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Diffstat (limited to 'target/linux/brcm47xx/patches-3.18/800-bcma-add-table-of-serial-flashes-with-smaller-blocks.patch')
-rw-r--r--target/linux/brcm47xx/patches-3.18/800-bcma-add-table-of-serial-flashes-with-smaller-blocks.patch77
1 files changed, 77 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.18/800-bcma-add-table-of-serial-flashes-with-smaller-blocks.patch b/target/linux/brcm47xx/patches-3.18/800-bcma-add-table-of-serial-flashes-with-smaller-blocks.patch
new file mode 100644
index 0000000000..7a602b79b5
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.18/800-bcma-add-table-of-serial-flashes-with-smaller-blocks.patch
@@ -0,0 +1,77 @@
+From 597715c61ae75a05ab3310a34ff3857a006f0f63 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
+Date: Thu, 20 Nov 2014 21:32:42 +0100
+Subject: [PATCH] bcma: add table of serial flashes with smaller blocks
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
+---
+ drivers/bcma/driver_chipcommon_sflash.c | 29 +++++++++++++++++++++++++++++
+ 1 file changed, 29 insertions(+)
+
+diff --git a/drivers/bcma/driver_chipcommon_sflash.c b/drivers/bcma/driver_chipcommon_sflash.c
+index 7e11ef4..25d9e17 100644
+--- a/drivers/bcma/driver_chipcommon_sflash.c
++++ b/drivers/bcma/driver_chipcommon_sflash.c
+@@ -9,6 +9,7 @@
+
+ #include <linux/platform_device.h>
+ #include <linux/bcma/bcma.h>
++#include <bcm47xx_board.h>
+
+ static struct resource bcma_sflash_resource = {
+ .name = "bcma_sflash",
+@@ -41,6 +42,13 @@ static const struct bcma_sflash_tbl_e bcma_sflash_st_tbl[] = {
+ { NULL },
+ };
+
++/* Some devices use smaller blocks (and have more of them) */
++static const struct bcma_sflash_tbl_e bcma_sflash_st_shrink_tbl[] = {
++ { "M25P16", 0x14, 0x1000, 512, },
++ { "M25P32", 0x15, 0x1000, 1024, },
++ { NULL },
++};
++
+ static const struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = {
+ { "SST25WF512", 1, 0x1000, 16, },
+ { "SST25VF512", 0x48, 0x1000, 16, },
+@@ -84,6 +92,23 @@ static void bcma_sflash_cmd(struct bcma_drv_cc *cc, u32 opcode)
+ bcma_err(cc->core->bus, "SFLASH control command failed (timeout)!\n");
+ }
+
++const struct bcma_sflash_tbl_e *bcma_sflash_shrink_flash(u32 id)
++{
++ enum bcm47xx_board board = bcm47xx_board_get();
++ const struct bcma_sflash_tbl_e *e;
++
++ switch (board) {
++ case BCM47XX_BOARD_NETGEAR_WGR614_V10:
++ for (e = bcma_sflash_st_shrink_tbl; e->name; e++) {
++ if (e->id == id)
++ return e;
++ }
++ return NULL;
++ default:
++ return NULL;
++ }
++}
++
+ /* Initialize serial flash access */
+ int bcma_sflash_init(struct bcma_drv_cc *cc)
+ {
+@@ -114,6 +139,10 @@ int bcma_sflash_init(struct bcma_drv_cc *cc)
+ case 0x13:
+ return -ENOTSUPP;
+ default:
++ e = bcma_sflash_shrink_flash(id);
++ if (e)
++ break;
++
+ for (e = bcma_sflash_st_tbl; e->name; e++) {
+ if (e->id == id)
+ break;
+--
+1.8.4.5
+