@@ -89,6 +89,7 @@ config TARGET_AM335X_SHC
config TARGET_AM335X_GUARDIAN
bool "Support am335x based guardian board from bosch"
+ select BOARD_LATE_INIT
select DM
select DM_SERIAL
select DM_GPIO
@@ -172,6 +172,8 @@ void sdram_init(void)
int board_init(void)
{
+ save_omap_boot_params();
+
#if defined(CONFIG_HW_WATCHDOG)
hw_watchdog_init();
#endif
@@ -183,3 +185,54 @@ int board_init(void)
#endif
return 0;
}
+
+#ifdef CONFIG_BOARD_LATE_INIT
+static void set_bootmode_env(void)
+{
+ char *boot_device_name = NULL;
+ char *boot_mode_gpio = "gpio@44e07000_14";
+ int ret;
+ int value;
+
+ struct gpio_desc boot_mode_desc;
+
+ switch (gd->arch.omap_boot_device) {
+ case BOOT_DEVICE_NAND:
+ boot_device_name = "nand";
+ break;
+ case BOOT_DEVICE_USBETH:
+ boot_device_name = "usbeth";
+ break;
+ default:
+ break;
+ }
+
+ if (boot_device_name)
+ env_set("boot_device", boot_device_name);
+
+ ret = dm_gpio_lookup_name(boot_mode_gpio, &boot_mode_desc);
+ if (ret) {
+ printf("%s is not found\n", boot_mode_gpio);
+ goto err;
+ }
+
+ ret = dm_gpio_request(&boot_mode_desc, "setup_bootmode_env");
+ if (ret && ret != -EBUSY) {
+ printf("requesting gpio: %s failed\n", boot_mode_gpio);
+ goto err;
+ }
+
+ value = dm_gpio_get_value(&boot_mode_desc);
+ value ? env_set("swi_status", "0") : env_set("swi_status", "1");
+ return;
+
+err:
+ env_set("swi_status", "err");
+}
+
+int board_late_init(void)
+{
+ set_bootmode_env();
+ return 0;
+}
+#endif /* CONFIG_BOARD_LATE_INIT */
@@ -26,24 +26,16 @@ static struct module_pin_mux i2c0_pin_mux[] = {
{-1},
};
-static struct module_pin_mux adc_voltages_en[] = {
- {OFFSET(mcasp0_ahclkx), (MODE(7) | PULLUP_EN)},
- {-1},
-};
-
-static struct module_pin_mux asp_power_en[] = {
- {OFFSET(mcasp0_aclkx), (MODE(7) | PULLUP_EN)},
- {-1},
-};
-
-static struct module_pin_mux switch_off_3v6_pin_mux[] = {
- {OFFSET(mii1_txd0), (MODE(7) | PULLUP_EN)},
- /*
- * The uart1 lines are made floating inputs, based on the Guardian
- * A2 Sample Power Supply Schematics
- */
- {OFFSET(uart1_rxd), (MODE(7) | PULLUDDIS)},
- {OFFSET(uart1_txd), (MODE(7) | PULLUDDIS)},
+static struct module_pin_mux guardian_interfaces_pin_mux[] = {
+ {OFFSET(mcasp0_ahclkx), (MODE(7) | PULLDOWN_EN)},
+ {OFFSET(mcasp0_aclkx), (MODE(7) | PULLUP_EN)},
+ {OFFSET(mii1_txd0), (MODE(7) | PULLUP_EN)},
+ {OFFSET(uart1_rxd), (MODE(7) | RXACTIVE | PULLUDDIS)},
+ {OFFSET(uart1_txd), (MODE(7) | PULLUDDIS)},
+ {OFFSET(mii1_crs), (MODE(7) | PULLDOWN_EN)},
+ {OFFSET(rmii1_refclk), (MODE(7) | PULLDOWN_EN)},
+ {OFFSET(mii1_txd3), (MODE(7) | PULLUDDIS)},
+ {OFFSET(mii1_rxdv), (MODE(7) | PULLDOWN_EN)},
{-1},
};
@@ -93,7 +85,5 @@ void enable_board_pin_mux(void)
#ifdef CONFIG_NAND
configure_module_pin_mux(nand_pin_mux);
#endif
- configure_module_pin_mux(adc_voltages_en);
- configure_module_pin_mux(asp_power_en);
- configure_module_pin_mux(switch_off_3v6_pin_mux);
+ configure_module_pin_mux(guardian_interfaces_pin_mux);
}