-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)
-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
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.
+
+
+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);
+}
+
+/* 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;
+ 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;
+
+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;
-+ 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++);
++ 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;
+ }
-+ 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;
++ return written;
++ } else {
++ /* Write single byte */
++ bcma_sflash_cmd(cc,
++ BCMA_CC_FLASHCTL_ST_CSA |
++ *buf++);
+ }
-+ } 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;
++ written++;
+ 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,
+ struct bcma_sflash *sfl = &cc->sflash;
+ u32 page, byte, mask;
+ int ret = 0;
++
+ mask = sfl->blocksize - 1;
+ page = (offset & ~mask) << 1;
+ byte = offset & mask;
+ /* 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);
+ * 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;
+ * 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);
+
+ 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(
};
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);
+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_ */
-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];
-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
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.
+
+
+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);
+}
+
+/* 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;
+ 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) {
+ 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);
+
+ 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
};
#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 */
+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 */
-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 @@
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
+ *
+ 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;
+ 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;
+ 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;
+ 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;
--- /dev/null
+++ b/arch/mips/include/asm/mach-bcm47xx/bus.h
-@@ -0,0 +1,37 @@
+@@ -0,0 +1,36 @@
+/*
+ * BCM947xx nvram variable access
+ *
+ 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 */
-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
+ /* 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:
-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
-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 @@
#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 */
+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
+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)
+ return -EINVAL;
+
+ *retlen = 0;
-+
+ while (len) {
+ int ret = sflash->read(sflash, from, len, buf);
+ if (ret < 0)
+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)
+
+ *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;
+
+{
+ 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;
+
+ 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);
-+
-+ if (sflash) {
-+ mtd_device_unregister(sflash->mtd);
-+ map_destroy(sflash->mtd);
-+ kfree(sflash->mtd->eraseregions);
-+ kfree(sflash->mtd);
++ struct mtd_info *mtd = dev_get_drvdata(&pdev->dev);
++
++ if (mtd) {
++ mtd_device_unregister(mtd);
++ map_destroy(mtd);
++ kfree(mtd->eraseregions);
++ kfree(mtd);
++ dev_set_drvdata(&pdev->dev, NULL);
+ }
+ return 0;
+}
-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 @@
#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,
+ .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;
-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 @@
{
#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)
+ return 0;
+}
+
-+static void early_nvram_init(void)
++#ifdef CONFIG_BCM47XX_SSB
++static void early_nvram_init_ssb(void)
+{
-+ int err = 0;
++ 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)
++{
+ 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
+ }
+--- 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 @@
*
* 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;
}
static char nvram_buf[NVRAM_SPACE];
-@@ -137,6 +139,51 @@ found:
+@@ -134,6 +136,51 @@ found:
return 0;
}
+ 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 @@
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,
};
+ .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 @@
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;
+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
+ 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;
+ 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)
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-$(CONFIG_MTD_NAND_BCM47XX) += bcm47xx_nand.o
+
+ nand-objs := nand_base.o nand_bbt.o
--- /dev/null
+++ b/drivers/mtd/nand/bcm47xx_nand.c
@@ -0,0 +1,506 @@
+ goto done;
+ }
+ }
-+
++
+ /* Copy input data into holding block */
+ copy_len = min(len, blocksize - (offset & mask));
+ memcpy(block + (offset & mask), ptr, copy_len);
+ pr_err("ERASE: nflash_mtd_poll error\n");
+ return 1;
+ }
-+
++
+ return 0;
+}
+
+ nflash->next_opcode = 0;
+ bcm47xx_erase(mtd, page_addr*pagesize, pagesize);
+ break;
-+
++
+ case NAND_CMD_ERASE2:
+ break;
+
+ case NAND_CMD_RNDOUT:
+ if (column > mtd->writesize)
+ read_offset += (column - mtd->writesize);
-+ else
++ else
+ read_offset += column;
+ break;
+
+ return ret;
+
+ if (nflash->next_opcode == NAND_CMD_STATUS)
-+ return NAND_STATUS_WP;
++ return NAND_STATUS_WP;
+
+ id = bcma_cc_read32(nflash->bcc, nflash->next_opcode);
+
+ pr_err("mtd_device_register failed\n");
+ return ret;
+ }
-+
++
+ return 0;
+
+done:
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("BCM47XX NAND flash driver");
---- a/drivers/mtd/nand/Kconfig
-+++ b/drivers/mtd/nand/Kconfig
-@@ -537,4 +537,12 @@ config MTD_NAND_FSMC
- Enables support for NAND Flash chips on the ST Microelectronics
- Flexible Static Memory Controller (FSMC)
-
-+config MTD_NAND_BCM47XX
-+ tristate "bcm47xx nand flash support"
-+ default y
-+ depends on BCM47XX
-+ select MTD_PARTITIONS
-+ help
-+ Support for bcm47xx nand flash
-+
- endif # MTD_NAND
---- a/drivers/mtd/nand/Makefile
-+++ b/drivers/mtd/nand/Makefile
-@@ -49,5 +49,6 @@ obj-$(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 {
};
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
+ * 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
#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;
}
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));
}
}
+ bcm47xx_early_serial_setup(mcore);
+#endif
}
- #endif
+ static int __init bcm47xx_register_flash_ssb(void)
--- 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) {
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
* 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
{
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,
{
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;
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
--- 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) {
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);
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:
--- 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);
+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);
/* 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
}
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();
/* 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();
--- 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);
projects / openwrt.git / commitdiff