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openwrt/target/linux/aruba-2.6/patches/003-pci.patch

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diff -Nur linux-2.6.15/arch/mips/pci/fixup-aruba.c linux-2.6.15-openwrt/arch/mips/pci/fixup-aruba.c
--- linux-2.6.15/arch/mips/pci/fixup-aruba.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.15-openwrt/arch/mips/pci/fixup-aruba.c 2006-01-10 00:34:41.000000000 +0100
@@ -0,0 +1,115 @@
+/**************************************************************************
+ *
+ * BRIEF MODULE DESCRIPTION
+ * PCI fixups 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/idt-boards/rc32434/rc32434.h>
+#include <asm/idt-boards/rc32434/rc32434_pci.h>
+
+int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+
+ if (dev->bus->number != 0) {
+ return 0;
+ }
+
+ slot = PCI_SLOT(dev->devfn);
+ dev->irq = 0;
+
+ if (slot > 0 && slot <= 15) {
+#if 1
+ if(slot == 10) {
+ if(pin == 1) dev->irq = GROUP4_IRQ_BASE + 9; // intA
+ } else if(slot == 11) {
+ if(pin == 1) dev->irq = GROUP4_IRQ_BASE + 10; // intA
+ if(pin == 2) dev->irq = GROUP4_IRQ_BASE + 10; // intA
+ if(pin == 3) dev->irq = GROUP4_IRQ_BASE + 10; // intA
+ } else if(slot == 12) {
+ if(pin == 1) dev->irq = GROUP4_IRQ_BASE + 11; // intA
+ if(pin == 2) dev->irq = GROUP4_IRQ_BASE + 12; // intB
+ } else if (slot == 13) {
+ if(pin == 1) dev->irq = GROUP4_IRQ_BASE + 12; // intA
+ if(pin == 2) dev->irq = GROUP4_IRQ_BASE + 11; // intB
+ } else {
+ dev->irq = GROUP4_IRQ_BASE + 11;
+ }
+#else
+ switch (pin) {
+ case 1: /* INTA*/
+ dev->irq = GROUP4_IRQ_BASE + 11;
+ break;
+ case 2: /* INTB */
+ dev->irq = GROUP4_IRQ_BASE + 11;
+ break;
+ case 3: /* INTC */
+ dev->irq = GROUP4_IRQ_BASE + 11;
+ break;
+ case 4: /* INTD */
+ dev->irq = GROUP4_IRQ_BASE + 11;
+ break;
+ default:
+ dev->irq = 0xff;
+ break;
+ }
+#endif
+#ifdef DEBUG
+ printk("irq fixup: slot %d, pin %d, irq %d\n",
+ slot, pin, dev->irq);
+#endif
+ pci_write_config_byte(dev, PCI_INTERRUPT_LINE,dev->irq);
+ }
+ return (dev->irq);
+}
+
+struct pci_fixup pcibios_fixups[] = {
+ {0}
+};
+
+
+
+
+
+
+
+
+
+
+
diff -Nur linux-2.6.15/arch/mips/pci/Makefile linux-2.6.15-openwrt/arch/mips/pci/Makefile
--- linux-2.6.15/arch/mips/pci/Makefile 2006-01-03 04:21:10.000000000 +0100
+++ linux-2.6.15-openwrt/arch/mips/pci/Makefile 2006-01-10 00:32:32.000000000 +0100
@@ -53,3 +53,4 @@
obj-$(CONFIG_VICTOR_MPC30X) += fixup-mpc30x.o
obj-$(CONFIG_ZAO_CAPCELLA) += fixup-capcella.o
obj-$(CONFIG_WR_PPMC) += fixup-wrppmc.o
+obj-$(CONFIG_MACH_ARUBA) += fixup-aruba.o ops-aruba.o pci-aruba.o
diff -Nur linux-2.6.15/arch/mips/pci/ops-aruba.c linux-2.6.15-openwrt/arch/mips/pci/ops-aruba.c
--- linux-2.6.15/arch/mips/pci/ops-aruba.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.15-openwrt/arch/mips/pci/ops-aruba.c 2006-01-10 00:32:32.000000000 +0100
@@ -0,0 +1,204 @@
+/**************************************************************************
+ *
+ * BRIEF MODULE DESCRIPTION
+ * pci_ops 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/init.h>
+#include <linux/pci.h>
