Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 102 insertions, 0 deletions

diff --git a/roms/u-boot/arch/x86/lib/fsp/fsp_common.c b/roms/u-boot/arch/x86/lib/fsp/fsp_common.c
new file mode 100644
index 000000000..6365b0a50
--- /dev/null
+++ b/roms/u-boot/arch/x86/lib/fsp/fsp_common.c
@@ -0,0 +1,102 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+#include <common.h>
+#include <cpu_func.h>
+#include <dm.h>
+#include <errno.h>
+#include <init.h>
+#include <log.h>
+#include <rtc.h>
+#include <acpi/acpi_s3.h>
+#include <asm/cmos_layout.h>
+#include <asm/early_cmos.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/mrccache.h>
+#include <asm/post.h>
+#include <asm/processor.h>
+#include <asm/fsp/fsp_support.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkcpu(void)
+{
+	return 0;
+}
+
+int print_cpuinfo(void)
+{
+	post_code(POST_CPU_INFO);
+	return default_print_cpuinfo();
+}
+
+int fsp_init_phase_pci(void)
+{
+	u32 status;
+
+	/* call into FspNotify */
+	debug("Calling into FSP (notify phase INIT_PHASE_PCI): ");
+	status = fsp_notify(NULL, INIT_PHASE_PCI);
+	if (status)
+		debug("fail, error code %x\n", status);
+	else
+		debug("OK\n");
+
+	return status ? -EPERM : 0;
+}
+
+void board_final_init(void)
+{
+	u32 status;
+
+	/* call into FspNotify */
+	debug("Calling into FSP (notify phase INIT_PHASE_BOOT): ");
+	status = fsp_notify(NULL, INIT_PHASE_BOOT);
+	if (status)
+		debug("fail, error code %x\n", status);
+	else
+		debug("OK\n");
+}
+
+void board_final_cleanup(void)
+{
+	u32 status;
+
+	/* TODO(sjg@chromium.org): This causes Linux to crash */
+	return;
+
+	/* call into FspNotify */
+	debug("Calling into FSP (notify phase INIT_PHASE_END_FIRMWARE): ");
+	status = fsp_notify(NULL, INIT_PHASE_END_FIRMWARE);
+	if (status)
+		debug("fail, error code %x\n", status);
+	else
+		debug("OK\n");
+}
+
+int fsp_save_s3_stack(void)
+{
+	struct udevice *dev;
+	int ret;
+
+	if (gd->arch.prev_sleep_state == ACPI_S3)
+		return 0;
+
+	ret = uclass_get_device(UCLASS_RTC, 0, &dev);
+	if (ret) {
+		debug("Cannot find RTC: err=%d\n", ret);
+		return -ENODEV;
+	}
+
+	/* Save the stack address to CMOS */
+	ret = rtc_write32(dev, CMOS_FSP_STACK_ADDR, gd->start_addr_sp);
+	if (ret) {
+		debug("Save stack address to CMOS: err=%d\n", ret);
+		return -EIO;
+	}
+
+	return 0;
+}