.h>
#include <linux/module.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/timex.h>
#include <linux/slab.h>
#include <linux/random.h>
#include <linux/delay.h>
#include <asm/bitops.h>
#include <asm/bootinfo.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/time.h>
#include <asm/mipsregs.h>
#include <asm/system.h>
#include <asm/rc32434/rc32434.h>
#include <asm/rc32434/gpio.h>
extern void set_debug_traps(void);
extern irq_cpustat_t irq_stat [NR_CPUS];
unsigned int local_bh_count[NR_CPUS];
unsigned int local_irq_count[NR_CPUS];
static unsigned int startup_irq(unsigned int irq);
static void rb500_end_irq(unsigned int irq_nr);
static void mask_and_ack_irq(unsigned int irq_nr);
static void rb500_enable_irq(unsigned int irq_nr);
static void rb500_disable_irq(unsigned int irq_nr);
extern void __init init_generic_irq(void);
typedef struct {
u32 mask; /* mask of valid bits in pending/mask registers */
volatile u32 *base_addr;
} intr_group_t;
#define RC32434_NR_IRQS (GROUP4_IRQ_BASE + 32)
#if (NR_IRQS < RC32434_NR_IRQS)
#error Too little irqs defined. Did you override <asm/irq.h> ?
#endif
static const intr_group_t intr_group[NUM_INTR_GROUPS] = {
{ 0x0000efff, (u32 *)KSEG1ADDR(IC_GROUP0_PEND + 0 * IC_GROUP_OFFSET) },
{ 0x00001fff, (u32 *)KSEG1ADDR(IC_GROUP0_PEND + 1 * IC_GROUP_OFFSET) },
{ 0x00000007, (u32 *)KSEG1ADDR(IC_GROUP0_PEND + 2 * IC_GROUP_OFFSET) },
{ 0x0003ffff, (u32 *)KSEG1ADDR(IC_GROUP0_PEND + 3 * IC_GROUP_OFFSET) },
{ 0xffffffff, (u32 *)KSEG1ADDR(IC_GROUP0_PEND + 4 * IC_GROUP_OFFSET) }
};
#define READ_PEND(base) (*(base))
#define READ_MASK(base) (*(base + 2))
#define WRITE_MASK(base, val) (*(base + 2) = (val))
static inline int irq_to_group(unsigned int irq_nr)
{
return ((irq_nr - GROUP0_IRQ_BASE) >> 5);
}
static inline int group_to_ip(unsigned int group)
{
return group + 2;
}
static inline void enable_local_irq(unsigned int ip)
{
int ipnum = 0x100 << ip;
clear_c0_cause(ipnum);
set_c0_status(ipnum);
}
static inline void disable_local_irq(unsigned int ip)
{
int ipnum = 0x100 << ip;
clear_c0_status(ipnum);
}
static inline void ack_local_irq(unsigned int ip)
{
int ipnum = 0x100 << ip;
clear_c0_cause(ipnum);
}
static void rb500_enable_irq(unsigned int irq_nr)
{
int ip = irq_nr - GROUP0_IRQ_BASE;
unsigned int group, intr_bit;
volatile unsigned int *addr;
if (ip < 0)
enable_local_irq(irq_nr);
else {
group = ip >> 5;
ip &= (1<<5)-1;
intr_bit = 1 << ip;
enable_local_irq(group_to_ip(group));
addr = intr_group[group].base_addr;
WRITE_MASK(addr, READ_MASK(addr) & ~intr_bit);
}
}
static void rb500_disable_irq(unsigned int irq_nr)
{
int ip = irq_nr - GROUP0_IRQ_BASE;
unsigned int group, intr_bit, mask;
volatile unsigned int *addr;
if (ip < 0) {
disable_local_irq(irq_nr);
}else{
group = ip >> 5;
ip &= (1<<5) -1;
intr_bit = 1 << ip;
addr = intr_group[group].base_addr;
mask = READ_MASK(addr);
mask |= intr_bit;
WRITE_MASK(addr,mask);
/*
* if there are no more interrupts enabled in this
* group, disable corresponding IP
*/
if (mask == intr_group[group].mask)
disable_local_irq(group_to_ip(group));
}
}
static unsigned int startup_irq(unsigned int irq_nr)
{
rb500_enable_irq(irq_nr);
return 0;
}
static void shutdown_irq(unsigned int irq_nr)
{
rb500_disable_irq(irq_nr);
return;
}
static void mask_and_ack_irq(unsigned int irq_nr)
{
rb500_disable_irq(irq_nr);
ack_local_irq(group_to_ip(irq_to_group(irq_nr)));
}
static void rb500_end_irq(unsigned int irq_nr)
{
int ip = irq_nr - GROUP0_IRQ_BASE;
unsigned int intr_bit, group;
volatile unsigned int *addr;
if ((irq_desc[irq_nr].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
printk("warning: end_irq %d did not enable (%x)\n",
irq_nr, irq_desc[irq_nr].status);
return;
}
if (ip < 0) {
enable_local_irq(irq_nr);
} else {
group = ip >> 5;
ip &= (1 << 5) - 1;
intr_bit = 1 << ip;
if (irq_nr >= GROUP4_IRQ_BASE && irq_nr <= (GROUP4_IRQ_BASE + 13)) {
gpio->gpioistat = gpio->gpioistat & ~intr_bit;
}
enable_local_irq(group_to_ip(group));
addr = intr_group[group].base_addr;
WRITE_MASK(addr, READ_MASK(addr) & ~intr_bit);
}
}
static struct hw_interrupt_type rc32434_irq_type = {
.typename = "RB500",
.startup = startup_irq,
.shutdown = shutdown_irq,
.enable = rb500_enable_irq,
.disable = rb500_disable_irq,
.ack = mask_and_ack_irq,
.end = rb500_end_irq,
};
void __init arch_init_irq(void)
{
int i;
printk("Initializing IRQ's: %d out of %d\n", RC32434_NR_IRQS, NR_IRQS);
memset(irq_desc, 0, sizeof(irq_desc));
for (i = 0; i < RC32434_NR_IRQS; i++) {
irq_desc[i].status = IRQ_DISABLED;
irq_desc[i].action = NULL;
irq_desc[i].depth = 1;
irq_desc[i].chip = &rc32434_irq_type;
spin_lock_init(&irq_desc[i].lock);
}
}
/* Main Interrupt dispatcher */
asmlinkage void plat_irq_dispatch(void)
{
unsigned int ip, pend, group;
volatile unsigned int *addr;
unsigned int cp0_cause = read_c0_cause() & read_c0_status();
if (cp0_cause & CAUSEF_IP7) {
ll_timer_interrupt(7);
} else if ((ip = (cp0_cause & 0x7c00))) {
group = 21 - rc32434_clz(ip);
addr = intr_group[group].base_addr;
pend = READ_PEND(addr);
pend &= ~READ_MASK(addr); // only unmasked interrupts
pend = 39 - rc32434_clz(pend);
do_IRQ((group << 5) + pend);
}
}

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#include <linux/module.h>
#include <linux/kernel.h> /* printk() */
#include <linux/types.h> /* size_t */
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <asm/rc32434/rb.h>
#define GPIO_BADDR 0xb8050000
static volatile unsigned char *devCtl3Base = 0;
static unsigned char latchU5State = 0;
static spinlock_t clu5Lock = SPIN_LOCK_UNLOCKED;
void set434Reg(unsigned regOffs, unsigned bit, unsigned len, unsigned val) {
unsigned flags, data;
unsigned i = 0;
spin_lock_irqsave(&clu5Lock, flags);
data = *(volatile unsigned *) (IDT434_REG_BASE + regOffs);
for (i = 0; i != len; ++i) {
if (val & (1 << i)) data |= (1 << (i + bit));
else data &= ~(1 << (i + bit));
}
*(volatile unsigned *) (IDT434_REG_BASE + regOffs) = data;
spin_unlock_irqrestore(&clu5Lock, flags);
}
void changeLatchU5(unsigned char orMask, unsigned char nandMask) {
unsigned flags;
spin_lock_irqsave(&clu5Lock, flags);
latchU5State = (latchU5State | orMask) & ~nandMask;
if( !devCtl3Base) devCtl3Base = (volatile unsigned char *)
KSEG1ADDR(*(volatile unsigned *) KSEG1ADDR(0x18010030));
*devCtl3Base = latchU5State;
spin_unlock_irqrestore(&clu5Lock, flags);
}
u32 gpio_get(gpio_func func)
{
return readl((void *) GPIO_BADDR + func);
}
void gpio_set(gpio_func func, u32 mask, u32 value)
{
u32 val = readl((void *) GPIO_BADDR + func);
val &= ~mask;
val |= value & mask;
writel(val, (void *) GPIO_BADDR + func);
}
EXPORT_SYMBOL(gpio_set);
EXPORT_SYMBOL(gpio_get);
EXPORT_SYMBOL(set434Reg);
EXPORT_SYMBOL(changeLatchU5);

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/*
* prom.c
**********************************************************************
* P . Sadik Oct 10, 2003
*
* Started change log
* idt_cpu_freq is make a kernel configuration parameter
* idt_cpu_freq is exported so that other modules can use it.
* Code cleanup
**********************************************************************
* P. Sadik Oct 20, 2003
*
* Removed NVRAM code from here, since they are already available under
* nvram directory.
* Added serial port initialisation.
**********************************************************************
**********************************************************************
* P. Sadik Oct 30, 2003
*
* Added reset_cons_port
**********************************************************************
P.Christeas, 2005-2006
Port to 2.6, add 2.6 cmdline parsing
*/
#include <linux/autoconf.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/console.h>
#include <asm/bootinfo.h>
#include <linux/bootmem.h>
#include <linux/ioport.h>
#include <linux/blkdev.h>
#include <asm/rc32434/ddr.h>
#define PROM_ENTRY(x) (0xbfc00000+((x)*8))
extern void __init setup_serial_port(void);
unsigned int idt_cpu_freq = 132000000;
EXPORT_SYMBOL(idt_cpu_freq);
unsigned int board_type = 500;
EXPORT_SYMBOL(board_type);
unsigned int gpio_bootup_state = 0;
EXPORT_SYMBOL(gpio_bootup_state);
char mips_mac_address[18] = "08:00:06:05:40:01";
EXPORT_SYMBOL(mips_mac_address);
/* what to append to cmdline when button is [not] pressed */
#define GPIO_INIT_NOBUTTON ""
#define GPIO_INIT_BUTTON " 2"
#ifdef CONFIG_MIKROTIK_RB500
unsigned soft_reboot = 0;
EXPORT_SYMBOL(soft_reboot);
#endif
#define SR_NMI 0x00180000 /* NMI */
#define SERIAL_SPEED_ENTRY 0x00000001
#ifdef CONFIG_REMOTE_DEBUG
extern int remote_debug;
#endif
extern unsigned long mips_machgroup;
extern unsigned long mips_machtype;
#define FREQ_TAG "HZ="
#define GPIO_TAG "gpio="
#define KMAC_TAG "kmac="
#define MEM_TAG "mem="
#define BOARD_TAG "board="
#define IGNORE_CMDLINE_MEM 1
#define DEBUG_DDR
void parse_soft_settings(unsigned *ptr, unsigned size);
void parse_hard_settings(unsigned *ptr, unsigned size);
void __init prom_setup_cmdline(void);
void __init prom_init(void)
{
DDR_t ddr = (DDR_t) DDR_VirtualAddress; /* define the pointer to the DDR registers */
phys_t memsize = 0-ddr->ddrmask;
/* this should be the very first message, even before serial is properly initialized */
prom_setup_cmdline();
setup_serial_port();
mips_machgroup = MACH_GROUP_MIKROTIK;
soft_reboot = read_c0_status() & SR_NMI;
pm_power_off = NULL;
/*
* give all RAM to boot allocator,
* except for the first 0x400 and the last 0x200 bytes
*/
add_memory_region(ddr->ddrbase + 0x400, memsize - 0x600, BOOT_MEM_RAM);
}
void prom_free_prom_memory(void)
{
/* FIXME: STUB */
}
extern char _image_cmdline;
void __init prom_setup_cmdline(void){
char cmd_line[CL_SIZE];
char *cp;
int prom_argc;
char **prom_argv, **prom_envp;
int i;
prom_argc = fw_arg0;
prom_argv = (char **) fw_arg1;
prom_envp = (char **) fw_arg2;
cp=cmd_line;
/* Note: it is common that parameters start at argv[1] and not argv[0],
however, our elf loader starts at [0] */
for(i=0;i<prom_argc;i++){
if (strncmp(prom_argv[i], FREQ_TAG, sizeof(FREQ_TAG) - 1) == 0) {
idt_cpu_freq = simple_strtoul(prom_argv[i] + sizeof(FREQ_TAG) - 1, 0, 10);
continue;
}
#ifdef IGNORE_CMDLINE_MEM
/* parses out the "mem=xx" arg */
if (strncmp(prom_argv[i], MEM_TAG, sizeof(MEM_TAG) - 1) == 0) {
continue;
}
#endif
if (i>0) *(cp++) = ' ';
if (strncmp(prom_argv[i], BOARD_TAG, sizeof(BOARD_TAG) - 1) == 0) {
board_type = simple_strtoul(prom_argv[i] + sizeof(BOARD_TAG) - 1, 0, 10);
}
if (strncmp(prom_argv[i], GPIO_TAG, sizeof(GPIO_TAG) - 1) == 0) {
gpio_bootup_state = simple_strtoul(prom_argv[i] + sizeof(GPIO_TAG) - 1, 0, 10);
}
strcpy(cp,prom_argv[i]);
cp+=strlen(prom_argv[i]);
}
*(cp++) = ' ';
strcpy(cp,(&_image_cmdline + 8));
cp += strlen(&_image_cmdline);
i=strlen(arcs_cmdline);
if (i>0){
*(cp++) = ' ';
strcpy(cp,arcs_cmdline);
cp+=strlen(arcs_cmdline);
}
if (gpio_bootup_state&0x02)
strcpy(cp,GPIO_INIT_NOBUTTON);
else
strcpy(cp,GPIO_INIT_BUTTON);
cmd_line[CL_SIZE-1] = '\0';
strcpy(arcs_cmdline,cmd_line);
}

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/*
* prom.c
**********************************************************************
* P . Sadik Oct 10, 2003
*
* Started change log
* idt_cpu_freq is make a kernel configuration parameter
* idt_cpu_freq is exported so that other modules can use it.
* Code cleanup
**********************************************************************
* P. Sadik Oct 20, 2003
*
* Removed NVRAM code from here, since they are already available under
* nvram directory.
* Added serial port initialisation.
**********************************************************************
**********************************************************************
* P. Sadik Oct 30, 2003
*
* Added reset_cons_port
**********************************************************************
P.Christeas, 2005-2006
Port to 2.6, add 2.6 cmdline parsing
*/
#include <linux/autoconf.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/console.h>
#include <asm/bootinfo.h>
#include <linux/bootmem.h>
#include <linux/ioport.h>
#include <linux/blkdev.h>
#include <asm/rc32434/ddr.h>
#define PROM_ENTRY(x) (0xbfc00000+((x)*8))
extern void __init setup_serial_port(void);
unsigned int idt_cpu_freq = 132000000;
EXPORT_SYMBOL(idt_cpu_freq);
unsigned int board_type = 500;
EXPORT_SYMBOL(board_type);
unsigned int gpio_bootup_state = 0;
EXPORT_SYMBOL(gpio_bootup_state);
char mips_mac_address[18] = "08:00:06:05:40:01";
EXPORT_SYMBOL(mips_mac_address);
/* what to append to cmdline when button is [not] pressed */
#define GPIO_INIT_NOBUTTON ""
#define GPIO_INIT_BUTTON " 2"
#ifdef CONFIG_MIKROTIK_RB500
unsigned soft_reboot = 0;
EXPORT_SYMBOL(soft_reboot);
#endif
#define SR_NMI 0x00180000 /* NMI */
#define SERIAL_SPEED_ENTRY 0x00000001
#ifdef CONFIG_REMOTE_DEBUG
extern int remote_debug;
#endif
extern unsigned long mips_machgroup;
extern unsigned long mips_machtype;
#define FREQ_TAG "HZ="
#define GPIO_TAG "gpio="
#define KMAC_TAG "kmac="
#define MEM_TAG "mem="
#define BOARD_TAG "board="
#define IGNORE_CMDLINE_MEM 1
#define DEBUG_DDR
void parse_soft_settings(unsigned *ptr, unsigned size);
void parse_hard_settings(unsigned *ptr, unsigned size);
void __init prom_setup_cmdline(void);
void __init prom_init(void)
{
DDR_t ddr = (DDR_t) DDR_VirtualAddress; /* define the pointer to the DDR registers */
phys_t memsize = 0-ddr->ddrmask;
/* this should be the very first message, even before serial is properly initialized */
prom_setup_cmdline();
setup_serial_port();
mips_machgroup = MACH_GROUP_MIKROTIK;
soft_reboot = read_c0_status() & SR_NMI;
pm_power_off = NULL;
/*
* give all RAM to boot allocator,
* except for the first 0x400 and the last 0x200 bytes
*/
add_memory_region(ddr->ddrbase + 0x400, memsize - 0x600, BOOT_MEM_RAM);
}
void prom_free_prom_memory(void)
{
/* FIXME: STUB */
}
void __init prom_setup_cmdline(void){
char cmd_line[CL_SIZE];
char *cp;
int prom_argc;
char **prom_argv, **prom_envp;
int i;
prom_argc = fw_arg0;
prom_argv = (char **) fw_arg1;
prom_envp = (char **) fw_arg2;
cp=cmd_line;
/* Note: it is common that parameters start at argv[1] and not argv[0],
however, our elf loader starts at [0] */
for(i=0;i<prom_argc;i++){
if (strncmp(prom_argv[i], FREQ_TAG, sizeof(FREQ_TAG) - 1) == 0) {
idt_cpu_freq = simple_strtoul(prom_argv[i] + sizeof(FREQ_TAG) - 1, 0, 10);
continue;
}
#ifdef IGNORE_CMDLINE_MEM
/* parses out the "mem=xx" arg */
if (strncmp(prom_argv[i], MEM_TAG, sizeof(MEM_TAG) - 1) == 0) {
continue;
}
#endif
if (i>0) *(cp++) = ' ';
if (strncmp(prom_argv[i], BOARD_TAG, sizeof(BOARD_TAG) - 1) == 0) {
board_type = simple_strtoul(prom_argv[i] + sizeof(BOARD_TAG) - 1, 0, 10);
}
if (strncmp(prom_argv[i], GPIO_TAG, sizeof(GPIO_TAG) - 1) == 0) {
gpio_bootup_state = simple_strtoul(prom_argv[i] + sizeof(GPIO_TAG) - 1, 0, 10);
}
strcpy(cp,prom_argv[i]);
cp+=strlen(prom_argv[i]);
}
i=strlen(arcs_cmdline);
if (i>0){
*(cp++) = ' ';
strcpy(cp,arcs_cmdline);
cp+=strlen(arcs_cmdline);
}
if (gpio_bootup_state&0x02)
strcpy(cp,GPIO_INIT_NOBUTTON);
else
strcpy(cp,GPIO_INIT_BUTTON);
cmd_line[CL_SIZE-1] = '\0';
strcpy(arcs_cmdline,cmd_line);
}

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/**************************************************************************
*
* BRIEF MODULE DESCRIPTION
* Serial port initialisation.
*
* Copyright 2004 IDT Inc. (rischelp@idt.com)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
**************************************************************************
* May 2004 rkt, neb
*
* Initial Release
*
*
*
**************************************************************************
*/
#include <linux/autoconf.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/tty.h>
#include <linux/serial.h>
#include <linux/serial_core.h>
#include <asm/time.h>
#include <asm/cpu.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
#include <asm/serial.h>
#include <asm/rc32434/rc32434.h>
extern unsigned int idt_cpu_freq;
static struct uart_port serial_req = {
.type = PORT_16550A,
.line = 0,
.irq = RC32434_UART0_IRQ,
.flags = STD_COM_FLAGS,
.iotype = UPIO_MEM,
.membase = (char *) KSEG1ADDR(RC32434_UART0_BASE),
// .fifosize = 14
.regshift = 2
};
int __init setup_serial_port(void)
{
serial_req.uartclk = idt_cpu_freq;
if (early_serial_setup(&serial_req))
return -ENODEV;
return(0);
}

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/*
* setup.c - boot time setup code
*/
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/irq.h>
#include <linux/ioport.h>
#include <linux/pm.h>
#include <asm/bootinfo.h>
#include <asm/mipsregs.h>
#include <asm/pgtable.h>
#include <asm/reboot.h>
#include <asm/addrspace.h> /* for KSEG1ADDR() */
#include <asm/time.h>
#include <asm/io.h>
#include <asm/rc32434/rc32434.h>
#include <asm/rc32434/pci.h>
#ifdef CONFIG_PCI
extern void *rc32434_time_init(void);
extern int __init rc32434_pcibridge_init(void);
#endif
#define epldMask ((volatile unsigned char *)0xB900000d)
static void rb_machine_restart(char *command)
{
/* just jump to the reset vector */
* (volatile unsigned *) KSEG1ADDR(0x18008000) = 0x80000001;
((void (*)(void))KSEG1ADDR(0x1FC00000u))();
}
static void rb_machine_halt(void)
{
for(;;) continue;
}
#ifdef CONFIG_CPU_HAS_WB
void (*__wbflush) (void);
static void rb_write_buffer_flush(void)
{
__asm__ __volatile__
("sync\n\t" "nop\n\t" "loop: bc0f loop\n\t" "nop\n\t");
}
#endif
void __init plat_mem_setup(void)
{
unsigned int pciCntlVal;
board_time_init = rc32434_time_init;
#ifdef CONFIG_CPU_HAS_WB
__wbflush = rb_write_buffer_flush;
#endif
_machine_restart = rb_machine_restart;
_machine_halt = rb_machine_halt;
/*_machine_power_off = rb_machine_power_halt;*/
pm_power_off = rb_machine_halt;
set_io_port_base(KSEG1);
pciCntlVal=rc32434_pci->pcic;
pciCntlVal &= 0xFFFFFF7;
rc32434_pci->pcic = pciCntlVal;
#ifdef CONFIG_PCI
/* Enable PCI interrupts in EPLD Mask register */
*epldMask = 0x0;
*(epldMask + 1) = 0x0;
#endif
write_c0_wired(0);
}
const char *get_system_type(void)
{
return "MIPS RB500";
}

