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powerpc/eeprom: update MAX_NUM_PORTS to adapt non-256-bytes EEPROM

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Some boards use System EEPROM with 128-bytes instead of 256-bytes.
Since we regard 256-bytes EEPROM as standard EEPROM with default
value for MAX_NUM_PORTS. For those non-256-bytes EEPROM, we can
redefine MAX_NUM_PORTS in board-specific file to override the
default MAX_NUM_PORTS.

This patch doesn't impact on previous existing boards.

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
This commit is contained in:
Shengzhou Liu 2013-09-13 14:46:01 +08:00 committed by York Sun
parent 41c686d975
commit 5536aeb09b
1 changed files with 4 additions and 0 deletions
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4
board/freescale/common/sys_eeprom.c
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@ -18,7 +18,11 @@
#endif
#ifdef CONFIG_SYS_I2C_EEPROM_NXID
/* some boards with non-256-bytes EEPROM have special define */
/* for MAX_NUM_PORTS in board-specific file */
#ifndef MAX_NUM_PORTS
#define MAX_NUM_PORTS 23
#endif
#define NXID_VERSION 1
#endif