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brcm47xx: update flash drivers

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SVN-Revision: 31126
This commit is contained in:
Hauke Mehrtens 2012-03-28 17:03:18 +00:00
parent f96ffe2c96
commit 13b6ec1d05
19 changed files with 373 additions and 693 deletions
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13
target/linux/brcm47xx/patches-3.2/020-bcma-move-parallel-flash-into-a-union.patch
View File

@ -1,16 +1,3 @@
From b7d9f9cd6a8e463c1061ea29ed3e614403625024 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 17 Jul 2011 14:51:47 +0200
Subject: [PATCH 12/26] bcma: move parallel flash into a union
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
arch/mips/bcm47xx/nvram.c | 3 +
drivers/bcma/driver_mips.c | 1 +
include/linux/bcma/bcma_driver_chipcommon.h | 73 ++++++++++++++++++++++++++-
3 files changed, 76 insertions(+), 1 deletions(-)
--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
@@ -50,6 +50,9 @@ static void early_nvram_init(void)

264
target/linux/brcm47xx/patches-3.2/021-bcma-add-serial-flash-support-to-bcma.patch
View File

@ -1,20 +1,3 @@
From a62940e988526c881966a8c72cc28c95fca89f3c Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 17 Jul 2011 14:53:07 +0200
Subject: [PATCH 13/26] bcma: add serial flash support to bcma
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
drivers/bcma/Kconfig | 5 +
drivers/bcma/Makefile | 1 +
drivers/bcma/bcma_private.h | 5 +
drivers/bcma/driver_chipcommon_sflash.c | 555 +++++++++++++++++++++++++++
drivers/bcma/driver_mips.c | 8 +-
include/linux/bcma/bcma_driver_chipcommon.h | 24 ++
6 files changed, 597 insertions(+), 1 deletions(-)
create mode 100644 drivers/bcma/driver_chipcommon_sflash.c
--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -38,6 +38,11 @@ config BCMA_HOST_SOC
@ -54,11 +37,12 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
extern int __init bcma_host_pci_init(void);
--- /dev/null
+++ b/drivers/bcma/driver_chipcommon_sflash.c
@@ -0,0 +1,555 @@
@@ -0,0 +1,398 @@
+/*
+ * Broadcom SiliconBackplane chipcommon serial flash interface
+ *
+ * Copyright 2011, Jonas Gorski <jonas.gorski@gmail.com>
+ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
+ * Copyright 2010, Broadcom Corporation
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
@ -84,7 +68,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+
+
+static inline void bcma_sflash_write_u8(struct bcma_drv_cc *cc,
+ u32 offset, u8 byte)
+ u32 offset, u8 byte)
+{
+ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, offset);
+ bcma_cc_write32(cc, BCMA_CC_FLASHDATA, byte);
@ -244,8 +228,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+}
+
+/* Read len bytes starting at offset into buf. Returns number of bytes read. */
+int bcma_sflash_read(struct bcma_drv_cc *cc, u32 offset, u32 len,
+ u8 *buf)
+int bcma_sflash_read(struct bcma_drv_cc *cc, u32 offset, u32 len, u8 *buf)
+{
+ u8 *from, *to;
+ u32 cnt, i;
@ -263,11 +246,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ else
+ cnt = len;
+
+
+ if (cc->core->id.rev == 12)
+ from = (u8 *)KSEG1ADDR(BCMA_FLASH2 + offset);
+ else
+ from = (u8 *)KSEG0ADDR(BCMA_FLASH2 + offset);
+ from = (u8 *)KSEG0ADDR(BCMA_FLASH2 + offset);
+
+ to = (u8 *)buf;
+
@ -316,92 +295,43 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+static int sflash_st_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
+ const u8 *buf)
+{
+ struct bcma_bus *bus = cc->core->bus;
+ int ret = 0;
+ bool is4712b0 = (bus->chipinfo.id == 0x4712) && (bus->chipinfo.rev == 3);
+ u32 mask;
+
+ int written = 1;
+
+ /* Enable writes */
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_WREN);
+ if (is4712b0) {
+ mask = 1 << 14;
+ bcma_sflash_write_u8(cc, offset, *buf++);
+ /* Set chip select */
+ bcma_cc_set32(cc, BCMA_CC_GPIOOUT, mask);
+ /* Issue a page program with the first byte */
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_PP);
+ ret = 1;
+ bcma_sflash_write_u8(cc, offset, *buf++);
+ /* Issue a page program with CSA bit set */
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_CSA | BCMA_CC_FLASHCTL_ST_PP);
+ offset++;
+ len--;
+ while (len > 0) {
+ if ((offset & 255) == 0) {
+ /* Page boundary, poll droping cs and return */
+ bcma_cc_write32(cc, BCMA_CC_FLASHCTL, 0);
+ udelay(1);
+ if (!bcma_sflash_poll(cc, offset)) {
+ /* Flash rejected command */
+ return -EAGAIN;
+ }
+ return written;
+ } else {
+ /* Write single byte */
+ bcma_sflash_cmd(cc,
+ BCMA_CC_FLASHCTL_ST_CSA |
+ *buf++);
+ }
+ written++;
+ offset++;
+ len--;
+ while (len > 0) {
+ if ((offset & 255) == 0) {
+ /* Page boundary, drop cs and return */
+ bcma_cc_mask32(cc, BCMA_CC_GPIOOUT, ~mask);
+ udelay(1);
+ if (!bcma_sflash_poll(cc, offset)) {
+ /* Flash rejected command */
+ return -EAGAIN;
+ }
+ return ret;
+ } else {
+ /* Write single byte */
+ bcma_sflash_cmd(cc, *buf++);
+ }
+ ret++;
+ offset++;
+ len--;
+ }
+ /* All done, drop cs */
+ bcma_cc_mask32(cc, BCMA_CC_GPIOOUT, ~mask);
+ udelay(1);
+ if (!bcma_sflash_poll(cc, offset)) {
+ /* Flash rejected command */
+ return -EAGAIN;
+ }
+ } else if (cc->core->id.rev >= 20) {
+ bcma_sflash_write_u8(cc, offset, *buf++);
+ /* Issue a page program with CSA bit set */
+ bcma_sflash_cmd(cc,
+ BCMA_CC_FLASHCTL_ST_CSA |
+ BCMA_CC_FLASHCTL_ST_PP);
+ ret = 1;
+ offset++;
+ len--;
+ while (len > 0) {
+ if ((offset & 255) == 0) {
+ /* Page boundary, poll droping cs and return */
+ bcma_cc_write32(cc, BCMA_CC_FLASHCTL, 0);
+ udelay(1);
+ if (!bcma_sflash_poll(cc, offset)) {
+ /* Flash rejected command */
+ return -EAGAIN;
+ }
+ return ret;
+ } else {
+ /* Write single byte */
+ bcma_sflash_cmd(cc,
+ BCMA_CC_FLASHCTL_ST_CSA |
+ *buf++);
+ }
+ ret++;
+ offset++;
+ len--;
+ }
+ /* All done, drop cs & poll */
+ bcma_cc_write32(cc, BCMA_CC_FLASHCTL, 0);
+ udelay(1);
+ if (!bcma_sflash_poll(cc, offset)) {
+ /* Flash rejected command */
+ return -EAGAIN;
+ }
+ } else {
+ ret = 1;
+ bcma_sflash_write_u8(cc, offset, *buf);
+ /* Page program */
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_PP);
+ }
+ return ret;
+ /* All done, drop cs & poll */
+ bcma_cc_write32(cc, BCMA_CC_FLASHCTL, 0);
+ udelay(1);
+ if (!bcma_sflash_poll(cc, offset)) {
+ /* Flash rejected command */
+ return -EAGAIN;
+ }
+ return written;
+}
+
+static int sflash_at_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
@ -410,6 +340,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ struct bcma_sflash *sfl = &cc->sflash;
+ u32 page, byte, mask;
+ int ret = 0;
+
+ mask = sfl->blocksize - 1;
+ page = (offset & ~mask) << 1;
+ byte = offset & mask;
@ -428,8 +359,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ /* Write into buffer 1 */
+ for (ret = 0; (ret < (int)len) && (byte < sfl->blocksize); ret++) {
+ bcma_sflash_write_u8(cc, byte++, *buf++);
+ bcma_sflash_cmd(cc,
+ BCMA_CC_FLASHCTL_AT_BUF1_WRITE);
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_BUF1_WRITE);
+ }
+ /* Write buffer 1 into main memory page */
+ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, page);
@ -442,7 +372,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ * written. Caller should poll for completion.
+ */
+int bcma_sflash_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
+ const u8 *buf)
+ const u8 *buf)
+{
+ struct bcma_sflash *sfl;
+ int ret = 0, tries = NUM_RETRIES;
@ -493,7 +423,10 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ * with a new command: ST_SSE. The ST_SE command erases 64KB just as
+ * before.
+ */
+ bcma_sflash_cmd(cc, (sfl->blocksize < (64 * 1024)) ? BCMA_CC_FLASHCTL_ST_SSE : BCMA_CC_FLASHCTL_ST_SE);
+ if (sfl->blocksize < (64 * 1024))
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_SSE);
+ else
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_SE);
+ return sfl->blocksize;
+ case BCMA_CC_FLASHT_ATSER:
+ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, offset << 1);
@ -503,113 +436,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+
+ return 0;
+}
+
+/*
+ * writes the appropriate range of flash, a NULL buf simply erases
+ * the region of flash
+ */
+int bcma_sflash_commit(struct bcma_drv_cc *cc, u32 offset, u32 len,
+ const u8 *buf)
+{
+ struct bcma_sflash *sfl;
+ u8 *block = NULL, *cur_ptr, *blk_ptr;
+ u32 blocksize = 0, mask, cur_offset, cur_length, cur_retlen, remainder;
+ u32 blk_offset, blk_len, copied;
+ int bytes, ret = 0;
+
+ /* Check address range */
+ if (len <= 0)
+ return 0;
+
+ sfl = &cc->sflash;
+ if ((offset + len) > sfl->size)
+ return -EINVAL;
+
+ blocksize = sfl->blocksize;
+ mask = blocksize - 1;
+
+ /* Allocate a block of mem */
+ block = kmalloc(blocksize, GFP_KERNEL);
+ if (!block)
+ return -ENOMEM;
+
+ while (len) {
+ /* Align offset */
+ cur_offset = offset & ~mask;
+ cur_length = blocksize;
+ cur_ptr = block;
+
+ remainder = blocksize - (offset & mask);
+ if (len < remainder)
+ cur_retlen = len;
+ else
+ cur_retlen = remainder;
+
+ /* buf == NULL means erase only */
+ if (buf) {
+ /* Copy existing data into holding block if necessary */
+ if ((offset & mask) || (len < blocksize)) {
+ blk_offset = cur_offset;
+ blk_len = cur_length;
+ blk_ptr = cur_ptr;
+
+ /* Copy entire block */
+ while (blk_len) {
+ copied = bcma_sflash_read(cc,
+ blk_offset,
+ blk_len, blk_ptr);
+ blk_offset += copied;
+ blk_len -= copied;
+ blk_ptr += copied;
+ }
+ }
+
+ /* Copy input data into holding block */
+ memcpy(cur_ptr + (offset & mask), buf, cur_retlen);
+ }
+
+ /* Erase block */
+ ret = bcma_sflash_erase(cc, cur_offset);
+ if (ret < 0)
+ goto done;
+
+ while (bcma_sflash_poll(cc, cur_offset));
+
+ /* buf == NULL means erase only */
+ if (!buf) {
+ offset += cur_retlen;
+ len -= cur_retlen;
+ continue;
+ }
+
+ /* Write holding block */
+ while (cur_length > 0) {
+ bytes = bcma_sflash_write(cc, cur_offset,
+ cur_length, cur_ptr);
+
+ if (bytes < 0) {
+ ret = bytes;
+ goto done;
+ }
+
+ while (bcma_sflash_poll(cc, cur_offset))
+ ;
+
+ cur_offset += bytes;
+ cur_length -= bytes;
+ cur_ptr += bytes;
+ }
+
+ offset += cur_retlen;
+ len -= cur_retlen;
+ buf += cur_retlen;
+ }
+
+ ret = len;
+done:
+ kfree(block);
+ return ret;
+}
--- a/drivers/bcma/driver_mips.c
+++ b/drivers/bcma/driver_mips.c
@@ -185,7 +185,13 @@ static void bcma_core_mips_flash_detect(
@ -662,7 +488,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
};
int nr_serial_ports;
@@ -459,4 +471,16 @@ extern void bcma_chipco_chipctl_maskset(
@@ -459,4 +471,14 @@ extern void bcma_chipco_chipctl_maskset(
extern void bcma_chipco_regctl_maskset(struct bcma_drv_cc *cc,
u32 offset, u32 mask, u32 set);
@ -674,8 +500,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+int bcma_sflash_write(struct bcma_drv_cc *cc, u32 offset, u32 len,
+ const u8 *buf);
+int bcma_sflash_erase(struct bcma_drv_cc *cc, u32 offset);
+int bcma_sflash_commit(struct bcma_drv_cc *cc, u32 offset, u32 len,
+ const u8 *buf);
+#endif /* CONFIG_BCMA_SFLASH */
+
#endif /* LINUX_BCMA_DRIVER_CC_H_ */

