1199 lines
28 KiB
C
1199 lines
28 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) Marvell International Ltd. and its affiliates
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*/
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#include <common.h>
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#include <i2c.h>
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#include <log.h>
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#include <spl.h>
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#include <asm/io.h>
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#include <asm/arch/cpu.h>
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#include <asm/arch/soc.h>
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#include <linux/delay.h>
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#include "ddr3_init.h"
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#if defined(MV88F78X60)
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#include "ddr3_axp_vars.h"
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#elif defined(MV88F67XX)
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#include "ddr3_a370_vars.h"
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#elif defined(MV88F672X)
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#include "ddr3_a375_vars.h"
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#endif
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#ifdef STATIC_TRAINING
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static void ddr3_static_training_init(void);
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#endif
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#ifdef DUNIT_STATIC
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static void ddr3_static_mc_init(void);
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#endif
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#if defined(DUNIT_STATIC) || defined(STATIC_TRAINING)
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MV_DRAM_MODES *ddr3_get_static_ddr_mode(void);
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#endif
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#if defined(MV88F672X)
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void get_target_freq(u32 freq_mode, u32 *ddr_freq, u32 *hclk_ps);
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#endif
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u32 mv_board_id_get(void);
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extern void ddr3_set_sw_wl_rl_debug(u32);
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extern void ddr3_set_pbs(u32);
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extern void ddr3_set_log_level(u32 val);
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static u32 log_level = DDR3_LOG_LEVEL;
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static u32 ddr3_init_main(void);
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/*
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* Name: ddr3_set_log_level
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* Desc: This routine initialize the log_level acording to nLogLevel
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* which getting from user
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* Args: nLogLevel
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* Notes:
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* Returns: None.
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*/
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void ddr3_set_log_level(u32 val)
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{
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log_level = val;
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}
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/*
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* Name: ddr3_get_log_level
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* Desc: This routine returns the log level
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* Args: none
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* Notes:
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* Returns: log level.
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*/
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u32 ddr3_get_log_level(void)
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{
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return log_level;
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}
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static void debug_print_reg(u32 reg)
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{
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printf("0x%08x = 0x%08x\n", reg, reg_read(reg));
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}
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static void print_dunit_setup(void)
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{
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puts("\n########### LOG LEVEL 1 (D-UNIT SETUP)###########\n");
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#ifdef DUNIT_STATIC
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puts("\nStatic D-UNIT Setup:\n");
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#endif
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#ifdef DUNIT_SPD
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puts("\nDynamic(using SPD) D-UNIT Setup:\n");
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#endif
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debug_print_reg(REG_SDRAM_CONFIG_ADDR);
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debug_print_reg(REG_DUNIT_CTRL_LOW_ADDR);
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debug_print_reg(REG_SDRAM_TIMING_LOW_ADDR);
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debug_print_reg(REG_SDRAM_TIMING_HIGH_ADDR);
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debug_print_reg(REG_SDRAM_ADDRESS_CTRL_ADDR);
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debug_print_reg(REG_SDRAM_OPEN_PAGES_ADDR);
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debug_print_reg(REG_SDRAM_OPERATION_ADDR);
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debug_print_reg(REG_SDRAM_MODE_ADDR);
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debug_print_reg(REG_SDRAM_EXT_MODE_ADDR);
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debug_print_reg(REG_DDR_CONT_HIGH_ADDR);
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debug_print_reg(REG_ODT_TIME_LOW_ADDR);
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debug_print_reg(REG_SDRAM_ERROR_ADDR);
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debug_print_reg(REG_SDRAM_AUTO_PWR_SAVE_ADDR);
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debug_print_reg(REG_OUDDR3_TIMING_ADDR);
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debug_print_reg(REG_ODT_TIME_HIGH_ADDR);
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debug_print_reg(REG_SDRAM_ODT_CTRL_LOW_ADDR);
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debug_print_reg(REG_SDRAM_ODT_CTRL_HIGH_ADDR);
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debug_print_reg(REG_DUNIT_ODT_CTRL_ADDR);
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#ifndef MV88F67XX
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debug_print_reg(REG_DRAM_FIFO_CTRL_ADDR);
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debug_print_reg(REG_DRAM_AXI_CTRL_ADDR);
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debug_print_reg(REG_DRAM_ADDR_CTRL_DRIVE_STRENGTH_ADDR);
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debug_print_reg(REG_DRAM_DATA_DQS_DRIVE_STRENGTH_ADDR);
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debug_print_reg(REG_DRAM_VER_CAL_MACHINE_CTRL_ADDR);
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debug_print_reg(REG_DRAM_MAIN_PADS_CAL_ADDR);
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debug_print_reg(REG_DRAM_HOR_CAL_MACHINE_CTRL_ADDR);
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debug_print_reg(REG_CS_SIZE_SCRATCH_ADDR);
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debug_print_reg(REG_DYNAMIC_POWER_SAVE_ADDR);
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debug_print_reg(REG_READ_DATA_SAMPLE_DELAYS_ADDR);
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debug_print_reg(REG_READ_DATA_READY_DELAYS_ADDR);
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debug_print_reg(REG_DDR3_MR0_ADDR);
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debug_print_reg(REG_DDR3_MR1_ADDR);
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debug_print_reg(REG_DDR3_MR2_ADDR);
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debug_print_reg(REG_DDR3_MR3_ADDR);
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debug_print_reg(REG_DDR3_RANK_CTRL_ADDR);
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debug_print_reg(REG_DRAM_PHY_CONFIG_ADDR);
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debug_print_reg(REG_STATIC_DRAM_DLB_CONTROL);
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debug_print_reg(DLB_BUS_OPTIMIZATION_WEIGHTS_REG);
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debug_print_reg(DLB_AGING_REGISTER);
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debug_print_reg(DLB_EVICTION_CONTROL_REG);
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debug_print_reg(DLB_EVICTION_TIMERS_REGISTER_REG);
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#if defined(MV88F672X)
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debug_print_reg(REG_FASTPATH_WIN_CTRL_ADDR(0));
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debug_print_reg(REG_FASTPATH_WIN_BASE_ADDR(0));
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debug_print_reg(REG_FASTPATH_WIN_CTRL_ADDR(1));
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debug_print_reg(REG_FASTPATH_WIN_BASE_ADDR(1));
