m68knommu: move the 54xx platform code into the common ColdFire code directory
All these separate directories for each ColdFire CPU SoC varient seems like overkill. The majority of them only contain a single small config file. Move these into the common ColdFire code directory. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
This commit is contained in:
Greg Ungerer
@@ -26,10 +26,11 @@ obj-$(CONFIG_M528x) += m528x.o pit.o intc-2.o reset.o
|
||||
obj-$(CONFIG_M5307) += m5307.o timers.o intc.o reset.o
|
||||
obj-$(CONFIG_M532x) += m532x.o timers.o intc-simr.o reset.o
|
||||
obj-$(CONFIG_M5407) += m5407.o timers.o intc.o reset.o
|
||||
obj-$(CONFIG_M54xx) += sltimers.o intc-2.o
|
||||
obj-$(CONFIG_M54xx) += m54xx.o sltimers.o intc-2.o
|
||||
|
||||
obj-$(CONFIG_NETtel) += nettel.o
|
||||
obj-$(CONFIG_CLEOPATRA) += nettel.o
|
||||
obj-$(CONFIG_FIREBEE) += firebee.o
|
||||
|
||||
obj-y += pinmux.o gpio.o
|
||||
extra-y := head.o
|
||||
|
||||
86
arch/m68k/platform/coldfire/firebee.c
Normal file
86
arch/m68k/platform/coldfire/firebee.c
Normal file
@@ -0,0 +1,86 @@
|
||||
/***************************************************************************/
|
||||
|
||||
/*
|
||||
* firebee.c -- extra startup code support for the FireBee boards
|
||||
*
|
||||
* Copyright (C) 2011, Greg Ungerer (gerg@snapgear.com)
|
||||
*/
|
||||
|
||||
/***************************************************************************/
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/io.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/mtd/mtd.h>
|
||||
#include <linux/mtd/partitions.h>
|
||||
#include <linux/mtd/physmap.h>
|
||||
#include <asm/coldfire.h>
|
||||
#include <asm/mcfsim.h>
|
||||
|
||||
/***************************************************************************/
|
||||
|
||||
/*
|
||||
* 8MB of NOR flash fitted to the FireBee board.
|
||||
*/
|
||||
#define FLASH_PHYS_ADDR 0xe0000000 /* Physical address of flash */
|
||||
#define FLASH_PHYS_SIZE 0x00800000 /* Size of flash */
|
||||
|
||||
#define PART_BOOT_START 0x00000000 /* Start at bottom of flash */
|
||||
#define PART_BOOT_SIZE 0x00040000 /* 256k in size */
|
||||
#define PART_IMAGE_START 0x00040000 /* Start after boot loader */
|
||||
#define PART_IMAGE_SIZE 0x006c0000 /* Most of flash */
|
||||
#define PART_FPGA_START 0x00700000 /* Start at offset 7MB */
|
||||
#define PART_FPGA_SIZE 0x00100000 /* 1MB in size */
|
||||
|
||||
static struct mtd_partition firebee_flash_parts[] = {
|
||||
{
|
||||
.name = "dBUG",
|
||||
.offset = PART_BOOT_START,
|
||||
.size = PART_BOOT_SIZE,
|
||||
},
|
||||
{
|
||||
.name = "FPGA",
|
||||
.offset = PART_FPGA_START,
|
||||
.size = PART_FPGA_SIZE,
|
||||
},
|
||||
{
|
||||
.name = "image",
|
||||
.offset = PART_IMAGE_START,
|
||||
.size = PART_IMAGE_SIZE,
|
||||
},
|
||||
};
|
||||
|
||||
static struct physmap_flash_data firebee_flash_data = {
|
||||
.width = 2,
|
||||
.nr_parts = ARRAY_SIZE(firebee_flash_parts),
|
||||
.parts = firebee_flash_parts,
|
||||
};
|
||||
|
||||
static struct resource firebee_flash_resource = {
|
||||
.start = FLASH_PHYS_ADDR,
|
||||
.end = FLASH_PHYS_ADDR + FLASH_PHYS_SIZE,
|
||||
.flags = IORESOURCE_MEM,
|
||||
};
|
||||
|
||||
static struct platform_device firebee_flash = {
|
||||
.name = "physmap-flash",
|
||||
.id = 0,
|
||||
.dev = {
|
||||
.platform_data = &firebee_flash_data,
|
||||
},
|
||||
.num_resources = 1,
|
||||
.resource = &firebee_flash_resource,
|
||||
};
|
||||
|
||||
/***************************************************************************/
|
||||
|
||||
static int __init init_firebee(void)
|
||||
{
|
||||
platform_device_register(&firebee_flash);
|
||||
return 0;
|
||||
}
|
||||
|
||||
arch_initcall(init_firebee);
|
||||
|
||||
/***************************************************************************/
|
||||
112
arch/m68k/platform/coldfire/m54xx.c
Normal file
112
arch/m68k/platform/coldfire/m54xx.c
Normal file
