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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_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
- 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_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
- 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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