26  * - sector erase
27  * - chip erase
199  * Returns the time it takes to erase the number of sectors scheduled for
201  * block erase 2^N ms."
206      * If there are no sectors to erase (which can happen if all of the sectors  in pflash_erase_time()
207      * to be erased are protected), then erase takes 100 us. Protected sectors  in pflash_erase_time()
214  * Returns true if the device is currently in erase suspend mode.
228          * Sector erase. If DQ3 is 0 when the timer expires, then the 50  in pflash_timer()
229          * us erase timeout has expired so we need to start the timer for the  in pflash_timer()
230          * sector erase algorithm. Otherwise, the erase completed and we should  in pflash_timer()
331     case 0x80: /* Erase (unlock) */  in pflash_read()
367     case 0x10: /* Chip Erase */  in pflash_read()
368     case 0x30: /* Sector Erase */  in pflash_read()
369         /* Toggle bit 2 during erase, but not program. */  in pflash_read()
427     /* Set (or reset) the 50 us timer for additional erase commands.  */  in pflash_sector_erase()
442         /* Reset does nothing during chip erase and sector erase. */  in pflash_write()
479         /* Handle erase resume in erase suspend mode, otherwise reset. */  in pflash_write()
480         if (cmd == 0x30) { /* Erase Resume */  in pflash_write()
482                 /* Resume the erase. */  in pflash_write()
494         /* Ignore erase suspend. */  in pflash_write()
495         if (cmd == 0xB0) { /* Erase Suspend */  in pflash_write()
524         case 0x80: /* Erase */  in pflash_write()
537         case 0x80: /* Erase */  in pflash_write()
596         case 0x80: /* Erase */  in pflash_write()
606             /* Erasing is not supported in erase suspend mode. */  in pflash_write()
610         case 0x10: /* Chip Erase */  in pflash_write()
615             /* Chip erase */  in pflash_write()
626         case 0x30: /* Sector erase */  in pflash_write()
637         case 0x10: /* Chip Erase */  in pflash_write()
638             /* Ignore writes during chip erase */  in pflash_write()
640         case 0x30: /* Sector erase */  in pflash_write()
643                  * If erase suspend happens during the erase timeout (so DQ3 is  in pflash_write()
645                  * remaining time to be the total time to erase. Otherwise,  in pflash_write()
665              * If DQ3 is 0, additional sector erase commands can be  in pflash_write()
666              * written and anything else (other than an erase suspend) resets  in pflash_write()
676             /* Ignore writes during the actual erase. */  in pflash_write()
749     /* Typical timeout for block erase (512 ms) */  in pflash_cfi02_fill_cfi_table()
751     /* Typical timeout for full chip erase (4096 ms) */  in pflash_cfi02_fill_cfi_table()
757     /* Max timeout for block erase */  in pflash_cfi02_fill_cfi_table()
759     /* Max timeout for chip erase */  in pflash_cfi02_fill_cfi_table()
773     /* Number of erase block regions */  in pflash_cfi02_fill_cfi_table()
775     /* Erase block regions */  in pflash_cfi02_fill_cfi_table()
796     /* Erase suspend to read/write. */  in pflash_cfi02_fill_cfi_table()