void s_init(void)
{
/*
* The ROM will only have set up sufficient pinmux to allow for the
* first 4KiB NOR to be read, we must finish doing what we know of
* the NOR mux in this space in order to continue.
*/
#ifdef CONFIG_NOR_BOOT
enable_norboot_pin_mux();
#endif
watchdog_disable();
set_uart_mux_conf();
setup_clocks_for_console();
uart_soft_reset();
#if defined(CONFIG_NOR_BOOT) || defined(CONFIG_QSPI_BOOT)
/* TODO: This does not work, gd is not available yet */
gd->baudrate = CONFIG_BAUDRATE;
serial_init();
gd->have_console = 1;
#endif
#if defined(CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC)
/* Enable RTC32K clock */
rtc32k_enable();
#endif
}
/**
* setup_early_clocks() - Setup early clocks needed for SoC
*
* Setup clocks for console, SPL basic initialization clocks and initialize
* the timer. This is invoked prior prcm_init.
*/
void setup_early_clocks(void)
{
switch (omap_hw_init_context()) {
case OMAP_INIT_CONTEXT_SPL:
case OMAP_INIT_CONTEXT_UBOOT_FROM_NOR:
case OMAP_INIT_CONTEXT_UBOOT_AFTER_CH:
setup_clocks_for_console();
enable_basic_clocks();
timer_init();
/* Fall through */
}
}
void s_init(void)
{
/*
* The ROM will only have set up sufficient pinmux to allow for the
* first 4KiB NOR to be read, we must finish doing what we know of
* the NOR mux in this space in order to continue.
*/
#ifdef CONFIG_NOR_BOOT
enable_norboot_pin_mux();
#endif
watchdog_disable();
set_uart_mux_conf();
setup_clocks_for_console();
uart_soft_reset();
#if defined(CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC)
/* Enable RTC32K clock */
rtc32k_enable();
#endif
}
void preloader_console_init(void)
{
const char *u_boot_rev = U_BOOT_VERSION;
char rev_string_buffer[50];
gd = &gdata;
gd->bd = &bdata;
gd->flags |= GD_FLG_RELOC;
gd->baudrate = CONFIG_BAUDRATE;
setup_clocks_for_console();
serial_init(); /* serial communications setup */
/* Avoid a second "U-Boot" coming from this string */
u_boot_rev = &u_boot_rev[7];
printf("\nU-Boot SPL %s (%s - %s)\n", u_boot_rev, U_BOOT_DATE,
U_BOOT_TIME);
omap_rev_string(rev_string_buffer);
printf("Texas Instruments %s\n", rev_string_buffer);
}
void s_init(void)
{
/*
* The ROM will only have set up sufficient pinmux to allow for the
* first 4KiB NOR to be read, we must finish doing what we know of
* the NOR mux in this space in order to continue.
*/
#ifdef CONFIG_NOR_BOOT
enable_norboot_pin_mux();
#endif
/*
* Save the boot parameters passed from romcode.
* We cannot delay the saving further than this,
* to prevent overwrites.
*/
#ifdef CONFIG_SPL_BUILD
save_omap_boot_params();
#endif
watchdog_disable();
timer_init();
set_uart_mux_conf();
setup_clocks_for_console();
uart_soft_reset();
#ifdef CONFIG_NOR_BOOT
gd->baudrate = CONFIG_BAUDRATE;
serial_init();
gd->have_console = 1;
#elif defined(CONFIG_SPL_BUILD)
gd = &gdata;
preloader_console_init();
#endif
prcm_init();
set_mux_conf_regs();
/* Enable RTC32K clock */
rtc32k_enable();
sdram_init();
}
