From 2de73e71c298842db814556379cbe25f5c14691e Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier.adi@gmail.com>
Date: Tue, 18 Nov 2008 17:48:22 +0800
Subject: [PATCH] Blackfin arch: use physmap in board resources rather than
legacy config method
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
---
arch/blackfin/configs/CM-BF548_defconfig | 2 +-
arch/blackfin/mach-bf548/boards/cm_bf548.c | 45 ++++++++++++++++++++++
2 files changed, 46 insertions(+), 1 deletion(-)
diff --git a/arch/blackfin/configs/CM-BF548_defconfig b/arch/blackfin/configs/CM-BF548_defconfig
index a0d32a1afc1f..2e91e492aca2 100644
--- a/arch/blackfin/configs/CM-BF548_defconfig
+++ b/arch/blackfin/configs/CM-BF548_defconfig
@@ -543,7 +543,7 @@ CONFIG_MTD_RAM=y
CONFIG_MTD_COMPLEX_MAPPINGS=y
CONFIG_MTD_PHYSMAP=y
CONFIG_MTD_PHYSMAP_START=0x20000000
-CONFIG_MTD_PHYSMAP_LEN=0x800000
+CONFIG_MTD_PHYSMAP_LEN=0
CONFIG_MTD_PHYSMAP_BANKWIDTH=2
# CONFIG_MTD_UCLINUX is not set
# CONFIG_MTD_PLATRAM is not set
diff --git a/arch/blackfin/mach-bf548/boards/cm_bf548.c b/arch/blackfin/mach-bf548/boards/cm_bf548.c
index 3c1d9dbeb27b..5857f3d7e515 100644
--- a/arch/blackfin/mach-bf548/boards/cm_bf548.c
+++ b/arch/blackfin/mach-bf548/boards/cm_bf548.c
@@ -32,6 +32,7 @@
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/irq.h>
@@ -378,6 +379,46 @@ static struct platform_device bf54x_sdh_device = {
};
#endif
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+static struct mtd_partition para_partitions[] = {
+ {
+ .name = "bootloader(nor)",
+ .size = 0x40000,
+ .offset = 0,
+ }, {
+ .name = "linux kernel(nor)",
+ .size = 0x400000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .name = "file system(nor)",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+
+static struct physmap_flash_data para_flash_data = {
+ .width = 2,
+ .parts = para_partitions,
+ .nr_parts = ARRAY_SIZE(para_partitions),
+};
+
+static struct resource para_flash_resource = {
+ .start = 0x20000000,
+ .end = 0x207fffff,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device para_flash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = ¶_flash_data,
+ },
+ .num_resources = 1,
+ .resource = ¶_flash_resource,
+};
+#endif
+
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
/* all SPI peripherals info goes here */
#if defined(CONFIG_MTD_M25P80) \
@@ -688,6 +729,10 @@ static struct platform_device *cm_bf548_devices[] __initdata = {
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
&bfin_device_gpiokeys,
#endif
+
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+ ¶_flash_device,
+#endif
};
static int __init cm_bf548_init(void)
--
2.34.1