mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-28 15:41:40 +00:00
0c331ebcc6
add FIT support and set "boardid" from factoryset records "DEV/id" and "COMP/ver". "boardid" is used for selecting which fit configuration gets booted on the board. Signed-off-by: Heiko Schocher <hs@denx.de>
187 lines
3.7 KiB
C
187 lines
3.7 KiB
C
/*
|
|
* 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;
|
|
}
|
|
|
|
#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);
|
|
|
|
return button;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
dfubutton, CONFIG_SYS_MAXARGS, 1, do_userbutton,
|
|
"Return the status of the DFU button",
|
|
""
|
|
);
|
|
#endif
|
|
/*
|
|
* This command sets led
|
|
* Input - name of led
|
|
* value of led
|
|
* Returns - 1 if input does not match
|
|
* 0 if led was set
|
|
*/
|
|
static int
|
|
do_setled(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
int gpio = 0;
|
|
if (argc != 3)
|
|
goto exit;
|
|
#if defined(BOARD_STATUS_LED)
|
|
if (!strcmp(argv[1], "stat"))
|
|
gpio = BOARD_STATUS_LED;
|
|
#endif
|
|
#if defined(BOARD_DFU_BUTTON_LED)
|
|
if (!strcmp(argv[1], "dfu"))
|
|
gpio = BOARD_DFU_BUTTON_LED;
|
|
#endif
|
|
/* If argument does not mach exit */
|
|
if (gpio == 0)
|
|
goto exit;
|
|
gpio_request(gpio, "");
|
|
gpio_direction_output(gpio, 1);
|
|
if (!strcmp(argv[2], "1"))
|
|
gpio_set_value(gpio, 1);
|
|
else
|
|
gpio_set_value(gpio, 0);
|
|
return 0;
|
|
exit:
|
|
return 1;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
led, CONFIG_SYS_MAXARGS, 2, do_setled,
|
|
"Set led on or off",
|
|
"dfu val - set dfu led\nled stat val - set status led"
|
|
);
|
|
|
|
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",
|
|
""
|
|
);
|
|
#endif /* !CONFIG_SPL_BUILD */
|