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-2.6.35/084-mtd_m25p80_add_pm25lv_flash_support.patch b/target/linux/generic/patches-2.6.35/084-mtd_m25p80_add_pm25lv_flash_support.patch
index 96a5bd013..3c014aa4c 100644
--- a/target/linux/generic/patches-2.6.35/084-mtd_m25p80_add_pm25lv_flash_support.patch
+++ b/target/linux/generic/patches-2.6.35/084-mtd_m25p80_add_pm25lv_flash_support.patch
@@ -1,13 +1,39 @@
 --- a/drivers/mtd/devices/m25p80.c
 +++ b/drivers/mtd/devices/m25p80.c
-@@ -646,6 +646,10 @@ static const struct spi_device_id m25p_i
+@@ -41,6 +41,7 @@
+ #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_PMC	0xd7	/* Erase 4KiB block on PMC chips*/
+ #define	OPCODE_SE		0xd8	/* Sector erase (usually 64KiB) */
+ #define	OPCODE_RDID		0x9f	/* Read JEDEC ID */
+ 
+@@ -600,6 +601,7 @@ struct flash_info {
+ 	u16		flags;
+ #define	SECT_4K		0x01		/* OPCODE_BE_4K works uniformly */
+ #define	M25P_NO_ERASE	0x02		/* No erase command needed */
++#define	SECT_4K_PMC	0x04		/* OPCODE_BE_4K_PMC works uniformly */
+ };
+ 
+ #define INFO(_jedec_id, _ext_id, _sector_size, _n_sectors, _flags)	\
+@@ -646,6 +648,10 @@ static const struct spi_device_id m25p_i
  	{ "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) },
  	{ "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) },
  
 +	/* PMC -- pm25x "blocks" are 32K, sectors are 4K */
-+	{ "pm25lv512", INFO(0, 0, 32 * 1024, 2, SECT_4K) },
-+	{ "pm25lv010", INFO(0, 0, 32 * 1024, 4, SECT_4K) },
++	{ "pm25lv512", INFO(0, 0, 32 * 1024, 2, SECT_4K_PMC) },
++	{ "pm25lv010", INFO(0, 0, 32 * 1024, 4, SECT_4K_PMC) },
 +
  	/* Spansion -- single (large) sector size only, at least
  	 * for the chips listed here (without boot sectors).
  	 */
+@@ -858,6 +864,9 @@ 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_PMC) {
++		flash->erase_opcode = OPCODE_BE_4K_PMC;
++		flash->mtd.erasesize = 4096;
+ 	} else {
+ 		flash->erase_opcode = OPCODE_SE;
+ 		flash->mtd.erasesize = info->sector_size;
diff --git a/target/linux/generic/patches-2.6.35/085-mtd_m25p80_add_en25pxx_support.patch b/target/linux/generic/patches-2.6.35/085-mtd_m25p80_add_en25pxx_support.patch
index 9235e6ee1..99131c5c0 100644
--- a/target/linux/generic/patches-2.6.35/085-mtd_m25p80_add_en25pxx_support.patch
+++ b/target/linux/generic/patches-2.6.35/085-mtd_m25p80_add_en25pxx_support.patch
@@ -1,6 +1,6 @@
 --- a/drivers/mtd/devices/m25p80.c
 +++ b/drivers/mtd/devices/m25p80.c
-@@ -646,6 +646,10 @@ static const struct spi_device_id m25p_i
+@@ -648,6 +648,10 @@ static const struct spi_device_id m25p_i
  	{ "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) },
  	{ "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) },
  
@@ -9,5 +9,5 @@
 +	{ "en25p64", INFO(0x1c2017, 0, 64 * 1024, 128, 0) },
 +
  	/* PMC -- pm25x "blocks" are 32K, sectors are 4K */
- 	{ "pm25lv512", INFO(0, 0, 32 * 1024, 2, SECT_4K) },
- 	{ "pm25lv010", INFO(0, 0, 32 * 1024, 4, SECT_4K) },
+ 	{ "pm25lv512", INFO(0, 0, 32 * 1024, 2, SECT_4K_PMC) },
+ 	{ "pm25lv010", INFO(0, 0, 32 * 1024, 4, SECT_4K_PMC) },
diff --git a/target/linux/generic/patches-2.6.35/086-mtd_m25p80_add_xxxs33b_support.patch b/target/linux/generic/patches-2.6.35/086-mtd_m25p80_add_xxxs33b_support.patch
index 69c595e0a..2def3794e 100644
--- a/target/linux/generic/patches-2.6.35/086-mtd_m25p80_add_xxxs33b_support.patch
+++ b/target/linux/generic/patches-2.6.35/086-mtd_m25p80_add_xxxs33b_support.patch
@@ -1,6 +1,6 @@
 --- a/drivers/mtd/devices/m25p80.c
 +++ b/drivers/mtd/devices/m25p80.c
-@@ -650,6 +650,11 @@ static const struct spi_device_id m25p_i
+@@ -652,6 +652,11 @@ static const struct spi_device_id m25p_i
  	{ "en25p32", INFO(0x1c2016, 0, 64 * 1024,  64, 0) },
  	{ "en25p64", INFO(0x1c2017, 0, 64 * 1024, 128, 0) },
  
@@ -10,9 +10,9 @@
 +	{ "640s33b",  INFO(0x898913, 0, 64 * 1024, 128, 0) },
 +
  	/* PMC -- pm25x "blocks" are 32K, sectors are 4K */
- 	{ "pm25lv512", INFO(0, 0, 32 * 1024, 2, SECT_4K) },
- 	{ "pm25lv010", INFO(0, 0, 32 * 1024, 4, SECT_4K) },
-@@ -834,11 +839,12 @@ static int __devinit m25p_probe(struct s
+ 	{ "pm25lv512", INFO(0, 0, 32 * 1024, 2, SECT_4K_PMC) },
+ 	{ "pm25lv010", INFO(0, 0, 32 * 1024, 4, SECT_4K_PMC) },
+@@ -836,11 +841,12 @@ static int __devinit m25p_probe(struct s
  	dev_set_drvdata(&spi->dev, flash);
  
  	/*
diff --git a/target/linux/generic/patches-2.6.35/087-mtd-m25p80-add-w25q32-chip-support.patch b/target/linux/generic/patches-2.6.35/087-mtd-m25p80-add-w25q32-chip-support.patch
index 34dfdbd89..ce8b6d3ad 100644
--- a/target/linux/generic/patches-2.6.35/087-mtd-m25p80-add-w25q32-chip-support.patch
+++ b/target/linux/generic/patches-2.6.35/087-mtd-m25p80-add-w25q32-chip-support.patch
@@ -1,6 +1,6 @@
 --- a/drivers/mtd/devices/m25p80.c
 +++ b/drivers/mtd/devices/m25p80.c
-@@ -707,6 +707,7 @@ static const struct spi_device_id m25p_i
+@@ -709,6 +709,7 @@ static const struct spi_device_id m25p_i
  	{ "w25x80", INFO(0xef3014, 0, 64 * 1024,  16, SECT_4K) },
  	{ "w25x16", INFO(0xef3015, 0, 64 * 1024,  32, SECT_4K) },
  	{ "w25x32", INFO(0xef3016, 0, 64 * 1024,  64, SECT_4K) },