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target/linux/rb532-2.6/files/arch/mips/rb500/time.c Normal file
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/*
****************************************************************************
* Carsten Langgaard, carstenl@mips.com
* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
*
***************************************************************************
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
****************************************************************************
*
* Setting up the clock on the MIPS boards.
*
****************************************************************************
* P. Sadik Oct 10, 2003
*
* Started change log.
* mips_counter_frequency is now calculated at run time, based on idt_cpu_freq.
* Code cleanup
****************************************************************************
*/
#include <linux/autoconf.h>
#include <linux/init.h>
#include <linux/kernel_stat.h>
#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/mc146818rtc.h>
#include <linux/irq.h>
#include <linux/timex.h>
#include <asm/mipsregs.h>
#include <asm/ptrace.h>
#include <asm/debug.h>
#include <asm/rc32434/rc32434.h>
static unsigned long r4k_offset; /* Amount to incr compare reg each time */
static unsigned long r4k_cur; /* What counter should be at next timer irq */
extern unsigned int mips_hpt_frequency;
extern unsigned int idt_cpu_freq;
/*
* Figure out the r4k offset, the amount to increment the compare
* register for each time tick. There is no RTC available.
*
* The RC32434 counts at half the CPU *core* speed.
*/
static unsigned long __init cal_r4koff(void)
{
mips_hpt_frequency = idt_cpu_freq * IDT_CLOCK_MULT / 2;
return (mips_hpt_frequency / HZ);
}
void __init rc32434_time_init(void)
{
unsigned int est_freq, flags;
local_irq_save(flags);
printk("calculating r4koff... ");
r4k_offset = cal_r4koff();
printk("%08lx(%d)\n", r4k_offset, (int) r4k_offset);
est_freq = 2*r4k_offset*HZ;
est_freq += 5000; /* round */
est_freq -= est_freq%10000;
printk("CPU frequency %d.%02d MHz\n", est_freq/1000000,
(est_freq%1000000)*100/1000000);
local_irq_restore(flags);
}
void __init plat_timer_setup(struct irqaction *irq)
{
/* we are using the cpu counter for timer interrupts */
setup_irq(MIPS_CPU_TIMER_IRQ, irq);
/* to generate the first timer interrupt */
r4k_cur = (read_c0_count() + r4k_offset);
write_c0_compare(r4k_cur);
}

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## Makefile for the RB532 CF port
obj-y += bdev.o ata.o

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/* CF-mips driver
This is a block driver for the direct (mmaped) interface to the CF-slot,
found in Routerboard.com's RB532 board
See SDK provided from routerboard.com.
Module adapted By P.Christeas <p_christeas@yahoo.com>, 2005-6.
Cleaned up and adapted to platform_device by Felix Fietkau <nbd@openwrt.org>
This work is redistributed under the terms of the GNU General Public License.
*/
#include <linux/kernel.h> /* printk() */
#include <linux/module.h> /* module to be loadable */
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/pci.h>
#include <linux/ioport.h> /* request_mem_region() */
#include <asm/unaligned.h> /* ioremap() */
#include <asm/io.h> /* ioremap() */
#include <asm/rc32434/rb.h>
#include "ata.h"
#define REQUEST_MEM_REGION 0
#define DEBUG 1
#if DEBUG
#define DEBUGP printk
#else
#define DEBUGP(format, args...)
#endif
#define SECS 1000000 /* unit for wait_not_busy() is 1us */
unsigned cf_head = 0;
unsigned cf_cyl = 0;
unsigned cf_spt = 0;
unsigned cf_sectors = 0;
static unsigned cf_block_size = 1;
static void *baddr = 0;
#define DBUF32 ((volatile u32 *)((unsigned long)dev->baddr | ATA_DBUF_OFFSET))
static void cf_do_tasklet(unsigned long dev_l);
static inline void wareg(u8 val, unsigned reg, struct cf_mips_dev* dev)
{
writeb(val, dev->baddr + ATA_REG_OFFSET + reg);
}
static inline u8 rareg(unsigned reg, struct cf_mips_dev* dev)
{
return readb(dev->baddr + ATA_REG_OFFSET + reg);
}
static inline int get_gpio_bit(gpio_func ofs, struct cf_mips_dev *dev)
{
return (gpio_get(ofs) >> dev->pin) & 1;
}
static inline void set_gpio_bit(int bit, gpio_func ofs, struct cf_mips_dev *dev)
{
gpio_set(ofs, (1 << dev->pin), ((bit & 1) << dev->pin));
}
static inline int cfrdy(struct cf_mips_dev *dev)
{
return get_gpio_bit(DATA, dev);
}
static inline void prepare_cf_irq(struct cf_mips_dev *dev)
{
set_gpio_bit(1, ILEVEL, dev); /* interrupt on cf ready (not busy) */
set_gpio_bit(0, ISTAT, dev); /* clear interrupt status */
}
static inline int cf_present(struct cf_mips_dev* dev)
{
/* TODO: read and configure CIS into memory mapped mode
* TODO: parse CISTPL_CONFIG on CF+ cards to get base address (0x200)
* TODO: maybe adjust power saving setting for Hitachi Microdrive
*/
int i;
/* setup CFRDY GPIO as input */
set_gpio_bit(0, FUNC, dev);
set_gpio_bit(0, CFG, dev);
for (i = 0; i < 0x10; ++i) {
if (rareg(i,dev) != 0xff)
return 1;
}
return 0;
}
static inline int is_busy(struct cf_mips_dev *dev)
{
return !cfrdy(dev);
}
static int wait_not_busy(int to_us, int wait_for_busy,struct cf_mips_dev *dev)
{
int us_passed = 0;
if (wait_for_busy && !is_busy(dev)) {
/* busy must appear within 400ns,
* but it may dissapear before we see it
* => must not wait for busy in a loop
*/
ndelay(400);
}
do {
if (us_passed)
udelay(1); /* never reached in async mode */
if (!is_busy(dev)) {
if (us_passed > 1 * SECS) {
printk(KERN_WARNING "cf-mips: not busy ok (after %dus)"
", status 0x%02x\n", us_passed, (unsigned) rareg(ATA_REG_ST,dev));
}
return CF_TRANS_OK;
}
if (us_passed == 1 * SECS) {
printk(KERN_WARNING "cf-mips: wait not busy %dus..\n", to_us);
}
if (dev->async_mode) {
dev->to_timer.expires = jiffies + (to_us * HZ / SECS);
dev->irq_enable_time = jiffies;
prepare_cf_irq(dev);
if (is_busy(dev)) {
add_timer(&dev->to_timer);
enable_irq(dev->irq);
return CF_TRANS_IN_PROGRESS;
}
continue;
}
++us_passed;
} while (us_passed < to_us);
printk(KERN_ERR "cf-mips: wait not busy timeout (%dus)"
", status 0x%02x, state %d\n",
to_us, (unsigned) rareg(ATA_REG_ST,dev), dev->tstate);
return CF_TRANS_FAILED;
}
static irqreturn_t cf_irq_handler(int irq, void *dev_id)
{
/* While tasklet has not disabled irq, irq will be retried all the time
* because of ILEVEL matching GPIO pin status => deadlock.
* To avoid this, we change ILEVEL to 0.
*/
struct cf_mips_dev *dev=dev_id;
set_gpio_bit(0, ILEVEL, dev);
set_gpio_bit(0, ISTAT, dev);
del_timer(&dev->to_timer);
tasklet_schedule(&dev->tasklet);
return IRQ_HANDLED;
}
static int do_reset(struct cf_mips_dev *dev)
{
printk(KERN_INFO "cf-mips: resetting..\n");
wareg(ATA_REG_DC_SRST, ATA_REG_DC,dev);
udelay(1); /* FIXME: how long should we wait here? */
wareg(0, ATA_REG_DC,dev);
return wait_not_busy(30 * SECS, 1,dev);
}
static int set_multiple(struct cf_mips_dev *dev)
{
if (dev->block_size <= 1)
return CF_TRANS_OK;
wareg(dev->block_size, ATA_REG_SC,dev);
wareg(ATA_REG_DH_BASE | ATA_REG_DH_LBA, ATA_REG_DH,dev);
wareg(ATA_CMD_SET_MULTIPLE, ATA_REG_CMD,dev);
return wait_not_busy(10 * SECS, 1,dev);
}
static int set_cmd(struct cf_mips_dev *dev)
{
//DEBUGP(KERN_INFO "cf-mips: ata cmd 0x%02x\n", dev->tcmd);
// sector_count should be <=24 bits..
BUG_ON(dev->tsect_start>=0x10000000);
// This way, it addresses 2^24 * 512 = 128G
if (dev->tsector_count) {
wareg(dev->tsector_count & 0xff, ATA_REG_SC,dev);
wareg(dev->tsect_start & 0xff, ATA_REG_SN,dev);
wareg((dev->tsect_start >> 8) & 0xff, ATA_REG_CL,dev);
wareg((dev->tsect_start >> 16) & 0xff, ATA_REG_CH,dev);
}
wareg(((dev->tsect_start >> 24) & 0x0f) | ATA_REG_DH_BASE | ATA_REG_DH_LBA,
ATA_REG_DH,dev); /* select drive on all commands */
wareg(dev->tcmd, ATA_REG_CMD,dev);
return wait_not_busy(10 * SECS, 1,dev);
}
static int do_trans(struct cf_mips_dev *dev)
{
int res;
unsigned st;
int transfered;
//printk("do_trans: %d sectors left\n",dev->tsectors_left);
while (dev->tsectors_left) {
transfered = 0;
st = rareg(ATA_REG_ST,dev);
if (!(st & ATA_REG_ST_DRQ)) {
printk(KERN_ERR "cf-mips: do_trans without DRQ (status 0x%x)!\n", st);
if (st & ATA_REG_ST_ERR) {
int errId = rareg(ATA_REG_ERR,dev);
printk(KERN_ERR "cf-mips: %s error, status 0x%x, errid 0x%x\n",
(dev->tread ? "read" : "write"), st, errId);
}
return CF_TRANS_FAILED;
}
do { /* Fill/read the buffer one block */
u32 *qbuf, *qend;
qbuf = (u32 *)dev->tbuf;
qend = qbuf + CF_SECT_SIZE / sizeof(u32);
if (dev->tread) {
while (qbuf!=qend)
put_unaligned(*DBUF32,qbuf++);
//*(qbuf++) = *DBUF32;
}
else {
while(qbuf!=qend)
*DBUF32 = get_unaligned(qbuf++);
}
dev->tsectors_left--;
dev->tbuf += CF_SECT_SIZE;
dev->tbuf_size -= CF_SECT_SIZE;
transfered++;
} while (transfered != dev->block_size && dev->tsectors_left > 0);
res = wait_not_busy(10 * SECS, 1,dev);
if (res != CF_TRANS_OK)
return res;
};
st = rareg(ATA_REG_ST,dev);
if (st & (ATA_REG_ST_DRQ | ATA_REG_ST_DWF | ATA_REG_ST_ERR)) {
if (st & ATA_REG_ST_DRQ) {
printk(KERN_ERR "cf-mips: DRQ after all %d sectors are %s"
", status 0x%x\n", dev->tsector_count, (dev->tread ? "read" : "written"), st);
} else if (st & ATA_REG_ST_DWF) {
printk(KERN_ERR "cf-mips: write fault, status 0x%x\n", st);
} else {
int errId = rareg(ATA_REG_ERR,dev);
printk(KERN_ERR "cf-mips: %s error, status 0x%x, errid 0x%x\n",
(dev->tread ? "read" : "write"), st, errId);
}
return CF_TRANS_FAILED;
}
return CF_TRANS_OK;
}
static int cf_do_state(struct cf_mips_dev *dev)
{
int res;
switch (dev->tstate) { /* fall through everywhere */
case TS_IDLE:
dev->tstate = TS_READY;
if (is_busy(dev)) {
dev->tstate = TS_AFTER_RESET;
res = do_reset(dev);
if (res != CF_TRANS_OK)
break;
}
case TS_AFTER_RESET:
if (dev->tstate == TS_AFTER_RESET) {
dev->tstate = TS_READY;
res = set_multiple(dev);
if (res != CF_TRANS_OK)
break;
}
case TS_READY:
dev->tstate = TS_CMD;
res = set_cmd(dev);
if (res != CF_TRANS_OK)
break;;
case TS_CMD:
dev->tstate = TS_TRANS;
case TS_TRANS:
res = do_trans(dev);
break;
default:
printk(KERN_ERR "cf-mips: BUG: unknown tstate %d\n", dev->tstate);
return CF_TRANS_FAILED;
}
if (res != CF_TRANS_IN_PROGRESS)
dev->tstate = TS_IDLE;
return res;
}
static void cf_do_tasklet(unsigned long dev_l)
{
struct cf_mips_dev* dev=(struct cf_mips_dev*) dev_l;
int res;
disable_irq(dev->irq);
if (dev->tstate == TS_IDLE)
return; /* can happen when irq is first registered */
#if 0
DEBUGP(KERN_WARNING "cf-mips: not busy ok (tasklet) status 0x%02x\n",
(unsigned) rareg(ATA_REG_ST,dev));
#endif
res = cf_do_state(dev);
if (res == CF_TRANS_IN_PROGRESS)
return;
cf_async_trans_done(dev,res);
}
static void cf_async_timeout(unsigned long dev_l)
{
struct cf_mips_dev* dev=(struct cf_mips_dev*) dev_l;
disable_irq(dev->irq);
/* Perhaps send abort to the device? */
printk(KERN_ERR "cf-mips: wait not busy timeout (%lus)"
", status 0x%02x, state %d\n",
jiffies - dev->irq_enable_time, (unsigned) rareg(ATA_REG_ST,dev), dev->tstate);
dev->tstate = TS_IDLE;
cf_async_trans_done(dev,CF_TRANS_FAILED);
}
int cf_do_transfer(struct cf_mips_dev* dev,sector_t sector, unsigned long nsect,
char* buffer, int is_write)
{
BUG_ON(dev->tstate!=TS_IDLE);
if (nsect > ATA_MAX_SECT_PER_CMD) {
printk(KERN_WARNING "cf-mips: sector count %lu out of range\n",nsect);
return CF_TRANS_FAILED;
}
if (sector + nsect > dev->sectors) {
printk(KERN_WARNING "cf-mips: sector %lu out of range\n",sector);
return CF_TRANS_FAILED;
}
dev->tbuf = buffer;
dev->tbuf_size = nsect*512;
dev->tsect_start = sector;
dev->tsector_count = nsect;
dev->tsectors_left = dev->tsector_count;
dev->tread = (is_write)?0:1;
dev->tcmd = (dev->block_size == 1 ?
(is_write ? ATA_CMD_WRITE_SECTORS : ATA_CMD_READ_SECTORS) :
(is_write ? ATA_CMD_WRITE_MULTIPLE : ATA_CMD_READ_MULTIPLE));
return cf_do_state(dev);
}
static int do_identify(struct cf_mips_dev *dev)
{
u16 sbuf[CF_SECT_SIZE >> 1];
int res;
char tstr[17]; //serial
BUG_ON(dev->tstate!=TS_IDLE);
dev->tbuf = (char *) sbuf;
dev->tbuf_size = CF_SECT_SIZE;
dev->tsect_start = 0;
dev->tsector_count = 0;
dev->tsectors_left = 1;
dev->tread = 1;
dev->tcmd = ATA_CMD_IDENTIFY_DRIVE;
DEBUGP(KERN_INFO "cf-mips: identify drive..\n");
res = cf_do_state(dev);
if (res == CF_TRANS_IN_PROGRESS) {
printk(KERN_ERR "cf-mips: BUG: async identify cmd\n");
return CF_TRANS_FAILED;
}
if (res != CF_TRANS_OK)
return 0;
dev->head = sbuf[3];
dev->cyl = sbuf[1];
dev->spt = sbuf[6];
dev->sectors = ((unsigned long) sbuf[7] << 16) | sbuf[8];
dev->dtype=sbuf[0];
memcpy(tstr,&sbuf[12],16);
tstr[16]=0;
printk(KERN_INFO "cf-mips: %s detected, C/H/S=%d/%d/%d sectors=%u (%uMB) Serial=%s\n",
(sbuf[0] == 0x848A ? "CF card" : "ATA drive"), dev->cyl, dev->head,
dev->spt, dev->sectors, dev->sectors >> 11,tstr);
return 1;
}
static void init_multiple(struct cf_mips_dev * dev)
{
int res;
DEBUGP(KERN_INFO "cf-mips: detecting block size\n");
dev->block_size = 128; /* max block size = 128 sectors (64KB) */
do {
wareg(dev->block_size, ATA_REG_SC,dev);
wareg(ATA_REG_DH_BASE | ATA_REG_DH_LBA, ATA_REG_DH,dev);
wareg(ATA_CMD_SET_MULTIPLE, ATA_REG_CMD,dev);
res = wait_not_busy(10 * SECS, 1,dev);
if (res != CF_TRANS_OK) {
printk(KERN_ERR "cf-mips: failed to detect block size: busy!\n");
dev->block_size = 1;
return;
}
if ((rareg(ATA_REG_ST,dev) & ATA_REG_ST_ERR) == 0)
break;
dev->block_size /= 2;
} while (dev->block_size > 1);
printk(KERN_INFO "cf-mips: multiple sectors = %d\n", dev->block_size);
}
int cf_init(struct cf_mips_dev *dev)
{
tasklet_init(&dev->tasklet,cf_do_tasklet,(unsigned long)dev);
dev->baddr = ioremap_nocache((unsigned long)dev->base, CFDEV_BUF_SIZE);
if (!dev->baddr) {
printk(KERN_ERR "cf-mips: cf_init: ioremap for (%lx,%x) failed\n",
(unsigned long) dev->base, CFDEV_BUF_SIZE);
return -EBUSY;
}
if (!cf_present(dev)) {
printk(KERN_WARNING "cf-mips: cf card not present\n");
iounmap(dev->baddr);
return -ENODEV;
}
if (do_reset(dev) != CF_TRANS_OK) {
printk(KERN_ERR "cf-mips: cf reset failed\n");
iounmap(dev->baddr);
return -EBUSY;
}
if (!do_identify(dev)) {
printk(KERN_ERR "cf-mips: cf identify failed\n");
iounmap(dev->baddr);
return -EBUSY;
}
/* set_apm_level(ATA_APM_WITH_STANDBY); */
init_multiple(dev);
init_timer(&dev->to_timer);
dev->to_timer.function = cf_async_timeout;
dev->to_timer.data = (unsigned long)dev;
prepare_cf_irq(dev);
if (request_irq(dev->irq, cf_irq_handler, 0, "CF Mips", dev)) {
printk(KERN_ERR "cf-mips: failed to get irq\n");
iounmap(dev->baddr);
return -EBUSY;
}
/* Disable below would be odd, because request will enable, and the tasklet
will disable it itself */
//disable_irq(dev->irq);
dev->async_mode = 1;
return 0;
}
void cf_cleanup(struct cf_mips_dev *dev)
{
iounmap(dev->baddr);
free_irq(dev->irq, NULL);
#if REQUEST_MEM_REGION
release_mem_region((unsigned long)dev->base, CFDEV_BUF_SIZE);
#endif
}
/*eof*/

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/* CF-mips driver
This is a block driver for the direct (mmaped) interface to the CF-slot,
found in Routerboard.com's RB532 board
See SDK provided from routerboard.com.
Module adapted By P.Christeas <p_christeas@yahoo.com>, 2005-6.
Cleaned up and adapted to platform_device by Felix Fietkau <nbd@openwrt.org>
This work is redistributed under the terms of the GNU General Public License.
*/
#ifndef __CFMIPS_ATA_H__
#define __CFMIPS_ATA_H__
#include <linux/interrupt.h>
#define CFG_DC_DEV1 (void*)0xb8010010
#define CFG_DC_DEVBASE 0x0
#define CFG_DC_DEVMASK 0x4
#define CFG_DC_DEVC 0x8
#define CFG_DC_DEVTC 0xC
#define CFDEV_BUF_SIZE 0x1000
#define ATA_CIS_OFFSET 0x200
#define ATA_REG_OFFSET 0x800
#define ATA_DBUF_OFFSET 0xC00
#define ATA_REG_FEAT 0x1
#define ATA_REG_SC 0x2
#define ATA_REG_SN 0x3
#define ATA_REG_CL 0x4
#define ATA_REG_CH 0x5
#define ATA_REG_DH 0x6
#define ATA_REG_DH_BASE 0xa0
#define ATA_REG_DH_LBA 0x40
#define ATA_REG_DH_DRV 0x10
#define ATA_REG_CMD 0x7
#define ATA_REG_ST 0x7
#define ATA_REG_ST_BUSY 0x80
#define ATA_REG_ST_RDY 0x40
#define ATA_REG_ST_DWF 0x20
#define ATA_REG_ST_DSC 0x10
#define ATA_REG_ST_DRQ 0x08
#define ATA_REG_ST_CORR 0x04
#define ATA_REG_ST_ERR 0x01
#define ATA_REG_ERR 0xd
#define ATA_REG_DC 0xe
#define ATA_REG_DC_IEN 0x02
#define ATA_REG_DC_SRST 0x04
#define ATA_CMD_READ_SECTORS 0x20
#define ATA_CMD_WRITE_SECTORS 0x30
#define ATA_CMD_EXEC_DRIVE_DIAG 0x90
#define ATA_CMD_READ_MULTIPLE 0xC4
#define ATA_CMD_WRITE_MULTIPLE 0xC5
#define ATA_CMD_SET_MULTIPLE 0xC6
#define ATA_CMD_IDENTIFY_DRIVE 0xEC
#define ATA_CMD_SET_FEATURES 0xEF
#define ATA_FEATURE_ENABLE_APM 0x05
#define ATA_FEATURE_DISABLE_APM 0x85
#define ATA_APM_DISABLED 0x00
#define ATA_APM_MIN_POWER 0x01
#define ATA_APM_WITH_STANDBY 0x7f
#define ATA_APM_WITHOUT_STANDBY 0x80
#define ATA_APM_MAX_PERFORMANCE 0xfe
#define CF_SECT_SIZE 0x200
/* That is the ratio CF_SECT_SIZE/512 (the kernel sector size) */
#define CF_KERNEL_MUL 1
#define ATA_MAX_SECT_PER_CMD 0x100
#define CF_TRANS_FAILED 0
#define CF_TRANS_OK 1
#define CF_TRANS_IN_PROGRESS 2
enum trans_state {
TS_IDLE = 0,
TS_AFTER_RESET,
TS_READY,
TS_CMD,
TS_TRANS
};
//
// #if DEBUG
// static unsigned long busy_time;
// #endif
/** Struct to hold the cfdev
Actually, all the data here only has one instance. However, for
reasons of programming conformity, it is passed around as a pointer
*/
struct cf_mips_dev {
void *base; /* base address for I/O */
void *baddr; /* remapped address */
int pin; /* gpio pin */
int irq; /* gpio irq */
unsigned head;
unsigned cyl;
unsigned spt;
unsigned sectors;
unsigned short block_size;
unsigned dtype ; // ATA or CF
struct request_queue *queue;
struct gendisk *gd;
/* Transaction state */
enum trans_state tstate;
char *tbuf;
unsigned long tbuf_size;
sector_t tsect_start;
unsigned tsector_count;
unsigned tsectors_left;
int tread;
unsigned tcmd;
int async_mode;
unsigned long irq_enable_time;
struct request *active_req; /* A request is being carried out. Is that different from tstate? */
int users;
struct timer_list to_timer;
struct tasklet_struct tasklet;
/** This lock ensures that the requests to this device are all done
atomically. Transfers can run in parallel, requests are all queued
one-by-one */
spinlock_t lock;
};
int cf_do_transfer(struct cf_mips_dev* dev,sector_t sector, unsigned long nsect,
char* buffer, int is_write);
int cf_init(struct cf_mips_dev* dev);
void cf_cleanup(struct cf_mips_dev* dev);
void cf_async_trans_done(struct cf_mips_dev* dev, int result);
// void *cf_get_next_buf(unsigned long *buf_size);
#endif

