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cxgb4: Add warning msg when attaching to adapters which have FLASHes smaller than 2Mb

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Based on original work by Casey Leedom <leedom@chelsio.com>

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 17:44:30 +05:30 • committed by David S. Miller
parent c0d5b8cf50
commit c290607e3e
2 changed files with 10 additions and 0 deletions
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4
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
View file

@ -3897,6 +3897,10 @@ static int get_flash_params(struct adapter *adap)
adap->params.sf_size = 1 << info; adap->params.sf_size = 1 << info;
adap->params.sf_fw_start = adap->params.sf_fw_start =
t4_read_reg(adap, CIM_BOOT_CFG) & BOOTADDR_MASK; t4_read_reg(adap, CIM_BOOT_CFG) & BOOTADDR_MASK;
if (adap->params.sf_size < FLASH_MIN_SIZE)
dev_warn(adap->pdev_dev, "WARNING!!! FLASH size %#x < %#x!!!\n",
adap->params.sf_size, FLASH_MIN_SIZE);
return 0; return 0;
} }

6
drivers/net/ethernet/chelsio/cxgb4/t4_hw.h
View file

@ -206,6 +206,12 @@ enum {
FLASH_CFG_START = FLASH_START(FLASH_CFG_START_SEC), FLASH_CFG_START = FLASH_START(FLASH_CFG_START_SEC),
FLASH_CFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CFG_NSECS), FLASH_CFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CFG_NSECS),
/* We don't support FLASH devices which can't support the full
* standard set of sections which we need for normal
* operations.
*/
FLASH_MIN_SIZE = FLASH_CFG_START + FLASH_CFG_MAX_SIZE,
FLASH_FPGA_CFG_START_SEC = 15, FLASH_FPGA_CFG_START_SEC = 15,
FLASH_FPGA_CFG_START = FLASH_START(FLASH_FPGA_CFG_START_SEC), FLASH_FPGA_CFG_START = FLASH_START(FLASH_FPGA_CFG_START_SEC),