target/linux/ramips/patches-5.15/120-highmem-start-offset.patch

   1 From: Felix Fietkau <nbd@nbd.name>
   2 Date: Mon Jul 24 13:29:13 CEST 2023
   3 Subject: [PATCH] mips: ralink: increase highmem start
   4
   5 Increase highmem start address in order to support devices with 512 MB memory
   6 and MT7621 SoC
   7
   8 Signed-off-by: Felix Fietkau <nbd@nbd.name>
   9 ---
  10 --- a/arch/mips/include/asm/mach-ralink/spaces.h
  11 +++ b/arch/mips/include/asm/mach-ralink/spaces.h
  12 @@ -5,6 +5,7 @@
  13  #define PCI_IOBASE     _AC(0xa0000000, UL)
  14  #define PCI_IOSIZE     SZ_16M
  15  #define IO_SPACE_LIMIT (PCI_IOSIZE - 1)
  16 +#define HIGHMEM_START   _AC(0x24000000, UL)
  17
  18  #include <asm/mach-generic/spaces.h>
  19  #endif