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Diffstat (limited to 'board/freescale/p2020come/ddr.c')
-rw-r--r-- | board/freescale/p2020come/ddr.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/board/freescale/p2020come/ddr.c b/board/freescale/p2020come/ddr.c new file mode 100644 index 00000000000..85f84c6b1e0 --- /dev/null +++ b/board/freescale/p2020come/ddr.c @@ -0,0 +1,45 @@ +/* + * Copyright 2009, 2011 Freescale Semiconductor, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#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) +{ + if (ctrl_num) { + printf("Wrong parameter for controller number %d", ctrl_num); + return; + } + + if (!pdimm->n_ranks) + return; + + /* + * Set DDR_SDRAM_CLK_CNTL = 0x02800000 + * + * Clock is launched 5/8 applied cycle after address/command + */ + popts->clk_adjust = 5; +} |