75 	 * op code and erase sector size to be used by Sector Erase commands.
297 	/* Erase Type 1 in DWORD8 bits[15:0] */
300 	/* Erase Type 2 in DWORD8 bits[31:16] */
303 	/* Erase Type 3 in DWORD9 bits[15:0] */
306 	/* Erase Type 4 in DWORD9 bits[31:16] */
311  * spi_nor_set_erase_settings_from_bfpt() - set erase type settings from BFPT
312  * @erase:	pointer to a structure that describes a SPI NOR erase type
313  * @size:	the size of the sector/block erased by the erase type
314  * @opcode:	the SPI command op code to erase the sector/block
315  * @i:		erase type index as sorted in the Basic Flash Parameter Table
317  * The supported Erase Types will be sorted at init in ascending order, with
318  * the smallest Erase Type size being the first member in the erase_type array
319  * of the spi_nor_erase_map structure. Save the Erase Type index as sorted in
321  * synchronize with the supported Erase Types defined in SFDP optional tables.
324 spi_nor_set_erase_settings_from_bfpt(struct spi_nor_erase_type *erase,  in spi_nor_set_erase_settings_from_bfpt()  argument
327 	erase->idx = i;  in spi_nor_set_erase_settings_from_bfpt()
328 	spi_nor_set_erase_type(erase, size, opcode);  in spi_nor_set_erase_settings_from_bfpt()
332  * spi_nor_map_cmp_erase_type() - compare the map's erase types by size
337  * map's erase types, the smallest erase type size being the first member in the
350  * spi_nor_sort_erase_mask() - sort erase mask
351  * @map:	the erase map of the SPI NOR
352  * @erase_mask:	the erase type mask to be sorted
354  * Replicate the sort done for the map's erase types in BFPT: sort the erase
355  * mask in ascending order with the smallest erase type size starting from
356  * BIT(0) in the sorted erase mask.
358  * Return: sorted erase mask.
369 	/* Replicate the sort done for the map's erase types. */  in spi_nor_sort_erase_mask()
378  * spi_nor_regions_sort_erase_types() - sort erase types in each region
379  * @map:	the erase map of the SPI NOR
381  * Function assumes that the erase types defined in the erase map are already
382  * sorted in ascending order, with the smallest erase type size being the first
384  * erase types. Each region's erase bitmask will indicate which erase types are
385  * supported from the sorted erase types defined in the erase map.
386  * Sort the all region's erase type at init in order to speed up the process of
387  * finding the best erase command at runtime.
400 		/* Overwrite erase mask. */  in spi_nor_regions_sort_erase_types()
417  * the number of address bytes for Fast Read, Page Program and Sector Erase
424  * For Sector Erase commands, this table stores the supported instruction op
520 	 * Sector Erase settings. Reinitialize the uniform erase map using the  in spi_nor_parse_bfpt()
521 	 * Erase Types defined in the bfpt table.  in spi_nor_parse_bfpt()
533 		/* erasesize == 0 means this Erase Type is not supported. */  in spi_nor_parse_bfpt()
545 	 * Sort all the map's Erase Types in ascending order with the smallest  in spi_nor_parse_bfpt()
546 	 * erase size being the first member in the erase_type array.  in spi_nor_parse_bfpt()
551 	 * Sort the erase types in the uniform region in order to update the  in spi_nor_parse_bfpt()
553 	 * selecting the uniform erase.  in spi_nor_parse_bfpt()
794  * @region:	pointer to a structure that describes a SPI NOR erase region
795  * @erase:	pointer to a structure that describes a SPI NOR erase type
796  * @erase_type:	erase type bitmask
800 			     const struct spi_nor_erase_type *erase,  in spi_nor_region_check_overlay()  argument
806 		if (!(erase[i].size && erase_type & BIT(erase[i].idx)))  in spi_nor_region_check_overlay()
808 		if (region->size & erase[i].size_mask) {  in spi_nor_region_check_overlay()
816  * spi_nor_init_non_uniform_erase_map() - initialize the non-uniform erase map
826 	struct spi_nor_erase_type *erase = map->erase_type;  in spi_nor_init_non_uniform_erase_map()  local
855 		spi_nor_region_check_overlay(&region[i], erase, erase_type);  in spi_nor_init_non_uniform_erase_map()
858 		 * Save the erase types that are supported in all regions and  in spi_nor_init_non_uniform_erase_map()
859 		 * can erase the entire flash memory.  in spi_nor_init_non_uniform_erase_map()
864 		 * regions_erase_type mask will indicate all the erase types  in spi_nor_init_non_uniform_erase_map()
888 	 * BFPT advertises all the erase types supported by all the possible  in spi_nor_init_non_uniform_erase_map()
889 	 * map configurations. Mask out the erase types that are not supported  in spi_nor_init_non_uniform_erase_map()
893 		if (!(regions_erase_type & BIT(erase[i].idx)))  in spi_nor_init_non_uniform_erase_map()
894 			spi_nor_mask_erase_type(&erase[i]);  in spi_nor_init_non_uniform_erase_map()
906  * device and to identify which Erase Types are supported by each sector.
1047 	 * Compute the subset of Sector Erase commands for which the 4-byte  in spi_nor_parse_4bait()
1052 		const struct sfdp_4bait *erase = &erases[i];  in spi_nor_parse_4bait()  local
1054 		if (dwords[SFDP_DWORD(1)] & erase->supported_bit)  in spi_nor_parse_4bait()
1058 	/* Replicate the sort done for the map's erase types in BFPT. */  in spi_nor_parse_4bait()
1062 	 * We need at least one 4-byte op code per read, program and erase  in spi_nor_parse_4bait()
1063 	 * operation; the .read(), .write() and .erase() hooks share the  in spi_nor_parse_4bait()
1114 	 * this latest function implements a legacy quirk for the erase size of  in spi_nor_parse_4bait()
1390  * as Fast Read, Page Program or Sector Erase commands.