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ssb: add struct for serial flash

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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>
This commit is contained in:
Rafał Miłecki 2013-06-17 19:56:20 +02:00 committed by John W. Linville
parent 4a71053ec5
commit e570bd0472
2 changed files with 22 additions and 0 deletions
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7
drivers/ssb/driver_chipcommon_sflash.c
View file

@ -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);

15
include/linux/ssb/ssb_driver_mips.h
View file

@ -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);