diff options
author | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-01-01 13:15:44 +0000 |
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committer | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-01-01 13:15:44 +0000 |
commit | c31a2e57d7d88db5c24051212a2a2fad51b31fde (patch) | |
tree | 7a25bfb36baf256bad3dff6c549734cb18baa338 /target/linux/adm5120/patches-3.3/101-cfi_fixup_macronix_bootloc.patch | |
parent | f79a21793eb8e9e4d60f89f854e1e26f20641498 (diff) |
adm5120: nuke 3.3 support
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34953 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/adm5120/patches-3.3/101-cfi_fixup_macronix_bootloc.patch')
-rw-r--r-- | target/linux/adm5120/patches-3.3/101-cfi_fixup_macronix_bootloc.patch | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/target/linux/adm5120/patches-3.3/101-cfi_fixup_macronix_bootloc.patch b/target/linux/adm5120/patches-3.3/101-cfi_fixup_macronix_bootloc.patch deleted file mode 100644 index 12f914a2a..000000000 --- a/target/linux/adm5120/patches-3.3/101-cfi_fixup_macronix_bootloc.patch +++ /dev/null @@ -1,84 +0,0 @@ ---- a/drivers/mtd/chips/cfi_cmdset_0002.c -+++ b/drivers/mtd/chips/cfi_cmdset_0002.c -@@ -48,6 +48,12 @@ - #define SST49LF008A 0x005a - #define AT49BV6416 0x00d6 - -+/* 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 *); -@@ -342,6 +348,41 @@ static struct cfi_fixup cfi_nopri_fixup_ - { 0, 0, NULL } - }; - -+#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) -+{ -+ 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[] = { - { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri }, - #ifdef AMD_BOOTLOC_BUG -@@ -383,6 +424,9 @@ static struct cfi_fixup fixup_table[] = - */ - { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_erase_chip }, - { CFI_MFR_ATMEL, AT49BV6416, fixup_use_atmel_lock }, -+#ifdef CONFIG_MTD_CFI_FIXUP_MACRONIX_BOOTLOC -+ { CFI_MFR_MACRONIX, CFI_ID_ANY, fixup_macronix_bootloc }, -+#endif - { 0, 0, NULL } - }; - ---- a/drivers/mtd/chips/Kconfig -+++ b/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 |