generic: fix erase operation on the pm25lv flash chip

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22861 3c298f89-4303-0410-b956-a3cf2f4a3e73

4 files changed, 37 insertions, 11 deletions

diff --git a/target/linux/generic/patches-2.6.32/084-mtd_m25p80_add_pm25lv_flash_support.patch b/target/linux/generic/patches-2.6.32/084-mtd_m25p80_add_pm25lv_flash_support.patch
index ce7069018..1e31e3bc8 100644
--- a/target/linux/generic/patches-2.6.32/084-mtd_m25p80_add_pm25lv_flash_support.patch
+++ b/target/linux/generic/patches-2.6.32/084-mtd_m25p80_add_pm25lv_flash_support.patch
@@ -1,13 +1,39 @@
 --- a/drivers/mtd/devices/m25p80.c
 +++ b/drivers/mtd/devices/m25p80.c
-@@ -626,6 +626,10 @@ static struct flash_info __devinitdata m
+@@ -42,6 +42,7 @@
+ #define	OPCODE_BE_4K		0x20	/* Erase 4KiB block */
+ #define	OPCODE_BE_32K		0x52	/* Erase 32KiB block */
+ #define	OPCODE_CHIP_ERASE	0xc7	/* Erase whole flash chip */
++#define	OPCODE_BE_4K_ALT	0xd7	/* Erase 4KiB block */
+ #define	OPCODE_SE		0xd8	/* Sector erase (usually 64KiB) */
+ #define	OPCODE_RDID		0x9f	/* Read JEDEC ID */
+ 
+@@ -599,6 +600,7 @@ struct flash_info {
+ 
+ 	u16		flags;
+ #define	SECT_4K		0x01		/* OPCODE_BE_4K works uniformly */
++#define	SECT_4K_ALT	0x02		/* OPCODE_BE_4K_ALT works uniformly */
+ };
+ 
+ 
+@@ -626,6 +628,10 @@ static struct flash_info __devinitdata m
  	{ "mx25l12805d", 0xc22018, 0, 64 * 1024, 256, },
  	{ "mx25l12855e", 0xc22618, 0, 64 * 1024, 256, },
  
 +	/* PMC -- pm25x "blocks" are 32K, sectors are 4K */
-+	{ "pm25lv512", 0, 0, 32 * 1024, 2, SECT_4K },
-+	{ "pm25lv010", 0, 0, 32 * 1024, 4, SECT_4K },
++	{ "pm25lv512", 0, 0, 32 * 1024, 2, SECT_4K_ALT },
++	{ "pm25lv010", 0, 0, 32 * 1024, 4, SECT_4K_ALT },
 +
  	/* Spansion -- single (large) sector size only, at least
  	 * for the chips listed here (without boot sectors).
  	 */
+@@ -807,6 +813,9 @@ static int __devinit m25p_probe(struct s
+ 	if (info->flags & SECT_4K) {
+ 		flash->erase_opcode = OPCODE_BE_4K;
+ 		flash->mtd.erasesize = 4096;
++	} else if (info->flags & SECT_4K_ALT) {
++		flash->erase_opcode = OPCODE_BE_4K_ALT;
++		flash->mtd.erasesize = 4096;
+ 	} else {
+ 		flash->erase_opcode = OPCODE_SE;
+ 		flash->mtd.erasesize = info->sector_size;
diff --git a/target/linux/generic/patches-2.6.32/085-mtd_m25p80_add_en25pxx_support.patch b/target/linux/generic/patches-2.6.32/085-mtd_m25p80_add_en25pxx_support.patch
index 21555848e..348e390e2 100644
--- a/target/linux/generic/patches-2.6.32/085-mtd_m25p80_add_en25pxx_support.patch
+++ b/target/linux/generic/patches-2.6.32/085-mtd_m25p80_add_en25pxx_support.patch
@@ -1,6 +1,6 @@
 --- a/drivers/mtd/devices/m25p80.c
 +++ b/drivers/mtd/devices/m25p80.c
-@@ -626,6 +626,10 @@ static struct flash_info __devinitdata m
+@@ -628,6 +628,10 @@ static struct flash_info __devinitdata m
  	{ "mx25l12805d", 0xc22018, 0, 64 * 1024, 256, },
  	{ "mx25l12855e", 0xc22618, 0, 64 * 1024, 256, },
  
