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-rw-r--r--target/linux/brcm47xx/patches-3.0/0015-ssb-add-serial-flash-support.patch697
1 files changed, 0 insertions, 697 deletions
diff --git a/target/linux/brcm47xx/patches-3.0/0015-ssb-add-serial-flash-support.patch b/target/linux/brcm47xx/patches-3.0/0015-ssb-add-serial-flash-support.patch
deleted file mode 100644
index e91c2a44f4..0000000000
--- a/target/linux/brcm47xx/patches-3.0/0015-ssb-add-serial-flash-support.patch
+++ /dev/null
@@ -1,697 +0,0 @@
-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
-
- If unsure, say N
-
-+config SSB_SFLASH
-+ bool
-+ depends on SSB_DRIVER_MIPS
-+ default y
-+
-+
- # Assumption: We are on embedded, if we compile the MIPS core.
- config SSB_EMBEDDED
- bool
---- a/drivers/ssb/Makefile
-+++ b/drivers/ssb/Makefile
-@@ -11,6 +11,7 @@ ssb-$(CONFIG_SSB_SDIOHOST) += sdio.o
- # built-in drivers
- ssb-y += driver_chipcommon.o
- ssb-y += driver_chipcommon_pmu.o
-+ssb-$(CONFIG_SSB_SFLASH) += driver_chipcommon_sflash.o
- ssb-$(CONFIG_SSB_DRIVER_MIPS) += driver_mipscore.o
- ssb-$(CONFIG_SSB_DRIVER_EXTIF) += driver_extif.o
- ssb-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o
---- /dev/null
-+++ b/drivers/ssb/driver_chipcommon_sflash.c
-@@ -0,0 +1,556 @@
-+/*
-+ * Broadcom SiliconBackplane chipcommon serial flash interface
-+ *
-+ * Copyright 2011, Jonas Gorski <jonas.gorski@gmail.com>
-+ * Copyright 2010, Broadcom Corporation
-+ *
-+ * Licensed under the GNU/GPL. See COPYING for details.
-+ */
-+
-+#include <linux/ssb/ssb.h>
-+#include <linux/ssb/ssb_driver_chipcommon.h>
-+#include <linux/delay.h>
-+
-+#include "ssb_private.h"
-+
-+#define NUM_RETRIES 3
-+
-+
-+/* Issue a serial flash command */
-+static inline void ssb_sflash_cmd(struct ssb_chipcommon *cc, u32 opcode)
-+{
-+ chipco_write32(cc, SSB_CHIPCO_FLASHCTL,
-+ SSB_CHIPCO_FLASHCTL_START | opcode);
-+ while (chipco_read32(cc, SSB_CHIPCO_FLASHCTL)
-+ & SSB_CHIPCO_FLASHCTL_BUSY)
-+ ;
-+}
-+
-+
-+static inline void ssb_sflash_write_u8(struct ssb_chipcommon *cc,
-+ u32 offset, u8 byte)
-+{
-+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, offset);
-+ chipco_write32(cc, SSB_CHIPCO_FLASHDATA, byte);
-+}
-+
-+/* Initialize serial flash access */
-+int ssb_sflash_init(struct ssb_chipcommon *cc)
-+{
-+ u32 id, id2;
-+
-+ memset(&cc->sflash, 0, sizeof(struct ssb_sflash));
-+
-+ switch (cc->capabilities & SSB_CHIPCO_CAP_FLASHT) {
-+ case SSB_CHIPCO_FLASHT_STSER:
-+ /* Probe for ST chips */
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_DP);
-+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, 0);
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_RES);
-+ id = chipco_read32(cc, SSB_CHIPCO_FLASHDATA);
-+ cc->sflash.blocksize = 64 * 1024;
-+ switch (id) {
-+ case 0x11:
-+ /* ST M25P20 2 Mbit Serial Flash */
-+ cc->sflash.numblocks = 4;
-+ break;
-+ case 0x12:
-+ /* ST M25P40 4 Mbit Serial Flash */
-+ cc->sflash.numblocks = 8;
-+ break;
-+ case 0x13:
-+ /* ST M25P80 8 Mbit Serial Flash */
-+ cc->sflash.numblocks = 16;
-+ break;
-+ case 0x14:
-+ /* ST M25P16 16 Mbit Serial Flash */
-+ cc->sflash.numblocks = 32;
-+ break;
-+ case 0x15:
-+ /* ST M25P32 32 Mbit Serial Flash */
-+ cc->sflash.numblocks = 64;
-+ break;
-+ case 0x16:
-+ /* ST M25P64 64 Mbit Serial Flash */
-+ cc->sflash.numblocks = 128;
-+ break;
-+ case 0x17:
-+ /* ST M25FL128 128 Mbit Serial Flash */
-+ cc->sflash.numblocks = 256;
-+ break;
-+ case 0xbf:
-+ /* All of the following flashes are SST with
-+ * 4KB subsectors. Others should be added but
-+ * We'll have to revamp the way we identify them
-+ * since RES is not eough to disambiguate them.
