| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * board.c |
| * |
| * Board functions for TCL SL50 board |
| * |
| * Copyright (C) 2011, Texas Instruments, Incorporated - https://www.ti.com/ |
| */ |
| |
| #include <config.h> |
| #include <env.h> |
| #include <errno.h> |
| #include <init.h> |
| #include <net.h> |
| #include <serial.h> |
| #include <spl.h> |
| #include <asm/arch/cpu.h> |
| #include <asm/arch/hardware.h> |
| #include <asm/arch/omap.h> |
| #include <asm/arch/ddr_defs.h> |
| #include <asm/arch/clock.h> |
| #include <asm/arch/gpio.h> |
| #include <asm/arch/mmc_host_def.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/arch/mem.h> |
| #include <asm/global_data.h> |
| #include <asm/io.h> |
| #include <asm/emif.h> |
| #include <asm/gpio.h> |
| #include <i2c.h> |
| #include <miiphy.h> |
| #include <cpsw.h> |
| #include <power/tps65217.h> |
| #include <power/tps65910.h> |
| #include <env_internal.h> |
| #include <watchdog.h> |
| #include "board.h" |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; |
| |
| #if !CONFIG_IS_ENABLED(SKIP_LOWLEVEL_INIT) |
| |
| static const struct ddr_data ddr3_sl50_data = { |
| .datardsratio0 = MT41K256M16HA125E_RD_DQS, |
| .datawdsratio0 = MT41K256M16HA125E_WR_DQS, |
| .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE, |
| .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA, |
| }; |
| |
| static const struct cmd_control ddr3_sl50_cmd_ctrl_data = { |
| .cmd0csratio = MT41K256M16HA125E_RATIO, |
| .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT, |
| |
| .cmd1csratio = MT41K256M16HA125E_RATIO, |
| .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT, |
| |
| .cmd2csratio = MT41K256M16HA125E_RATIO, |
| .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT, |
| }; |
| |
| static struct emif_regs ddr3_sl50_emif_reg_data = { |
| .sdram_config = MT41K256M16HA125E_EMIF_SDCFG, |
| .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF, |
| .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1, |
| .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2, |
| .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3, |
| .zq_config = MT41K256M16HA125E_ZQ_CFG, |
| .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY, |
| }; |
| |
| #ifdef CONFIG_SPL_OS_BOOT |
| int spl_start_uboot(void) |
| { |
| /* break into full u-boot on 'c' */ |
| if (serial_tstc() && serial_getc() == 'c') |
| return 1; |
| |
| #ifdef CONFIG_SPL_ENV_SUPPORT |
| env_init(); |
| env_load(); |
| if (env_get_yesno("boot_os") != 1) |
| return 1; |
| #endif |
| |
| return 0; |
| } |
| #endif |
| |
| #define OSC (V_OSCK/1000000) |
| const struct dpll_params dpll_ddr_sl50 = { |
| 400, OSC-1, 1, -1, -1, -1, -1}; |
| |
| void spl_board_init(void) |
| { |
| int mpu_vdd; |
| |
| /* Get the frequency */ |
| dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev); |
| |
| /* BeagleBone PMIC Code */ |
| int usb_cur_lim; |
| |
| if (i2c_probe(TPS65217_CHIP_PM)) |
| return; |
| |
| /* |
| * Increase USB current limit to 1300mA or 1800mA and set |
| * the MPU voltage controller as needed. |
| */ |
| if (dpll_mpu_opp100.m == MPUPLL_M_1000) { |
| usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA; |
| mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV; |
| } else { |
| usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA; |
| mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV; |
| } |
| |
| if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, |
| TPS65217_POWER_PATH, |
| usb_cur_lim, |
| TPS65217_USB_INPUT_CUR_LIMIT_MASK)) |
| puts("tps65217_reg_write failure\n"); |
| |
| /* Set DCDC3 (CORE) voltage to 1.125V */ |
| if (tps65217_voltage_update(TPS65217_DEFDCDC3, |
| TPS65217_DCDC_VOLT_SEL_1125MV)) { |
| puts("tps65217_voltage_update failure\n"); |
