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-rw-r--r--arch/mips/loongson/common/mem.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/mips/loongson/common/mem.c b/arch/mips/loongson/common/mem.c
index 8626a42f5b9..b01d52473da 100644
--- a/arch/mips/loongson/common/mem.c
+++ b/arch/mips/loongson/common/mem.c
@@ -11,9 +11,14 @@
#include <asm/bootinfo.h>
#include <loongson.h>
+#include <boot_param.h>
#include <mem.h>
#include <pci.h>
+#ifndef CONFIG_LEFI_FIRMWARE_INTERFACE
+
+u32 memsize, highmemsize;
+
void __init prom_init_memory(void)
{
add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM);
@@ -49,6 +54,43 @@ void __init prom_init_memory(void)
#endif /* !CONFIG_64BIT */
}
+#else /* CONFIG_LEFI_FIRMWARE_INTERFACE */
+
+void __init prom_init_memory(void)
+{
+ int i;
+ u32 node_id;
+ u32 mem_type;
+
+ /* parse memory information */
+ for (i = 0; i < loongson_memmap->nr_map; i++) {
+ node_id = loongson_memmap->map[i].node_id;
+ mem_type = loongson_memmap->map[i].mem_type;
+
+ if (node_id == 0) {
+ switch (mem_type) {
+ case SYSTEM_RAM_LOW:
+ add_memory_region(loongson_memmap->map[i].mem_start,
+ (u64)loongson_memmap->map[i].mem_size << 20,
+ BOOT_MEM_RAM);
+ break;
+ case SYSTEM_RAM_HIGH:
+ add_memory_region(loongson_memmap->map[i].mem_start,
+ (u64)loongson_memmap->map[i].mem_size << 20,
+ BOOT_MEM_RAM);
+ break;
+ case MEM_RESERVED:
+ add_memory_region(loongson_memmap->map[i].mem_start,
+ (u64)loongson_memmap->map[i].mem_size << 20,
+ BOOT_MEM_RESERVED);
+ break;
+ }
+ }
+ }
+}
+
+#endif /* CONFIG_LEFI_FIRMWARE_INTERFACE */
+
/* override of arch/mips/mm/cache.c: __uncached_access */
int __uncached_access(struct file *file, unsigned long addr)
{