soc/intel/apollolake: Don't use CAR_GLOBAL

All platforms using this code have NO_CAR_GLOBAL_MIGRATION.

Change-Id: I0f393385aa94f18c2e05af3b5a54999575323d18
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/30510
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/soc/intel/apollolake/meminit.c

@@ -12,7 +12,6 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  */
-#include <arch/early_variables.h>
 #include <console/console.h>
 #include <fsp/util.h>
 #include <memory_info.h>
@@ -21,11 +20,11 @@
 #include <fsp/soc_binding.h>
 #include <string.h>
 
-static size_t memory_size_mib CAR_GLOBAL;
+static size_t memory_size_mib;
 
 size_t memory_in_system_in_mib(void)
 {
-	return car_get_var(memory_size_mib);
+	return memory_size_mib;
 }
 
 static void accumulate_channel_memory(int density, int dual_rank)
@@ -61,7 +60,7 @@ static void accumulate_channel_memory(int density, int dual_rank)
 
 	sz *= GiB / MiB;
 
-	car_set_var(memory_size_mib, car_get_var(memory_size_mib) + sz);
+	memory_size_mib += sz;
 }
 
 size_t iohole_in_mib(void)

src/soc/intel/apollolake/mmap_boot.c

@@ -16,7 +16,6 @@
  * GNU General Public License for more details.
  */
 
-#include <arch/early_variables.h>
 #include <boot_device.h>
 #include <cbfs.h>
 #include <commonlib/region.h>
@@ -57,17 +56,17 @@
  *
  */
 
-static size_t bios_size CAR_GLOBAL;
+static size_t bios_size;
 
-static struct mem_region_device shadow_dev CAR_GLOBAL;
-static struct xlate_region_device real_dev CAR_GLOBAL;
+static struct mem_region_device shadow_dev;
+static struct xlate_region_device real_dev;
 
 static void bios_mmap_init(void)
 {
 	size_t size, start, bios_mapped_size;
 	uintptr_t base;
 
-	size = car_get_var(bios_size);
+	size = bios_size;
 
 	/* If bios_size is initialized, then bail out. */
 	if (size != 0)
@@ -83,34 +82,25 @@ static void bios_mmap_init(void)
 	 */
 	bios_mapped_size = size - 256 * KiB;
 
-	struct mem_region_device *shadow_dev_ptr;
-	struct xlate_region_device *real_dev_ptr;
-	shadow_dev_ptr = car_get_var_ptr(&shadow_dev);
-	real_dev_ptr = car_get_var_ptr(&real_dev);
-
-	mem_region_device_ro_init(shadow_dev_ptr, (void *)base,
+	mem_region_device_ro_init(&shadow_dev, (void *)base,
 			       bios_mapped_size);
 
-	xlate_region_device_ro_init(real_dev_ptr, &shadow_dev_ptr->rdev,
+	xlate_region_device_ro_init(&real_dev, &shadow_dev.rdev,
 				 start, bios_mapped_size,
 				 CONFIG_ROM_SIZE);
 
-	car_set_var(bios_size, size);
+	bios_size = size;
 }
 
 const struct region_device *boot_device_ro(void)
 {
 	bios_mmap_init();
 
-	struct xlate_region_device *real_dev_ptr;
-	real_dev_ptr = car_get_var_ptr(&real_dev);
-
-	return &real_dev_ptr->rdev;
+	return &real_dev.rdev;
 }
 
 static int iafw_boot_region_properties(struct cbfs_props *props)
 {
-	struct xlate_region_device *real_dev_ptr;
 	struct region *real_dev_reg;
 	struct region regn;
 
@@ -123,8 +113,7 @@ static int iafw_boot_region_properties(struct cbfs_props *props)
 
 	/* Check that we are within the memory mapped area. It's too
 	   easy to forget the SRAM mapping when crafting an FMAP file. */
-	real_dev_ptr = car_get_var_ptr(&real_dev);
-	real_dev_reg = &real_dev_ptr->sub_region;
+	real_dev_reg = &real_dev.sub_region;
 	if (region_is_subregion(real_dev_reg, &regn)) {
 		printk(BIOS_DEBUG, "CBFS @ %zx size %zx\n",
 		       props->offset, props->size);

src/soc/intel/apollolake/romstage.c

@@ -17,7 +17,6 @@
  */
 
 #include <arch/cpu.h>
-#include <arch/early_variables.h>
 #include <device/pci_ops.h>
 #include <arch/symbols.h>
 #include <assert.h>
@@ -57,7 +56,7 @@ static const uint8_t hob_variable_guid[16] = {
 	0x8d, 0xe6, 0xc0, 0x44, 0x64, 0x1d, 0xe9, 0x42,
 };
 
-static uint32_t fsp_version CAR_GLOBAL;
+static uint32_t fsp_version;
 
 /* High Performance Event Timer Configuration */
 #define P2SB_HPTC				0x60
@@ -236,7 +235,7 @@ asmlinkage void car_stage_entry(void)
 							&var_size);
 	if (new_var_data)
 		mrc_cache_stash_data(MRC_VARIABLE_DATA,
-				car_get_var(fsp_version), new_var_data,
+				fsp_version, new_var_data,
 				var_size);
 	else
 		printk(BIOS_ERR, "Failed to determine variable data\n");
@@ -410,7 +409,7 @@ void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version)
 		mupd->FspmConfig.VariableNvsBufferPtr = rdev_mmap_full(&rdev);
 	}
 
-	car_set_var(fsp_version, version);
+	fsp_version = version;
 
 }