X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=blobdiff_plain;f=target%2Flinux%2Fadm5120-2.6%2Fpatches-2.6.22%2F101-cfi_fixup_macronix_bootloc.patch;fp=target%2Flinux%2Fadm5120-2.6%2Fpatches-2.6.22%2F101-cfi_fixup_macronix_bootloc.patch;h=0000000000000000000000000000000000000000;hp=84c45d201484ef38f47f3da7d180f00666a0a634;hb=5c903cc55c673e5e6eda9c78f51a81b715eb4eec;hpb=e61a44ffca9f2b102a64517eb19373d4ea61c142

diff --git a/target/linux/adm5120-2.6/patches-2.6.22/101-cfi_fixup_macronix_bootloc.patch b/target/linux/adm5120-2.6/patches-2.6.22/101-cfi_fixup_macronix_bootloc.patch
deleted file mode 100644
index 84c45d2014..0000000000
--- a/target/linux/adm5120-2.6/patches-2.6.22/101-cfi_fixup_macronix_bootloc.patch
+++ /dev/null
@@ -1,95 +0,0 @@
-Index: linux-2.6.22.1/drivers/mtd/chips/cfi_cmdset_0002.c
-===================================================================
---- linux-2.6.22.1.orig/drivers/mtd/chips/cfi_cmdset_0002.c
-+++ linux-2.6.22.1/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-2.6.22.1/drivers/mtd/chips/Kconfig
-===================================================================
---- linux-2.6.22.1.orig/drivers/mtd/chips/Kconfig
-+++ linux-2.6.22.1/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 "Force bottom boot 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