339
target/linux/rb532-2.6/files/drivers/block/rb500/bdev.c Normal file
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/* CF-mips driver
This is a block driver for the direct (mmaped) interface to the CF-slot,
found in Routerboard.com's RB532 board
See SDK provided from routerboard.com.
Module adapted By P.Christeas <p_christeas@yahoo.com>, 2005-6.
Cleaned up and adapted to platform_device by Felix Fietkau <nbd@openwrt.org>
This work is redistributed under the terms of the GNU General Public License.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <linux/fs.h>
#include <linux/genhd.h>
#include <linux/blkdev.h>
#include <linux/blkpg.h>
#include <linux/hdreg.h>
#include <linux/platform_device.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/rc32434/rb.h>
#ifdef DEBUG
#define DEBUGP printk
#define DLEVEL 1
#else
#define DEBUGP(format, args...)
#define DLEVEL 0
#endif
#define CF_MIPS_MAJOR 13
#define MAJOR_NR CF_MIPS_MAJOR
#define CF_MAX_PART 16 /* max 15 partitions */
#include "ata.h"
//extern struct block_device_operations cf_bdops;
// static struct hd_struct cf_parts[CF_MAX_PART];
// static int cf_part_sizes[CF_MAX_PART];
// static int cf_hsect_sizes[CF_MAX_PART];
// static int cf_max_sectors[CF_MAX_PART];
// static int cf_blksize_sizes[CF_MAX_PART];
// static spinlock_t lock = SPIN_LOCK_UNLOCKED;
// volatile int cf_busy = 0;
static struct request *active_req = NULL;
static int cf_open (struct inode *, struct file *);
static int cf_release (struct inode *, struct file *);
static int cf_ioctl (struct inode *, struct file *, unsigned, unsigned long);
static void cf_request(request_queue_t * q);
static int cf_transfer(const struct request *req);
/*long (*unlocked_ioctl) (struct file *, unsigned, unsigned long);
long (*compat_ioctl) (struct file *, unsigned, unsigned long);*/
// int (*direct_access) (struct block_device *, sector_t, unsigned long *);
// int (*media_changed) (struct gendisk *);
// int (*revalidate_disk) (struct gendisk *);
static struct block_device_operations cf_bdops = {
.owner = THIS_MODULE,
.open = cf_open,
.release = cf_release,
.ioctl = cf_ioctl,
.media_changed = NULL,
.unlocked_ioctl = NULL,
.revalidate_disk = NULL,
.compat_ioctl = NULL,
.direct_access = NULL
};
int cf_mips_probe(struct platform_device *pdev)
{
struct gendisk* cf_gendisk=NULL;
struct cf_device *cdev = (struct cf_device *) pdev->dev.platform_data;
struct cf_mips_dev *dev;
struct resource *r;
int reg_result;
reg_result = register_blkdev(MAJOR_NR, "cf-mips");
if (reg_result < 0) {
printk(KERN_WARNING "cf-mips: can't get major %d\n", MAJOR_NR);
return reg_result;
}
dev = (struct cf_mips_dev *)kmalloc(sizeof(struct cf_mips_dev),GFP_KERNEL);
if (!dev)
goto out_err;
memset(dev, 0, sizeof(struct cf_mips_dev));
cdev->dev = dev;
dev->pin = cdev->gpio_pin;
dev->irq = platform_get_irq_byname(pdev, "cf_irq");
r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cf_membase");
dev->base = (void *) r->start;
if (cf_init(dev)) goto out_err;
printk("init done");
spin_lock_init(&dev->lock);
dev->queue = blk_init_queue(cf_request,&dev->lock);
if (!dev->queue){
printk(KERN_ERR "cf-mips: no mem for queue\n");
goto out_err;
}
blk_queue_max_sectors(dev->queue,ATA_MAX_SECT_PER_CMD);
/* For memory devices, it is always better to avoid crossing segments
inside the same request. */
/* if (dev->dtype==0x848A){
printk(KERN_INFO "Setting boundary for cf to 0x%x",(dev->block_size*512)-1);
blk_queue_segment_boundary(dev->queue, (dev->block_size*512)-1);
}*/
dev->gd = alloc_disk(CF_MAX_PART);
cf_gendisk = dev->gd;
cdev->gd = dev->gd;
if (!cf_gendisk) goto out_err; /* Last of these goto's */
cf_gendisk->major = MAJOR_NR;
cf_gendisk->first_minor = 0;
cf_gendisk->queue=dev->queue;
BUG_ON(cf_gendisk->minors != CF_MAX_PART);
strcpy(cf_gendisk->disk_name,"cfa");
cf_gendisk->fops = &cf_bdops;
cf_gendisk->flags = 0 ; /* is not yet GENHD_FL_REMOVABLE */
cf_gendisk->private_data=dev;
set_capacity(cf_gendisk,dev->sectors * CF_KERNEL_MUL);
/* Let the disk go live */
add_disk(cf_gendisk);
#if 0
result = cf_init();
/* default cfg for all partitions */
memset(cf_parts, 0, sizeof (cf_parts[0]) * CF_MAX_PART);
memset(cf_part_sizes, 0, sizeof (cf_part_sizes[0]) * CF_MAX_PART);
for (i = 0; i < CF_MAX_PART; ++i) {
cf_hsect_sizes[i] = CF_SECT_SIZE;
cf_max_sectors[i] = ATA_MAX_SECT_PER_CMD;
cf_blksize_sizes[i] = BLOCK_SIZE;
}
/* setup info for whole disk (partition 0) */
cf_part_sizes[0] = cf_sectors / 2;
cf_parts[0].nr_sects = cf_sectors;
blk_size[MAJOR_NR] = cf_part_sizes;
blksize_size[MAJOR_NR] = cf_blksize_sizes;
max_sectors[MAJOR_NR] = cf_max_sectors;
hardsect_size[MAJOR_NR] = cf_hsect_sizes;
read_ahead[MAJOR_NR] = 8; /* (4kB) */
blk_init_queue(BLK_DEFAULT_QUEUE(MAJOR_NR), DEVICE_REQUEST);
add_gendisk(&cf_gendisk);
#endif
// printk(KERN_INFO "cf-mips partition check: \n");
// register_disk(cf_gendisk, MKDEV(MAJOR_NR, 0), CF_MAX_PART,
// &cf_bdops, dev->sectors);
return 0;
out_err:
if (dev->queue){
blk_cleanup_queue(dev->queue);
}
if (reg_result) {
unregister_blkdev(MAJOR_NR, "cf-mips");
return reg_result;
}
if (dev){
cf_cleanup(dev);
kfree(dev);
}
return 1;
}
static int
cf_mips_remove(struct platform_device *pdev)
{
struct cf_device *cdev = (struct cf_device *) pdev->dev.platform_data;
struct cf_mips_dev *dev = (struct cf_mips_dev *) cdev->dev;
unregister_blkdev(MAJOR_NR, "cf-mips");
blk_cleanup_queue(dev->queue);
del_gendisk(dev->gd);
cf_cleanup(dev);
return 0;
}
static struct platform_driver cf_driver = {
.driver.name = "rb500-cf",
.probe = cf_mips_probe,
.remove = cf_mips_remove,
};
static int __init cf_mips_init(void)
{
printk(KERN_INFO "cf-mips module loaded\n");
return platform_driver_register(&cf_driver);
}
static void cf_mips_cleanup(void)
{
platform_driver_unregister(&cf_driver);
printk(KERN_INFO "cf-mips module removed\n");
}
module_init(cf_mips_init);
module_exit(cf_mips_cleanup);
MODULE_LICENSE("GPL");
MODULE_ALIAS_BLOCKDEV_MAJOR(CF_MIPS_MAJOR);
static int cf_open(struct inode *inode, struct file *filp)
{
struct cf_mips_dev *dev=inode->i_bdev->bd_disk->private_data;
int minor = MINOR(inode->i_rdev);
if (minor >= CF_MAX_PART)
return -ENODEV;
//DEBUGP(KERN_INFO "cf-mips module opened, minor %d\n", minor);
spin_lock(&dev->lock);
dev->users++;
spin_unlock(&dev->lock);
filp->private_data=dev;
/* dirty workaround to set CFRDY GPIO as an input when some other
program sets it as an output */
gpio_set(CFG, (1 << dev->pin), 0);
return 0; /* success */
}
static int cf_release(struct inode *inode, struct file *filp)
{
int minor = MINOR(inode->i_rdev);
struct cf_mips_dev *dev=inode->i_bdev->bd_disk->private_data;
spin_lock(&dev->lock);
dev->users--;
spin_unlock(&dev->lock);
return 0;
}
static int cf_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
{
unsigned minor = MINOR(inode->i_rdev);
struct cf_mips_dev *dev=inode->i_bdev->bd_disk->private_data;
DEBUGP(KERN_INFO "cf_ioctl cmd %u\n", cmd);
switch (cmd) {
case BLKRRPART: /* re-read partition table */
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
printk(KERN_INFO "cf-mips partition check: \n");
register_disk(dev->gd);
return 0;
case HDIO_GETGEO:
{
struct hd_geometry geo;
geo.cylinders = dev->cyl;
geo.heads = dev->head;
geo.sectors = dev->spt;
geo.start = (*dev->gd->part)[minor].start_sect;
if (copy_to_user((void *) arg, &geo, sizeof (geo)))
return -EFAULT;
}
return 0;
}
return -EINVAL; /* unknown command */
}
static void cf_request(request_queue_t * q)
{
struct cf_mips_dev* dev;
struct request * req;
int status;
/* We could have q->queuedata = dev , but haven't yet. */
if (active_req)
return;
while ((req=elv_next_request(q))!=NULL){
dev=req->rq_disk->private_data;
status=cf_transfer(req);
if (status==CF_TRANS_IN_PROGRESS){
active_req=req;
return;
}
end_request(req,status);
}
}
static int cf_transfer(const struct request *req)
{
struct cf_mips_dev* dev=req->rq_disk->private_data;
if (!blk_fs_request(req)){
if (printk_ratelimit())
printk(KERN_WARNING "cf-mips: skipping non-fs request 0x%x\n",req->cmd[0]);
return CF_TRANS_FAILED;
}
return cf_do_transfer(dev,req->sector,req->current_nr_sectors,req->buffer,rq_data_dir(req));
}
void cf_async_trans_done(struct cf_mips_dev * dev,int result)
{
struct request *req;
spin_lock(&dev->lock);
req=active_req;
active_req=NULL;
end_request(req,result);
spin_unlock(&dev->lock);
spin_lock(&dev->lock);
cf_request(dev->queue);
spin_unlock(&dev->lock);
}

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target/linux/rb532-2.6/files/drivers/mtd/nand/rbmipsnand.c Normal file
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#include <linux/init.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/delay.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/bootinfo.h>
#define IDT434_REG_BASE ((volatile void *) KSEG1ADDR(0x18000000))
#define GPIOF 0x050000
#define GPIOC 0x050004
#define GPIOD 0x050008
#define GPIO_RDY (1 << 0x08)
#define GPIO_WPX (1 << 0x09)
#define GPIO_ALE (1 << 0x0a)
#define GPIO_CLE (1 << 0x0b)
#define DEV2BASE 0x010020
#define LO_WPX (1 << 0)
#define LO_ALE (1 << 1)
#define LO_CLE (1 << 2)
#define LO_CEX (1 << 3)
#define LO_FOFF (1 << 5)
#define LO_SPICS (1 << 6)
#define LO_ULED (1 << 7)
#define MEM32(x) *((volatile unsigned *) (x))
static void __iomem *p_nand;
extern void changeLatchU5(unsigned char orMask, unsigned char nandMask);
static int rb500_dev_ready(struct mtd_info *mtd)
{
return MEM32(IDT434_REG_BASE + GPIOD) & GPIO_RDY;
}
/*
* hardware specific access to control-lines
*
* ctrl:
* NAND_CLE: bit 2 -> bit 3
* NAND_ALE: bit 3 -> bit 2
*/
static void rbmips_hwcontrol500(struct mtd_info *mtd, int cmd,
unsigned int ctrl)
{
struct nand_chip *chip = mtd->priv;
unsigned char orbits, nandbits;
if (ctrl & NAND_CTRL_CHANGE) {
orbits = (ctrl & NAND_CLE) << 1;
orbits |= (ctrl & NAND_ALE) >> 1;
nandbits = (~ctrl & NAND_CLE) << 1;
nandbits |= (~ctrl & NAND_ALE) >> 1;
changeLatchU5(orbits, nandbits);
}
if (cmd != NAND_CMD_NONE)
writeb(cmd, chip->IO_ADDR_W);
}
static struct mtd_partition partition_info[] = {
{
name:"RouterBoard NAND Boot",
offset:0,
size:4 * 1024 * 1024},
{
name:"RouterBoard NAND Main",
offset:MTDPART_OFS_NXTBLK,
size:MTDPART_SIZ_FULL}
};
static struct mtd_info rmtd;
static struct nand_chip rnand;
static unsigned init_ok = 0;
unsigned get_rbnand_block_size(void)
{
if (init_ok)
return rmtd.writesize;
else
return 0;
}
EXPORT_SYMBOL(get_rbnand_block_size);
int __init rbmips_init(void)
{
int *b;
memset(&rmtd, 0, sizeof(rmtd));
memset(&rnand, 0, sizeof(rnand));
printk("RB500 nand\n");
changeLatchU5(LO_WPX | LO_FOFF | LO_CEX,
LO_ULED | LO_ALE | LO_CLE);
rnand.cmd_ctrl = rbmips_hwcontrol500;
rnand.dev_ready = rb500_dev_ready;
rnand.IO_ADDR_W = (unsigned char *)
KSEG1ADDR(MEM32(IDT434_REG_BASE + DEV2BASE));
rnand.IO_ADDR_R = rnand.IO_ADDR_W;
p_nand = (void __iomem *) ioremap((void *) 0x18a20000, 0x1000);
if (!p_nand) {
printk("RBnand Unable ioremap buffer");
return -ENXIO;
}
rnand.ecc.mode = NAND_ECC_SOFT;
rnand.chip_delay = 25;
rnand.options |= NAND_NO_AUTOINCR;
rmtd.priv = &rnand;
b = (int *) KSEG1ADDR(0x18010020);
printk("dev2base 0x%08x mask 0x%08x c 0x%08x tc 0x%08x\n", b[0],
b[1], b[2], b[3]);
if (nand_scan(&rmtd, 1) && nand_scan(&rmtd, 1)
&& nand_scan(&rmtd, 1) && nand_scan(&rmtd, 1)) {
printk("RBxxx nand device not found\n");
iounmap((void *) p_nand);
return -ENXIO;
}
add_mtd_partitions(&rmtd, partition_info, 2);
init_ok = 1;
return 0;
}
module_init(rbmips_init);

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target/linux/rb532-2.6/files/drivers/net/korina.c Normal file
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target/linux/rb532-2.6/files/drivers/net/rc32434_eth.h Normal file
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/**************************************************************************
*
* BRIEF MODULE DESCRIPTION
* Definitions for IDT RC32434 on-chip ethernet controller.
*
* Copyright 2004 IDT Inc. (rischelp@idt.com)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
**************************************************************************
* May 2004 rkt, neb
*
* Initial Release
*
* Aug 2004
*
* Added NAPI
*
**************************************************************************
*/
#include <asm/rc32434/rc32434.h>
#include <asm/rc32434/dma_v.h>
#include <asm/rc32434/eth_v.h>
#define CONFIG_IDT_USE_NAPI 1
#define RC32434_DEBUG 2
//#define RC32434_PROC_DEBUG
#undef RC32434_DEBUG
#ifdef RC32434_DEBUG
/* use 0 for production, 1 for verification, >2 for debug */
static int rc32434_debug = RC32434_DEBUG;
#define ASSERT(expr) \
if(!(expr)) { \
printk( "Assertion failed! %s,%s,%s,line=%d\n", \
#expr,__FILE__,__FUNCTION__,__LINE__); }
#define DBG(lvl, format, arg...) if (rc32434_debug > lvl) printk(KERN_INFO "%s: " format, dev->name , ## arg)
#else
#define ASSERT(expr) do {} while (0)
#define DBG(lvl, format, arg...) do {} while (0)
#endif
#define INFO(format, arg...) printk(KERN_INFO "%s: " format, dev->name , ## arg)
#define ERR(format, arg...) printk(KERN_ERR "%s: " format, dev->name , ## arg)
#define WARN(format, arg...) printk(KERN_WARNING "%s: " format, dev->name , ## arg)
/* the following must be powers of two */
#ifdef CONFIG_IDT_USE_NAPI
#define RC32434_NUM_RDS 64 /* number of receive descriptors */
#define RC32434_NUM_TDS 64 /* number of transmit descriptors */
#else
#define RC32434_NUM_RDS 128 /* number of receive descriptors */
#define RC32434_NUM_TDS 128 /* number of transmit descriptors */
#endif
#define RC32434_RBSIZE 1536 /* size of one resource buffer = Ether MTU */
#define RC32434_RDS_MASK (RC32434_NUM_RDS-1)
#define RC32434_TDS_MASK (RC32434_NUM_TDS-1)
#define RD_RING_SIZE (RC32434_NUM_RDS * sizeof(struct DMAD_s))
#define TD_RING_SIZE (RC32434_NUM_TDS * sizeof(struct DMAD_s))
#define RC32434_TX_TIMEOUT HZ * 100
#define rc32434_eth0_regs ((ETH_t)(ETH0_VirtualAddress))
#define rc32434_eth1_regs ((ETH_t)(ETH1_VirtualAddress))
enum status { filled, empty};
#define IS_DMA_FINISHED(X) (((X) & (DMAD_f_m)) != 0)
#define IS_DMA_DONE(X) (((X) & (DMAD_d_m)) != 0)
/* Information that need to be kept for each board. */
struct rc32434_local {
ETH_t eth_regs;
DMA_Chan_t rx_dma_regs;
DMA_Chan_t tx_dma_regs;
volatile DMAD_t td_ring; /* transmit descriptor ring */
volatile DMAD_t rd_ring; /* receive descriptor ring */
struct sk_buff* tx_skb[RC32434_NUM_TDS]; /* skbuffs for pkt to trans */
struct sk_buff* rx_skb[RC32434_NUM_RDS]; /* skbuffs for pkt to trans */
#ifndef CONFIG_IDT_USE_NAPI
struct tasklet_struct * rx_tasklet;
#endif
struct tasklet_struct * tx_tasklet;
int rx_next_done;
int rx_chain_head;
int rx_chain_tail;
enum status rx_chain_status;
int tx_next_done;
int tx_chain_head;
int tx_chain_tail;
enum status tx_chain_status;
int tx_count;
int tx_full;
struct timer_list mii_phy_timer;
unsigned long duplex_mode;
int rx_irq;
int tx_irq;
int ovr_irq;
int und_irq;
struct net_device_stats stats;
spinlock_t lock;
/* debug /proc entry */
struct proc_dir_entry *ps;
int dma_halt_cnt; int dma_run_cnt;
};
extern unsigned int idt_cpu_freq;
/* Index to functions, as function prototypes. */
static int rc32434_open(struct net_device *dev);
static int rc32434_send_packet(struct sk_buff *skb, struct net_device *dev);
static void rc32434_mii_handler(unsigned long data);
static irqreturn_t rc32434_und_interrupt(int irq, void *dev_id);
static irqreturn_t rc32434_rx_dma_interrupt(int irq, void *dev_id);
static irqreturn_t rc32434_tx_dma_interrupt(int irq, void *dev_id);
#ifdef RC32434_REVISION
static irqreturn_t rc32434_ovr_interrupt(int irq, void *dev_id);
#endif
static int rc32434_close(struct net_device *dev);
static struct net_device_stats *rc32434_get_stats(struct net_device *dev);
static void rc32434_multicast_list(struct net_device *dev);
static int rc32434_init(struct net_device *dev);
static void rc32434_tx_timeout(struct net_device *dev);
static void rc32434_tx_tasklet(unsigned long tx_data_dev);
#ifdef CONFIG_IDT_USE_NAPI
static int rc32434_poll(struct net_device *rx_data_dev, int *budget);
#else
static void rc32434_rx_tasklet(unsigned long rx_data_dev);
#endif
static void rc32434_cleanup_module(void);
static inline void rc32434_abort_dma(struct net_device *dev, DMA_Chan_t ch)
{
if (__raw_readl(&ch->dmac) & DMAC_run_m) {
__raw_writel(0x10, &ch->dmac);
while (!(__raw_readl(&ch->dmas) & DMAS_h_m))
dev->trans_start = jiffies;
__raw_writel(0, &ch->dmas);
}
__raw_writel(0, &ch->dmadptr);
__raw_writel(0, &ch->dmandptr);
}

