// SPDX-License-Identifier: GPL-2.0+ /* * common.c * * common board functions for B&R boards * * Copyright (C) 2013 Hannes Schmelzer * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com * */ #include #include #include #include #include #include #include #include #include "bur_common.h" DECLARE_GLOBAL_DATA_PTR; /* --------------------------------------------------------------------------*/ int ft_board_setup(void *blob, struct bd_info *bd) { int nodeoffset; nodeoffset = fdt_path_offset(blob, "/factory-settings"); if (nodeoffset < 0) { printf("%s: cannot find /factory-settings, trying /fset\n", __func__); nodeoffset = fdt_path_offset(blob, "/fset"); if (nodeoffset < 0) { printf("%s: cannot find /fset.\n", __func__); return 0; } } if (fdt_setprop(blob, nodeoffset, "bl-version", PLAIN_VERSION, strlen(PLAIN_VERSION)) != 0) { printf("%s: no 'bl-version' prop in fdt!\n", __func__); return 0; } return 0; } int brdefaultip_setup(int bus, int chip) { int rc; struct udevice *i2cdev; u8 u8buf = 0; char defip[256] = { 0 }; rc = i2c_get_chip_for_busnum(bus, chip, 2, &i2cdev); if (rc != 0) { printf("WARN: cannot probe baseboard EEPROM!\n"); return -1; } rc = dm_i2c_read(i2cdev, 0, &u8buf, 1); if (rc != 0) { printf("WARN: cannot read baseboard EEPROM!\n"); return -1; } if (u8buf != 0xFF) snprintf(defip, sizeof(defip), "if test -r ${ipaddr}; then; else setenv ipaddr 192.168.60.%d; setenv serverip 192.168.60.254; setenv gatewayip 192.168.60.254; setenv netmask 255.255.255.0; fi;", u8buf); else strncpy(defip, "if test -r ${ipaddr}; then; else setenv ipaddr 192.168.60.1; setenv serverip 192.168.60.254; setenv gatewayip 192.168.60.254; setenv netmask 255.255.255.0; fi;", sizeof(defip)); env_set("brdefaultip", defip); env_set_hex("board_id", u8buf); return 0; } int overwrite_console(void) { return 1; } #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_AM33XX) #include #include #include #include #include static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; void pmicsetup(u32 mpupll, unsigned int bus) { int mpu_vdd; int usb_cur_lim; if (power_tps65217_init(bus)) { printf("WARN: cannot setup PMIC 0x24 @ bus #%d, not found!.\n", bus); return; } /* Get the frequency which is defined by device fuses */ dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev); printf("detected max. frequency: %d - ", dpll_mpu_opp100.m); if (0 != mpupll) { dpll_mpu_opp100.m = mpupll; printf("retuning MPU-PLL to: %d MHz.\n", dpll_mpu_opp100.m); } else { puts("ok.\n"); } /* * 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 */ 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"); /* Set LDO4 to 3.3V */ 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); /* Set PWR_EN bit in Status Register */ tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_STATUS, TPS65217_PWR_OFF, TPS65217_PWR_OFF); } void set_uart_mux_conf(void) { enable_uart0_pin_mux(); } void set_mux_conf_regs(void) { enable_board_pin_mux(); } #endif /* CONFIG_SPL_BUILD && CONFIG_AM33XX */