diff options
Diffstat (limited to 'arch/arm64/include')
| -rw-r--r-- | arch/arm64/include/asm/io.h | 3 | ||||
| -rw-r--r-- | arch/arm64/include/asm/memory.h | 1 | ||||
| -rw-r--r-- | arch/arm64/include/asm/mmu.h | 1 |
3 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h index d2f05a60827..57f12c991de 100644 --- a/arch/arm64/include/asm/io.h +++ b/arch/arm64/include/asm/io.h @@ -230,6 +230,9 @@ extern void __iounmap(volatile void __iomem *addr); #define ioremap_wc(addr, size) __ioremap((addr), (size), __pgprot(PROT_NORMAL_NC)) #define iounmap __iounmap +#define PROT_SECT_DEFAULT (PMD_TYPE_SECT | PMD_SECT_AF) +#define PROT_SECT_DEVICE_nGnRE (PROT_SECT_DEFAULT | PTE_PXN | PTE_UXN | PMD_ATTRINDX(MT_DEVICE_nGnRE)) + #define ARCH_HAS_IOREMAP_WC #include <asm-generic/iomap.h> diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h index 1cac16a001c..381f556b664 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -43,6 +43,7 @@ #define PAGE_OFFSET UL(0xffffffc000000000) #define MODULES_END (PAGE_OFFSET) #define MODULES_VADDR (MODULES_END - SZ_64M) +#define EARLYCON_IOBASE (MODULES_VADDR - SZ_4M) #define VA_BITS (39) #define TASK_SIZE_64 (UL(1) << VA_BITS) diff --git a/arch/arm64/include/asm/mmu.h b/arch/arm64/include/asm/mmu.h index d4f7fd5b9e3..2494fc01896 100644 --- a/arch/arm64/include/asm/mmu.h +++ b/arch/arm64/include/asm/mmu.h @@ -26,5 +26,6 @@ typedef struct { extern void paging_init(void); extern void setup_mm_for_reboot(void); +extern void __iomem *early_io_map(phys_addr_t phys, unsigned long virt); #endif |