| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * board.c |
| * |
| * Board functions for TI AM43XX based boards |
| * |
| * Copyright (C) 2013, Texas Instruments, Incorporated - http://www.ti.com/ |
| */ |
| |
| #include <common.h> |
| #include <eeprom.h> |
| #include <image.h> |
| #include <asm/global_data.h> |
| #include <dm/uclass.h> |
| #include <env.h> |
| #include <fdt_support.h> |
| #include <i2c.h> |
| #include <init.h> |
| #include <net.h> |
| #include <linux/errno.h> |
| #include <spl.h> |
| #include <usb.h> |
| #include <asm/omap_sec_common.h> |
| #include <asm/arch/clock.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/arch/mux.h> |
| #include <asm/arch/ddr_defs.h> |
| #include <asm/arch/gpio.h> |
| #include <asm/emif.h> |
| #include <asm/omap_common.h> |
| #include "../common/board_detect.h" |
| #include "board.h" |
| #include <power/pmic.h> |
| #include <power/tps65218.h> |
| #include <power/tps62362.h> |
| #include <linux/usb/gadget.h> |
| #include <dwc3-uboot.h> |
| #include <dwc3-omap-uboot.h> |
| #include <ti-usb-phy-uboot.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; |
| |
| /* |
| * Read header information from EEPROM into global structure. |
| */ |
| #ifdef CONFIG_TI_I2C_BOARD_DETECT |
| void do_board_detect(void) |
| { |
| /* Ensure I2C is initialized for EEPROM access*/ |
| gpi2c_init(); |
| if (ti_i2c_eeprom_am_get(CONFIG_EEPROM_BUS_ADDRESS, |
| CONFIG_EEPROM_CHIP_ADDRESS)) |
| printf("ti_i2c_eeprom_init failed\n"); |
| } |
| #endif |
| |
| #ifndef CONFIG_SKIP_LOWLEVEL_INIT |
| |
| const struct dpll_params dpll_mpu[NUM_CRYSTAL_FREQ][NUM_OPPS] = { |
| { /* 19.2 MHz */ |
| {125, 3, 2, -1, -1, -1, -1}, /* OPP 50 */ |
| {-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */ |
| {125, 3, 1, -1, -1, -1, -1}, /* OPP 100 */ |
| {150, 3, 1, -1, -1, -1, -1}, /* OPP 120 */ |
| {125, 2, 1, -1, -1, -1, -1}, /* OPP TB */ |
| {625, 11, 1, -1, -1, -1, -1} /* OPP NT */ |
| }, |
| { /* 24 MHz */ |
| {300, 23, 1, -1, -1, -1, -1}, /* OPP 50 */ |
| {-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */ |
| {600, 23, 1, -1, -1, -1, -1}, /* OPP 100 */ |
| {720, 23, 1, -1, -1, -1, -1}, /* OPP 120 */ |
| {800, 23, 1, -1, -1, -1, -1}, /* OPP TB */ |
| {1000, 23, 1, -1, -1, -1, -1} /* OPP NT */ |
| }, |
| { /* 25 MHz */ |
| {300, 24, 1, -1, -1, -1, -1}, /* OPP 50 */ |
| {-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */ |
| {600, 24, 1, -1, -1, -1, -1}, /* OPP 100 */ |
| {720, 24, 1, -1, -1, -1, -1}, /* OPP 120 */ |
| {800, 24, 1, -1, -1, -1, -1}, /* OPP TB */ |
| {1000, 24, 1, -1, -1, -1, -1} /* OPP NT */ |
| }, |
| { /* 26 MHz */ |
| {300, 25, 1, -1, -1, -1, -1}, /* OPP 50 */ |
| {-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */ |
| {600, 25, 1, -1, -1, -1, -1}, /* OPP 100 */ |
| {720, 25, 1, -1, -1, -1, -1}, /* OPP 120 */ |
| {800, 25, 1, -1, -1, -1, -1}, /* OPP TB */ |
| {1000, 25, 1, -1, -1, -1, -1} /* OPP NT */ |
| }, |
| }; |
| |
| const struct dpll_params dpll_core[NUM_CRYSTAL_FREQ] = { |
| {625, 11, -1, -1, 10, 8, 4}, /* 19.2 MHz */ |
| {1000, 23, -1, -1, 10, 8, 4}, /* 24 MHz */ |
| {1000, 24, -1, -1, 10, 8, 4}, /* 25 MHz */ |
| {1000, 25, -1, -1, 10, 8, 4} /* 26 MHz */ |