-+ */
-+ cc->sflash.blocksize = 4 * 1024;
-+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, 1);
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_RES);
-+ id2 = chipco_read32(cc, SSB_CHIPCO_FLASHDATA);
-+ switch (id2) {
-+ case 1:
-+ /* SST25WF512 512 Kbit Serial Flash */
-+ case 0x48:
-+ /* SST25VF512 512 Kbit Serial Flash */
-+ cc->sflash.numblocks = 16;
-+ break;
-+ case 2:
-+ /* SST25WF010 1 Mbit Serial Flash */
-+ case 0x49:
-+ /* SST25VF010 1 Mbit Serial Flash */
-+ cc->sflash.numblocks = 32;
-+ break;
-+ case 3:
-+ /* SST25WF020 2 Mbit Serial Flash */
-+ case 0x43:
-+ /* SST25VF020 2 Mbit Serial Flash */
-+ cc->sflash.numblocks = 64;
-+ break;
-+ case 4:
-+ /* SST25WF040 4 Mbit Serial Flash */
-+ case 0x44:
-+ /* SST25VF040 4 Mbit Serial Flash */
-+ case 0x8d:
-+ /* SST25VF040B 4 Mbit Serial Flash */
-+ cc->sflash.numblocks = 128;
-+ break;
-+ case 5:
-+ /* SST25WF080 8 Mbit Serial Flash */
-+ case 0x8e:
-+ /* SST25VF080B 8 Mbit Serial Flash */
-+ cc->sflash.numblocks = 256;
-+ break;
-+ case 0x41:
-+ /* SST25VF016 16 Mbit Serial Flash */
-+ cc->sflash.numblocks = 512;
-+ break;
-+ case 0x4a:
-+ /* SST25VF032 32 Mbit Serial Flash */
-+ cc->sflash.numblocks = 1024;
-+ break;
-+ case 0x4b:
-+ /* SST25VF064 64 Mbit Serial Flash */
-+ cc->sflash.numblocks = 2048;
-+ break;
-+ }
-+ break;
-+ }
-+ break;
-+
-+ case SSB_CHIPCO_FLASHT_ATSER:
-+ /* Probe for Atmel chips */
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_AT_STATUS);
-+ id = chipco_read32(cc, SSB_CHIPCO_FLASHDATA) & 0x3c;
-+ switch (id) {
-+ case 0xc:
-+ /* Atmel AT45DB011 1Mbit Serial Flash */
-+ cc->sflash.blocksize = 256;
-+ cc->sflash.numblocks = 512;
-+ break;
-+ case 0x14:
-+ /* Atmel AT45DB021 2Mbit Serial Flash */
-+ cc->sflash.blocksize = 256;
-+ cc->sflash.numblocks = 1024;
-+ break;
-+ case 0x1c:
-+ /* Atmel AT45DB041 4Mbit Serial Flash */
-+ cc->sflash.blocksize = 256;
-+ cc->sflash.numblocks = 2048;
-+ break;
-+ case 0x24:
-+ /* Atmel AT45DB081 8Mbit Serial Flash */
-+ cc->sflash.blocksize = 256;
-+ cc->sflash.numblocks = 4096;
-+ break;
-+ case 0x2c:
-+ /* Atmel AT45DB161 16Mbit Serial Flash */
-+ cc->sflash.blocksize = 512;
-+ cc->sflash.numblocks = 4096;
-+ break;
-+ case 0x34:
-+ /* Atmel AT45DB321 32Mbit Serial Flash */
-+ cc->sflash.blocksize = 512;
-+ cc->sflash.numblocks = 8192;
-+ break;
-+ case 0x3c:
-+ /* Atmel AT45DB642 64Mbit Serial Flash */
-+ cc->sflash.blocksize = 1024;
-+ cc->sflash.numblocks = 8192;
-+ break;
-+ }
-+ break;
-+ }
-+
-+ cc->sflash.size = cc->sflash.blocksize * cc->sflash.numblocks;
-+
-+ return cc->sflash.size ? 0 : -ENODEV;
-+}
-+
-+/* 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)
-+{
-+ u8 *from, *to;
-+ u32 cnt, i;
-+
-+ if (!len)
-+ return 0;
-+
-+ if ((offset + len) > cc->sflash.size)
-+ return -EINVAL;
-+
-+ if ((len >= 4) && (offset & 3))
