1 files changed, 103 insertions, 0 deletions
diff --git a/roms/u-boot/arch/x86/lib/fsp1/fsp_common.c b/roms/u-boot/arch/x86/lib/fsp1/fsp_common.c
new file mode 100644
index 000000000..209261718
--- /dev/null
+++ b/roms/u-boot/arch/x86/lib/fsp1/fsp_common.c
@@ -0,0 +1,103 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <init.h>
+#include <log.h>
+#include <malloc.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/fsp1/fsp_support.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static void *fsp_prepare_mrc_cache(void)
+{
+	struct mrc_data_container *cache;
+	struct mrc_region entry;
+	int ret;
+
+	ret = mrccache_get_region(MRC_TYPE_NORMAL, NULL, &entry);
+	if (ret)
+		return NULL;
+
+	cache = mrccache_find_current(&entry);
+	if (!cache)
+		return NULL;
+
+	debug("%s: mrc cache at %p, size %x checksum %04x\n", __func__,
+	      cache->data, cache->data_size, cache->checksum);
+
+	return cache->data;
+}
+
+int arch_fsp_init(void)
+{
+	void *nvs;
+	int stack = CONFIG_FSP_TEMP_RAM_ADDR;
+	int boot_mode = BOOT_FULL_CONFIG;
+	int prev_sleep_state;
+
+	if (IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)) {
+		prev_sleep_state = chipset_prev_sleep_state();
+		gd->arch.prev_sleep_state = prev_sleep_state;
+	}
+
+	if (!gd->arch.hob_list) {
+		if (IS_ENABLED(CONFIG_ENABLE_MRC_CACHE))
+			nvs = fsp_prepare_mrc_cache();
+		else
+			nvs = NULL;
+
+		if (IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) &&
+		    prev_sleep_state == ACPI_S3) {
+			if (nvs == NULL) {
+				/* If waking from S3 and no cache then */
+				debug("No MRC cache found in S3 resume path\n");
+				post_code(POST_RESUME_FAILURE);
+				/* Clear Sleep Type */
+				chipset_clear_sleep_state();
+				/* Reboot */
+				debug("Rebooting..\n");
+				outb(SYS_RST | RST_CPU, IO_PORT_RESET);
+				/* Should not reach here.. */
+				panic("Reboot System");
+			}
+
+			/*
+			 * DM is not available yet at this point, hence call
+			 * CMOS access library which does not depend on DM.
+			 */
+			stack = cmos_read32(CMOS_FSP_STACK_ADDR);
+			boot_mode = BOOT_ON_S3_RESUME;
+		}
+
+		/*
+		 * The first time we enter here, call fsp_init().
+		 * Note the execution does not return to this function,
+		 * instead it jumps to fsp_continue().
+		 */
+		fsp_init(stack, boot_mode, nvs);
+	} else {
+		/*
+		 * The second time we enter here, adjust the size of malloc()
+		 * pool before relocation. Given gd->malloc_base was adjusted
+		 * after the call to board_init_f_init_reserve() in arch/x86/
+		 * cpu/start.S, we should fix up gd->malloc_limit here.
+		 */
+		gd->malloc_limit += CONFIG_FSP_SYS_MALLOC_F_LEN;
+	}
+
+	return 0;
+}