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#else
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debug_print_reg(REG_FASTPATH_WIN_0_CTRL_ADDR);
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#endif
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debug_print_reg(REG_CDI_CONFIG_ADDR);
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#endif
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}
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#if !defined(STATIC_TRAINING)
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static void ddr3_restore_and_set_final_windows(u32 *win_backup)
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{
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u32 ui, reg, cs;
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u32 win_ctrl_reg, num_of_win_regs;
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u32 cs_ena = ddr3_get_cs_ena_from_reg();
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#if defined(MV88F672X)
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if (DDR3_FAST_PATH_EN == 0)
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return;
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#endif
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#if defined(MV88F672X)
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win_ctrl_reg = REG_XBAR_WIN_16_CTRL_ADDR;
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num_of_win_regs = 8;
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#else
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win_ctrl_reg = REG_XBAR_WIN_4_CTRL_ADDR;
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num_of_win_regs = 16;
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#endif
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/* Return XBAR windows 4-7 or 16-19 init configuration */
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for (ui = 0; ui < num_of_win_regs; ui++)
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reg_write((win_ctrl_reg + 0x4 * ui), win_backup[ui]);
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DEBUG_INIT_FULL_S("DDR3 Training Sequence - Switching XBAR Window to FastPath Window\n");
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#if defined(MV88F672X)
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/* Set L2 filtering to 1G */
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reg_write(0x8c04, 0x40000000);
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/* Open fast path windows */
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for (cs = 0; cs < MAX_CS; cs++) {
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if (cs_ena & (1 << cs)) {
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/* set fast path window control for the cs */
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reg = 0x1FFFFFE1;
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reg |= (cs << 2);
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reg |= (SDRAM_CS_SIZE & 0xFFFF0000);
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/* Open fast path Window */
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reg_write(REG_FASTPATH_WIN_CTRL_ADDR(cs), reg);
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/* set fast path window base address for the cs */
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reg = (((SDRAM_CS_SIZE + 1) * cs) & 0xFFFF0000);
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/* Set base address */
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reg_write(REG_FASTPATH_WIN_BASE_ADDR(cs), reg);
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}
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}
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#else
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reg = 0x1FFFFFE1;
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for (cs = 0; cs < MAX_CS; cs++) {
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if (cs_ena & (1 << cs)) {
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reg |= (cs << 2);
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break;
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}
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}
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/* Open fast path Window to - 0.5G */
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reg_write(REG_FASTPATH_WIN_0_CTRL_ADDR, reg);
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#endif
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}
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static void ddr3_save_and_set_training_windows(u32 *win_backup)
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{
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u32 cs_ena = ddr3_get_cs_ena_from_reg();
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u32 reg, tmp_count, cs, ui;
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u32 win_ctrl_reg, win_base_reg, win_remap_reg;
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u32 num_of_win_regs, win_jump_index;
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#if defined(MV88F672X)
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/* Disable L2 filtering */
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reg_write(0x8c04, 0);
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win_ctrl_reg = REG_XBAR_WIN_16_CTRL_ADDR;
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win_base_reg = REG_XBAR_WIN_16_BASE_ADDR;
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win_remap_reg = REG_XBAR_WIN_16_REMAP_ADDR;
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win_jump_index = 0x8;
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num_of_win_regs = 8;
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#else
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win_ctrl_reg = REG_XBAR_WIN_4_CTRL_ADDR;
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win_base_reg = REG_XBAR_WIN_4_BASE_ADDR;
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win_remap_reg = REG_XBAR_WIN_4_REMAP_ADDR;
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win_jump_index = 0x10;
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num_of_win_regs = 16;
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#endif
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/* Close XBAR Window 19 - Not needed */
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/* {0x000200e8} - Open Mbus Window - 2G */
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reg_write(REG_XBAR_WIN_19_CTRL_ADDR, 0);
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/* Save XBAR Windows 4-19 init configurations */
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for (ui = 0; ui < num_of_win_regs; ui++)
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win_backup[ui] = reg_read(win_ctrl_reg + 0x4 * ui);
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/* Open XBAR Windows 4-7 or 16-19 for other CS */
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reg = 0;
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tmp_count = 0;
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for (cs = 0; cs < MAX_CS; cs++) {
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if (cs_ena & (1 << cs)) {
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switch (cs) {
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case 0:
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reg = 0x0E00;
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break;
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case 1:
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reg = 0x0D00;
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break;
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case 2:
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reg = 0x0B00;
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break;
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case 3:
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reg = 0x0700;
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break;
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}
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reg |= (1 << 0);
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reg |= (SDRAM_CS_SIZE & 0xFFFF0000);
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reg_write(win_ctrl_reg + win_jump_index * tmp_count,
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reg);
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reg = ((SDRAM_CS_SIZE + 1) * (tmp_count)) & 0xFFFF0000;
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reg_write(win_base_reg + win_jump_index * tmp_count,
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reg);
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if (win_remap_reg <= REG_XBAR_WIN_7_REMAP_ADDR) {
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reg_write(win_remap_reg +
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win_jump_index * tmp_count, 0);
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}
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tmp_count++;
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}
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}
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}
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#endif /* !defined(STATIC_TRAINING) */
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/*
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* Name: ddr3_init - Main DDR3 Init function
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* Desc: This routine initialize the DDR3 MC and runs HW training.
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* Args: None.
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* Notes:
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* Returns: None.
