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mpc83xx: Update DIMM data bus width test to support 40-bit width

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32-bit wide ECC memory modules report 40-bit width.
Changed the DIMM data bus width test to 'less than 64' instead of 'equal 32'.

Signed-off-by: Lee Nipper <lee.nipper@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
This commit is contained in:
Lee Nipper 2008-04-10 09:35:06 -05:00 committed by Kim Phillips
parent 5fb5a689d8
commit 3f9c542d3d
1 changed files with 2 additions and 2 deletions
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4
cpu/mpc83xx/spd_sdram.c
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@ -601,7 +601,7 @@ long int spd_sdram()
debug("DDR:timing_cfg_2=0x%08x\n", ddr->timing_cfg_2);
/* Check DIMM data bus width */
if (spd.dataw_lsb == 0x20) {
if (spd.dataw_lsb < 64) {
if (spd.mem_type == SPD_MEMTYPE_DDR)
burstlen = 0x03; /* 32 bit data bus, burst len is 8 */
else
@ -763,7 +763,7 @@ long int spd_sdram()
sdram_cfg |= SDRAM_CFG_RD_EN;
/* The DIMM is 32bit width */
if (spd.dataw_lsb == 0x20) {
if (spd.dataw_lsb < 64) {
if (spd.mem_type == SPD_MEMTYPE_DDR)
sdram_cfg |= SDRAM_CFG_32_BE | SDRAM_CFG_8_BE;
if (spd.mem_type == SPD_MEMTYPE_DDR2)