| return; |
| } |
| |
| /* Set CORE Frequencies to OPP100 */ |
| do_setup_dpll(&dpll_core_regs, &dpll_core_opp100); |
| |
| /* Set DCDC2 (MPU) voltage */ |
| if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) { |
| puts("tps65217_voltage_update failure\n"); |
| return; |
| } |
| |
| /* |
| * Set LDO3 to 1.8V and LDO4 to 3.3V |
| */ |
| if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, |
| TPS65217_DEFLS1, |
| TPS65217_LDO_VOLTAGE_OUT_1_8, |
| TPS65217_LDO_MASK)) |
| puts("tps65217_reg_write failure\n"); |
| |
| if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, |
| TPS65217_DEFLS2, |
| TPS65217_LDO_VOLTAGE_OUT_3_3, |
| TPS65217_LDO_MASK)) |
| puts("tps65217_reg_write failure\n"); |
| |
| /* Set MPU Frequency to what we detected now that voltages are set */ |
| do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100); |
| } |
| |
| const struct dpll_params *get_dpll_ddr_params(void) |
| { |
| enable_i2c0_pin_mux(); |
| i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); |
| |
| return &dpll_ddr_sl50; |
| } |
| |
| void set_uart_mux_conf(void) |
| { |
| #if CONFIG_CONS_INDEX == 1 |
| enable_uart0_pin_mux(); |
| #elif CONFIG_CONS_INDEX == 2 |
| enable_uart1_pin_mux(); |
| #elif CONFIG_CONS_INDEX == 3 |
| enable_uart2_pin_mux(); |
| #elif CONFIG_CONS_INDEX == 4 |
| enable_uart3_pin_mux(); |
| #elif CONFIG_CONS_INDEX == 5 |
| enable_uart4_pin_mux(); |
| #elif CONFIG_CONS_INDEX == 6 |
| enable_uart5_pin_mux(); |
| #endif |
| } |
| |
| void set_mux_conf_regs(void) |
| { |
| enable_board_pin_mux(); |
| } |
| |
| const struct ctrl_ioregs ioregs_evmsk = { |
| .cm0ioctl = MT41J128MJT125_IOCTRL_VALUE, |
| .cm1ioctl = MT41J128MJT125_IOCTRL_VALUE, |
| .cm2ioctl = MT41J128MJT125_IOCTRL_VALUE, |
| .dt0ioctl = MT41J128MJT125_IOCTRL_VALUE, |
| .dt1ioctl = MT41J128MJT125_IOCTRL_VALUE, |
| }; |
| |
| const struct ctrl_ioregs ioregs_bonelt = { |
| .cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE, |
| .cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE, |
| .cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE, |
| .dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE, |
| .dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE, |
| }; |
| |
| const struct ctrl_ioregs ioregs_evm15 = { |
| .cm0ioctl = MT41J512M8RH125_IOCTRL_VALUE, |
| .cm1ioctl = MT41J512M8RH125_IOCTRL_VALUE, |
| .cm2ioctl = MT41J512M8RH125_IOCTRL_VALUE, |
| .dt0ioctl = MT41J512M8RH125_IOCTRL_VALUE, |
| .dt1ioctl = MT41J512M8RH125_IOCTRL_VALUE, |
| }; |
| |
| const struct ctrl_ioregs ioregs = { |
| .cm0ioctl = MT47H128M16RT25E_IOCTRL_VALUE, |
| .cm1ioctl = MT47H128M16RT25E_IOCTRL_VALUE, |
| .cm2ioctl = MT47H128M16RT25E_IOCTRL_VALUE, |
| .dt0ioctl = MT47H128M16RT25E_IOCTRL_VALUE, |
| .dt1ioctl = MT47H128M16RT25E_IOCTRL_VALUE, |
| }; |
| |
| void sdram_init(void) |
| { |
| config_ddr(400, &ioregs_bonelt, |
| &ddr3_sl50_data, |
| &ddr3_sl50_cmd_ctrl_data, |
| &ddr3_sl50_emif_reg_data, 0); |
| } |
| #endif |
| |
| /* |
| * Basic board specific setup. Pinmux has been handled already. |
| */ |
| int board_init(void) |
| { |
| #if defined(CONFIG_HW_WATCHDOG) |
| hw_watchdog_init(); |
| #endif |
| |
| gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE + 0x100; |
| return 0; |
| } |
| |
| #ifdef CONFIG_BOARD_LATE_INIT |
| int board_late_init(void) |
| { |
| return 0; |
| } |
| #endif |
| |
| #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_XPL_BUILD)) || \ |
| (defined(CONFIG_SPL_ETH) && defined(CONFIG_XPL_BUILD)) |
| static void cpsw_control(int enabled) |
| { |
| /* VTP can be added here */ |
| |
| return; |
| } |
| |
| static struct cpsw_slave_data cpsw_slaves[] = { |
| { |
| .slave_reg_ofs = 0x208, |
| .sliver_reg_ofs = 0xd80, |
| .phy_addr = 0, |
| }, |
| { |
