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wifipineapple-openwrt/target/linux/coldfire/patches/036-m5445x_pci.patch

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use broken-out patches for the coldfire to make it easier to follow differences against the bsp git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16547 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-06-23 21:04:37 +00:00
From da8e8fe3d6ad5eb9589c8e77e7716e4f7e1a7499 Mon Sep 17 00:00:00 2001
From: Kurt Mahan <kmahan@freescale.com>
Date: Mon, 10 Dec 2007 03:36:05 -0700
Subject: [PATCH] Coldfire M5445x PCI Bits.
LTIBName: m5445x-pci
Signed-off-by: Kurt Mahan <kmahan@freescale.com>
---
arch/m68k/Kconfig | 12 ++++++++++--
arch/m68k/Makefile | 4 ++++
arch/m68k/coldfire/config.c | 2 +-
arch/m68k/coldfire/iomap.c | 2 ++
arch/m68k/coldfire/mcf5445x-devices.c | 9 +++++++++
arch/m68k/coldfire/mcf5445x-pci.c | 5 +++--
arch/m68k/coldfire/pci.c | 6 +++---
arch/m68k/kernel/Makefile | 2 +-
drivers/macintosh/Kconfig | 1 -
drivers/pci/Makefile | 1 +
include/asm-m68k/io.h | 13 ++++++++++++-
include/asm-m68k/pci.h | 2 ++
12 files changed, 48 insertions(+), 11 deletions(-)
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -11,6 +11,14 @@ config MMU
bool
default y
+config GENERIC_TIME
+ bool
+ default n
+
+config GENERIC_CLOCKEVENTS
+ bool
+ default n
+
config RWSEM_GENERIC_SPINLOCK
bool
default y
@@ -48,7 +56,7 @@ config ARCH_MAY_HAVE_PC_FDC
default y
config NO_IOPORT
- def_bool y
+ def_bool !M54455
config NO_DMA
def_bool SUN3
@@ -159,7 +167,7 @@ config HADES
config PCI
bool
- depends on HADES
+ depends on HADES || M54455
default y
help
Find out whether you have a PCI motherboard. PCI is the name of a
--- a/arch/m68k/Makefile
+++ b/arch/m68k/Makefile
@@ -32,6 +32,10 @@ ifdef CONFIG_SUN3
LDFLAGS_vmlinux = -N
endif
+ifdef CONFIG_COLDFIRE
+# LDFLAGS_vmlinux = --verbose
+endif
+
CHECKFLAGS += -D__mc68000__
# without -fno-strength-reduce the 53c7xx.c driver fails ;-(
--- a/arch/m68k/coldfire/config.c
+++ b/arch/m68k/coldfire/config.c
@@ -252,7 +252,7 @@ void __init coldfire_sched_init(irq_hand
MCF_DTIM_DTMR_FRR | MCF_DTIM_DTMR_RST_EN, \
MCF_DTIM0_DTMR);
- request_irq(mcf_timervector, handler, SA_INTERRUPT, \
+ request_irq(mcf_timervector, handler, IRQF_DISABLED, \
"timer", (void *)MCF_DTIM0_DTMR);
settimericr(1, mcf_timerlevel);
--- a/arch/m68k/coldfire/iomap.c
+++ b/arch/m68k/coldfire/iomap.c
@@ -12,6 +12,7 @@
#include <linux/pci.h>
#include <asm/io.h>
+#if 0
void __iomem *__attribute__ ((weak))
ioport_map(unsigned long port, unsigned int len)
{
@@ -52,3 +53,4 @@ void pci_iounmap(struct pci_dev *dev, vo
/* Nothing .. */
}
EXPORT_SYMBOL(ioport_unmap);
+#endif
--- a/arch/m68k/coldfire/mcf5445x-devices.c
+++ b/arch/m68k/coldfire/mcf5445x-devices.c
@@ -75,10 +75,19 @@ static int ata_get_clk_rate(void)
return MCF_BUSCLK;
}
+/* JKM -- move these to a header file */
+#define MCF_IDE_DMA_WATERMARK 32 /* DMA watermark level in bytes */
+#define MCF_IDE_DMA_BD_NR (512/3/4) /* number of BDs per channel */
+
static struct fsl_ata_platform_data ata_data = {
.init = ata_init,
.exit = ata_exit,
.get_clk_rate = ata_get_clk_rate,
+#ifdef CONFIG_PATA_FSL_USE_DMA
+ .udma_mask = 0x0F, /* the board handles up to UDMA3 */
+ .fifo_alarm = MCF_IDE_DMA_WATERMARK / 2,
+ .max_sg = MCF_IDE_DMA_BD_NR,
+#endif
};
static struct resource pata_fsl_resources[] = {
--- a/arch/m68k/coldfire/mcf5445x-pci.c
+++ b/arch/m68k/coldfire/mcf5445x-pci.c
@@ -8,6 +8,7 @@
*/
#include <linux/delay.h>
+#include <linux/interrupt.h>
#include <linux/pci.h>
#include <asm/mcfsim.h>
@@ -76,7 +77,7 @@ void mcf5445x_pci_dumpregs(void);
#endif
/*
- * static void mcf5445x_conf_device(struct pci_dev *dev)
+ * mcf5445x_conf_device(struct pci_dev *dev)
*
* Machine dependent Configure the given device.
