From 9ccb86264a5f99463865292adbbdf72b2eb6153a Mon Sep 17 00:00:00 2001
From: Mike Baker <mbm@openwrt.org>
Date: Wed, 31 Jan 2007 00:11:27 +0000
Subject: basic pxa support; likely broken

SVN-Revision: 6232
---
 target/linux/pxa-2.6/patches/005-mtd.patch | 111 +++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 target/linux/pxa-2.6/patches/005-mtd.patch

(limited to 'target/linux/pxa-2.6/patches/005-mtd.patch')

diff --git a/target/linux/pxa-2.6/patches/005-mtd.patch b/target/linux/pxa-2.6/patches/005-mtd.patch
new file mode 100644
index 0000000000..6156b6a930
--- /dev/null
+++ b/target/linux/pxa-2.6/patches/005-mtd.patch
@@ -0,0 +1,111 @@
+diff -Nurb linux-2.6.17/drivers/mtd/chips/cfi_cmdset_0001.c linux-2.6.17-patched/drivers/mtd/chips/cfi_cmdset_0001.c
+--- linux-2.6.17/drivers/mtd/chips/cfi_cmdset_0001.c	2006-06-17 18:49:35.000000000 -0700
++++ linux-2.6.17-patched/drivers/mtd/chips/cfi_cmdset_0001.c	2006-09-25 11:27:06.000000000 -0700
+@@ -40,7 +40,7 @@
+ /* #define CMDSET0001_DISABLE_WRITE_SUSPEND */
+ 
+ // debugging, turns off buffer write mode if set to 1
+-#define FORCE_WORD_WRITE 0
++#define FORCE_WORD_WRITE 1
+ 
+ #define MANUFACTURER_INTEL	0x0089
+ #define I82802AB	0x00ad
+diff -Nurb linux-2.6.17/drivers/mtd/maps/lubbock-flash.c linux-2.6.17-patched/drivers/mtd/maps/lubbock-flash.c
+--- linux-2.6.17/drivers/mtd/maps/lubbock-flash.c	2006-06-17 18:49:35.000000000 -0700
++++ linux-2.6.17-patched/drivers/mtd/maps/lubbock-flash.c	2006-09-25 10:50:08.000000000 -0700
+@@ -26,6 +26,7 @@
+ #include <asm/hardware.h>
+ #include <asm/arch/pxa-regs.h>
+ #include <asm/arch/lubbock.h>
++#include <linux/mtd/concat.h>
+ 
+ 
+ #define ROM_ADDR	0x00000000
+@@ -48,24 +49,27 @@
+ 	.inval_cache = 	lubbock_map_inval_cache,
+ } };
+ 
+-static struct mtd_partition lubbock_partitions[] = {
++static struct mtd_partition lubbock_partitions[] =
++{
+ 	{
+-		.name =		"Bootloader",
+-		.size =		0x00040000,
+-		.offset =	0,
+-		.mask_flags =	MTD_WRITEABLE  /* force read-only */
+-	},{
+-		.name =		"Kernel",
+-		.size =		0x00100000,
+-		.offset =	0x00040000,
+-	},{
+-		.name =		"Filesystem",
+-		.size =		MTDPART_SIZ_FULL,
+-		.offset =	0x00140000
+-	}
++		.name   =   "root",
++		.offset =   0x00410000
++	},
++	{
++		.name   =  "kernel",
++		.size   =  0x00150000,
++		.offset =  0x000B0000
++	},
++	{
++		.name   =  "bootloader",
++		.size   =  0x000B0000,
++		.offset =  0x00000000
++	},
+ };
+ 
++
+ static struct mtd_info *mymtds[2];
++static struct mtd_info *merged_mtd;
+ static struct mtd_partition *parsed_parts[2];
+ static int nr_parsed_parts[2];
+ 
+@@ -83,8 +87,8 @@
+ 	printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
+ 	       flashboot?"Flash":"ROM", flashboot);
+ 
+-	lubbock_maps[flashboot^1].name = "Lubbock Application Flash";
+-	lubbock_maps[flashboot].name = "Lubbock Boot ROM";
++	lubbock_maps[flashboot^1].name = "Flash-1";
++	lubbock_maps[flashboot].name = "Flash-0";
+ 
+ 	for (i = 0; i < 2; i++) {
+ 		lubbock_maps[i].virt = ioremap(lubbock_maps[i].phys, WINDOW_SIZE);
+@@ -125,25 +129,23 @@
+ 	if (!mymtds[0] && !mymtds[1])
+ 		return ret;
+ 
+-	for (i = 0; i < 2; i++) {
+-		if (!mymtds[i]) {
+-			printk(KERN_WARNING "%s is absent. Skipping\n", lubbock_maps[i].name);
+-		} else if (nr_parsed_parts[i]) {
+-			add_mtd_partitions(mymtds[i], parsed_parts[i], nr_parsed_parts[i]);
+-		} else if (!i) {
+-			printk("Using static partitions on %s\n", lubbock_maps[i].name);
+-			add_mtd_partitions(mymtds[i], lubbock_partitions, ARRAY_SIZE(lubbock_partitions));
+-		} else {
+-			printk("Registering %s as whole device\n", lubbock_maps[i].name);
+-			add_mtd_device(mymtds[i]);
+-		}
+-	}
++	if (mymtds[0] && mymtds[1]) {
++		merged_mtd = mtd_concat_create(mymtds, 2, "Concated Flash #1 and #2");
++		if(merged_mtd)
++			add_mtd_partitions(merged_mtd, lubbock_partitions, ARRAY_SIZE(lubbock_partitions));
++		else
++			printk("YoKu: Failed to concate\n");
+ 	return 0;
++	}
+ }
+ 
+ static void __exit cleanup_lubbock(void)
+ {
+ 	int i;
++
++	del_mtd_partitions(merged_mtd);
++	map_destroy(merged_mtd);
++
+ 	for (i = 0; i < 2; i++) {
-- 
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