ar71xx: fix 320S33B flash chip support

[openwrt.git] / target / linux / ar71xx / patches-2.6.30 / 106-mtd_m25p80_add_xxxs33b_support.patch

diff --git a/target/linux/ar71xx/patches-2.6.30/106-mtd_m25p80_add_xxxs33b_support.patch b/target/linux/ar71xx/patches-2.6.30/106-mtd_m25p80_add_xxxs33b_support.patch
index d148c9e..5bd20a7 100644 (file)
--- a/target/linux/ar71xx/patches-2.6.30/106-mtd_m25p80_add_xxxs33b_support.patch
+++ b/target/linux/ar71xx/patches-2.6.30/106-mtd_m25p80_add_xxxs33b_support.patch
@@ -1,6 +1,6 @@
 --- a/drivers/mtd/devices/m25p80.c
 +++ b/drivers/mtd/devices/m25p80.c
-@@ -508,6 +508,11 @@ static struct flash_info __devinitdata m
+@@ -509,6 +509,11 @@ static struct flash_info __devinitdata m
        { "mx25l64",  0xc22017, 0, 64 * 1024, 128, },
        { "mx25l128", 0xc22018, 0, 64 * 1024, 256, },
  
@@ -12,3 +12,18 @@
        /* PMC -- pm25x "blocks" are 32K, sectors are 4K */
        { "pm25lv512",         0, 32 * 1024, 2, SECT_4K },
        { "pm25lv010",         0, 32 * 1024, 4, SECT_4K },
+@@ -656,11 +661,12 @@ static int __devinit m25p_probe(struct s
+       dev_set_drvdata(&spi->dev, flash);
+ 
+       /*
+-       * Atmel serial flash tend to power up
++       * Atmel and Intel/Numonyx serial flash tend to power up
+        * with the software protection bits set
+        */
+ 
+-      if (info->jedec_id >> 16 == 0x1f) {
++      if (info->jedec_id >> 16 == 0x1f ||
++          info->jedec_id >> 16 == 0x89) {
+               write_enable(flash);
+               write_sr(flash, 0);
+       }