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*/
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int ddr3_init(void)
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{
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unsigned int status;
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ddr3_set_pbs(DDR3_PBS);
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ddr3_set_sw_wl_rl_debug(DDR3_RUN_SW_WHEN_HW_FAIL);
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status = ddr3_init_main();
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if (status == MV_DDR3_TRAINING_ERR_BAD_SAR)
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DEBUG_INIT_S("DDR3 Training Error: Bad sample at reset");
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if (status == MV_DDR3_TRAINING_ERR_BAD_DIMM_SETUP)
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DEBUG_INIT_S("DDR3 Training Error: Bad DIMM setup");
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if (status == MV_DDR3_TRAINING_ERR_MAX_CS_LIMIT)
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DEBUG_INIT_S("DDR3 Training Error: Max CS limit");
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if (status == MV_DDR3_TRAINING_ERR_MAX_ENA_CS_LIMIT)
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DEBUG_INIT_S("DDR3 Training Error: Max enable CS limit");
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if (status == MV_DDR3_TRAINING_ERR_BAD_R_DIMM_SETUP)
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DEBUG_INIT_S("DDR3 Training Error: Bad R-DIMM setup");
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if (status == MV_DDR3_TRAINING_ERR_TWSI_FAIL)
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DEBUG_INIT_S("DDR3 Training Error: TWSI failure");
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if (status == MV_DDR3_TRAINING_ERR_DIMM_TYPE_NO_MATCH)
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DEBUG_INIT_S("DDR3 Training Error: DIMM type no match");
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if (status == MV_DDR3_TRAINING_ERR_TWSI_BAD_TYPE)
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DEBUG_INIT_S("DDR3 Training Error: TWSI bad type");
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if (status == MV_DDR3_TRAINING_ERR_BUS_WIDTH_NOT_MATCH)
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DEBUG_INIT_S("DDR3 Training Error: bus width no match");
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if (status > MV_DDR3_TRAINING_ERR_HW_FAIL_BASE)
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DEBUG_INIT_C("DDR3 Training Error: HW Failure 0x", status, 8);
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return status;
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}
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static void print_ddr_target_freq(u32 cpu_freq, u32 fab_opt)
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{
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puts("\nDDR3 Training Sequence - Run DDR3 at ");
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switch (cpu_freq) {
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#if defined(MV88F672X)
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case 21:
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puts("533 Mhz\n");
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break;
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#else
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case 1:
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puts("533 Mhz\n");
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break;
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case 2:
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if (fab_opt == 5)
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puts("600 Mhz\n");
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if (fab_opt == 9)
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puts("400 Mhz\n");
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break;
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case 3:
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puts("667 Mhz\n");
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break;
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case 4:
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if (fab_opt == 5)
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puts("750 Mhz\n");
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if (fab_opt == 9)
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puts("500 Mhz\n");
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break;
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case 0xa:
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puts("400 Mhz\n");
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break;
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case 0xb:
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if (fab_opt == 5)
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puts("800 Mhz\n");
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if (fab_opt == 9)
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puts("553 Mhz\n");
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if (fab_opt == 0xA)
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puts("640 Mhz\n");
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break;
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#endif
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default:
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puts("NOT DEFINED FREQ\n");
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}
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}
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static u32 ddr3_init_main(void)
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{
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u32 target_freq;
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u32 reg = 0;
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u32 cpu_freq, fab_opt, hclk_time_ps, soc_num;
