fix magicbox, convert mtd mapping to platform_device, add support for combined flash...
[openwrt-10.03/.git] / target / linux / magicbox-2.6 / files / arch / ppc / platforms / 4xx / magicbox.c
index 470fbc4e089fe850d46bdaeeb242e9900b03594d..e65319bc613cb766f384bf03e0b33ac649eed9c9 100644 (file)
@@ -24,6 +24,9 @@
 #include <linux/tty.h>
 #include <linux/serial.h>
 #include <linux/serial_core.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
 
 #include <asm/system.h>
 #include <asm/pci-bridge.h>
@@ -214,6 +217,50 @@ bios_fixup(struct pci_controller *hose, struct pcil0_regs *pcip)
 #endif /* DEBUG */
 }
 
+static struct resource magicbox_flash_resource = {
+       .start = 0xffc00000,
+       .end   = 0xffffffffULL,
+       .flags = IORESOURCE_MEM,
+};
+
+static struct mtd_partition magicbox_flash_parts[] = {
+       {
+               .name = "linux",
+               .offset = 0x0,
+               .size = 0x3c0000,
+       },
+       {
+               .name = "rootfs",
+               .offset = 0x100000,
+               .size = 0x2c0000,
+       }
+};
+
+static struct physmap_flash_data magicbox_flash_data = {
+       .width          = 2,
+       .parts          = magicbox_flash_parts,
+       .nr_parts       = ARRAY_SIZE(magicbox_flash_parts),
+};
+
+static struct platform_device magicbox_flash_device = {
+       .name           = "physmap-flash",
+       .id             = 0,
+       .dev = {
+                       .platform_data = &magicbox_flash_data,
+               },
+       .num_resources  = 1,
+       .resource       = &magicbox_flash_resource,
+};
+
+static int magicbox_setup_flash(void)
+{
+       platform_device_register(&magicbox_flash_device);
+
+       return 0;
+};
+
+arch_initcall (magicbox_setup_flash);
+
 void __init
 magicbox_setup_arch(void)
 {