lenovo: Hide SMBIOS config

It's derived from EEPROM on Lenovo machines and not from user config
which is ignored.

Change-Id: I54fb76a3160e47cd36d33d2937c4bfaddcd36a69
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7055
Tested-by: build bot (Jenkins)
Reviewed-by: Nicolas Reinecke <nr@das-labor.org>

src/Kconfig

@@ -588,9 +588,14 @@ config GENERATE_SMBIOS_TABLES
 
 	  If unsure, say Y.
 
+config SMBIOS_PROVIDED_BY_MOBO
+	bool
+	default n
+
 config MAINBOARD_SERIAL_NUMBER
 	string "SMBIOS Serial Number"
 	depends on GENERATE_SMBIOS_TABLES
+	depends on !SMBIOS_PROVIDED_BY_MOBO
 	default "123456789"
 	help
 	  The Serial Number to store in SMBIOS structures.
@@ -598,6 +603,7 @@ config MAINBOARD_SERIAL_NUMBER
 config MAINBOARD_VERSION
 	string "SMBIOS Version Number"
 	depends on GENERATE_SMBIOS_TABLES
+	depends on !SMBIOS_PROVIDED_BY_MOBO
 	default "1.0"
 	help
 	  The Version Number to store in SMBIOS structures.
@@ -605,6 +611,7 @@ config MAINBOARD_VERSION
 config MAINBOARD_SMBIOS_MANUFACTURER
 	string "SMBIOS Manufacturer"
 	depends on GENERATE_SMBIOS_TABLES
+	depends on !SMBIOS_PROVIDED_BY_MOBO
 	default MAINBOARD_VENDOR
 	help
 	  Override the default Manufacturer stored in SMBIOS structures.
@@ -612,6 +619,7 @@ config MAINBOARD_SMBIOS_MANUFACTURER
 config MAINBOARD_SMBIOS_PRODUCT_NAME
 	string "SMBIOS Product name"
 	depends on GENERATE_SMBIOS_TABLES
+	depends on !SMBIOS_PROVIDED_BY_MOBO
 	default MAINBOARD_PART_NUMBER
 	help
 	  Override the default Product name stored in SMBIOS structures.

src/arch/x86/boot/smbios.c

@@ -281,6 +281,8 @@ static int smbios_write_type0(unsigned long *current, int handle)
 	return len;
 }
 
+#if !CONFIG_SMBIOS_PROVIDED_BY_MOBO
+
 const char *__attribute__((weak)) smbios_mainboard_serial_number(void)
 {
 	return CONFIG_MAINBOARD_SERIAL_NUMBER;
@@ -305,6 +307,7 @@ void __attribute__((weak)) smbios_mainboard_set_uuid(u8 *uuid)
 {
 	/* leave all zero */
 }
+#endif
 
 #ifdef CONFIG_MAINBOARD_FAMILY
 const char *smbios_mainboard_family(void)

src/drivers/i2c/Kconfig

@@ -1,6 +1,7 @@
 source src/drivers/i2c/adm1026/Kconfig
 source src/drivers/i2c/adm1027/Kconfig
 source src/drivers/i2c/adt7463/Kconfig
+source src/drivers/i2c/at24rf08c/Kconfig
 source src/drivers/i2c/i2cmux/Kconfig
 source src/drivers/i2c/i2cmux2/Kconfig
 source src/drivers/i2c/lm63/Kconfig

src/drivers/i2c/at24rf08c/Kconfig

@@ -0,0 +1,7 @@
+if VENDOR_LENOVO
+
+config SMBIOS_PROVIDED_BY_MOBO
+	bool
+	default y
+
+endif

src/drivers/i2c/at24rf08c/lenovo_serials.c

@@ -213,3 +213,8 @@ const char *smbios_mainboard_bios_version(void)
 	s = strconcat("CBET4000 ", coreboot_version);
 	return s;
 }
+
+const char *smbios_mainboard_manufacturer(void)
+{
+	return "LENOVO";
+}