| }; |
| |
| const struct dpll_params dpll_per[NUM_CRYSTAL_FREQ] = { |
| {400, 7, 5, -1, -1, -1, -1}, /* 19.2 MHz */ |
| {400, 9, 5, -1, -1, -1, -1}, /* 24 MHz */ |
| {384, 9, 5, -1, -1, -1, -1}, /* 25 MHz */ |
| {480, 12, 5, -1, -1, -1, -1} /* 26 MHz */ |
| }; |
| |
| const struct dpll_params epos_evm_dpll_ddr[NUM_CRYSTAL_FREQ] = { |
| {665, 47, 1, -1, 4, -1, -1}, /*19.2*/ |
| {133, 11, 1, -1, 4, -1, -1}, /* 24 MHz */ |
| {266, 24, 1, -1, 4, -1, -1}, /* 25 MHz */ |
| {133, 12, 1, -1, 4, -1, -1} /* 26 MHz */ |
| }; |
| |
| const struct dpll_params gp_evm_dpll_ddr = { |
| 50, 2, 1, -1, 2, -1, -1}; |
| |
| static const struct dpll_params idk_dpll_ddr = { |
| 400, 23, 1, -1, 2, -1, -1 |
| }; |
| |
| static const u32 ext_phy_ctrl_const_base_lpddr2[] = { |
| 0x00500050, |
| 0x00350035, |
| 0x00350035, |
| 0x00350035, |
| 0x00350035, |
| 0x00350035, |
| 0x00000000, |
| 0x00000000, |
| 0x00000000, |
| 0x00000000, |
| 0x00000000, |
| 0x00000000, |
| 0x00000000, |
| 0x00000000, |
| 0x00000000, |
| 0x00000000, |
| 0x00000000, |
| 0x00000000, |
| 0x40001000, |
| 0x08102040 |
| }; |
| |
| const struct ctrl_ioregs ioregs_lpddr2 = { |
| .cm0ioctl = LPDDR2_ADDRCTRL_IOCTRL_VALUE, |
| .cm1ioctl = LPDDR2_ADDRCTRL_WD0_IOCTRL_VALUE, |
| .cm2ioctl = LPDDR2_ADDRCTRL_WD1_IOCTRL_VALUE, |
| .dt0ioctl = LPDDR2_DATA0_IOCTRL_VALUE, |
| .dt1ioctl = LPDDR2_DATA0_IOCTRL_VALUE, |
| .dt2ioctrl = LPDDR2_DATA0_IOCTRL_VALUE, |
| .dt3ioctrl = LPDDR2_DATA0_IOCTRL_VALUE, |
| .emif_sdram_config_ext = 0x1, |
| }; |
| |
| const struct emif_regs emif_regs_lpddr2 = { |
| .sdram_config = 0x808012BA, |
| .ref_ctrl = 0x0000040D, |
| .sdram_tim1 = 0xEA86B411, |
| .sdram_tim2 = 0x103A094A, |
| .sdram_tim3 = 0x0F6BA37F, |
| .read_idle_ctrl = 0x00050000, |
| .zq_config = 0x50074BE4, |
| .temp_alert_config = 0x0, |
| .emif_rd_wr_lvl_rmp_win = 0x0, |
| .emif_rd_wr_lvl_rmp_ctl = 0x0, |
| .emif_rd_wr_lvl_ctl = 0x0, |
| .emif_ddr_phy_ctlr_1 = 0x0E284006, |
| .emif_rd_wr_exec_thresh = 0x80000405, |
| .emif_ddr_ext_phy_ctrl_1 = 0x04010040, |
| .emif_ddr_ext_phy_ctrl_2 = 0x00500050, |
| .emif_ddr_ext_phy_ctrl_3 = 0x00500050, |
| .emif_ddr_ext_phy_ctrl_4 = 0x00500050, |
| .emif_ddr_ext_phy_ctrl_5 = 0x00500050, |
| .emif_prio_class_serv_map = 0x80000001, |
| .emif_connect_id_serv_1_map = 0x80000094, |
| .emif_connect_id_serv_2_map = 0x00000000, |
| .emif_cos_config = 0x000FFFFF |
| }; |
| |
| const struct ctrl_ioregs ioregs_ddr3 = { |
| .cm0ioctl = DDR3_ADDRCTRL_IOCTRL_VALUE, |
| .cm1ioctl = DDR3_ADDRCTRL_WD0_IOCTRL_VALUE, |
| .cm2ioctl = DDR3_ADDRCTRL_WD1_IOCTRL_VALUE, |
| .dt0ioctl = DDR3_DATA0_IOCTRL_VALUE, |
| .dt1ioctl = DDR3_DATA0_IOCTRL_VALUE, |
| .dt2ioctrl = DDR3_DATA0_IOCTRL_VALUE, |
| .dt3ioctrl = DDR3_DATA0_IOCTRL_VALUE, |
| .emif_sdram_config_ext = 0xc163, |
| }; |
| |
| const struct emif_regs ddr3_emif_regs_400Mhz = { |
| .sdram_config = 0x638413B2, |
| .ref_ctrl = 0x00000C30, |
| .sdram_tim1 = 0xEAAAD4DB, |
| .sdram_tim2 = 0x266B7FDA, |
| .sdram_tim3 = 0x107F8678, |
| .read_idle_ctrl = 0x00050000, |
| .zq_config = 0x50074BE4, |
| .temp_alert_config = 0x0, |
| .emif_ddr_phy_ctlr_1 = 0x0E004008, |
| .emif_ddr_ext_phy_ctrl_1 = 0x08020080, |
| .emif_ddr_ext_phy_ctrl_2 = 0x00400040, |