-+ cnt = 4 - (offset & 3);
-+ else if ((len >= 4) && ((u32)buf & 3))
-+ cnt = 4 - ((u32)buf & 3);
-+ else
-+ cnt = len;
-+
-+
-+ if (cc->dev->id.revision == 12)
-+ from = (u8 *)KSEG1ADDR(SSB_FLASH2 + offset);
-+ else
-+ from = (u8 *)KSEG0ADDR(SSB_FLASH2 + offset);
-+
-+ to = (u8 *)buf;
-+
-+ if (cnt < 4) {
-+ for (i = 0; i < cnt; i++) {
-+ *to = readb(from);
-+ from++;
-+ to++;
-+ }
-+ return cnt;
-+ }
-+
-+ while (cnt >= 4) {
-+ *(u32 *)to = readl(from);
-+ from += 4;
-+ to += 4;
-+ cnt -= 4;
-+ }
-+
-+ return len - cnt;
-+}
-+
-+/* Poll for command completion. Returns zero when complete. */
-+int ssb_sflash_poll(struct ssb_chipcommon *cc, u32 offset)
-+{
-+ if (offset >= cc->sflash.size)
-+ return -22;
-+
-+ switch (cc->capabilities & SSB_CHIPCO_CAP_FLASHT) {
-+ case SSB_CHIPCO_FLASHT_STSER:
-+ /* Check for ST Write In Progress bit */
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_RDSR);
-+ return chipco_read32(cc, SSB_CHIPCO_FLASHDATA)
-+ & SSB_CHIPCO_FLASHSTA_ST_WIP;
-+ case SSB_CHIPCO_FLASHT_ATSER:
-+ /* Check for Atmel Ready bit */
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_AT_STATUS);
-+ return !(chipco_read32(cc, SSB_CHIPCO_FLASHDATA)
-+ & SSB_CHIPCO_FLASHSTA_AT_READY);
-+ }
-+
-+ return 0;
-+}
-+
-+
-+static int sflash_st_write(struct ssb_chipcommon *cc, u32 offset, u32 len,
-+ const u8 *buf)
-+{
-+ struct ssb_bus *bus = cc->dev->bus;
-+ int ret = 0;
-+ 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) {
-+ mask = 1 << 14;
-+ ssb_sflash_write_u8(cc, offset, *buf++);
-+ /* Set chip select */
-+ chipco_set32(cc, SSB_CHIPCO_GPIOOUT, mask);
-+ /* Issue a page program with the first byte */
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_PP);
-+ ret = 1;
-+ offset++;
-+ len--;
-+ while (len > 0) {
-+ if ((offset & 255) == 0) {
-+ /* Page boundary, drop cs and return */
-+ chipco_mask32(cc, SSB_CHIPCO_GPIOOUT, ~mask);
-+ udelay(1);
-+ if (!ssb_sflash_poll(cc, offset)) {
-+ /* Flash rejected command */
-+ return -EAGAIN;
-+ }
-+ return ret;
-+ } else {
-+ /* Write single byte */
-+ ssb_sflash_cmd(cc, *buf++);
-+ }
-+ ret++;
-+ offset++;
-+ len--;
-+ }
-+ /* All done, drop cs */
-+ chipco_mask32(cc, SSB_CHIPCO_GPIOOUT, ~mask);
-+ udelay(1);
-+ if (!ssb_sflash_poll(cc, offset)) {
-+ /* Flash rejected command */
-+ return -EAGAIN;
-+ }
-+ } else if (cc->dev->id.revision >= 20) {
-+ ssb_sflash_write_u8(cc, offset, *buf++);
-+ /* Issue a page program with CSA bit set */
-+ ssb_sflash_cmd(cc,
-+ SSB_CHIPCO_FLASHCTL_ST_CSA |
-+ SSB_CHIPCO_FLASHCTL_ST_PP);
-+ ret = 1;
-+ offset++;
-+ len--;
-+ while (len > 0) {
-+ if ((offset & 255) == 0) {
-+ /* Page boundary, poll droping cs and return */
-+ chipco_write32(cc, SSB_CHIPCO_FLASHCTL, 0);
-+ udelay(1);
-+ if (!ssb_sflash_poll(cc, offset)) {
-+ /* Flash rejected command */
-+ return -EAGAIN;
-+ }
-+ return ret;
