void main(void)
{
extern struct mem_timings mem_timings;
int is_resume = (get_wakeup_state() != IS_NOT_WAKEUP);
int power_init_failed;
exynos5420_config_smp();
power_init_failed = setup_power(is_resume);
timestamp_init(timestamp_get());
timestamp_add_now(TS_START_ROMSTAGE);
/* Clock must be initialized before console_init, otherwise you may need
* to re-initialize serial console drivers again. */
system_clock_init();
exynos_pinmux_uart3();
console_init();
exception_init();
if (power_init_failed)
die("Failed to intialize power.\n");
/* re-initialize PMIC I2C channel after (re-)setting system clocks */
i2c_init(PMIC_I2C_BUS, 1000000, 0x00); /* 1MHz */
timestamp_add_now(TS_BEFORE_INITRAM);
setup_memory(&mem_timings, is_resume);
timestamp_add_now(TS_AFTER_INITRAM);
primitive_mem_test();
trustzone_init();
if (is_resume) {
wakeup();
}
setup_gpio();
setup_ec();
simple_spi_test();
/* Set SPI (primary CBFS media) clock to 50MHz. */
/* if this is uncommented SPI will not work correctly. */
clock_set_rate(PERIPH_ID_SPI1, 50000000);
exynos_pinmux_spi1();
simple_spi_test();
cbmem_initialize_empty();
simple_spi_test();
timestamp_add_now(TS_END_ROMSTAGE);
run_ramstage();
}
/*
* Initialise the serial port with the given baudrate. The settings
* are always 8 data bits, no parity, 1 stop bit, no start bits.
*/
static void exynos5_init_dev(struct s5p_uart *uart)
{
// TODO initialize with correct peripheral id by base_port.
exynos_pinmux_uart3();
/* enable FIFOs */
writel(0x1, &uart->ufcon);
writel(0, &uart->umcon);
/* 8N1 */
writel(0x3, &uart->ulcon);
/* No interrupts, no DMA, pure polling */
writel(0x245, &uart->ucon);
serial_setbrg_dev(uart);
}