#include "utils.h" #include "mmu.h" #include "memory_map.h" #include "cpu_context.h" #include "bootconfig.h" #include "configitem.h" #include "masterkey.h" #include "bootup.h" #include "smc_api.h" #include "exocfg.h" #include "se.h" #include "mc.h" #include "car.h" #include "i2c.h" #include "misc.h" #include "interrupt.h" void __attribute__((noreturn)) warmboot_main(void) { /* This function and its callers are reached in either of the following events, under normal conditions: - warmboot (core 3) - cpu_on */ if (is_core_active(get_core_id())) { panic(0xF7F00009); /* invalid CPU context */ } /* IRAM C+D identity mapping has actually been removed on coldboot but we don't really care */ identity_unmap_iram_cd_tzram(); /* On warmboot (not cpu_on) only */ if (MC_SECURITY_CFG3_0 == 0) { if (!configitem_is_retail()) { /* TODO: uart_log("OHAYO"); */ } /* Sanity check the Security Engine. */ se_verify_flags_cleared(); /* Initialize interrupts. */ intr_initialize_gic_nonsecure(); bootup_misc_mmio(); /* Make PMC (2.x+), MC (4.x+) registers secure-only */ secure_additional_devices(); if (exosphere_get_target_firmware() < EXOSPHERE_TARGET_FIRMWARE_400 || configitem_get_hardware_type() == 0) { /* Enable input to I2C1 */ PINMUX_AUX_GEN1_I2C_SCL_0 = 0x40; PINMUX_AUX_GEN1_I2C_SDA_0 = 0x40; clkrst_enable(CARDEVICE_I2C1); i2c_init(0); i2c_clear_ti_charger_bit_7(); clkrst_disable(CARDEVICE_I2C1); } clear_user_smc_in_progress(); if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_400) { setup_4x_mmio(); } } setup_current_core_state(); /* Update SCR_EL3 depending on value in Bootconfig. */ set_extabt_serror_taken_to_el3(bootconfig_take_extabt_serror_to_el3()); core_jump_to_lower_el(); }