ssb: add struct for serial flash

This data allow writing for example MTD driver.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 22 insertions, 0 deletions

diff --git a/drivers/ssb/driver_chipcommon_sflash.c b/drivers/ssb/driver_chipcommon_sflash.c
index 1b9e770f5328..205f1c499c46 100644
--- a/drivers/ssb/driver_chipcommon_sflash.c
+++ b/drivers/ssb/driver_chipcommon_sflash.c
@@ -73,6 +73,7 @@ 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 *sflash = &cc->dev->bus->mipscore.sflash;
         const struct ssb_sflash_tbl_e *e;
         u32 id, id2;
 
@@ -131,6 +132,12 @@ 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);
 
diff --git a/include/linux/ssb/ssb_driver_mips.h b/include/linux/ssb/ssb_driver_mips.h
index afe79d40a99e..6535e4718fde 100644
--- a/include/linux/ssb/ssb_driver_mips.h
+++ b/include/linux/ssb/ssb_driver_mips.h
@@ -20,6 +20,18 @@ struct ssb_pflash {
         u32 window_size;
 };
 
+#ifdef CONFIG_SSB_SFLASH
+struct ssb_sflash {
+        bool present;
+        u32 window;
+        u32 blocksize;
+        u16 numblocks;
+        u32 size;
+
+        void *priv;
+};
+#endif
+
 struct ssb_mipscore {
         struct ssb_device *dev;
 
@@ -27,6 +39,9 @@ struct ssb_mipscore {
         struct ssb_serial_port serial_ports[4];
 
         struct ssb_pflash pflash;
+#ifdef CONFIG_SSB_SFLASH
+        struct ssb_sflash sflash;
+#endif
 };
 
 extern void ssb_mipscore_init(struct ssb_mipscore *mcore);