X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Ffreescale%2Fp1010rdb%2Fddr.c;h=b423ec8e218a5f9eba40c02533c16c6807c4d66e;hb=46b5c8ed017958fc387ab86c71ae6c90abb6793c;hp=ab1b41d8320cd6acab49d0656de02c2171d589ba;hpb=d44a5f51288aec60c6bdb4ac939d75c24e5bf9c2;p=platform%2Fkernel%2Fu-boot.git diff --git a/board/freescale/p1010rdb/ddr.c b/board/freescale/p1010rdb/ddr.c index ab1b41d..b423ec8 100644 --- a/board/freescale/p1010rdb/ddr.c +++ b/board/freescale/p1010rdb/ddr.c @@ -1,156 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2010-2011 Freescale Semiconductor, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ */ #include +#include +#include #include #include #include -#include -#include +#include +#include #include #include DECLARE_GLOBAL_DATA_PTR; -#ifndef CONFIG_SYS_DDR_RAW_TIMING -#define CONFIG_SYS_DRAM_SIZE 1024 - -fsl_ddr_cfg_regs_t ddr_cfg_regs_800 = { - .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, - .timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3_800, - .timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0_800, - .timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1_800, - .timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2_800, - .ddr_sdram_cfg = CONFIG_SYS_DDR_CONTROL, - .ddr_sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL_2, - .ddr_sdram_mode = CONFIG_SYS_DDR_MODE_1_800, - .ddr_sdram_mode_2 = CONFIG_SYS_DDR_MODE_2_800, - .ddr_sdram_md_cntl = CONFIG_SYS_DDR_MODE_CONTROL, - .ddr_sdram_interval = CONFIG_SYS_DDR_INTERVAL_800, - .ddr_data_init = CONFIG_MEM_INIT_VALUE, - .ddr_sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL_800, - .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_800, - .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 -}; - -fsl_ddr_cfg_regs_t ddr_cfg_regs_667 = { - .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, - .timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3_667, - .timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0_667, - .timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1_667, - .timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2_667, - .ddr_sdram_cfg = CONFIG_SYS_DDR_CONTROL, - .ddr_sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL_2, - .ddr_sdram_mode = CONFIG_SYS_DDR_MODE_1_667, - .ddr_sdram_mode_2 = CONFIG_SYS_DDR_MODE_2_667, - .ddr_sdram_md_cntl = CONFIG_SYS_DDR_MODE_CONTROL, - .ddr_sdram_interval = CONFIG_SYS_DDR_INTERVAL_667, - .ddr_data_init = CONFIG_MEM_INIT_VALUE, - .ddr_sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL_667, - .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_667, - .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 -}; - -fixed_ddr_parm_t fixed_ddr_parm_0[] = { - {750, 850, &ddr_cfg_regs_800}, - {607, 749, &ddr_cfg_regs_667}, - {0, 0, NULL} -}; - -unsigned long get_sdram_size(void) -{ - struct cpu_type *cpu; - phys_size_t ddr_size; - - cpu = gd->arch.cpu; - /* P1014 and it's derivatives support max 16it DDR width */ - if (cpu->soc_ver == SVR_P1014) - ddr_size = (CONFIG_SYS_DRAM_SIZE / 2); - else - ddr_size = CONFIG_SYS_DRAM_SIZE; - - return ddr_size; -} - -/* - * Fixed sdram init -- doesn't use serial presence detect. - */ -phys_size_t fixed_sdram(void) -{ - int i; - char buf[32]; - fsl_ddr_cfg_regs_t ddr_cfg_regs; - phys_size_t ddr_size; - ulong ddr_freq, ddr_freq_mhz; - struct cpu_type *cpu; - -#if defined(CONFIG_SYS_RAMBOOT) - return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; -#endif - - ddr_freq = get_ddr_freq(0); - ddr_freq_mhz = ddr_freq / 1000000; - - printf("Configuring DDR for %s MT/s data rate\n", - strmhz(buf, ddr_freq)); - - for (i = 0; fixed_ddr_parm_0[i].max_freq > 0; i++) { - if ((ddr_freq_mhz > fixed_ddr_parm_0[i].min_freq) && - (ddr_freq_mhz <= fixed_ddr_parm_0[i].max_freq)) { - memcpy(&ddr_cfg_regs, fixed_ddr_parm_0[i].ddr_settings, - sizeof(ddr_cfg_regs)); - break; - } - } - - if (fixed_ddr_parm_0[i].max_freq == 0) - panic("Unsupported DDR data rate %s MT/s data rate\n", - strmhz(buf, ddr_freq)); - - cpu = gd->arch.cpu; - /* P1014 and it's derivatives support max 16bit DDR width */ - if (cpu->soc_ver == SVR_P1014) { - ddr_cfg_regs.ddr_sdram_cfg &= ~SDRAM_CFG_DBW_MASK; - ddr_cfg_regs.ddr_sdram_cfg |= SDRAM_CFG_16_BE; - /* divide SA and EA by two and then mask the rest so we don't - * write to reserved fields */ - ddr_cfg_regs.cs[0].bnds = (CONFIG_SYS_DDR_CS0_BNDS >> 1) & 0x0fff0fff; - } - - ddr_size = (phys_size_t) 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; -} - -#else /* CONFIG_SYS_DDR_RAW_TIMING */ /* * Samsung K4B2G0846C-HCF8 * The following timing are for "downshift" @@ -231,5 +96,3 @@ void fsl_ddr_board_options(memctl_options_t *popts, popts->cs_local_opts[i].odt_wr_cfg = FSL_DDR_ODT_CS; } } - -#endif /* CONFIG_SYS_DDR_RAW_TIMING */