Hi,
Here's a minimal patch to add onenand support for SDPs.
Tony
>From b8a6a05466f241454e73966dd5b1446216fed3db Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@xxxxxxxxxxx>
Date: Mon, 15 Jun 2009 15:43:37 +0300
Subject: [PATCH] OMAP2/3: Add support for flash on SDP boards
Add support for flash on SDP boards. Currently only onenand
is supported.
Only tested on 3430SDP, somebody please test on 2430SDP.
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 1f86f11..a0c2ac1 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -44,6 +44,7 @@ obj-$(CONFIG_OMAP_IOMMU) += $(iommu-y)
obj-$(CONFIG_MACH_OMAP_GENERIC) += board-generic.o
obj-$(CONFIG_MACH_OMAP_H4) += board-h4.o
obj-$(CONFIG_MACH_OMAP_2430SDP) += board-2430sdp.o \
+ board-sdp-flash.o \
mmc-twl4030.o
obj-$(CONFIG_MACH_OMAP_APOLLON) += board-apollon.o
obj-$(CONFIG_MACH_OMAP3_BEAGLE) += board-omap3beagle.o \
@@ -57,6 +58,7 @@ obj-$(CONFIG_MACH_OMAP3EVM) += board-omap3evm.o \
obj-$(CONFIG_MACH_OMAP3_PANDORA) += board-omap3pandora.o \
mmc-twl4030.o
obj-$(CONFIG_MACH_OMAP_3430SDP) += board-3430sdp.o \
+ board-sdp-flash.o \
mmc-twl4030.o
obj-$(CONFIG_MACH_NOKIA_N800) += board-n800.o \
board-n800-mmc.o \
diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index 9c3fdcd..3aa106f 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -39,6 +39,7 @@
#include <mach/gpmc-smc91x.h>
#include "mmc-twl4030.h"
+#include "board-sdp.h"
#define SDP2430_CS0_BASE 0x04000000
#define SECONDARY_LCD_GPIO 147
@@ -211,6 +212,7 @@ static void __init omap_2430sdp_init(void)
twl4030_mmc_init(mmc);
usb_musb_init();
board_smc91x_init();
+ sdp_flash_init();
/* Turn off secondary LCD backlight */
ret = gpio_request(SECONDARY_LCD_GPIO, "Secondary LCD backlight");
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 21b4a52..6f16803 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -43,6 +43,7 @@
#include "sdram-qimonda-hyb18m512160af-6.h"
#include "mmc-twl4030.h"
+#include "board-sdp.h"
#define CONFIG_DISABLE_HFCLK 1
@@ -495,6 +496,7 @@ static void __init omap_3430sdp_init(void)
omap_serial_init();
usb_musb_init();
board_smc91x_init();
+ sdp_flash_init();
usb_ehci_init(EHCI_HCD_OMAP_MODE_PHY, true, true, 57, 61);
}
diff --git a/arch/arm/mach-omap2/board-sdp-flash.c b/arch/arm/mach-omap2/board-sdp-flash.c
new file mode 100644
index 0000000..1496d89
--- /dev/null
+++ b/arch/arm/mach-omap2/board-sdp-flash.c
@@ -0,0 +1,78 @@
+/*
+ * linux/arch/arm/mach-omap2/board-sdp-flash.c
+ *
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Copyright (C) 2007 Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include <mach/onenand.h>
+
+/* REVISIT: Add support for other flash memory types */
+
+#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
+ defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
+
+static struct mtd_partition board_onenand_partitions[] = {
+ {
+ .name = "X-Loader-OneNAND",
+ .offset = 0,
+ .size = 4 * (64 * 2048),
+ .mask_flags = MTD_WRITEABLE /* force read-only */
+ },
+ {
+ .name = "U-Boot-OneNAND",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 2 * (64 * 2048),
+ .mask_flags = MTD_WRITEABLE /* force read-only */
+ },
+ {
+ .name = "U-Boot Environment-OneNAND",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 1 * (64 * 2048),
+ },
+ {
+ .name = "Kernel-OneNAND",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 16 * (64 * 2048),
+ },
+ {
+ .name = "File System-OneNAND",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct omap_onenand_platform_data board_onenand_data = {
+ .cs = 2, /* REVISIT: Is this the same for 2430 SDP? */
+ .parts = board_onenand_partitions,
+ .nr_parts = ARRAY_SIZE(board_onenand_partitions),
+ .dma_channel = -1, /* disable DMA in OMAP OneNAND driver */
+};
+
+static void __init board_onenand_init(void)
+{
+ gpmc_onenand_init(&board_onenand_data);
+}
+
+#else
+
+static inline void board_onenand_init(void)
+{
+}
+
+#endif /* CONFIG_MTD_ONENAND_OMAP2 || CONFIG_MTD_ONENAND_OMAP2_MODULE */
+
+void __init sdp_flash_init(void)
+{
+ board_onenand_init();
+}
diff --git a/arch/arm/mach-omap2/board-sdp.h b/arch/arm/mach-omap2/board-sdp.h
new file mode 100644
index 0000000..ad72189
--- /dev/null
+++ b/arch/arm/mach-omap2/board-sdp.h
@@ -0,0 +1,9 @@
+/*
+ * arch/arm/plat-omap/include/mach/board-sdp.h
+ *
+ * Information structures for SDP-specific board config data
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ */
+
+extern void sdp_flash_init(void);
