+// SPDX-License-Identifier: GPL-2.0+
/*
* Common board functions for siemens AM335X based boards
* (C) Copyright 2013 Siemens Schweiz AG
* 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 <command.h>
+#include <env.h>
#include <errno.h>
+#include <init.h>
+#include <malloc.h>
+#include <serial.h>
#include <spl.h>
#include <asm/arch/cpu.h>
#include <asm/arch/hardware.h>
#include <miiphy.h>
#include <cpsw.h>
#include <watchdog.h>
+#include <asm/mach-types.h>
#include "../common/factoryset.h"
DECLARE_GLOBAL_DATA_PTR;
{
/* Initalize the board header */
enable_i2c0_pin_mux();
- i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+ i2c_set_bus_num(0);
+
+ /* enable early the console */
+ gd->baudrate = CONFIG_BAUDRATE;
+ serial_init();
+ gd->have_console = 1;
if (read_eeprom() < 0)
puts("Could not get board ID.\n");
#if defined(CONFIG_HW_WATCHDOG)
hw_watchdog_init();
#endif /* defined(CONFIG_HW_WATCHDOG) */
- i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+ i2c_set_bus_num(0);
if (read_eeprom() < 0)
puts("Could not get board ID.\n");
-
+#ifdef CONFIG_MACH_TYPE
gd->bd->bi_arch_number = CONFIG_MACH_TYPE;
+#endif
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_NAND_CS_INIT
+ board_nand_cs_init();
+#endif
#ifdef CONFIG_VIDEO
board_video_init();
#endif
return &dpll_ddr;
}
-#ifdef CONFIG_BOARD_LATE_INIT
-int board_late_init(void)
-{
- omap_nand_switch_ecc(1, 8);
+#ifndef CONFIG_SPL_BUILD
- return 0;
-}
-#endif
+#define MAX_NR_LEDS 10
+#define MAX_PIN_NUMBER 128
+#define STARTUP 0
-#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[])
+unsigned char get_button_state(char * const envname, unsigned char def)
{
int button = 0;
int gpio;
+ char *ptr_env;
- gpio = BOARD_DFU_BUTTON_GPIO;
- gpio_request(gpio, "DFU");
+ /* If button is not found we take default */
+ ptr_env = env_get(envname);
+ if (NULL == ptr_env) {
+ gpio = def;
+ } else {
+ gpio = (unsigned char)simple_strtoul(ptr_env, NULL, 0);
+ if (gpio > MAX_PIN_NUMBER)
+ gpio = def;
+ }
+
+ gpio_request(gpio, "");
gpio_direction_input(gpio);
if (gpio_get_value(gpio))
button = 1;
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;
}
+/**
+ * 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(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
+{
+ int button = 0;
+ button = get_button_state("button_dfu0", BOARD_DFU_BUTTON_GPIO);
+ button |= get_button_state("button_dfu1", BOARD_DFU_BUTTON_GPIO);
+ return button;
+}
U_BOOT_CMD(
dfubutton, CONFIG_SYS_MAXARGS, 1, do_userbutton,
#endif
static int
-do_usertestwdt(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+do_usertestwdt(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
printf("\n\n\n Go into infinite loop\n\n\n");
while (1)
""
);
-#ifndef CONFIG_SYS_DCACHE_OFF
-void enable_caches(void)
+/**
+ * Get led gpios from env and set them.
+ * The led define in environment need to need to be of the form ledN=NN,S0,S1
+ * where N is an unsigned integer from 0 to 9 and S0 and S1 is 0 or 1. S0
+ * defines the startup state of the led, S1 the special state of the led when
+ * it enters e.g. dfu mode.
+ */
+void set_env_gpios(unsigned char state)
{
- printf("Enable d-cache\n");
- /* Enable D-cache. I-cache is already enabled in start.S */
- dcache_enable();
+ char *ptr_env;
+ char str_tmp[5]; /* must contain "ledX"*/
+ unsigned char i, idx, pos1, pos2, ccount;
+ unsigned char gpio_n, gpio_s0, gpio_s1;
+
+ for (i = 0; i < MAX_NR_LEDS; i++) {
+ sprintf(str_tmp, "led%d", i);
+
+ /* If env var is not found we stop */
+ ptr_env = env_get(str_tmp);
+ if (NULL == ptr_env)
+ break;
+
+ /* Find sperators position */
+ pos1 = 0;
+ pos2 = 0;
+ ccount = 0;
+ for (idx = 0; ptr_env[idx] != '\0'; idx++) {
+ if (ptr_env[idx] == ',') {
+ if (ccount++ < 1)
+ pos1 = idx;
+ else
+ pos2 = idx;
+ }
+ }
+ /* Bad led description skip this definition */
+ if (pos2 <= pos1 || ccount > 2)
+ continue;
+
+ /* Get pin number and request gpio */
+ memset(str_tmp, 0, sizeof(str_tmp));
+ strncpy(str_tmp, ptr_env, pos1*sizeof(char));
+ gpio_n = (unsigned char)simple_strtoul(str_tmp, NULL, 0);
+
+ /* Invalid gpio number skip definition */
+ if (gpio_n > MAX_PIN_NUMBER)
+ continue;
+
+ gpio_request(gpio_n, "");
+
+ if (state == STARTUP) {
+ /* get pin state 0 and set */
+ memset(str_tmp, 0, sizeof(str_tmp));
+ strncpy(str_tmp, ptr_env+pos1+1,
+ (pos2-pos1-1)*sizeof(char));
+ gpio_s0 = (unsigned char)simple_strtoul(str_tmp, NULL,
+ 0);
+
+ gpio_direction_output(gpio_n, gpio_s0);
+
+ } else {
+ /* get pin state 1 and set */
+ memset(str_tmp, 0, sizeof(str_tmp));
+ strcpy(str_tmp, ptr_env+pos2+1);
+ gpio_s1 = (unsigned char)simple_strtoul(str_tmp, NULL,
+ 0);
+ gpio_direction_output(gpio_n, gpio_s1);
+ }
+ } /* loop through defined led in environment */
}
-#endif /* CONFIG_SYS_DCACHE_OFF */
+
+static int do_board_led(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ if (argc != 2)
+ return CMD_RET_USAGE;
+ if ((unsigned char)simple_strtoul(argv[1], NULL, 0) == STARTUP)
+ set_env_gpios(0);
+ else
+ set_env_gpios(1);
+ return 0;
+};
+
+U_BOOT_CMD(
+ draco_led, CONFIG_SYS_MAXARGS, 2, do_board_led,
+ "Set LEDs defined in environment",
+ "<0|1>"
+);
#endif /* !CONFIG_SPL_BUILD */
projects / oweals / u-boot.git / blobdiff