173
target/linux/rb532-2.6/files/include/asm-mips/rc32434/ddr.h Normal file
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#ifndef __IDT_DDR_H__
#define __IDT_DDR_H__
/*******************************************************************************
*
* Copyright 2002 Integrated Device Technology, Inc.
* All rights reserved.
*
* DDR register definition.
*
* File : $Id: ddr.h,v 1.2 2002/06/06 18:34:03 astichte Exp $
*
* Author : ryan.holmQVist@idt.com
* Date : 20011005
* Update :
* $Log: ddr.h,v $
* Revision 1.2 2002/06/06 18:34:03 astichte
* Added XXX_PhysicalAddress and XXX_VirtualAddress
*
* Revision 1.1 2002/05/29 17:33:21 sysarch
* jba File moved from vcode/include/idt/acacia
*
*
******************************************************************************/
enum
{
DDR0_PhysicalAddress = 0x18018000,
DDR_PhysicalAddress = DDR0_PhysicalAddress, // Default
DDR0_VirtualAddress = 0xb8018000,
DDR_VirtualAddress = DDR0_VirtualAddress, // Default
} ;
typedef struct DDR_s
{
u32 ddrbase ;
u32 ddrmask ;
u32 res1;
u32 res2;
u32 ddrc ;
u32 ddrabase ;
u32 ddramask ;
u32 ddramap ;
u32 ddrcust;
u32 ddrrdc;
u32 ddrspare;
} volatile *DDR_t ;
enum
{
DDR0BASE_baseaddr_b = 16,
DDR0BASE_baseaddr_m = 0xffff0000,
DDR0MASK_mask_b = 16,
DDR0MASK_mask_m = 0xffff0000,
DDR1BASE_baseaddr_b = 16,
DDR1BASE_baseaddr_m = 0xffff0000,
DDR1MASK_mask_b = 16,
DDR1MASK_mask_m = 0xffff0000,
DDRC_ata_b = 5,
DDRC_ata_m = 0x000000E0,
DDRC_dbw_b = 8,
DDRC_dbw_m = 0x00000100,
DDRC_wr_b = 9,
DDRC_wr_m = 0x00000600,
DDRC_ps_b = 11,
DDRC_ps_m = 0x00001800,
DDRC_dtype_b = 13,
DDRC_dtype_m = 0x0000e000,
DDRC_rfc_b = 16,
DDRC_rfc_m = 0x000f0000,
DDRC_rp_b = 20,
DDRC_rp_m = 0x00300000,
DDRC_ap_b = 22,
DDRC_ap_m = 0x00400000,
DDRC_rcd_b = 23,
DDRC_rcd_m = 0x01800000,
DDRC_cl_b = 25,
DDRC_cl_m = 0x06000000,
DDRC_dbm_b = 27,
DDRC_dbm_m = 0x08000000,
DDRC_sds_b = 28,
DDRC_sds_m = 0x10000000,
DDRC_atp_b = 29,
DDRC_atp_m = 0x60000000,
DDRC_re_b = 31,
DDRC_re_m = 0x80000000,
DDRRDC_ces_b = 0,
DDRRDC_ces_m = 0x00000001,
DDRRDC_ace_b = 1,
DDRRDC_ace_m = 0x00000002,
DDRABASE_baseaddr_b = 16,
DDRABASE_baseaddr_m = 0xffff0000,
DDRAMASK_mask_b = 16,
DDRAMASK_mask_m = 0xffff0000,
DDRAMAP_map_b = 16,
DDRAMAP_map_m = 0xffff0000,
DDRCUST_cs_b = 0,
DDRCUST_cs_m = 0x00000003,
DDRCUST_we_b = 2,
DDRCUST_we_m = 0x00000004,
DDRCUST_ras_b = 3,
DDRCUST_ras_m = 0x00000008,
DDRCUST_cas_b = 4,
DDRCUST_cas_m = 0x00000010,
DDRCUST_cke_b = 5,
DDRCUST_cke_m = 0x00000020,
DDRCUST_ba_b = 6,
DDRCUST_ba_m = 0x000000c0,
RCOUNT_rcount_b = 0,
RCOUNT_rcount_m = 0x0000ffff,
RCOMPARE_rcompare_b = 0,
RCOMPARE_rcompare_m = 0x0000ffff,
RTC_ce_b = 0,
RTC_ce_m = 0x00000001,
RTC_to_b = 1,
RTC_to_m = 0x00000002,
RTC_rqe_b = 2,
RTC_rqe_m = 0x00000004,
DDRDQSC_dm_b = 0,
DDRDQSC_dm_m = 0x00000003,
DDRDQSC_dqsbs_b = 2,
DDRDQSC_dqsbs_m = 0x000000fc,
DDRDQSC_db_b = 8,
DDRDQSC_db_m = 0x00000100,
DDRDQSC_dbsp_b = 9,
DDRDQSC_dbsp_m = 0x01fffe00,
DDRDQSC_bdp_b = 25,
DDRDQSC_bdp_m = 0x7e000000,
DDRDLLC_eao_b = 0,
DDRDLLC_eao_m = 0x00000001,
DDRDLLC_eo_b = 1,
DDRDLLC_eo_m = 0x0000003e,
DDRDLLC_fs_b = 6,
DDRDLLC_fs_m = 0x000000c0,
DDRDLLC_as_b = 8,
DDRDLLC_as_m = 0x00000700,
DDRDLLC_sp_b = 11,
DDRDLLC_sp_m = 0x001ff800,
DDRDLLFC_men_b = 0,
DDRDLLFC_men_m = 0x00000001,
DDRDLLFC_aen_b = 1,
DDRDLLFC_aen_m = 0x00000002,
DDRDLLFC_ff_b = 2,
DDRDLLFC_ff_m = 0x00000004,
DDRDLLTA_addr_b = 2,
DDRDLLTA_addr_m = 0xfffffffc,
DDRDLLED_dbe_b = 0,
DDRDLLED_dbe_m = 0x00000001,
DDRDLLED_dte_b = 1,
DDRDLLED_dte_m = 0x00000002,
} ;
#endif // __IDT_DDR_H__

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#ifndef __IDT_DMA_H__
#define __IDT_DMA_H__
/*******************************************************************************
*
* Copyright 2002 Integrated Device Technology, Inc.
* All rights reserved.
*
* DMA register definition.
*
* File : $Id: dma.h,v 1.3 2002/06/06 18:34:03 astichte Exp $
*
* Author : ryan.holmQVist@idt.com
* Date : 20011005
* Update :
* $Log: dma.h,v $
* Revision 1.3 2002/06/06 18:34:03 astichte
* Added XXX_PhysicalAddress and XXX_VirtualAddress
*
* Revision 1.2 2002/06/05 18:30:46 astichte
* Removed IDTField
*
* Revision 1.1 2002/05/29 17:33:21 sysarch
* jba File moved from vcode/include/idt/acacia
*
*
******************************************************************************/
enum
{
DMA0_PhysicalAddress = 0x18040000,
DMA_PhysicalAddress = DMA0_PhysicalAddress, // Default
DMA0_VirtualAddress = 0xb8040000,
DMA_VirtualAddress = DMA0_VirtualAddress, // Default
} ;
/*
* DMA descriptor (in physical memory).
*/
typedef struct DMAD_s
{
u32 control ; // Control. use DMAD_*
u32 ca ; // Current Address.
u32 devcs ; // Device control and status.
u32 link ; // Next descriptor in chain.
} volatile *DMAD_t ;
enum
{
DMAD_size = sizeof (struct DMAD_s),
DMAD_count_b = 0, // in DMAD_t -> control
DMAD_count_m = 0x0003ffff, // in DMAD_t -> control
DMAD_ds_b = 20, // in DMAD_t -> control
DMAD_ds_m = 0x00300000, // in DMAD_t -> control
DMAD_ds_ethRcv_v = 0,
DMAD_ds_ethXmt_v = 0,
DMAD_ds_memToFifo_v = 0,
DMAD_ds_fifoToMem_v = 0,
DMAD_ds_pciToMem_v = 0,
DMAD_ds_memToPci_v = 0,
DMAD_devcmd_b = 22, // in DMAD_t -> control
DMAD_devcmd_m = 0x01c00000, // in DMAD_t -> control
DMAD_devcmd_byte_v = 0, //memory-to-memory
DMAD_devcmd_halfword_v = 1, //memory-to-memory
DMAD_devcmd_word_v = 2, //memory-to-memory
DMAD_devcmd_2words_v = 3, //memory-to-memory
DMAD_devcmd_4words_v = 4, //memory-to-memory
DMAD_devcmd_6words_v = 5, //memory-to-memory
DMAD_devcmd_8words_v = 6, //memory-to-memory
DMAD_devcmd_16words_v = 7, //memory-to-memory
DMAD_cof_b = 25, // chain on finished
DMAD_cof_m = 0x02000000, //
DMAD_cod_b = 26, // chain on done
DMAD_cod_m = 0x04000000, //
DMAD_iof_b = 27, // interrupt on finished
DMAD_iof_m = 0x08000000, //
DMAD_iod_b = 28, // interrupt on done
DMAD_iod_m = 0x10000000, //
DMAD_t_b = 29, // terminated
DMAD_t_m = 0x20000000, //
DMAD_d_b = 30, // done
DMAD_d_m = 0x40000000, //
DMAD_f_b = 31, // finished
DMAD_f_m = 0x80000000, //
} ;
/*
* DMA register (within Internal Register Map).
*/
struct DMA_Chan_s
{
u32 dmac ; // Control.
u32 dmas ; // Status.
u32 dmasm ; // Mask.
u32 dmadptr ; // Descriptor pointer.
u32 dmandptr ; // Next descriptor pointer.
};
typedef struct DMA_Chan_s volatile *DMA_Chan_t ;
//DMA_Channels use DMACH_count instead
enum
{
DMAC_run_b = 0, //
DMAC_run_m = 0x00000001, //
DMAC_dm_b = 1, // done mask
DMAC_dm_m = 0x00000002, //
DMAC_mode_b = 2, //
DMAC_mode_m = 0x0000000c, //
DMAC_mode_auto_v = 0,
DMAC_mode_burst_v = 1,
DMAC_mode_transfer_v = 2, //usually used
DMAC_mode_reserved_v = 3,
DMAC_a_b = 4, //
DMAC_a_m = 0x00000010, //
DMAS_f_b = 0, // finished (sticky)
DMAS_f_m = 0x00000001, //
DMAS_d_b = 1, // done (sticky)
DMAS_d_m = 0x00000002, //
DMAS_c_b = 2, // chain (sticky)
DMAS_c_m = 0x00000004, //
DMAS_e_b = 3, // error (sticky)
DMAS_e_m = 0x00000008, //
DMAS_h_b = 4, // halt (sticky)
DMAS_h_m = 0x00000010, //
DMASM_f_b = 0, // finished (1=mask)
DMASM_f_m = 0x00000001, //
DMASM_d_b = 1, // done (1=mask)
DMASM_d_m = 0x00000002, //
DMASM_c_b = 2, // chain (1=mask)
DMASM_c_m = 0x00000004, //
DMASM_e_b = 3, // error (1=mask)
DMASM_e_m = 0x00000008, //
DMASM_h_b = 4, // halt (1=mask)
DMASM_h_m = 0x00000010, //
} ;
/*
* DMA channel definitions
*/
enum
{
DMACH_ethRcv = 0,
DMACH_ethXmt = 1,
DMACH_memToFifo = 2,
DMACH_fifoToMem = 3,
DMACH_pciToMem = 4,
DMACH_memToPci = 5,
DMACH_count //must be last
};
typedef struct DMAC_s
{
struct DMA_Chan_s ch [DMACH_count] ; //use ch[DMACH_]
} volatile *DMA_t ;
#endif // __IDT_DMA_H__

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#ifndef __IDT_DMA_V_H__
#define __IDT_DMA_V_H__
/*******************************************************************************
*
* Copyright 2002 Integrated Device Technology, Inc.
* All rights reserved.
*
* DMA register definition.
*
* File : $Id: dma.h,v 1.3 2002/06/06 18:34:03 astichte Exp $
*
* Author : ryan.holmQVist@idt.com
* Date : 20011005
* Update :
* $Log: dma.h,v $
* Revision 1.3 2002/06/06 18:34:03 astichte
* Added XXX_PhysicalAddress and XXX_VirtualAddress
*
* Revision 1.2 2002/06/05 18:30:46 astichte
* Removed IDTField
*
* Revision 1.1 2002/05/29 17:33:21 sysarch
* jba File moved from vcode/include/idt/acacia
*
*
******************************************************************************/
#include <asm/rc32434/dma.h>
#include <asm/rc32434/rc32434.h>
#define DMA_CHAN_OFFSET 0x14
#define IS_DMA_USED(X) (((X) & (DMAD_f_m | DMAD_d_m | DMAD_t_m)) != 0)
#define DMA_COUNT(count) \
((count) & DMAD_count_m)
#define DMA_HALT_TIMEOUT 500
static inline int rc32434_halt_dma(DMA_Chan_t ch)
{
int timeout=1;
if (local_readl(&ch->dmac) & DMAC_run_m) {
local_writel(0, &ch->dmac);
for (timeout = DMA_HALT_TIMEOUT; timeout > 0; timeout--) {
if (local_readl(&ch->dmas) & DMAS_h_m) {
local_writel(0, &ch->dmas);
break;
}
}
}
return timeout ? 0 : 1;
}
static inline void rc32434_start_dma(DMA_Chan_t ch, u32 dma_addr)
{
local_writel(0, &ch->dmandptr);
local_writel(dma_addr, &ch->dmadptr);
}
static inline void rc32434_chain_dma(DMA_Chan_t ch, u32 dma_addr)
{
local_writel(dma_addr, &ch->dmandptr);
}
#endif // __IDT_DMA_V_H__

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#ifndef __IDT_ETH_H__
#define __IDT_ETH_H__
/*******************************************************************************
*
* Copyright 2002 Integrated Device Technology, Inc.
* All rights reserved.
*
* Ethernet register definition.
*
* File : $Id: eth.h,v 1.3 2002/06/06 18:34:04 astichte Exp $
*
* Author : Allen.Stichter@idt.com
* Date : 20020605
* Update :
* $Log: eth.h,v $
* Revision 1.3 2002/06/06 18:34:04 astichte
* Added XXX_PhysicalAddress and XXX_VirtualAddress
*
* Revision 1.2 2002/06/05 18:19:46 astichte
* Added
*
* Revision 1.1 2002/05/29 17:33:22 sysarch
* jba File moved from vcode/include/idt/acacia
*
******************************************************************************/
enum
{
ETH0_PhysicalAddress = 0x18060000,
ETH_PhysicalAddress = ETH0_PhysicalAddress, // Default
ETH0_VirtualAddress = 0xb8060000,
ETH_VirtualAddress = ETH0_VirtualAddress, // Default
} ;
typedef struct
{
u32 ethintfc ;
u32 ethfifott ;
u32 etharc ;
u32 ethhash0 ;
u32 ethhash1 ;
u32 ethu0 [4] ; // Reserved.
u32 ethpfs ;
u32 ethmcp ;
u32 eth_u1 [10] ; // Reserved.
u32 ethspare ;
u32 eth_u2 [42] ; // Reserved.
u32 ethsal0 ;
u32 ethsah0 ;
u32 ethsal1 ;
u32 ethsah1 ;
u32 ethsal2 ;
u32 ethsah2 ;
u32 ethsal3 ;
u32 ethsah3 ;
u32 ethrbc ;
u32 ethrpc ;
u32 ethrupc ;
u32 ethrfc ;
u32 ethtbc ;
u32 ethgpf ;
u32 eth_u9 [50] ; // Reserved.
u32 ethmac1 ;
u32 ethmac2 ;
u32 ethipgt ;
u32 ethipgr ;
u32 ethclrt ;
u32 ethmaxf ;
u32 eth_u10 ; // Reserved.
u32 ethmtest ;
u32 miimcfg ;
u32 miimcmd ;
u32 miimaddr ;
u32 miimwtd ;
u32 miimrdd ;
u32 miimind ;
u32 eth_u11 ; // Reserved.
u32 eth_u12 ; // Reserved.
u32 ethcfsa0 ;
u32 ethcfsa1 ;
u32 ethcfsa2 ;
} volatile *ETH_t;
enum
{
ETHINTFC_en_b = 0,
ETHINTFC_en_m = 0x00000001,
ETHINTFC_its_b = 1,
ETHINTFC_its_m = 0x00000002,
ETHINTFC_rip_b = 2,
ETHINTFC_rip_m = 0x00000004,
ETHINTFC_jam_b = 3,
ETHINTFC_jam_m = 0x00000008,
ETHINTFC_ovr_b = 4,
ETHINTFC_ovr_m = 0x00000010,
ETHINTFC_und_b = 5,
ETHINTFC_und_m = 0x00000020,
ETHINTFC_iom_b = 6,
ETHINTFC_iom_m = 0x000000c0,
ETHFIFOTT_tth_b = 0,
ETHFIFOTT_tth_m = 0x0000007f,
ETHARC_pro_b = 0,
ETHARC_pro_m = 0x00000001,
ETHARC_am_b = 1,
ETHARC_am_m = 0x00000002,
ETHARC_afm_b = 2,
ETHARC_afm_m = 0x00000004,
ETHARC_ab_b = 3,
ETHARC_ab_m = 0x00000008,
ETHSAL_byte5_b = 0,
ETHSAL_byte5_m = 0x000000ff,
ETHSAL_byte4_b = 8,
ETHSAL_byte4_m = 0x0000ff00,
ETHSAL_byte3_b = 16,
ETHSAL_byte3_m = 0x00ff0000,
ETHSAL_byte2_b = 24,
ETHSAL_byte2_m = 0xff000000,
ETHSAH_byte1_b = 0,
ETHSAH_byte1_m = 0x000000ff,
ETHSAH_byte0_b = 8,
ETHSAH_byte0_m = 0x0000ff00,
ETHGPF_ptv_b = 0,
ETHGPF_ptv_m = 0x0000ffff,
ETHPFS_pfd_b = 0,
ETHPFS_pfd_m = 0x00000001,
ETHCFSA0_cfsa4_b = 0,
ETHCFSA0_cfsa4_m = 0x000000ff,
ETHCFSA0_cfsa5_b = 8,
ETHCFSA0_cfsa5_m = 0x0000ff00,
ETHCFSA1_cfsa2_b = 0,
ETHCFSA1_cfsa2_m = 0x000000ff,
ETHCFSA1_cfsa3_b = 8,
ETHCFSA1_cfsa3_m = 0x0000ff00,
ETHCFSA2_cfsa0_b = 0,
ETHCFSA2_cfsa0_m = 0x000000ff,
ETHCFSA2_cfsa1_b = 8,
ETHCFSA2_cfsa1_m = 0x0000ff00,
ETHMAC1_re_b = 0,
ETHMAC1_re_m = 0x00000001,
ETHMAC1_paf_b = 1,
ETHMAC1_paf_m = 0x00000002,
ETHMAC1_rfc_b = 2,
ETHMAC1_rfc_m = 0x00000004,
ETHMAC1_tfc_b = 3,
ETHMAC1_tfc_m = 0x00000008,
ETHMAC1_lb_b = 4,
ETHMAC1_lb_m = 0x00000010,
ETHMAC1_mr_b = 31,
ETHMAC1_mr_m = 0x80000000,
ETHMAC2_fd_b = 0,
ETHMAC2_fd_m = 0x00000001,
ETHMAC2_flc_b = 1,
ETHMAC2_flc_m = 0x00000002,
ETHMAC2_hfe_b = 2,
ETHMAC2_hfe_m = 0x00000004,
ETHMAC2_dc_b = 3,
ETHMAC2_dc_m = 0x00000008,
ETHMAC2_cen_b = 4,
ETHMAC2_cen_m = 0x00000010,
ETHMAC2_pe_b = 5,
ETHMAC2_pe_m = 0x00000020,
ETHMAC2_vpe_b = 6,
ETHMAC2_vpe_m = 0x00000040,
ETHMAC2_ape_b = 7,
ETHMAC2_ape_m = 0x00000080,
ETHMAC2_ppe_b = 8,
ETHMAC2_ppe_m = 0x00000100,
ETHMAC2_lpe_b = 9,
ETHMAC2_lpe_m = 0x00000200,
ETHMAC2_nb_b = 12,
ETHMAC2_nb_m = 0x00001000,
ETHMAC2_bp_b = 13,
ETHMAC2_bp_m = 0x00002000,
ETHMAC2_ed_b = 14,
ETHMAC2_ed_m = 0x00004000,
ETHIPGT_ipgt_b = 0,
ETHIPGT_ipgt_m = 0x0000007f,
ETHIPGR_ipgr2_b = 0,
ETHIPGR_ipgr2_m = 0x0000007f,
ETHIPGR_ipgr1_b = 8,
ETHIPGR_ipgr1_m = 0x00007f00,
ETHCLRT_maxret_b = 0,
ETHCLRT_maxret_m = 0x0000000f,
ETHCLRT_colwin_b = 8,
ETHCLRT_colwin_m = 0x00003f00,
ETHMAXF_maxf_b = 0,
ETHMAXF_maxf_m = 0x0000ffff,
ETHMTEST_tb_b = 2,
ETHMTEST_tb_m = 0x00000004,
ETHMCP_div_b = 0,
ETHMCP_div_m = 0x000000ff,
MIIMCFG_rsv_b = 0,
MIIMCFG_rsv_m = 0x0000000c,
MIIMCMD_rd_b = 0,
MIIMCMD_rd_m = 0x00000001,
MIIMCMD_scn_b = 1,
MIIMCMD_scn_m = 0x00000002,
MIIMADDR_regaddr_b = 0,
MIIMADDR_regaddr_m = 0x0000001f,
MIIMADDR_phyaddr_b = 8,
MIIMADDR_phyaddr_m = 0x00001f00,
MIIMWTD_wdata_b = 0,
MIIMWTD_wdata_m = 0x0000ffff,
MIIMRDD_rdata_b = 0,
MIIMRDD_rdata_m = 0x0000ffff,
MIIMIND_bsy_b = 0,
MIIMIND_bsy_m = 0x00000001,
MIIMIND_scn_b = 1,
MIIMIND_scn_m = 0x00000002,
MIIMIND_nv_b = 2,
MIIMIND_nv_m = 0x00000004,
} ;
/*
* Values for the DEVCS field of the Ethernet DMA Rx and Tx descriptors.
*/
enum
{
ETHRX_fd_b = 0,
ETHRX_fd_m = 0x00000001,
ETHRX_ld_b = 1,
ETHRX_ld_m = 0x00000002,
ETHRX_rok_b = 2,
ETHRX_rok_m = 0x00000004,
ETHRX_fm_b = 3,
ETHRX_fm_m = 0x00000008,
ETHRX_mp_b = 4,
ETHRX_mp_m = 0x00000010,
ETHRX_bp_b = 5,
ETHRX_bp_m = 0x00000020,
ETHRX_vlt_b = 6,
ETHRX_vlt_m = 0x00000040,
ETHRX_cf_b = 7,
ETHRX_cf_m = 0x00000080,
ETHRX_ovr_b = 8,
ETHRX_ovr_m = 0x00000100,
ETHRX_crc_b = 9,
ETHRX_crc_m = 0x00000200,
ETHRX_cv_b = 10,
ETHRX_cv_m = 0x00000400,
ETHRX_db_b = 11,
ETHRX_db_m = 0x00000800,
ETHRX_le_b = 12,
ETHRX_le_m = 0x00001000,
ETHRX_lor_b = 13,
ETHRX_lor_m = 0x00002000,
ETHRX_ces_b = 14,
ETHRX_ces_m = 0x00004000,
ETHRX_length_b = 16,
ETHRX_length_m = 0xffff0000,
ETHTX_fd_b = 0,
ETHTX_fd_m = 0x00000001,
ETHTX_ld_b = 1,
ETHTX_ld_m = 0x00000002,
ETHTX_oen_b = 2,
ETHTX_oen_m = 0x00000004,
ETHTX_pen_b = 3,
ETHTX_pen_m = 0x00000008,
ETHTX_cen_b = 4,
ETHTX_cen_m = 0x00000010,
ETHTX_hen_b = 5,
ETHTX_hen_m = 0x00000020,
ETHTX_tok_b = 6,
ETHTX_tok_m = 0x00000040,
ETHTX_mp_b = 7,
ETHTX_mp_m = 0x00000080,
ETHTX_bp_b = 8,
ETHTX_bp_m = 0x00000100,
ETHTX_und_b = 9,
ETHTX_und_m = 0x00000200,
ETHTX_of_b = 10,
ETHTX_of_m = 0x00000400,
ETHTX_ed_b = 11,
ETHTX_ed_m = 0x00000800,
ETHTX_ec_b = 12,
ETHTX_ec_m = 0x00001000,
ETHTX_lc_b = 13,
ETHTX_lc_m = 0x00002000,
ETHTX_td_b = 14,
ETHTX_td_m = 0x00004000,
ETHTX_crc_b = 15,
ETHTX_crc_m = 0x00008000,
ETHTX_le_b = 16,
ETHTX_le_m = 0x00010000,
ETHTX_cc_b = 17,
ETHTX_cc_m = 0x001E0000,
} ;
#endif // __IDT_ETH_H__