| .emif_ddr_ext_phy_ctrl_3 = 0x00400040, |
| .emif_ddr_ext_phy_ctrl_4 = 0x00400040, |
| .emif_ddr_ext_phy_ctrl_5 = 0x00400040, |
| .emif_rd_wr_lvl_rmp_win = 0x0, |
| .emif_rd_wr_lvl_rmp_ctl = 0x0, |
| .emif_rd_wr_lvl_ctl = 0x0, |
| .emif_rd_wr_exec_thresh = 0x80000405, |
| .emif_prio_class_serv_map = 0x80000001, |
| .emif_connect_id_serv_1_map = 0x80000094, |
| .emif_connect_id_serv_2_map = 0x00000000, |
| .emif_cos_config = 0x000FFFFF |
| }; |
| |
| /* EMIF DDR3 Configurations are different for beta AM43X GP EVMs */ |
| const struct emif_regs ddr3_emif_regs_400Mhz_beta = { |
| .sdram_config = 0x638413B2, |
| .ref_ctrl = 0x00000C30, |
| .sdram_tim1 = 0xEAAAD4DB, |
| .sdram_tim2 = 0x266B7FDA, |
| .sdram_tim3 = 0x107F8678, |
| .read_idle_ctrl = 0x00050000, |
| .zq_config = 0x50074BE4, |
| .temp_alert_config = 0x0, |
| .emif_ddr_phy_ctlr_1 = 0x0E004008, |
| .emif_ddr_ext_phy_ctrl_1 = 0x08020080, |
| .emif_ddr_ext_phy_ctrl_2 = 0x00000065, |
| .emif_ddr_ext_phy_ctrl_3 = 0x00000091, |
| .emif_ddr_ext_phy_ctrl_4 = 0x000000B5, |
| .emif_ddr_ext_phy_ctrl_5 = 0x000000E5, |
| .emif_rd_wr_exec_thresh = 0x80000405, |
| .emif_prio_class_serv_map = 0x80000001, |
| .emif_connect_id_serv_1_map = 0x80000094, |
| .emif_connect_id_serv_2_map = 0x00000000, |
| .emif_cos_config = 0x000FFFFF |
| }; |
| |
| /* EMIF DDR3 Configurations are different for production AM43X GP EVMs */ |
| const struct emif_regs ddr3_emif_regs_400Mhz_production = { |
| .sdram_config = 0x638413B2, |
| .ref_ctrl = 0x00000C30, |
| .sdram_tim1 = 0xEAAAD4DB, |
| .sdram_tim2 = 0x266B7FDA, |
| .sdram_tim3 = 0x107F8678, |
| .read_idle_ctrl = 0x00050000, |
| .zq_config = 0x50074BE4, |
| .temp_alert_config = 0x0, |
| .emif_ddr_phy_ctlr_1 = 0x00048008, |
| .emif_ddr_ext_phy_ctrl_1 = 0x08020080, |
| .emif_ddr_ext_phy_ctrl_2 = 0x00000066, |
| .emif_ddr_ext_phy_ctrl_3 = 0x00000091, |
| .emif_ddr_ext_phy_ctrl_4 = 0x000000B9, |
| .emif_ddr_ext_phy_ctrl_5 = 0x000000E6, |
| .emif_rd_wr_exec_thresh = 0x80000405, |
| .emif_prio_class_serv_map = 0x80000001, |
| .emif_connect_id_serv_1_map = 0x80000094, |
| .emif_connect_id_serv_2_map = 0x00000000, |
| .emif_cos_config = 0x000FFFFF |
| }; |
| |
| static const struct emif_regs ddr3_sk_emif_regs_400Mhz = { |
| .sdram_config = 0x638413b2, |
| .sdram_config2 = 0x00000000, |
| .ref_ctrl = 0x00000c30, |
| .sdram_tim1 = 0xeaaad4db, |
| .sdram_tim2 = 0x266b7fda, |
| .sdram_tim3 = 0x107f8678, |
| .read_idle_ctrl = 0x00050000, |
| .zq_config = 0x50074be4, |
| .temp_alert_config = 0x0, |
| .emif_ddr_phy_ctlr_1 = 0x0e084008, |
| .emif_ddr_ext_phy_ctrl_1 = 0x08020080, |
| .emif_ddr_ext_phy_ctrl_2 = 0x89, |
| .emif_ddr_ext_phy_ctrl_3 = 0x90, |
| .emif_ddr_ext_phy_ctrl_4 = 0x8e, |
| .emif_ddr_ext_phy_ctrl_5 = 0x8d, |
| .emif_rd_wr_lvl_rmp_win = 0x0, |
| .emif_rd_wr_lvl_rmp_ctl = 0x00000000, |
| .emif_rd_wr_lvl_ctl = 0x00000000, |
| .emif_rd_wr_exec_thresh = 0x80000000, |
| .emif_prio_class_serv_map = 0x80000001, |
| .emif_connect_id_serv_1_map = 0x80000094, |
| .emif_connect_id_serv_2_map = 0x00000000, |
| .emif_cos_config = 0x000FFFFF |
| }; |
| |
| static const struct emif_regs ddr3_idk_emif_regs_400Mhz = { |
| .sdram_config = 0x61a11b32, |
