Author: uwe Date: 2009-06-14 23:53:26 +0200 (Sun, 14 Jun 2009) New Revision: 590
Added: trunk/pm29f002.c Modified: trunk/Makefile trunk/flash.h trunk/flashchips.c Log: Add support for the PMC Pm29F002T/B chips. I sucessfully tested all operations on a Pm29F002T chip. The Pm29F002B is untested but I assume it should also work. Signed-off-by: Uwe Hermann <[email protected]> Acked-by: Carl-Daniel Hailfinger <[email protected]> Modified: trunk/Makefile =================================================================== --- trunk/Makefile 2009-06-13 12:04:03 UTC (rev 589) +++ trunk/Makefile 2009-06-14 21:53:26 UTC (rev 590) @@ -43,7 +43,7 @@ LIBS += -lpci -lz OBJS = chipset_enable.o board_enable.o udelay.o jedec.o stm50flw0x0x.o \ - sst28sf040.o am29f040b.o mx29f002.o m29f400bt.o \ + sst28sf040.o am29f040b.o mx29f002.o m29f400bt.o pm29f002.c \ w49f002u.o 82802ab.o pm49fl00x.o sst49lf040.o en29f002a.o \ sst49lfxxxc.o sst_fwhub.o layout.o cbtable.o flashchips.o physmap.o \ flashrom.o w39v080fa.o sharplhf00l04.o w29ee011.o spi.o it87spi.o \ Modified: trunk/flash.h =================================================================== --- trunk/flash.h 2009-06-13 12:04:03 UTC (rev 589) +++ trunk/flash.h 2009-06-14 21:53:26 UTC (rev 590) @@ -453,6 +453,8 @@ #define PMC_25LV040 0x7E #define PMC_25LV080B 0x13 #define PMC_25LV016B 0x14 +#define PMC_29F002T 0x1D +#define PMC_29F002B 0x2D #define PMC_39LV512 0x1B #define PMC_39F010 0x1C /* also Pm39LV010 */ #define PMC_39LV020 0x3D @@ -783,6 +785,9 @@ int erase_29f040b(struct flashchip *flash); int write_29f040b(struct flashchip *flash, uint8_t *buf); +/* pm29f002.c */ +int write_pm29f002(struct flashchip *flash, uint8_t *buf); + /* en29f002a.c */ int probe_en29f002a(struct flashchip *flash); int erase_en29f002a(struct flashchip *flash); Modified: trunk/flashchips.c =================================================================== --- trunk/flashchips.c 2009-06-13 12:04:03 UTC (rev 589) +++ trunk/flashchips.c 2009-06-14 21:53:26 UTC (rev 590) @@ -1514,6 +1514,38 @@ { .vendor = "PMC", + .name = "Pm29F0002T", + .bustype = CHIP_BUSTYPE_PARALLEL, + .manufacture_id = PMC_ID_NOPREFIX, + .model_id = PMC_29F002T, + .total_size = 256, + .page_size = 8192, + .tested = TEST_OK_PREW, + .probe = probe_29f040b, + .probe_timing = TIMING_FIXME, + .erase = erase_29f040b, + .write = write_pm29f002, + .read = read_memmapped, + }, + + { + .vendor = "PMC", + .name = "Pm29F0002B", + .bustype = CHIP_BUSTYPE_PARALLEL, + .manufacture_id = PMC_ID_NOPREFIX, + .model_id = PMC_29F002B, + .total_size = 256, + .page_size = 8192, + .tested = TEST_UNTESTED, + .probe = probe_29f040b, + .probe_timing = TIMING_FIXME, + .erase = erase_29f040b, + .write = write_pm29f002, + .read = read_memmapped, + }, + + { + .vendor = "PMC", .name = "Pm39LV010", .bustype = CHIP_BUSTYPE_NONSPI, .manufacture_id = PMC_ID_NOPREFIX, Added: trunk/pm29f002.c =================================================================== --- trunk/pm29f002.c (rev 0) +++ trunk/pm29f002.c 2009-06-14 21:53:26 UTC (rev 590) @@ -0,0 +1,53 @@ +/* + * This file is part of the flashrom project. + * + * Copyright (C) 2009 Uwe Hermann <[email protected]> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "flash.h" + +int write_pm29f002(struct flashchip *flash, uint8_t *buf) +{ + int i, total_size = flash->total_size * 1024; + chipaddr bios = flash->virtual_memory; + chipaddr dst = bios; + + /* Pm29F002T/B use the same erase method... */ + erase_29f040b(flash); + + printf("Programming page: "); + for (i = 0; i < total_size; i++) { + if ((i & 0xfff) == 0) + printf("address: 0x%08lx", (unsigned long)i); + + /* Pm29F002T/B only support byte-wise programming. */ + chip_writeb(0xAA, bios + 0x555); + chip_writeb(0x55, bios + 0x2AA); + chip_writeb(0xA0, bios + 0x555); + chip_writeb(*buf++, dst++); + + /* Wait for Toggle bit ready. */ + toggle_ready_jedec(dst); + + if ((i & 0xfff) == 0) + printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"); + } + + printf("\n"); + + return 0; +} -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
