diff options
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.patch | 77 |
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 + |