MIPS: Loongson-3: Reserve 32MB for RS780E integrated GPU
Due to datasheet, reserving 0xff800000~0xffffffff (8MB below 4GB) is not enough for RS780E integrated GPU's TOM (top of memory) registers and MSI/MSI-x memory region, so we reserve 0xfe000000~0xffffffff (32MB below 4GB). Signed-off-by: Huacai Chen <chenhc@lemote.com> Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: Steven J . Hill <sjhill@realitydiluted.com> Cc: Fuxin Zhang <zhangfx@lemote.com> Cc: Zhangjin Wu <wuzhangjin@gmail.com> Cc: linux-mips@linux-mips.org Cc: stable@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/12889/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
parent
a95d069204
commit
3484de7bcb
|
@ -213,10 +213,10 @@ static void __init node_mem_init(unsigned int node)
|
|||
BOOTMEM_DEFAULT);
|
||||
|
||||
if (node == 0 && node_end_pfn(0) >= (0xffffffff >> PAGE_SHIFT)) {
|
||||
/* Reserve 0xff800000~0xffffffff for RS780E integrated GPU */
|
||||
/* Reserve 0xfe000000~0xffffffff for RS780E integrated GPU */
|
||||
reserve_bootmem_node(NODE_DATA(node),
|
||||
(node_addrspace_offset | 0xff800000),
|
||||
8 << 20, BOOTMEM_DEFAULT);
|
||||
(node_addrspace_offset | 0xfe000000),
|
||||
32 << 20, BOOTMEM_DEFAULT);
|
||||
}
|
||||
|
||||
sparse_memory_present_with_active_regions(node);
|
||||
|
|
Loading…
Reference in a new issue