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Commit 96754a1f authored by Alexander Shiyan's avatar Alexander Shiyan Committed by Olof Johansson
Browse files

ARM: clps711x: edb7211: Add support for NOR-Flash 



Signed-off-by: default avatarAlexander Shiyan <shc_work@mail.ru>
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parent 94760bf2

arch/arm/mach-clps711x/edb7211.c

+35 −10
Original line number Diff line number Diff line
@@ -16,6 +16,9 @@ 
#include <linux/backlight.h>

#include <linux/platform_device.h>



#include <linux/mtd/physmap.h>

#include <linux/mtd/partitions.h>



#include <asm/setup.h>

#include <asm/mach/map.h>

#include <asm/mach/arch.h>
@@ -33,6 +36,8 @@ 
#define EDB7211_LCDEN		CLPS711X_GPIO(3, 2)

#define EDB7211_LCDBL		CLPS711X_GPIO(3, 3)



#define EDB7211_FLASH0_BASE	(CS0_PHYS_BASE)

#define EDB7211_FLASH1_BASE	(CS1_PHYS_BASE)

#define EDB7211_CS8900_BASE	(CS2_PHYS_BASE + 0x300)

#define EDB7211_CS8900_IRQ	(IRQ_EINT3)
@@ -41,6 +46,35 @@ static struct resource edb7211_cs8900_resource[] __initdata = { 
	DEFINE_RES_IRQ(EDB7211_CS8900_IRQ),

};



static struct mtd_partition edb7211_flash_partitions[] __initdata = {

	{

		.name	= "Flash",

		.offset	= 0,

		.size	= MTDPART_SIZ_FULL,

	},

};



static struct physmap_flash_data edb7211_flash_pdata __initdata = {

	.width		= 4,

	.parts		= edb7211_flash_partitions,

	.nr_parts	= ARRAY_SIZE(edb7211_flash_partitions),

};



static struct resource edb7211_flash_resources[] __initdata = {

	DEFINE_RES_MEM(EDB7211_FLASH0_BASE, SZ_8M),

	DEFINE_RES_MEM(EDB7211_FLASH1_BASE, SZ_8M),

};



static struct platform_device edb7211_flash_pdev __initdata = {

	.name		= "physmap-flash",

	.id		= 0,

	.resource	= edb7211_flash_resources,

	.num_resources	= ARRAY_SIZE(edb7211_flash_resources),

	.dev	= {

		.platform_data	= &edb7211_flash_pdata,

	},

};



static void edb7211_lcd_power_set(struct plat_lcd_data *pd, unsigned int power)

{

	if (power) {
@@ -82,16 +116,6 @@ static struct map_desc edb7211_io_desc[] __initdata = { 
		.pfn		= __phys_to_pfn(EP7211_PHYS_EXTKBD),

		.length		= SZ_1M,

		.type		= MT_DEVICE,

	}, {	/* Flash bank 0 */

		.virtual	= IO_ADDRESS(EP7211_PHYS_FLASH1),

		.pfn		= __phys_to_pfn(EP7211_PHYS_FLASH1),

		.length		= SZ_8M,

		.type		= MT_DEVICE,

	}, {	/* Flash bank 1 */

		.virtual	= IO_ADDRESS(EP7211_PHYS_FLASH2),

		.pfn		= __phys_to_pfn(EP7211_PHYS_FLASH2),

		.length		= SZ_8M,

		.type		= MT_DEVICE,

	},

};
@@ -129,6 +153,7 @@ static void __init edb7211_init(void) 
{

	gpio_request_array(edb7211_gpios, ARRAY_SIZE(edb7211_gpios));



	platform_device_register(&edb7211_flash_pdev);

	platform_device_register_data(&platform_bus, "platform-lcd", 0,

				      &edb7211_lcd_power_pdata,

				      sizeof(edb7211_lcd_power_pdata));

arch/arm/mach-clps711x/include/mach/hardware.h

+0 −4
Original line number Diff line number Diff line
@@ -75,10 +75,6 @@ 
/* The extra 8 lines of the keyboard matrix are wired to chip select 3 */

#define EP7211_PHYS_EXTKBD	CS3_PHYS_BASE



/* The two flash banks are wired to chip selects 0 and 1 */

#define EP7211_PHYS_FLASH1	CS0_PHYS_BASE

#define EP7211_PHYS_FLASH2	CS1_PHYS_BASE



#endif /* CONFIG_ARCH_EDB7211 */



#endif