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 --- board/ti/common/board_detect.c | 10 ++++++---- 1 file 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; }