summaryrefslogtreecommitdiffstats
path: root/src/mainboard/ti/beaglebone/bootblock.c
blob: 9f5f2adcb66f19ee9c5dffbf77e47674d0e9670c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */

#include <device/mmio.h>
#include <types.h>
#include <bootblock_common.h>
#include <console/uart.h>
#include <cpu/ti/am335x/clock.h>
#include <cpu/ti/am335x/gpio.h>
#include <cpu/ti/am335x/pinmux.h>

#include "leds.h"

void bootblock_mainboard_init(void)
{
	write32(&am335x_cm_wkup->wkup_gpio0, CM_ST_SW_WKUP | CM_FCLK_EN);
	write32(&am335x_cm_per->gpio1, CM_ST_SW_WKUP | CM_FCLK_EN);
	write32(&am335x_cm_per->gpio2, CM_ST_SW_WKUP | CM_FCLK_EN);
	write32(&am335x_cm_per->gpio3, CM_ST_SW_WKUP | CM_FCLK_EN);

	am335x_disable_gpio_irqs();

	beaglebone_leds_init();
	beaglebone_leds_set(BEAGLEBONE_LED_USR0, 1);
	beaglebone_leds_set(BEAGLEBONE_LED_USR1, 0);
	beaglebone_leds_set(BEAGLEBONE_LED_USR2, 1);
	beaglebone_leds_set(BEAGLEBONE_LED_USR3, 0);

	/* Set up the UART we're going to use */
	if (CONFIG_UART_FOR_CONSOLE == 0) {
		am335x_pinmux_uart0();
		write32(&am335x_cm_wkup->wkup_uart0, CM_ST_SW_WKUP);
	} else if (CONFIG_UART_FOR_CONSOLE == 1) {
		am335x_pinmux_uart1();
		write32(&am335x_cm_per->uart1, CM_ST_SW_WKUP);
	} else if (CONFIG_UART_FOR_CONSOLE == 2) {
		am335x_pinmux_uart2();
		write32(&am335x_cm_per->uart2, CM_ST_SW_WKUP);
	} else if (CONFIG_UART_FOR_CONSOLE == 3) {
		am335x_pinmux_uart3();
		write32(&am335x_cm_per->uart3, CM_ST_SW_WKUP);
	} else if (CONFIG_UART_FOR_CONSOLE == 4) {
		am335x_pinmux_uart4();
		write32(&am335x_cm_per->uart4, CM_ST_SW_WKUP);
	} else if (CONFIG_UART_FOR_CONSOLE == 5) {
		am335x_pinmux_uart5();
		write32(&am335x_cm_per->uart5, CM_ST_SW_WKUP);
	}

	/* Start monotonic timer */
	//rtc_start();
}