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#ifndef __IDT_ETH_V_H__
#define __IDT_ETH_V_H__
/*******************************************************************************
*
* Copyright 2002 Integrated Device Technology, Inc.
* All rights reserved.
*
* Ethernet register definition.
*
* File : $Id: eth.h,v 1.3 2002/06/06 18:34:04 astichte Exp $
*
* Author : Allen.Stichter@idt.com
* Date : 20020605
* Update :
* $Log: eth.h,v $
* Revision 1.3 2002/06/06 18:34:04 astichte
* Added XXX_PhysicalAddress and XXX_VirtualAddress
*
* Revision 1.2 2002/06/05 18:19:46 astichte
* Added
*
* Revision 1.1 2002/05/29 17:33:22 sysarch
* jba File moved from vcode/include/idt/acacia
*
******************************************************************************/
#include <asm/rc32434/eth.h>
#define IS_TX_TOK(X) (((X) & (1<<ETHTX_tok_b)) >> ETHTX_tok_b ) /* Transmit Okay */
#define IS_TX_MP(X) (((X) & (1<<ETHTX_mp_b)) >> ETHTX_mp_b ) /* Multicast */
#define IS_TX_BP(X) (((X) & (1<<ETHTX_bp_b)) >> ETHTX_bp_b ) /* Broadcast */
#define IS_TX_UND_ERR(X) (((X) & (1<<ETHTX_und_b)) >> ETHTX_und_b ) /* Transmit FIFO Underflow */
#define IS_TX_OF_ERR(X) (((X) & (1<<ETHTX_of_b)) >> ETHTX_of_b ) /* Oversized frame */
#define IS_TX_ED_ERR(X) (((X) & (1<<ETHTX_ed_b)) >> ETHTX_ed_b ) /* Excessive deferral */
#define IS_TX_EC_ERR(X) (((X) & (1<<ETHTX_ec_b)) >> ETHTX_ec_b) /* Excessive collisions */
#define IS_TX_LC_ERR(X) (((X) & (1<<ETHTX_lc_b)) >> ETHTX_lc_b ) /* Late Collision */
#define IS_TX_TD_ERR(X) (((X) & (1<<ETHTX_td_b)) >> ETHTX_td_b ) /* Transmit deferred*/
#define IS_TX_CRC_ERR(X) (((X) & (1<<ETHTX_crc_b)) >> ETHTX_crc_b ) /* CRC Error */
#define IS_TX_LE_ERR(X) (((X) & (1<<ETHTX_le_b)) >> ETHTX_le_b ) /* Length Error */
#define TX_COLLISION_COUNT(X) (((X) & ETHTX_cc_m)>>ETHTX_cc_b) /* Collision Count */
#define IS_RCV_ROK(X) (((X) & (1<<ETHRX_rok_b)) >> ETHRX_rok_b) /* Receive Okay */
#define IS_RCV_FM(X) (((X) & (1<<ETHRX_fm_b)) >> ETHRX_fm_b) /* Is Filter Match */
#define IS_RCV_MP(X) (((X) & (1<<ETHRX_mp_b)) >> ETHRX_mp_b) /* Is it MP */
#define IS_RCV_BP(X) (((X) & (1<<ETHRX_bp_b)) >> ETHRX_bp_b) /* Is it BP */
#define IS_RCV_VLT(X) (((X) & (1<<ETHRX_vlt_b)) >> ETHRX_vlt_b) /* VLAN Tag Detect */
#define IS_RCV_CF(X) (((X) & (1<<ETHRX_cf_b)) >> ETHRX_cf_b) /* Control Frame */
#define IS_RCV_OVR_ERR(X) (((X) & (1<<ETHRX_ovr_b)) >> ETHRX_ovr_b) /* Receive Overflow */
#define IS_RCV_CRC_ERR(X) (((X) & (1<<ETHRX_crc_b)) >> ETHRX_crc_b) /* CRC Error */
#define IS_RCV_CV_ERR(X) (((X) & (1<<ETHRX_cv_b)) >> ETHRX_cv_b) /* Code Violation */
#define IS_RCV_DB_ERR(X) (((X) & (1<<ETHRX_db_b)) >> ETHRX_db_b) /* Dribble Bits */
#define IS_RCV_LE_ERR(X) (((X) & (1<<ETHRX_le_b)) >> ETHRX_le_b) /* Length error */
#define IS_RCV_LOR_ERR(X) (((X) & (1<<ETHRX_lor_b)) >> ETHRX_lor_b) /* Length Out of Range */
#define IS_RCV_CES_ERR(X) (((X) & (1<<ETHRX_ces_b)) >> ETHRX_ces_b) /* Preamble error */
#define RCVPKT_LENGTH(X) (((X) & ETHRX_length_m) >> ETHRX_length_b) /* Length of the received packet */
#endif // __IDT_ETH_V_H__

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#ifndef __IDT_GPIO_H__
#define __IDT_GPIO_H__
/*******************************************************************************
*
* Copyright 2002 Integrated Device Technology, Inc.
* All rights reserved.
*
* GPIO register definition.
*
* File : $Id: gpio.h,v 1.2 2002/06/06 18:34:04 astichte Exp $
*
* Author : ryan.holmQVist@idt.com
* Date : 20011005
* Update :
* $Log: gpio.h,v $
* Revision 1.2 2002/06/06 18:34:04 astichte
* Added XXX_PhysicalAddress and XXX_VirtualAddress
*
* Revision 1.1 2002/05/29 17:33:22 sysarch
* jba File moved from vcode/include/idt/acacia
*
*
******************************************************************************/
enum
{
GPIO0_PhysicalAddress = 0x18050000,
GPIO_PhysicalAddress = GPIO0_PhysicalAddress, // Default
GPIO0_VirtualAddress = 0xb8050000,
GPIO_VirtualAddress = GPIO0_VirtualAddress, // Default
} ;
typedef struct
{
u32 gpiofunc; /* GPIO Function Register
* gpiofunc[x]==0 bit = gpio
* func[x]==1 bit = altfunc
*/
u32 gpiocfg; /* GPIO Configuration Register
* gpiocfg[x]==0 bit = input
* gpiocfg[x]==1 bit = output
*/
u32 gpiod; /* GPIO Data Register
* gpiod[x] read/write gpio pinX status
*/
u32 gpioilevel; /* GPIO Interrupt Status Register
* interrupt level (see gpioistat)
*/
u32 gpioistat; /* Gpio Interrupt Status Register
* istat[x] = (gpiod[x] == level[x])
* cleared in ISR (STICKY bits)
*/
u32 gpionmien; /* GPIO Non-maskable Interrupt Enable Register */
} volatile * GPIO_t ;
typedef enum
{
GPIO_gpio_v = 0, // gpiofunc use pin as GPIO.
GPIO_alt_v = 1, // gpiofunc use pin as alt.
GPIO_input_v = 0, // gpiocfg use pin as input.
GPIO_output_v = 1, // gpiocfg use pin as output.
GPIO_pin0_b = 0,
GPIO_pin0_m = 0x00000001,
GPIO_pin1_b = 1,
GPIO_pin1_m = 0x00000002,
GPIO_pin2_b = 2,
GPIO_pin2_m = 0x00000004,
GPIO_pin3_b = 3,
GPIO_pin3_m = 0x00000008,
GPIO_pin4_b = 4,
GPIO_pin4_m = 0x00000010,
GPIO_pin5_b = 5,
GPIO_pin5_m = 0x00000020,
GPIO_pin6_b = 6,
GPIO_pin6_m = 0x00000040,
GPIO_pin7_b = 7,
GPIO_pin7_m = 0x00000080,
GPIO_pin8_b = 8,
GPIO_pin8_m = 0x00000100,
GPIO_pin9_b = 9,
GPIO_pin9_m = 0x00000200,
GPIO_pin10_b = 10,
GPIO_pin10_m = 0x00000400,
GPIO_pin11_b = 11,
GPIO_pin11_m = 0x00000800,
GPIO_pin12_b = 12,
GPIO_pin12_m = 0x00001000,
GPIO_pin13_b = 13,
GPIO_pin13_m = 0x00002000,
GPIO_pin14_b = 14,
GPIO_pin14_m = 0x00004000,
GPIO_pin15_b = 15,
GPIO_pin15_m = 0x00008000,
GPIO_pin16_b = 16,
GPIO_pin16_m = 0x00010000,
GPIO_pin17_b = 17,
GPIO_pin17_m = 0x00020000,
GPIO_pin18_b = 18,
GPIO_pin18_m = 0x00040000,
GPIO_pin19_b = 19,
GPIO_pin19_m = 0x00080000,
GPIO_pin20_b = 20,
GPIO_pin20_m = 0x00100000,
GPIO_pin21_b = 21,
GPIO_pin21_m = 0x00200000,
GPIO_pin22_b = 22,
GPIO_pin22_m = 0x00400000,
GPIO_pin23_b = 23,
GPIO_pin23_m = 0x00800000,
GPIO_pin24_b = 24,
GPIO_pin24_m = 0x01000000,
GPIO_pin25_b = 25,
GPIO_pin25_m = 0x02000000,
GPIO_pin26_b = 26,
GPIO_pin26_m = 0x04000000,
GPIO_pin27_b = 27,
GPIO_pin27_m = 0x08000000,
GPIO_pin28_b = 28,
GPIO_pin28_m = 0x10000000,
GPIO_pin29_b = 29,
GPIO_pin29_m = 0x20000000,
GPIO_pin30_b = 30,
GPIO_pin30_m = 0x40000000,
GPIO_pin31_b = 31,
GPIO_pin31_m = 0x80000000,
// Alternate function pins. Corrsponding gpiofunc bit set to GPIO_alt_v.
GPIO_u0sout_b = GPIO_pin0_b, // UART 0 serial out.
GPIO_u0sout_m = GPIO_pin0_m,
GPIO_u0sout_cfg_v = GPIO_output_v,
GPIO_u0sinp_b = GPIO_pin1_b, // UART 0 serial in.
GPIO_u0sinp_m = GPIO_pin1_m,
GPIO_u0sinp_cfg_v = GPIO_input_v,
GPIO_u0rtsn_b = GPIO_pin2_b, // UART 0 req. to send.
GPIO_u0rtsn_m = GPIO_pin2_m,
GPIO_u0rtsn_cfg_v = GPIO_output_v,
GPIO_u0ctsn_b = GPIO_pin3_b, // UART 0 clear to send.
GPIO_u0ctsn_m = GPIO_pin3_m,
GPIO_u0ctsn_cfg_v = GPIO_input_v,
GPIO_maddr22_b = GPIO_pin4_b, // M&P bus bit 22.
GPIO_maddr22_m = GPIO_pin4_m,
GPIO_maddr22_cfg_v = GPIO_output_v,
GPIO_maddr23_b = GPIO_pin5_b, // M&P bus bit 23.
GPIO_maddr23_m = GPIO_pin5_m,
GPIO_maddr23_cfg_v = GPIO_output_v,
GPIO_maddr24_b = GPIO_pin6_b, // M&P bus bit 24.
GPIO_maddr24_m = GPIO_pin6_m,
GPIO_maddr24_cfg_v = GPIO_output_v,
GPIO_maddr25_b = GPIO_pin7_b, // M&P bus bit 25.
GPIO_maddr25_m = GPIO_pin7_m,
GPIO_maddr25_cfg_v = GPIO_output_v,
GPIO_cpu_b = GPIO_pin8_b, // M&P bus bit 25.
GPIO_cpu_m = GPIO_pin8_m,
GPIO_cpu_cfg_v = GPIO_output_v,
GPIO_afspare6_b = GPIO_pin9_b, // reserved.
GPIO_afspare6_m = GPIO_pin9_m,
GPIO_afspare6_cfg_v = GPIO_input_v,
GPIO_afspare4_b = GPIO_pin10_b, // reserved.
GPIO_afspare4_m = GPIO_pin10_m,
GPIO_afspare4_cfg_v = GPIO_input_v,
GPIO_afspare3_b = GPIO_pin11_b, // reserved.
GPIO_afspare3_m = GPIO_pin11_m,
GPIO_afspare3_cfg_v = GPIO_input_v,
GPIO_afspare2_b = GPIO_pin12_b, // reserved.
GPIO_afspare2_m = GPIO_pin12_m,
GPIO_afspare2_cfg_v = GPIO_input_v,
GPIO_pcimuintn_b = GPIO_pin13_b, // PCI messaging int.
GPIO_pcimuintn_m = GPIO_pin13_m,
GPIO_pcimuintn_cfg_v = GPIO_output_v,
} GPIO_DEFS_t;
#endif // __IDT_GPIO_H__

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#ifndef __ASM_MACH_MIPS_IRQ_H
#define __ASM_MACH_MIPS_IRQ_H
#include <linux/autoconf.h>
#define NR_IRQS 256
#endif /* __ASM_MACH_MIPS_IRQ_H */

