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Diffstat (limited to 'arch/mips/loongson64/init.c')
-rw-r--r--arch/mips/loongson64/init.c47
1 files changed, 32 insertions, 15 deletions
diff --git a/arch/mips/loongson64/init.c b/arch/mips/loongson64/init.c
index 76e0a9636a0e..3d147de87d3f 100644
--- a/arch/mips/loongson64/init.c
+++ b/arch/mips/loongson64/init.c
@@ -49,8 +49,7 @@ void virtual_early_config(void)
void __init szmem(unsigned int node)
{
u32 i, mem_type;
- static unsigned long num_physpages;
- u64 node_id, node_psize, start_pfn, end_pfn, mem_start, mem_size;
+ phys_addr_t node_id, mem_start, mem_size;
/* Otherwise come from DTB */
if (loongson_sysconf.fw_interface != LOONGSON_LEFI)
@@ -64,28 +63,46 @@ void __init szmem(unsigned int node)
mem_type = loongson_memmap->map[i].mem_type;
mem_size = loongson_memmap->map[i].mem_size;
- mem_start = loongson_memmap->map[i].mem_start;
+
+ /* Memory size comes in MB if MEM_SIZE_IS_IN_BYTES not set */
+ if (mem_size & MEM_SIZE_IS_IN_BYTES)
+ mem_size &= ~MEM_SIZE_IS_IN_BYTES;
+ else
+ mem_size = mem_size << 20;
+
+ mem_start = (node_id << 44) | loongson_memmap->map[i].mem_start;
switch (mem_type) {
case SYSTEM_RAM_LOW:
case SYSTEM_RAM_HIGH:
- start_pfn = ((node_id << 44) + mem_start) >> PAGE_SHIFT;
- node_psize = (mem_size << 20) >> PAGE_SHIFT;
- end_pfn = start_pfn + node_psize;
- num_physpages += node_psize;
- pr_info("Node%d: mem_type:%d, mem_start:0x%llx, mem_size:0x%llx MB\n",
- (u32)node_id, mem_type, mem_start, mem_size);
- pr_info(" start_pfn:0x%llx, end_pfn:0x%llx, num_physpages:0x%lx\n",
- start_pfn, end_pfn, num_physpages);
- memblock_add_node(PFN_PHYS(start_pfn), PFN_PHYS(node_psize), node);
+ case UMA_VIDEO_RAM:
+ pr_info("Node %d, mem_type:%d\t[%pa], %pa bytes usable\n",
+ (u32)node_id, mem_type, &mem_start, &mem_size);
+ memblock_add_node(mem_start, mem_size, node,
+ MEMBLOCK_NONE);
break;
case SYSTEM_RAM_RESERVED:
- pr_info("Node%d: mem_type:%d, mem_start:0x%llx, mem_size:0x%llx MB\n",
- (u32)node_id, mem_type, mem_start, mem_size);
- memblock_reserve(((node_id << 44) + mem_start), mem_size << 20);
+ case VIDEO_ROM:
+ case ADAPTER_ROM:
+ case ACPI_TABLE:
+ case SMBIOS_TABLE:
+ pr_info("Node %d, mem_type:%d\t[%pa], %pa bytes reserved\n",
+ (u32)node_id, mem_type, &mem_start, &mem_size);
+ memblock_reserve(mem_start, mem_size);
+ break;
+ /* We should not reserve VUMA_VIDEO_RAM as it overlaps with MMIO */
+ case VUMA_VIDEO_RAM:
+ default:
+ pr_info("Node %d, mem_type:%d\t[%pa], %pa bytes unhandled\n",
+ (u32)node_id, mem_type, &mem_start, &mem_size);
break;
}
}
+
+ /* Reserve vgabios if it comes from firmware */
+ if (loongson_sysconf.vgabios_addr)
+ memblock_reserve(virt_to_phys((void *)loongson_sysconf.vgabios_addr),
+ SZ_256K);
}
#ifndef CONFIG_NUMA