| .sdram_config2 = 0x00000000, |
| .ref_ctrl = 0x00000c30, |
| .sdram_tim1 = 0xeaaad4db, |
| .sdram_tim2 = 0x266b7fda, |
| .sdram_tim3 = 0x107f8678, |
| .read_idle_ctrl = 0x00050000, |
| .zq_config = 0x50074be4, |
| .temp_alert_config = 0x00000000, |
| .emif_ddr_phy_ctlr_1 = 0x00008009, |
| .emif_ddr_ext_phy_ctrl_1 = 0x08020080, |
| .emif_ddr_ext_phy_ctrl_2 = 0x00000040, |
| .emif_ddr_ext_phy_ctrl_3 = 0x0000003e, |
| .emif_ddr_ext_phy_ctrl_4 = 0x00000051, |
| .emif_ddr_ext_phy_ctrl_5 = 0x00000051, |
| .emif_rd_wr_lvl_rmp_win = 0x00000000, |
| .emif_rd_wr_lvl_rmp_ctl = 0x00000000, |
| .emif_rd_wr_lvl_ctl = 0x00000000, |
| .emif_rd_wr_exec_thresh = 0x00000405, |
| .emif_prio_class_serv_map = 0x00000000, |
| .emif_connect_id_serv_1_map = 0x00000000, |
| .emif_connect_id_serv_2_map = 0x00000000, |
| .emif_cos_config = 0x00ffffff |
| }; |
| |
| void emif_get_ext_phy_ctrl_const_regs(const u32 **regs, u32 *size) |
| { |
| if (board_is_eposevm()) { |
| *regs = ext_phy_ctrl_const_base_lpddr2; |
| *size = ARRAY_SIZE(ext_phy_ctrl_const_base_lpddr2); |
| } |
| |
| return; |
| } |
| |
| const struct dpll_params *get_dpll_ddr_params(void) |
| { |
| int ind = get_sys_clk_index(); |
| |
| if (board_is_eposevm()) |
| return &epos_evm_dpll_ddr[ind]; |
| else if (board_is_evm() || board_is_sk()) |
| return &gp_evm_dpll_ddr; |
| else if (board_is_idk()) |
| return &idk_dpll_ddr; |
| |
| printf(" Board '%s' not supported\n", board_ti_get_name()); |
| return NULL; |
| } |
| |
| |
| /* |
| * get_opp_offset: |
| * Returns the index for safest OPP of the device to boot. |
| * max_off: Index of the MAX OPP in DEV ATTRIBUTE register. |
| * min_off: Index of the MIN OPP in DEV ATTRIBUTE register. |
| * This data is read from dev_attribute register which is e-fused. |
| * A'1' in bit indicates OPP disabled and not available, a '0' indicates |
| * OPP available. Lowest OPP starts with min_off. So returning the |
| * bit with rightmost '0'. |
| */ |
| static int get_opp_offset(int max_off, int min_off) |
| { |
| struct ctrl_stat *ctrl = (struct ctrl_stat *)CTRL_BASE; |
| int opp, offset, i; |
| |
| /* Bits 0:11 are defined to be the MPU_MAX_FREQ */ |
| opp = readl(&ctrl->dev_attr) & ~0xFFFFF000; |
| |
| for (i = max_off; i >= min_off; i--) { |
| offset = opp & (1 << i); |
| if (!offset) |
| return i; |
| } |
| |
| return min_off; |
| } |
| |
| const struct dpll_params *get_dpll_mpu_params(void) |
| { |
| int opp = get_opp_offset(DEV_ATTR_MAX_OFFSET, DEV_ATTR_MIN_OFFSET); |
| u32 ind = get_sys_clk_index(); |
| |
| return &dpll_mpu[ind][opp]; |
| } |
| |
| const struct dpll_params *get_dpll_core_params(void) |
| { |
| int ind = get_sys_clk_index(); |
| |
| return &dpll_core[ind]; |
| } |
| |
| const struct dpll_params *get_dpll_per_params(void) |
| { |
| int ind = get_sys_clk_index(); |
| |
| return &dpll_per[ind]; |
| } |
| |
| void scale_vcores_generic(u32 m) |
| { |
| int mpu_vdd, ddr_volt; |
| |
| #if !CONFIG_IS_ENABLED(DM_I2C) |
| if (i2c_probe(TPS65218_CHIP_PM)) |
| return; |
| #else |
| if (power_tps65218_init(0)) |
| return; |
| #endif |
| |
| switch (m) { |
| case 1000: |
| mpu_vdd = TPS65218_DCDC_VOLT_SEL_1330MV; |
| break; |
