1 files changed, 30 insertions, 4 deletions

diff --git a/drivers/ssb/driver_chipcommon_sflash.c b/drivers/ssb/driver_chipcommon_sflash.c
index 720665ca2bb1..e84cf04f4416 100644
--- a/drivers/ssb/driver_chipcommon_sflash.c
+++ b/drivers/ssb/driver_chipcommon_sflash.c
@@ -9,6 +9,19 @@
 
 #include "ssb_private.h"
 
+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           = "ssb_sflash",
+        .resource       = &ssb_sflash_resource,
+        .num_resources  = 1,
+};
+
 struct ssb_sflash_tbl_e {
         char *name;
         u32 id;
@@ -16,7 +29,7 @@ struct ssb_sflash_tbl_e {
         u16 numblocks;
 };
 
-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 +40,7 @@ static struct ssb_sflash_tbl_e ssb_sflash_st_tbl[] = {
         { 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 +58,7 @@ static struct ssb_sflash_tbl_e ssb_sflash_sst_tbl[] = {
         { 0 },
 };
 
-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, },
@@ -73,7 +86,8 @@ static void ssb_sflash_cmd(struct ssb_chipcommon *cc, u32 opcode)
 /* 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;
+        const struct ssb_sflash_tbl_e *e;
         u32 id, id2;
 
         switch (cc->capabilities & SSB_CHIPCO_CAP_FLASHT) {
@@ -131,9 +145,21 @@ int ssb_sflash_init(struct ssb_chipcommon *cc)
                 return -ENOTSUPP;
         }
 
+        sflash->window = SSB_FLASH2;
+        sflash->blocksize = e->blocksize;
+        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);
 
+        /* 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;
+        ssb_sflash_dev.dev.platform_data = sflash;
+
         pr_err("Serial flash support is not implemented yet!\n");
 
         return -ENOTSUPP;