diff options
Diffstat (limited to 'arch/frv/include/asm')
-rw-r--r-- | arch/frv/include/asm/cmpxchg.h | 2 | ||||
-rw-r--r-- | arch/frv/include/asm/dma-mapping.h | 132 | ||||
-rw-r--r-- | arch/frv/include/asm/io.h | 17 | ||||
-rw-r--r-- | arch/frv/include/asm/page.h | 2 |
4 files changed, 18 insertions, 135 deletions
diff --git a/arch/frv/include/asm/cmpxchg.h b/arch/frv/include/asm/cmpxchg.h index 5b04dd0ae..a89976510 100644 --- a/arch/frv/include/asm/cmpxchg.h +++ b/arch/frv/include/asm/cmpxchg.h @@ -69,8 +69,6 @@ extern uint32_t __xchg_32(uint32_t i, volatile void *v); #endif -#define tas(ptr) (xchg((ptr), 1)) - /*****************************************************************************/ /* * compare and conditionally exchange value with memory diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h index 2840adcd6..9a82bfa43 100644 --- a/arch/frv/include/asm/dma-mapping.h +++ b/arch/frv/include/asm/dma-mapping.h @@ -1,128 +1,17 @@ #ifndef _ASM_DMA_MAPPING_H #define _ASM_DMA_MAPPING_H -#include <linux/device.h> -#include <linux/scatterlist.h> #include <asm/cache.h> #include <asm/cacheflush.h> -#include <asm/io.h> - -/* - * See Documentation/DMA-API.txt for the description of how the - * following DMA API should work. - */ - -#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) -#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) extern unsigned long __nongprelbss dma_coherent_mem_start; extern unsigned long __nongprelbss dma_coherent_mem_end; -void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp); -void dma_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle); - -extern dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, - enum dma_data_direction direction); - -static inline -void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, - enum dma_data_direction direction) -{ - BUG_ON(direction == DMA_NONE); -} - -extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction direction); - -static inline -void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, - enum dma_data_direction direction) -{ - BUG_ON(direction == DMA_NONE); -} - -extern -dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset, - size_t size, enum dma_data_direction direction); - -static inline -void dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size, - enum dma_data_direction direction) -{ - BUG_ON(direction == DMA_NONE); -} - - -static inline -void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, - enum dma_data_direction direction) -{ -} - -static inline -void dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size, - enum dma_data_direction direction) -{ - flush_write_buffers(); -} - -static inline -void dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle, - unsigned long offset, size_t size, - enum dma_data_direction direction) -{ -} - -static inline -void dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle, - unsigned long offset, size_t size, - enum dma_data_direction direction) -{ - flush_write_buffers(); -} - -static inline -void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, - enum dma_data_direction direction) -{ -} - -static inline -void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems, - enum dma_data_direction direction) -{ - flush_write_buffers(); -} - -static inline -int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - return 0; -} - -static inline -int dma_supported(struct device *dev, u64 mask) -{ - /* - * we fall back to GFP_DMA when the mask isn't all 1s, - * so we can't guarantee allocations that must be - * within a tighter range than GFP_DMA.. - */ - if (mask < 0x00ffffff) - return 0; - - return 1; -} +extern struct dma_map_ops frv_dma_ops; -static inline -int dma_set_mask(struct device *dev, u64 mask) +static inline struct dma_map_ops *get_dma_ops(struct device *dev) { - if (!dev->dma_mask || !dma_supported(dev, mask)) - return -EIO; - - *dev->dma_mask = mask; - - return 0; + return &frv_dma_ops; } static inline @@ -132,19 +21,4 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size, flush_write_buffers(); } -/* Not supported for now */ -static inline int dma_mmap_coherent(struct device *dev, - struct vm_area_struct *vma, void *cpu_addr, - dma_addr_t dma_addr, size_t size) -{ - return -EINVAL; -} - -static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt, - void *cpu_addr, dma_addr_t dma_addr, - size_t size) -{ - return -EINVAL; -} - #endif /* _ASM_DMA_MAPPING_H */ diff --git a/arch/frv/include/asm/io.h b/arch/frv/include/asm/io.h index 70dfbea8c..8062fc73f 100644 --- a/arch/frv/include/asm/io.h +++ b/arch/frv/include/asm/io.h @@ -43,9 +43,20 @@ static inline unsigned long _swapl(unsigned long v) //#define __iormb() asm volatile("membar") //#define __iowmb() asm volatile("membar") -#define __raw_readb __builtin_read8 -#define __raw_readw __builtin_read16 -#define __raw_readl __builtin_read32 +static inline u8 __raw_readb(const volatile void __iomem *addr) +{ + return __builtin_read8((volatile void __iomem *)addr); +} + +static inline u16 __raw_readw(const volatile void __iomem *addr) +{ + return __builtin_read16((volatile void __iomem *)addr); +} + +static inline u32 __raw_readl(const volatile void __iomem *addr) +{ + return __builtin_read32((volatile void __iomem *)addr); +} #define __raw_writeb(datum, addr) __builtin_write8(addr, datum) #define __raw_writew(datum, addr) __builtin_write16(addr, datum) diff --git a/arch/frv/include/asm/page.h b/arch/frv/include/asm/page.h index 8c97068ac..688d8076a 100644 --- a/arch/frv/include/asm/page.h +++ b/arch/frv/include/asm/page.h @@ -34,7 +34,7 @@ typedef struct page *pgtable_t; #define pgprot_val(x) ((x).pgprot) #define __pte(x) ((pte_t) { (x) } ) -#define __pmd(x) ((pmd_t) { (x) } ) +#define __pmd(x) ((pmd_t) { { (x) } } ) #define __pud(x) ((pud_t) { (x) } ) #define __pgd(x) ((pgd_t) { (x) } ) #define __pgprot(x) ((pgprot_t) { (x) } ) |