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armv8/ls2085ardb: Fix SPD address error on early boards

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Board rev C and earlier has duplicated SPD address on 2nd DDR
controller slots. It is fixed on rev D and later. SPD addresses
need to be updated accordingly.

Signed-off-by: York Sun <yorksun at freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
This commit is contained in:
York Sun 2015-05-28 14:54:09 +05:30 committed by York Sun
parent b92557cd3f
commit fc7b3855e1
2 changed files with 21 additions and 2 deletions
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19
board/freescale/ls2085ardb/ls2085ardb.c
View file

@ -273,3 +273,22 @@ void qixis_dump_switch(void)
printf("SW%d = (0x%02x)\n", i, QIXIS_READ(cms[1]));
}
}
/*
* Board rev C and earlier has duplicated I2C addresses for 2nd controller.
* Both slots has 0x54, resulting 2nd slot unusable.
*/
void update_spd_address(unsigned int ctrl_num,
unsigned int slot,
unsigned int *addr)
{
u8 sw;
sw = QIXIS_READ(arch);
if ((sw & 0xf) < 0x3) {
if (ctrl_num == 1 && slot == 0)
*addr = SPD_EEPROM_ADDRESS4;
else if (ctrl_num == 1 && slot == 1)
*addr = SPD_EEPROM_ADDRESS3;
}
}

4
include/configs/ls2085ardb.h
View file

@ -28,8 +28,8 @@ unsigned long get_board_sys_clk(void);
#define CONFIG_MEM_INIT_VALUE 0xdeadbeef
#define SPD_EEPROM_ADDRESS1 0x51
#define SPD_EEPROM_ADDRESS2 0x52
#define SPD_EEPROM_ADDRESS3 0x54
#define SPD_EEPROM_ADDRESS4 0x53 /* Board error */
#define SPD_EEPROM_ADDRESS3 0x53
#define SPD_EEPROM_ADDRESS4 0x54
#define SPD_EEPROM_ADDRESS5 0x55
#define SPD_EEPROM_ADDRESS6 0x56 /* dummy address */
#define SPD_EEPROM_ADDRESS SPD_EEPROM_ADDRESS1