// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2021 NXP */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include DECLARE_GLOBAL_DATA_PTR; void spl_dram_init(void) { /* Reboot in dual boot setting no need to init ddr again */ bool ddr_enable = pcc_clock_is_enable(5, LPDDR4_PCC5_SLOT); if (!ddr_enable) { init_clk_ddr(); ddr_init(&dram_timing); } else { /* reinit pfd/pfddiv and lpavnic except pll4*/ cgc2_pll4_init(false); } } u32 spl_boot_device(void) { return BOOT_DEVICE_BOOTROM; } int power_init_board(void) { if (IS_ENABLED(CONFIG_IMX8ULP_LD_MODE)) { /* Set buck3 to 0.9v LD */ upower_pmic_i2c_write(0x22, 0x18); } else if (IS_ENABLED(CONFIG_IMX8ULP_ND_MODE)) { /* Set buck3 to 1.0v ND */ upower_pmic_i2c_write(0x22, 0x20); } else { /* Set buck3 to 1.1v OD */ upower_pmic_i2c_write(0x22, 0x28); } return 0; } void spl_board_init(void) { struct udevice *dev; u32 res; int ret; uclass_find_first_device(UCLASS_MISC, &dev); for (; dev; uclass_find_next_device(&dev)) { if (device_probe(dev)) continue; } board_early_init_f(); preloader_console_init(); puts("Normal Boot\n"); /* After AP set iomuxc0, the i2c can't work, Need M33 to set it now */ /* Load the lposc fuse to work around ROM issue. The fuse depends on S400 to read. */ if (is_soc_rev(CHIP_REV_1_0)) load_lposc_fuse(); upower_init(); power_init_board(); clock_init_late(); /* DDR initialization */ spl_dram_init(); /* This must place after upower init, so access to MDA and MRC are valid */ /* Init XRDC MDA */ xrdc_init_mda(); /* Init XRDC MRC for VIDEO, DSP domains */ xrdc_init_mrc(); /* Call it after PS16 power up */ set_lpav_qos(); /* Enable A35 access to the CAAM */ ret = ahab_release_caam(0x7, &res); if (ret) printf("ahab release caam failed %d, 0x%x\n", ret, res); } void board_init_f(ulong dummy) { /* Clear the BSS. */ memset(__bss_start, 0, __bss_end - __bss_start); timer_init(); arch_cpu_init(); board_init_r(NULL, 0); }