void am33xx_spl_board_init(void) { /* debug print detect status */ (void)get_board_type(true); /* Get the frequency */ /* dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev); */ dpll_mpu_opp100.m = MPUPLL_M_1000; if (i2c_probe(TPS65217_CHIP_PM)) return; /* Set the USB Current Limit */ if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_POWER_PATH, TPS65217_USB_INPUT_CUR_LIMIT_1800MA, TPS65217_USB_INPUT_CUR_LIMIT_MASK)) puts("! tps65217_reg_write: could not set USB limit\n"); /* Set the Core Voltage (DCDC3) to 1.125V */ if (tps65217_voltage_update(TPS65217_DEFDCDC3, TPS65217_DCDC_VOLT_SEL_1125MV)) { puts("! tps65217_reg_write: could not set Core Voltage\n"); return; } /* Set CORE Frequencies to OPP100 */ do_setup_dpll(&dpll_core_regs, &dpll_core_opp100); /* Set the MPU Voltage (DCDC2) */ if (tps65217_voltage_update(TPS65217_DEFDCDC2, TPS65217_DCDC_VOLT_SEL_1325MV)) { puts("! tps65217_reg_write: could not set MPU Voltage\n"); return; } /* * Set LDO3, LDO4 output voltage to 3.3V for Beaglebone. * Set LDO3 to 1.8V and LDO4 to 3.3V for Beaglebone Black. */ if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, TPS65217_DEFLS1, TPS65217_LDO_VOLTAGE_OUT_1_8, TPS65217_LDO_MASK)) puts("! tps65217_reg_write: could not set LDO3\n"); if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, TPS65217_DEFLS2, TPS65217_LDO_VOLTAGE_OUT_3_3, TPS65217_LDO_MASK)) puts("! tps65217_reg_write: could not set LDO4\n"); /* Set MPU Frequency to what we detected now that voltages are set */ do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100); }
void am33xx_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; /* * Override what we have detected since we know if we have * a Beaglebone Black it supports 1GHz. */ dpll_mpu_opp100.m = MPUPLL_M_1000; /* * Increase USB current limit to 1300mA or 1800mA and set * the MPU voltage controller as needed. */ usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA; mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV; 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 for Beaglebone Black. */ 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); }
void am33xx_spl_board_init(void) { if (!strncmp("A335BONE", header.name, 8)) { /* BeagleBone PMIC Code */ uchar pmic_status_reg; if (i2c_probe(TPS65217_CHIP_PM)) return; if (tps65217_reg_read(STATUS, &pmic_status_reg)) return; /* Increase USB current limit to 1300mA */ if (tps65217_reg_write(PROT_LEVEL_NONE, POWER_PATH, USB_INPUT_CUR_LIMIT_1300MA, USB_INPUT_CUR_LIMIT_MASK)) printf("tps65217_reg_write failure\n"); /* Only perform PMIC configurations if board rev > A1 */ if (!strncmp(header.version, "00A1", 4)) return; /* Set DCDC2 (MPU) voltage to 1.275V */ if (tps65217_voltage_update(DEFDCDC2, DCDC_VOLT_SEL_1275MV)) { printf("tps65217_voltage_update failure\n"); return; } /* Set LDO3, LDO4 output voltage to 3.3V */ if (tps65217_reg_write(PROT_LEVEL_2, DEFLS1, LDO_VOLTAGE_OUT_3_3, LDO_MASK)) printf("tps65217_reg_write failure\n"); if (tps65217_reg_write(PROT_LEVEL_2, DEFLS2, LDO_VOLTAGE_OUT_3_3, LDO_MASK)) printf("tps65217_reg_write failure\n"); if (!(pmic_status_reg & PWR_SRC_AC_BITMASK)) { printf("No AC power, disabling frequency switch\n"); return; } /* Set MPU Frequency to 720MHz */ mpu_pll_config(MPUPLL_M_720); } else { uchar buf[4]; /* * EVM PMIC code. All boards currently want an MPU voltage * of 1.2625V and CORE voltage of 1.1375V to operate at * 720MHz. */ if (i2c_probe(PMIC_CTRL_I2C_ADDR)) return; /* VDD1/2 voltage selection register access by control i/f */ if (i2c_read(PMIC_CTRL_I2C_ADDR, PMIC_DEVCTRL_REG, 1, buf, 1)) return; buf[0] |= PMIC_DEVCTRL_REG_SR_CTL_I2C_SEL_CTL_I2C; if (i2c_write(PMIC_CTRL_I2C_ADDR, PMIC_DEVCTRL_REG, 1, buf, 1)) return; if (!voltage_update(MPU, PMIC_OP_REG_SEL_1_2_6) && !voltage_update(CORE, PMIC_OP_REG_SEL_1_1_3)) { if (board_is_evm_15_or_later()) mpu_pll_config(MPUPLL_M_800); else mpu_pll_config(MPUPLL_M_720); } } }
void pmicsetup(u32 mpupll) { int mpu_vdd; int usb_cur_lim; if (i2c_probe(TPS65217_CHIP_PM)) { puts("PMIC (0x24) not found! skip further initalization.\n"); 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_M_1000; 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 am33xx_spl_board_init(void) { struct am335x_baseboard_id header; int mpu_vdd; if (read_eeprom(&header) < 0) { puts("Wrong data in EEPROM.\n"); hang(); } if (!board_is_kalitap(&header) && !board_is_luna(&header) && !board_is_catchwire(&header)) { puts("Could not get board ID (CatchWire/KaliTAP).\n"); hang(); } /* Get the frequency */ dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev); /* BeagleBone and NEWT PMIC Code */ int usb_cur_lim; if (i2c_probe(TPS65217_CHIP_PM)) return; /* * Override what we have detected since we know we have * a CatchWire/KaliTAP that supports 1GHz. */ dpll_mpu_opp100.m = MPUPLL_M_1000; /* * 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; puts("tps65217_reg_write USB_INPUT_CUR_LIMIT_1800MA\n"); } else { usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA; mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV; puts("tps65217_reg_write USB_INPUT_CUR_LIMIT_1300MA\n"); } if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_POWER_PATH, usb_cur_lim, TPS65217_USB_INPUT_CUR_LIMIT_MASK)) { puts("tps65217_reg_write POWER_PATH failure\n"); } else { uchar pmic_power_path_reg = 0; puts("tps65217_reg_write POWER_PATH success\n"); tps65217_reg_read(TPS65217_POWER_PATH, &pmic_power_path_reg); printf("POWER_PATH : 0%02X\n", pmic_power_path_reg); } /* 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; } else { puts("tps65217_voltage_update success\n"); } /* * Set LDO3 to 1.8V and LDO4 to 3.3V for CatchWire/KaliTAP. */ 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); }