diff options
Diffstat (limited to 'arch/nios2')
| -rw-r--r-- | arch/nios2/Kconfig | 2 | ||||
| -rw-r--r-- | arch/nios2/include/asm/cachetype.h | 10 | ||||
| -rw-r--r-- | arch/nios2/include/asm/page.h | 2 | ||||
| -rw-r--r-- | arch/nios2/include/asm/pgtable.h | 2 | ||||
| -rw-r--r-- | arch/nios2/kernel/prom.c | 6 |
5 files changed, 20 insertions, 2 deletions
diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig index 58d9565dc2..9c0e6eaeb0 100644 --- a/arch/nios2/Kconfig +++ b/arch/nios2/Kconfig @@ -2,6 +2,7 @@ config NIOS2 def_bool y select ARCH_32BIT_OFF_T + select ARCH_HAS_CPU_CACHE_ALIASING select ARCH_HAS_DMA_PREP_COHERENT select ARCH_HAS_SYNC_DMA_FOR_CPU select ARCH_HAS_SYNC_DMA_FOR_DEVICE @@ -15,6 +16,7 @@ config NIOS2 select GENERIC_IRQ_SHOW select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_KGDB + select HAVE_PAGE_SIZE_4KB select IRQ_DOMAIN select LOCK_MM_AND_FIND_VMA select MODULES_USE_ELF_RELA diff --git a/arch/nios2/include/asm/cachetype.h b/arch/nios2/include/asm/cachetype.h new file mode 100644 index 0000000000..eb9c416b8a --- /dev/null +++ b/arch/nios2/include/asm/cachetype.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_NIOS2_CACHETYPE_H +#define __ASM_NIOS2_CACHETYPE_H + +#include <asm/page.h> +#include <asm/cache.h> + +#define cpu_dcache_is_aliasing() (NIOS2_DCACHE_SIZE > PAGE_SIZE) + +#endif diff --git a/arch/nios2/include/asm/page.h b/arch/nios2/include/asm/page.h index 0ae7d9ce36..0722f88e63 100644 --- a/arch/nios2/include/asm/page.h +++ b/arch/nios2/include/asm/page.h @@ -21,7 +21,7 @@ /* * PAGE_SHIFT determines the page size */ -#define PAGE_SHIFT 12 +#define PAGE_SHIFT CONFIG_PAGE_SHIFT #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) #define PAGE_MASK (~(PAGE_SIZE - 1)) diff --git a/arch/nios2/include/asm/pgtable.h b/arch/nios2/include/asm/pgtable.h index 5144506dfa..d052dfcbe8 100644 --- a/arch/nios2/include/asm/pgtable.h +++ b/arch/nios2/include/asm/pgtable.h @@ -178,6 +178,8 @@ static inline void set_pte(pte_t *ptep, pte_t pteval) *ptep = pteval; } +#define PFN_PTE_SHIFT 0 + static inline void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte, unsigned int nr) { diff --git a/arch/nios2/kernel/prom.c b/arch/nios2/kernel/prom.c index 8d98af5c72..9a8393e6b4 100644 --- a/arch/nios2/kernel/prom.c +++ b/arch/nios2/kernel/prom.c @@ -21,7 +21,8 @@ void __init early_init_devtree(void *params) { - __be32 *dtb = (u32 *)__dtb_start; + __be32 __maybe_unused *dtb = (u32 *)__dtb_start; + #if defined(CONFIG_NIOS2_DTB_AT_PHYS_ADDR) if (be32_to_cpup((__be32 *)CONFIG_NIOS2_DTB_PHYS_ADDR) == OF_DT_HEADER) { @@ -30,8 +31,11 @@ void __init early_init_devtree(void *params) return; } #endif + +#ifdef CONFIG_NIOS2_DTB_SOURCE_BOOL if (be32_to_cpu((__be32) *dtb) == OF_DT_HEADER) params = (void *)__dtb_start; +#endif early_init_dt_scan(params); } |