@@ -0,0 +1,112 @@
|
||||
/***************************************************************************/
|
||||
|
||||
/*
|
||||
* linux/arch/m68knommu/platform/54xx/config.c
|
||||
*
|
||||
* Copyright (C) 2010, Philippe De Muyter <phdm@macqel.be>
|
||||
*/
|
||||
|
||||
/***************************************************************************/
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/param.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/io.h>
|
||||
#include <linux/mm.h>
|
||||
#include <linux/bootmem.h>
|
||||
#include <asm/pgalloc.h>
|
||||
#include <asm/machdep.h>
|
||||
#include <asm/coldfire.h>
|
||||
#include <asm/m54xxsim.h>
|
||||
#include <asm/mcfuart.h>
|
||||
#include <asm/m54xxgpt.h>
|
||||
#include <asm/mcfgpio.h>
|
||||
#ifdef CONFIG_MMU
|
||||
#include <asm/mmu_context.h>
|
||||
#endif
|
||||
|
||||
/***************************************************************************/
|
||||
|
||||
struct mcf_gpio_chip mcf_gpio_chips[] = { };
|
||||
|
||||
unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);
|
||||
|
||||
/***************************************************************************/
|
||||
|
||||
static void __init m54xx_uarts_init(void)
|
||||
{
|
||||
/* enable io pins */
|
||||
__raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD,
|
||||
MCF_MBAR + MCF_PAR_PSC(0));
|
||||
__raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD | MCF_PAR_PSC_RTS_RTS,
|
||||
MCF_MBAR + MCF_PAR_PSC(1));
|
||||
__raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD | MCF_PAR_PSC_RTS_RTS |
|
||||
MCF_PAR_PSC_CTS_CTS, MCF_MBAR + MCF_PAR_PSC(2));
|
||||
__raw_writeb(MCF_PAR_PSC_TXD | MCF_PAR_PSC_RXD,
|
||||
MCF_MBAR + MCF_PAR_PSC(3));
|
||||
}
|
||||
|
||||
/***************************************************************************/
|
||||
|
||||
static void mcf54xx_reset(void)
|
||||
{
|
||||
/* disable interrupts and enable the watchdog */
|
||||
asm("movew #0x2700, %sr\n");
|
||||
__raw_writel(0, MCF_MBAR + MCF_GPT_GMS0);
|
||||
__raw_writel(MCF_GPT_GCIR_CNT(1), MCF_MBAR + MCF_GPT_GCIR0);
|
||||
__raw_writel(MCF_GPT_GMS_WDEN | MCF_GPT_GMS_CE | MCF_GPT_GMS_TMS(4),
|
||||
MCF_MBAR + MCF_GPT_GMS0);
|
||||
}
|
||||
|
||||
/***************************************************************************/
|
||||
|
||||
#ifdef CONFIG_MMU
|
||||
|
||||
unsigned long num_pages;
|
||||
|
||||
static void __init mcf54xx_bootmem_alloc(void)
|
||||
{
|
||||
unsigned long start_pfn;
|
||||
unsigned long memstart;
|
||||
|
||||
/* _rambase and _ramend will be naturally page aligned */
|
||||
m68k_memory[0].addr = _rambase;
|
||||
m68k_memory[0].size = _ramend - _rambase;
|
||||
|
||||
/* compute total pages in system */
|
||||
num_pages = (_ramend - _rambase) >> PAGE_SHIFT;
|
||||
|
||||
/* page numbers */
|
||||
memstart = PAGE_ALIGN(_ramstart);
|
||||
min_low_pfn = _rambase >> PAGE_SHIFT;
|
||||
start_pfn = memstart >> PAGE_SHIFT;
|
||||
max_low_pfn = _ramend >> PAGE_SHIFT;
|
||||
high_memory = (void *)_ramend;
|
||||
|
||||
m68k_virt_to_node_shift = fls(_ramend - _rambase - 1) - 6;
|
||||
module_fixup(NULL, __start_fixup, __stop_fixup);
|
||||
|
||||
/* setup bootmem data */
|
||||
m68k_setup_node(0);
|
||||
memstart += init_bootmem_node(NODE_DATA(0), start_pfn,
|
||||
min_low_pfn, max_low_pfn);
|
||||
free_bootmem_node(NODE_DATA(0), memstart, _ramend - memstart);
|
||||
}
|
||||
|
||||
#endif /* CONFIG_MMU */
|
||||
|
||||
/***************************************************************************/
|
||||
|
||||
void __init config_BSP(char *commandp, int size)
|
||||
{
|
||||
#ifdef CONFIG_MMU
|
||||
mcf54xx_bootmem_alloc();
|
||||
mmu_context_init();
|
||||
#endif
|
||||
mach_reset = mcf54xx_reset;
|
||||
mach_sched_init = hw_timer_init;
|
||||
m54xx_uarts_init();
|
||||
}
|
||||
|
||||
/***************************************************************************/
|
||||
Reference in New Issue
Block a user