diff options
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.patch | 95 |
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 |