+#include <linux/types.h>
+#include <linux/delay.h>
+
+#include <asm/cpu.h>
+#include <asm/io.h>
+
+#include <asm/idt-boards/rc32434/rc32434.h>
+#include <asm/idt-boards/rc32434/rc32434_pci.h>
+
+#define PCI_ACCESS_READ 0
+#define PCI_ACCESS_WRITE 1
+
+
+#define PCI_CFG_SET(slot,func,off) \
+ (rc32434_pci->pcicfga = (0x80000000 | ((slot)<<11) | \
+ ((func)<<8) | (off)))
+
+static int config_access(unsigned char access_type, struct pci_bus *bus,
+ unsigned int devfn, unsigned char where,
+ u32 * data)
+{
+ /*
+ * config cycles are on 4 byte boundary only
+ */
+ unsigned int slot = PCI_SLOT(devfn);
+ u8 func = PCI_FUNC(devfn);
+
+ if (slot < 2 || slot > 15) {
+ *data = 0xFFFFFFFF;
+ return -1;
+ }
+ /* Setup address */
+ PCI_CFG_SET(slot, func, where);
+ rc32434_sync();
+
+ if (access_type == PCI_ACCESS_WRITE) {
+ rc32434_sync();
+ rc32434_pci->pcicfgd = *data;
+ } else {
+ rc32434_sync();
+ *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;
+
+ ret = config_access(PCI_ACCESS_READ, bus, devfn, where, val);
+ 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,
+};
diff -Nur linux-2.6.15/arch/mips/pci/pci-aruba.c linux-2.6.15-openwrt/arch/mips/pci/pci-aruba.c
--- linux-2.6.15/arch/mips/pci/pci-aruba.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.15-openwrt/arch/mips/pci/pci-aruba.c 2006-01-10 00:32:32.000000000 +0100
@@ -0,0 +1,235 @@
+/**************************************************************************
+ *
+ * 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/idt-boards/rc32434/rc32434.h>
+#include <asm/idt-boards/rc32434/rc32434_pci.h>
+
+#define PCI_ACCESS_READ 0
+#define PCI_ACCESS_WRITE 1
+
+#undef DEBUG
+#ifdef DEBUG
+#define DBG(x...) printk(x)
+#else
+#define DBG(x...)
+#endif
+/* 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_mem2;
+
+static struct resource rc32434_res_pci_mem1 = {
+ .name = "PCI MEM1",
+ .start = 0x50000000,
+ .end = 0x5FFFFFFF,
+ .flags = IORESOURCE_MEM,
+ .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,
+};
+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;
+
+struct pci_controller rc32434_controller = {
+ .pci_ops = &rc32434_pci_ops,
+ .mem_resource = &rc32434_res_pci_mem1,
+ .io_resource = &rc32434_res_pci_io1,
+ .mem_offset = 0x00000000UL,
+ .io_offset = 0x00000000UL,
+};
+
+extern unsigned int arch_has_pci;
+
+static int __init rc32434_pcibridge_init(void)
+{
+
+ unsigned int pciConfigAddr = 0;/*used for writing pci config values */
+ int loopCount=0 ;/*used for the loop */
+
+ unsigned int pcicValue, pcicData=0;
+ unsigned int dummyRead, pciCntlVal = 0;
+
+ if (!arch_has_pci) return 0;
+
+ printk("PCI: Initializing PCI\n");
+
+ /* Disable the IP bus error for PCI scaning */
+ pciCntlVal=rc32434_pci->pcic;
+ pciCntlVal &= 0xFFFFFF7;
+ rc32434_pci->pcic = pciCntlVal;
+
+ ioport_resource.start = rc32434_res_pci_io1.start;
+ ioport_resource.end = rc32434_res_pci_io1.end;
+/*
+ iomem_resource.start = rc32434_res_pci_mem1.start;
+ iomem_resource.end = rc32434_res_pci_mem1.end;
+*/
+
+ 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))) {
