Revert "Re-factor 'to_flash_offset()' into 'spi_flash.h'"

This reverts commit 9270553fff.

Change-Id: I195f721ce7a18aac6c1aa6f4e0f9284455d531b0
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8138
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>

src/drivers/intel/fsp/fastboot_cache.c

@@ -31,6 +31,15 @@
 #include <lib.h> // hexdump
 #include "fsp_util.h"
 
+#ifndef CONFIG_VIRTUAL_ROM_SIZE
+#error "CONFIG_VIRTUAL_ROM_SIZE must be set."
+#endif
+
+/* convert a pointer to flash area into the offset inside the flash */
+static inline u32 to_flash_offset(void *p) {
+	return ((u32)p + CONFIG_VIRTUAL_ROM_SIZE);
+}
+
 static struct mrc_data_container *next_mrc_block(
 	struct mrc_data_container *mrc_cache)
 {
@@ -196,7 +205,7 @@ void update_mrc_cache(void *unused)
 		       "Need to erase the MRC cache region of %d bytes at %p\n",
 		       cache_size, cache_base);
 
-		flash->erase(flash, to_flash_offset(flash, cache_base), cache_size);
+		flash->erase(flash, to_flash_offset(cache_base), cache_size);
 
 		/* we will start at the beginning again */
 		cache = cache_base;
@@ -204,7 +213,7 @@ void update_mrc_cache(void *unused)
 	/*  4. write mrc data with flash->write() */
 	printk(BIOS_DEBUG, "Write MRC cache update to flash at %p\n",
 	       cache);
-	flash->write(flash, to_flash_offset(flash, cache),
+	flash->write(flash, to_flash_offset(cache),
 		     current->mrc_data_size + sizeof(*current), current);
 }
 

src/include/spi_flash.h

@@ -76,15 +76,4 @@ static inline int spi_flash_erase(struct spi_flash *flash, u32 offset,
 	return flash->erase(flash, offset, len);
 }
 
-#if !defined(__PRE_RAM__)
-/* convert a pointer to flash area into the offset inside the flash */
-static inline u32 to_flash_offset(struct spi_flash *flash, void *p) {
-#if defined(CONFIG_VIRTUAL_ROM_SIZE)
-	return ((u32)p + CONFIG_VIRTUAL_ROM_SIZE);
-#else
-	return ((u32)p + flash->size);
-#endif /* defined(CONFIG_VIRTUAL_ROM_SIZE) */
-}
-#endif /* !defined(__PRE_RAM__) */
-
 #endif /* _SPI_FLASH_H_ */

src/northbridge/intel/haswell/mrccache.c

@@ -33,6 +33,11 @@
 #include <vendorcode/google/chromeos/fmap.h>
 #endif
 
+/* convert a pointer to flash area into the offset inside the flash */
+static inline u32 to_flash_offset(struct spi_flash *flash, void *p) {
+	return ((u32)p + flash->size);
+}
+
 static struct mrc_data_container *next_mrc_block(
 	struct mrc_data_container *mrc_cache)
 {
@@ -223,7 +228,7 @@ BOOT_STATE_INIT_ENTRIES(mrc_cache_update) = {
 	BOOT_STATE_INIT_ENTRY(BS_WRITE_TABLES, BS_ON_ENTRY,
 	                      update_mrc_cache, NULL),
 };
-#endif /* !defined(__PRE_RAM__) */
+#endif
 
 struct mrc_data_container *find_current_mrc_cache(void)
 {

src/northbridge/intel/sandybridge/mrccache.c

@@ -33,6 +33,11 @@
 #include <vendorcode/google/chromeos/fmap.h>
 #endif
 
+/* convert a pointer to flash area into the offset inside the flash */
+static inline u32 to_flash_offset(struct spi_flash *flash, void *p) {
+	return ((u32)p + flash->size);
+}
+
 static struct mrc_data_container *next_mrc_block(
 	struct mrc_data_container *mrc_cache)
 {
@@ -222,7 +227,7 @@ BOOT_STATE_INIT_ENTRIES(mrc_cache_update) = {
 	BOOT_STATE_INIT_ENTRY(BS_WRITE_TABLES, BS_ON_ENTRY,
 	                      update_mrc_cache, NULL),
 };
-#endif /* !defined(__PRE_RAM__) */
+#endif
 
 struct mrc_data_container *find_current_mrc_cache(void)
 {

src/soc/intel/common/nvm.c

@@ -46,6 +46,12 @@ static int nvm_init(void)
 	return 0;
 }
 
+/* Convert memory mapped pointer to flash offset. */
+static inline uint32_t to_flash_offset(void *p)
+{
+	return CONFIG_ROM_SIZE + (uintptr_t)p;
+}
+
 int nvm_is_erased(const void *start, size_t size)
 {
 	const uint8_t *cur = start;
@@ -64,7 +70,7 @@ int nvm_erase(void *start, size_t size)
 {
 	if (nvm_init() < 0)
 		return -1;
-	return flash->erase(flash, to_flash_offset(flash, start), size);
+	return flash->erase(flash, to_flash_offset(start), size);
 }
 
 /* Write data to NVM. Returns 0 on success < 0 on error.  */
@@ -72,5 +78,5 @@ int nvm_write(void *start, const void *data, size_t size)
 {
 	if (nvm_init() < 0)
 		return -1;
-	return flash->write(flash, to_flash_offset(flash, start), size, data);
+	return flash->write(flash, to_flash_offset(start), size, data);
 }

src/soc/intel/fsp_baytrail/nvm.c

@@ -47,6 +47,15 @@ static int nvm_init(void)
 	return 0;
 }
 
+/* Convert memory mapped pointer to flash offset. */
+static inline uint32_t to_flash_offset(void *p)
+{
+#ifndef CONFIG_ROM_SIZE
+#error CONFIG_ROM_SIZE must be set.
+#endif
+	return CONFIG_ROM_SIZE + (uintptr_t)p;
+}
+
 int nvm_is_erased(const void *start, size_t size)
 {
 	const uint8_t *cur = start;
@@ -65,7 +74,7 @@ int nvm_erase(void *start, size_t size)
 {
 	if (nvm_init() < 0)
 		return -1;
-	flash->erase(flash, to_flash_offset(flash, start), size);
+	flash->erase(flash, to_flash_offset(start), size);
 	return 0;
 }
 
@@ -74,6 +83,6 @@ int nvm_write(void *start, const void *data, size_t size)
 {
 	if (nvm_init() < 0)
 		return -1;
-	flash->write(flash, to_flash_offset(flash, start), size, data);
+	flash->write(flash, to_flash_offset(start), size, data);
 	return 0;
 }