Author: hailfinger Date: 2010-01-07 22:23:45 +0100 (Thu, 07 Jan 2010) New Revision: 837
Modified: trunk/chipdrivers.h trunk/flashchips.c trunk/sharplhf00l04.c Log: Fix Sharp LHF00L04. - Add eraseblock definitions - Use correct eraseblock sizes (the datasheet is a bit ambiguous) - Use correct probe function - Fill in probe timing
There is a lot more stuff left to clean up, but at least probe and erase should work now.
Signed-off-by: Carl-Daniel Hailfinger c-d.hailfinger.devel.2006@gmx.net Acked-by: Sean Nelson audiohacked@gmail.com
Modified: trunk/chipdrivers.h =================================================================== --- trunk/chipdrivers.h 2010-01-07 20:21:58 UTC (rev 836) +++ trunk/chipdrivers.h 2010-01-07 21:23:45 UTC (rev 837) @@ -53,6 +53,7 @@ int spi_aai_write(struct flashchip *flash, uint8_t *buf);
/* 82802ab.c */ +uint8_t wait_82802ab(chipaddr bios); int probe_82802ab(struct flashchip *flash); int erase_82802ab(struct flashchip *flash); int write_82802ab(struct flashchip *flash, uint8_t *buf); @@ -117,7 +118,7 @@
/* sharplhf00l04.c */ int probe_lhf00l04(struct flashchip *flash); -int erase_lhf00l04(struct flashchip *flash); +int erase_lhf00l04_block(struct flashchip *flash, unsigned int blockaddr, unsigned int blocklen); int write_lhf00l04(struct flashchip *flash, uint8_t *buf); void protect_lhf00l04(chipaddr bios);
Modified: trunk/flashchips.c =================================================================== --- trunk/flashchips.c 2010-01-07 20:21:58 UTC (rev 836) +++ trunk/flashchips.c 2010-01-07 21:23:45 UTC (rev 837) @@ -2522,9 +2522,24 @@ .total_size = 1024, .page_size = 64 * 1024, .tested = TEST_UNTESTED, - .probe = probe_lhf00l04, - .probe_timing = TIMING_IGNORED, /* routine don't use probe_timing (sharplhf00l04.c) */ - .erase = erase_lhf00l04, + .probe = probe_49lfxxxc, + .probe_timing = TIMING_ZERO, + .erase = NULL, + .block_erasers = + { + { + .eraseblocks = { + {64 * 1024, 15}, + {8 * 1024, 8} + }, + .block_erase = erase_lhf00l04_block, + }, { + .eraseblocks = { + {1024 * 1024, 1} + }, + .block_erase = NULL, /* 30 D0, only in PP mode */ + }, + }, .write = write_lhf00l04, .read = read_memmapped, },
Modified: trunk/sharplhf00l04.c =================================================================== --- trunk/sharplhf00l04.c 2010-01-07 20:21:58 UTC (rev 836) +++ trunk/sharplhf00l04.c 2010-01-07 21:23:45 UTC (rev 837) @@ -33,80 +33,20 @@ printf("%s", status & 0x2 ? "WP|TBL#|WP#,ABORT:" : "UNLOCK:"); }
-int probe_lhf00l04(struct flashchip *flash) -{ - chipaddr bios = flash->virtual_memory; - uint8_t id1, id2; +/* FIXME: The datasheet is unclear whether we should use toggle_ready_jedec + * or wait_82802ab. + */
-#if 0 - /* Enter ID mode */ - chip_writeb(0xAA, bios + 0x5555); - chip_writeb(0x55, bios + 0x2AAA); - chip_writeb(0x90, bios + 0x5555); -#endif - - chip_writeb(0xff, bios); - programmer_delay(10); - chip_writeb(0x90, bios); - programmer_delay(10); - - id1 = chip_readb(bios); - id2 = chip_readb(bios + 0x01); - - /* Leave ID mode */ - chip_writeb(0xAA, bios + 0x5555); - chip_writeb(0x55, bios + 0x2AAA); - chip_writeb(0xF0, bios + 0x5555); - - programmer_delay(10); - - printf_debug("%s: id1 0x%02x, id2 0x%02x\n", __func__, id1, id2); - - if (id1 != flash->manufacture_id || id2 != flash->model_id) - return 0; - - map_flash_registers(flash); - - return 1; -} - -uint8_t wait_lhf00l04(chipaddr bios) +int erase_lhf00l04_block(struct flashchip *flash, unsigned int blockaddr, unsigned int blocklen) { + chipaddr bios = flash->virtual_memory + blockaddr; + chipaddr wrprotect = flash->virtual_registers + blockaddr + 2; uint8_t status;
- chip_writeb(0x70, bios); - if ((chip_readb(bios) & 0x80) == 0) { // it's busy - while ((chip_readb(bios) & 0x80) == 0) ; - } - - status = chip_readb(bios); - - // put another command to get out of status register mode. - - chip_writeb(0x90, bios); - programmer_delay(10); - - chip_readb(bios); // vendor ID - chip_readb(bios + 0x01); // device ID - - // this is needed to jam it out of "read id" mode - chip_writeb(0xAA, bios + 0x5555); - chip_writeb(0x55, bios + 0x2AAA); - chip_writeb(0xF0, bios + 0x5555); - - return status; -} - -int erase_lhf00l04_block(struct flashchip *flash, int offset) -{ - chipaddr bios = flash->virtual_memory + offset; - chipaddr wrprotect = flash->virtual_registers + offset + 2; - uint8_t status; - // clear status register chip_writeb(0x50, bios); printf("Erase at 0x%lx\n", bios); - status = wait_lhf00l04(flash->virtual_memory); + status = wait_82802ab(flash->virtual_memory); print_lhf00l04_status(status); // clear write protect printf("write protect is at 0x%lx\n", (wrprotect)); @@ -119,34 +59,17 @@ chip_writeb(0xd0, bios); programmer_delay(10); // now let's see what the register is - status = wait_lhf00l04(flash->virtual_memory); + status = wait_82802ab(flash->virtual_memory); print_lhf00l04_status(status); - printf("DONE BLOCK 0x%x\n", offset); + printf("DONE BLOCK 0x%x\n", blockaddr);
- if (check_erased_range(flash, offset, flash->page_size)) { + if (check_erased_range(flash, blockaddr, blocklen)) { fprintf(stderr, "ERASE FAILED!\n"); return -1; } return 0; }
-int erase_lhf00l04(struct flashchip *flash) -{ - int i; - unsigned int total_size = flash->total_size * 1024; - - printf("total_size is %d; flash->page_size is %d\n", - total_size, flash->page_size); - for (i = 0; i < total_size; i += flash->page_size) - if (erase_lhf00l04_block(flash, i)) { - fprintf(stderr, "ERASE FAILED!\n"); - return -1; - } - printf("DONE ERASE\n"); - - return 0; -} - void write_page_lhf00l04(chipaddr bios, uint8_t *src, chipaddr dst, int page_size) { @@ -156,7 +79,7 @@ /* transfer data from source to destination */ chip_writeb(0x40, dst); chip_writeb(*src++, dst++); - wait_lhf00l04(bios); + wait_82802ab(bios); } }
@@ -167,7 +90,7 @@ int page_size = flash->page_size; chipaddr bios = flash->virtual_memory;
- if (erase_lhf00l04(flash)) { + if (erase_flash(flash)) { fprintf(stderr, "ERASE FAILED!\n"); return -1; }