+ /* 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 */
+#ifdef __MIPSEB__
+ rc32434_pci->pcilba[0].c = ( ((SIZE_16MB & 0x1f) << PCILBAC_size_b) | PCILBAC_sb_m);
+#else
+ rc32434_pci->pcilba[0].c = ( ((SIZE_16MB & 0x1f) << PCILBAC_size_b));
+#endif
+ 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*/
+#ifdef __MIPSEB__
+ rc32434_pci->pcilba[1].c = ( ((SIZE_256MB & 0x1f) << PCILBAC_size_b) | PCILBAC_sb_m);
+#else
+ rc32434_pci->pcilba[1].c = ((SIZE_256MB & 0x1f) << PCILBAC_size_b);
+#endif
+ 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*/
+#ifdef __MIPSEB__
+ rc32434_pci->pcilba[2].c = ( ((SIZE_4MB & 0x1f) << PCILBAC_size_b) | PCILBAC_sb_m);
+#else
+ rc32434_pci->pcilba[2].c = ((SIZE_4MB & 0x1f) << PCILBAC_size_b);
+#endif
+
+ dummyRead = rc32434_pci->pcilba[2].c; /* flush the CPU write Buffers */
+
+
+ rc32434_pci->pcilba[3].a = 0x18800000;
+
+ rc32434_pci->pcilba[3].m = 0x18800000;
+ /* Setup PCILBA3 as IO Window */
+
+#ifdef __MIPSEB__
+ rc32434_pci->pcilba[3].c = ( (((SIZE_1MB & 0x1ff) << PCILBAC_size_b) | PCILBAC_msi_m) | PCILBAC_sb_m);
+#else
+ rc32434_pci->pcilba[3].c = (((SIZE_1MB & 0x1ff) << PCILBAC_size_b) | PCILBAC_msi_m);
+#endif
+ dummyRead = rc32434_pci->pcilba[2].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;
+
+ register_pci_controller(&rc32434_controller);
+
+ rc32434_sync();
+ return 0;
+}
+
+arch_initcall(rc32434_pcibridge_init);
+
+/* Do platform specific device initialization at pci_enable_device() time */
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+ return 0;
+}
diff -Nur linux-2.6.15/drivers/pci/access.c linux-2.6.15-openwrt/drivers/pci/access.c
--- linux-2.6.15/drivers/pci/access.c 2006-01-03 04:21:10.000000000 +0100
+++ linux-2.6.15-openwrt/drivers/pci/access.c 2006-01-10 00:43:10.000000000 +0100
@@ -21,6 +21,7 @@
#define PCI_word_BAD (pos & 1)
#define PCI_dword_BAD (pos & 3)
+#ifdef __MIPSEB__
#define PCI_OP_READ(size,type,len) \
int pci_bus_read_config_##size \
(struct pci_bus *bus, unsigned int devfn, int pos, type *value) \
@@ -31,11 +32,32 @@
if (PCI_##size##_BAD) return PCIBIOS_BAD_REGISTER_NUMBER; \
spin_lock_irqsave(&pci_lock, flags); \
res = bus->ops->read(bus, devfn, pos, len, &data); \
+ if (len == 1) \
+ *value = (type)((data >> 24) & 0xff); \
+ else if (len == 2) \
+ *value = (type)((data >> 16) & 0xffff); \
+ else \
*value = (type)data; \
spin_unlock_irqrestore(&pci_lock, flags); \
return res; \
}
+#else
+#define PCI_OP_READ(size,type,len) \
+int pci_bus_read_config_##size \
+ (struct pci_bus *bus, unsigned int devfn, int pos, type *value) \
+{ \
+ int res; \
+ unsigned long flags; \
+ u32 data = 0; \
+ if (PCI_##size##_BAD) return PCIBIOS_BAD_REGISTER_NUMBER; \
+ spin_lock_irqsave(&pci_lock, flags); \
+ res = bus->ops->read(bus, devfn, pos, len, &data); \
+ *value = (type)data; \
+ spin_unlock_irqrestore(&pci_lock, flags); \
+ return res; \
+}
+#endif
#define PCI_OP_WRITE(size,type,len) \
int pci_bus_write_config_##size \
(struct pci_bus *bus, unsigned int devfn, int pos, type value) \
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