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__maybe_unused u32 ecc = DRAM_ECC;
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__maybe_unused int dqs_clk_aligned = 0;
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__maybe_unused u32 scrub_offs, scrub_size;
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__maybe_unused u32 ddr_width = BUS_WIDTH;
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__maybe_unused int status;
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__maybe_unused u32 win_backup[16];
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__maybe_unused struct udevice *udev;
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__maybe_unused int ret;
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/* SoC/Board special Initializtions */
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fab_opt = ddr3_get_fab_opt();
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#ifdef CONFIG_SPD_EEPROM
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ret = i2c_get_chip_for_busnum(0, BUS_WIDTH_ECC_TWSI_ADDR, 1, &udev);
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if (ret) {
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printf("Cannot find SPD EEPROM\n");
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return MV_DDR3_TRAINING_ERR_BAD_DIMM_SETUP;
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}
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#endif
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ddr3_print_version();
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DEBUG_INIT_S("4\n");
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/* Lib version 5.5.4 */
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fab_opt = ddr3_get_fab_opt();
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/* Switching CPU to MRVL ID */
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soc_num = (reg_read(REG_SAMPLE_RESET_HIGH_ADDR) & SAR1_CPU_CORE_MASK) >>
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SAR1_CPU_CORE_OFFSET;
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switch (soc_num) {
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case 0x3:
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reg_bit_set(CPU_CONFIGURATION_REG(3), CPU_MRVL_ID_OFFSET);
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reg_bit_set(CPU_CONFIGURATION_REG(2), CPU_MRVL_ID_OFFSET);
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case 0x1:
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reg_bit_set(CPU_CONFIGURATION_REG(1), CPU_MRVL_ID_OFFSET);
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case 0x0:
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reg_bit_set(CPU_CONFIGURATION_REG(0), CPU_MRVL_ID_OFFSET);
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default:
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break;
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}
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/* Power down deskew PLL */
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#if !defined(MV88F672X)
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/* 0x18780 [25] */
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reg = (reg_read(REG_DDRPHY_APLL_CTRL_ADDR) & ~(1 << 25));
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reg_write(REG_DDRPHY_APLL_CTRL_ADDR, reg);
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#endif
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/*
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* Stage 0 - Set board configuration
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*/
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cpu_freq = ddr3_get_cpu_freq();
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if (fab_opt > FAB_OPT)
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fab_opt = FAB_OPT - 1;
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if (ddr3_get_log_level() > 0)
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print_ddr_target_freq(cpu_freq, fab_opt);
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#if defined(MV88F672X)
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get_target_freq(cpu_freq, &target_freq, &hclk_time_ps);
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#else
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target_freq = cpu_ddr_ratios[fab_opt][cpu_freq];
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hclk_time_ps = cpu_fab_clk_to_hclk[fab_opt][cpu_freq];
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#endif
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if ((target_freq == 0) || (hclk_time_ps == 0)) {
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DEBUG_INIT_S("DDR3 Training Sequence - FAILED - Wrong Sample at Reset Configurations\n");
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if (target_freq == 0) {
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DEBUG_INIT_C("target_freq", target_freq, 2);
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DEBUG_INIT_C("fab_opt", fab_opt, 2);
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DEBUG_INIT_C("cpu_freq", cpu_freq, 2);
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} else if (hclk_time_ps == 0) {
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DEBUG_INIT_C("hclk_time_ps", hclk_time_ps, 2);
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DEBUG_INIT_C("fab_opt", fab_opt, 2);
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DEBUG_INIT_C("cpu_freq", cpu_freq, 2);
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}
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return MV_DDR3_TRAINING_ERR_BAD_SAR;
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}
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#if defined(ECC_SUPPORT)
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scrub_offs = U_BOOT_START_ADDR;
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scrub_size = U_BOOT_SCRUB_SIZE;
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#else
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scrub_offs = 0;