15
target/linux/brcm47xx/patches-3.2/022-ssb-move-flash-to-chipcommon.patch
View File

@ -1,18 +1,3 @@
From e8afde87ecf56beff67c7d5371cabaa4fc018541 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sat, 23 Jul 2011 23:57:06 +0200
Subject: [PATCH 14/26] ssb: move flash to chipcommon
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
arch/mips/bcm47xx/nvram.c | 8 +++---
arch/mips/bcm47xx/wgt634u.c | 8 +++---
drivers/ssb/driver_mipscore.c | 36 +++++++++++++++++++++-------
include/linux/ssb/ssb_driver_chipcommon.h | 18 ++++++++++++++
include/linux/ssb/ssb_driver_mips.h | 4 ---
5 files changed, 53 insertions(+), 21 deletions(-)
--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
@@ -27,7 +27,7 @@ static char nvram_buf[NVRAM_SPACE];

148
target/linux/brcm47xx/patches-3.2/023-ssb-add-serial-flash-support.patch
View File

@ -1,20 +1,3 @@
From 980da78179592a3f5f99168bc5af415835aa8c13 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 24 Jul 2011 20:20:36 +0200
Subject: [PATCH 15/26] ssb: add serial flash support
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
drivers/ssb/Kconfig | 6 +
drivers/ssb/Makefile | 1 +
drivers/ssb/driver_chipcommon_sflash.c | 556 +++++++++++++++++++++++++++++
drivers/ssb/driver_mipscore.c | 6 +
drivers/ssb/ssb_private.h | 4 +
include/linux/ssb/ssb_driver_chipcommon.h | 30 ++-
6 files changed, 601 insertions(+), 2 deletions(-)
create mode 100644 drivers/ssb/driver_chipcommon_sflash.c
--- a/drivers/ssb/Kconfig
+++ b/drivers/ssb/Kconfig
@@ -137,6 +137,12 @@ config SSB_DRIVER_MIPS
@ -42,11 +25,12 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
ssb-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o
--- /dev/null
+++ b/drivers/ssb/driver_chipcommon_sflash.c
@@ -0,0 +1,556 @@
@@ -0,0 +1,451 @@
+/*
+ * Broadcom SiliconBackplane chipcommon serial flash interface
+ *
+ * Copyright 2011, Jonas Gorski <jonas.gorski@gmail.com>
+ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
+ * Copyright 2010, Broadcom Corporation
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
@ -73,7 +57,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+
+
+static inline void ssb_sflash_write_u8(struct ssb_chipcommon *cc,
+ u32 offset, u8 byte)
+ u32 offset, u8 byte)
+{
+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, offset);
+ chipco_write32(cc, SSB_CHIPCO_FLASHDATA, byte);
@ -233,8 +217,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+}
+
+/* Read len bytes starting at offset into buf. Returns number of bytes read. */
+int ssb_sflash_read(struct ssb_chipcommon *cc, u32 offset, u32 len,
+ u8 *buf)
+int ssb_sflash_read(struct ssb_chipcommon *cc, u32 offset, u32 len, u8 *buf)
+{
+ u8 *from, *to;
+ u32 cnt, i;
@ -310,7 +293,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ bool is4712b0 = (bus->chip_id == 0x4712) && (bus->chip_rev == 3);
+ u32 mask;
+
+
+ /* Enable writes */
+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_WREN);
+ if (is4712b0) {
@ -478,11 +460,14 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ case SSB_CHIPCO_FLASHT_STSER:
+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_WREN);
+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, offset);
+ /* Newer flashes have "sub-sectors" which can be erased independently
+ * with a new command: ST_SSE. The ST_SE command erases 64KB just as
+ * before.
+ /* Newer flashes have "sub-sectors" which can be erased
+ * independently with a new command: ST_SSE. The ST_SE command
+ * erases 64KB just as before.
+ */
+ ssb_sflash_cmd(cc, (sfl->blocksize < (64 * 1024)) ? SSB_CHIPCO_FLASHCTL_ST_SSE : SSB_CHIPCO_FLASHCTL_ST_SE);
+ if (sfl->blocksize < (64 * 1024))
+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_SSE);
+ else
+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_SE);
+ return sfl->blocksize;
+ case SSB_CHIPCO_FLASHT_ATSER:
+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, offset << 1);
@ -492,113 +477,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+
+ return 0;
+}
+
+/*
+ * writes the appropriate range of flash, a NULL buf simply erases
+ * the region of flash
+ */
+int ssb_sflash_commit(struct ssb_chipcommon *cc, u32 offset, u32 len,
+ const u8 *buf)
+{
+ struct ssb_sflash *sfl;
+ u8 *block = NULL, *cur_ptr, *blk_ptr;
+ u32 blocksize = 0, mask, cur_offset, cur_length, cur_retlen, remainder;
+ u32 blk_offset, blk_len, copied;
+ int bytes, ret = 0;
+
+ /* Check address range */
+ if (len <= 0)
+ return 0;
+
+ sfl = &cc->sflash;
+ if ((offset + len) > sfl->size)
+ return -EINVAL;
+
+ blocksize = sfl->blocksize;
+ mask = blocksize - 1;
+
+ /* Allocate a block of mem */
+ block = kmalloc(blocksize, GFP_KERNEL);
+ if (!block)
+ return -ENOMEM;
+
+ while (len) {
+ /* Align offset */
+ cur_offset = offset & ~mask;
+ cur_length = blocksize;
+ cur_ptr = block;
+
+ remainder = blocksize - (offset & mask);
+ if (len < remainder)
+ cur_retlen = len;
+ else
+ cur_retlen = remainder;
+
+ /* buf == NULL means erase only */
+ if (buf) {
+ /* Copy existing data into holding block if necessary */
+ if ((offset & mask) || (len < blocksize)) {
+ blk_offset = cur_offset;
+ blk_len = cur_length;
+ blk_ptr = cur_ptr;
+
+ /* Copy entire block */
+ while (blk_len) {
+ copied = ssb_sflash_read(cc,
+ blk_offset,
+ blk_len, blk_ptr);
+ blk_offset += copied;
+ blk_len -= copied;
+ blk_ptr += copied;
+ }
+ }
+
+ /* Copy input data into holding block */
+ memcpy(cur_ptr + (offset & mask), buf, cur_retlen);
+ }
+
+ /* Erase block */
+ ret = ssb_sflash_erase(cc, cur_offset);
+ if (ret < 0)
+ goto done;
+
+ while (ssb_sflash_poll(cc, cur_offset));
+
+ /* buf == NULL means erase only */
+ if (!buf) {
+ offset += cur_retlen;
+ len -= cur_retlen;
+ continue;
+ }
+
+ /* Write holding block */
+ while (cur_length > 0) {
+ bytes = ssb_sflash_write(cc, cur_offset,
+ cur_length, cur_ptr);
+
+ if (bytes < 0) {
+ ret = bytes;
+ goto done;
+ }
+
+ while (ssb_sflash_poll(cc, cur_offset))
+ ;
+
+ cur_offset += bytes;
+ cur_length -= bytes;
+ cur_ptr += bytes;
+ }
+
+ offset += cur_retlen;
+ len -= cur_retlen;
+ buf += cur_retlen;
+ }
+
+ ret = len;
+done:
+ kfree(block);
+ return ret;
+}
--- a/drivers/ssb/driver_mipscore.c
+++ b/drivers/ssb/driver_mipscore.c
@@ -203,7 +203,13 @@ static void ssb_mips_flash_detect(struct
@ -676,7 +554,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
};
#endif /* CONFIG_SSB_DRIVER_MIPS */
};
@@ -666,6 +680,18 @@ extern int ssb_chipco_serial_init(struct
@@ -666,6 +680,16 @@ extern int ssb_chipco_serial_init(struct
struct ssb_serial_port *ports);
#endif /* CONFIG_SSB_SERIAL */
@ -688,8 +566,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+int ssb_sflash_write(struct ssb_chipcommon *cc, u32 offset, u32 len,
+ const u8 *buf);
+int ssb_sflash_erase(struct ssb_chipcommon *cc, u32 offset);
+int ssb_sflash_commit(struct ssb_chipcommon *cc, u32 offset, u32 len,
+ const u8 *buf);
+#endif /* CONFIG_SSB_SFLASH */
+
/* PMU support */

33
target/linux/brcm47xx/patches-3.2/024-brcm47xx-add-common-interface-for-sflash.patch
View File

@ -1,19 +1,3 @@
From 4f314ac9edbc80897f158fdb4e1b1de8a2d0d432 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 24 Jul 2011 21:10:49 +0200
Subject: [PATCH 16/26] brcm47xx: add common interface for sflash
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
arch/mips/bcm47xx/Makefile | 2 +-
arch/mips/bcm47xx/bus.c | 94 ++++++++++++++++++++++++++++++
arch/mips/bcm47xx/setup.c | 8 +++
arch/mips/include/asm/mach-bcm47xx/bus.h | 37 ++++++++++++
4 files changed, 140 insertions(+), 1 deletions(-)
create mode 100644 arch/mips/bcm47xx/bus.c
create mode 100644 arch/mips/include/asm/mach-bcm47xx/bus.h
--- a/arch/mips/bcm47xx/Makefile
+++ b/arch/mips/bcm47xx/Makefile
@@ -3,5 +3,5 @@
@ -25,7 +9,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o
--- /dev/null
+++ b/arch/mips/bcm47xx/bus.c
@@ -0,0 +1,94 @@
@@ -0,0 +1,82 @@
+/*
+ * BCM947xx nvram variable access
+ *
@ -59,11 +43,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ return bcma_sflash_erase(dev->bcc, offset);
+}
+
+static int bcm47xx_sflash_bcma_commit(struct bcm47xx_sflash *dev, u32 offset, u32 len, const u8 *buf)
+{
+ return bcma_sflash_commit(dev->bcc, offset, len, buf);
+}
+
+void bcm47xx_sflash_struct_bcma_init(struct bcm47xx_sflash *sflash, struct bcma_drv_cc *bcc)
+{
+ sflash->sflash_type = BCM47XX_BUS_TYPE_BCMA;
@ -73,7 +52,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ sflash->poll = bcm47xx_sflash_bcma_poll;
+ sflash->write = bcm47xx_sflash_bcma_write;
+ sflash->erase = bcm47xx_sflash_bcma_erase;
+ sflash->commit = bcm47xx_sflash_bcma_commit;
+
+ sflash->blocksize = bcc->sflash.blocksize;
+ sflash->numblocks = bcc->sflash.numblocks;
@ -100,11 +78,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ return ssb_sflash_erase(dev->scc, offset);
+}
+
+static int bcm47xx_sflash_ssb_commit(struct bcm47xx_sflash *dev, u32 offset, u32 len, const u8 *buf)
+{
+ return ssb_sflash_commit(dev->scc, offset, len, buf);
+}
+
+void bcm47xx_sflash_struct_ssb_init(struct bcm47xx_sflash *sflash, struct ssb_chipcommon *scc)
+{
+ sflash->sflash_type = BCM47XX_BUS_TYPE_SSB;
@ -114,7 +87,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ sflash->poll = bcm47xx_sflash_ssb_poll;
+ sflash->write = bcm47xx_sflash_ssb_write;
+ sflash->erase = bcm47xx_sflash_ssb_erase;
+ sflash->commit = bcm47xx_sflash_ssb_commit;
+
+ sflash->blocksize = scc->sflash.blocksize;
+ sflash->numblocks = scc->sflash.numblocks;
@ -153,7 +125,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
--- /dev/null
+++ b/arch/mips/include/asm/mach-bcm47xx/bus.h
@@ -0,0 +1,37 @@
@@ -0,0 +1,36 @@
+/*
+ * BCM947xx nvram variable access
+ *
@ -180,7 +152,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ int (*poll)(struct bcm47xx_sflash *dev, u32 offset);
+ int (*write)(struct bcm47xx_sflash *dev, u32 offset, u32 len, const u8 *buf);
+ int (*erase)(struct bcm47xx_sflash *dev, u32 offset);
+ int (*commit)(struct bcm47xx_sflash *dev, u32 offset, u32 len, const u8 *buf);
+
+ u32 blocksize; /* Block size */
+ u32 numblocks; /* Number of blocks */

