| Message ID | 20231208161249.1827174-4-gregory.clement@bootlin.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Add support for the Mobileye EyeQ5 SoC | expand |
On 12/8/23 7:12 PM, Gregory CLEMENT wrote: > KSEGX_SIZE is defined to size of each KSEG segment. To the size? > TO_CAC and TO_UNCAC are defined for 32bits builds and point to KSEG 0 KSEG0. > and KSEG1. > TO_PHYS remains to be 64bits only as we want people to > use __pa to avoid mixup compat address space. Mixing up? > Co-developed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> > Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> [...] MBR, Sergey
diff --git a/arch/mips/include/asm/addrspace.h b/arch/mips/include/asm/addrspace.h index 59a48c60a065c..03a5e2c8b5dc9 100644 --- a/arch/mips/include/asm/addrspace.h +++ b/arch/mips/include/asm/addrspace.h @@ -47,6 +47,11 @@ */ #define KSEGX(a) ((_ACAST32_(a)) & _ACAST32_(0xe0000000)) +/* + * Gives the size of each kernel segment + */ +#define KSEGX_SIZE 0x20000000 + /* * Returns the physical address of a CKSEGx / XKPHYS address */ diff --git a/arch/mips/include/asm/mach-generic/spaces.h b/arch/mips/include/asm/mach-generic/spaces.h index b247575c5e699..c502bdd98aad0 100644 --- a/arch/mips/include/asm/mach-generic/spaces.h +++ b/arch/mips/include/asm/mach-generic/spaces.h @@ -49,6 +49,8 @@ #define HIGHMEM_START _AC(0x20000000, UL) #endif +#define TO_UNCAC(x) CKSEG1ADDR(x) +#define TO_CAC(x) CKSEG0ADDR(x) #endif /* CONFIG_32BIT */ #ifdef CONFIG_64BIT
KSEGX_SIZE is defined to size of each KSEG segment. TO_CAC and TO_UNCAC are defined for 32bits builds and point to KSEG 0 and KSEG1. TO_PHYS remains to be 64bits only as we want people to use __pa to avoid mixup compat address space. Co-developed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> --- arch/mips/include/asm/addrspace.h | 5 +++++ arch/mips/include/asm/mach-generic/spaces.h | 2 ++ 2 files changed, 7 insertions(+)