csr.h
上传用户:lgb322
上传日期:2013-02-24
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文件大小:2k
- #ifndef _IEEE1394_CSR_H
- #define _IEEE1394_CSR_H
- #define CSR_REGISTER_BASE 0xfffff0000000ULL
- /* register offsets relative to CSR_REGISTER_BASE */
- #define CSR_STATE_CLEAR 0x0
- #define CSR_STATE_SET 0x4
- #define CSR_NODE_IDS 0x8
- #define CSR_RESET_START 0xc
- #define CSR_SPLIT_TIMEOUT_HI 0x18
- #define CSR_SPLIT_TIMEOUT_LO 0x1c
- #define CSR_CYCLE_TIME 0x200
- #define CSR_BUS_TIME 0x204
- #define CSR_BUSY_TIMEOUT 0x210
- #define CSR_BUS_MANAGER_ID 0x21c
- #define CSR_BANDWIDTH_AVAILABLE 0x220
- #define CSR_CHANNELS_AVAILABLE_HI 0x224
- #define CSR_CHANNELS_AVAILABLE_LO 0x228
- #define CSR_CONFIG_ROM 0x400
- #define CSR_CONFIG_ROM_END 0x800
- #define CSR_FCP_COMMAND 0xB00
- #define CSR_FCP_RESPONSE 0xD00
- #define CSR_FCP_END 0xF00
- #define CSR_TOPOLOGY_MAP 0x1000
- #define CSR_TOPOLOGY_MAP_END 0x1400
- #define CSR_SPEED_MAP 0x2000
- #define CSR_SPEED_MAP_END 0x3000
- struct csr_control {
- spinlock_t lock;
- quadlet_t state;
- quadlet_t node_ids;
- quadlet_t split_timeout_hi, split_timeout_lo;
- quadlet_t cycle_time;
- quadlet_t bus_time;
- quadlet_t bus_manager_id;
- quadlet_t bandwidth_available;
- quadlet_t channels_available_hi, channels_available_lo;
- const quadlet_t *rom;
- size_t rom_size;
- quadlet_t topology_map[256];
- quadlet_t speed_map[1024];
- };
- void init_csr(void);
- void cleanup_csr(void);
- #endif /* _IEEE1394_CSR_H */