Blackfin arch: use physmap in board resources rather than legacy config method
Mike Frysinger [Tue, 18 Nov 2008 09:48:22 +0000 (17:48 +0800)]
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

arch/blackfin/configs/CM-BF548_defconfig
arch/blackfin/mach-bf548/boards/cm_bf548.c

index a0d32a1..2e91e49 100644 (file)
@@ -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
index 3c1d9db..5857f3d 100644 (file)
@@ -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 = &para_flash_data,
+       },
+       .num_resources = 1,
+       .resource      = &para_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)
+       &para_flash_device,
+#endif
 };
 
 static int __init cm_bf548_init(void)