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scrub_size = 0;
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#endif
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#if defined(ECC_SUPPORT) && defined(AUTO_DETECTION_SUPPORT)
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ecc = 0;
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if (ddr3_check_config(udev, CONFIG_ECC))
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ecc = 1;
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#endif
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#ifdef DQS_CLK_ALIGNED
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dqs_clk_aligned = 1;
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#endif
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/* Check if DRAM is already initialized */
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if (reg_read(REG_BOOTROM_ROUTINE_ADDR) &
|
|
(1 << REG_BOOTROM_ROUTINE_DRAM_INIT_OFFS)) {
|
|
DEBUG_INIT_S("DDR3 Training Sequence - 2nd boot - Skip\n");
|
|
return MV_OK;
|
|
}
|
|
|
|
/*
|
|
* Stage 1 - Dunit Setup
|
|
*/
|
|
|
|
#ifdef DUNIT_STATIC
|
|
/*
|
|
* For Static D-Unit Setup use must set the correct static values
|
|
* at the ddr3_*soc*_vars.h file
|
|
*/
|
|
DEBUG_INIT_FULL_S("DDR3 Training Sequence - Static MC Init\n");
|
|
ddr3_static_mc_init();
|
|
|
|
#ifdef ECC_SUPPORT
|
|
ecc = DRAM_ECC;
|
|
if (ecc) {
|
|
reg = reg_read(REG_SDRAM_CONFIG_ADDR);
|
|
reg |= (1 << REG_SDRAM_CONFIG_ECC_OFFS);
|
|
reg_write(REG_SDRAM_CONFIG_ADDR, reg);
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
#if defined(MV88F78X60) || defined(MV88F672X)
|
|
#if defined(AUTO_DETECTION_SUPPORT)
|
|
/*
|
|
* Configurations for both static and dynamic MC setups
|
|
*
|
|
* Dynamically Set 32Bit and ECC for AXP (Relevant only for
|
|
* Marvell DB boards)
|
|
*/
|
|
if (ddr3_check_config(udev, CONFIG_BUS_WIDTH)) {
|
|
ddr_width = 32;
|
|
DEBUG_INIT_S("DDR3 Training Sequence - DRAM bus width 32Bit\n");
|
|
}
|
|
#endif
|
|
|
|
#if defined(MV88F672X)
|
|
reg = reg_read(REG_SDRAM_CONFIG_ADDR);
|
|
if ((reg >> 15) & 1)
|
|
ddr_width = 32;
|
|
else
|
|
ddr_width = 16;
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef DUNIT_SPD
|
|
status = ddr3_dunit_setup(ecc, hclk_time_ps, &ddr_width);
|
|
if (MV_OK != status) {
|
|
DEBUG_INIT_S("DDR3 Training Sequence - FAILED (ddr3 Dunit Setup)\n");
|
|
return status;
|
|
}
|
|
#endif
|
|
|
|
/* Fix read ready phases for all SOC in reg 0x15C8 */
|
|
reg = reg_read(REG_TRAINING_DEBUG_3_ADDR);
|
|
reg &= ~(REG_TRAINING_DEBUG_3_MASK);
|
|
reg |= 0x4; /* Phase 0 */
|
|
reg &= ~(REG_TRAINING_DEBUG_3_MASK << REG_TRAINING_DEBUG_3_OFFS);
|
|
reg |= (0x4 << (1 * REG_TRAINING_DEBUG_3_OFFS)); /* Phase 1 */
|
|
reg &= ~(REG_TRAINING_DEBUG_3_MASK << (3 * REG_TRAINING_DEBUG_3_OFFS));
|
|
reg |= (0x6 << (3 * REG_TRAINING_DEBUG_3_OFFS)); /* Phase 3 */
|
|
reg &= ~(REG_TRAINING_DEBUG_3_MASK << (4 * REG_TRAINING_DEBUG_3_OFFS));
|
|
reg |= (0x6 << (4 * REG_TRAINING_DEBUG_3_OFFS));
|
|
reg &= ~(REG_TRAINING_DEBUG_3_MASK << (5 * REG_TRAINING_DEBUG_3_OFFS));
|
|
reg |= (0x6 << (5 * REG_TRAINING_DEBUG_3_OFFS));
|
|
reg_write(REG_TRAINING_DEBUG_3_ADDR, reg);
|
|
|
|
#if defined(MV88F672X)
|
|
/*
|
|
* AxiBrespMode[8] = Compliant,
|
|
* AxiAddrDecodeCntrl[11] = Internal,
|
|
* AxiDataBusWidth[0] = 128bit
|
|
*/
|
|
/* 0x14A8 - AXI Control Register */
|
|
reg_write(REG_DRAM_AXI_CTRL_ADDR, 0);
|
|
#else
|
|
/* 0x14A8 - AXI Control Register */
|
|
reg_write(REG_DRAM_AXI_CTRL_ADDR, 0x00000100);
|
|
reg_write(REG_CDI_CONFIG_ADDR, 0x00000006);
|
|
|
|
if ((ddr_width == 64) && (reg_read(REG_DDR_IO_ADDR) &
|
|
(1 << REG_DDR_IO_CLK_RATIO_OFFS))) {
|
|
/* 0x14A8 - AXI Control Register */
|
|
reg_write(REG_DRAM_AXI_CTRL_ADDR, 0x00000101);
|
|
reg_write(REG_CDI_CONFIG_ADDR, 0x00000007);
|
|
}
|
|
#endif
|
|
|
|
#if !defined(MV88F67XX)
|
|
/*
|
|
* ARMADA-370 activate DLB later at the u-boot,
|
|
* Armada38x - No DLB activation at this time
|
|
*/
|
|
reg_write(DLB_BUS_OPTIMIZATION_WEIGHTS_REG, 0x18C01E);
|
|
|
|
#if defined(MV88F78X60)
|
|
/* WA according to eratta GL-8672902*/
|
|
if (mv_ctrl_rev_get() == MV_78XX0_B0_REV)
|
|
reg_write(DLB_BUS_OPTIMIZATION_WEIGHTS_REG, 0xc19e);
|
|
#endif
|
|
|
|
reg_write(DLB_AGING_REGISTER, 0x0f7f007f);
|
|
reg_write(DLB_EVICTION_CONTROL_REG, 0x0);
|
|
reg_write(DLB_EVICTION_TIMERS_REGISTER_REG, 0x00FF3C1F);
|
|
|
|
reg_write(MBUS_UNITS_PRIORITY_CONTROL_REG, 0x55555555);
|
|
reg_write(FABRIC_UNITS_PRIORITY_CONTROL_REG, 0xAA);
|
|
reg_write(MBUS_UNITS_PREFETCH_CONTROL_REG, 0xffff);
|
|
reg_write(FABRIC_UNITS_PREFETCH_CONTROL_REG, 0xf0f);
|
|
|
|
#if defined(MV88F78X60)
|
|
/* WA according to eratta GL-8672902 */
|
|
if (mv_ctrl_rev_get() == MV_78XX0_B0_REV) {
|
|
reg = reg_read(REG_STATIC_DRAM_DLB_CONTROL);
|
|
reg |= DLB_ENABLE;
|
|
reg_write(REG_STATIC_DRAM_DLB_CONTROL, reg);
|
|
}
|
|
#endif /* end defined(MV88F78X60) */
|
|
#endif /* end !defined(MV88F67XX) */
|
|
|
|
if (ddr3_get_log_level() >= MV_LOG_LEVEL_1)
|
|
print_dunit_setup();
|
|
|
|
/*
|
|
* Stage 2 - Training Values Setup
|
|
*/
|
|
#ifdef STATIC_TRAINING
|
|
/*
|
|
* DRAM Init - After all the D-unit values are set, its time to init
|
|
* the D-unit
|
|
*/
|
|
/* Wait for '0' */
|
|
reg_write(REG_SDRAM_INIT_CTRL_ADDR, 0x1);
|
|
do {
|
|
reg = (reg_read(REG_SDRAM_INIT_CTRL_ADDR)) &
|
|
(1 << REG_SDRAM_INIT_CTRL_OFFS);
|
|
} while (reg);
|
|
|
|
/* ddr3 init using static parameters - HW training is disabled */
|
|
DEBUG_INIT_FULL_S("DDR3 Training Sequence - Static Training Parameters\n");
|
|
ddr3_static_training_init();
|
|
|
|
#if defined(MV88F78X60)
|
|
/*
|
|
* If ECC is enabled, need to scrub the U-Boot area memory region -
|
|
* Run training function with Xor bypass just to scrub the memory
|
|
*/
|
|
status = ddr3_hw_training(target_freq, ddr_width,
|
|
1, scrub_offs, scrub_size,
|
|
dqs_clk_aligned, DDR3_TRAINING_DEBUG,
|
|
REG_DIMM_SKIP_WL);
|
|
if (MV_OK != status) {
|
|
DEBUG_INIT_FULL_S("DDR3 Training Sequence - FAILED\n");
|
|
return status;
|
|
}
|
|
#endif
|
|
#else
|
|
/* Set X-BAR windows for the training sequence */
|
|
