[ARM] 3039/1: AAEC-2000 - Add MTD support

Patch from Bellido Nicolas

This adds platform code for MTD devices on AAEC-2000.

Signed-off-by: Nicolas Bellido <ml@acolin.be>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 34 insertions, 0 deletions

diff --git a/arch/arm/mach-aaec2000/core.c b/arch/arm/mach-aaec2000/core.c
index 9be6c3213254..86c5149b1721 100644
--- a/arch/arm/mach-aaec2000/core.c
+++ b/arch/arm/mach-aaec2000/core.c
@@ -13,6 +13,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/device.h>
 #include <linux/list.h>
 #include <linux/errno.h>
 #include <linux/interrupt.h>
@@ -22,6 +23,7 @@
 #include <asm/hardware.h>
 #include <asm/irq.h>
 
+#include <asm/mach/flash.h>
 #include <asm/mach/irq.h>
 #include <asm/mach/time.h>
 #include <asm/mach/map.h>
@@ -163,3 +165,32 @@ struct sys_timer aaec2000_timer = {
         .offset         = aaec2000_gettimeoffset,
 };
 
+static struct flash_platform_data aaec2000_flash_data = {
+        .map_name       = "cfi_probe",
+        .width          = 4,
+};
+
+static struct resource aaec2000_flash_resource = {
+        .start          = AAEC_FLASH_BASE,
+        .end            = AAEC_FLASH_BASE + AAEC_FLASH_SIZE,
+        .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device aaec2000_flash_device = {
+        .name           = "armflash",
+        .id             = 0,
+        .dev            = {
+                .platform_data  = &aaec2000_flash_data,
+        },
+        .num_resources  = 1,
+        .resource       = &aaec2000_flash_resource,
+};
+
+static int __init aaec2000_init(void)
+{
+        platform_device_register(&aaec2000_flash_device);
+
+        return 0;
+};
+arch_initcall(aaec2000_init);
+
diff --git a/include/asm-arm/arch-aaec2000/aaec2000.h b/include/asm-arm/arch-aaec2000/aaec2000.h
index 7472f9e5523f..dfb09389ebc1 100644
--- a/include/asm-arm/arch-aaec2000/aaec2000.h
+++ b/include/asm-arm/arch-aaec2000/aaec2000.h
@@ -23,6 +23,9 @@
 #define AAEC_CS2        0x20000000
 #define AAEC_CS3        0x30000000
 
+/* Flash */
+#define AAEC_FLASH_BASE AAEC_CS0
+#define AAEC_FLASH_SIZE SZ_64M
 
 /* Interrupt controller */
 #define IRQ_BASE        __REG(0x80000500)