Re: [U-Boot-Users] [PATCH] mpc83xx: Correct the burst length for DDR2 with 32 bits

Sorry for that, the patch only fix bottom half. I will resend the new patch.

Thanks, Dave

On Wed, 2007-08-01 at 14:01 +0800, Dave Liu wrote:

The burst length should be 4 for DDR2 with 32 bits bus

Signed-off-by: Dave Liudaveliu@freescale.com

cpu/mpc83xx/spd_sdram.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/cpu/mpc83xx/spd_sdram.c b/cpu/mpc83xx/spd_sdram.c index 647813f..5e89add 100644 --- a/cpu/mpc83xx/spd_sdram.c +++ b/cpu/mpc83xx/spd_sdram.c @@ -730,8 +730,12 @@ long int spd_sdram() sdram_cfg |= 0x10000000;

/* The DIMM is 32bit width */

• if (spd.dataw_lsb == 0x20)

• sdram_cfg |= 0x000C0000;
  

• if (spd.dataw_lsb == 0x20) {

• if (spd.mem_type == SPD_MEMTYPE_DDR)
  

• 	sdram_cfg |= 0x000C0000;
  

• if (spd.mem_type == SPD_MEMTYPE_DDR2)
  

• 	sdram_cfg |= 0x00080000;
  

• }

  ddrc_ecc_enable = 0;