// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2022 NXP */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include DECLARE_GLOBAL_DATA_PTR; int spl_board_boot_device(enum boot_device boot_dev_spl) { return BOOT_DEVICE_BOOTROM; } void spl_board_init(void) { puts("Normal Boot\n"); } void spl_dram_init(void) { ddr_init(&dram_timing); } #if CONFIG_IS_ENABLED(DM_PMIC_PCA9450) int power_init_board(void) { struct udevice *dev; int ret; ret = pmic_get("pmic@25", &dev); if (ret == -ENODEV) { puts("No pca9450@25\n"); return 0; } if (ret != 0) return ret; /* BUCKxOUT_DVS0/1 control BUCK123 output */ pmic_reg_write(dev, PCA9450_BUCK123_DVS, 0x29); /* enable DVS control through PMIC_STBY_REQ */ pmic_reg_write(dev, PCA9450_BUCK1CTRL, 0x59); if (IS_ENABLED(CONFIG_IMX9_LOW_DRIVE_MODE)) { /* 0.75v for Low drive mode */ pmic_reg_write(dev, PCA9450_BUCK1OUT_DVS0, 0x0c); pmic_reg_write(dev, PCA9450_BUCK3OUT_DVS0, 0x0c); } else { /* 0.9v for Over drive mode */ pmic_reg_write(dev, PCA9450_BUCK1OUT_DVS0, 0x18); pmic_reg_write(dev, PCA9450_BUCK3OUT_DVS0, 0x18); } /* set standby voltage to 0.65v */ pmic_reg_write(dev, PCA9450_BUCK1OUT_DVS1, 0x4); /* I2C_LT_EN*/ pmic_reg_write(dev, 0xa, 0x3); return 0; } #endif extern int imx9_probe_mu(void *ctx, struct event *event); void board_init_f(ulong dummy) { int ret; /* Clear the BSS. */ memset(__bss_start, 0, __bss_end - __bss_start); timer_init(); arch_cpu_init(); board_early_init_f(); spl_early_init(); preloader_console_init(); ret = imx9_probe_mu(NULL, NULL); if (ret) { printf("Fail to init Sentinel API\n"); } else { printf("SOC: 0x%x\n", gd->arch.soc_rev); printf("LC: 0x%x\n", gd->arch.lifecycle); } power_init_board(); if (!IS_ENABLED(CONFIG_IMX9_LOW_DRIVE_MODE)) set_arm_clk(get_cpu_speed_grade_hz()); /* Init power of mix */ soc_power_init(); /* Setup TRDC for DDR access */ trdc_init(); /* DDR initialization */ spl_dram_init(); /* Put M33 into CPUWAIT for following kick */ ret = m33_prepare(); if (!ret) printf("M33 prepare ok\n"); board_init_r(NULL, 0); }