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| author | Jean-Jacques Hiblot <jjhiblot@ti.com> | 2016-12-01 10:37:03 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-12-05 11:04:40 -0500 |
| commit | a3a23c97b624fd580a9c5cda3f902af1fc17c801 (patch) | |
| tree | eed660aaab1fda357340ace59e8ba638fe5c2327 /board | |
| parent | 1a92541d9c5341c6cdf6f713b056c30c1e06a325 (diff) | |
| download | u-boot-imx-a3a23c97b624fd580a9c5cda3f902af1fc17c801.zip u-boot-imx-a3a23c97b624fd580a9c5cda3f902af1fc17c801.tar.gz u-boot-imx-a3a23c97b624fd580a9c5cda3f902af1fc17c801.tar.bz2 | |
ARM: DRA7: AMxx: Make sure that the SPL always reads the configuration EEPROM
The bootrom may corrupt the area of SRAM used to store the ti_common_eeprom
structure. This patch makes sure that it's always read after a reset, even
if a valid MAGIC number is found in the SRAM.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/ti/common/board_detect.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/board/ti/common/board_detect.c b/board/ti/common/board_detect.c index 6e7ca91..a5dba94 100644 --- a/board/ti/common/board_detect.c +++ b/board/ti/common/board_detect.c @@ -123,8 +123,10 @@ int __maybe_unused ti_i2c_eeprom_am_get(int bus_addr, int dev_addr) struct ti_common_eeprom *ep; ep = TI_EEPROM_DATA; +#ifndef CONFIG_SPL_BUILD if (ep->header == TI_EEPROM_HEADER_MAGIC) - goto already_read; + return 0; /* EEPROM has already been read */ +#endif /* Initialize with a known bad marker for i2c fails.. */ ep->header = TI_DEAD_EEPROM_MAGIC; @@ -157,7 +159,6 @@ int __maybe_unused ti_i2c_eeprom_am_get(int bus_addr, int dev_addr) memcpy(ep->mac_addr, am_ep.mac_addr, TI_EEPROM_HDR_NO_OF_MAC_ADDR * TI_EEPROM_HDR_ETH_ALEN); -already_read: return 0; } @@ -168,8 +169,10 @@ int __maybe_unused ti_i2c_eeprom_dra7_get(int bus_addr, int dev_addr) struct ti_common_eeprom *ep; ep = TI_EEPROM_DATA; +#ifndef CONFIG_SPL_BUILD if (ep->header == DRA7_EEPROM_HEADER_MAGIC) - goto already_read; + return 0; /* EEPROM has already been read */ +#endif /* Initialize with a known bad marker for i2c fails.. */ ep->header = TI_DEAD_EEPROM_MAGIC; @@ -202,7 +205,6 @@ int __maybe_unused ti_i2c_eeprom_dra7_get(int bus_addr, int dev_addr) strlcpy(ep->config, dra7_ep.config, TI_EEPROM_HDR_CONFIG_LEN + 1); ti_eeprom_string_cleanup(ep->config); -already_read: return 0; } |