--- /dev/null
+/*
+ * Copyright 2009, 2011 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/mmu.h>
+#include <asm/immap_85xx.h>
+#include <asm/processor.h>
+#include <fsl_ddr_sdram.h>
+#include <asm/io.h>
+#include <asm/fsl_law.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define CONFIG_SYS_DDR_CS0_BNDS 0x0000003F
+#define CONFIG_SYS_DDR_CS0_CONFIG 0x80014202
+#define CONFIG_SYS_DDR_CS0_CONFIG_2 0x00000000
+#define CONFIG_SYS_DDR_INIT_ADDR 0x00000000
+#define CONFIG_SYS_DDR_INIT_EXT_ADDR 0x00000000
+#define CONFIG_SYS_DDR_MODE_CONTROL 0x00000000
+#define CONFIG_SYS_DDR_ZQ_CONTROL 0x00000000
+#define CONFIG_SYS_DDR_WRLVL_CONTROL 0x00000000
+#define CONFIG_SYS_DDR_SR_CNTR 0x00000000
+#define CONFIG_SYS_DDR_RCW_1 0x00000000
+#define CONFIG_SYS_DDR_RCW_2 0x00000000
+#define CONFIG_SYS_DDR_CONTROL 0x43000000 /* Type = DDR2*/
+#define CONFIG_SYS_DDR_CONTROL_2 0x24401000
+#define CONFIG_SYS_DDR_TIMING_4 0x00000000
+#define CONFIG_SYS_DDR_TIMING_5 0x00000000
+
+#define CONFIG_SYS_DDR_TIMING_3_400 0x00010000
+#define CONFIG_SYS_DDR_TIMING_0_400 0x00260802
+#define CONFIG_SYS_DDR_TIMING_1_400 0x39355322
+#define CONFIG_SYS_DDR_TIMING_2_400 0x1f9048ca
+#define CONFIG_SYS_DDR_CLK_CTRL_400 0x02800000
+#define CONFIG_SYS_DDR_MODE_1_400 0x00480432
+#define CONFIG_SYS_DDR_MODE_2_400 0x00000000
+#define CONFIG_SYS_DDR_INTERVAL_400 0x06180100
+
+#define CONFIG_SYS_DDR_TIMING_3_533 0x00020000
+#define CONFIG_SYS_DDR_TIMING_0_533 0x00260802
+#define CONFIG_SYS_DDR_TIMING_1_533 0x4c47c432
+#define CONFIG_SYS_DDR_TIMING_2_533 0x0f9848ce
+#define CONFIG_SYS_DDR_CLK_CTRL_533 0x02800000
+#define CONFIG_SYS_DDR_MODE_1_533 0x00040642
+#define CONFIG_SYS_DDR_MODE_2_533 0x00000000
+#define CONFIG_SYS_DDR_INTERVAL_533 0x08200100
+
+#define CONFIG_SYS_DDR_TIMING_3_667 0x00030000
+#define CONFIG_SYS_DDR_TIMING_0_667 0x55770802
+#define CONFIG_SYS_DDR_TIMING_1_667 0x5f599543
+#define CONFIG_SYS_DDR_TIMING_2_667 0x0fa074d1
+#define CONFIG_SYS_DDR_CLK_CTRL_667 0x03000000
+#define CONFIG_SYS_DDR_MODE_1_667 0x00040852
+#define CONFIG_SYS_DDR_MODE_2_667 0x00000000
+#define CONFIG_SYS_DDR_INTERVAL_667 0x0a280100
+
+#define CONFIG_SYS_DDR_TIMING_3_800 0x00040000
+#define CONFIG_SYS_DDR_TIMING_0_800 0x00770802
+#define CONFIG_SYS_DDR_TIMING_1_800 0x6f6b6543
+#define CONFIG_SYS_DDR_TIMING_2_800 0x0fa074d1
+#define CONFIG_SYS_DDR_CLK_CTRL_800 0x02800000
+#define CONFIG_SYS_DDR_MODE_1_800 0x00040852
+#define CONFIG_SYS_DDR_MODE_2_800 0x00000000
+#define CONFIG_SYS_DDR_INTERVAL_800 0x0c300100
+
+fsl_ddr_cfg_regs_t ddr_cfg_regs_400 = {
+ .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_400,
+ .timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0_400,
+ .timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1_400,
+ .timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2_400,
+ .ddr_sdram_cfg = CONFIG_SYS_DDR_CONTROL,
+ .ddr_sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL_2,