ddr3_save_and_set_training_windows(win_backup);
|
|
|
|
/* Run DDR3 Training Sequence */
|
|
/* DRAM Init */
|
|
reg_write(REG_SDRAM_INIT_CTRL_ADDR, 0x1);
|
|
do {
|
|
reg = (reg_read(REG_SDRAM_INIT_CTRL_ADDR)) &
|
|
(1 << REG_SDRAM_INIT_CTRL_OFFS);
|
|
} while (reg); /* Wait for '0' */
|
|
|
|
/* ddr3 init using DDR3 HW training procedure */
|
|
DEBUG_INIT_FULL_S("DDR3 Training Sequence - HW Training Procedure\n");
|
|
status = ddr3_hw_training(target_freq, ddr_width,
|
|
0, scrub_offs, scrub_size,
|
|
dqs_clk_aligned, DDR3_TRAINING_DEBUG,
|
|
REG_DIMM_SKIP_WL);
|
|
if (MV_OK != status) {
|
|
DEBUG_INIT_FULL_S("DDR3 Training Sequence - FAILED\n");
|
|
return status;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Stage 3 - Finish
|
|
*/
|
|
#if defined(MV88F78X60) || defined(MV88F672X)
|
|
/* Disable ECC Ignore bit */
|
|
reg = reg_read(REG_SDRAM_CONFIG_ADDR) &
|
|
~(1 << REG_SDRAM_CONFIG_IERR_OFFS);
|
|
reg_write(REG_SDRAM_CONFIG_ADDR, reg);
|
|
#endif
|
|
|
|
#if !defined(STATIC_TRAINING)
|
|
/* Restore and set windows */
|
|
ddr3_restore_and_set_final_windows(win_backup);
|
|
#endif
|
|
|
|
/* Update DRAM init indication in bootROM register */
|
|
reg = reg_read(REG_BOOTROM_ROUTINE_ADDR);
|
|
reg_write(REG_BOOTROM_ROUTINE_ADDR,
|
|
reg | (1 << REG_BOOTROM_ROUTINE_DRAM_INIT_OFFS));
|
|
|
|
#if !defined(MV88F67XX)
|
|
#if defined(MV88F78X60)
|
|
if (mv_ctrl_rev_get() == MV_78XX0_B0_REV) {
|
|
reg = reg_read(REG_SDRAM_CONFIG_ADDR);
|
|
if (ecc == 0)
|
|
reg_write(REG_SDRAM_CONFIG_ADDR, reg | (1 << 19));
|
|
}
|
|
#endif /* end defined(MV88F78X60) */
|
|
|
|
reg_write(DLB_EVICTION_CONTROL_REG, 0x9);
|
|
|
|
reg = reg_read(REG_STATIC_DRAM_DLB_CONTROL);
|
|
reg |= (DLB_ENABLE | DLB_WRITE_COALESING | DLB_AXI_PREFETCH_EN |
|
|
DLB_MBUS_PREFETCH_EN | PREFETCH_NLNSZTR);
|
|
reg_write(REG_STATIC_DRAM_DLB_CONTROL, reg);
|
|
#endif /* end !defined(MV88F67XX) */
|
|
|
|
#ifdef STATIC_TRAINING
|
|
DEBUG_INIT_S("DDR3 Training Sequence - Ended Successfully (S)\n");
|
|
#else
|
|
DEBUG_INIT_S("DDR3 Training Sequence - Ended Successfully\n");
|
|
#endif
|
|
|
|
return MV_OK;
|
|
}
|
|
|
|
/*
|
|
* Name: ddr3_get_cpu_freq
|
|
* Desc: read S@R and return CPU frequency
|
|
* Args:
|
|
* Notes:
|
|
* Returns: required value
|
|
*/
|
|
|
|
u32 ddr3_get_cpu_freq(void)
|
|
{
|
|
u32 reg, cpu_freq;
|
|
|
|
#if defined(MV88F672X)
|
|
/* Read sample at reset setting */
|
|
reg = reg_read(REG_SAMPLE_RESET_HIGH_ADDR); /* 0xE8200 */
|
|
cpu_freq = (reg & REG_SAMPLE_RESET_CPU_FREQ_MASK) >>
|
|
REG_SAMPLE_RESET_CPU_FREQ_OFFS;
|
|
#else
|
|
/* Read sample at reset setting */
|
|
reg = reg_read(REG_SAMPLE_RESET_LOW_ADDR); /* 0x18230 [23:21] */
|
|
#if defined(MV88F78X60)
|
|
cpu_freq = (reg & REG_SAMPLE_RESET_CPU_FREQ_MASK) >>
|
|
REG_SAMPLE_RESET_CPU_FREQ_OFFS;
|
|
reg = reg_read(REG_SAMPLE_RESET_HIGH_ADDR); /* 0x18234 [20] */
|
|
cpu_freq |= (((reg >> REG_SAMPLE_RESET_HIGH_CPU_FREQ_OFFS) & 0x1) << 3);
|
|
#elif defined(MV88F67XX)
|
|
cpu_freq = (reg & REG_SAMPLE_RESET_CPU_FREQ_MASK) >>
|
|
REG_SAMPLE_RESET_CPU_FREQ_OFFS;
|
|
#endif
|
|
#endif
|
|
|
|
return cpu_freq;
|
|
}
|
|
|
|
/*
|
|
* Name: ddr3_get_fab_opt
|
|
* Desc: read S@R and return CPU frequency
|
|
* Args:
|
|
* Notes:
|
|
* Returns: required value
|
|
*/
|
|
u32 ddr3_get_fab_opt(void)
|
|
{
|
|
__maybe_unused u32 reg, fab_opt;
|
|
|
|
#if defined(MV88F672X)
|
|
return 0; /* No fabric */
|
|
#else
|
|
/* Read sample at reset setting */
|
|
reg = reg_read(REG_SAMPLE_RESET_LOW_ADDR);
|
|
fab_opt = (reg & REG_SAMPLE_RESET_FAB_MASK) >>
|
|
REG_SAMPLE_RESET_FAB_OFFS;
|
|
|
|
#if defined(MV88F78X60)
|
|
reg = reg_read(REG_SAMPLE_RESET_HIGH_ADDR);
|
|
fab_opt |= (((reg >> 19) & 0x1) << 4);
|
|
#endif
|
|
|
|
return fab_opt;
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Name: ddr3_get_vco_freq
|
|
* Desc: read S@R and return VCO frequency
|
|
* Args:
|
|
* Notes:
|
|
* Returns: required value
|
|
*/
|
|
u32 ddr3_get_vco_freq(void)
|
|
{
|
|
u32 fab, cpu_freq, ui_vco_freq;
|
|
|
|
fab = ddr3_get_fab_opt();
|
|
cpu_freq = ddr3_get_cpu_freq();
|
|
|
|
if (fab == 2 || fab == 3 || fab == 7 || fab == 8 || fab == 10 ||
|
|
fab == 15 || fab == 17 || fab == 20)
|
|
ui_vco_freq = cpu_freq + CLK_CPU;
|
|
else
|
|
ui_vco_freq = cpu_freq;
|
|
|
|
return ui_vco_freq;
|
|
}
|
|
|
|
#ifdef STATIC_TRAINING
|
|
/*
|
|
* Name: ddr3_static_training_init - Init DDR3 Training with
|
|
* static parameters
|
|
* Desc: Use this routine to init the controller without the HW training
|
|
* procedure
|
|
* User must provide compatible header file with registers data.
|
|
* Args: None.
|
|
* Notes:
|
|
* Returns: None.
|
|
*/
|
|
void ddr3_static_training_init(void)
|
|
{
|
|
MV_DRAM_MODES *ddr_mode;
|
|
u32 reg;
|
|
int j;
|
|
|
|
ddr_mode = ddr3_get_static_ddr_mode();
|
|
|
|
j = 0;
|
|
while (ddr_mode->vals[j].reg_addr != 0) {
|
|
udelay(10); /* haim want to delay each write */
|
|
reg_write(ddr_mode->vals[j].reg_addr,
|
|
ddr_mode->vals[j].reg_value);
|
|
|
|
if (ddr_mode->vals[j].reg_addr ==
|
|
REG_PHY_REGISTRY_FILE_ACCESS_ADDR)
|
|
do {
|
|
reg = reg_read(REG_PHY_REGISTRY_FILE_ACCESS_ADDR) &
|
|
REG_PHY_REGISTRY_FILE_ACCESS_OP_DONE;
|
|
} while (reg);
|
|
j++;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Name: ddr3_get_static_mc_value - Init Memory controller with static
|
|
* parameters
|
|
* Desc: Use this routine to init the controller without the HW training
|
|
* procedure
|
|
* User must provide compatible header file with registers data.
|
|
* Args: None.
|
|
* Notes:
|
|
* Returns: None.
|
|
*/
|
|
u32 ddr3_get_static_mc_value(u32 reg_addr, u32 offset1, u32 mask1, u32 offset2,
|
|
u32 mask2)
|
|
{
|
|
u32 reg, tmp;
|
|
|
|
reg = reg_read(reg_addr);
|
|
|
|
tmp = (reg >> offset1) & mask1;
|
|
if (mask2)
|
|
tmp |= (reg >> offset2) & mask2;
|
|
|
|
return tmp;
|
|
}
|
|
|
|
/*
|
|
* Name: ddr3_get_static_ddr_mode - Init Memory controller with static
|
|
* parameters
|
|
* Desc: Use this routine to init the controller without the HW training
|
|
* procedure
|
|
* User must provide compatible header file with registers data.
|
|
* Args: None.
|
|
* Notes:
|
|
* Returns: None.
