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| author | Suren A. Chilingaryan <csa@suren.me> | 2015-11-18 05:10:04 +0100 |
|---|---|---|
| committer | Suren A. Chilingaryan <csa@suren.me> | 2015-11-18 05:10:04 +0100 |
| commit | 815924bac97aed5e4b662d5aafeed9634b82af4a (patch) | |
| tree | 9dcdc13daf56a9ca631767a7d6c7b97392a76322 /dma/ipe_private.h | |
| parent | 641ddcdeec81fd38132eec5b4a83de9f7ea9a079 (diff) | |
| download | pcitool-815924bac97aed5e4b662d5aafeed9634b82af4a.tar.gz pcitool-815924bac97aed5e4b662d5aafeed9634b82af4a.tar.bz2 pcitool-815924bac97aed5e4b662d5aafeed9634b82af4a.tar.xz pcitool-815924bac97aed5e4b662d5aafeed9634b82af4a.zip | |
Support 64-bit addressing mode in IPEDMA
Diffstat (limited to 'dma/ipe_private.h')
| -rw-r--r-- | dma/ipe_private.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/dma/ipe_private.h b/dma/ipe_private.h index 8f2b00b..640b6a0 100644 --- a/dma/ipe_private.h +++ b/dma/ipe_private.h @@ -21,7 +21,7 @@ #define IPEDMA_REG_ADDR_MASK 0xFFF #define IPEDMA_REG_BANK_MASK 0xF000 -#define IPEDMA_REG_BANK_SHIFT 24 +#define IPEDMA_REG_BANK_SHIFT 12 #define REG2VIRT(reg) (ctx->base_addr[(reg&IPEDMA_REG_BANK_MASK)>>IPEDMA_REG_BANK_SHIFT] + (reg&IPEDMA_REG_ADDR_MASK)) #define REG(bank, addr) ((bank<<IPEDMA_REG_BANK_SHIFT)|addr) @@ -64,7 +64,12 @@ #define WR(addr, value) { *(uint32_t*)(REG2VIRT(addr)) = value; } #define RD(addr, value) { value = *(uint32_t*)(REG2VIRT(addr)); } +#define WR64(addr, value) { *(uint64_t*)(REG2VIRT(addr)) = value; } +#define RD64(addr, value) { value = *(uint64_t*)(REG2VIRT(addr)); } +#define DEREF(ptr) ((ctx->version<3)?(*(uint32_t*)ptr):(*(uint64_t*)ptr)) + +typedef uint32_t reg_t; typedef struct ipe_dma_s ipe_dma_t; struct ipe_dma_s { @@ -95,8 +100,10 @@ struct ipe_dma_s { pcilib_kmem_handle_t *pages; /**< collection of memory-locked pages for DMA operation */ size_t ring_size, page_size; - size_t last_read, last_read_addr, last_written; + size_t last_read, last_written; + uintptr_t last_read_addr; + reg_t reg_last_read; /**< actual location of last_read register (removed from hardware for version 3) */ }; #endif /* _PCILIB_DMA_IPE_PRIVATE_H */ |