[ARM] 3957/1: AT91: Physically mapped flash on DK and EK boards
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>
diff --git a/arch/arm/configs/at91rm9200dk_defconfig b/arch/arm/configs/at91rm9200dk_defconfig
index b430414..1d79360 100644
--- a/arch/arm/configs/at91rm9200dk_defconfig
+++ b/arch/arm/configs/at91rm9200dk_defconfig
@@ -357,9 +357,9 @@
#
# 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_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
diff --git a/arch/arm/configs/at91rm9200ek_defconfig b/arch/arm/configs/at91rm9200ek_defconfig
index d96fc838..16120bc 100644
--- a/arch/arm/configs/at91rm9200ek_defconfig
+++ b/arch/arm/configs/at91rm9200ek_defconfig
@@ -348,9 +348,9 @@
#
# 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_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
diff --git a/arch/arm/mach-at91rm9200/board-dk.c b/arch/arm/mach-at91rm9200/board-dk.c
index c699f39..314e1f7 100644
--- a/arch/arm/mach-at91rm9200/board-dk.c
+++ b/arch/arm/mach-at91rm9200/board-dk.c
@@ -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 @@
.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 @@
#endif
/* NAND */
at91_add_device_nand(&dk_nand_data);
+ /* NOR Flash */
+ platform_device_register(&dk_flash);
/* VGA */
// dk_add_device_video();
}
diff --git a/arch/arm/mach-at91rm9200/board-ek.c b/arch/arm/mach-at91rm9200/board-ek.c
index 830eb79..9fcfa06 100644
--- a/arch/arm/mach-at91rm9200/board-ek.c
+++ b/arch/arm/mach-at91rm9200/board-ek.c
@@ -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 @@
#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 @@
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();
}