diff options
Diffstat (limited to 'board/freescale/mpc8544ds/ddr.c')
-rw-r--r-- | board/freescale/mpc8544ds/ddr.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/board/freescale/mpc8544ds/ddr.c b/board/freescale/mpc8544ds/ddr.c deleted file mode 100644 index c4d985347b3..00000000000 --- a/board/freescale/mpc8544ds/ddr.c +++ /dev/null @@ -1,56 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright 2008 Freescale Semiconductor, Inc. - */ - -#include <common.h> - -#include <fsl_ddr_sdram.h> -#include <fsl_ddr_dimm_params.h> - -void fsl_ddr_board_options(memctl_options_t *popts, - dimm_params_t *pdimm, - unsigned int ctrl_num) -{ - /* - * Factors to consider for clock adjust: - * - number of chips on bus - * - position of slot - * - DDR1 vs. DDR2? - * - ??? - * - * This needs to be determined on a board-by-board basis. - * 0110 3/4 cycle late - * 0111 7/8 cycle late - */ - popts->clk_adjust = 7; - - /* - * Factors to consider for CPO: - * - frequency - * - ddr1 vs. ddr2 - */ - popts->cpo_override = 10; - - /* - * Factors to consider for write data delay: - * - number of DIMMs - * - * 1 = 1/4 clock delay - * 2 = 1/2 clock delay - * 3 = 3/4 clock delay - * 4 = 1 clock delay - * 5 = 5/4 clock delay - * 6 = 3/2 clock delay - */ - popts->write_data_delay = 3; - - /* 2T timing enable */ - popts->twot_en = 1; - - /* - * Factors to consider for half-strength driver enable: - * - number of DIMMs installed - */ - popts->half_strength_driver_enable = 0; -} |