Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 96 insertions, 0 deletions

diff --git a/roms/u-boot/drivers/cpu/cpu_sandbox.c b/roms/u-boot/drivers/cpu/cpu_sandbox.c
new file mode 100644
index 000000000..fe6772ba5
--- /dev/null
+++ b/roms/u-boot/drivers/cpu/cpu_sandbox.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2018
+ * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <cpu.h>
+
+static int cpu_sandbox_get_desc(const struct udevice *dev, char *buf, int size)
+{
+	snprintf(buf, size, "LEG Inc. SuperMegaUltraTurbo CPU No. 1");
+
+	return 0;
+}
+
+static int cpu_sandbox_get_info(const struct udevice *dev,
+				struct cpu_info *info)
+{
+	info->cpu_freq = 42 * 42 * 42 * 42 * 42;
+	info->features = 0x42424242;
+	info->address_width = IS_ENABLED(CONFIG_PHYS_64BIT) ? 64 : 32;
+
+	return 0;
+}
+
+static int cpu_sandbox_get_count(const struct udevice *dev)
+{
+	return 42;
+}
+
+static int cpu_sandbox_get_vendor(const struct udevice *dev, char *buf,
+				  int size)
+{
+	snprintf(buf, size, "Languid Example Garbage Inc.");
+
+	return 0;
+}
+
+static const char *cpu_current = "cpu-test1";
+
+void cpu_sandbox_set_current(const char *name)
+{
+	cpu_current = name;
+}
+
+static int cpu_sandbox_is_current(struct udevice *dev)
+{
+	if (!strcmp(dev->name, cpu_current))
+		return 1;
+
+	return 0;
+}
+
+static const struct cpu_ops cpu_sandbox_ops = {
+	.get_desc = cpu_sandbox_get_desc,
+	.get_info = cpu_sandbox_get_info,
+	.get_count = cpu_sandbox_get_count,
+	.get_vendor = cpu_sandbox_get_vendor,
+	.is_current = cpu_sandbox_is_current,
+};
+
+static int cpu_sandbox_bind(struct udevice *dev)
+{
+	int ret;
+	struct cpu_plat *plat = dev_get_parent_plat(dev);
+
+	/* first examine the property in current cpu node */
+	ret = dev_read_u32(dev, "timebase-frequency", &plat->timebase_freq);
+	/* if not found, then look at the parent /cpus node */
+	if (ret)
+		ret = dev_read_u32(dev->parent, "timebase-frequency",
+				   &plat->timebase_freq);
+
+	return ret;
+}
+
+static int cpu_sandbox_probe(struct udevice *dev)
+{
+	return 0;
+}
+
+static const struct udevice_id cpu_sandbox_ids[] = {
+	{ .compatible = "sandbox,cpu_sandbox" },
+	{ }
+};
+
+U_BOOT_DRIVER(cpu_sandbox) = {
+	.name           = "cpu_sandbox",
+	.id             = UCLASS_CPU,
+	.ops		= &cpu_sandbox_ops,
+	.of_match       = cpu_sandbox_ids,
+	.bind		= cpu_sandbox_bind,
+	.probe          = cpu_sandbox_probe,
+};