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/*
* Common board functions for siemens AM335X based boards
* (C) Copyright 2013 Siemens Schweiz AG
* (C) Heiko Schocher, DENX Software Engineering, hs@denx.de.
*
* Based on:
* U-Boot file:/board/ti/am335x/board.c
* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <errno.h>
#include <spl.h>
#include <asm/arch/cpu.h>
#include <asm/arch/hardware.h>
#include <asm/arch/omap.h>
#include <asm/arch/ddr_defs.h>
#include <asm/arch/clock.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/sys_proto.h>
#include <asm/io.h>
#include <asm/emif.h>
#include <asm/gpio.h>
#include <i2c.h>
#include <miiphy.h>
#include <cpsw.h>
#include <watchdog.h>
#include "../common/factoryset.h"
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_SPL_BUILD
void set_uart_mux_conf(void)
{
enable_uart0_pin_mux();
}
void set_mux_conf_regs(void)
{
/* Initalize the board header */
enable_i2c0_pin_mux();
i2c_set_bus_num(0);
if (read_eeprom() < 0)
puts("Could not get board ID.\n");
enable_board_pin_mux();
}
void sdram_init(void)
{
spl_siemens_board_init();
board_init_ddr();
return;
}
#endif /* #ifdef CONFIG_SPL_BUILD */
#ifndef CONFIG_SPL_BUILD
/*
* Basic board specific setup. Pinmux has been handled already.
*/
int board_init(void)
{
#if defined(CONFIG_HW_WATCHDOG)
hw_watchdog_init();
#endif /* defined(CONFIG_HW_WATCHDOG) */
i2c_set_bus_num(0);
if (read_eeprom() < 0)
puts("Could not get board ID.\n");
gd->bd->bi_arch_number = CONFIG_MACH_TYPE;
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
#ifdef CONFIG_FACTORYSET
factoryset_read_eeprom(CONFIG_SYS_I2C_EEPROM_ADDR);
#endif
gpmc_init();
#ifdef CONFIG_VIDEO
board_video_init();
#endif
return 0;
}
#endif /* #ifndef CONFIG_SPL_BUILD */
#define OSC (V_OSCK/1000000)
const struct dpll_params dpll_ddr = {
DDR_PLL_FREQ, OSC-1, 1, -1, -1, -1, -1};
const struct dpll_params *get_dpll_ddr_params(void)
{
return &dpll_ddr;
}
#ifdef CONFIG_BOARD_LATE_INIT
int board_late_init(void)
{
omap_nand_switch_ecc(1, 8);
return 0;
}
#endif
#ifndef CONFIG_SPL_BUILD
#if defined(BOARD_DFU_BUTTON_GPIO)
/*
* This command returns the status of the user button on
* Input - none
* Returns - 1 if button is held down
* 0 if button is not held down
*/
static int
do_userbutton(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int button = 0;
int gpio;
gpio = BOARD_DFU_BUTTON_GPIO;
gpio_request(gpio, "DFU");
gpio_direction_input(gpio);
if (gpio_get_value(gpio))
button = 1;
else
button = 0;
gpio_free(gpio);
if (!button) {
/* LED0 - RED=1: GPIO2_0 2*32 = 64 */
gpio_request(BOARD_DFU_BUTTON_LED, "");
gpio_direction_output(BOARD_DFU_BUTTON_LED, 1);
gpio_set_value(BOARD_DFU_BUTTON_LED, 1);
}
return button;
}
U_BOOT_CMD(
dfubutton, CONFIG_SYS_MAXARGS, 1, do_userbutton,
"Return the status of the DFU button",
""
);
#endif
static int
do_usertestwdt(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
printf("\n\n\n Go into infinite loop\n\n\n");
while (1)
;
return 0;
};
U_BOOT_CMD(
testwdt, CONFIG_SYS_MAXARGS, 1, do_usertestwdt,
"Sends U-Boot into infinite loop",
""
);
#ifndef CONFIG_SYS_DCACHE_OFF
void enable_caches(void)
{
printf("Enable d-cache\n");
/* Enable D-cache. I-cache is already enabled in start.S */
dcache_enable();
}
#endif /* CONFIG_SYS_DCACHE_OFF */
#endif /* !CONFIG_SPL_BUILD */
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