diff options
| author | Kumar Gala <galak@kernel.crashing.org> | 2011-10-18 01:31:08 -0500 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2011-10-18 01:31:08 -0500 |
| commit | 3b001ad26d6e03ebe2510ec8506a8425392adcf8 (patch) | |
| tree | e786901bdb54047d628572bb881f8a6a6fdc0d3e /board/freescale/p2020ds/ddr.c | |
| parent | f81f19fafaa8e88649e252a6d84096c83e682853 (diff) | |
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 712cf7ab0b58e51a69e339397457d3591b6b650e
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>
Diffstat (limited to 'board/freescale/p2020ds/ddr.c')
| -rw-r--r-- | board/freescale/p2020ds/ddr.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/board/freescale/p2020ds/ddr.c b/board/freescale/p2020ds/ddr.c index c43f874c92..59034f9f89 100644 --- a/board/freescale/p2020ds/ddr.c +++ b/board/freescale/p2020ds/ddr.c @@ -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 |