-+ } else {
-+ /* Write single byte */
-+ ssb_sflash_cmd(cc,
-+ SSB_CHIPCO_FLASHCTL_ST_CSA |
-+ *buf++);
-+ }
-+ ret++;
-+ offset++;
-+ len--;
-+ }
-+ /* All done, drop cs & poll */
-+ chipco_write32(cc, SSB_CHIPCO_FLASHCTL, 0);
-+ udelay(1);
-+ if (!ssb_sflash_poll(cc, offset)) {
-+ /* Flash rejected command */
-+ return -EAGAIN;
-+ }
-+ } else {
-+ ret = 1;
-+ ssb_sflash_write_u8(cc, offset, *buf);
-+ /* Page program */
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_PP);
-+ }
-+ return ret;
-+}
-+
-+static int sflash_at_write(struct ssb_chipcommon *cc, u32 offset, u32 len,
-+ const u8 *buf)
-+{
-+ struct ssb_sflash *sfl = &cc->sflash;
-+ u32 page, byte, mask;
-+ int ret = 0;
-+ mask = sfl->blocksize - 1;
-+ page = (offset & ~mask) << 1;
-+ byte = offset & mask;
-+ /* Read main memory page into buffer 1 */
-+ if (byte || (len < sfl->blocksize)) {
-+ int i = 100;
-+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, page);
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_AT_BUF1_LOAD);
-+ /* 250 us for AT45DB321B */
-+ while (i > 0 && ssb_sflash_poll(cc, offset)) {
-+ udelay(10);
-+ i--;
-+ }
-+ BUG_ON(!ssb_sflash_poll(cc, offset));
-+ }
-+ /* Write into buffer 1 */
-+ for (ret = 0; (ret < (int)len) && (byte < sfl->blocksize); ret++) {
-+ ssb_sflash_write_u8(cc, byte++, *buf++);
-+ ssb_sflash_cmd(cc,
-+ SSB_CHIPCO_FLASHCTL_AT_BUF1_WRITE);
-+ }
-+ /* Write buffer 1 into main memory page */
-+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, page);
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_AT_BUF1_PROGRAM);
-+
-+ return ret;
-+}
-+
-+/* Write len bytes starting at offset into buf. Returns number of bytes
-+ * written. Caller should poll for completion.
-+ */
-+int ssb_sflash_write(struct ssb_chipcommon *cc, u32 offset, u32 len,
-+ const u8 *buf)
-+{
-+ struct ssb_sflash *sfl;
-+ int ret = 0, tries = NUM_RETRIES;
-+
-+ if (!len)
-+ return 0;
-+
-+ if ((offset + len) > cc->sflash.size)
-+ return -EINVAL;
-+
-+ sfl = &cc->sflash;
-+ switch (cc->capabilities & SSB_CHIPCO_CAP_FLASHT) {
-+ case SSB_CHIPCO_FLASHT_STSER:
-+ do {
-+ ret = sflash_st_write(cc, offset, len, buf);
-+ tries--;
-+ } while (ret == -EAGAIN && tries > 0);
-+
-+ if (ret == -EAGAIN && tries == 0) {
-+ pr_info("ST Flash rejected write\n");
-+ ret = -EIO;
-+ }
-+ break;
-+ case SSB_CHIPCO_FLASHT_ATSER:
-+ ret = sflash_at_write(cc, offset, len, buf);
-+ break;
-+ }
-+
-+ return ret;
-+}
-+
-+/* Erase a region. Returns number of bytes scheduled for erasure.
-+ * Caller should poll for completion.
-+ */
-+int ssb_sflash_erase(struct ssb_chipcommon *cc, u32 offset)
-+{
-+ struct ssb_sflash *sfl;
-+
-+ if (offset >= cc->sflash.size)
-+ return -EINVAL;
-+
-+ sfl = &cc->sflash;
-+ switch (cc->capabilities & SSB_CHIPCO_CAP_FLASHT) {
-+ 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.