16
target/linux/brcm47xx/patches-3.2/025-mtd-bcm47xx-add-bcm47xx-part-parser.patch
View File

@ -1,17 +1,3 @@
From d50d2d8e3ab5446f791deff0cb78820989ed93e7 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 17 Jul 2011 14:54:11 +0200
Subject: [PATCH 06/19] mtd: bcm47xx: add bcm47xx part parser
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
drivers/mtd/Kconfig | 7 +
drivers/mtd/Makefile | 1 +
drivers/mtd/bcm47xxpart.c | 542 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 550 insertions(+), 0 deletions(-)
create mode 100644 drivers/mtd/bcm47xxpart.c
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -164,6 +164,13 @@ config MTD_MYLOADER_PARTS
@ -500,7 +486,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ /* Place CFE board_data into a partition */
+ bcm47xx_parts[4].name = "board_data";
+ bcm47xx_parts[4].offset = bcm47xx_parts[3].offset - custom_data_size;
+ bcm47xx_parts[4].size = custom_data_size;
+ bcm47xx_parts[4].size = custom_data_size;
+ break;
+
+ case ROUTER_SIMPLETECH_SIMPLESHARE:

14
target/linux/brcm47xx/patches-3.2/026-mtd-bcm47xx-add-parallel-flash-driver.patch
View File

@ -1,17 +1,3 @@
From 36f8b899174a445a98fe02ed8d1db177525f0c52 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 17 Jul 2011 14:55:18 +0200
Subject: [PATCH 07/15] mtd: bcm47xx: add parallel flash driver
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
drivers/mtd/maps/Kconfig | 9 ++
drivers/mtd/maps/Makefile | 1 +
drivers/mtd/maps/bcm47xx-pflash.c | 188 +++++++++++++++++++++++++++++++++++++
3 files changed, 198 insertions(+), 0 deletions(-)
create mode 100644 drivers/mtd/maps/bcm47xx-pflash.c
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -257,6 +257,15 @@ config MTD_LANTIQ

105
target/linux/brcm47xx/patches-3.2/027-mtd-bcm47xx-add-serial-flash-driver.patch
View File

@ -1,19 +1,3 @@
From 2e2951220bf63e05449c03a95453680da1029e44 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 17 Jul 2011 14:55:45 +0200
Subject: [PATCH 08/15] mtd: bcm47xx: add serial flash driver
sflash get the sflash ops from platform device
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
arch/mips/include/asm/mach-bcm47xx/bus.h | 3 +
drivers/mtd/maps/Kconfig | 9 +
drivers/mtd/maps/Makefile | 1 +
drivers/mtd/maps/bcm47xx-sflash.c | 252 ++++++++++++++++++++++++++++++
4 files changed, 265 insertions(+), 0 deletions(-)
create mode 100644 drivers/mtd/maps/bcm47xx-sflash.c
--- a/arch/mips/include/asm/mach-bcm47xx/bus.h
+++ b/arch/mips/include/asm/mach-bcm47xx/bus.h
@@ -11,6 +11,7 @@
@ -24,7 +8,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
#include <bcm47xx.h>
struct bcm47xx_sflash {
@@ -29,6 +30,8 @@ struct bcm47xx_sflash {
@@ -28,6 +29,8 @@ struct bcm47xx_sflash {
u32 blocksize; /* Block size */
u32 numblocks; /* Number of blocks */
u32 size; /* Total size in bytes */
@ -60,19 +44,15 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+obj-$(CONFIG_MTD_BCM47XX_SFLASH)+= bcm47xx-sflash.o
--- /dev/null
+++ b/drivers/mtd/maps/bcm47xx-sflash.c
@@ -0,0 +1,252 @@
@@ -0,0 +1,263 @@
+/*
+ * Broadcom SiliconBackplane chipcommon serial flash interface
+ *
+ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
+ * Copyright 2006, Broadcom Corporation
+ * All Rights Reserved.
+ *
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
+ *
+ * $Id$
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#define pr_fmt(fmt) "bcm47xx_sflash: " fmt
@ -93,28 +73,27 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+sflash_mtd_poll(struct bcm47xx_sflash *sflash, unsigned int offset, int timeout)
+{
+ unsigned long now = jiffies;
+ int ret = 0;
+
+ for (;;) {
+ if (!sflash->poll(sflash, offset)) {
+ ret = 0;
+ break;
+ }
+ if (time_after(jiffies, now + timeout)) {
+ pr_err("timeout while polling\n");
+ ret = -ETIMEDOUT;
+ break;
+ return -ETIMEDOUT;
+
+ }
+ cpu_relax();
+ udelay(1);
+ }
+
+ return ret;
+ return 0;
+}
+
+static int
+sflash_mtd_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf)
+{
+ struct bcm47xx_sflash *sflash = (struct bcm47xx_sflash *) mtd->priv;
+ struct bcm47xx_sflash *sflash = (struct bcm47xx_sflash *)mtd->priv;
+
+ /* Check address range */
+ if (!len)
@ -124,7 +103,6 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ return -EINVAL;
+
+ *retlen = 0;
+
+ while (len) {
+ int ret = sflash->read(sflash, from, len, buf);
+ if (ret < 0)
@ -142,7 +120,9 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+static int
+sflash_mtd_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf)
+{
+ struct bcm47xx_sflash *sflash = (struct bcm47xx_sflash *) mtd->priv;
+ int bytes;
+ int ret;
+ struct bcm47xx_sflash *sflash = (struct bcm47xx_sflash *)mtd->priv;
+
+ /* Check address range */
+ if (!len)
@ -153,8 +133,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+
+ *retlen = 0;
+ while (len) {
+ int bytes;
+ int ret = sflash->write(sflash, to, len, buf);
+ ret = sflash->write(sflash, to, len, buf);
+ if (ret < 0)
+ return ret;
+
@ -228,26 +207,30 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+{
+ struct bcm47xx_sflash *sflash = dev_get_platdata(&pdev->dev);
+ struct mtd_info *mtd;
+ struct mtd_erase_region_info *regions;
+ struct mtd_erase_region_info *eraseregions;
+ int ret = 0;
+
+ mtd = kzalloc(sizeof(struct mtd_info), GFP_KERNEL);
+ if (!mtd)
+ return -ENOMEM;
+ if (!mtd){
+ ret = -ENOMEM;
+ goto err_out;
+ }
+
+ regions = kzalloc(sizeof(struct mtd_erase_region_info), GFP_KERNEL);
+ if (!mtd)
+ return -ENOMEM;
+ eraseregions = kzalloc(sizeof(struct mtd_erase_region_info), GFP_KERNEL);
+ if (!eraseregions) {
+ ret = -ENOMEM;
+ goto err_free_mtd;
+ }
+
+ pr_info("found serial flash: blocksize=%dKB, numblocks=%d, size=%dKB\n",
+ sflash->blocksize/1024, sflash->numblocks, sflash->size / 1024);
+ sflash->blocksize / 1024, sflash->numblocks, sflash->size / 1024);
+
+ /* Setup region info */
+ regions->offset = 0;
+ regions->erasesize = sflash->blocksize;
+ regions->numblocks = sflash->numblocks;
+ if (regions->erasesize > mtd->erasesize)
+ mtd->erasesize = regions->erasesize;
+ eraseregions->offset = 0;
+ eraseregions->erasesize = sflash->blocksize;
+ eraseregions->numblocks = sflash->numblocks;
+ if (eraseregions->erasesize > mtd->erasesize)
+ mtd->erasesize = eraseregions->erasesize;
+ mtd->size = sflash->size;
+ mtd->numeraseregions = 1;
+
@ -255,33 +238,45 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ mtd->name = "bcm47xx-sflash";
+ mtd->type = MTD_NORFLASH;
+ mtd->flags = MTD_CAP_NORFLASH;
+ mtd->eraseregions = regions;
+ mtd->eraseregions = eraseregions;
+ mtd->erase = sflash_mtd_erase;
+ mtd->read = sflash_mtd_read;
+ mtd->write = sflash_mtd_write;
+ mtd->writesize = 1;
+ mtd->priv = sflash;
+ ret = dev_set_drvdata(&pdev->dev, mtd);
+ mtd->owner = THIS_MODULE;
+ if (ret) {
+ pr_err("adding private data failed\n");
+ goto err_free_eraseregions;
+ }
+
+ ret = mtd_device_parse_register(mtd, probes, NULL, NULL, 0);
+
+ if (ret) {
+ pr_err("mtd_device_register failed\n");
+ return ret;
+ goto err_free_eraseregions;
+ }
+ sflash->mtd = mtd;
+ return 0;
+
+err_free_eraseregions:
+ kfree(eraseregions);
+err_free_mtd:
+ kfree(mtd);
+err_out:
+ return ret;
+}
+
+static int __devexit bcm47xx_sflash_remove(struct platform_device *pdev)
+{
+ struct bcm47xx_sflash *sflash = dev_get_platdata(&pdev->dev);
+ struct mtd_info *mtd = dev_get_drvdata(&pdev->dev);
+
+ if (sflash) {
+ mtd_device_unregister(sflash->mtd);
+ map_destroy(sflash->mtd);
+ kfree(sflash->mtd->eraseregions);
+ kfree(sflash->mtd);
+ if (mtd) {
+ mtd_device_unregister(mtd);
+ map_destroy(mtd);
+ kfree(mtd->eraseregions);
+ kfree(mtd);
+ dev_set_drvdata(&pdev->dev, NULL);
+ }
+ return 0;
+}

