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powerpc/85xx: Fix P2020DS booting 

The following commit removed the code that set odt_rd_cfg and
odt_wr_cfg.  With out this code P2020DS board will not boot:

commit 712cf7ab0b
Author: York Sun <yorksun@freescale.com>
Date:   Mon Oct 3 09:19:53 2011 -0700

    powerpc/mpc8xxx: Merge entries in DDR speed table

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala 2011-10-18 01:31:08 -05:00
parent f81f19fafa
commit 3b001ad26d
1 changed files with 12 additions and 0 deletions
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12
board/freescale/p2020ds/ddr.c
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@ -57,6 +57,7 @@ void fsl_ddr_board_options(memctl_options_t *popts,
{
const struct board_specific_parameters *pbsp, *pbsp_highest = NULL;
ulong ddr_freq;
int i;
if (ctrl_num) {
printf("Wrong parameter for controller number %d", ctrl_num);
@ -65,6 +66,17 @@ void fsl_ddr_board_options(memctl_options_t *popts,
if (!pdimm->n_ranks)
return;
/*
* set odt_rd_cfg and odt_wr_cfg. If the there is only one dimm in
* that controller, set odt_wr_cfg to 4 for CS0, and 0 to CS1. If
* there are two dimms in the controller, set odt_rd_cfg to 3 and
* odt_wr_cfg to 3 for the even CS, 0 for the odd CS.
*/
for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
popts->cs_local_opts[i].odt_rd_cfg = 0;
popts->cs_local_opts[i].odt_wr_cfg = 1;
}
pbsp = dimm0;
/* Get clk_adjust, cpo, write_data_delay,2T, according to the board ddr