diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.8/060-ssb-add-serial-flash-driver.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.8/060-ssb-add-serial-flash-driver.patch | 87 |
1 files changed, 26 insertions, 61 deletions
diff --git a/target/linux/brcm47xx/patches-3.8/060-ssb-add-serial-flash-driver.patch b/target/linux/brcm47xx/patches-3.8/060-ssb-add-serial-flash-driver.patch index 1148a48..dcb70e8 100644 --- a/target/linux/brcm47xx/patches-3.8/060-ssb-add-serial-flash-driver.patch +++ b/target/linux/brcm47xx/patches-3.8/060-ssb-add-serial-flash-driver.patch @@ -11,7 +11,7 @@ # Assumption: We are on embedded, if we compile the MIPS core. --- a/drivers/ssb/driver_chipcommon_sflash.c +++ b/drivers/ssb/driver_chipcommon_sflash.c -@@ -1,14 +1,35 @@ +@@ -1,14 +1,22 @@ /* * Sonics Silicon Backplane * ChipCommon serial flash interface @@ -31,50 +31,19 @@ +#define NUM_RETRIES 3 + -+static struct resource ssb_sflash_resource = { -+ .name = "ssb_sflash", -+ .start = SSB_FLASH2, -+ .end = 0, -+ .flags = IORESOURCE_MEM | IORESOURCE_READONLY, -+}; -+ -+struct platform_device ssb_sflash_dev = { -+ .name = "bcm47xx-sflash", -+ .resource = &ssb_sflash_resource, -+ .num_resources = 1, -+}; -+ - struct ssb_sflash_tbl_e { - char *name; - u32 id; -@@ -16,7 +37,7 @@ struct ssb_sflash_tbl_e { - u16 numblocks; + static struct resource ssb_sflash_resource = { + .name = "ssb_sflash", + .start = SSB_FLASH2, +@@ -17,7 +25,7 @@ static struct resource ssb_sflash_resour }; --static struct ssb_sflash_tbl_e ssb_sflash_st_tbl[] = { -+static const struct ssb_sflash_tbl_e ssb_sflash_st_tbl[] = { - { "M25P20", 0x11, 0x10000, 4, }, - { "M25P40", 0x12, 0x10000, 8, }, - -@@ -27,7 +48,7 @@ static struct ssb_sflash_tbl_e ssb_sflas - { 0 }, - }; - --static struct ssb_sflash_tbl_e ssb_sflash_sst_tbl[] = { -+static const struct ssb_sflash_tbl_e ssb_sflash_sst_tbl[] = { - { "SST25WF512", 1, 0x1000, 16, }, - { "SST25VF512", 0x48, 0x1000, 16, }, - { "SST25WF010", 2, 0x1000, 32, }, -@@ -45,7 +66,7 @@ static struct ssb_sflash_tbl_e ssb_sflas - { 0 }, + struct platform_device ssb_sflash_dev = { +- .name = "ssb_sflash", ++ .name = "bcm47xx-sflash", + .resource = &ssb_sflash_resource, + .num_resources = 1, }; - --static struct ssb_sflash_tbl_e ssb_sflash_at_tbl[] = { -+static const struct ssb_sflash_tbl_e ssb_sflash_at_tbl[] = { - { "AT45DB011", 0xc, 256, 512, }, - { "AT45DB021", 0x14, 256, 1024, }, - { "AT45DB041", 0x1c, 256, 2048, }, -@@ -70,10 +91,186 @@ static void ssb_sflash_cmd(struct ssb_ch +@@ -83,10 +91,185 @@ static void ssb_sflash_cmd(struct ssb_ch pr_err("SFLASH control command failed (timeout)!\n"); } @@ -256,25 +225,18 @@ /* Initialize serial flash access */ int ssb_sflash_init(struct ssb_chipcommon *cc) { -- struct ssb_sflash_tbl_e *e; +- struct ssb_sflash *sflash = &cc->dev->bus->mipscore.sflash; + struct bcm47xxsflash *sflash = &cc->sflash; -+ const struct ssb_sflash_tbl_e *e; + const struct ssb_sflash_tbl_e *e; u32 id, id2; - switch (cc->capabilities & SSB_CHIPCO_CAP_FLASHT) { -@@ -131,10 +328,26 @@ int ssb_sflash_init(struct ssb_chipcommo - return -ENOTSUPP; - } - +@@ -150,17 +333,21 @@ int ssb_sflash_init(struct ssb_chipcommo + sflash->numblocks = e->numblocks; + sflash->size = sflash->blocksize * sflash->numblocks; + sflash->present = true; +- - pr_info("Found %s serial flash (blocksize: 0x%X, blocks: %d)\n", - e->name, e->blocksize, e->numblocks); -- -- pr_err("Serial flash support is not implemented yet!\n"); -+ sflash->window = SSB_FLASH2; -+ sflash->blocksize = e->blocksize; -+ sflash->numblocks = e->numblocks; -+ sflash->size = sflash->blocksize * sflash->numblocks; -+ sflash->present = true; + sflash->poll = ssb_sflash_poll; + sflash->write = ssb_sflash_write; + sflash->erase = ssb_sflash_erase; @@ -284,13 +246,16 @@ + pr_info("Found %s serial flash (size: %dKiB, blocksize: 0x%X, blocks: %d)\n", + e->name, sflash->size / 1024, sflash->blocksize, + sflash->numblocks); -+ -+ /* Prepare platform device, but don't register it yet. It's too early, -+ * malloc (required by device_private_init) is not available yet. */ -+ ssb_sflash_dev.resource[0].end = ssb_sflash_dev.resource[0].start + + + /* Prepare platform device, but don't register it yet. It's too early, + * malloc (required by device_private_init) is not available yet. */ + ssb_sflash_dev.resource[0].end = ssb_sflash_dev.resource[0].start + +- sflash->size; + sflash->size; -+ ssb_sflash_dev.dev.platform_data = sflash; + ssb_sflash_dev.dev.platform_data = sflash; +- pr_err("Serial flash support is not implemented yet!\n"); +- - return -ENOTSUPP; + return 0; } |