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 <jjhib...@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;
}
--
1.9.1
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