int board_early_init_f(void)
{
if (!clock_early_init_done())
clock_early_init();
#if defined(CONFIG_TEGRA_DISCONNECT_UDC_ON_BOOT)
#define USBCMD_FS2 (1 << 15)
{
struct usb_ctlr *usbctlr = (struct usb_ctlr *)0x7d000000;
writel(USBCMD_FS2, &usbctlr->usb_cmd);
}
#endif
/* Do any special system timer/TSC setup */
#if defined(CONFIG_TEGRA_SUPPORT_NON_SECURE)
if (!tegra_cpu_is_non_secure())
#endif
arch_timer_init();
pinmux_init();
board_init_uart_f();
/* Initialize periph GPIOs */
gpio_early_init();
gpio_early_init_uart();
return 0;
}
/*
* Note this function is executed by the ARM7TDMI AVP. It does not return
* in this case. It is also called once the A9 starts up, but does nothing in
* that case.
*/
int arch_cpu_init(void)
{
/* Fire up the Cortex A9 */
tegra2_start();
/* We didn't do this init in start.S, so do it now */
cpu_init_cp15();
/* Initialize essential common plls */
clock_early_init();
return 0;
}
void spl_board_init(void)
{
struct pmux_tri_ctlr *pmt = (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
/* enable JTAG */
writel(0xC0, &pmt->pmt_cfg_ctl);
board_init_uart_f();
/* Initialize periph GPIOs */
gpio_early_init_uart();
clock_early_init();
preloader_console_init();
}
void spl_board_init(void)
{
struct apb_misc_pp_ctlr *apb_misc =
(struct apb_misc_pp_ctlr *)NV_PA_APB_MISC_BASE;
/* enable JTAG */
writel(0xC0, &apb_misc->cfg_ctl);
board_init_uart_f();
/* Initialize periph GPIOs */
gpio_early_init_uart();
clock_early_init();
preloader_console_init();
}
void board_init_r(gd_t *id, ulong dummy)
{
struct pmux_tri_ctlr *pmt = (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
/* enable JTAG */
writel(0xC0, &pmt->pmt_cfg_ctl);
debug(">>spl:board_init_r()\n");
mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
CONFIG_SYS_SPL_MALLOC_SIZE);
#ifdef CONFIG_SPL_BOARD_INIT
spl_board_init();
#endif
clock_early_init();
serial_init();
preloader_console_init();
start_cpu((u32)CONFIG_SYS_TEXT_BASE);
halt_avp();
/* not reached */
}