From 8b0044ff5942943eaa49935f49d5006b346a60f8 Mon Sep 17 00:00:00 2001 From: Oleksandr G Zhadan Date: Wed, 29 Apr 2015 16:57:39 -0400 Subject: powerpc/mpc85xx: Add board support for ucp1020 New QorIQ p1020 based board support from Arcturus Networks Inc. http://www.arcturusnetworks.com/products/ucp1020/ Signed-off-by: Michael Durrant Signed-off-by: Oleksandr G Zhadan [York Sun: remove patman tags from commit message] Reviewed-by: York Sun --- board/Arcturus/ucp1020/ddr.c | 161 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 161 insertions(+) create mode 100644 board/Arcturus/ucp1020/ddr.c (limited to 'board/Arcturus/ucp1020/ddr.c') diff --git a/board/Arcturus/ucp1020/ddr.c b/board/Arcturus/ucp1020/ddr.c new file mode 100644 index 0000000000..42fbae058d --- /dev/null +++ b/board/Arcturus/ucp1020/ddr.c @@ -0,0 +1,161 @@ +/* + * Copyright 2013-2015 Arcturus Networks, Inc. + * http://www.arcturusnetworks.com/products/ucp1020/ + * based on board/freescale/p1_p2_rdb_pc/spl.c + * original copyright follows: + * Copyright 2013 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef CONFIG_SYS_DDR_RAW_TIMING +#if defined(CONFIG_UCP1020) || defined(CONFIG_UCP1020T1) +/* + * Micron MT41J128M16HA-15E + * */ +dimm_params_t ddr_raw_timing = { + .n_ranks = 1, + .rank_density = 536870912u, + .capacity = 536870912u, + .primary_sdram_width = 32, + .ec_sdram_width = 8, + .registered_dimm = 0, + .mirrored_dimm = 0, + .n_row_addr = 14, + .n_col_addr = 10, + .n_banks_per_sdram_device = 8, + .edc_config = 2, + .burst_lengths_bitmask = 0x0c, + + .tckmin_x_ps = 1650, + .caslat_x = 0x7e << 4, /* 5,6,7,8,9,10 */ + .taa_ps = 14050, + .twr_ps = 15000, + .trcd_ps = 13500, + .trrd_ps = 75000, + .trp_ps = 13500, + .tras_ps = 40000, + .trc_ps = 49500, + .trfc_ps = 160000, + .twtr_ps = 75000, + .trtp_ps = 75000, + .refresh_rate_ps = 7800000, + .tfaw_ps = 30000, +}; + +#else +#error Missing raw timing data for this board +#endif + +int fsl_ddr_get_dimm_params(dimm_params_t *pdimm, + unsigned int controller_number, + unsigned int dimm_number) +{ + const char dimm_model[] = "Fixed DDR on board"; + + if ((controller_number == 0) && (dimm_number == 0)) { + memcpy(pdimm, &ddr_raw_timing, sizeof(dimm_params_t)); + memset(pdimm->mpart, 0, sizeof(pdimm->mpart)); + memcpy(pdimm->mpart, dimm_model, sizeof(dimm_model) - 1); + } + + return 0; +} +#endif /* CONFIG_SYS_DDR_RAW_TIMING */ + +#ifdef CONFIG_SYS_DDR_CS0_BNDS +/* Fixed sdram init -- doesn't use serial presence detect. */ +phys_size_t fixed_sdram(void) +{ + sys_info_t sysinfo; + char buf[32]; + size_t ddr_size; + fsl_ddr_cfg_regs_t ddr_cfg_regs = { + .cs[0].bnds = CONFIG_SYS_DDR_CS0_BNDS, + .cs[0].config = CONFIG_SYS_DDR_CS0_CONFIG, + .cs[0].config_2 = CONFIG_SYS_DDR_CS0_CONFIG_2, +#if CONFIG_CHIP_SELECTS_PER_CTRL > 1 + .cs[1].bnds = CONFIG_SYS_DDR_CS1_BNDS, + .cs[1].config = CONFIG_SYS_DDR_CS1_CONFIG, + .cs[1].config_2 = CONFIG_SYS_DDR_CS1_CONFIG_2, +#endif + .timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3, + .timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0, + .timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1, + .timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2, + .ddr_sdram_cfg = CONFIG_SYS_DDR_CONTROL, + .ddr_sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL_2, + .ddr_sdram_mode = CONFIG_SYS_DDR_MODE_1, + .ddr_sdram_mode_2 = CONFIG_SYS_DDR_MODE_2, + .ddr_sdram_md_cntl = CONFIG_SYS_DDR_MODE_CONTROL, + .ddr_sdram_interval = CONFIG_SYS_DDR_INTERVAL, + .ddr_data_init = CONFIG_SYS_DDR_DATA_INIT, + .ddr_sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL, + .ddr_init_addr = CONFIG_SYS_DDR_INIT_ADDR, + .ddr_init_ext_addr = CONFIG_SYS_DDR_INIT_EXT_ADDR, + .timing_cfg_4 = CONFIG_SYS_DDR_TIMING_4, + .timing_cfg_5 = CONFIG_SYS_DDR_TIMING_5, + .ddr_zq_cntl = CONFIG_SYS_DDR_ZQ_CONTROL, + .ddr_wrlvl_cntl = CONFIG_SYS_DDR_WRLVL_CONTROL, + .ddr_sr_cntr = CONFIG_SYS_DDR_SR_CNTR, + .ddr_sdram_rcw_1 = CONFIG_SYS_DDR_RCW_1, + .ddr_sdram_rcw_2 = CONFIG_SYS_DDR_RCW_2 + }; + + get_sys_info(&sysinfo); + printf("Configuring DDR for %s MT/s data rate\n", + strmhz(buf, sysinfo.freq_ddrbus)); + + ddr_size = CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; + + fsl_ddr_set_memctl_regs(&ddr_cfg_regs, 0, 0); + + if (set_ddr_laws(CONFIG_SYS_DDR_SDRAM_BASE, + ddr_size, LAW_TRGT_IF_DDR_1) < 0) { + printf("ERROR setting Local Access Windows for DDR\n"); + return 0; + }; + + return ddr_size; +} +#endif + +void fsl_ddr_board_options(memctl_options_t *popts, + dimm_params_t *pdimm, + unsigned int ctrl_num) +{ + int i; + + popts->clk_adjust = 6; + popts->cpo_override = 0x1f; + popts->write_data_delay = 2; + popts->half_strength_driver_enable = 1; + /* Write leveling override */ + popts->wrlvl_en = 1; + popts->wrlvl_override = 1; + popts->wrlvl_sample = 0xf; + popts->wrlvl_start = 0x8; + popts->trwt_override = 1; + popts->trwt = 0; + + if (pdimm->primary_sdram_width == 64) + popts->data_bus_width = 0; + else if (pdimm->primary_sdram_width == 32) + popts->data_bus_width = 1; + else + printf("Error in DDR bus width configuration!\n"); + + for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { + popts->cs_local_opts[i].odt_rd_cfg = FSL_DDR_ODT_NEVER; + popts->cs_local_opts[i].odt_wr_cfg = FSL_DDR_ODT_CS; + } +} -- cgit v1.2.1