386 lines
9.6 KiB
C
386 lines
9.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* board.c
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*
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* Board functions for TCL SL50 board
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*
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* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
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*/
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#include <common.h>
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#include <errno.h>
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#include <spl.h>
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#include <asm/arch/cpu.h>
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#include <asm/arch/hardware.h>
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#include <asm/arch/omap.h>
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#include <asm/arch/ddr_defs.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/mmc_host_def.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/arch/mem.h>
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#include <asm/io.h>
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#include <asm/emif.h>
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#include <asm/gpio.h>
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#include <i2c.h>
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#include <miiphy.h>
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#include <cpsw.h>
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#include <power/tps65217.h>
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#include <power/tps65910.h>
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#include <environment.h>
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#include <watchdog.h>
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#include <environment.h>
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#include "board.h"
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DECLARE_GLOBAL_DATA_PTR;
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static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
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#ifndef CONFIG_SKIP_LOWLEVEL_INIT
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static const struct ddr_data ddr3_sl50_data = {
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.datardsratio0 = MT41K256M16HA125E_RD_DQS,
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.datawdsratio0 = MT41K256M16HA125E_WR_DQS,
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.datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
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.datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
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};
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static const struct cmd_control ddr3_sl50_cmd_ctrl_data = {
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.cmd0csratio = MT41K256M16HA125E_RATIO,
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.cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
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.cmd1csratio = MT41K256M16HA125E_RATIO,
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.cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
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.cmd2csratio = MT41K256M16HA125E_RATIO,
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.cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
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};
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static struct emif_regs ddr3_sl50_emif_reg_data = {
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.sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
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.ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
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.sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
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.sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
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.sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
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.zq_config = MT41K256M16HA125E_ZQ_CFG,
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.emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
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};
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#ifdef CONFIG_SPL_OS_BOOT
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int spl_start_uboot(void)
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{
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/* break into full u-boot on 'c' */
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if (serial_tstc() && serial_getc() == 'c')
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return 1;
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#ifdef CONFIG_SPL_ENV_SUPPORT
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env_init();
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env_load();
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if (env_get_yesno("boot_os") != 1)
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return 1;
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#endif
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return 0;
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}
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#endif
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#define OSC (V_OSCK/1000000)
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const struct dpll_params dpll_ddr_sl50 = {
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400, OSC-1, 1, -1, -1, -1, -1};
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void am33xx_spl_board_init(void)
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{
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int mpu_vdd;
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/* Get the frequency */
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dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
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/* BeagleBone PMIC Code */
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int usb_cur_lim;
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if (i2c_probe(TPS65217_CHIP_PM))
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return;
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/*
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* Increase USB current limit to 1300mA or 1800mA and set
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* the MPU voltage controller as needed.
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*/
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if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
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usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
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mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
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} else {
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usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
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mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
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}
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if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
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TPS65217_POWER_PATH,
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usb_cur_lim,
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TPS65217_USB_INPUT_CUR_LIMIT_MASK))
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puts("tps65217_reg_write failure\n");
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/* Set DCDC3 (CORE) voltage to 1.125V */
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if (tps65217_voltage_update(TPS65217_DEFDCDC3,
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TPS65217_DCDC_VOLT_SEL_1125MV)) {
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puts("tps65217_voltage_update failure\n");
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return;
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}
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/* Set CORE Frequencies to OPP100 */
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do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
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/* Set DCDC2 (MPU) voltage */
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if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
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puts("tps65217_voltage_update failure\n");
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return;
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}
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/*
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* Set LDO3 to 1.8V and LDO4 to 3.3V
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*/
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if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
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TPS65217_DEFLS1,
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TPS65217_LDO_VOLTAGE_OUT_1_8,
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TPS65217_LDO_MASK))
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puts("tps65217_reg_write failure\n");
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if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
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TPS65217_DEFLS2,
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TPS65217_LDO_VOLTAGE_OUT_3_3,
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TPS65217_LDO_MASK))
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puts("tps65217_reg_write failure\n");
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/* Set MPU Frequency to what we detected now that voltages are set */
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do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
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}
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const struct dpll_params *get_dpll_ddr_params(void)
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{
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enable_i2c0_pin_mux();
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i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
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return &dpll_ddr_sl50;
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}
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void set_uart_mux_conf(void)
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{
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#if CONFIG_CONS_INDEX == 1
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enable_uart0_pin_mux();
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#elif CONFIG_CONS_INDEX == 2
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enable_uart1_pin_mux();
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#elif CONFIG_CONS_INDEX == 3
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enable_uart2_pin_mux();
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#elif CONFIG_CONS_INDEX == 4
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enable_uart3_pin_mux();
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#elif CONFIG_CONS_INDEX == 5
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enable_uart4_pin_mux();
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#elif CONFIG_CONS_INDEX == 6
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enable_uart5_pin_mux();
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#endif
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}
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void set_mux_conf_regs(void)
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{
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enable_board_pin_mux();
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}
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const struct ctrl_ioregs ioregs_evmsk = {
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.cm0ioctl = MT41J128MJT125_IOCTRL_VALUE,
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.cm1ioctl = MT41J128MJT125_IOCTRL_VALUE,
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.cm2ioctl = MT41J128MJT125_IOCTRL_VALUE,
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.dt0ioctl = MT41J128MJT125_IOCTRL_VALUE,
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.dt1ioctl = MT41J128MJT125_IOCTRL_VALUE,
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};
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const struct ctrl_ioregs ioregs_bonelt = {
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.cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
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.cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
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.cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
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.dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
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.dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
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};
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const struct ctrl_ioregs ioregs_evm15 = {
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.cm0ioctl = MT41J512M8RH125_IOCTRL_VALUE,
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.cm1ioctl = MT41J512M8RH125_IOCTRL_VALUE,
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.cm2ioctl = MT41J512M8RH125_IOCTRL_VALUE,
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.dt0ioctl = MT41J512M8RH125_IOCTRL_VALUE,
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.dt1ioctl = MT41J512M8RH125_IOCTRL_VALUE,
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};
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const struct ctrl_ioregs ioregs = {
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.cm0ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
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.cm1ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
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.cm2ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
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.dt0ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
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.dt1ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
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};
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void sdram_init(void)
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{
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config_ddr(400, &ioregs_bonelt,
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&ddr3_sl50_data,
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&ddr3_sl50_cmd_ctrl_data,
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&ddr3_sl50_emif_reg_data, 0);
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}
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#endif
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/*
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* Basic board specific setup. Pinmux has been handled already.