*
@@ -84,7 +85,7 @@ void mcf5445x_pci_dumpregs(void);
*
* dev - the pci device.
*/
-void __init
+void
mcf5445x_conf_device(struct pci_dev *dev)
{
set_fpga(FPGA_PCI_IRQ_ENABLE, 0x0f);
--- a/arch/m68k/coldfire/pci.c
+++ b/arch/m68k/coldfire/pci.c
@@ -56,7 +56,7 @@ struct pci_ops pci_root_ops = {
*
* Initialize the pcibios based on cmd line params.
*/
-char * __init
+char *
pcibios_setup(char *str)
{
if (!strcmp(str, "debug")) {
@@ -124,7 +124,7 @@ pcibios_map_irq(struct pci_dev *dev, u8
*
* Update a PCI interrupt.
*/
-void __init
+void
pcibios_update_irq(struct pci_dev *dev, int irq)
{
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
@@ -171,7 +171,7 @@ pcibios_enable_device(struct pci_dev *de
/*
* pcibios_fixup_bus(struct pci_bus *bus)
*/
-void __init
+void
pcibios_fixup_bus(struct pci_bus *bus)
{
struct pci_dev *dev = bus->self;
--- a/arch/m68k/kernel/Makefile
+++ b/arch/m68k/kernel/Makefile
@@ -9,6 +9,7 @@ else
ifndef CONFIG_COLDFIRE
extra-y := head.o vmlinux.lds
obj-y := entry.o signal.o traps.o ints.o
+ obj-$(CONFIG_PCI) += bios32.o
else # CONFIG_COLDFIRE
extra-y := ../coldfire/head.o vmlinux.lds
endif
@@ -19,7 +20,6 @@ obj-y += process.o ptrace.o module.o \
devres-y = ../../../kernel/irq/devres.o
-obj-$(CONFIG_PCI) += bios32.o
obj-y$(CONFIG_MMU_SUN3) += dma.o # no, it's not a typo
EXTRA_AFLAGS := -traditional
--- a/drivers/macintosh/Kconfig
+++ b/drivers/macintosh/Kconfig
@@ -118,7 +118,6 @@ config PMAC_SMU
config PMAC_APM_EMU
tristate "APM emulation"
- select APM_EMULATION
depends on ADB_PMU && PM && PPC32
config PMAC_MEDIABAY
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_PPC) += setup-bus.o
obj-$(CONFIG_MIPS) += setup-bus.o setup-irq.o
obj-$(CONFIG_X86_VISWS) += setup-irq.o
obj-$(CONFIG_MN10300) += setup-bus.o
+obj-$(CONFIG_M54455) += setup-bus.o setup-irq.o
#
# ACPI Related PCI FW Functions
--- a/include/asm-m68k/io.h
+++ b/include/asm-m68k/io.h
@@ -306,7 +306,18 @@ static inline void isa_delay(void)
#define outw(val,port) out_le16((port),(val))
#define inl(port) in_le32(port)
#define outl(val,port) out_le32((port),(val))
-
+#define insb(port, buf, nr) \
+ raw_insb((u8 *)(port), (u8 *)(buf), (nr))
+#define outsb(port, buf, nr) \
+ raw_outsb((u8 *)(port), (u8 *)(buf), (nr))
+#define insw(port, buf, nr) \
+ raw_insw_swapw((u16 *)(port), (u16 *)(buf), (nr))
+#define outsw(port, buf, nr) \
+ raw_outsw_swapw((u16 *)(port), (u16 *)(buf), (nr))
+#define insl(port, buf, nr) \
+ raw_insw_swapw((u16 *)(port), (u16 *)(buf), (nr)<<1)
+#define outsl(port, buf, nr) \
+ raw_outsw_swapw((u16 *)(port), (u16 *)(buf), (nr)<<1)
#else
/*
* kernel with both ISA and PCI compiled in, those have
--- a/include/asm-m68k/pci.h
+++ b/include/asm-m68k/pci.h
@@ -42,11 +42,13 @@ pcibios_penalize_isa_irq(int irq, int ac
/* no dynamic PCI IRQ allocation */
}
+#if 0
static inline void
pcibios_add_platform_entries(struct pci_dev *dev)
{
/* no special handling */
}
+#endif
static inline void
pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,