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cxgb4: support new ISSI flash parts 

Add support for new 32MB and 64MB ISSI (Integrated Silicon
Solution, Inc.) FLASH parts.

Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ganesh Goudar 2018-03-23 17:05:49 +05:30 committed by David S. Miller
parent b46f7da1f3
commit 0f1417f9f0
1 changed files with 19 additions and 0 deletions
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19
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
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@ -8604,6 +8604,25 @@ static int t4_get_flash_params(struct adapter *adap)
}
break;
}
case 0x9d: { /* ISSI -- Integrated Silicon Solution, Inc. */
/* This Density -> Size decoding table is taken from ISSI
* Data Sheets.
*/
density = (flashid >> 16) & 0xff;
switch (density) {
case 0x16: /* 32 MB */
size = 1 << 25;
break;
case 0x17: /* 64MB */
size = 1 << 26;
break;
default:
dev_err(adap->pdev_dev, "ISSI Flash Part has bad size, ID = %#x, Density code = %#x\n",
flashid, density);
return -EINVAL;
}
break;
}
case 0xc2: { /* Macronix */
/* This Density -> Size decoding table is taken from Macronix
* Data Sheets.