|
|
*/
|
|
__weak MV_DRAM_MODES *ddr3_get_static_ddr_mode(void)
|
|
{
|
|
u32 chip_board_rev, i;
|
|
u32 size;
|
|
|
|
/* Do not modify this code. relevant only for marvell Boards */
|
|
#if defined(DB_78X60_PCAC)
|
|
chip_board_rev = Z1_PCAC;
|
|
#elif defined(DB_78X60_AMC)
|
|
chip_board_rev = A0_AMC;
|
|
#elif defined(DB_88F6710_PCAC)
|
|
chip_board_rev = A0_PCAC;
|
|
#elif defined(RD_88F6710)
|
|
chip_board_rev = A0_RD;
|
|
#elif defined(MV88F672X)
|
|
chip_board_rev = mv_board_id_get();
|
|
#else
|
|
chip_board_rev = A0;
|
|
#endif
|
|
|
|
size = sizeof(ddr_modes) / sizeof(MV_DRAM_MODES);
|
|
for (i = 0; i < size; i++) {
|
|
if ((ddr3_get_cpu_freq() == ddr_modes[i].cpu_freq) &&
|
|
(ddr3_get_fab_opt() == ddr_modes[i].fab_freq) &&
|
|
(chip_board_rev == ddr_modes[i].chip_board_rev))
|
|
return &ddr_modes[i];
|
|
}
|
|
|
|
return &ddr_modes[0];
|
|
}
|
|
|
|
#ifdef DUNIT_STATIC
|
|
/*
|
|
* Name: ddr3_static_mc_init - Init Memory controller with static parameters
|
|
* Desc: Use this routine to init the controller without the HW training
|
|
* procedure
|
|
* User must provide compatible header file with registers data.
|
|
* Args: None.
|
|
* Notes:
|
|
* Returns: None.
|
|
*/
|
|
void ddr3_static_mc_init(void)
|
|
{
|
|
MV_DRAM_MODES *ddr_mode;
|
|
u32 reg;
|
|
int j;
|
|
|
|
ddr_mode = ddr3_get_static_ddr_mode();
|
|
j = 0;
|
|
while (ddr_mode->regs[j].reg_addr != 0) {
|
|
reg_write(ddr_mode->regs[j].reg_addr,
|
|
ddr_mode->regs[j].reg_value);
|
|
if (ddr_mode->regs[j].reg_addr ==
|
|
REG_PHY_REGISTRY_FILE_ACCESS_ADDR)
|
|
do {
|
|
reg = reg_read(REG_PHY_REGISTRY_FILE_ACCESS_ADDR) &
|
|
REG_PHY_REGISTRY_FILE_ACCESS_OP_DONE;
|
|
} while (reg);
|
|
j++;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Name: ddr3_check_config - Check user configurations: ECC/MultiCS
|
|
* Desc:
|
|
* Args: twsi Address
|
|
* Notes: Only Available for ArmadaXP/Armada 370 DB boards
|
|
* Returns: None.
|
|
*/
|
|
int ddr3_check_config(struct udevice *udev, MV_CONFIG_TYPE config_type)
|
|
{
|
|
#ifdef AUTO_DETECTION_SUPPORT
|
|
u8 data = 0;
|
|
int ret;
|
|
int offset;
|
|
|
|
if ((config_type == CONFIG_ECC) || (config_type == CONFIG_BUS_WIDTH))
|
|
offset = 1;
|
|
else
|
|
offset = 0;
|
|
|
|
ret = dm_i2c_read(udev, offset, &data, 1);
|
|
if (!ret) {
|
|
switch (config_type) {
|
|
case CONFIG_ECC:
|
|
if (data & 0x2)
|
|
return 1;
|
|
break;
|
|
case CONFIG_BUS_WIDTH:
|
|
if (data & 0x1)
|
|
return 1;
|
|
break;
|
|
#ifdef DB_88F6710
|
|
case CONFIG_MULTI_CS:
|
|
if (CFG_MULTI_CS_MODE(data))
|
|
return 1;
|
|
break;
|
|
#else
|
|
case CONFIG_MULTI_CS:
|
|
break;
|
|
#endif
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Name: ddr3_cl_to_valid_cl - this return register matching CL value
|
|
* Desc:
|
|
* Args: clValue - the value
|
|
|
|
* Notes:
|
|
* Returns: required CL value
|
|
*/
|
|
u32 ddr3_cl_to_valid_cl(u32 cl)
|
|
{
|
|
switch (cl) {
|
|
case 5:
|
|
return 2;
|
|
break;
|
|
case 6:
|
|
return 4;
|
|
break;
|
|
case 7:
|
|
return 6;
|
|
break;
|
|
case 8:
|
|
return 8;
|
|
break;
|
|
case 9:
|
|
return 10;
|
|
break;
|
|
case 10:
|
|
return 12;
|
|
break;
|
|
case 11:
|
|
return 14;
|
|
break;
|
|
case 12:
|
|
return 1;
|
|
break;
|
|
case 13:
|
|
return 3;
|
|
break;
|
|
case 14:
|
|
return 5;
|
|
break;
|
|
default:
|
|
return 2;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Name: ddr3_cl_to_valid_cl - this return register matching CL value
|
|
* Desc:
|
|
* Args: clValue - the value
|
|
* Notes:
|
|
* Returns: required CL value
|
|
*/
|
|
u32 ddr3_valid_cl_to_cl(u32 ui_valid_cl)
|
|
{
|
|
switch (ui_valid_cl) {
|
|
case 1:
|
|
return 12;
|
|
break;
|
|
case 2:
|
|
return 5;
|
|
break;
|
|
case 3:
|
|
return 13;
|
|
break;
|
|
case 4:
|
|
return 6;
|
|
break;
|
|
case 5:
|
|
return 14;
|
|
break;
|
|
case 6:
|
|
return 7;
|
|
break;
|
|
case 8:
|
|
return 8;
|
|
break;
|
|
case 10:
|
|
return 9;
|
|
break;
|
|
case 12:
|
|
return 10;
|
|
break;
|
|
case 14:
|
|
return 11;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Name: ddr3_get_cs_num_from_reg
|
|
* Desc:
|
|
* Args:
|
|
* Notes:
|
|
* Returns:
|
|
*/
|
|
u32 ddr3_get_cs_num_from_reg(void)
|
|
{
|
|
u32 cs_ena = ddr3_get_cs_ena_from_reg();
|
|
u32 cs_count = 0;
|
|
u32 cs;
|
|
|
|
for (cs = 0; cs < MAX_CS; cs++) {
|
|
if (cs_ena & (1 << cs))
|
|
cs_count++;
|
|
}
|
|
|
|
return cs_count;
|
|
}
|
|
|
|
/*
|
|
* Name: ddr3_get_cs_ena_from_reg
|
|
* Desc:
|
|
* Args:
|
|
* Notes:
|
|
* Returns:
|
|
*/
|
|
u32 ddr3_get_cs_ena_from_reg(void)
|
|
{
|
|
return reg_read(REG_DDR3_RANK_CTRL_ADDR) &
|
|
REG_DDR3_RANK_CTRL_CS_ENA_MASK;
|
|
}
|
|
|
|
/*
|
|
* mv_ctrl_rev_get - Get Marvell controller device revision number
|
|
*
|
|
* DESCRIPTION:
|
|
* This function returns 8bit describing the device revision as defined
|
|
* in PCI Express Class Code and Revision ID Register.