128
target/linux/brcm47xx/patches-3.2/028-bcm47xx-register-flash-drivers.patch
View File

@ -1,14 +1,21 @@
From 64f3d068654589d6114048ac5933cd4498706cfc Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 17 Jul 2011 15:02:10 +0200
Subject: [PATCH 20/26] bcm47xx: register flash drivers
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
arch/mips/bcm47xx/setup.c | 72 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 72 insertions(+), 0 deletions(-)
--- a/arch/mips/bcm47xx/Kconfig
+++ b/arch/mips/bcm47xx/Kconfig
@@ -9,6 +9,7 @@ config BCM47XX_SSB
select SSB_EMBEDDED
select SSB_B43_PCI_BRIDGE if PCI
select SSB_PCICORE_HOSTMODE if PCI
+ select SSB_SFLASH
default y
help
Add support for old Broadcom BCM47xx boards with Sonics Silicon Backplane support.
@@ -22,6 +23,7 @@ config BCM47XX_BCMA
select BCMA_HOST_SOC
select BCMA_DRIVER_MIPS
select BCMA_DRIVER_PCI_HOSTMODE if PCI
+ select BCMA_SFLASH
default y
help
Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus.
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -31,10 +31,12 @@
@ -24,11 +31,10 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
#include <asm/mach-bcm47xx/nvram.h>
union bcm47xx_bus bcm47xx_bus;
@@ -366,3 +368,73 @@ static int __init bcm47xx_register_bus_c
return 0;
}
device_initcall(bcm47xx_register_bus_complete);
+
@@ -45,6 +47,32 @@ EXPORT_SYMBOL(bcm47xx_bus_type);
struct bcm47xx_sflash bcm47xx_sflash;
+static struct resource bcm47xx_pflash_resource = {
+ .name = "bcm47xx_pflash",
+ .start = 0,
@ -54,45 +60,75 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ .resource = &bcm47xx_sflash_resource,
+ .num_resources = 1,
+};
+
static void bcm47xx_machine_restart(char *command)
{
printk(KERN_ALERT "Please stand by while rebooting the system...\n");
@@ -310,6 +338,24 @@ static void __init bcm47xx_register_ssb(
}
}
}
+
+static int __init bcm47xx_register_flash_ssb(void)
+{
+ struct ssb_chipcommon *chipco = &bcm47xx_bus.ssb.chipco;
+
+ switch (chipco->flash_type) {
+ case SSB_PFLASH:
+ bcm47xx_pflash_resource.start = chipco->pflash.window;
+ bcm47xx_pflash_resource.end = chipco->pflash.window + chipco->pflash.window_size;
+ return platform_device_register(&bcm47xx_pflash_dev);
+ case SSB_SFLASH:
+ bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
+ return platform_device_register(&bcm47xx_sflash_dev);
+ default:
+ printk(KERN_ERR "No flash device found\n");
+ return -1;
+ }
+}
#endif
#ifdef CONFIG_BCM47XX_BCMA
@@ -324,6 +370,24 @@ static void __init bcm47xx_register_bcma
if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_SFLASH)
bcm47xx_sflash_struct_bcma_init(&bcm47xx_sflash, &bcm47xx_bus.bcma.bus.drv_cc);
}
+
+static int __init bcm47xx_register_flash_bcma(void)
+{
+ struct bcma_drv_cc *drv_cc = &bcm47xx_bus.bcma.bus.drv_cc;
+
+ switch (drv_cc->flash_type) {
+ case BCMA_PFLASH:
+ bcm47xx_pflash_resource.start = drv_cc->pflash.window;
+ bcm47xx_pflash_resource.end = drv_cc->pflash.window + drv_cc->pflash.window_size;
+ return platform_device_register(&bcm47xx_pflash_dev);
+ case BCMA_SFLASH:
+ bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
+ return platform_device_register(&bcm47xx_sflash_dev);
+ default:
+ printk(KERN_ERR "No flash device found\n");
+ return -1;
+ }
+}
#endif
void __init plat_mem_setup(void)
@@ -366,3 +430,19 @@ static int __init bcm47xx_register_bus_c
return 0;
}
device_initcall(bcm47xx_register_bus_complete);
+
+static int __init bcm47xx_register_flash(void)
+{
+#ifdef CONFIG_BCM47XX_SSB
+ struct ssb_chipcommon *chipco;
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+ struct bcma_drv_cc *drv_cc;
+#endif
+ switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+ case BCM47XX_BUS_TYPE_SSB:
+ chipco = &bcm47xx_bus.ssb.chipco;
+ if (chipco->flash_type == SSB_PFLASH) {
+ bcm47xx_pflash_resource.start = chipco->pflash.window;
+ bcm47xx_pflash_resource.end = chipco->pflash.window + chipco->pflash.window_size;
+ return platform_device_register(&bcm47xx_pflash_dev);
+ } else if (chipco->flash_type == SSB_SFLASH) {
+ bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
+ return platform_device_register(&bcm47xx_sflash_dev);
+ } else {
+ printk(KERN_ERR "No flash device found\n");
+ return -1;
+ }
+ return bcm47xx_register_flash_ssb();
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+ case BCM47XX_BUS_TYPE_BCMA:
+ drv_cc = &bcm47xx_bus.bcma.bus.drv_cc;
+ if (drv_cc->flash_type == BCMA_PFLASH) {
+ bcm47xx_pflash_resource.start = drv_cc->pflash.window;
+ bcm47xx_pflash_resource.end = drv_cc->pflash.window + drv_cc->pflash.window_size;
+ return platform_device_register(&bcm47xx_pflash_dev);
+ } else if (drv_cc->flash_type == BCMA_SFLASH) {
+ bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
+ return platform_device_register(&bcm47xx_sflash_dev);
+ } else {
+ printk(KERN_ERR "No flash device found\n");
+ return -1;
+ }
+ return bcm47xx_register_flash_bcma();
+#endif
+ }
+ return -1;

