From: Jaiprakash Singh <b44839 at freescale.com>
Date: Thu, 28 May 2015 09:24:03 +0000 (+0530)
Subject: board/fsl/common: Fix eeprom system version endianness
X-Git-Tag: v2015.10-rc1~183^2~42
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=b8baf460ee978f9f704a658b31f9b074f546d6e1;p=u-boot

board/fsl/common: Fix eeprom system version endianness

SYSTEM ID EPPROM always store SYSTEM version info in big endian format.
SoC with ARM or PowerPC core should read/write version info from eeprom
in BIG endian format.

So use cpu-specific APIs to read SYSTEM version.

Signed-off-by: Jaiprakash Singh <b44839 at freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
---

diff --git a/board/freescale/common/sys_eeprom.c b/board/freescale/common/sys_eeprom.c
index 5cb7570c8b..29aa778dbe 100644
--- a/board/freescale/common/sys_eeprom.c
+++ b/board/freescale/common/sys_eeprom.c
@@ -90,7 +90,7 @@ static void show_eeprom(void)
 	/* EEPROM tag ID, either CCID or NXID */
 #ifdef CONFIG_SYS_I2C_EEPROM_NXID
 	printf("ID: %c%c%c%c v%u\n", e.id[0], e.id[1], e.id[2], e.id[3],
-	       e.version);
+	       be32_to_cpu(e.version));
 #else
 	printf("ID: %c%c%c%c\n", e.id[0], e.id[1], e.id[2], e.id[3]);
 #endif
@@ -340,7 +340,7 @@ int do_mac(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	if (cmd == 'i') {
 #ifdef CONFIG_SYS_I2C_EEPROM_NXID
 		memcpy(e.id, "NXID", sizeof(e.id));
-		e.version = NXID_VERSION;
+		e.version = cpu_to_be32(NXID_VERSION);
 #else
 		memcpy(e.id, "CCID", sizeof(e.id));
 #endif
@@ -485,7 +485,7 @@ int mac_read_from_eeprom(void)
 
 #ifdef CONFIG_SYS_I2C_EEPROM_NXID
 	printf("%c%c%c%c v%u\n", e.id[0], e.id[1], e.id[2], e.id[3],
-	       e.version);
+	       be32_to_cpu(e.version));
 #else
 	printf("%c%c%c%c\n", e.id[0], e.id[1], e.id[2], e.id[3]);
 #endif
@@ -496,7 +496,7 @@ int mac_read_from_eeprom(void)
 	 * that at boot time, U-Boot will still say "NXID v0".
 	 */
 	if (e.version == 0) {
-		e.version = NXID_VERSION;
+		e.version = cpu_to_be32(NXID_VERSION);
 		update_crc();
 	}
 #endif