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

source/bootloader/u-boot-2020.01/drivers/pch/sandbox_pch.c

@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2018 Google LLC
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <pch.h>
+
+struct sandbox_pch_priv {
+	bool protect;
+};
+
+int sandbox_get_pch_spi_protect(struct udevice *dev)
+{
+	struct sandbox_pch_priv *priv = dev_get_priv(dev);
+
+	return priv->protect;
+}
+
+static int sandbox_pch_get_spi_base(struct udevice *dev, ulong *sbasep)
+{
+	*sbasep = 0x10;
+
+	return 0;
+}
+
+static int sandbox_pch_set_spi_protect(struct udevice *dev, bool protect)
+{
+	struct sandbox_pch_priv *priv = dev_get_priv(dev);
+
+	priv->protect = protect;
+
+	return 0;
+}
+
+static int sandbox_pch_get_gpio_base(struct udevice *dev, u32 *gbasep)
+{
+	*gbasep = 0x20;
+
+	return 0;
+}
+
+static int sandbox_pch_get_io_base(struct udevice *dev, u32 *iobasep)
+{
+	*iobasep = 0x30;
+
+	return 0;
+}
+
+int sandbox_pch_ioctl(struct udevice *dev, enum pch_req_t req, void *data,
+		      int size)
+{
+	switch (req) {
+	case PCH_REQ_TEST1:
+		return -ENOSYS;
+	case PCH_REQ_TEST2:
+		return *(char *)data;
+	case PCH_REQ_TEST3:
+		*(char *)data = 'x';
+		return 1;
+	default:
+		return -ENOSYS;
+	}
+}
+
+static const struct pch_ops sandbox_pch_ops = {
+	.get_spi_base	= sandbox_pch_get_spi_base,
+	.set_spi_protect = sandbox_pch_set_spi_protect,
+	.get_gpio_base	= sandbox_pch_get_gpio_base,
+	.get_io_base = sandbox_pch_get_io_base,
+	.ioctl		= sandbox_pch_ioctl,
+};
+
+static const struct udevice_id sandbox_pch_ids[] = {
+	{ .compatible = "sandbox,pch" },
+	{ }
+};
+
+U_BOOT_DRIVER(sandbox_pch_drv) = {
+	.name		= "sandbox-pch",
+	.id		= UCLASS_PCH,
+	.of_match	= sandbox_pch_ids,
+	.ops		= &sandbox_pch_ops,
+	.priv_auto_alloc_size	= sizeof(struct sandbox_pch_priv),
+};