efi: ia64: move SAL systab handling out of generic EFI code

The SAL systab is an Itanium specific EFI configuration table, so
move its handling into arch/ia64 where it belongs.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

arch/ia64/include/asm/sal.h

@@ -43,6 +43,7 @@
 #include <asm/pal.h>
 #include <asm/fpu.h>
 
+extern unsigned long sal_systab_phys;
 extern spinlock_t sal_lock;
 
 /* SAL spec _requires_ eight args for each call. */

arch/ia64/include/asm/sn/sn_sal.h

@@ -167,7 +167,7 @@
 static inline u32
 sn_sal_rev(void)
 {
-	struct ia64_sal_systab *systab = __va(efi.sal_systab);
+	struct ia64_sal_systab *systab = __va(sal_systab_phys);
 
 	return (u32)(systab->sal_b_rev_major << 8 | systab->sal_b_rev_minor);
 }

arch/ia64/kernel/efi.c

@@ -47,8 +47,11 @@
 
 static __initdata unsigned long palo_phys;
 
+unsigned long sal_systab_phys = EFI_INVALID_TABLE_ADDR;
+
 static __initdata efi_config_table_type_t arch_tables[] = {
 	{PROCESSOR_ABSTRACTION_LAYER_OVERWRITE_GUID, "PALO", &palo_phys},
+	{SAL_SYSTEM_TABLE_GUID, "SALsystab", &sal_systab_phys},
 	{NULL_GUID, NULL, 0},
 };
 

arch/ia64/kernel/setup.c

@@ -572,7 +572,7 @@ setup_arch (char **cmdline_p)
 	find_memory();
 
 	/* process SAL system table: */
-	ia64_sal_init(__va(efi.sal_systab));
+	ia64_sal_init(__va(sal_systab_phys));
 
 #ifdef CONFIG_ITANIUM
 	ia64_patch_rse((u64) __start___rse_patchlist, (u64) __end___rse_patchlist);