| case 800: |
| mpu_vdd = TPS65218_DCDC_VOLT_SEL_1260MV; |
| break; |
| case 720: |
| mpu_vdd = TPS65218_DCDC_VOLT_SEL_1200MV; |
| break; |
| case 600: |
| mpu_vdd = TPS65218_DCDC_VOLT_SEL_1100MV; |
| break; |
| case 300: |
| mpu_vdd = TPS65218_DCDC_VOLT_SEL_0950MV; |
| break; |
| default: |
| puts("Unknown MPU clock, not scaling\n"); |
| return; |
| } |
| |
| /* Set DCDC1 (CORE) voltage to 1.1V */ |
| if (tps65218_voltage_update(TPS65218_DCDC1, |
| TPS65218_DCDC_VOLT_SEL_1100MV)) { |
| printf("%s failure\n", __func__); |
| return; |
| } |
| |
| /* Set DCDC2 (MPU) voltage */ |
| if (tps65218_voltage_update(TPS65218_DCDC2, mpu_vdd)) { |
| printf("%s failure\n", __func__); |
| return; |
| } |
| |
| if (board_is_eposevm()) |
| ddr_volt = TPS65218_DCDC3_VOLT_SEL_1200MV; |
| else |
| ddr_volt = TPS65218_DCDC3_VOLT_SEL_1350MV; |
| |
| /* Set DCDC3 (DDR) voltage */ |
| if (tps65218_voltage_update(TPS65218_DCDC3, ddr_volt)) { |
| printf("%s failure\n", __func__); |
| return; |
| } |
| } |
| |
| void scale_vcores_idk(u32 m) |
| { |
| int mpu_vdd; |
| |
| #if !CONFIG_IS_ENABLED(DM_I2C) |
| if (i2c_probe(TPS62362_I2C_ADDR)) |
| return; |
| #else |
| if (power_tps62362_init(0)) |
| return; |
| #endif |
| |
| switch (m) { |
| case 1000: |
| mpu_vdd = TPS62362_DCDC_VOLT_SEL_1330MV; |
| break; |
| case 800: |
| mpu_vdd = TPS62362_DCDC_VOLT_SEL_1260MV; |
| break; |
| case 720: |
| mpu_vdd = TPS62362_DCDC_VOLT_SEL_1200MV; |
| break; |
| case 600: |
| mpu_vdd = TPS62362_DCDC_VOLT_SEL_1100MV; |
| break; |
| case 300: |
| mpu_vdd = TPS62362_DCDC_VOLT_SEL_1330MV; |
| break; |
| default: |
| puts("Unknown MPU clock, not scaling\n"); |
| return; |
| } |
| /* Set VDD_MPU voltage */ |
| if (tps62362_voltage_update(TPS62362_SET3, mpu_vdd)) { |
| printf("%s failure\n", __func__); |
| return; |
| } |
| } |
| void gpi2c_init(void) |
| { |
| /* When needed to be invoked prior to BSS initialization */ |
| static bool first_time = true; |
| |
| if (first_time) { |
| enable_i2c0_pin_mux(); |
| #if !CONFIG_IS_ENABLED(DM_I2C) |
| i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, |
| CONFIG_SYS_OMAP24_I2C_SLAVE); |
| #endif |
| first_time = false; |
| } |
| } |
| |
| void scale_vcores(void) |
| { |
| const struct dpll_params *mpu_params; |
| |
| /* Ensure I2C is initialized for PMIC configuration */ |
| gpi2c_init(); |
| |
| /* Get the frequency */ |
| mpu_params = get_dpll_mpu_params(); |
| |
| if (board_is_idk()) |
| scale_vcores_idk(mpu_params->m); |
| else |
| scale_vcores_generic(mpu_params->m); |
| } |
| |
| void set_uart_mux_conf(void) |
| { |
| enable_uart0_pin_mux(); |
| } |
| |
| void set_mux_conf_regs(void) |
| { |
| enable_board_pin_mux(); |
| } |
| |
| static void enable_vtt_regulator(void) |
| { |
| u32 temp; |
| |
| /* enable module */ |
| writel(GPIO_CTRL_ENABLEMODULE, AM33XX_GPIO5_BASE + OMAP_GPIO_CTRL); |
| |
| /* enable output for GPIO5_7 */ |
| writel(GPIO_SETDATAOUT(7), |
| AM33XX_GPIO5_BASE + OMAP_GPIO_SETDATAOUT); |
| temp = readl(AM33XX_GPIO5_BASE + OMAP_GPIO_OE); |
| temp = temp & ~(GPIO_OE_ENABLE(7)); |
| writel(temp, AM33XX_GPIO5_BASE + OMAP_GPIO_OE); |
| } |
| |
| enum { |
| RTC_BOARD_EPOS = 1, |
| RTC_BOARD_EVM14, |
