Commit 127a7ec6 authored by Andrew Victor's avatar Andrew Victor Committed by Russell King
Browse files

[ARM] 4148/1: AT91: Physically mapped flash on CSB337 and CSB637 boards. 



Define the physically mapped flash on the Cogent CSB337 and CSB637
boards.

Signed-off-by: default avatarAndrew Victor <andrew@sanpeople.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent c177a1e7

arch/arm/configs/csb337_defconfig

+4 −2
Original line number Diff line number Diff line
@@ -355,10 +355,12 @@ CONFIG_MTD_CFI_UTIL=y 
# Mapping drivers for chip access

#

# CONFIG_MTD_COMPLEX_MAPPINGS is not set

# CONFIG_MTD_PHYSMAP is not set

CONFIG_MTD_PHYSMAP=y

CONFIG_MTD_PHYSMAP_START=0

CONFIG_MTD_PHYSMAP_LEN=0

CONFIG_MTD_PHYSMAP_BANKWIDTH=0

# CONFIG_MTD_ARM_INTEGRATOR is not set

# CONFIG_MTD_PLATRAM is not set

CONFIG_MTD_CSB337=y



#

# Self-contained MTD device drivers

arch/arm/configs/csb637_defconfig

+4 −2
Original line number Diff line number Diff line
@@ -355,10 +355,12 @@ CONFIG_MTD_CFI_UTIL=y 
# Mapping drivers for chip access

#

# CONFIG_MTD_COMPLEX_MAPPINGS is not set

# CONFIG_MTD_PHYSMAP is not set

CONFIG_MTD_PHYSMAP=y

CONFIG_MTD_PHYSMAP_START=0

CONFIG_MTD_PHYSMAP_LEN=0

CONFIG_MTD_PHYSMAP_BANKWIDTH=0

# CONFIG_MTD_ARM_INTEGRATOR is not set

# CONFIG_MTD_PLATRAM is not set

CONFIG_MTD_CSB637=y



#

# Self-contained MTD device drivers

arch/arm/mach-at91/board-csb337.c

+39 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ 
#include <linux/module.h>

#include <linux/platform_device.h>

#include <linux/spi/spi.h>

#include <linux/mtd/physmap.h>



#include <asm/hardware.h>

#include <asm/setup.h>
@@ -112,6 +113,42 @@ static struct spi_board_info csb337_spi_devices[] = { 
	},

};



#define CSB_FLASH_BASE	AT91_CHIPSELECT_0

#define CSB_FLASH_SIZE	0x800000



static struct mtd_partition csb_flash_partitions[] = {

	{

		.name		= "uMON flash",

		.offset		= 0,

		.size		= MTDPART_SIZ_FULL,

		.mask_flags	= MTD_WRITEABLE,	/* read only */

	}

};



static struct physmap_flash_data csb_flash_data = {

	.width		= 2,

	.parts		= csb_flash_partitions,

	.nr_parts	= ARRAY_SIZE(csb_flash_partitions),

};



static struct resource csb_flash_resources[] = {

	{

		.start	= CSB_FLASH_BASE,

		.end	= CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,

		.flags	= IORESOURCE_MEM,

	}

};



static struct platform_device csb_flash = {

	.name		= "physmap-flash",

	.id		= 0,

	.dev		= {

				.platform_data = &csb_flash_data,

			},

	.resource	= csb_flash_resources,

	.num_resources	= ARRAY_SIZE(csb_flash_resources),

};



static void __init csb337_board_init(void)

{

	/* Serial */
@@ -131,6 +168,8 @@ static void __init csb337_board_init(void) 
	at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices));

	/* MMC */

	at91_add_device_mmc(0, &csb337_mmc_data);

	/* NOR flash */

	platform_device_register(&csb_flash);

}



MACHINE_START(CSB337, "Cogent CSB337")

arch/arm/mach-at91/board-csb637.c

+39 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ 
#include <linux/mm.h>

#include <linux/module.h>

#include <linux/platform_device.h>

#include <linux/mtd/physmap.h>



#include <asm/hardware.h>

#include <asm/setup.h>
@@ -81,6 +82,42 @@ static struct at91_udc_data __initdata csb637_udc_data = { 
	.pullup_pin   = AT91_PIN_PB1,

};



#define CSB_FLASH_BASE	AT91_CHIPSELECT_0

#define CSB_FLASH_SIZE	0x1000000



static struct mtd_partition csb_flash_partitions[] = {

	{

		.name		= "uMON flash",

		.offset		= 0,

		.size		= MTDPART_SIZ_FULL,

		.mask_flags	= MTD_WRITEABLE,	/* read only */

	}

};



static struct physmap_flash_data csb_flash_data = {

	.width		= 2,

	.parts		= csb_flash_partitions,

	.nr_parts	= ARRAY_SIZE(csb_flash_partitions),

};



static struct resource csb_flash_resources[] = {

	{

		.start	= CSB_FLASH_BASE,

		.end	= CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,

		.flags	= IORESOURCE_MEM,

	}

};



static struct platform_device csb_flash = {

	.name		= "physmap-flash",

	.id		= 0,

	.dev		= {

				.platform_data = &csb_flash_data,

			},

	.resource	= csb_flash_resources,

	.num_resources	= ARRAY_SIZE(csb_flash_resources),

};



static void __init csb637_board_init(void)

{

	/* Serial */
@@ -95,6 +132,8 @@ static void __init csb637_board_init(void) 
	at91_add_device_i2c();

	/* SPI */

	at91_add_device_spi(NULL, 0);

	/* NOR flash */

	platform_device_register(&csb_flash);

}



MACHINE_START(CSB637, "Cogent CSB637")

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