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[ARM] 3957/1: AT91: Physically mapped flash on DK and EK boards

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This patch converts the old CONFIG_MTD_PHYSMAP_ options to the new
physmap API by creating a physmap platform device for the NOR flash
found on the Atmel AT91RM9200-DK and AT91RM9200-EK boards.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Andrew Victor 2006-12-01 10:55:15 +01:00 committed by Russell King
parent 330d741b06
commit fcc63716a5
4 changed files with 68 additions and 8 deletions
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10
arch/arm/configs/at91rm9200dk_defconfig
View File

@ -357,9 +357,9 @@ CONFIG_MTD_CFI_UTIL=y
#
# CONFIG_MTD_COMPLEX_MAPPINGS is not set
CONFIG_MTD_PHYSMAP=y
CONFIG_MTD_PHYSMAP_START=0x10000000
CONFIG_MTD_PHYSMAP_LEN=0x200000
CONFIG_MTD_PHYSMAP_BANKWIDTH=2
CONFIG_MTD_PHYSMAP_START=0
CONFIG_MTD_PHYSMAP_LEN=0
CONFIG_MTD_PHYSMAP_BANKWIDTH=0
# CONFIG_MTD_ARM_INTEGRATOR is not set
# CONFIG_MTD_IMPA7 is not set
# CONFIG_MTD_PLATRAM is not set
@ -585,7 +585,9 @@ CONFIG_AT91RM9200_WATCHDOG=y
# CONFIG_USBPCWATCHDOG is not set
# CONFIG_NVRAM is not set
# CONFIG_RTC is not set
CONFIG_AT91_RTC=y
CONFIG_RTC_LIB=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_AT91RM9200=y
# CONFIG_DTLK is not set
# CONFIG_R3964 is not set

10
arch/arm/configs/at91rm9200ek_defconfig
View File

@ -348,9 +348,9 @@ CONFIG_MTD_CFI_UTIL=y
#
# CONFIG_MTD_COMPLEX_MAPPINGS is not set
CONFIG_MTD_PHYSMAP=y
CONFIG_MTD_PHYSMAP_START=0x10000000
CONFIG_MTD_PHYSMAP_LEN=0x800000
CONFIG_MTD_PHYSMAP_BANKWIDTH=2
CONFIG_MTD_PHYSMAP_START=0
CONFIG_MTD_PHYSMAP_LEN=0
CONFIG_MTD_PHYSMAP_BANKWIDTH=0
# CONFIG_MTD_ARM_INTEGRATOR is not set
# CONFIG_MTD_IMPA7 is not set
# CONFIG_MTD_PLATRAM is not set
@ -566,7 +566,9 @@ CONFIG_AT91RM9200_WATCHDOG=y
# CONFIG_USBPCWATCHDOG is not set
# CONFIG_NVRAM is not set
# CONFIG_RTC is not set
CONFIG_AT91_RTC=y
CONFIG_RTC_LIB=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_AT91RM9200=y
# CONFIG_DTLK is not set
# CONFIG_R3964 is not set

28
arch/arm/mach-at91rm9200/board-dk.c
View File

@ -27,6 +27,7 @@
#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>
@ -39,6 +40,7 @@
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
#include <asm/arch/at91rm9200_mc.h>
#include "generic.h"
@ -145,6 +147,30 @@ static struct at91_nand_data __initdata dk_nand_data = {
.partition_info = nand_partitions,
};
#define DK_FLASH_BASE AT91_CHIPSELECT_0
#define DK_FLASH_SIZE 0x200000
static struct physmap_flash_data dk_flash_data = {
.width = 2,
};
static struct resource dk_flash_resource = {
.start = DK_FLASH_BASE,
.end = DK_FLASH_BASE + DK_FLASH_SIZE - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device dk_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &dk_flash_data,
},
.resource = &dk_flash_resource,
.num_resources = 1,
};
static void __init dk_board_init(void)
{
/* Serial */
@ -172,6 +198,8 @@ static void __init dk_board_init(void)
#endif
/* NAND */
at91_add_device_nand(&dk_nand_data);
/* NOR Flash */
platform_device_register(&dk_flash);
/* VGA */
// dk_add_device_video();
}

28
arch/arm/mach-at91rm9200/board-ek.c
View File

@ -27,6 +27,7 @@
#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>
@ -39,6 +40,7 @@
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
#include <asm/arch/at91rm9200_mc.h>
#include "generic.h"
@ -107,6 +109,30 @@ static struct spi_board_info ek_spi_devices[] = {
#endif
};
#define EK_FLASH_BASE AT91_CHIPSELECT_0
#define EK_FLASH_SIZE 0x200000
static struct physmap_flash_data ek_flash_data = {
.width = 2,
};
static struct resource ek_flash_resource = {
.start = EK_FLASH_BASE,
.end = EK_FLASH_BASE + EK_FLASH_SIZE - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device ek_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &ek_flash_data,
},
.resource = &ek_flash_resource,
.num_resources = 1,
};
static void __init ek_board_init(void)
{
/* Serial */
@ -130,6 +156,8 @@ static void __init ek_board_init(void)
at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
at91_add_device_mmc(&ek_mmc_data);
#endif
/* NOR Flash */
platform_device_register(&ek_flash);
/* VGA */
// ek_add_device_video();
}