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authorblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-03-14 07:33:23 +0000
committerblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-03-14 07:33:23 +0000
commitb88e8fef0599fe8df230e21080dc28d18fa07ced (patch)
tree281cce742590fd64db9b31c65278446a3bb83ea6 /target/linux/lantiq/patches/210-nor.patch
parent11bbdea2f4b04d01c48e2085cbfe5ed8fafff024 (diff)
[lantiq]
* fixes arv4510 board support * fixes nor swizzle hack * fixes gpio .can_sleep * fixes compile warning inside pci driver git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26157 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/lantiq/patches/210-nor.patch')
-rw-r--r--target/linux/lantiq/patches/210-nor.patch67
1 files changed, 13 insertions, 54 deletions
diff --git a/target/linux/lantiq/patches/210-nor.patch b/target/linux/lantiq/patches/210-nor.patch
index 5c46879966..fe2ce6de2b 100644
--- a/target/linux/lantiq/patches/210-nor.patch
+++ b/target/linux/lantiq/patches/210-nor.patch
@@ -22,7 +22,7 @@
+obj-$(CONFIG_MTD_LANTIQ) += lantiq.o
--- /dev/null
+++ b/drivers/mtd/maps/lantiq.c
-@@ -0,0 +1,173 @@
+@@ -0,0 +1,183 @@
+/*
+ * 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
@@ -44,6 +44,7 @@
+#include <linux/magic.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
++#include <linux/mtd/cfi.h>
+
+#include <lantiq.h>
+#include <lantiq_platform.h>
@@ -51,6 +52,7 @@
+#ifdef CONFIG_SOC_LANTIQ_XWAY
+#include <xway.h>
+#endif
++static int ltq_mtd_probing;
+
+static map_word
+lq_read16(struct map_info *map, unsigned long adr)
@@ -58,7 +60,8 @@
+ unsigned long flags;
+ map_word temp;
+ spin_lock_irqsave(&ebu_lock, flags);
-+ adr ^= 2;
++ if (ltq_mtd_probing)
++ adr ^= 2;
+ temp.x[0] = *((__u16 *)(map->virt + adr));
+ spin_unlock_irqrestore(&ebu_lock, flags);
+ return temp;
@@ -69,7 +72,8 @@
+{
+ unsigned long flags;
+ spin_lock_irqsave(&ebu_lock, flags);
-+ adr ^= 2;
++ if (ltq_mtd_probing)
++ adr ^= 2;
+ *((__u16 *)(map->virt + adr)) = d.x[0];
+ spin_unlock_irqrestore(&ebu_lock, flags);
+}
@@ -125,6 +129,7 @@
+ struct mtd_partition *parts = NULL;
+ struct resource *res = 0;
+ int nr_parts = 0;
++ struct cfi_private *cfi;
+
+#ifdef CONFIG_SOC_LANTIQ_XWAY
+ lq_w32(lq_r32(LQ_EBU_BUSCON0) & ~EBU_WRDIS, LQ_EBU_BUSCON0);
@@ -153,7 +158,9 @@
+ return -EIO;
+ }
+
++ ltq_mtd_probing = 1;
+ lq_mtd = (struct mtd_info *) do_map_probe("cfi_probe", &lq_map);
++ ltq_mtd_probing = 0;
+ if (!lq_mtd) {
+ iounmap(lq_map.virt);
+ dev_err(&pdev->dev, "probing failed\n");
@@ -161,6 +168,9 @@
+ }
+
+ lq_mtd->owner = THIS_MODULE;
++ cfi = lq_map.fldrv_priv;
++ cfi->addr_unlock1 ^= 1;
++ cfi->addr_unlock2 ^= 1;
+
+ nr_parts = parse_mtd_partitions(lq_mtd, part_probe_types, &parts, 0);
+ if (nr_parts > 0) {
@@ -196,54 +206,3 @@
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_DESCRIPTION("Lantiq SoC NOR");
---- a/drivers/mtd/chips/cfi_cmdset_0001.c
-+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
-@@ -40,7 +40,11 @@
- /* #define CMDSET0001_DISABLE_WRITE_SUSPEND */
-
- // debugging, turns off buffer write mode if set to 1
--#define FORCE_WORD_WRITE 0
-+#ifdef CONFIG_LANTIQ
-+# define FORCE_WORD_WRITE 1
-+#else
-+# define FORCE_WORD_WRITE 0
-+#endif
-
- /* Intel chips */
- #define I82802AB 0x00ad
-@@ -1493,6 +1497,9 @@
- int ret=0;
-
- adr += chip->start;
-+#ifdef CONFIG_LANTIQ
-+ adr ^= 2;
-+#endif
-
- switch (mode) {
- case FL_WRITING:
---- a/drivers/mtd/chips/cfi_cmdset_0002.c
-+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
-@@ -39,7 +39,11 @@
- #include <linux/mtd/xip.h>
-
- #define AMD_BOOTLOC_BUG
--#define FORCE_WORD_WRITE 0
-+#ifdef CONFIG_LANTIQ
-+# define FORCE_WORD_WRITE 1
-+#else
-+# define FORCE_WORD_WRITE 0
-+#endif
-
- #define MAX_WORD_RETRIES 3
-
-@@ -1167,6 +1171,10 @@
-
- adr += chip->start;
-
-+#ifdef CONFIG_LANTIQ
-+ adr ^= 2;
-+#endif
-+
- mutex_lock(&chip->mutex);
- ret = get_chip(map, chip, adr, FL_WRITING);
- if (ret) {