82
target/linux/brcm47xx/patches-3.2/029-bcm47xx-read-nvram-from-sflash.patch
View File

@ -1,15 +1,3 @@
From 1d693b2c9d5943cbe938f879041b837cd004737f Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sat, 23 Jul 2011 18:29:38 +0200
Subject: [PATCH 25/26] bcm47xx: read nvram from sflash
bcm47xx: add sflash support to nvram
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
arch/mips/bcm47xx/nvram.c | 86 +++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 84 insertions(+), 2 deletions(-)
--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
@@ -20,11 +20,12 @@
@ -26,7 +14,17 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
{
#ifdef CONFIG_BCM47XX_SSB
struct ssb_chipcommon *ssb_cc;
@@ -86,7 +87,88 @@ found:
@@ -50,9 +51,6 @@ static void early_nvram_init(void)
#ifdef CONFIG_BCM47XX_BCMA
case BCM47XX_BUS_TYPE_BCMA:
bcma_cc = &bcm47xx_bus.bcma.bus.drv_cc;
- if (bcma_cc->flash_type != BCMA_PFLASH)
- return;
-
base = bcma_cc->pflash.window;
lim = bcma_cc->pflash.window_size;
break;
@@ -86,7 +84,106 @@ found:
for (i = 0; i < sizeof(struct nvram_header); i += 4)
*dst++ = *src++;
for (; i < header->len && i < NVRAM_SPACE; i += 4)
@ -81,35 +79,53 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ return 0;
+}
+
+#ifdef CONFIG_BCM47XX_SSB
+static void early_nvram_init_ssb(void)
+{
+ int err;
+
+ switch (bcm47xx_bus.ssb.chipco.flash_type) {
+ case SSB_PFLASH:
+ early_nvram_init_pflash();
+ case SSB_SFLASH:
+ err = early_nvram_init_sflash();
+ if (err < 0)
+ printk(KERN_WARNING "can not read from flash: %i\n", err);
+ default:
+ printk(KERN_WARNING "unknow flash type\n");
+ }
+}
+#endif
+
+#ifdef CONFIG_BCM47XX_BCMA
+static void early_nvram_init_bcma(void)
+{
+ int err;
+
+ switch (bcm47xx_bus.bcma.bus.drv_cc.flash_type) {
+ case BCMA_PFLASH:
+ early_nvram_init_pflash();
+ case BCMA_SFLASH:
+ err = early_nvram_init_sflash();
+ if (err < 0)
+ printk(KERN_WARNING "can not read from flash: %i\n", err);
+ default:
+ printk(KERN_WARNING "unknow flash type\n");
+ }
+}
+#endif
+
+static void early_nvram_init(void)
+{
+ int err = 0;
+
+ switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+ case BCM47XX_BUS_TYPE_SSB:
+ if (bcm47xx_bus.ssb.chipco.flash_type == SSB_PFLASH) {
+ early_nvram_init_pflash();
+ } else if (bcm47xx_bus.ssb.chipco.flash_type == SSB_SFLASH) {
+ err = early_nvram_init_sflash();
+ if (err < 0)
+ printk(KERN_WARNING "can not read from flash: %i\n", err);
+ } else {
+ printk(KERN_WARNING "unknow flash type\n");
+ }
+ early_nvram_init_ssb();
+ break;
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+ case BCM47XX_BUS_TYPE_BCMA:
+ if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_PFLASH) {
+ early_nvram_init_pflash();
+ } else if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_SFLASH) {
+ err = early_nvram_init_sflash();
+ if (err < 0)
+ printk(KERN_WARNING "can not read from flash: %i\n", err);
+ } else {
+ printk(KERN_WARNING "unknow flash type\n");
+ }
+ early_nvram_init_bcma();
+ break;
+#endif
+ }

