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authorBarry Song <barry.song@analog.com>2009-08-03 04:40:36 +0000
committerMike Frysinger <vapier@gentoo.org>2009-09-16 22:10:15 -0400
commitf1cb64625c4f5309747b8067a309e0bcc630b303 (patch)
tree8b4ce9dfbd973311bceee532ae179303b13212bc /arch/blackfin
parentac860751eb2cb1bdf8bb341d849b38c483f5d83b (diff)
Blackfin: bf538-ezkit: add resources for parallel flash
The board has some parallel flash hooked up to the async banks, so add appropriate physmap resources for it. Signed-off-by: Barry Song <barry.song@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/mach-bf538/boards/ezkit.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf538/boards/ezkit.c b/arch/blackfin/mach-bf538/boards/ezkit.c
index 42297fad46b..9113f60d65f 100644
--- a/arch/blackfin/mach-bf538/boards/ezkit.c
+++ b/arch/blackfin/mach-bf538/boards/ezkit.c
@@ -31,6 +31,7 @@
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
+#include <linux/mtd/physmap.h>
#include <linux/mtd/partitions.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
@@ -561,6 +562,50 @@ static struct platform_device bfin_dpmc = {
},
};
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+static struct mtd_partition ezkit_partitions[] = {
+ {
+ .name = "bootloader(nor)",
+ .size = 0x40000,
+ .offset = 0,
+ }, {
+ .name = "linux kernel(nor)",
+ .size = 0x180000,
+ .offset = MTDPART_OFS_APPEND,
+ }, {
+ .name = "file system(nor)",
+ .size = MTDPART_SIZ_FULL,
+ .offset = MTDPART_OFS_APPEND,
+ }
+};
+
+static struct physmap_flash_data ezkit_flash_data = {
+ .width = 2,
+ .parts = ezkit_partitions,
+ .nr_parts = ARRAY_SIZE(ezkit_partitions),
+};
+
+static struct resource ezkit_flash_resource = {
+ .start = 0x20000000,
+#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
+ .end = 0x202fffff,
+#else
+ .end = 0x203fffff,
+#endif
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device ezkit_flash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &ezkit_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &ezkit_flash_resource,
+};
+#endif
+
static struct platform_device *cm_bf538_devices[] __initdata = {
&bfin_dpmc,
@@ -609,6 +654,10 @@ static struct platform_device *cm_bf538_devices[] __initdata = {
#endif
&bfin_gpios_device,
+
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+ &ezkit_flash_device,
+#endif
};
static int __init ezkit_init(void)