+ .ddr_sdram_mode = CONFIG_SYS_DDR_MODE_1_400,
+ .ddr_sdram_mode_2 = CONFIG_SYS_DDR_MODE_2_400,
+ .ddr_sdram_md_cntl = CONFIG_SYS_DDR_MODE_CONTROL,
+ .ddr_sdram_interval = CONFIG_SYS_DDR_INTERVAL_400,
+ .ddr_data_init = CONFIG_MEM_INIT_VALUE,
+ .ddr_sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL_400,
+ .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
+};
+
+fsl_ddr_cfg_regs_t ddr_cfg_regs_533 = {
+ .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_533,
+ .timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0_533,
+ .timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1_533,
+ .timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2_533,
+ .ddr_sdram_cfg = CONFIG_SYS_DDR_CONTROL,
+ .ddr_sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL_2,
+ .ddr_sdram_mode = CONFIG_SYS_DDR_MODE_1_533,
+ .ddr_sdram_mode_2 = CONFIG_SYS_DDR_MODE_2_533,
+ .ddr_sdram_md_cntl = CONFIG_SYS_DDR_MODE_CONTROL,
+ .ddr_sdram_interval = CONFIG_SYS_DDR_INTERVAL_533,
+ .ddr_data_init = CONFIG_MEM_INIT_VALUE,
+ .ddr_sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL_533,
+ .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
+};
+
+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,
+ .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_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,
+ .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 sdram init -- doesn't use serial presence detect.
+ */
+
+phys_size_t fixed_sdram (void)
+{
+ char buf[32];
+ fsl_ddr_cfg_regs_t ddr_cfg_regs;
+ size_t ddr_size;
+ struct cpu_type *cpu;
+ ulong ddr_freq, ddr_freq_mhz;
+
+ cpu = gd->arch.cpu;
+ /* P1020 and it's derivatives support max 32bit DDR width */
+ if (cpu->soc_ver == SVR_P1020 || cpu->soc_ver == SVR_P1011) {
+ ddr_size = (CONFIG_SYS_SDRAM_SIZE * 1024 * 1024 / 2);
+ } else {
+ ddr_size = CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
+ }
+#if defined(CONFIG_SYS_RAMBOOT)
+ return ddr_size;
+#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));
+
+ if(ddr_freq_mhz <= 400)
+ memcpy(&ddr_cfg_regs, &ddr_cfg_regs_400, sizeof(ddr_cfg_regs));
+ else if(ddr_freq_mhz <= 533)
+ memcpy(&ddr_cfg_regs, &ddr_cfg_regs_533, sizeof(ddr_cfg_regs));
+ else if(ddr_freq_mhz <= 667)
+ memcpy(&ddr_cfg_regs, &ddr_cfg_regs_667, sizeof(ddr_cfg_regs));
+ else if(ddr_freq_mhz <= 800)
+ memcpy(&ddr_cfg_regs, &ddr_cfg_regs_800, sizeof(ddr_cfg_regs));
+ else
+ panic("Unsupported DDR data rate %s MT/s data rate\n",
+ strmhz(buf, ddr_freq));
+
+ /* P1020 and it's derivatives support max 32bit DDR width */
+ if (cpu->soc_ver == SVR_P1020 || cpu->soc_ver == SVR_P1011) {
+ ddr_cfg_regs.ddr_sdram_cfg |= SDRAM_CFG_32_BE;
+ ddr_cfg_regs.cs[0].bnds = 0x0000001F;
+ }
+
+ fsl_ddr_set_memctl_regs(&ddr_cfg_regs, 0, 0);
+
+ set_ddr_laws(0, ddr_size, LAW_TRGT_IF_DDR_1);
+ return ddr_size;
+}
Code Review / kvmfornfv.git / blobdiff