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Diffstat (limited to 'src/drivers/intel/fsp1_1/car.c')
-rw-r--r--src/drivers/intel/fsp1_1/car.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/drivers/intel/fsp1_1/car.c b/src/drivers/intel/fsp1_1/car.c
new file mode 100644
index 0000000000..9f87983668
--- /dev/null
+++ b/src/drivers/intel/fsp1_1/car.c
@@ -0,0 +1,85 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.
+ */
+
+#include <console/console.h>
+#include <ec/google/chromeec/ec.h>
+#include <fsp/car.h>
+#include <soc/intel/common/util.h>
+#include <timestamp.h>
+
+asmlinkage void *cache_as_ram_main(struct cache_as_ram_params *car_params)
+{
+ /* Initialize timestamp book keeping only once. */
+ timestamp_init(car_params->tsc);
+
+ /* Call into pre-console init code then initialize console. */
+ car_soc_pre_console_init();
+ car_mainboard_pre_console_init();
+ console_init();
+
+ printk(BIOS_DEBUG, "FSP TempRamInit successful\n");
+
+ printk(BIOS_SPEW, "bist: 0x%08x\n", car_params->bist);
+ printk(BIOS_SPEW, "tsc: 0x%016llx\n", car_params->tsc);
+
+ if (car_params->bootloader_car_start != CONFIG_DCACHE_RAM_BASE ||
+ car_params->bootloader_car_end !=
+ (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE)) {
+ printk(BIOS_INFO, "CAR mismatch: %08x--%08x vs %08lx--%08lx\n",
+ CONFIG_DCACHE_RAM_BASE,
+ CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE,
+ (long)car_params->bootloader_car_start,
+ (long)car_params->bootloader_car_end);
+ }
+
+ car_soc_post_console_init();
+ car_mainboard_post_console_init();
+
+ /* Ensure the EC is in the right mode for recovery */
+ if (IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC))
+ google_chromeec_early_init();
+
+ /* Return new stack value in ram back to assembly stub. */
+ return cache_as_ram_stage_main(car_params->fih);
+}
+
+asmlinkage void after_cache_as_ram(void *chipset_context)
+{
+ timestamp_add_now(TS_FSP_TEMP_RAM_EXIT_END);
+ printk(BIOS_DEBUG, "FspTempRamExit returned successfully\n");
+ soc_display_mtrrs();
+
+ after_cache_as_ram_stage();
+}
+
+void __attribute__((weak)) car_mainboard_pre_console_init(void)
+{
+}
+
+void __attribute__((weak)) car_soc_pre_console_init(void)
+{
+}
+
+void __attribute__((weak)) car_mainboard_post_console_init(void)
+{
+}
+
+void __attribute__((weak)) car_soc_post_console_init(void)
+{
+}