/* Initalize the board header */
enable_i2c0_pin_mux();
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");
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
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;
+
+ /* If button is not found we take default */
+ ptr_env = getenv(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 = BOARD_DFU_BUTTON_GPIO;
- gpio_request(gpio, "DFU");
+ gpio_request(gpio, "");
gpio_direction_input(gpio);
if (gpio_get_value(gpio))
button = 1;
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
+/**
+ * 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_setled(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+do_userbutton(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;
+ 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(
- led, CONFIG_SYS_MAXARGS, 2, do_setled,
- "Set led on or off",
- "dfu val - set dfu led\nled stat val - set status led"
+ 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[])
"Sends U-Boot into infinite loop",
""
);
+
+/**
+ * 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)
+{
+ char *ptr_env;
+ char str_tmp[5]; /* must contain "ledX"*/
+ char num[1];
+ unsigned char i, idx, pos1, pos2, ccount;
+ unsigned char gpio_n, gpio_s0, gpio_s1;
+
+ for (i = 0; i < MAX_NR_LEDS; i++) {
+ strcpy(str_tmp, "led");
+ sprintf(num, "%d", i);
+ strcat(str_tmp, num);
+
+ /* If env var is not found we stop */
+ ptr_env = getenv(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 */
+}
+
+static int do_board_led(cmd_tbl_t *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 / karo-tx-uboot.git / blobdiff