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-rw-r--r--board/freescale/mpc8349emds/ddr.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/board/freescale/mpc8349emds/ddr.c b/board/freescale/mpc8349emds/ddr.c
deleted file mode 100644
index ac5ddc6..0000000
--- a/board/freescale/mpc8349emds/ddr.c
+++ /dev/null
@@ -1,100 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2011 Freescale Semiconductor, Inc.
- */
-
-#include <common.h>
-
-#include <fsl_ddr_sdram.h>
-#include <fsl_ddr_dimm_params.h>
-
-struct board_specific_parameters {
- u32 n_ranks;
- u32 datarate_mhz_high;
- u32 clk_adjust;
- u32 cpo;
- u32 write_data_delay;
- u32 force_2t;
-};
-
-/*
- * This table contains all valid speeds we want to override with board
- * specific parameters. datarate_mhz_high values need to be in ascending order
- * for each n_ranks group.
- */
-static const struct board_specific_parameters udimm0[] = {
- /*
- * memory controller 0
- * num| hi| clk| cpo|wrdata|2T
- * ranks| mhz|adjst| | delay|
- */
- {2, 300, 4, 4, 2, 0},
- {2, 365, 4, 6, 2, 0},
- {2, 450, 4, 7, 2, 0},
- {2, 850, 4, 31, 2, 0},
- {1, 300, 4, 4, 2, 0},
- {1, 365, 4, 6, 2, 0},
- {1, 450, 4, 7, 2, 0},
- {1, 850, 4, 31, 2, 0},
- {}
-};
-
-void fsl_ddr_board_options(memctl_options_t *popts,
- dimm_params_t *pdimm,
- unsigned int ctrl_num)
-{
- const struct board_specific_parameters *pbsp, *pbsp_highest = NULL;
- unsigned int i;
- ulong ddr_freq;
-
- if (ctrl_num != 0) /* we have only one controller */
- return;
- for (i = 0; i < CONFIG_DIMM_SLOTS_PER_CTLR; i++) {
- if (pdimm[i].n_ranks)
- break;
- }
- if (i >= CONFIG_DIMM_SLOTS_PER_CTLR) /* no DIMM */
- return;
-
- pbsp = udimm0;
-
- /* Get clk_adjust, cpo, write_data_delay,2T, according to the board ddr
- * freqency and n_banks specified in board_specific_parameters table.
- */
- ddr_freq = get_ddr_freq(0) / 1000000;
- while (pbsp->datarate_mhz_high) {
- if (pbsp->n_ranks == pdimm[i].n_ranks) {
- if (ddr_freq <= pbsp->datarate_mhz_high) {
- popts->clk_adjust = pbsp->clk_adjust;
- popts->cpo_override = pbsp->cpo;
- popts->write_data_delay =
- pbsp->write_data_delay;
- popts->twot_en = pbsp->force_2t;
- goto found;
- }
- pbsp_highest = pbsp;
- }
- pbsp++;
- }
-
- if (pbsp_highest) {
- printf("Error: board specific timing not found "
- "for data rate %lu MT/s!\n"
- "Trying to use the highest speed (%u) parameters\n",
- ddr_freq, pbsp_highest->datarate_mhz_high);
- popts->clk_adjust = pbsp_highest->clk_adjust;
- popts->cpo_override = pbsp_highest->cpo;
- popts->write_data_delay = pbsp_highest->write_data_delay;
- popts->twot_en = pbsp_highest->force_2t;
- } else {
- panic("DIMM is not supported by this board");
- }
-
-found:
- /*
- * Factors to consider for half-strength driver enable:
- * - number of DIMMs installed
- */
- popts->half_strength_driver_enable = 0;
- popts->dqs_config = 0; /* only true DQS signal is used on board */
-}