Blackfin: bf538-ezkit: add resources for parallel flash
Barry Song [Mon, 3 Aug 2009 04:40:36 +0000 (04:40 +0000)]
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>

arch/blackfin/mach-bf538/boards/ezkit.c

index 42297fa..9113f60 100644 (file)
@@ -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)