212
target/linux/brcm47xx/patches-3.2/030-bcm47xx-bcma-nandflash.patch
View File

@ -1,3 +1,13 @@
--- a/arch/mips/bcm47xx/Kconfig
+++ b/arch/mips/bcm47xx/Kconfig
@@ -24,6 +24,7 @@ config BCM47XX_BCMA
select BCMA_DRIVER_MIPS
select BCMA_DRIVER_PCI_HOSTMODE if PCI
select BCMA_SFLASH
+ select BCMA_NFLASH
default y
help
Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus.
--- a/arch/mips/bcm47xx/bus.c
+++ b/arch/mips/bcm47xx/bus.c
@@ -2,6 +2,7 @@
@ -8,7 +18,7 @@
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -92,3 +93,9 @@ void bcm47xx_sflash_struct_ssb_init(stru
@@ -80,3 +81,9 @@ void bcm47xx_sflash_struct_ssb_init(stru
sflash->numblocks = scc->sflash.numblocks;
sflash->size = scc->sflash.size;
}
@ -36,7 +46,7 @@
static char nvram_buf[NVRAM_SPACE];
@@ -137,6 +139,51 @@ found:
@@ -134,6 +136,51 @@ found:
return 0;
}
@ -85,20 +95,20 @@
+ return ret;
+}
+
static void early_nvram_init(void)
#ifdef CONFIG_BCM47XX_SSB
static void early_nvram_init_ssb(void)
{
int err = 0;
@@ -163,6 +210,10 @@ static void early_nvram_init(void)
err = early_nvram_init_sflash();
if (err < 0)
printk(KERN_WARNING "can not read from flash: %i\n", err);
+ } else if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_NFLASH) {
+ err = early_nvram_init_nflash();
+ if (err < 0)
+ printk(KERN_WARNING "can not read from nflash: %i\n", err);
} else {
printk(KERN_WARNING "unknow flash type\n");
}
@@ -164,6 +211,10 @@ static void early_nvram_init_bcma(void)
err = early_nvram_init_sflash();
if (err < 0)
printk(KERN_WARNING "can not read from flash: %i\n", err);
+ case BCMA_NFLASH:
+ err = early_nvram_init_nflash();
+ if (err < 0)
+ printk(KERN_WARNING "can not read from nflash: %i\n", err);
default:
printk(KERN_WARNING "unknow flash type\n");
}
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -4,6 +4,7 @@
@ -115,19 +125,9 @@
struct bcm47xx_sflash bcm47xx_sflash;
+struct bcm47xx_nflash bcm47xx_nflash;
static void bcm47xx_machine_restart(char *command)
{
@@ -325,6 +327,9 @@ static void __init bcm47xx_register_bcma
if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_SFLASH)
bcm47xx_sflash_struct_bcma_init(&bcm47xx_sflash, &bcm47xx_bus.bcma.bus.drv_cc);
+
+ if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_NFLASH)
+ bcm47xx_nflash_struct_bcma_init(&bcm47xx_nflash, &bcm47xx_bus.bcma.bus.drv_cc);
}
#endif
@@ -395,6 +400,19 @@ static struct platform_device bcm47xx_sf
static struct resource bcm47xx_pflash_resource = {
.name = "bcm47xx_pflash",
@@ -73,6 +75,19 @@ static struct platform_device bcm47xx_sf
.num_resources = 1,
};
@ -144,19 +144,29 @@
+ .num_resources = 1,
+};
+
static int __init bcm47xx_register_flash(void)
static void bcm47xx_machine_restart(char *command)
{
#ifdef CONFIG_BCM47XX_SSB
@@ -429,6 +447,9 @@ static int __init bcm47xx_register_flash
} else if (drv_cc->flash_type == BCMA_SFLASH) {
bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
return platform_device_register(&bcm47xx_sflash_dev);
+ } else if (drv_cc->flash_type == BCMA_NFLASH) {
+ bcm47xx_nflash_dev.dev.platform_data = &bcm47xx_nflash;
+ return platform_device_register(&bcm47xx_nflash_dev);
} else {
printk(KERN_ERR "No flash device found\n");
return -1;
printk(KERN_ALERT "Please stand by while rebooting the system...\n");
@@ -369,6 +384,9 @@ static void __init bcm47xx_register_bcma
if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_SFLASH)
bcm47xx_sflash_struct_bcma_init(&bcm47xx_sflash, &bcm47xx_bus.bcma.bus.drv_cc);
+
+ if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_NFLASH)
+ bcm47xx_nflash_struct_bcma_init(&bcm47xx_nflash, &bcm47xx_bus.bcma.bus.drv_cc);
}
static int __init bcm47xx_register_flash_bcma(void)
@@ -383,6 +401,9 @@ static int __init bcm47xx_register_flash
case BCMA_SFLASH:
bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
return platform_device_register(&bcm47xx_sflash_dev);
+ case BCMA_NFLASH:
+ bcm47xx_nflash_dev.dev.platform_data = &bcm47xx_nflash;
+ return platform_device_register(&bcm47xx_nflash_dev);
default:
printk(KERN_ERR "No flash device found\n");
return -1;
--- a/arch/mips/include/asm/mach-bcm47xx/bus.h
+++ b/arch/mips/include/asm/mach-bcm47xx/bus.h
@@ -2,6 +2,7 @@
@ -175,7 +185,15 @@
struct bcm47xx_sflash {
enum bcm47xx_bus_type sflash_type;
@@ -38,3 +40,18 @@ void bcm47xx_sflash_struct_bcma_init(str
@@ -29,11 +31,24 @@ struct bcm47xx_sflash {
u32 blocksize; /* Block size */
u32 numblocks; /* Number of blocks */
u32 size; /* Total size in bytes */
-
- struct mtd_info *mtd;
};
void bcm47xx_sflash_struct_bcma_init(struct bcm47xx_sflash *sflash, struct bcma_drv_cc *bcc);
void bcm47xx_sflash_struct_ssb_init(struct bcm47xx_sflash *sflash, struct ssb_chipcommon *scc);
extern struct bcm47xx_sflash bcm47xx_sflash;
@ -194,6 +212,30 @@
+void bcm47xx_nflash_struct_bcma_init(struct bcm47xx_nflash *nflash, struct bcma_drv_cc *bcc);
+
+extern struct bcm47xx_nflash bcm47xx_nflash;
--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -43,6 +43,11 @@ config BCMA_SFLASH
depends on BCMA_DRIVER_MIPS
default y
+config BCMA_NFLASH
+ bool
+ depends on BCMA_DRIVER_MIPS
+ default y
+
config BCMA_DRIVER_MIPS