@@ -9,5 +9,5 @@
 +	{ "en25p64", 0x1c2017, 0, 64 * 1024, 128, },
 +
  	/* PMC -- pm25x "blocks" are 32K, sectors are 4K */
- 	{ "pm25lv512", 0, 0, 32 * 1024, 2, SECT_4K },
- 	{ "pm25lv010", 0, 0, 32 * 1024, 4, SECT_4K },
+ 	{ "pm25lv512", 0, 0, 32 * 1024, 2, SECT_4K_ALT },
+ 	{ "pm25lv010", 0, 0, 32 * 1024, 4, SECT_4K_ALT },
diff --git a/target/linux/generic/patches-2.6.32/086-mtd_m25p80_add_xxxs33b_support.patch b/target/linux/generic/patches-2.6.32/086-mtd_m25p80_add_xxxs33b_support.patch
index 83d5cddf1..16c21aa58 100644
--- a/target/linux/generic/patches-2.6.32/086-mtd_m25p80_add_xxxs33b_support.patch
+++ b/target/linux/generic/patches-2.6.32/086-mtd_m25p80_add_xxxs33b_support.patch
@@ -1,6 +1,6 @@
 --- a/drivers/mtd/devices/m25p80.c
 +++ b/drivers/mtd/devices/m25p80.c
-@@ -630,6 +630,11 @@ static struct flash_info __devinitdata m
+@@ -632,6 +632,11 @@ static struct flash_info __devinitdata m
  	{ "en25p32", 0x1c2016, 0, 64 * 1024,  64, },
  	{ "en25p64", 0x1c2017, 0, 64 * 1024, 128, },
  
@@ -10,9 +10,9 @@
 +	{ "640s33b",  0x898913, 0, 64 * 1024, 128, },
 +
  	/* PMC -- pm25x "blocks" are 32K, sectors are 4K */
- 	{ "pm25lv512", 0, 0, 32 * 1024, 2, SECT_4K },
- 	{ "pm25lv010", 0, 0, 32 * 1024, 4, SECT_4K },
-@@ -784,11 +789,12 @@ static int __devinit m25p_probe(struct s
+ 	{ "pm25lv512", 0, 0, 32 * 1024, 2, SECT_4K_ALT },
+ 	{ "pm25lv010", 0, 0, 32 * 1024, 4, SECT_4K_ALT },
+@@ -786,11 +791,12 @@ static int __devinit m25p_probe(struct s
  	dev_set_drvdata(&spi->dev, flash);
  
  	/*
diff --git a/target/linux/generic/patches-2.6.32/087-mtd-m25p80-add-w25q32-chip-support.patch b/target/linux/generic/patches-2.6.32/087-mtd-m25p80-add-w25q32-chip-support.patch
index 5f44c1d69..75425d2bc 100644
--- a/target/linux/generic/patches-2.6.32/087-mtd-m25p80-add-w25q32-chip-support.patch
+++ b/target/linux/generic/patches-2.6.32/087-mtd-m25p80-add-w25q32-chip-support.patch
@@ -1,6 +1,6 @@
 --- a/drivers/mtd/devices/m25p80.c
 +++ b/drivers/mtd/devices/m25p80.c
-@@ -687,6 +687,7 @@ static struct flash_info __devinitdata m
+@@ -689,6 +689,7 @@ static struct flash_info __devinitdata m
  	{ "w25x80", 0xef3014, 0, 64 * 1024, 16, SECT_4K, },
  	{ "w25x16", 0xef3015, 0, 64 * 1024, 32, SECT_4K, },
  	{ "w25x32", 0xef3016, 0, 64 * 1024, 64, SECT_4K, },