| RTC_BOARD_EVM12, |
| RTC_BOARD_GPEVM, |
| RTC_BOARD_SK, |
| }; |
| |
| /* |
| * In the rtc_only+DRR in self-refresh boot path we have the board type info |
| * in the rtc scratch pad register hence we bypass the costly i2c reads to |
| * eeprom and directly programthe board name string |
| */ |
| void rtc_only_update_board_type(u32 btype) |
| { |
| const char *name = ""; |
| const char *rev = "1.0"; |
| |
| switch (btype) { |
| case RTC_BOARD_EPOS: |
| name = "AM43EPOS"; |
| break; |
| case RTC_BOARD_EVM14: |
| name = "AM43__GP"; |
| rev = "1.4"; |
| break; |
| case RTC_BOARD_EVM12: |
| name = "AM43__GP"; |
| rev = "1.2"; |
| break; |
| case RTC_BOARD_GPEVM: |
| name = "AM43__GP"; |
| break; |
| case RTC_BOARD_SK: |
| name = "AM43__SK"; |
| break; |
| } |
| ti_i2c_eeprom_am_set(name, rev); |
| } |
| |
| u32 rtc_only_get_board_type(void) |
| { |
| if (board_is_eposevm()) |
| return RTC_BOARD_EPOS; |
| else if (board_is_evm_14_or_later()) |
| return RTC_BOARD_EVM14; |
| else if (board_is_evm_12_or_later()) |
| return RTC_BOARD_EVM12; |
| else if (board_is_gpevm()) |
| return RTC_BOARD_GPEVM; |
| else if (board_is_sk()) |
| return RTC_BOARD_SK; |
| |
| return 0; |
| } |
| |
| void sdram_init(void) |
| { |
| /* |
| * EPOS EVM has 1GB LPDDR2 connected to EMIF. |
| * GP EMV has 1GB DDR3 connected to EMIF |
| * along with VTT regulator. |
| */ |
| if (board_is_eposevm()) { |
| config_ddr(0, &ioregs_lpddr2, NULL, NULL, &emif_regs_lpddr2, 0); |
| } else if (board_is_evm_14_or_later()) { |
| enable_vtt_regulator(); |
| config_ddr(0, &ioregs_ddr3, NULL, NULL, |
| &ddr3_emif_regs_400Mhz_production, 0); |
| } else if (board_is_evm_12_or_later()) { |
| enable_vtt_regulator(); |
| config_ddr(0, &ioregs_ddr3, NULL, NULL, |
| &ddr3_emif_regs_400Mhz_beta, 0); |
| } else if (board_is_evm()) { |
| enable_vtt_regulator(); |
| config_ddr(0, &ioregs_ddr3, NULL, NULL, |
| &ddr3_emif_regs_400Mhz, 0); |
| } else if (board_is_sk()) { |
| config_ddr(400, &ioregs_ddr3, NULL, NULL, |
| &ddr3_sk_emif_regs_400Mhz, 0); |
| } else if (board_is_idk()) { |
| config_ddr(400, &ioregs_ddr3, NULL, NULL, |
| &ddr3_idk_emif_regs_400Mhz, 0); |
| } |
| } |
| #endif |
| |
| /* setup board specific PMIC */ |
| int power_init_board(void) |
| { |
| int rc; |
| #if !CONFIG_IS_ENABLED(DM_I2C) |
| struct pmic *p = NULL; |
| #endif |
| if (board_is_idk()) { |
| rc = power_tps62362_init(0); |
| if (rc) |
| goto done; |
| #if !CONFIG_IS_ENABLED(DM_I2C) |
| p = pmic_get("TPS62362"); |
| if (!p || pmic_probe(p)) |
| goto done; |
| #endif |
| puts("PMIC: TPS62362\n"); |
| } else { |
| rc = power_tps65218_init(0); |
| if (rc) |
| goto done; |
| #if !CONFIG_IS_ENABLED(DM_I2C) |
| p = pmic_get("TPS65218_PMIC"); |
| if (!p || pmic_probe(p)) |
| goto done; |
| #endif |
| puts("PMIC: TPS65218\n"); |
| } |
| done: |
| return 0; |
| } |
| |
| int board_init(void) |
| { |
| struct l3f_cfg_bwlimiter *bwlimiter = (struct l3f_cfg_bwlimiter *)L3F_CFG_BWLIMITER; |
| u32 mreqprio_0, mreqprio_1, modena_init0_bw_fractional, |
| modena_init0_bw_integer, modena_init0_watermark_0; |
| |
| gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; |
| gpmc_init(); |
| |
| /* |
| * Call this to initialize *ctrl again |