| .slave_reg_ofs = 0x308, |
| .sliver_reg_ofs = 0xdc0, |
| .phy_addr = 1, |
| }, |
| }; |
| |
| static struct cpsw_platform_data cpsw_data = { |
| .mdio_base = CPSW_MDIO_BASE, |
| .cpsw_base = CPSW_BASE, |
| .mdio_div = 0xff, |
| .channels = 8, |
| .cpdma_reg_ofs = 0x800, |
| .slaves = 1, |
| .slave_data = cpsw_slaves, |
| .ale_reg_ofs = 0xd00, |
| .ale_entries = 1024, |
| .host_port_reg_ofs = 0x108, |
| .hw_stats_reg_ofs = 0x900, |
| .bd_ram_ofs = 0x2000, |
| .mac_control = (1 << 5), |
| .control = cpsw_control, |
| .host_port_num = 0, |
| .version = CPSW_CTRL_VERSION_2, |
| }; |
| #endif |
| |
| /* |
| * This function will: |
| * Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr |
| * in the environment |
| * Perform fixups to the PHY present on certain boards. We only need this |
| * function in: |
| * - SPL with either CPSW or USB ethernet support |
| * - Full U-Boot, with either CPSW or USB ethernet |
| * Build in only these cases to avoid warnings about unused variables |
| * when we build an SPL that has neither option but full U-Boot will. |
| */ |
| #if ((defined(CONFIG_SPL_ETH) || defined(CONFIG_SPL_USB_ETHER)) \ |
| && defined(CONFIG_XPL_BUILD)) || \ |
| ((defined(CONFIG_DRIVER_TI_CPSW) || \ |
| defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \ |
| !defined(CONFIG_XPL_BUILD)) |
| int board_eth_init(struct bd_info *bis) |
| { |
| int rv, n = 0; |
| uint8_t mac_addr[6]; |
| uint32_t mac_hi, mac_lo; |
| |
| /* try reading mac address from efuse */ |
| mac_lo = readl(&cdev->macid0l); |
| mac_hi = readl(&cdev->macid0h); |
| mac_addr[0] = mac_hi & 0xFF; |
| mac_addr[1] = (mac_hi & 0xFF00) >> 8; |
| mac_addr[2] = (mac_hi & 0xFF0000) >> 16; |
| mac_addr[3] = (mac_hi & 0xFF000000) >> 24; |
| mac_addr[4] = mac_lo & 0xFF; |
| mac_addr[5] = (mac_lo & 0xFF00) >> 8; |
| |
| #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_XPL_BUILD)) || \ |
| (defined(CONFIG_SPL_ETH) && defined(CONFIG_XPL_BUILD)) |
| if (!env_get("ethaddr")) { |
| printf("<ethaddr> not set. Validating first E-fuse MAC\n"); |
| |
| if (is_valid_ethaddr(mac_addr)) |
| eth_env_set_enetaddr("ethaddr", mac_addr); |
| } |
| |
| #ifdef CONFIG_DRIVER_TI_CPSW |
| |
| mac_lo = readl(&cdev->macid1l); |
| mac_hi = readl(&cdev->macid1h); |
| mac_addr[0] = mac_hi & 0xFF; |
| mac_addr[1] = (mac_hi & 0xFF00) >> 8; |
| mac_addr[2] = (mac_hi & 0xFF0000) >> 16; |
| mac_addr[3] = (mac_hi & 0xFF000000) >> 24; |
| mac_addr[4] = mac_lo & 0xFF; |
| mac_addr[5] = (mac_lo & 0xFF00) >> 8; |
| |
| if (!env_get("eth1addr")) { |
| if (is_valid_ethaddr(mac_addr)) |
| eth_env_set_enetaddr("eth1addr", mac_addr); |
| } |
| |
| writel(MII_MODE_ENABLE, &cdev->miisel); |
| cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if = |
| PHY_INTERFACE_MODE_MII; |
| |
| rv = cpsw_register(&cpsw_data); |
| if (rv < 0) |
| printf("Error %d registering CPSW switch\n", rv); |
| else |
| n += rv; |
| #endif |
| |
| /* |
| * |
| * CPSW RGMII Internal Delay Mode is not supported in all PVT |
| * operating points. So we must set the TX clock delay feature |
| * in the AR8051 PHY. Since we only support a single ethernet |
| * device in U-Boot, we only do this for the first instance. |
| */ |
| #define AR8051_PHY_DEBUG_ADDR_REG 0x1d |
| #define AR8051_PHY_DEBUG_DATA_REG 0x1e |
| #define AR8051_DEBUG_RGMII_CLK_DLY_REG 0x5 |
| #define AR8051_RGMII_TX_CLK_DLY 0x100 |
| |
| #endif |
| #if defined(CONFIG_USB_ETHER) && \ |
| (!defined(CONFIG_XPL_BUILD) || defined(CONFIG_SPL_USB_ETHER)) |
| if (is_valid_ether_addr(mac_addr)) |
| eth_env_set_enetaddr("usbnet_devaddr", mac_addr); |
| |
| rv = usb_eth_initialize(bis); |
| if (rv < 0) |
| printf("Error %d registering USB_ETHER\n", rv); |
| else |
| n += rv; |
| #endif |
| return n; |
| } |
| #endif |