diff options
Diffstat (limited to 'arch/riscv/mm/init.c')
| -rw-r--r-- | arch/riscv/mm/init.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index e83df7a24938..b2fe9d1be833 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -26,6 +26,7 @@ unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] EXPORT_SYMBOL(empty_zero_page); extern char _start[]; +void *dtb_early_va; static void __init zone_sizes_init(void) { @@ -40,7 +41,7 @@ static void __init zone_sizes_init(void) free_area_init_nodes(max_zone_pfns); } -void setup_zero_page(void) +static void setup_zero_page(void) { memset((void *)empty_zero_page, 0, PAGE_SIZE); } @@ -142,12 +143,12 @@ void __init setup_bootmem(void) } } +#ifdef CONFIG_MMU unsigned long va_pa_offset; EXPORT_SYMBOL(va_pa_offset); unsigned long pfn_base; EXPORT_SYMBOL(pfn_base); -void *dtb_early_va; pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned_bss; pgd_t trampoline_pg_dir[PTRS_PER_PGD] __page_aligned_bss; pte_t fixmap_pte[PTRS_PER_PTE] __page_aligned_bss; @@ -444,6 +445,16 @@ static void __init setup_vm_final(void) csr_write(CSR_SATP, PFN_DOWN(__pa(swapper_pg_dir)) | SATP_MODE); local_flush_tlb_all(); } +#else +asmlinkage void __init setup_vm(uintptr_t dtb_pa) +{ + dtb_early_va = (void *)dtb_pa; +} + +static inline void setup_vm_final(void) +{ +} +#endif /* CONFIG_MMU */ void __init paging_init(void) { |