| */ |
| hw_data_init(); |
| |
| /* Clear all important bits for DSS errata that may need to be tweaked*/ |
| mreqprio_0 = readl(&cdev->mreqprio_0) & MREQPRIO_0_SAB_INIT1_MASK & |
| MREQPRIO_0_SAB_INIT0_MASK; |
| |
| mreqprio_1 = readl(&cdev->mreqprio_1) & MREQPRIO_1_DSS_MASK; |
| |
| modena_init0_bw_fractional = readl(&bwlimiter->modena_init0_bw_fractional) & |
| BW_LIMITER_BW_FRAC_MASK; |
| |
| modena_init0_bw_integer = readl(&bwlimiter->modena_init0_bw_integer) & |
| BW_LIMITER_BW_INT_MASK; |
| |
| modena_init0_watermark_0 = readl(&bwlimiter->modena_init0_watermark_0) & |
| BW_LIMITER_BW_WATERMARK_MASK; |
| |
| /* Setting MReq Priority of the DSS*/ |
| mreqprio_0 |= 0x77; |
| |
| /* |
| * Set L3 Fast Configuration Register |
| * Limiting bandwith for ARM core to 700 MBPS |
| */ |
| modena_init0_bw_fractional |= 0x10; |
| modena_init0_bw_integer |= 0x3; |
| |
| writel(mreqprio_0, &cdev->mreqprio_0); |
| writel(mreqprio_1, &cdev->mreqprio_1); |
| |
| writel(modena_init0_bw_fractional, &bwlimiter->modena_init0_bw_fractional); |
| writel(modena_init0_bw_integer, &bwlimiter->modena_init0_bw_integer); |
| writel(modena_init0_watermark_0, &bwlimiter->modena_init0_watermark_0); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_BOARD_LATE_INIT |
| #if CONFIG_IS_ENABLED(DM_USB) && CONFIG_IS_ENABLED(OF_CONTROL) |
| static int device_okay(const char *path) |
| { |
| int node; |
| |
| node = fdt_path_offset(gd->fdt_blob, path); |
| if (node < 0) |
| return 0; |
| |
| return fdtdec_get_is_enabled(gd->fdt_blob, node); |
| } |
| #endif |
| |
| int board_late_init(void) |
| { |
| struct udevice *dev; |
| #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG |
| set_board_info_env(NULL); |
| |
| /* |
| * Default FIT boot on HS devices. Non FIT images are not allowed |
| * on HS devices. |
| */ |
| if (get_device_type() == HS_DEVICE) |
| env_set("boot_fit", "1"); |
| #endif |
| |
| #if CONFIG_IS_ENABLED(DM_USB) && CONFIG_IS_ENABLED(OF_CONTROL) |
| if (device_okay("/ocp/omap_dwc3@48380000")) |
| enable_usb_clocks(0); |
| if (device_okay("/ocp/omap_dwc3@483c0000")) |
| enable_usb_clocks(1); |
| #endif |
| |
| /* Just probe the potentially supported cdce913 device */ |
| uclass_get_device_by_name(UCLASS_CLK, "cdce913@65", &dev); |
| |
| return 0; |
| } |
| #endif |
| |
| #if !CONFIG_IS_ENABLED(DM_USB_GADGET) |
| #ifdef CONFIG_USB_DWC3 |
| static struct dwc3_device usb_otg_ss1 = { |
| .maximum_speed = USB_SPEED_HIGH, |
| .base = USB_OTG_SS1_BASE, |
| .tx_fifo_resize = false, |
| .index = 0, |
| }; |
| |
| static struct dwc3_omap_device usb_otg_ss1_glue = { |
| .base = (void *)USB_OTG_SS1_GLUE_BASE, |
| .utmi_mode = DWC3_OMAP_UTMI_MODE_SW, |
| .index = 0, |
| }; |
| |
| static struct ti_usb_phy_device usb_phy1_device = { |
| .usb2_phy_power = (void *)USB2_PHY1_POWER, |
| .index = 0, |
| }; |
| |
| static struct dwc3_device usb_otg_ss2 = { |
| .maximum_speed = USB_SPEED_HIGH, |
| .base = USB_OTG_SS2_BASE, |
| .tx_fifo_resize = false, |
| .index = 1, |
| }; |
| |
| static struct dwc3_omap_device usb_otg_ss2_glue = { |
| .base = (void *)USB_OTG_SS2_GLUE_BASE, |
| .utmi_mode = DWC3_OMAP_UTMI_MODE_SW, |
| .index = 1, |