-+ */
-+ ssb_sflash_cmd(cc, (sfl->blocksize < (64 * 1024)) ? SSB_CHIPCO_FLASHCTL_ST_SSE : SSB_CHIPCO_FLASHCTL_ST_SE);
-+ return sfl->blocksize;
-+ case SSB_CHIPCO_FLASHT_ATSER:
-+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, offset << 1);
-+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_AT_PAGE_ERASE);
-+ return sfl->blocksize;
-+ }
-+
-+ 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
- switch (bus->chipco.capabilities & SSB_CHIPCO_CAP_FLASHT) {
- case SSB_CHIPCO_FLASHT_STSER:
- case SSB_CHIPCO_FLASHT_ATSER:
-+#ifdef CONFIG_SSB_SFLASH
-+ pr_info("found serial flash.\n");
-+ bus->chipco.flash_type = SSB_SFLASH;
-+ ssb_sflash_init(&bus->chipco);
-+#else
- pr_info("serial flash not supported.\n");
-+#endif /* CONFIG_SSB_SFLASH */
- break;
- case SSB_CHIPCO_FLASHT_PARA:
- pr_info("found parallel flash.\n");
---- a/drivers/ssb/ssb_private.h
-+++ b/drivers/ssb/ssb_private.h
-@@ -192,6 +192,10 @@ extern int ssb_devices_freeze(struct ssb
- extern int ssb_devices_thaw(struct ssb_freeze_context *ctx);
-
-
-+#ifdef CONFIG_SSB_SFLASH
-+/* driver_chipcommon_sflash.c */
-+int ssb_sflash_init(struct ssb_chipcommon *cc);
-+#endif /* CONFIG_SSB_SFLASH */
-
- /* b43_pci_bridge.c */
- #ifdef CONFIG_SSB_B43_PCI_BRIDGE
---- a/include/linux/ssb/ssb_driver_chipcommon.h
-+++ b/include/linux/ssb/ssb_driver_chipcommon.h
-@@ -503,8 +503,10 @@
- #define SSB_CHIPCO_FLASHCTL_ST_PP 0x0302 /* Page Program */
- #define SSB_CHIPCO_FLASHCTL_ST_SE 0x02D8 /* Sector Erase */
- #define SSB_CHIPCO_FLASHCTL_ST_BE 0x00C7 /* Bulk Erase */
--#define SSB_CHIPCO_FLASHCTL_ST_DP 0x00B9 /* Deep Power-down */
--#define SSB_CHIPCO_FLASHCTL_ST_RSIG 0x03AB /* Read Electronic Signature */
-+#define SSB_CHIPCO_FLASHCTL_ST_DP 0x00D9 /* Deep Power-down */
-+#define SSB_CHIPCO_FLASHCTL_ST_RES 0x03AB /* Read Electronic Signature */
-+#define SSB_CHIPCO_FLASHCTL_ST_CSA 0x1000 /* Keep chip select asserted */
-+#define SSB_CHIPCO_FLASHCTL_ST_SSE 0x0220 /* Sub-sector Erase */
-
- /* Status register bits for ST flashes */
- #define SSB_CHIPCO_FLASHSTA_ST_WIP 0x01 /* Write In Progress */
-@@ -585,6 +587,7 @@ struct ssb_chipcommon_pmu {
- #ifdef CONFIG_SSB_DRIVER_MIPS
- enum ssb_flash_type {
- SSB_PFLASH,
-+ SSB_SFLASH,
- };
-
- struct ssb_pflash {
-@@ -592,6 +595,14 @@ struct ssb_pflash {
- u32 window;
- u32 window_size;
- };
-+
-+#ifdef CONFIG_SSB_SFLASH
-+struct ssb_sflash {
-+ u32 blocksize; /* Block size */
-+ u32 numblocks; /* Number of blocks */
-+ u32 size; /* Total size in bytes */
-+};
-+#endif /* CONFIG_SSB_SFLASH */
- #endif /* CONFIG_SSB_DRIVER_MIPS */
-
- struct ssb_chipcommon {
-@@ -605,6 +616,9 @@ struct ssb_chipcommon {
- enum ssb_flash_type flash_type;
- union {
- struct ssb_pflash pflash;
-+#ifdef CONFIG_SSB_SFLASH
-+ struct ssb_sflash sflash;
-+#endif /* CONFIG_SSB_SFLASH */
- };
- #endif /* CONFIG_SSB_DRIVER_MIPS */
- };
-@@ -666,6 +680,18 @@ extern int ssb_chipco_serial_init(struct
- struct ssb_serial_port *ports);
- #endif /* CONFIG_SSB_SERIAL */
-
-+#ifdef CONFIG_SSB_SFLASH
-+/* Chipcommon sflash support. */
-+int ssb_sflash_read(struct ssb_chipcommon *cc, u32 offset, u32 len,
-+ u8 *buf);
-+int ssb_sflash_poll(struct ssb_chipcommon *cc, u32 offset);
-+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 */
- extern void ssb_pmu_init(struct ssb_chipcommon *cc);
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 13:20:59 +0000