summaryrefslogtreecommitdiffstats
path: root/target/linux/adm5120/patches-2.6.23/101-cfi_fixup_macronix_bootloc.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/adm5120/patches-2.6.23/101-cfi_fixup_macronix_bootloc.patch')
-rw-r--r--target/linux/adm5120/patches-2.6.23/101-cfi_fixup_macronix_bootloc.patch95
1 files changed, 0 insertions, 95 deletions
diff --git a/target/linux/adm5120/patches-2.6.23/101-cfi_fixup_macronix_bootloc.patch b/target/linux/adm5120/patches-2.6.23/101-cfi_fixup_macronix_bootloc.patch
deleted file mode 100644
index f3f678eb2..000000000
--- a/target/linux/adm5120/patches-2.6.23/101-cfi_fixup_macronix_bootloc.patch
+++ /dev/null
@@ -1,95 +0,0 @@
-Index: linux-2.6.23.14/drivers/mtd/chips/cfi_cmdset_0002.c
-===================================================================
---- linux-2.6.23.14.orig/drivers/mtd/chips/cfi_cmdset_0002.c
-+++ linux-2.6.23.14/drivers/mtd/chips/cfi_cmdset_0002.c
-@@ -47,12 +47,19 @@
- #define MANUFACTURER_AMD 0x0001
- #define MANUFACTURER_ATMEL 0x001F
- #define MANUFACTURER_SST 0x00BF
-+#define MANUFACTURER_MACRONIX 0x00C2
- #define SST49LF004B 0x0060
- #define SST49LF040B 0x0050
- #define SST49LF008A 0x005a
- #define AT49BV6416 0x00d6
- #define MANUFACTURER_SAMSUNG 0x00ec
-
-+/* Macronix */
-+#define MX29LV160B 0x2249 /* MX29LV160 Bottom-boot chip */
-+#define MX29LV160T 0x22C4 /* MX29LV160 Top-boot chip */
-+#define MX29LV320B 0x22A8 /* MX29LV320 Bottom-boot chip */
-+#define MX29LV320T 0x22A7 /* MX29LV320 Top-boot chip */
-+
- static int cfi_amdstd_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
- static int cfi_amdstd_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
- static int cfi_amdstd_write_buffers(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
-@@ -217,6 +224,41 @@ static void fixup_use_atmel_lock(struct
- mtd->flags |= MTD_STUPID_LOCK;
- }
-
-+#ifdef CONFIG_MTD_CFI_FIXUP_MACRONIX_BOOTLOC
-+/*
-+ * Some Macronix chips has no/bad bootblock information in the CFI table
-+ */
-+static void fixup_macronix_bootloc(struct mtd_info *mtd, void* param)
-+{
-+ struct map_info *map = mtd->priv;
-+ struct cfi_private *cfi = map->fldrv_priv;
-+ struct cfi_pri_amdstd *extp = cfi->cmdset_priv;
-+ __u8 t;
-+
-+ switch (cfi->id) {
-+ /* TODO: put affected chip ids here */
-+ case MX29LV160B:
-+ case MX29LV320B:
-+ t = 2; /* Bottom boot */
-+ break;
-+ case MX29LV160T:
-+ case MX29LV320T:
-+ t = 3; /* Top boot */
-+ break;
-+ default:
-+ return;
-+ }
-+
-+ if (extp->TopBottom == t)
-+ /* boot location detected by the CFI layer is correct */
-+ return;
-+
-+ extp->TopBottom = t;
-+ printk("%s: Macronix chip detected, id:0x%04X, boot location forced "
-+ "to %s\n", map->name, cfi->id, (t == 2) ? "bottom" : "top");
-+}
-+#endif /* CONFIG_MTD_CFI_FIXUP_MACRONIX_BOOTLOC */
-+
- static struct cfi_fixup cfi_fixup_table[] = {
- #ifdef AMD_BOOTLOC_BUG
- { CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock, NULL },
-@@ -231,6 +273,9 @@ static struct cfi_fixup cfi_fixup_table[
- { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers, NULL, },
- #endif
- { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL },
-+#ifdef CONFIG_MTD_CFI_FIXUP_MACRONIX_BOOTLOC
-+ { MANUFACTURER_MACRONIX, CFI_ID_ANY, fixup_macronix_bootloc, NULL, },
-+#endif
- { 0, 0, NULL, NULL }
- };
- static struct cfi_fixup jedec_fixup_table[] = {
-Index: linux-2.6.23.14/drivers/mtd/chips/Kconfig
-===================================================================
---- linux-2.6.23.14.orig/drivers/mtd/chips/Kconfig
-+++ linux-2.6.23.14/drivers/mtd/chips/Kconfig
-@@ -196,6 +196,14 @@ config MTD_CFI_AMDSTD
- provides support for one of those command sets, used on chips
- including the AMD Am29LV320.
-
-+config MTD_CFI_FIXUP_MACRONIX_BOOTLOC
-+ bool "Fix boot-block location for Macronix flash chips"
-+ depends on MTD_CFI_AMDSTD
-+ help
-+ Some Macronix flash chips have no/wrong boot-block location in the
-+ CFI table, and the driver may detect the type incorrectly. Select
-+ this if your board has such chip.
-+
- config MTD_CFI_STAA
- tristate "Support for ST (Advanced Architecture) flash chips"
- depends on MTD_GEN_PROBE