[PATCH net-next] cxgb4: support new ISSI flash parts
From: Ganesh Goudar <hidden>
Date: 2018-03-23 11:35:58
Add support for new 32MB and 64MB ISSI (Integrated Silicon Solution, Inc.) FLASH parts. Signed-off-by: Casey Leedom <redacted> Signed-off-by: Ganesh Goudar <redacted> --- drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index b862477..7cb3ef4 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c@@ -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.
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2.1.0