bool "BCMA Broadcom MIPS core driver"
depends on BCMA && MIPS
--- a/drivers/bcma/Makefile
+++ b/drivers/bcma/Makefile
@@ -1,6 +1,7 @@
bcma-y += main.o scan.o core.o sprom.o
bcma-y += driver_chipcommon.o driver_chipcommon_pmu.o
bcma-$(CONFIG_BCMA_SFLASH) += driver_chipcommon_sflash.o
+bcma-$(CONFIG_BCMA_NFLASH) += driver_chipcommon_nflash.o
bcma-y += driver_pci.o
bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) += driver_pci_host.o
bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o
--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h
@@ -46,6 +46,11 @@ u32 bcma_pmu_get_clockcpu(struct bcma_dr
@ -320,7 +362,7 @@
+ mask = cc->nflash.pagesize - 1;
+ if (bcma_nflash_offset_is_valid(cc, offset, len, mask))
+ return 1;
+
+
+ /* disable partial page enable */
+ reg = bcma_cc_read32(cc, NAND_ACC_CONTROL);
+ reg &= ~NAC_PARTIAL_PAGE_EN;
@ -349,7 +391,7 @@
+ return (len - res);
+}
+
+/* Erase a region. Returns success (0) or failure (-1).
+/* Erase a region. Returns success (0) or failure (-1).
+ * Poll for completion.
+ */
+int bcma_nflash_erase(struct bcma_drv_cc *cc, u32 offset)
@ -393,30 +435,30 @@
switch (bus->drv_cc.capabilities & BCMA_CC_CAP_FLASHT) {
case BCMA_CC_FLASHT_STSER:
case BCMA_CC_FLASHT_ATSER:
--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -43,6 +43,11 @@ config BCMA_SFLASH
depends on BCMA_DRIVER_MIPS
default y
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -537,4 +537,12 @@ config MTD_NAND_FSMC
Enables support for NAND Flash chips on the ST Microelectronics
Flexible Static Memory Controller (FSMC)
+config BCMA_NFLASH
+ bool
+ depends on BCMA_DRIVER_MIPS
+config MTD_NAND_BCM47XX
+ tristate "bcm47xx nand flash support"
+ default y
+ depends on BCM47XX
+ select MTD_PARTITIONS
+ help
+ Support for bcm47xx nand flash
+
config BCMA_DRIVER_MIPS
bool "BCMA Broadcom MIPS core driver"
depends on BCMA && MIPS
--- a/drivers/bcma/Makefile
+++ b/drivers/bcma/Makefile
@@ -1,6 +1,7 @@
bcma-y += main.o scan.o core.o sprom.o
bcma-y += driver_chipcommon.o driver_chipcommon_pmu.o
bcma-$(CONFIG_BCMA_SFLASH) += driver_chipcommon_sflash.o
+bcma-$(CONFIG_BCMA_NFLASH) += driver_chipcommon_nflash.o
bcma-y += driver_pci.o
bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) += driver_pci_host.o
bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o
endif # MTD_NAND
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -49,5 +49,6 @@ obj-$(CONFIG_MTD_NAND_MPC5121_NFC) += mp
obj-$(CONFIG_MTD_NAND_RICOH) += r852.o
obj-$(CONFIG_MTD_NAND_JZ4740) += jz4740_nand.o
obj-$(CONFIG_MTD_NAND_GPMI_NAND) += gpmi-nand/
+obj-$(CONFIG_MTD_NAND_BCM47XX) += bcm47xx_nand.o
nand-objs := nand_base.o nand_bbt.o
--- /dev/null
+++ b/drivers/mtd/nand/bcm47xx_nand.c
@@ -0,0 +1,506 @@
@ -590,7 +632,7 @@
+ goto done;
+ }
+ }
+
+
+ /* Copy input data into holding block */
+ copy_len = min(len, blocksize - (offset & mask));
+ memcpy(block + (offset & mask), ptr, copy_len);
@ -639,7 +681,7 @@
+ pr_err("ERASE: nflash_mtd_poll error\n");
+ return 1;
+ }
+
+
+ return 0;
+}
+
@ -704,14 +746,14 @@
+ nflash->next_opcode = 0;
+ bcm47xx_erase(mtd, page_addr*pagesize, pagesize);
+ break;
+
+
+ case NAND_CMD_ERASE2:
+ break;
+
+ case NAND_CMD_RNDOUT:
+ if (column > mtd->writesize)
+ read_offset += (column - mtd->writesize);
+ else
+ else
+ read_offset += column;
+ break;
+
@ -740,7 +782,7 @@
+ return ret;
+
+ if (nflash->next_opcode == NAND_CMD_STATUS)
+ return NAND_STATUS_WP;
+ return NAND_STATUS_WP;
+
+ id = bcma_cc_read32(nflash->bcc, nflash->next_opcode);
+
@ -879,7 +921,7 @@
+ pr_err("mtd_device_register failed\n");
+ return ret;
+ }
+
+
+ return 0;
+
+done:
@ -926,30 +968,6 @@
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("BCM47XX NAND flash driver");
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -537,4 +537,12 @@ config MTD_NAND_FSMC
Enables support for NAND Flash chips on the ST Microelectronics
Flexible Static Memory Controller (FSMC)
+config MTD_NAND_BCM47XX
+ tristate "bcm47xx nand flash support"
+ default y
+ depends on BCM47XX
+ select MTD_PARTITIONS
+ help
+ Support for bcm47xx nand flash
+
endif # MTD_NAND
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -49,5 +49,6 @@ obj-$(CONFIG_MTD_NAND_MPC5121_NFC) += mp
obj-$(CONFIG_MTD_NAND_RICOH) += r852.o
obj-$(CONFIG_MTD_NAND_JZ4740) += jz4740_nand.o
obj-$(CONFIG_MTD_NAND_GPMI_NAND) += gpmi-nand/
+obj-$(CONFIG_MTD_NAND_BCM47XX) += bcm47xx_nand.o
nand-objs := nand_base.o nand_bbt.o
--- a/include/linux/bcma/bcma_driver_chipcommon.h
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
@@ -376,6 +376,7 @@ struct bcma_chipcommon_pmu {
@ -985,8 +1003,8 @@
};
int nr_serial_ports;
@@ -483,4 +495,13 @@ int bcma_sflash_commit(struct bcma_drv_c
const u8 *buf);
@@ -481,4 +493,13 @@ int bcma_sflash_write(struct bcma_drv_cc
int bcma_sflash_erase(struct bcma_drv_cc *cc, u32 offset);
#endif /* CONFIG_BCMA_SFLASH */
+#ifdef CONFIG_BCMA_NFLASH
@ -1008,7 +1026,7 @@
+ * Copyright (C) 2011-2012 Tathagata Das <tathagata@alumnux.com>
+ * Copyright (C) 2009, Broadcom Corporation
+ * All Rights Reserved.
+ *
+ *
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS

6
target/linux/brcm47xx/patches-3.2/114-MIPS-BCM47xx-Setup-and-register-serial-early.patch
View File

@ -24,7 +24,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
#include <asm/bootinfo.h>
#include <asm/reboot.h>
#include <asm/time.h>
@@ -281,6 +283,31 @@ static int bcm47xx_get_invariants(struct
@@ -320,6 +322,31 @@ static int bcm47xx_get_invariants(struct
return 0;
}
@ -56,7 +56,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
static void __init bcm47xx_register_ssb(void)
{
int err;
@@ -313,6 +340,10 @@ static void __init bcm47xx_register_ssb(
@@ -352,6 +379,10 @@ static void __init bcm47xx_register_ssb(
memcpy(&mcore->serial_ports[1], &port, sizeof(port));
}
}
@ -65,5 +65,5 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
+ bcm47xx_early_serial_setup(mcore);
+#endif
}
#endif
static int __init bcm47xx_register_flash_ssb(void)

2
target/linux/brcm47xx/patches-3.2/197-MIPS-BCM47XX-return-number-of-written-bytes-in-nvram.patch
View File

@ -1,7 +1,7 @@
--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
@@ -243,8 +243,7 @@ int nvram_getenv(char *name, char *val,
@@ -258,8 +258,7 @@ int nvram_getenv(char *name, char *val,
value = eq + 1;
if ((eq - var) == strlen(name) &&
strncmp(var, name, (eq - var)) == 0) {

2
target/linux/brcm47xx/patches-3.2/199-MIPS-BCM47XX-move-and-extend-sprom-parsing.patch
View File

@ -9,7 +9,7 @@
obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -93,156 +93,7 @@ static void bcm47xx_machine_halt(void)
@@ -132,156 +132,7 @@ static void bcm47xx_machine_halt(void)
}
#ifdef CONFIG_BCM47XX_SSB

8
target/linux/brcm47xx/patches-3.2/200-MIPS-BCM47XX-provide-sprom-to-bcma-bus.patch
View File

@ -9,7 +9,7 @@
* Copyright (C) 2011-2012 Tathagata Das <tathagata@alumnux.com>
*
* This program is free software; you can redistribute it and/or modify it
@@ -93,7 +93,7 @@ static void bcm47xx_machine_halt(void)
@@ -132,7 +132,7 @@ static void bcm47xx_machine_halt(void)
}
#ifdef CONFIG_BCM47XX_SSB
@ -18,7 +18,7 @@
{
char prefix[10];
@@ -110,7 +110,7 @@ static int bcm47xx_get_sprom(struct ssb_
@@ -149,7 +149,7 @@ static int bcm47xx_get_sprom(struct ssb_
}
static int bcm47xx_get_invariants(struct ssb_bus *bus,
@ -27,7 +27,7 @@
{
char buf[20];
@@ -165,7 +165,7 @@ static void __init bcm47xx_register_ssb(
@@ -204,7 +204,7 @@ static void __init bcm47xx_register_ssb(
char buf[100];
struct ssb_mipscore *mcore;
@ -36,7 +36,7 @@
if (err)
printk(KERN_WARNING "bcm47xx: someone else already registered"
" a ssb SPROM callback handler (err %d)\n", err);
@@ -199,10 +199,41 @@ static void __init bcm47xx_register_ssb(
@@ -256,10 +256,41 @@ static int __init bcm47xx_register_flash
#endif
#ifdef CONFIG_BCM47XX_BCMA

6
target/linux/brcm47xx/patches-3.2/231-bcma_reorder_sprom_fill.patch
View File

@ -1,6 +1,6 @@
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -98,6 +98,7 @@ static int bcm47xx_get_sprom_ssb(struct
@@ -137,6 +137,7 @@ static int bcm47xx_get_sprom_ssb(struct
char prefix[10];
if (bus->bustype == SSB_BUSTYPE_PCI) {
@ -8,7 +8,7 @@
snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
bus->host_pci->bus->number + 1,
PCI_SLOT(bus->host_pci->devfn));
@@ -126,6 +127,7 @@ static int bcm47xx_get_invariants(struct
@@ -165,6 +166,7 @@ static int bcm47xx_get_invariants(struct
if (nvram_getenv("boardrev", buf, sizeof(buf)) >= 0)
iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);
@ -16,7 +16,7 @@
bcm47xx_fill_sprom(&iv->sprom, NULL);
if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
@@ -206,12 +208,14 @@ static int bcm47xx_get_sprom_bcma(struct
@@ -263,12 +265,14 @@ static int bcm47xx_get_sprom_bcma(struct
switch (bus->hosttype) {
case BCMA_HOSTTYPE_PCI:

4
target/linux/brcm47xx/patches-3.2/400-arch-bcm47xx.patch
View File

@ -1,6 +1,6 @@
--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
@@ -249,3 +249,30 @@ int nvram_getenv(char *name, char *val,
@@ -264,3 +264,30 @@ int nvram_getenv(char *name, char *val,
return NVRAM_ERR_ENVNOTFOUND;
}
EXPORT_SYMBOL(nvram_getenv);
@ -33,7 +33,7 @@
+EXPORT_SYMBOL(nvram_get);
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -376,3 +376,20 @@ static int __init bcm47xx_register_flash
@@ -384,3 +384,20 @@ static int __init bcm47xx_register_flash
return -1;
}
fs_initcall(bcm47xx_register_flash);

6
target/linux/brcm47xx/patches-3.2/820-wgt634u-nvram-fix.patch
View File

@ -254,7 +254,7 @@ out the configuration than the in kernel cfe config reader.
/* Probe for NVRAM header */
static void early_nvram_init_pflash(void)
@@ -61,6 +63,25 @@ static void early_nvram_init_pflash(void
@@ -58,6 +60,25 @@ static void early_nvram_init_pflash(void
break;
#endif
}
@ -280,7 +280,7 @@ out the configuration than the in kernel cfe config reader.
off = FLASH_MIN;
while (off <= lim) {
@@ -232,6 +253,12 @@ int nvram_getenv(char *name, char *val,
@@ -247,6 +268,12 @@ int nvram_getenv(char *name, char *val,
if (!nvram_buf[0])
early_nvram_init();
@ -293,7 +293,7 @@ out the configuration than the in kernel cfe config reader.
/* Look for name=value and return value */
var = &nvram_buf[sizeof(struct nvram_header)];
end = nvram_buf + sizeof(nvram_buf) - 2;
@@ -260,6 +287,9 @@ char *nvram_get(const char *name)
@@ -275,6 +302,9 @@ char *nvram_get(const char *name)
if (!nvram_buf[0])
early_nvram_init();

2
target/linux/brcm47xx/patches-3.2/980-wnr834b_no_cardbus_invariant.patch
View File

@ -1,6 +1,6 @@
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -133,6 +133,10 @@ static int bcm47xx_get_invariants(struct
@@ -172,6 +172,10 @@ static int bcm47xx_get_invariants(struct
if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);