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/**************************************************************************
*
* BRIEF MODULE DESCRIPTION
* PCI register definitio
*
* Copyright 2004 IDT Inc. (rischelp@idt.com)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
**************************************************************************
* May 2004 rkt, neb.
*
* Initial Release
*
*
*
**************************************************************************
*/
#ifndef __IDT_PCI_H__
#define __IDT_PCI_H__
enum
{
PCI0_PhysicalAddress = 0x18080000,
PCI_PhysicalAddress = PCI0_PhysicalAddress,
PCI0_VirtualAddress = 0xB8080000,
PCI_VirtualAddress = PCI0_VirtualAddress,
} ;
enum
{
PCI_LbaCount = 4, // Local base addresses.
} ;
typedef struct
{
u32 a ; // Address.
u32 c ; // Control.
u32 m ; // mapping.
} PCI_Map_s ;
typedef struct
{
u32 pcic ;
u32 pcis ;
u32 pcism ;
u32 pcicfga ;
u32 pcicfgd ;
PCI_Map_s pcilba [PCI_LbaCount] ;
u32 pcidac ;
u32 pcidas ;
u32 pcidasm ;
u32 pcidad ;
u32 pcidma8c ;
u32 pcidma9c ;
u32 pcitc ;
} volatile *PCI_t ;
// PCI messaging unit.
enum
{
PCIM_Count = 2,
} ;
typedef struct
{
u32 pciim [PCIM_Count] ;
u32 pciom [PCIM_Count] ;
u32 pciid ;
u32 pciiic ;
u32 pciiim ;
u32 pciiod ;
u32 pciioic ;
u32 pciioim ;
} volatile *PCIM_t ;
/*******************************************************************************
*
* PCI Control Register
*
******************************************************************************/
enum
{
PCIC_en_b = 0,
PCIC_en_m = 0x00000001,
PCIC_tnr_b = 1,
PCIC_tnr_m = 0x00000002,
PCIC_sce_b = 2,
PCIC_sce_m = 0x00000004,
PCIC_ien_b = 3,
PCIC_ien_m = 0x00000008,
PCIC_aaa_b = 4,
PCIC_aaa_m = 0x00000010,
PCIC_eap_b = 5,
PCIC_eap_m = 0x00000020,
PCIC_pcim_b = 6,
PCIC_pcim_m = 0x000001c0,
PCIC_pcim_disabled_v = 0,
PCIC_pcim_tnr_v = 1, // Satellite - target not ready
PCIC_pcim_suspend_v = 2, // Satellite - suspended CPU.
PCIC_pcim_extern_v = 3, // Host - external arbiter.
PCIC_pcim_fixed_v = 4, // Host - fixed priority arb.
PCIC_pcim_roundrobin_v = 5, // Host - round robin priority.
PCIC_pcim_reserved6_v = 6,
PCIC_pcim_reserved7_v = 7,
PCIC_igm_b = 9,
PCIC_igm_m = 0x00000200,
} ;
/*******************************************************************************
*
* PCI Status Register
*
******************************************************************************/
enum {
PCIS_eed_b = 0,
PCIS_eed_m = 0x00000001,
PCIS_wr_b = 1,
PCIS_wr_m = 0x00000002,
PCIS_nmi_b = 2,
PCIS_nmi_m = 0x00000004,
PCIS_ii_b = 3,
PCIS_ii_m = 0x00000008,
PCIS_cwe_b = 4,
PCIS_cwe_m = 0x00000010,
PCIS_cre_b = 5,
PCIS_cre_m = 0x00000020,
PCIS_mdpe_b = 6,
PCIS_mdpe_m = 0x00000040,
PCIS_sta_b = 7,
PCIS_sta_m = 0x00000080,
PCIS_rta_b = 8,
PCIS_rta_m = 0x00000100,
PCIS_rma_b = 9,
PCIS_rma_m = 0x00000200,
PCIS_sse_b = 10,
PCIS_sse_m = 0x00000400,
PCIS_ose_b = 11,
PCIS_ose_m = 0x00000800,
PCIS_pe_b = 12,
PCIS_pe_m = 0x00001000,
PCIS_tae_b = 13,
PCIS_tae_m = 0x00002000,
PCIS_rle_b = 14,
PCIS_rle_m = 0x00004000,
PCIS_bme_b = 15,
PCIS_bme_m = 0x00008000,
PCIS_prd_b = 16,
PCIS_prd_m = 0x00010000,
PCIS_rip_b = 17,
PCIS_rip_m = 0x00020000,
} ;
/*******************************************************************************
*
* PCI Status Mask Register
*
******************************************************************************/
enum {
PCISM_eed_b = 0,
PCISM_eed_m = 0x00000001,
PCISM_wr_b = 1,
PCISM_wr_m = 0x00000002,
PCISM_nmi_b = 2,
PCISM_nmi_m = 0x00000004,
PCISM_ii_b = 3,
PCISM_ii_m = 0x00000008,
PCISM_cwe_b = 4,
PCISM_cwe_m = 0x00000010,
PCISM_cre_b = 5,
PCISM_cre_m = 0x00000020,
PCISM_mdpe_b = 6,
PCISM_mdpe_m = 0x00000040,
PCISM_sta_b = 7,
PCISM_sta_m = 0x00000080,
PCISM_rta_b = 8,
PCISM_rta_m = 0x00000100,
PCISM_rma_b = 9,
PCISM_rma_m = 0x00000200,
PCISM_sse_b = 10,
PCISM_sse_m = 0x00000400,
PCISM_ose_b = 11,
PCISM_ose_m = 0x00000800,
PCISM_pe_b = 12,
PCISM_pe_m = 0x00001000,
PCISM_tae_b = 13,
PCISM_tae_m = 0x00002000,
PCISM_rle_b = 14,
PCISM_rle_m = 0x00004000,
PCISM_bme_b = 15,
PCISM_bme_m = 0x00008000,
PCISM_prd_b = 16,
PCISM_prd_m = 0x00010000,
PCISM_rip_b = 17,
PCISM_rip_m = 0x00020000,
} ;
/*******************************************************************************
*
* PCI Configuration Address Register
*
******************************************************************************/
enum {
PCICFGA_reg_b = 2,
PCICFGA_reg_m = 0x000000fc,
PCICFGA_reg_id_v = 0x00>>2, //use PCFGID_
PCICFGA_reg_04_v = 0x04>>2, //use PCFG04_
PCICFGA_reg_08_v = 0x08>>2, //use PCFG08_
PCICFGA_reg_0C_v = 0x0C>>2, //use PCFG0C_
PCICFGA_reg_pba0_v = 0x10>>2, //use PCIPBA_
PCICFGA_reg_pba1_v = 0x14>>2, //use PCIPBA_
PCICFGA_reg_pba2_v = 0x18>>2, //use PCIPBA_
PCICFGA_reg_pba3_v = 0x1c>>2, //use PCIPBA_
PCICFGA_reg_subsystem_v = 0x2c>>2, //use PCFGSS_
PCICFGA_reg_3C_v = 0x3C>>2, //use PCFG3C_
PCICFGA_reg_pba0c_v = 0x44>>2, //use PCIPBAC_
PCICFGA_reg_pba0m_v = 0x48>>2,
PCICFGA_reg_pba1c_v = 0x4c>>2, //use PCIPBAC_
PCICFGA_reg_pba1m_v = 0x50>>2,
PCICFGA_reg_pba2c_v = 0x54>>2, //use PCIPBAC_
PCICFGA_reg_pba2m_v = 0x58>>2,
PCICFGA_reg_pba3c_v = 0x5c>>2, //use PCIPBAC_
PCICFGA_reg_pba3m_v = 0x60>>2,
PCICFGA_reg_pmgt_v = 0x64>>2,
PCICFGA_func_b = 8,
PCICFGA_func_m = 0x00000700,
PCICFGA_dev_b = 11,
PCICFGA_dev_m = 0x0000f800,
PCICFGA_dev_internal_v = 0,
PCICFGA_bus_b = 16,
PCICFGA_bus_m = 0x00ff0000,
PCICFGA_bus_type0_v = 0, //local bus
PCICFGA_en_b = 31, // read only
PCICFGA_en_m = 0x80000000,
} ;
enum {
PCFGID_vendor_b = 0,
PCFGID_vendor_m = 0x0000ffff,
PCFGID_vendor_IDT_v = 0x111d,
PCFGID_device_b = 16,
PCFGID_device_m = 0xffff0000,
PCFGID_device_Korinade_v = 0x0214,
PCFG04_command_ioena_b = 1,
PCFG04_command_ioena_m = 0x00000001,
PCFG04_command_memena_b = 2,
PCFG04_command_memena_m = 0x00000002,
PCFG04_command_bmena_b = 3,
PCFG04_command_bmena_m = 0x00000004,
PCFG04_command_mwinv_b = 5,
PCFG04_command_mwinv_m = 0x00000010,
PCFG04_command_parena_b = 7,
PCFG04_command_parena_m = 0x00000040,
PCFG04_command_serrena_b = 9,
PCFG04_command_serrena_m = 0x00000100,
PCFG04_command_fastbbena_b = 10,
PCFG04_command_fastbbena_m = 0x00000200,
PCFG04_status_b = 16,
PCFG04_status_m = 0xffff0000,
PCFG04_status_66MHz_b = 21, // 66 MHz enable
PCFG04_status_66MHz_m = 0x00200000,
PCFG04_status_fbb_b = 23,
PCFG04_status_fbb_m = 0x00800000,
PCFG04_status_mdpe_b = 24,
PCFG04_status_mdpe_m = 0x01000000,
PCFG04_status_dst_b = 25,
PCFG04_status_dst_m = 0x06000000,
PCFG04_status_sta_b = 27,
PCFG04_status_sta_m = 0x08000000,
PCFG04_status_rta_b = 28,
PCFG04_status_rta_m = 0x10000000,
PCFG04_status_rma_b = 29,
PCFG04_status_rma_m = 0x20000000,
PCFG04_status_sse_b = 30,
PCFG04_status_sse_m = 0x40000000,
PCFG04_status_pe_b = 31,
PCFG04_status_pe_m = 0x40000000,
PCFG08_revId_b = 0,
PCFG08_revId_m = 0x000000ff,
PCFG08_classCode_b = 0,
PCFG08_classCode_m = 0xffffff00,
PCFG08_classCode_bridge_v = 06,
PCFG08_classCode_proc_v = 0x0b3000, // processor-MIPS
PCFG0C_cacheline_b = 0,
PCFG0C_cacheline_m = 0x000000ff,
PCFG0C_masterLatency_b = 8,
PCFG0C_masterLatency_m = 0x0000ff00,
PCFG0C_headerType_b = 16,
PCFG0C_headerType_m = 0x00ff0000,
PCFG0C_bist_b = 24,
PCFG0C_bist_m = 0xff000000,
PCIPBA_msi_b = 0,
PCIPBA_msi_m = 0x00000001,
PCIPBA_p_b = 3,
PCIPBA_p_m = 0x00000004,
PCIPBA_baddr_b = 8,
PCIPBA_baddr_m = 0xffffff00,
PCFGSS_vendorId_b = 0,
PCFGSS_vendorId_m = 0x0000ffff,
PCFGSS_id_b = 16,
PCFGSS_id_m = 0xffff0000,
PCFG3C_interruptLine_b = 0,
PCFG3C_interruptLine_m = 0x000000ff,
PCFG3C_interruptPin_b = 8,
PCFG3C_interruptPin_m = 0x0000ff00,
PCFG3C_minGrant_b = 16,
PCFG3C_minGrant_m = 0x00ff0000,
PCFG3C_maxLat_b = 24,
PCFG3C_maxLat_m = 0xff000000,
PCIPBAC_msi_b = 0,
PCIPBAC_msi_m = 0x00000001,
PCIPBAC_p_b = 1,
PCIPBAC_p_m = 0x00000002,
PCIPBAC_size_b = 2,
PCIPBAC_size_m = 0x0000007c,
PCIPBAC_sb_b = 7,
PCIPBAC_sb_m = 0x00000080,
PCIPBAC_pp_b = 8,
PCIPBAC_pp_m = 0x00000100,
PCIPBAC_mr_b = 9,
PCIPBAC_mr_m = 0x00000600,
PCIPBAC_mr_read_v =0, //no prefetching
PCIPBAC_mr_readLine_v =1,
PCIPBAC_mr_readMult_v =2,
PCIPBAC_mrl_b = 11,
PCIPBAC_mrl_m = 0x00000800,
PCIPBAC_mrm_b = 12,
PCIPBAC_mrm_m = 0x00001000,
PCIPBAC_trp_b = 13,
PCIPBAC_trp_m = 0x00002000,
PCFG40_trdyTimeout_b = 0,
PCFG40_trdyTimeout_m = 0x000000ff,
PCFG40_retryLim_b = 8,
PCFG40_retryLim_m = 0x0000ff00,
};
/*******************************************************************************
*
* PCI Local Base Address [0|1|2|3] Register
*
******************************************************************************/
enum {
PCILBA_baddr_b = 0, // In PCI_t -> pcilba [] .a
PCILBA_baddr_m = 0xffffff00,
} ;
/*******************************************************************************
*
* PCI Local Base Address Control Register
*
******************************************************************************/
enum {
PCILBAC_msi_b = 0, // In pPci->pcilba[i].c
PCILBAC_msi_m = 0x00000001,
PCILBAC_msi_mem_v = 0,
PCILBAC_msi_io_v = 1,
PCILBAC_size_b = 2, // In pPci->pcilba[i].c
PCILBAC_size_m = 0x0000007c,
PCILBAC_sb_b = 7, // In pPci->pcilba[i].c
PCILBAC_sb_m = 0x00000080,
PCILBAC_rt_b = 8, // In pPci->pcilba[i].c
PCILBAC_rt_m = 0x00000100,
PCILBAC_rt_noprefetch_v = 0, // mem read
PCILBAC_rt_prefetch_v = 1, // mem readline
} ;
/*******************************************************************************
*
* PCI Local Base Address [0|1|2|3] Mapping Register
*
******************************************************************************/
enum {
PCILBAM_maddr_b = 8,
PCILBAM_maddr_m = 0xffffff00,
} ;
/*******************************************************************************
*
* PCI Decoupled Access Control Register
*
******************************************************************************/
enum {
PCIDAC_den_b = 0,
PCIDAC_den_m = 0x00000001,
} ;
/*******************************************************************************
*
* PCI Decoupled Access Status Register
*
******************************************************************************/
enum {
PCIDAS_d_b = 0,
PCIDAS_d_m = 0x00000001,
PCIDAS_b_b = 1,
PCIDAS_b_m = 0x00000002,
PCIDAS_e_b = 2,
PCIDAS_e_m = 0x00000004,
PCIDAS_ofe_b = 3,
PCIDAS_ofe_m = 0x00000008,
PCIDAS_off_b = 4,
PCIDAS_off_m = 0x00000010,
PCIDAS_ife_b = 5,
PCIDAS_ife_m = 0x00000020,
PCIDAS_iff_b = 6,
PCIDAS_iff_m = 0x00000040,
} ;
/*******************************************************************************
*
* PCI DMA Channel 8 Configuration Register
*
******************************************************************************/
enum
{
PCIDMA8C_mbs_b = 0, // Maximum Burst Size.
PCIDMA8C_mbs_m = 0x00000fff, // { pcidma8c }
PCIDMA8C_our_b = 12, // Optimize Unaligned Burst Reads.
PCIDMA8C_our_m = 0x00001000, // { pcidma8c }
} ;
/*******************************************************************************
*
* PCI DMA Channel 9 Configuration Register
*
******************************************************************************/
enum
{
PCIDMA9C_mbs_b = 0, // Maximum Burst Size.
PCIDMA9C_mbs_m = 0x00000fff, // { pcidma9c }
} ;
/*******************************************************************************
*
* PCI to Memory(DMA Channel 8) AND Memory to PCI DMA(DMA Channel 9)Descriptors
*
******************************************************************************/
enum {
PCIDMAD_pt_b = 22, // in DEVCMD field (descriptor)
PCIDMAD_pt_m = 0x00c00000, // preferred transaction field
// These are for reads (DMA channel 8)
PCIDMAD_devcmd_mr_v = 0, //memory read
PCIDMAD_devcmd_mrl_v = 1, //memory read line
PCIDMAD_devcmd_mrm_v = 2, //memory read multiple
PCIDMAD_devcmd_ior_v = 3, //I/O read
// These are for writes (DMA channel 9)
PCIDMAD_devcmd_mw_v = 0, //memory write
PCIDMAD_devcmd_mwi_v = 1, //memory write invalidate
PCIDMAD_devcmd_iow_v = 3, //I/O write
// Swap byte field applies to both DMA channel 8 and 9
PCIDMAD_sb_b = 24, // in DEVCMD field (descriptor)
PCIDMAD_sb_m = 0x01000000, // swap byte field
} ;
/*******************************************************************************
*
* PCI Target Control Register
*
******************************************************************************/
enum
{
PCITC_rtimer_b = 0, // In PCITC_t -> pcitc
PCITC_rtimer_m = 0x000000ff,
PCITC_dtimer_b = 8, // In PCITC_t -> pcitc
PCITC_dtimer_m = 0x0000ff00,
PCITC_rdr_b = 18, // In PCITC_t -> pcitc
PCITC_rdr_m = 0x00040000,
PCITC_ddt_b = 19, // In PCITC_t -> pcitc
PCITC_ddt_m = 0x00080000,
} ;
/*******************************************************************************
*
* PCI messaging unit [applies to both inbound and outbound registers ]
*
******************************************************************************/
enum
{
PCIM_m0_b = 0, // In PCIM_t -> {pci{iic,iim,ioic,ioim}}
PCIM_m0_m = 0x00000001, // inbound or outbound message 0
PCIM_m1_b = 1, // In PCIM_t -> {pci{iic,iim,ioic,ioim}}
PCIM_m1_m = 0x00000002, // inbound or outbound message 1
PCIM_db_b = 2, // In PCIM_t -> {pci{iic,iim,ioic,ioim}}
PCIM_db_m = 0x00000004, // inbound or outbound doorbell
};
#define PCI_MSG_VirtualAddress 0xB8088010
#define rc32434_pci ((volatile PCI_t) PCI0_VirtualAddress)
#define rc32434_pci_msg ((volatile PCIM_t) PCI_MSG_VirtualAddress)
#define PCIM_SHFT 0x6
#define PCIM_BIT_LEN 0x7
#define PCIM_H_EA 0x3
#define PCIM_H_IA_FIX 0x4
#define PCIM_H_IA_RR 0x5
#define PCI_ADDR_START 0x50000000
#define CPUTOPCI_MEM_WIN 0x02000000
#define CPUTOPCI_IO_WIN 0x00100000
#define PCILBA_SIZE_SHFT 2
#define PCILBA_SIZE_MASK 0x1F
#define SIZE_256MB 0x1C
#define SIZE_128MB 0x1B
#define SIZE_64MB 0x1A
#define SIZE_32MB 0x19
#define SIZE_16MB 0x18
#define SIZE_4MB 0x16
#define SIZE_2MB 0x15
#define SIZE_1MB 0x14
#define KORINA_CONFIG0_ADDR 0x80000000
#define KORINA_CONFIG1_ADDR 0x80000004
#define KORINA_CONFIG2_ADDR 0x80000008
#define KORINA_CONFIG3_ADDR 0x8000000C
#define KORINA_CONFIG4_ADDR 0x80000010
#define KORINA_CONFIG5_ADDR 0x80000014
#define KORINA_CONFIG6_ADDR 0x80000018
#define KORINA_CONFIG7_ADDR 0x8000001C
#define KORINA_CONFIG8_ADDR 0x80000020
#define KORINA_CONFIG9_ADDR 0x80000024
#define KORINA_CONFIG10_ADDR 0x80000028
#define KORINA_CONFIG11_ADDR 0x8000002C
#define KORINA_CONFIG12_ADDR 0x80000030
#define KORINA_CONFIG13_ADDR 0x80000034
#define KORINA_CONFIG14_ADDR 0x80000038
#define KORINA_CONFIG15_ADDR 0x8000003C
#define KORINA_CONFIG16_ADDR 0x80000040
#define KORINA_CONFIG17_ADDR 0x80000044
#define KORINA_CONFIG18_ADDR 0x80000048
#define KORINA_CONFIG19_ADDR 0x8000004C
#define KORINA_CONFIG20_ADDR 0x80000050
#define KORINA_CONFIG21_ADDR 0x80000054
#define KORINA_CONFIG22_ADDR 0x80000058
#define KORINA_CONFIG23_ADDR 0x8000005C
#define KORINA_CONFIG24_ADDR 0x80000060
#define KORINA_CONFIG25_ADDR 0x80000064
#define KORINA_CMD (PCFG04_command_ioena_m | \
PCFG04_command_memena_m | \
PCFG04_command_bmena_m | \
PCFG04_command_mwinv_m | \
PCFG04_command_parena_m | \
PCFG04_command_serrena_m )
#define KORINA_STAT (PCFG04_status_mdpe_m | \
PCFG04_status_sta_m | \
PCFG04_status_rta_m | \
PCFG04_status_rma_m | \
PCFG04_status_sse_m | \
PCFG04_status_pe_m)
#define KORINA_CNFG1 ((KORINA_STAT<<16)|KORINA_CMD)
#define KORINA_REVID 0
#define KORINA_CLASS_CODE 0
#define KORINA_CNFG2 ((KORINA_CLASS_CODE<<8) | \
KORINA_REVID)
#define KORINA_CACHE_LINE_SIZE 4
#define KORINA_MASTER_LAT 0x3c
#define KORINA_HEADER_TYPE 0
#define KORINA_BIST 0
#define KORINA_CNFG3 ((KORINA_BIST << 24) | \
(KORINA_HEADER_TYPE<<16) | \
(KORINA_MASTER_LAT<<8) | \
KORINA_CACHE_LINE_SIZE )
#define KORINA_BAR0 0x00000008 /* 128 MB Memory */
#define KORINA_BAR1 0x18800001 /* 1 MB IO */
#define KORINA_BAR2 0x18000001 /* 2 MB IO window for Korina
internal Registers */
#define KORINA_BAR3 0x48000008 /* Spare 128 MB Memory */
#define KORINA_CNFG4 KORINA_BAR0
#define KORINA_CNFG5 KORINA_BAR1
#define KORINA_CNFG6 KORINA_BAR2
#define KORINA_CNFG7 KORINA_BAR3
#define KORINA_SUBSYS_VENDOR_ID 0x011d
#define KORINA_SUBSYSTEM_ID 0x0214
#define KORINA_CNFG8 0
#define KORINA_CNFG9 0
#define KORINA_CNFG10 0
#define KORINA_CNFG11 ((KORINA_SUBSYS_VENDOR_ID<<16) | \
KORINA_SUBSYSTEM_ID)
#define KORINA_INT_LINE 1
#define KORINA_INT_PIN 1
#define KORINA_MIN_GNT 8
#define KORINA_MAX_LAT 0x38
#define KORINA_CNFG12 0
#define KORINA_CNFG13 0
#define KORINA_CNFG14 0
#define KORINA_CNFG15 ((KORINA_MAX_LAT<<24) | \
(KORINA_MIN_GNT<<16) | \
(KORINA_INT_PIN<<8) | \
KORINA_INT_LINE)
#define KORINA_RETRY_LIMIT 0x80
#define KORINA_TRDY_LIMIT 0x80
#define KORINA_CNFG16 ((KORINA_RETRY_LIMIT<<8) | \
KORINA_TRDY_LIMIT)
#define PCI_PBAxC_R 0x0
#define PCI_PBAxC_RL 0x1
#define PCI_PBAxC_RM 0x2
#define SIZE_SHFT 2
#if defined(__MIPSEB__)
#define KORINA_PBA0C ( PCIPBAC_mrl_m | PCIPBAC_sb_m | \
((PCI_PBAxC_RM &0x3) << PCIPBAC_mr_b) | \
PCIPBAC_pp_m | \
(SIZE_128MB<<SIZE_SHFT) | \
PCIPBAC_p_m)
#else
#define KORINA_PBA0C ( PCIPBAC_mrl_m | \
((PCI_PBAxC_RM &0x3) << PCIPBAC_mr_b) | \
PCIPBAC_pp_m | \
(SIZE_128MB<<SIZE_SHFT) | \
PCIPBAC_p_m)
#endif
#define KORINA_CNFG17 KORINA_PBA0C
#define KORINA_PBA0M 0x0
#define KORINA_CNFG18 KORINA_PBA0M
#if defined(__MIPSEB__)
#define KORINA_PBA1C ((SIZE_1MB<<SIZE_SHFT) | PCIPBAC_sb_m | \
PCIPBAC_msi_m)
#else
#define KORINA_PBA1C ((SIZE_1MB<<SIZE_SHFT) | \
PCIPBAC_msi_m)
#endif
#define KORINA_CNFG19 KORINA_PBA1C
#define KORINA_PBA1M 0x0
#define KORINA_CNFG20 KORINA_PBA1M
#if defined(__MIPSEB__)
#define KORINA_PBA2C ((SIZE_2MB<<SIZE_SHFT) | PCIPBAC_sb_m | \
PCIPBAC_msi_m)
#else
#define KORINA_PBA2C ((SIZE_2MB<<SIZE_SHFT) | \
PCIPBAC_msi_m)
#endif
#define KORINA_CNFG21 KORINA_PBA2C
#define KORINA_PBA2M 0x18000000
#define KORINA_CNFG22 KORINA_PBA2M
#define KORINA_PBA3C 0
#define KORINA_CNFG23 KORINA_PBA3C
#define KORINA_PBA3M 0
#define KORINA_CNFG24 KORINA_PBA3M
#define PCITC_DTIMER_VAL 8
#define PCITC_RTIMER_VAL 0x10
#endif // __IDT_PCI_H__

84
target/linux/rb532-2.6/files/include/asm-mips/rc32434/rb.h Normal file
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@ -0,0 +1,84 @@
/*
* Copyright (C) 2004 IDT Inc.
* Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef __MIPS_RB_H__
#define __MIPS_RB_H__
#include <linux/genhd.h>
#define IDT434_REG_BASE ((volatile void *) KSEG1ADDR(0x18000000))
#define DEV0BASE 0x010000
#define DEV0MASK 0x010004
#define DEV0C 0x010008
#define DEV0TC 0x01000C
#define DEV1BASE 0x010010
#define DEV1MASK 0x010014
#define DEV1C 0x010018
#define DEV1TC 0x01001C
#define DEV2BASE 0x010020
#define DEV2MASK 0x010024
#define DEV2C 0x010028
#define DEV2TC 0x01002C
#define DEV3BASE 0x010030
#define DEV3MASK 0x010034
#define DEV3C 0x010038
#define DEV3TC 0x01003C
#define BTCS 0x010040
#define BTCOMPARE 0x010044
#define GPIOFUNC 0x050000
#define GPIOCFG 0x050004
#define GPIOD 0x050008
#define GPIOILEVEL 0x05000C
#define GPIOISTAT 0x050010
#define GPIONMIEN 0x050014
#define IMASK6 0x038038
#define LO_WPX (1 << 0)
#define LO_ALE (1 << 1)
#define LO_CLE (1 << 2)
#define LO_CEX (1 << 3)
#define LO_FOFF (1 << 5)
#define LO_SPICS (1 << 6)
#define LO_ULED (1 << 7)
typedef enum {
FUNC = 0x00,
CFG = 0x04,
DATA = 0x08,
ILEVEL = 0x0c,
ISTAT = 0x10,
NMIEN = 0x14
} gpio_func;
extern void changeLatchU5(unsigned char orMask, unsigned char nandMask);
extern unsigned get434Reg(unsigned regOffs);
extern void set434Reg(unsigned regOffs, unsigned bit, unsigned len, unsigned val);
extern void gpio_set(gpio_func func, u32 mask, u32 value);
extern u32 gpio_get(gpio_func func);
#define get434Reg(x) (*(volatile unsigned *) (IDT434_REG_BASE + (x)))
struct korina_device {
char *name;
unsigned char mac[6];
struct net_device *dev;
};
struct cf_device {
int gpio_pin;
void *dev;
struct gendisk *gd;
};
#endif

122
target/linux/rb532-2.6/files/include/asm-mips/rc32434/rc32434.h Normal file
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@ -0,0 +1,122 @@
/*
***************************************************************************
* Definitions for IDT RC323434 CPU.
*
****************************************************************************
* Kiran Rao
*
* Original form
****************************************************************************
* P. Sadik Oct 08, 2003
*
* Started revision history
* Made IDT_BUS_FREQ a kernel configuration parameter
****************************************************************************
* P. Sadik Oct 10, 2003
*
* Removed IDT_BUS_FREQ, since this parameter is no longer required. Instead
* idt_cpu_freq is used everywhere
****************************************************************************
* P. Sadik Oct 20, 2003
*
* Removed RC32434_BASE_BAUD
****************************************************************************
*/
#ifndef _RC32434_H_
#define _RC32434_H_
#include <linux/autoconf.h>
#include <linux/delay.h>
#include <asm/io.h>
#define RC32434_REG_BASE 0x18000000
#define interrupt ((volatile INT_t ) INT0_VirtualAddress)
#define gpio ((volatile GPIO_t) GPIO0_VirtualAddress)
#define IDT_CLOCK_MULT 2
#define MIPS_CPU_TIMER_IRQ 7
/* Interrupt Controller */
#define IC_GROUP0_PEND (RC32434_REG_BASE + 0x38000)
#define IC_GROUP0_MASK (RC32434_REG_BASE + 0x38008)
#define IC_GROUP_OFFSET 0x0C
#define NUM_INTR_GROUPS 5
/* 16550 UARTs */
#define GROUP0_IRQ_BASE 8 /* GRP2 IRQ numbers start here */
#define GROUP1_IRQ_BASE (GROUP0_IRQ_BASE + 32) /* GRP3 IRQ numbers start here */
#define GROUP2_IRQ_BASE (GROUP1_IRQ_BASE + 32) /* GRP4 IRQ numbers start here */
#define GROUP3_IRQ_BASE (GROUP2_IRQ_BASE + 32) /* GRP5 IRQ numbers start here */
#define GROUP4_IRQ_BASE (GROUP3_IRQ_BASE + 32)
#ifdef __MIPSEB__
#define RC32434_UART0_BASE (RC32434_REG_BASE + 0x58003)
#else
#define RC32434_UART0_BASE (RC32434_REG_BASE + 0x58000)
#endif
#define RC32434_UART0_IRQ GROUP3_IRQ_BASE + 0
// #define EB434_UART1_IRQ GROUP4_IRQ_BASE + 11
#define local_readl(addr) __raw_readl(addr)
#define local_writel(l,addr) __raw_writel(l,addr)
/* cpu pipeline flush */
static inline void rc32434_sync(void)
{
__asm__ volatile ("sync");
}
static inline void rc32434_sync_udelay(int us)
{
__asm__ volatile ("sync");
udelay(us);
}
static inline void rc32434_sync_delay(int ms)
{
__asm__ volatile ("sync");
mdelay(ms);
}
/*
* C access to CLZ and CLO instructions
* (count leading zeroes/ones).
*/
static inline int rc32434_clz(unsigned long val)
{
int ret;
__asm__ volatile (
".set\tnoreorder\n\t"
".set\tnoat\n\t"
".set\tmips32\n\t"
"clz\t%0,%1\n\t"
".set\tmips0\n\t"
".set\tat\n\t"
".set\treorder"
: "=r" (ret)
: "r" (val));
return ret;
}
static inline int rc32434_clo(unsigned long val)
{
int ret;
__asm__ volatile (
".set\tnoreorder\n\t"
".set\tnoat\n\t"
".set\tmips32\n\t"
"clo\t%0,%1\n\t"
".set\tmips0\n\t"
".set\tat\n\t"
".set\treorder"
: "=r" (ret)
: "r" (val));
return ret;
}
#endif /* _RC32434_H_ */

