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47 * This file provides bootbus flash operations
49 * <hr>$Revision: 41586 $<hr>
55 #ifndef __CVMX_FLASH_H__
56 #define __CVMX_FLASH_H__
67 } cvmx_flash_region_t;
70 * Initialize the flash access library
72 void cvmx_flash_initialize(void);
75 * Return a pointer to the flash chip
77 * @param chip_id Chip ID to return
78 * @return NULL if the chip doesn't exist
80 void *cvmx_flash_get_base(int chip_id);
83 * Return the number of erasable regions on the chip
85 * @param chip_id Chip to return info for
86 * @return Number of regions
88 int cvmx_flash_get_num_regions(int chip_id);
91 * Return information about a flash chips region
93 * @param chip_id Chip to get info for
94 * @param region Region to get info for
95 * @return Region information
97 const cvmx_flash_region_t *cvmx_flash_get_region_info(int chip_id, int region);
100 * Erase a block on the flash chip
102 * @param chip_id Chip to erase a block on
103 * @param region Region to erase a block in
104 * @param block Block number to erase
105 * @return Zero on success. Negative on failure
107 int cvmx_flash_erase_block(int chip_id, int region, int block);
110 * Write a block on the flash chip
112 * @param chip_id Chip to write a block on
113 * @param region Region to write a block in
114 * @param block Block number to write
115 * @param data Data to write
116 * @return Zero on success. Negative on failure
118 int cvmx_flash_write_block(int chip_id, int region, int block, const void *data);
121 * Erase and write data to a flash
123 * @param address Memory address to write to
124 * @param data Data to write
125 * @param len Length of the data
126 * @return Zero on success. Negative on failure
128 int cvmx_flash_write(void *address, const void *data, int len);
134 #endif /* __CVMX_FLASH_H__ */