|
|
*
|
|
* INPUT:
|
|
* None.
|
|
*
|
|
* OUTPUT:
|
|
* None.
|
|
*
|
|
* RETURN:
|
|
* 8bit desscribing Marvell controller revision number
|
|
*
|
|
*/
|
|
#if !defined(MV88F672X)
|
|
u8 mv_ctrl_rev_get(void)
|
|
{
|
|
u8 rev_num;
|
|
|
|
#if defined(MV_INCLUDE_CLK_PWR_CNTRL)
|
|
/* Check pex power state */
|
|
u32 pex_power;
|
|
pex_power = mv_ctrl_pwr_clck_get(PEX_UNIT_ID, 0);
|
|
if (pex_power == 0)
|
|
mv_ctrl_pwr_clck_set(PEX_UNIT_ID, 0, 1);
|
|
#endif
|
|
rev_num = (u8)reg_read(PEX_CFG_DIRECT_ACCESS(0,
|
|
PCI_CLASS_CODE_AND_REVISION_ID));
|
|
|
|
#if defined(MV_INCLUDE_CLK_PWR_CNTRL)
|
|
/* Return to power off state */
|
|
if (pex_power == 0)
|
|
mv_ctrl_pwr_clck_set(PEX_UNIT_ID, 0, 0);
|
|
#endif
|
|
|
|
return (rev_num & PCCRIR_REVID_MASK) >> PCCRIR_REVID_OFFS;
|
|
}
|
|
|
|
#endif
|
|
|
|
#if defined(MV88F672X)
|
|
void get_target_freq(u32 freq_mode, u32 *ddr_freq, u32 *hclk_ps)
|
|
{
|
|
u32 tmp, hclk;
|
|
|
|
switch (freq_mode) {
|
|
case CPU_333MHz_DDR_167MHz_L2_167MHz:
|
|
hclk = 84;
|
|
tmp = DDR_100;
|
|
break;
|
|
case CPU_266MHz_DDR_266MHz_L2_133MHz:
|
|
case CPU_333MHz_DDR_222MHz_L2_167MHz:
|
|
case CPU_400MHz_DDR_200MHz_L2_200MHz:
|
|
case CPU_400MHz_DDR_267MHz_L2_200MHz:
|
|
case CPU_533MHz_DDR_267MHz_L2_267MHz:
|
|
case CPU_500MHz_DDR_250MHz_L2_250MHz:
|
|
case CPU_600MHz_DDR_300MHz_L2_300MHz:
|
|
case CPU_800MHz_DDR_267MHz_L2_400MHz:
|
|
case CPU_900MHz_DDR_300MHz_L2_450MHz:
|
|
tmp = DDR_300;
|
|
hclk = 150;
|
|
break;
|
|
case CPU_333MHz_DDR_333MHz_L2_167MHz:
|
|
case CPU_500MHz_DDR_334MHz_L2_250MHz:
|
|
case CPU_666MHz_DDR_333MHz_L2_333MHz:
|
|
tmp = DDR_333;
|
|
hclk = 165;
|
|
break;
|
|
case CPU_533MHz_DDR_356MHz_L2_267MHz:
|
|
tmp = DDR_360;
|
|
hclk = 180;
|
|
break;
|
|
case CPU_400MHz_DDR_400MHz_L2_200MHz:
|
|
case CPU_600MHz_DDR_400MHz_L2_300MHz:
|
|
case CPU_800MHz_DDR_400MHz_L2_400MHz:
|
|
case CPU_400MHz_DDR_400MHz_L2_400MHz:
|
|
tmp = DDR_400;
|
|
hclk = 200;
|
|
break;
|
|
case CPU_666MHz_DDR_444MHz_L2_333MHz:
|
|
case CPU_900MHz_DDR_450MHz_L2_450MHz:
|
|
tmp = DDR_444;
|
|
hclk = 222;
|
|
break;
|
|
case CPU_500MHz_DDR_500MHz_L2_250MHz:
|
|
case CPU_1000MHz_DDR_500MHz_L2_500MHz:
|
|
case CPU_1000MHz_DDR_500MHz_L2_333MHz:
|
|
tmp = DDR_500;
|
|
hclk = 250;
|
|
break;
|
|
case CPU_533MHz_DDR_533MHz_L2_267MHz:
|
|
case CPU_800MHz_DDR_534MHz_L2_400MHz:
|
|
case CPU_1100MHz_DDR_550MHz_L2_550MHz:
|
|
tmp = DDR_533;
|
|
hclk = 267;
|
|
break;
|
|
case CPU_600MHz_DDR_600MHz_L2_300MHz:
|
|
case CPU_900MHz_DDR_600MHz_L2_450MHz:
|
|
case CPU_1200MHz_DDR_600MHz_L2_600MHz:
|
|
tmp = DDR_600;
|
|
hclk = 300;
|
|
break;
|
|
case CPU_666MHz_DDR_666MHz_L2_333MHz:
|
|
case CPU_1000MHz_DDR_667MHz_L2_500MHz:
|
|
tmp = DDR_666;
|
|
hclk = 333;
|
|
break;
|
|
default:
|
|
*ddr_freq = 0;
|
|
*hclk_ps = 0;
|
|
break;
|
|
}
|
|
|
|
*ddr_freq = tmp; /* DDR freq define */
|
|
*hclk_ps = 1000000 / hclk; /* values are 1/HCLK in ps */
|
|
|
|
return;
|
|
}
|
|
#endif
|