Change read_option() to a macro that wraps some API uglyness

Simplify
read_option(CMOS_VSTART_foo, CMOS_VLEN_foo, somedefault)
to
read_option(foo, somedefault)

Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Acked-by: Stefan Reinauer <stefan.reinauer@coreboot.org>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6565 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/cpu/amd/dualcore/dualcore.c

@@ -49,7 +49,7 @@ static inline void start_other_cores(void)
 	unsigned nodes;
 	unsigned nodeid;
 
-	if (read_option(CMOS_VSTART_multi_core, CMOS_VLEN_multi_core, 0))  {
+	if (read_option(multi_core, 0))  {
 		return; // disable multi_core
 	}
 

src/cpu/amd/model_10xxx/init_cpus.c

@@ -72,7 +72,7 @@ static void for_each_ap(u32 bsp_apicid, u32 core_range, process_ap_t process_ap,
 	nodes = get_nodes();
 
 	if (!CONFIG_LOGICAL_CPUS ||
-	    read_option(CMOS_VSTART_multi_core, CMOS_VLEN_multi_core, 0) != 0) {	// 0 means multi core
+	    read_option(multi_core, 0) != 0) {	// 0 means multi core
 		disable_siblings = 1;
 	} else {
 		disable_siblings = 0;

src/cpu/amd/model_fxx/init_cpus.c

@@ -25,7 +25,7 @@ static void for_each_ap(u32 bsp_apicid, u32 core_range, process_ap_t process_ap,
 	nodes = get_nodes();
 
 	if (!CONFIG_LOGICAL_CPUS ||
-	    read_option(CMOS_VSTART_multi_core, CMOS_VLEN_multi_core, 0) != 0) {	// 0 means multi core
+	    read_option(multi_core, 0) != 0) {	// 0 means multi core
 		disable_siblings = 1;
 	} else {
 		disable_siblings = 0;

src/cpu/amd/quadcore/quadcore.c

@@ -82,7 +82,7 @@ static void start_other_cores(void)
 	u32 nodeid;
 
 	// disable multi_core
-	if (read_option(CMOS_VSTART_multi_core, CMOS_VLEN_multi_core, 0) != 0)  {
+	if (read_option(multi_core, 0) != 0)  {
 		printk(BIOS_DEBUG, "Skip additional core init\n");
 		return;
 	}