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*/
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int board_init(void)
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{
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#if defined(CONFIG_HW_WATCHDOG)
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hw_watchdog_init();
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#endif
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
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return 0;
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}
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#ifdef CONFIG_BOARD_LATE_INIT
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int board_late_init(void)
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{
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return 0;
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}
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#endif
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#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
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(defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
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static void cpsw_control(int enabled)
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{
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/* VTP can be added here */
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return;
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}
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static struct cpsw_slave_data cpsw_slaves[] = {
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{
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.slave_reg_ofs = 0x208,
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.sliver_reg_ofs = 0xd80,
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.phy_addr = 0,
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},
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{
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.slave_reg_ofs = 0x308,
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.sliver_reg_ofs = 0xdc0,
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.phy_addr = 1,
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},
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};
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static struct cpsw_platform_data cpsw_data = {
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.mdio_base = CPSW_MDIO_BASE,
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.cpsw_base = CPSW_BASE,
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.mdio_div = 0xff,
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.channels = 8,
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.cpdma_reg_ofs = 0x800,
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.slaves = 1,
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.slave_data = cpsw_slaves,
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.ale_reg_ofs = 0xd00,
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.ale_entries = 1024,
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.host_port_reg_ofs = 0x108,
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.hw_stats_reg_ofs = 0x900,
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.bd_ram_ofs = 0x2000,
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.mac_control = (1 << 5),
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.control = cpsw_control,
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.host_port_num = 0,
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.version = CPSW_CTRL_VERSION_2,
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};
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#endif
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/*
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* This function will:
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* Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr
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* in the environment
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* Perform fixups to the PHY present on certain boards. We only need this
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* function in:
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* - SPL with either CPSW or USB ethernet support
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* - Full U-Boot, with either CPSW or USB ethernet
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* Build in only these cases to avoid warnings about unused variables
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* when we build an SPL that has neither option but full U-Boot will.
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*/
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#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USB_ETHER)) \
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&& defined(CONFIG_SPL_BUILD)) || \
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((defined(CONFIG_DRIVER_TI_CPSW) || \
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defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \
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!defined(CONFIG_SPL_BUILD))
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int board_eth_init(bd_t *bis)
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{
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int rv, n = 0;
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uint8_t mac_addr[6];
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uint32_t mac_hi, mac_lo;
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/* try reading mac address from efuse */
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mac_lo = readl(&cdev->macid0l);
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mac_hi = readl(&cdev->macid0h);
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mac_addr[0] = mac_hi & 0xFF;
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mac_addr[1] = (mac_hi & 0xFF00) >> 8;
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mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
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mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
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mac_addr[4] = mac_lo & 0xFF;
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mac_addr[5] = (mac_lo & 0xFF00) >> 8;
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#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
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(defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
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if (!env_get("ethaddr")) {
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printf("<ethaddr> not set. Validating first E-fuse MAC\n");
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if (is_valid_ethaddr(mac_addr))
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eth_env_set_enetaddr("ethaddr", mac_addr);
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}
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#ifdef CONFIG_DRIVER_TI_CPSW
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mac_lo = readl(&cdev->macid1l);
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mac_hi = readl(&cdev->macid1h);
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mac_addr[0] = mac_hi & 0xFF;
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mac_addr[1] = (mac_hi & 0xFF00) >> 8;
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mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
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mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
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mac_addr[4] = mac_lo & 0xFF;
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mac_addr[5] = (mac_lo & 0xFF00) >> 8;
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if (!env_get("eth1addr")) {
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if (is_valid_ethaddr(mac_addr))
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eth_env_set_enetaddr("eth1addr", mac_addr);
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}
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writel(MII_MODE_ENABLE, &cdev->miisel);
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cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
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PHY_INTERFACE_MODE_MII;
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rv = cpsw_register(&cpsw_data);
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if (rv < 0)
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printf("Error %d registering CPSW switch\n", rv);
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else
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n += rv;
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#endif
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/*
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*
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* CPSW RGMII Internal Delay Mode is not supported in all PVT
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* operating points. So we must set the TX clock delay feature
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* in the AR8051 PHY. Since we only support a single ethernet
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* device in U-Boot, we only do this for the first instance.
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*/
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#define AR8051_PHY_DEBUG_ADDR_REG 0x1d
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#define AR8051_PHY_DEBUG_DATA_REG 0x1e
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#define AR8051_DEBUG_RGMII_CLK_DLY_REG 0x5
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#define AR8051_RGMII_TX_CLK_DLY 0x100
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#endif
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#if defined(CONFIG_USB_ETHER) && \
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(!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USB_ETHER))
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if (is_valid_ether_addr(mac_addr))
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eth_env_set_enetaddr("usbnet_devaddr", mac_addr);
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rv = usb_eth_initialize(bis);
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if (rv < 0)
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printf("Error %d registering USB_ETHER\n", rv);
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else
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n += rv;
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#endif
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return n;
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}
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#endif
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