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| author | Wolfgang Denk <wd@denx.de> | 2011-12-10 22:44:01 +0100 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-12-10 22:44:01 +0100 |
| commit | a612ae37595b2b4af71c992d38a3bc17c1c866e2 (patch) | |
| tree | 40e5f376d2d0d549df4198c8c56a03ed21459e40 /board/exmeritus/hww1u1a/ddr.c | |
| parent | 295d3942b806552503243f5cfb36aec6f1b5a9bf (diff) | |
| parent | f8bbb4dad0e9d91b7a51d6cc54dcf66d142f50fe (diff) | |
| download | u-boot-imx-a612ae37595b2b4af71c992d38a3bc17c1c866e2.zip u-boot-imx-a612ae37595b2b4af71c992d38a3bc17c1c866e2.tar.gz u-boot-imx-a612ae37595b2b4af71c992d38a3bc17c1c866e2.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx
* 'master' of git://git.denx.de/u-boot-mpc85xx:
mpc85xx: Add board support for the eXMeritus HWW-1U-1A devices
Diffstat (limited to 'board/exmeritus/hww1u1a/ddr.c')
| -rw-r--r-- | board/exmeritus/hww1u1a/ddr.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/board/exmeritus/hww1u1a/ddr.c b/board/exmeritus/hww1u1a/ddr.c new file mode 100644 index 0000000..36d02ad --- /dev/null +++ b/board/exmeritus/hww1u1a/ddr.c @@ -0,0 +1,34 @@ +/* + * Copyright 2009-2010 eXMeritus, A Boeing Company + * Copyright 2008-2009 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * Version 2 as published by the Free Software Foundation. + */ + +#include <common.h> + +#include <asm/fsl_ddr_sdram.h> +#include <asm/fsl_ddr_dimm_params.h> + +void fsl_ddr_board_options(memctl_options_t *popts, + dimm_params_t *pdimm, + unsigned int ctrl_num) +{ + /* + * We only support one DIMM, so according to the P2020 docs we should + * set the options as follows: + */ + popts->cs_local_opts[0].odt_rd_cfg = 0; + popts->cs_local_opts[0].odt_wr_cfg = 4; + popts->cs_local_opts[1].odt_rd_cfg = 0; + popts->cs_local_opts[1].odt_wr_cfg = 0; + popts->half_strength_driver_enable = 0; + + /* Manually configured for our static clock rate */ + popts->clk_adjust = 4; + popts->cpo_override = 4; + popts->write_data_delay = 2; + popts->twoT_en = 0; +} |