Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 114 insertions, 0 deletions

diff --git a/roms/u-boot/drivers/rtc/sandbox_rtc.c b/roms/u-boot/drivers/rtc/sandbox_rtc.c
new file mode 100644
index 000000000..657e5c7be
--- /dev/null
+++ b/roms/u-boot/drivers/rtc/sandbox_rtc.c
@@ -0,0 +1,114 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2015 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <i2c.h>
+#include <rtc.h>
+#include <asm/rtc.h>
+#include <dm/acpi.h>
+
+#define REG_COUNT 0x80
+
+static int sandbox_rtc_get(struct udevice *dev, struct rtc_time *time)
+{
+	u8 buf[7];
+	int ret;
+
+	ret = dm_i2c_read(dev, REG_SEC, buf, sizeof(buf));
+	if (ret < 0)
+		return ret;
+
+	time->tm_sec  = buf[REG_SEC - REG_SEC];
+	time->tm_min  = buf[REG_MIN - REG_SEC];
+	time->tm_hour = buf[REG_HOUR - REG_SEC];
+	time->tm_mday = buf[REG_MDAY - REG_SEC];
+	time->tm_mon  = buf[REG_MON - REG_SEC];
+	time->tm_year = buf[REG_YEAR - REG_SEC] + 1900;
+	time->tm_wday = buf[REG_WDAY - REG_SEC];
+
+	return 0;
+}
+
+static int sandbox_rtc_set(struct udevice *dev, const struct rtc_time *time)
+{
+	u8 buf[7];
+	int ret;
+
+	buf[REG_SEC - REG_SEC]  = time->tm_sec;
+	buf[REG_MIN - REG_SEC]  = time->tm_min;
+	buf[REG_HOUR - REG_SEC] = time->tm_hour;
+	buf[REG_MDAY - REG_SEC] = time->tm_mday;
+	buf[REG_MON  - REG_SEC] = time->tm_mon;
+	buf[REG_YEAR - REG_SEC] = time->tm_year - 1900;
+	buf[REG_WDAY - REG_SEC] = time->tm_wday;
+
+	ret = dm_i2c_write(dev, REG_SEC, buf, sizeof(buf));
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static int sandbox_rtc_reset(struct udevice *dev)
+{
+	return dm_i2c_reg_write(dev, REG_RESET, 0);
+}
+
+static int sandbox_rtc_read8(struct udevice *dev, unsigned int reg)
+{
+	return dm_i2c_reg_read(dev, reg);
+}
+
+static int sandbox_rtc_write8(struct udevice *dev, unsigned int reg, int val)
+{
+	return dm_i2c_reg_write(dev, reg, val);
+}
+
+#if CONFIG_IS_ENABLED(ACPIGEN)
+static int sandbox_rtc_get_name(const struct udevice *dev, char *out_name)
+{
+	return acpi_copy_name(out_name, "RTCC");
+}
+
+struct acpi_ops sandbox_rtc_acpi_ops = {
+	.get_name	= sandbox_rtc_get_name,
+};
+#endif
+
+static int sandbox_rtc_bind(struct udevice *dev)
+{
+#if CONFIG_IS_ENABLED(PLATDATA)
+	struct sandbox_i2c_rtc_plat_data *plat = dev_get_plat(dev);
+
+	/* Set up the emul_idx for i2c_emul_find() */
+	i2c_emul_set_idx(dev, plat->dtplat.sandbox_emul->idx);
+#endif
+
+	return 0;
+}
+
+static const struct rtc_ops sandbox_rtc_ops = {
+	.get = sandbox_rtc_get,
+	.set = sandbox_rtc_set,
+	.reset = sandbox_rtc_reset,
+	.read8 = sandbox_rtc_read8,
+	.write8 = sandbox_rtc_write8,
+};
+
+static const struct udevice_id sandbox_rtc_ids[] = {
+	{ .compatible = "sandbox-rtc" },
+	{ }
+};
+
+U_BOOT_DRIVER(sandbox_rtc) = {
+	.name	= "sandbox_rtc",
+	.id	= UCLASS_RTC,
+	.of_match = sandbox_rtc_ids,
+	.ops	= &sandbox_rtc_ops,
+	.bind	= sandbox_rtc_bind,
+	ACPI_OPS_PTR(&sandbox_rtc_acpi_ops)
+};