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cxgb4: Add support to S25FL032P flash

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Add support for Spansion S25FL032P flash
Based on original work by Dimitris Michailidis

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hariprasad Shenai 2014-09-10 17:44:28 +05:30 committed by David S. Miller
parent 60d42bf6b0
commit fe2ee139aa
1 changed files with 20 additions and 0 deletions
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20
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
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@ -3850,8 +3850,20 @@ int t4_wait_dev_ready(struct adapter *adap)
return t4_read_reg(adap, PL_WHOAMI) != 0xffffffff ? 0 : -EIO;
}
struct flash_desc {
u32 vendor_and_model_id;
u32 size_mb;
};
static int get_flash_params(struct adapter *adap)
{
/* Table for non-Numonix supported flash parts. Numonix parts are left
* to the preexisting code. All flash parts have 64KB sectors.
*/
static struct flash_desc supported_flash[] = {
{ 0x150201, 4 << 20 }, /* Spansion 4MB S25FL032P */
};
int ret;
u32 info;
@ -3862,6 +3874,14 @@ static int get_flash_params(struct adapter *adap)
if (ret)
return ret;
for (ret = 0; ret < ARRAY_SIZE(supported_flash); ++ret)
if (supported_flash[ret].vendor_and_model_id == info) {
adap->params.sf_size = supported_flash[ret].size_mb;
adap->params.sf_nsec =
adap->params.sf_size / SF_SEC_SIZE;
return 0;
}
if ((info & 0xff) != 0x20) /* not a Numonix flash */
return -EINVAL;
info >>= 16; /* log2 of size */