188 lines
3.7 KiB
C
188 lines
3.7 KiB
C
/*
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* Common board functions for siemens AM335X based boards
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* (C) Copyright 2013 Siemens Schweiz AG
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* (C) Heiko Schocher, DENX Software Engineering, hs@denx.de.
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*
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* Based on:
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* U-Boot file:/board/ti/am335x/board.c
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* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <errno.h>
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#include <spl.h>
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#include <asm/arch/cpu.h>
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#include <asm/arch/hardware.h>
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#include <asm/arch/omap.h>
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#include <asm/arch/ddr_defs.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/mmc_host_def.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/io.h>
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#include <asm/emif.h>
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#include <asm/gpio.h>
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#include <i2c.h>
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#include <miiphy.h>
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#include <cpsw.h>
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#include <watchdog.h>
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#include "../common/factoryset.h"
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DECLARE_GLOBAL_DATA_PTR;
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#ifdef CONFIG_SPL_BUILD
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void set_uart_mux_conf(void)
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{
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enable_uart0_pin_mux();
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}
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void set_mux_conf_regs(void)
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{
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/* Initalize the board header */
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enable_i2c0_pin_mux();
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i2c_set_bus_num(0);
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if (read_eeprom() < 0)
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puts("Could not get board ID.\n");
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enable_board_pin_mux();
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}
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void sdram_init(void)
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{
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spl_siemens_board_init();
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board_init_ddr();
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return;
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}
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#endif /* #ifdef CONFIG_SPL_BUILD */
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#ifndef CONFIG_SPL_BUILD
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/*
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* Basic board specific setup. Pinmux has been handled already.
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*/
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int board_init(void)
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{
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#if defined(CONFIG_HW_WATCHDOG)
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hw_watchdog_init();
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#endif /* defined(CONFIG_HW_WATCHDOG) */
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i2c_set_bus_num(0);
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if (read_eeprom() < 0)
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puts("Could not get board ID.\n");
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gd->bd->bi_arch_number = CONFIG_MACH_TYPE;
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
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#ifdef CONFIG_FACTORYSET
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factoryset_read_eeprom(CONFIG_SYS_I2C_EEPROM_ADDR);
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#endif
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gpmc_init();
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#ifdef CONFIG_VIDEO
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board_video_init();
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#endif
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return 0;
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}
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#endif /* #ifndef CONFIG_SPL_BUILD */
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#define OSC (V_OSCK/1000000)
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const struct dpll_params dpll_ddr = {
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DDR_PLL_FREQ, OSC-1, 1, -1, -1, -1, -1};
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const struct dpll_params *get_dpll_ddr_params(void)
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{
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return &dpll_ddr;
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}
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#ifndef CONFIG_SPL_BUILD
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#if defined(BOARD_DFU_BUTTON_GPIO)
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/*
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* This command returns the status of the user button on
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* Input - none
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* Returns - 1 if button is held down
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* 0 if button is not held down
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*/
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static int
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do_userbutton(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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int button = 0;
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int gpio;
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gpio = BOARD_DFU_BUTTON_GPIO;
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gpio_request(gpio, "DFU");
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gpio_direction_input(gpio);
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if (gpio_get_value(gpio))
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button = 1;
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else
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button = 0;
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gpio_free(gpio);
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return button;
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}
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U_BOOT_CMD(
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dfubutton, CONFIG_SYS_MAXARGS, 1, do_userbutton,
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"Return the status of the DFU button",
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""
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);
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#endif
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/*
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* This command sets led
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* Input - name of led
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* value of led
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* Returns - 1 if input does not match
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* 0 if led was set
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*/
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static int
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do_setled(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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int gpio = 0;
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if (argc != 3)
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goto exit;
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#if defined(BOARD_STATUS_LED)
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if (!strcmp(argv[1], "stat"))
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gpio = BOARD_STATUS_LED;
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#endif
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#if defined(BOARD_DFU_BUTTON_LED)
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if (!strcmp(argv[1], "dfu"))
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gpio = BOARD_DFU_BUTTON_LED;
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#endif
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/* If argument does not mach exit */
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if (gpio == 0)
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goto exit;
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gpio_request(gpio, "");
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gpio_direction_output(gpio, 1);
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if (!strcmp(argv[2], "1"))
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gpio_set_value(gpio, 1);
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else
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gpio_set_value(gpio, 0);
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return 0;
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exit:
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return 1;
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}
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U_BOOT_CMD(
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led, CONFIG_SYS_MAXARGS, 2, do_setled,
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"Set led on or off",
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"dfu val - set dfu led\nled stat val - set status led"
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);
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static int
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do_usertestwdt(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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printf("\n\n\n Go into infinite loop\n\n\n");
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while (1)
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;
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return 0;
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};
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U_BOOT_CMD(
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testwdt, CONFIG_SYS_MAXARGS, 1, do_usertestwdt,
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"Sends U-Boot into infinite loop",
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""
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);
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#endif /* !CONFIG_SPL_BUILD */
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