GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/board/nvidia/jetson-tk1/jetson-tk1.c

@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2014
+ * NVIDIA Corporation <www.nvidia.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <power/as3722.h>
+#include <power/pmic.h>
+
+#include <asm/arch/gpio.h>
+#include <asm/arch/pinmux.h>
+
+#include "pinmux-config-jetson-tk1.h"
+
+/*
+ * Routine: pinmux_init
+ * Description: Do individual peripheral pinmux configs
+ */
+void pinmux_init(void)
+{
+	pinmux_clear_tristate_input_clamping();
+
+	gpio_config_table(jetson_tk1_gpio_inits,
+			  ARRAY_SIZE(jetson_tk1_gpio_inits));
+
+	pinmux_config_pingrp_table(jetson_tk1_pingrps,
+				   ARRAY_SIZE(jetson_tk1_pingrps));
+
+	pinmux_config_drvgrp_table(jetson_tk1_drvgrps,
+				   ARRAY_SIZE(jetson_tk1_drvgrps));
+
+	pinmux_config_mipipadctrlgrp_table(jetson_tk1_mipipadctrlgrps,
+					ARRAY_SIZE(jetson_tk1_mipipadctrlgrps));
+}
+
+#ifdef CONFIG_PCI_TEGRA
+/* TODO: Convert to driver model */
+static int as3722_sd_enable(struct udevice *pmic, unsigned int sd)
+{
+	int err;
+
+	if (sd > 6)
+		return -EINVAL;
+
+	err = pmic_clrsetbits(pmic, AS3722_SD_CONTROL, 0, 1 << sd);
+	if (err) {
+		pr_err("failed to update SD control register: %d", err);
+		return err;
+	}
+
+	return 0;
+}
+
+int tegra_pcie_board_init(void)
+{
+	struct udevice *dev;
+	int ret;
+
+	ret = uclass_get_device_by_driver(UCLASS_PMIC,
+					  DM_GET_DRIVER(pmic_as3722), &dev);
+	if (ret) {
+		debug("%s: Failed to find PMIC\n", __func__);
+		return ret;
+	}
+
+	ret = as3722_sd_enable(dev, 4);
+	if (ret < 0) {
+		pr_err("failed to enable SD4: %d\n", ret);
+		return ret;
+	}
+
+	ret = as3722_sd_set_voltage(dev, 4, 0x24);
+	if (ret < 0) {
+		pr_err("failed to set SD4 voltage: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+#endif /* PCI */