diff options
Diffstat (limited to 'board/siemens/common/board.c')
| -rw-r--r-- | board/siemens/common/board.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/board/siemens/common/board.c b/board/siemens/common/board.c new file mode 100644 index 0000000..6279c32 --- /dev/null +++ b/board/siemens/common/board.c @@ -0,0 +1,171 @@ +/* + * 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 */ |