MIPS: init: Drop boot_mem_map

boot_mem_map was introduced very early and cannot handle memory maps
with nid. Nowadays, memblock can exactly replace boot_mem_map.

Detect pfn info and setup resources with memblock maps.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
[paul.burton@mips.com: Fix size calculation in check_kernel_sections_mem]
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Cc: yasha.che3@gmail.com
Cc: aurelien@aurel32.net
Cc: sfr@canb.auug.org.au
Cc: fancer.lancer@gmail.com
Cc: matt.redfearn@mips.com
Cc: chenhc@lemote.com

arch/mips/include/asm/bootinfo.h

@@ -88,28 +88,12 @@ const char *get_system_type(void);
 
 extern unsigned long mips_machtype;
 
-#define BOOT_MEM_MAP_MAX	32
 #define BOOT_MEM_RAM		1
 #define BOOT_MEM_ROM_DATA	2
 #define BOOT_MEM_RESERVED	3
 #define BOOT_MEM_INIT_RAM	4
 #define BOOT_MEM_NOMAP		5
 
-/*
- * A memory map that's built upon what was determined
- * or specified on the command line.
- */
-struct boot_mem_map {
-	int nr_map;
-	struct boot_mem_map_entry {
-		phys_addr_t addr;	/* start of memory segment */
-		phys_addr_t size;	/* size of memory segment */
-		long type;		/* type of memory segment */
-	} map[BOOT_MEM_MAP_MAX];
-};
-
-extern struct boot_mem_map boot_mem_map;
-
 extern void add_memory_region(phys_addr_t start, phys_addr_t size, long type);
 extern void detect_memory_region(phys_addr_t start, phys_addr_t sz_min,  phys_addr_t sz_max);