3415
target/linux/rb532-2.6/patches/100-rb5xx_support.patch
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File diff suppressed because it is too large Load Diff

1347
target/linux/rb532-2.6/patches/110-korina_ethernet.patch
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File diff suppressed because it is too large Load Diff

987
target/linux/rb532-2.6/patches/120-cf.patch
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@ -23,989 +23,4 @@ diff -urN linux.old/drivers/block/Makefile linux.dev/drivers/block/Makefile
obj-$(CONFIG_BLK_DEV_UB) += ub.o obj-$(CONFIG_BLK_DEV_UB) += ub.o
+obj-$(CONFIG_BLK_DEV_CF_MIPS) += rb500/ +obj-$(CONFIG_BLK_DEV_CF_MIPS) += rb500/
diff -urN linux.old/drivers/block/rb500/ata.c linux.dev/drivers/block/rb500/ata.c
--- linux.old/drivers/block/rb500/ata.c 1970-01-01 01:00:00.000000000 +0100
+++ linux.dev/drivers/block/rb500/ata.c 2006-10-26 00:11:14.000000000 +0200
@@ -0,0 +1,485 @@
+/* CF-mips driver
+ This is a block driver for the direct (mmaped) interface to the CF-slot,
+ found in Routerboard.com's RB532 board
+ See SDK provided from routerboard.com.
+
+ Module adapted By P.Christeas <p_christeas@yahoo.com>, 2005-6.
+ Cleaned up and adapted to platform_device by Felix Fietkau <nbd@openwrt.org>
+
+ This work is redistributed under the terms of the GNU General Public License.
+*/
+
+#include <linux/kernel.h> /* printk() */
+#include <linux/module.h> /* module to be loadable */
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/pci.h>
+#include <linux/ioport.h> /* request_mem_region() */
+#include <asm/unaligned.h> /* ioremap() */
+#include <asm/io.h> /* ioremap() */
+#include <asm/rc32434/rb.h>
+
+#include "ata.h"
+
+#define REQUEST_MEM_REGION 0
+#define DEBUG 1
+
+#if DEBUG
+#define DEBUGP printk
+#else
+#define DEBUGP(format, args...)
+#endif
+
+#define SECS 1000000 /* unit for wait_not_busy() is 1us */
+
+unsigned cf_head = 0;
+unsigned cf_cyl = 0;
+unsigned cf_spt = 0;
+unsigned cf_sectors = 0;
+static unsigned cf_block_size = 1;
+static void *baddr = 0;
+
+#define DBUF32 ((volatile u32 *)((unsigned long)dev->baddr | ATA_DBUF_OFFSET))
+
+
+static void cf_do_tasklet(unsigned long dev_l);
+
+
+static inline void wareg(u8 val, unsigned reg, struct cf_mips_dev* dev)
+{
+ writeb(val, dev->baddr + ATA_REG_OFFSET + reg);
+}
+
+static inline u8 rareg(unsigned reg, struct cf_mips_dev* dev)
+{
+ return readb(dev->baddr + ATA_REG_OFFSET + reg);
+}
+
+static inline int get_gpio_bit(gpio_func ofs, struct cf_mips_dev *dev)
+{
+ return (gpio_get(ofs) >> dev->pin) & 1;
+}
+
+static inline void set_gpio_bit(int bit, gpio_func ofs, struct cf_mips_dev *dev)
+{
+ gpio_set(ofs, (1 << dev->pin), ((bit & 1) << dev->pin));
+}
+
+static inline int cfrdy(struct cf_mips_dev *dev)
+{
+ return get_gpio_bit(DATA, dev);
+}
+
+static inline void prepare_cf_irq(struct cf_mips_dev *dev)
+{
+ set_gpio_bit(1, ILEVEL, dev); /* interrupt on cf ready (not busy) */
+ set_gpio_bit(0, ISTAT, dev); /* clear interrupt status */
+}
+
+static inline int cf_present(struct cf_mips_dev* dev)
+{
+ /* TODO: read and configure CIS into memory mapped mode
+ * TODO: parse CISTPL_CONFIG on CF+ cards to get base address (0x200)
+ * TODO: maybe adjust power saving setting for Hitachi Microdrive
+ */
+ int i;
+
+ /* setup CFRDY GPIO as input */
+ set_gpio_bit(0, FUNC, dev);
+ set_gpio_bit(0, CFG, dev);
+
+ for (i = 0; i < 0x10; ++i) {
+ if (rareg(i,dev) != 0xff)
+ return 1;
+ }
+ return 0;
+}
+
+static inline int is_busy(struct cf_mips_dev *dev)
+{
+ return !cfrdy(dev);
+}
+
+static int wait_not_busy(int to_us, int wait_for_busy,struct cf_mips_dev *dev)
+{
+ int us_passed = 0;
+ if (wait_for_busy && !is_busy(dev)) {
+ /* busy must appear within 400ns,
+ * but it may dissapear before we see it
+ * => must not wait for busy in a loop
+ */
+ ndelay(400);
+ }
+
+ do {
+ if (us_passed)
+ udelay(1); /* never reached in async mode */
+ if (!is_busy(dev)) {
+ if (us_passed > 1 * SECS) {
+ printk(KERN_WARNING "cf-mips: not busy ok (after %dus)"
+ ", status 0x%02x\n", us_passed, (unsigned) rareg(ATA_REG_ST,dev));
+ }
+ return CF_TRANS_OK;
+ }
+ if (us_passed == 1 * SECS) {
+ printk(KERN_WARNING "cf-mips: wait not busy %dus..\n", to_us);
+ }
+ if (dev->async_mode) {
+ dev->to_timer.expires = jiffies + (to_us * HZ / SECS);
+ dev->irq_enable_time = jiffies;
+ prepare_cf_irq(dev);
+ if (is_busy(dev)) {
+ add_timer(&dev->to_timer);
+ enable_irq(dev->irq);
+ return CF_TRANS_IN_PROGRESS;
+ }
+ continue;
+ }
+ ++us_passed;
+ } while (us_passed < to_us);
+
+ printk(KERN_ERR "cf-mips: wait not busy timeout (%dus)"
+ ", status 0x%02x, state %d\n",
+ to_us, (unsigned) rareg(ATA_REG_ST,dev), dev->tstate);
+ return CF_TRANS_FAILED;
+}
+
+static irqreturn_t cf_irq_handler(int irq, void *dev_id)
+{
+ /* While tasklet has not disabled irq, irq will be retried all the time
+ * because of ILEVEL matching GPIO pin status => deadlock.
+ * To avoid this, we change ILEVEL to 0.
+ */
+ struct cf_mips_dev *dev=dev_id;
+
+ set_gpio_bit(0, ILEVEL, dev);
+ set_gpio_bit(0, ISTAT, dev);
+
+ del_timer(&dev->to_timer);
+ tasklet_schedule(&dev->tasklet);
+ return IRQ_HANDLED;
+}
+
+static int do_reset(struct cf_mips_dev *dev)
+{
+ printk(KERN_INFO "cf-mips: resetting..\n");
+
+ wareg(ATA_REG_DC_SRST, ATA_REG_DC,dev);
+ udelay(1); /* FIXME: how long should we wait here? */
+ wareg(0, ATA_REG_DC,dev);
+
+ return wait_not_busy(30 * SECS, 1,dev);
+}
+
+static int set_multiple(struct cf_mips_dev *dev)
+{
+ if (dev->block_size <= 1)
+ return CF_TRANS_OK;
+
+ wareg(dev->block_size, ATA_REG_SC,dev);
+ wareg(ATA_REG_DH_BASE | ATA_REG_DH_LBA, ATA_REG_DH,dev);
+ wareg(ATA_CMD_SET_MULTIPLE, ATA_REG_CMD,dev);
+
+ return wait_not_busy(10 * SECS, 1,dev);
+}
+
+static int set_cmd(struct cf_mips_dev *dev)
+{
+ //DEBUGP(KERN_INFO "cf-mips: ata cmd 0x%02x\n", dev->tcmd);
+ // sector_count should be <=24 bits..
+ BUG_ON(dev->tsect_start>=0x10000000);
+ // This way, it addresses 2^24 * 512 = 128G
+
+ if (dev->tsector_count) {
+ wareg(dev->tsector_count & 0xff, ATA_REG_SC,dev);
+ wareg(dev->tsect_start & 0xff, ATA_REG_SN,dev);
+ wareg((dev->tsect_start >> 8) & 0xff, ATA_REG_CL,dev);
+ wareg((dev->tsect_start >> 16) & 0xff, ATA_REG_CH,dev);
+ }
+ wareg(((dev->tsect_start >> 24) & 0x0f) | ATA_REG_DH_BASE | ATA_REG_DH_LBA,
+ ATA_REG_DH,dev); /* select drive on all commands */
+ wareg(dev->tcmd, ATA_REG_CMD,dev);
+ return wait_not_busy(10 * SECS, 1,dev);
+}
+
+static int do_trans(struct cf_mips_dev *dev)
+{
+ int res;
+ unsigned st;
+ int transfered;
+
+ //printk("do_trans: %d sectors left\n",dev->tsectors_left);
+ while (dev->tsectors_left) {
+ transfered = 0;
+
+ st = rareg(ATA_REG_ST,dev);
+ if (!(st & ATA_REG_ST_DRQ)) {
+ printk(KERN_ERR "cf-mips: do_trans without DRQ (status 0x%x)!\n", st);
+ if (st & ATA_REG_ST_ERR) {
+ int errId = rareg(ATA_REG_ERR,dev);
+ printk(KERN_ERR "cf-mips: %s error, status 0x%x, errid 0x%x\n",
+ (dev->tread ? "read" : "write"), st, errId);
+ }
+ return CF_TRANS_FAILED;
+ }
+ do { /* Fill/read the buffer one block */
+ u32 *qbuf, *qend;
+ qbuf = (u32 *)dev->tbuf;
+ qend = qbuf + CF_SECT_SIZE / sizeof(u32);
+ if (dev->tread) {
+ while (qbuf!=qend)
+ put_unaligned(*DBUF32,qbuf++);
+ //*(qbuf++) = *DBUF32;
+ }
+ else {
+ while(qbuf!=qend)
+ *DBUF32 = get_unaligned(qbuf++);
+ }
+
+ dev->tsectors_left--;
+ dev->tbuf += CF_SECT_SIZE;
+ dev->tbuf_size -= CF_SECT_SIZE;
+ transfered++;
+ } while (transfered != dev->block_size && dev->tsectors_left > 0);
+
+ res = wait_not_busy(10 * SECS, 1,dev);
+ if (res != CF_TRANS_OK)
+ return res;
+ };
+
+ st = rareg(ATA_REG_ST,dev);
+ if (st & (ATA_REG_ST_DRQ | ATA_REG_ST_DWF | ATA_REG_ST_ERR)) {
+ if (st & ATA_REG_ST_DRQ) {
+ printk(KERN_ERR "cf-mips: DRQ after all %d sectors are %s"
+ ", status 0x%x\n", dev->tsector_count, (dev->tread ? "read" : "written"), st);
+ } else if (st & ATA_REG_ST_DWF) {
+ printk(KERN_ERR "cf-mips: write fault, status 0x%x\n", st);
+ } else {
+ int errId = rareg(ATA_REG_ERR,dev);
+ printk(KERN_ERR "cf-mips: %s error, status 0x%x, errid 0x%x\n",
+ (dev->tread ? "read" : "write"), st, errId);
+ }
+ return CF_TRANS_FAILED;
+ }
+ return CF_TRANS_OK;
+}
+
+static int cf_do_state(struct cf_mips_dev *dev)
+{
+ int res;
+ switch (dev->tstate) { /* fall through everywhere */
+ case TS_IDLE:
+ dev->tstate = TS_READY;
+ if (is_busy(dev)) {
+ dev->tstate = TS_AFTER_RESET;
+ res = do_reset(dev);
+ if (res != CF_TRANS_OK)
+ break;
+ }
+ case TS_AFTER_RESET:
+ if (dev->tstate == TS_AFTER_RESET) {
+ dev->tstate = TS_READY;
+ res = set_multiple(dev);
+ if (res != CF_TRANS_OK)
+ break;
+ }
+ case TS_READY:
+ dev->tstate = TS_CMD;
+ res = set_cmd(dev);
+ if (res != CF_TRANS_OK)
+ break;;
+ case TS_CMD:
+ dev->tstate = TS_TRANS;
+ case TS_TRANS:
+ res = do_trans(dev);
+ break;
+ default:
+ printk(KERN_ERR "cf-mips: BUG: unknown tstate %d\n", dev->tstate);
+ return CF_TRANS_FAILED;
+ }
+ if (res != CF_TRANS_IN_PROGRESS)
+ dev->tstate = TS_IDLE;
+ return res;
+}
+
+static void cf_do_tasklet(unsigned long dev_l)
+{
+ struct cf_mips_dev* dev=(struct cf_mips_dev*) dev_l;
+ int res;
+
+ disable_irq(dev->irq);
+
+ if (dev->tstate == TS_IDLE)
+ return; /* can happen when irq is first registered */
+
+#if 0
+ DEBUGP(KERN_WARNING "cf-mips: not busy ok (tasklet) status 0x%02x\n",
+ (unsigned) rareg(ATA_REG_ST,dev));
+#endif
+
+ res = cf_do_state(dev);
+ if (res == CF_TRANS_IN_PROGRESS)
+ return;
+ cf_async_trans_done(dev,res);
+}
+
+static void cf_async_timeout(unsigned long dev_l)
+{
+ struct cf_mips_dev* dev=(struct cf_mips_dev*) dev_l;
+ disable_irq(dev->irq);
+ /* Perhaps send abort to the device? */
+ printk(KERN_ERR "cf-mips: wait not busy timeout (%lus)"
+ ", status 0x%02x, state %d\n",
+ jiffies - dev->irq_enable_time, (unsigned) rareg(ATA_REG_ST,dev), dev->tstate);
+ dev->tstate = TS_IDLE;
+ cf_async_trans_done(dev,CF_TRANS_FAILED);
+}
+
+int cf_do_transfer(struct cf_mips_dev* dev,sector_t sector, unsigned long nsect,
+ char* buffer, int is_write)
+{
+ BUG_ON(dev->tstate!=TS_IDLE);
+ if (nsect > ATA_MAX_SECT_PER_CMD) {
+ printk(KERN_WARNING "cf-mips: sector count %lu out of range\n",nsect);
+ return CF_TRANS_FAILED;
+ }
+ if (sector + nsect > dev->sectors) {
+ printk(KERN_WARNING "cf-mips: sector %lu out of range\n",sector);
+ return CF_TRANS_FAILED;
+ }
+ dev->tbuf = buffer;
+ dev->tbuf_size = nsect*512;
+ dev->tsect_start = sector;
+ dev->tsector_count = nsect;
+ dev->tsectors_left = dev->tsector_count;
+ dev->tread = (is_write)?0:1;
+
+ dev->tcmd = (dev->block_size == 1 ?
+ (is_write ? ATA_CMD_WRITE_SECTORS : ATA_CMD_READ_SECTORS) :
+ (is_write ? ATA_CMD_WRITE_MULTIPLE : ATA_CMD_READ_MULTIPLE));
+
+ return cf_do_state(dev);
+}
+
+static int do_identify(struct cf_mips_dev *dev)
+{
+ u16 sbuf[CF_SECT_SIZE >> 1];
+ int res;
+ char tstr[17]; //serial
+ BUG_ON(dev->tstate!=TS_IDLE);
+ dev->tbuf = (char *) sbuf;
+ dev->tbuf_size = CF_SECT_SIZE;
+ dev->tsect_start = 0;
+ dev->tsector_count = 0;
+ dev->tsectors_left = 1;
+ dev->tread = 1;
+ dev->tcmd = ATA_CMD_IDENTIFY_DRIVE;
+
+ DEBUGP(KERN_INFO "cf-mips: identify drive..\n");
+ res = cf_do_state(dev);
+ if (res == CF_TRANS_IN_PROGRESS) {
+ printk(KERN_ERR "cf-mips: BUG: async identify cmd\n");
+ return CF_TRANS_FAILED;
+ }
+ if (res != CF_TRANS_OK)
+ return 0;
+
+ dev->head = sbuf[3];
+ dev->cyl = sbuf[1];
+ dev->spt = sbuf[6];
+ dev->sectors = ((unsigned long) sbuf[7] << 16) | sbuf[8];
+ dev->dtype=sbuf[0];
+ memcpy(tstr,&sbuf[12],16);
+ tstr[16]=0;
+ printk(KERN_INFO "cf-mips: %s detected, C/H/S=%d/%d/%d sectors=%u (%uMB) Serial=%s\n",
+ (sbuf[0] == 0x848A ? "CF card" : "ATA drive"), dev->cyl, dev->head,
+ dev->spt, dev->sectors, dev->sectors >> 11,tstr);
+ return 1;
+}
+
+static void init_multiple(struct cf_mips_dev * dev)
+{
+ int res;
+ DEBUGP(KERN_INFO "cf-mips: detecting block size\n");
+
+ dev->block_size = 128; /* max block size = 128 sectors (64KB) */
+ do {
+ wareg(dev->block_size, ATA_REG_SC,dev);
+ wareg(ATA_REG_DH_BASE | ATA_REG_DH_LBA, ATA_REG_DH,dev);
+ wareg(ATA_CMD_SET_MULTIPLE, ATA_REG_CMD,dev);
+
+ res = wait_not_busy(10 * SECS, 1,dev);
+ if (res != CF_TRANS_OK) {
+ printk(KERN_ERR "cf-mips: failed to detect block size: busy!\n");
+ dev->block_size = 1;
+ return;
+ }
+ if ((rareg(ATA_REG_ST,dev) & ATA_REG_ST_ERR) == 0)
+ break;
+ dev->block_size /= 2;
+ } while (dev->block_size > 1);
+
+ printk(KERN_INFO "cf-mips: multiple sectors = %d\n", dev->block_size);
+}
+
+int cf_init(struct cf_mips_dev *dev)
+{
+ tasklet_init(&dev->tasklet,cf_do_tasklet,(unsigned long)dev);
+ dev->baddr = ioremap_nocache((unsigned long)dev->base, CFDEV_BUF_SIZE);
+ if (!dev->baddr) {
+ printk(KERN_ERR "cf-mips: cf_init: ioremap for (%lx,%x) failed\n",
+ (unsigned long) dev->base, CFDEV_BUF_SIZE);
+ return -EBUSY;
+ }
+
+ if (!cf_present(dev)) {
+ printk(KERN_WARNING "cf-mips: cf card not present\n");
+ iounmap(dev->baddr);
+ return -ENODEV;
+ }
+
+ if (do_reset(dev) != CF_TRANS_OK) {
+ printk(KERN_ERR "cf-mips: cf reset failed\n");
+ iounmap(dev->baddr);
+ return -EBUSY;
+ }
+
+ if (!do_identify(dev)) {
+ printk(KERN_ERR "cf-mips: cf identify failed\n");
+ iounmap(dev->baddr);
+ return -EBUSY;
+ }
+
+/* set_apm_level(ATA_APM_WITH_STANDBY); */
+ init_multiple(dev);
+
+ init_timer(&dev->to_timer);
+ dev->to_timer.function = cf_async_timeout;
+ dev->to_timer.data = (unsigned long)dev;
+
+ prepare_cf_irq(dev);
+ if (request_irq(dev->irq, cf_irq_handler, 0, "CF Mips", dev)) {
+ printk(KERN_ERR "cf-mips: failed to get irq\n");
+ iounmap(dev->baddr);
+ return -EBUSY;
+ }
+ /* Disable below would be odd, because request will enable, and the tasklet
+ will disable it itself */
+ //disable_irq(dev->irq);
+
+ dev->async_mode = 1;
+
+ return 0;
+}
+
+void cf_cleanup(struct cf_mips_dev *dev)
+{
+ iounmap(dev->baddr);
+ free_irq(dev->irq, NULL);
+#if REQUEST_MEM_REGION
+ release_mem_region((unsigned long)dev->base, CFDEV_BUF_SIZE);
+#endif
+}
+
+
+/*eof*/
diff -urN linux.old/drivers/block/rb500/ata.h linux.dev/drivers/block/rb500/ata.h
--- linux.old/drivers/block/rb500/ata.h 1970-01-01 01:00:00.000000000 +0100
+++ linux.dev/drivers/block/rb500/ata.h 2006-10-26 00:11:14.000000000 +0200
@@ -0,0 +1,143 @@
+/* CF-mips driver
+ This is a block driver for the direct (mmaped) interface to the CF-slot,
+ found in Routerboard.com's RB532 board
+ See SDK provided from routerboard.com.
+
+ Module adapted By P.Christeas <p_christeas@yahoo.com>, 2005-6.
+ Cleaned up and adapted to platform_device by Felix Fietkau <nbd@openwrt.org>
+
+ This work is redistributed under the terms of the GNU General Public License.
+*/
+
+#ifndef __CFMIPS_ATA_H__
+#define __CFMIPS_ATA_H__
+
+#include <linux/interrupt.h>
+
+#define CFG_DC_DEV1 (void*)0xb8010010
+#define CFG_DC_DEVBASE 0x0
+#define CFG_DC_DEVMASK 0x4
+#define CFG_DC_DEVC 0x8
+#define CFG_DC_DEVTC 0xC
+
+#define CFDEV_BUF_SIZE 0x1000
+#define ATA_CIS_OFFSET 0x200
+#define ATA_REG_OFFSET 0x800
+#define ATA_DBUF_OFFSET 0xC00
+
+#define ATA_REG_FEAT 0x1
+#define ATA_REG_SC 0x2
+#define ATA_REG_SN 0x3
+#define ATA_REG_CL 0x4
+#define ATA_REG_CH 0x5
+#define ATA_REG_DH 0x6
+#define ATA_REG_DH_BASE 0xa0
+#define ATA_REG_DH_LBA 0x40
+#define ATA_REG_DH_DRV 0x10
+#define ATA_REG_CMD 0x7
+#define ATA_REG_ST 0x7
+#define ATA_REG_ST_BUSY 0x80
+#define ATA_REG_ST_RDY 0x40
+#define ATA_REG_ST_DWF 0x20
+#define ATA_REG_ST_DSC 0x10
+#define ATA_REG_ST_DRQ 0x08
+#define ATA_REG_ST_CORR 0x04
+#define ATA_REG_ST_ERR 0x01
+#define ATA_REG_ERR 0xd
+#define ATA_REG_DC 0xe
+#define ATA_REG_DC_IEN 0x02
+#define ATA_REG_DC_SRST 0x04
+
+#define ATA_CMD_READ_SECTORS 0x20
+#define ATA_CMD_WRITE_SECTORS 0x30
+#define ATA_CMD_EXEC_DRIVE_DIAG 0x90
+#define ATA_CMD_READ_MULTIPLE 0xC4
+#define ATA_CMD_WRITE_MULTIPLE 0xC5
+#define ATA_CMD_SET_MULTIPLE 0xC6
+#define ATA_CMD_IDENTIFY_DRIVE 0xEC
+#define ATA_CMD_SET_FEATURES 0xEF
+
+#define ATA_FEATURE_ENABLE_APM 0x05
+#define ATA_FEATURE_DISABLE_APM 0x85
+#define ATA_APM_DISABLED 0x00
+#define ATA_APM_MIN_POWER 0x01
+#define ATA_APM_WITH_STANDBY 0x7f
+#define ATA_APM_WITHOUT_STANDBY 0x80
+#define ATA_APM_MAX_PERFORMANCE 0xfe
+
+#define CF_SECT_SIZE 0x200
+/* That is the ratio CF_SECT_SIZE/512 (the kernel sector size) */
+#define CF_KERNEL_MUL 1
+#define ATA_MAX_SECT_PER_CMD 0x100
+
+#define CF_TRANS_FAILED 0
+#define CF_TRANS_OK 1
+#define CF_TRANS_IN_PROGRESS 2
+
+
+enum trans_state {
+ TS_IDLE = 0,
+ TS_AFTER_RESET,
+ TS_READY,
+ TS_CMD,
+ TS_TRANS
+};
+
+//
+// #if DEBUG
+// static unsigned long busy_time;
+// #endif
+
+/** Struct to hold the cfdev
+Actually, all the data here only has one instance. However, for
+reasons of programming conformity, it is passed around as a pointer
+*/
+struct cf_mips_dev {
+ void *base; /* base address for I/O */
+ void *baddr; /* remapped address */
+
+ int pin; /* gpio pin */
+ int irq; /* gpio irq */
+
+ unsigned head;
+ unsigned cyl;
+ unsigned spt;
+ unsigned sectors;
+
+ unsigned short block_size;
+ unsigned dtype ; // ATA or CF
+ struct request_queue *queue;
+ struct gendisk *gd;
+
+ /* Transaction state */
+ enum trans_state tstate;
+ char *tbuf;
+ unsigned long tbuf_size;
+ sector_t tsect_start;
+ unsigned tsector_count;
+ unsigned tsectors_left;
+ int tread;
+ unsigned tcmd;
+ int async_mode;
+ unsigned long irq_enable_time;
+
+ struct request *active_req; /* A request is being carried out. Is that different from tstate? */
+ int users;
+ struct timer_list to_timer;
+ struct tasklet_struct tasklet;
+
+ /** This lock ensures that the requests to this device are all done
+ atomically. Transfers can run in parallel, requests are all queued
+ one-by-one */
+ spinlock_t lock;
+};
+
+int cf_do_transfer(struct cf_mips_dev* dev,sector_t sector, unsigned long nsect,
+ char* buffer, int is_write);
+int cf_init(struct cf_mips_dev* dev);
+void cf_cleanup(struct cf_mips_dev* dev);
+
+void cf_async_trans_done(struct cf_mips_dev* dev, int result);
+// void *cf_get_next_buf(unsigned long *buf_size);
+
+#endif
diff -urN linux.old/drivers/block/rb500/bdev.c linux.dev/drivers/block/rb500/bdev.c
--- linux.old/drivers/block/rb500/bdev.c 1970-01-01 01:00:00.000000000 +0100
+++ linux.dev/drivers/block/rb500/bdev.c 2006-10-26 00:11:14.000000000 +0200
@@ -0,0 +1,339 @@
+/* CF-mips driver
+ This is a block driver for the direct (mmaped) interface to the CF-slot,
+ found in Routerboard.com's RB532 board
+ See SDK provided from routerboard.com.
+
+ Module adapted By P.Christeas <p_christeas@yahoo.com>, 2005-6.
+ Cleaned up and adapted to platform_device by Felix Fietkau <nbd@openwrt.org>
+
+ This work is redistributed under the terms of the GNU General Public License.
+*/
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/time.h>
+#include <linux/wait.h>
+#include <linux/fs.h>
+#include <linux/genhd.h>
+#include <linux/blkdev.h>
+#include <linux/blkpg.h>
+#include <linux/hdreg.h>
+#include <linux/platform_device.h>
+
+#include <asm/uaccess.h>
+#include <asm/io.h>
+
+#include <asm/rc32434/rb.h>
+
+#ifdef DEBUG
+#define DEBUGP printk
+#define DLEVEL 1
+#else
+#define DEBUGP(format, args...)
+#define DLEVEL 0
+#endif
+
+#define CF_MIPS_MAJOR 13
+#define MAJOR_NR CF_MIPS_MAJOR
+#define CF_MAX_PART 16 /* max 15 partitions */
+
+#include "ata.h"
+
+//extern struct block_device_operations cf_bdops;
+
+// static struct hd_struct cf_parts[CF_MAX_PART];
+// static int cf_part_sizes[CF_MAX_PART];
+// static int cf_hsect_sizes[CF_MAX_PART];
+// static int cf_max_sectors[CF_MAX_PART];
+// static int cf_blksize_sizes[CF_MAX_PART];
+
+// static spinlock_t lock = SPIN_LOCK_UNLOCKED;
+
+// volatile int cf_busy = 0;
+
+static struct request *active_req = NULL;
+
+static int cf_open (struct inode *, struct file *);
+static int cf_release (struct inode *, struct file *);
+static int cf_ioctl (struct inode *, struct file *, unsigned, unsigned long);
+
+static void cf_request(request_queue_t * q);
+static int cf_transfer(const struct request *req);
+
+/*long (*unlocked_ioctl) (struct file *, unsigned, unsigned long);
+long (*compat_ioctl) (struct file *, unsigned, unsigned long);*/
+// int (*direct_access) (struct block_device *, sector_t, unsigned long *);
+// int (*media_changed) (struct gendisk *);
+// int (*revalidate_disk) (struct gendisk *);
+
+static struct block_device_operations cf_bdops = {
+ .owner = THIS_MODULE,
+ .open = cf_open,
+ .release = cf_release,
+ .ioctl = cf_ioctl,
+ .media_changed = NULL,
+ .unlocked_ioctl = NULL,
+ .revalidate_disk = NULL,
+ .compat_ioctl = NULL,
+ .direct_access = NULL
+};
+
+
+int cf_mips_probe(struct platform_device *pdev)
+{
+ struct gendisk* cf_gendisk=NULL;
+ struct cf_device *cdev = (struct cf_device *) pdev->dev.platform_data;
+ struct cf_mips_dev *dev;
+ struct resource *r;
+ int reg_result;
+
+ reg_result = register_blkdev(MAJOR_NR, "cf-mips");
+ if (reg_result < 0) {
+ printk(KERN_WARNING "cf-mips: can't get major %d\n", MAJOR_NR);
+ return reg_result;
+ }
+
+ dev = (struct cf_mips_dev *)kmalloc(sizeof(struct cf_mips_dev),GFP_KERNEL);
+ if (!dev)
+ goto out_err;
+ memset(dev, 0, sizeof(struct cf_mips_dev));
+ cdev->dev = dev;
+
+ dev->pin = cdev->gpio_pin;
+ dev->irq = platform_get_irq_byname(pdev, "cf_irq");
+ r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cf_membase");
+ dev->base = (void *) r->start;
+
+ if (cf_init(dev)) goto out_err;
+ printk("init done");
+
+ spin_lock_init(&dev->lock);
+ dev->queue = blk_init_queue(cf_request,&dev->lock);
+ if (!dev->queue){
+ printk(KERN_ERR "cf-mips: no mem for queue\n");
+ goto out_err;
+ }
+ blk_queue_max_sectors(dev->queue,ATA_MAX_SECT_PER_CMD);
+
+ /* For memory devices, it is always better to avoid crossing segments
+ inside the same request. */
+/* if (dev->dtype==0x848A){
+ printk(KERN_INFO "Setting boundary for cf to 0x%x",(dev->block_size*512)-1);
+ blk_queue_segment_boundary(dev->queue, (dev->block_size*512)-1);
+ }*/
+
+ dev->gd = alloc_disk(CF_MAX_PART);
+ cf_gendisk = dev->gd;
+ cdev->gd = dev->gd;
+ if (!cf_gendisk) goto out_err; /* Last of these goto's */
+
+ cf_gendisk->major = MAJOR_NR;
+ cf_gendisk->first_minor = 0;
+ cf_gendisk->queue=dev->queue;
+ BUG_ON(cf_gendisk->minors != CF_MAX_PART);
+ strcpy(cf_gendisk->disk_name,"cfa");
+ cf_gendisk->fops = &cf_bdops;
+ cf_gendisk->flags = 0 ; /* is not yet GENHD_FL_REMOVABLE */
+ cf_gendisk->private_data=dev;
+
+ set_capacity(cf_gendisk,dev->sectors * CF_KERNEL_MUL);
+
+ /* Let the disk go live */
+ add_disk(cf_gendisk);
+#if 0
+ result = cf_init();
+
+ /* default cfg for all partitions */
+ memset(cf_parts, 0, sizeof (cf_parts[0]) * CF_MAX_PART);
+ memset(cf_part_sizes, 0, sizeof (cf_part_sizes[0]) * CF_MAX_PART);
+ for (i = 0; i < CF_MAX_PART; ++i) {
+ cf_hsect_sizes[i] = CF_SECT_SIZE;
+ cf_max_sectors[i] = ATA_MAX_SECT_PER_CMD;
+ cf_blksize_sizes[i] = BLOCK_SIZE;
+ }
+
+ /* setup info for whole disk (partition 0) */
+ cf_part_sizes[0] = cf_sectors / 2;
+ cf_parts[0].nr_sects = cf_sectors;
+
+ blk_size[MAJOR_NR] = cf_part_sizes;
+ blksize_size[MAJOR_NR] = cf_blksize_sizes;
+ max_sectors[MAJOR_NR] = cf_max_sectors;
+ hardsect_size[MAJOR_NR] = cf_hsect_sizes;
+ read_ahead[MAJOR_NR] = 8; /* (4kB) */
+
+ blk_init_queue(BLK_DEFAULT_QUEUE(MAJOR_NR), DEVICE_REQUEST);
+
+ add_gendisk(&cf_gendisk);
+#endif
+// printk(KERN_INFO "cf-mips partition check: \n");
+// register_disk(cf_gendisk, MKDEV(MAJOR_NR, 0), CF_MAX_PART,
+// &cf_bdops, dev->sectors);
+ return 0;
+
+out_err:
+ if (dev->queue){
+ blk_cleanup_queue(dev->queue);
+ }
+ if (reg_result) {
+ unregister_blkdev(MAJOR_NR, "cf-mips");
+ return reg_result;
+ }
+ if (dev){
+ cf_cleanup(dev);
+ kfree(dev);
+ }
+ return 1;
+}
+
+static int
+cf_mips_remove(struct platform_device *pdev)
+{
+ struct cf_device *cdev = (struct cf_device *) pdev->dev.platform_data;
+ struct cf_mips_dev *dev = (struct cf_mips_dev *) cdev->dev;
+
+ unregister_blkdev(MAJOR_NR, "cf-mips");
+ blk_cleanup_queue(dev->queue);
+
+ del_gendisk(dev->gd);
+ cf_cleanup(dev);
+ return 0;
+}
+
+
+static struct platform_driver cf_driver = {
+ .driver.name = "rb500-cf",
+ .probe = cf_mips_probe,
+ .remove = cf_mips_remove,
+};
+
+static int __init cf_mips_init(void)
+{
+ printk(KERN_INFO "cf-mips module loaded\n");
+ return platform_driver_register(&cf_driver);
+}
+
+static void cf_mips_cleanup(void)
+{
+ platform_driver_unregister(&cf_driver);
+ printk(KERN_INFO "cf-mips module removed\n");
+}
+
+module_init(cf_mips_init);
+module_exit(cf_mips_cleanup);
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_BLOCKDEV_MAJOR(CF_MIPS_MAJOR);
+
+
+static int cf_open(struct inode *inode, struct file *filp)
+{
+ struct cf_mips_dev *dev=inode->i_bdev->bd_disk->private_data;
+ int minor = MINOR(inode->i_rdev);
+
+ if (minor >= CF_MAX_PART)
+ return -ENODEV;
+ //DEBUGP(KERN_INFO "cf-mips module opened, minor %d\n", minor);
+ spin_lock(&dev->lock);
+ dev->users++;
+ spin_unlock(&dev->lock);
+ filp->private_data=dev;
+
+ /* dirty workaround to set CFRDY GPIO as an input when some other
+ program sets it as an output */
+ gpio_set(CFG, (1 << dev->pin), 0);
+ return 0; /* success */
+}
+
+static int cf_release(struct inode *inode, struct file *filp)
+{
+ int minor = MINOR(inode->i_rdev);
+ struct cf_mips_dev *dev=inode->i_bdev->bd_disk->private_data;
+ spin_lock(&dev->lock);
+ dev->users--;
+ spin_unlock(&dev->lock);
+ return 0;
+}
+
+static int cf_ioctl(struct inode *inode, struct file *filp,
+ unsigned int cmd, unsigned long arg)
+{
+ unsigned minor = MINOR(inode->i_rdev);
+ struct cf_mips_dev *dev=inode->i_bdev->bd_disk->private_data;
+
+ DEBUGP(KERN_INFO "cf_ioctl cmd %u\n", cmd);
+ switch (cmd) {
+ case BLKRRPART: /* re-read partition table */
+ if (!capable(CAP_SYS_ADMIN))
+ return -EACCES;
+ printk(KERN_INFO "cf-mips partition check: \n");
+ register_disk(dev->gd);
+ return 0;
+
+ case HDIO_GETGEO:
+ {
+ struct hd_geometry geo;
+ geo.cylinders = dev->cyl;
+ geo.heads = dev->head;
+ geo.sectors = dev->spt;
+ geo.start = (*dev->gd->part)[minor].start_sect;
+ if (copy_to_user((void *) arg, &geo, sizeof (geo)))
+ return -EFAULT;
+ }
+ return 0;
+ }
+
+ return -EINVAL; /* unknown command */
+}
+
+static void cf_request(request_queue_t * q)
+{
+ struct cf_mips_dev* dev;
+
+ struct request * req;
+ int status;
+
+ /* We could have q->queuedata = dev , but haven't yet. */
+ if (active_req)
+ return;
+
+ while ((req=elv_next_request(q))!=NULL){
+ dev=req->rq_disk->private_data;
+ status=cf_transfer(req);
+ if (status==CF_TRANS_IN_PROGRESS){
+ active_req=req;
+ return;
+ }
+ end_request(req,status);
+ }
+}
+
+static int cf_transfer(const struct request *req)
+{
+ struct cf_mips_dev* dev=req->rq_disk->private_data;
+
+ if (!blk_fs_request(req)){
+ if (printk_ratelimit())
+ printk(KERN_WARNING "cf-mips: skipping non-fs request 0x%x\n",req->cmd[0]);
+ return CF_TRANS_FAILED;
+ }
+
+ return cf_do_transfer(dev,req->sector,req->current_nr_sectors,req->buffer,rq_data_dir(req));
+}
+
+void cf_async_trans_done(struct cf_mips_dev * dev,int result)
+{
+ struct request *req;
+
+ spin_lock(&dev->lock);
+ req=active_req;
+ active_req=NULL;
+ end_request(req,result);
+ spin_unlock(&dev->lock);
+
+ spin_lock(&dev->lock);
+ cf_request(dev->queue);
+ spin_unlock(&dev->lock);
+}
+
diff -urN linux.old/drivers/block/rb500/Makefile linux.dev/drivers/block/rb500/Makefile
--- linux.old/drivers/block/rb500/Makefile 1970-01-01 01:00:00.000000000 +0100
+++ linux.dev/drivers/block/rb500/Makefile 2006-10-26 00:11:14.000000000 +0200
@@ -0,0 +1,3 @@
+## Makefile for the RB532 CF port
+
+obj-y += bdev.o ata.o

