1 files changed, 89 insertions, 3 deletions

diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index a48c64026e1f..07892f4012d8 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -14,12 +14,15 @@
  */
 
 #include <linux/init.h>
-#include <linux/device.h>
+#include <linux/platform_device.h>
 #include <linux/sysdev.h>
 #include <linux/interrupt.h>
 #include <linux/sched.h>
 #include <linux/bitops.h>
 #include <linux/fb.h>
+#include <linux/ioport.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
 
 #include <asm/types.h>
 #include <asm/setup.h>
@@ -27,10 +30,12 @@
 #include <asm/mach-types.h>
 #include <asm/hardware.h>
 #include <asm/irq.h>
+#include <asm/sizes.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <asm/mach/irq.h>
+#include <asm/mach/flash.h>
 
 #include <asm/arch/pxa-regs.h>
 #include <asm/arch/mainstone.h>
@@ -190,6 +195,69 @@ static struct platform_device mst_audio_device = {
         .dev            = { .platform_data = &mst_audio_ops },
 };
 
+static struct resource flash_resources[] = {
+        [0] = {
+                .start  = PXA_CS0_PHYS,
+                .end    = PXA_CS0_PHYS + SZ_64M - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = PXA_CS1_PHYS,
+                .end    = PXA_CS1_PHYS + SZ_64M - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+static struct mtd_partition mainstoneflash0_partitions[] = {
+        {
+                .name =         "Bootloader",
+                .size =         0x00040000,
+                .offset =       0,
+                .mask_flags =   MTD_WRITEABLE  /* force read-only */
+        },{
+                .name =         "Kernel",
+                .size =         0x00400000,
+                .offset =       0x00040000,
+        },{
+                .name =         "Filesystem",
+                .size =         MTDPART_SIZ_FULL,
+                .offset =       0x00440000
+        }
+};
+
+static struct flash_platform_data mst_flash_data[2] = {
+        {
+                .map_name       = "cfi_probe",
+                .parts          = mainstoneflash0_partitions,
+                .nr_parts       = ARRAY_SIZE(mainstoneflash0_partitions),
+        }, {
+                .map_name       = "cfi_probe",
+                .parts          = NULL,
+                .nr_parts       = 0,
+        }
+};
+
+static struct platform_device mst_flash_device[2] = {
+        {
+                .name           = "pxa2xx-flash",
+                .id             = 0,
+                .dev = {
+                        .platform_data = &mst_flash_data[0],
+                },
+                .resource = &flash_resources[0],
+                .num_resources = 1,
+        },
+        {
+                .name           = "pxa2xx-flash",
+                .id             = 1,
+                .dev = {
+                        .platform_data = &mst_flash_data[1],
+                },
+                .resource = &flash_resources[1],
+                .num_resources = 1,
+        },
+};
+
 static void mainstone_backlight_power(int on)
 {
         if (on) {
@@ -318,16 +386,34 @@ static struct pxaficp_platform_data mainstone_ficp_platform_data = {
         .transceiver_mode = mainstone_irda_transceiver_mode,
 };
 
+static struct platform_device *platform_devices[] __initdata = {
+        &smc91x_device,
+        &mst_audio_device,
+        &mst_flash_device[0],
+        &mst_flash_device[1],
+};
+
 static void __init mainstone_init(void)
 {
+        int SW7 = 0;  /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
+
+        mst_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4;
+        mst_flash_data[1].width = 4;
+
+        /* Compensate for SW7 which swaps the flash banks */
+        mst_flash_data[SW7].name = "processor-flash";
+        mst_flash_data[SW7 ^ 1].name = "mainboard-flash";
+
+        printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
+               mst_flash_data[0].name);
+
         /*
          * On Mainstone, we route AC97_SYSCLK via GPIO45 to
          * the audio daughter card
          */
         pxa_gpio_mode(GPIO45_SYSCLK_AC97_MD);
 
-        platform_device_register(&smc91x_device);
-        platform_device_register(&mst_audio_device);
+        platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 
         /* reading Mainstone's "Virtual Configuration Register"
            might be handy to select LCD type here */