lib: remove FLASHMAP_OFFSET config variable

The FLASHMAP_OFFSET config variable is used in lib/fmap.c, however
the fmdtool creates a fmap_config.h with a FMAP_OFFSET #define.
Those 2 values are not consistent. Therefore, remove the Kconfig
variable and defer to the #define generated by fmdtool.

Change-Id: Ib4ecbc429e142b3e250106eea59fea1caa222917
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/14765
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Leroy P Leahy <leroy.p.leahy@intel.com>

Documentation/Intel/Board/board.html

@@ -65,7 +65,6 @@
   <li>Configure coreboot build:
     <ol type="A">
       <li>Set LOCALVERSION</li>
-      <li>FLASHMAP_OFFSET = 0x00700000</li>
       <li>Select vendor for the board</li>
       <li>Select the board</li>
       <li>CBFS_SIZE = 0x00100000</li>

src/Kconfig

@@ -269,15 +269,6 @@ config NO_STAGE_CACHE
 	 Do not save any component in stage cache for resume path. On resume,
 	 all components would be read back from CBFS again.
 
-config FLASHMAP_OFFSET
-	hex "Flash Map Offset"
-	default 0x00670000 if NORTHBRIDGE_INTEL_SANDYBRIDGE
-	default 0x00610000 if NORTHBRIDGE_INTEL_IVYBRIDGE
-	default CBFS_SIZE if !ARCH_X86
-	default 0
-	help
-	  Offset of flash map in firmware image
-
 # TODO: This doesn't belong here, move to src/arch/x86/Kconfig
 choice
 	prompt "Bootblock behaviour"

src/lib/Makefile.inc

@@ -186,6 +186,13 @@ $(call src-to-obj,smm,$(dir)/cbfs.c) : $(obj)/fmap_config.h
 $(call src-to-obj,verstage,$(dir)/cbfs.c) : $(obj)/fmap_config.h
 $(call src-to-obj,postcar,$(dir)/cbfs.c) : $(obj)/fmap_config.h
 
+$(call src-to-obj,bootblock,$(dir)/fmap.c) : $(obj)/fmap_config.h
+$(call src-to-obj,romstage,$(dir)/fmap.c) : $(obj)/fmap_config.h
+$(call src-to-obj,ramstage,$(dir)/fmap.c) : $(obj)/fmap_config.h
+$(call src-to-obj,smm,$(dir)/fmap.c) : $(obj)/fmap_config.h
+$(call src-to-obj,verstage,$(dir)/fmap.c) : $(obj)/fmap_config.h
+$(call src-to-obj,postcar,$(dir)/fmap.c) : $(obj)/fmap_config.h
+
 romstage-y += bootmode.c
 ramstage-y += bootmode.c
 verstage-y += bootmode.c

src/lib/fmap.c

@@ -21,6 +21,8 @@
 #include <stddef.h>
 #include <string.h>
 
+#include "fmap_config.h"
+
 /*
  * See http://code.google.com/p/flashmap/ for more information on FMAP.
  */
@@ -32,7 +34,7 @@ int find_fmap_directory(struct region_device *fmrd)
 	const struct region_device *boot;
 	struct fmap *fmap;
 	size_t fmap_size;
-	size_t offset = CONFIG_FLASHMAP_OFFSET;
+	size_t offset = FMAP_OFFSET;
 
 	boot_device_init();
 	boot = boot_device_ro();

src/mainboard/google/nyan/Kconfig

@@ -82,10 +82,6 @@ config EC_GOOGLE_CHROMEEC_SPI_BUS
 	hex
 	default 1
 
-config FLASHMAP_OFFSET
-	hex
-	default 0x00100000
-
 config DRIVER_TPM_I2C_BUS
 	hex
 	default 0x2

src/mainboard/google/nyan_big/Kconfig

@@ -83,10 +83,6 @@ config EC_GOOGLE_CHROMEEC_SPI_BUS
 	hex
 	default 1
 
-config FLASHMAP_OFFSET
-	hex
-	default 0x00100000
-
 config DRIVER_TPM_I2C_BUS
 	hex
 	default 0x2

src/mainboard/google/nyan_blaze/Kconfig

@@ -84,10 +84,6 @@ config EC_GOOGLE_CHROMEEC_SPI_BUS
 	hex
 	default 1
 
-config FLASHMAP_OFFSET
-	hex
-	default 0x00100000
-
 config DRIVER_TPM_I2C_BUS
 	hex
 	default 0x2

src/mainboard/intel/amenia/Kconfig

@@ -46,10 +46,6 @@ config IFD_BIOS_START
 	hex
 	default 0x1000
 
-config FLASHMAP_OFFSET
-	hex
-	default 0x200000
-
 config MAX_CPUS
 	int
 	default 8