| }; |
| |
| static struct ti_usb_phy_device usb_phy2_device = { |
| .usb2_phy_power = (void *)USB2_PHY2_POWER, |
| .index = 1, |
| }; |
| |
| int usb_gadget_handle_interrupts(int index) |
| { |
| u32 status; |
| |
| status = dwc3_omap_uboot_interrupt_status(index); |
| if (status) |
| dwc3_uboot_handle_interrupt(index); |
| |
| return 0; |
| } |
| #endif /* CONFIG_USB_DWC3 */ |
| |
| #if defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_OMAP) |
| int board_usb_init(int index, enum usb_init_type init) |
| { |
| enable_usb_clocks(index); |
| #ifdef CONFIG_USB_DWC3 |
| switch (index) { |
| case 0: |
| if (init == USB_INIT_DEVICE) { |
| usb_otg_ss1.dr_mode = USB_DR_MODE_PERIPHERAL; |
| usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID; |
| dwc3_omap_uboot_init(&usb_otg_ss1_glue); |
| ti_usb_phy_uboot_init(&usb_phy1_device); |
| dwc3_uboot_init(&usb_otg_ss1); |
| } |
| break; |
| case 1: |
| if (init == USB_INIT_DEVICE) { |
| usb_otg_ss2.dr_mode = USB_DR_MODE_PERIPHERAL; |
| usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID; |
| ti_usb_phy_uboot_init(&usb_phy2_device); |
| dwc3_omap_uboot_init(&usb_otg_ss2_glue); |
| dwc3_uboot_init(&usb_otg_ss2); |
| } |
| break; |
| default: |
| printf("Invalid Controller Index\n"); |
| } |
| #endif |
| |
| return 0; |
| } |
| |
| int board_usb_cleanup(int index, enum usb_init_type init) |
| { |
| #ifdef CONFIG_USB_DWC3 |
| switch (index) { |
| case 0: |
| case 1: |
| if (init == USB_INIT_DEVICE) { |
| ti_usb_phy_uboot_exit(index); |
| dwc3_uboot_exit(index); |
| dwc3_omap_uboot_exit(index); |
| } |
| break; |
| default: |
| printf("Invalid Controller Index\n"); |
| } |
| #endif |
| disable_usb_clocks(index); |
| |
| return 0; |
| } |
| #endif /* defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_OMAP) */ |
| #endif /* !CONFIG_IS_ENABLED(DM_USB_GADGET) */ |
| |
| #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) |
| int ft_board_setup(void *blob, struct bd_info *bd) |
| { |
| ft_cpu_setup(blob, bd); |
| |
| return 0; |
| } |
| #endif |
| |
| #if defined(CONFIG_SPL_LOAD_FIT) || defined(CONFIG_DTB_RESELECT) |
| int board_fit_config_name_match(const char *name) |
| { |
| bool eeprom_read = board_ti_was_eeprom_read(); |
| |
| if (!strcmp(name, "am4372-generic") && !eeprom_read) |
| return 0; |
| else if (board_is_evm() && !strcmp(name, "am437x-gp-evm")) |
| return 0; |
| else if (board_is_sk() && !strcmp(name, "am437x-sk-evm")) |
| return 0; |
| else if (board_is_eposevm() && !strcmp(name, "am43x-epos-evm")) |
| return 0; |
| else if (board_is_idk() && !strcmp(name, "am437x-idk-evm")) |
| return 0; |
| else |
| return -1; |
| } |
| #endif |
| |
| #ifdef CONFIG_DTB_RESELECT |
| int embedded_dtb_select(void) |
| { |
| do_board_detect(); |
| fdtdec_setup(); |
| |
| return 0; |
| } |
| #endif |
| |
| #ifdef CONFIG_TI_SECURE_DEVICE |
| void board_fit_image_post_process(void **p_image, size_t *p_size) |
| { |
| secure_boot_verify_image(p_image, p_size); |
| } |
| |
| void board_tee_image_process(ulong tee_image, size_t tee_size) |
| { |
| secure_tee_install((u32)tee_image); |
| } |
| |
| U_BOOT_FIT_LOADABLE_HANDLER(IH_TYPE_TEE, board_tee_image_process); |
| #endif |