20
target/linux/rb532-2.6/patches/140-cmdline_hack.patch
View File

@ -25,24 +25,4 @@ diff -ur linux.old/arch/mips/kernel/head.S linux.dev/arch/mips/kernel/head.S
EXPORT(stext) # used for profiling EXPORT(stext) # used for profiling
EXPORT(_stext) EXPORT(_stext)
diff -ur linux.old/arch/mips/rb500/prom.c linux.dev/arch/mips/rb500/prom.c
--- linux.old/arch/mips/rb500/prom.c 2006-12-06 17:30:27.000000000 +0100
+++ linux.dev/arch/mips/rb500/prom.c 2006-12-06 17:41:40.000000000 +0100
@@ -128,6 +128,7 @@
/* FIXME: STUB */
}
+extern char _image_cmdline;
void __init prom_setup_cmdline(void){
char cmd_line[CL_SIZE];
char *cp;
@@ -163,6 +164,9 @@
strcpy(cp,prom_argv[i]);
cp+=strlen(prom_argv[i]);
}
+ *(cp++) = ' ';
+ strcpy(cp,(&_image_cmdline + 8));
+ cp += strlen(&_image_cmdline);
i=strlen(arcs_cmdline);
if (i>0){

142
target/linux/rb532-2.6/patches/500-Nand.patch
View File

@ -25,144 +25,4 @@ diff -urN linux.old/drivers/mtd/nand/Makefile linux.dev/drivers/mtd/nand/Makefil
obj-$(CONFIG_MTD_NAND_AUTCPU12) += autcpu12.o obj-$(CONFIG_MTD_NAND_AUTCPU12) += autcpu12.o
obj-$(CONFIG_MTD_NAND_EDB7312) += edb7312.o obj-$(CONFIG_MTD_NAND_EDB7312) += edb7312.o
obj-$(CONFIG_MTD_NAND_AU1550) += au1550nd.o obj-$(CONFIG_MTD_NAND_AU1550) += au1550nd.o
diff -urN linux.old/drivers/mtd/nand/rbmipsnand.c linux.dev/drivers/mtd/nand/rbmipsnand.c
--- linux.old/drivers/mtd/nand/rbmipsnand.c 1970-01-01 01:00:00.000000000 +0100
+++ linux.dev/drivers/mtd/nand/rbmipsnand.c 2006-12-14 04:39:52.000000000 +0100
@@ -0,0 +1,137 @@
+#include <linux/init.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/bootinfo.h>
+
+#define IDT434_REG_BASE ((volatile void *) KSEG1ADDR(0x18000000))
+
+#define GPIOF 0x050000
+#define GPIOC 0x050004
+#define GPIOD 0x050008
+
+#define GPIO_RDY (1 << 0x08)
+#define GPIO_WPX (1 << 0x09)
+#define GPIO_ALE (1 << 0x0a)
+#define GPIO_CLE (1 << 0x0b)
+
+#define DEV2BASE 0x010020
+
+#define LO_WPX (1 << 0)
+#define LO_ALE (1 << 1)
+#define LO_CLE (1 << 2)
+#define LO_CEX (1 << 3)
+#define LO_FOFF (1 << 5)
+#define LO_SPICS (1 << 6)
+#define LO_ULED (1 << 7)
+
+#define MEM32(x) *((volatile unsigned *) (x))
+static void __iomem *p_nand;
+
+extern void changeLatchU5(unsigned char orMask, unsigned char nandMask);
+
+static int rb500_dev_ready(struct mtd_info *mtd)
+{
+ return MEM32(IDT434_REG_BASE + GPIOD) & GPIO_RDY;
+}
+
+/*
+ * hardware specific access to control-lines
+ *
+ * ctrl:
+ * NAND_CLE: bit 2 -> bit 3
+ * NAND_ALE: bit 3 -> bit 2
+ */
+static void rbmips_hwcontrol500(struct mtd_info *mtd, int cmd,
+ unsigned int ctrl)
+{
+ struct nand_chip *chip = mtd->priv;
+ unsigned char orbits, nandbits;
+
+ if (ctrl & NAND_CTRL_CHANGE) {
+
+ orbits = (ctrl & NAND_CLE) << 1;
+ orbits |= (ctrl & NAND_ALE) >> 1;
+
+ nandbits = (~ctrl & NAND_CLE) << 1;
+ nandbits |= (~ctrl & NAND_ALE) >> 1;
+
+ changeLatchU5(orbits, nandbits);
+ }
+ if (cmd != NAND_CMD_NONE)
+ writeb(cmd, chip->IO_ADDR_W);
+
+}
+
+static struct mtd_partition partition_info[] = {
+ {
+ name:"RouterBoard NAND Boot",
+ offset:0,
+ size:4 * 1024 * 1024},
+ {
+ name:"RouterBoard NAND Main",
+ offset:MTDPART_OFS_NXTBLK,
+ size:MTDPART_SIZ_FULL}
+};
+
+static struct mtd_info rmtd;
+static struct nand_chip rnand;
+
+static unsigned init_ok = 0;
+
+unsigned get_rbnand_block_size(void)
+{
+ if (init_ok)
+ return rmtd.writesize;
+ else
+ return 0;
+}
+
+EXPORT_SYMBOL(get_rbnand_block_size);
+
+int __init rbmips_init(void)
+{
+ int *b;
+ memset(&rmtd, 0, sizeof(rmtd));
+ memset(&rnand, 0, sizeof(rnand));
+
+ printk("RB500 nand\n");
+ changeLatchU5(LO_WPX | LO_FOFF | LO_CEX,
+ LO_ULED | LO_ALE | LO_CLE);
+ rnand.cmd_ctrl = rbmips_hwcontrol500;
+
+ rnand.dev_ready = rb500_dev_ready;
+ rnand.IO_ADDR_W = (unsigned char *)
+ KSEG1ADDR(MEM32(IDT434_REG_BASE + DEV2BASE));
+ rnand.IO_ADDR_R = rnand.IO_ADDR_W;
+
+ p_nand = (void __iomem *) ioremap((void *) 0x18a20000, 0x1000);
+ if (!p_nand) {
+ printk("RBnand Unable ioremap buffer");
+ return -ENXIO;
+ }
+ rnand.ecc.mode = NAND_ECC_SOFT;
+ rnand.chip_delay = 25;
+ rnand.options |= NAND_NO_AUTOINCR;
+ rmtd.priv = &rnand;
+
+ b = (int *) KSEG1ADDR(0x18010020);
+ printk("dev2base 0x%08x mask 0x%08x c 0x%08x tc 0x%08x\n", b[0],
+ b[1], b[2], b[3]);
+
+ if (nand_scan(&rmtd, 1) && nand_scan(&rmtd, 1)
+ && nand_scan(&rmtd, 1) && nand_scan(&rmtd, 1)) {
+ printk("RBxxx nand device not found\n");
+ iounmap((void *) p_nand);
+ return -ENXIO;
+ }
+
+ add_mtd_partitions(&rmtd, partition_info, 2);
+ init_ok = 1;
+ return 0;
+}
+
+module_init(rbmips_init);