| 1 | /*␊ |
| 2 | * This file is part of the flashrom project.␊ |
| 3 | *␊ |
| 4 | * Copyright (C) 2009 Joerg Fischer <turboj@web.de>␊ |
| 5 | *␊ |
| 6 | * This program is free software; you can redistribute it and/or modify␊ |
| 7 | * it under the terms of the GNU General Public License as published by␊ |
| 8 | * the Free Software Foundation; either version 2 of the License, or␊ |
| 9 | * (at your option) any later version.␊ |
| 10 | *␊ |
| 11 | * This program is distributed in the hope that it will be useful,␊ |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of␊ |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the␊ |
| 14 | * GNU General Public License for more details.␊ |
| 15 | *␊ |
| 16 | * You should have received a copy of the GNU General Public License␊ |
| 17 | * along with this program; if not, write to the Free Software␊ |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA␊ |
| 19 | */␊ |
| 20 | ␊ |
| 21 | #include <stdlib.h>␊ |
| 22 | #include "flash.h"␊ |
| 23 | #include "programmer.h"␊ |
| 24 | ␊ |
| 25 | #define PCI_VENDOR_ID_DRKAISER␉␉0x1803␊ |
| 26 | ␊ |
| 27 | #define PCI_MAGIC_DRKAISER_ADDR␉␉0x50␊ |
| 28 | #define PCI_MAGIC_DRKAISER_VALUE␉0xa971␊ |
| 29 | ␊ |
| 30 | #define DRKAISER_MEMMAP_SIZE (1024 * 128)␊ |
| 31 | ␊ |
| 32 | /* Mask to restrict flash accesses to the 128kB memory window. */␊ |
| 33 | #define DRKAISER_MEMMAP_MASK␉␉((1 << 17) - 1)␊ |
| 34 | ␊ |
| 35 | const struct pcidev_status drkaiser_pcidev[] = {␊ |
| 36 | ␉{0x1803, 0x5057, OK, "Dr. Kaiser", "PC-Waechter (Actel FPGA)"},␊ |
| 37 | ␉{},␊ |
| 38 | };␊ |
| 39 | ␊ |
| 40 | static uint8_t *drkaiser_bar;␊ |
| 41 | ␊ |
| 42 | static void drkaiser_chip_writeb(const struct flashctx *flash, uint8_t val,␊ |
| 43 | ␉␉␉␉ chipaddr addr);␊ |
| 44 | static uint8_t drkaiser_chip_readb(const struct flashctx *flash,␊ |
| 45 | ␉␉␉␉ const chipaddr addr);␊ |
| 46 | static const struct par_programmer par_programmer_drkaiser = {␊ |
| 47 | ␉␉.chip_readb␉␉= drkaiser_chip_readb,␊ |
| 48 | ␉␉.chip_readw␉␉= fallback_chip_readw,␊ |
| 49 | ␉␉.chip_readl␉␉= fallback_chip_readl,␊ |
| 50 | ␉␉.chip_readn␉␉= fallback_chip_readn,␊ |
| 51 | ␉␉.chip_writeb␉␉= drkaiser_chip_writeb,␊ |
| 52 | ␉␉.chip_writew␉␉= fallback_chip_writew,␊ |
| 53 | ␉␉.chip_writel␉␉= fallback_chip_writel,␊ |
| 54 | ␉␉.chip_writen␉␉= fallback_chip_writen,␊ |
| 55 | };␊ |
| 56 | ␊ |
| 57 | static int drkaiser_shutdown(void *data)␊ |
| 58 | {␊ |
| 59 | ␉physunmap(drkaiser_bar, DRKAISER_MEMMAP_SIZE);␊ |
| 60 | ␉/* Flash write is disabled automatically by PCI restore. */␊ |
| 61 | ␉pci_cleanup(pacc);␊ |
| 62 | ␉release_io_perms();␊ |
| 63 | ␉return 0;␊ |
| 64 | };␊ |
| 65 | ␊ |
| 66 | int drkaiser_init(void)␊ |
| 67 | {␊ |
| 68 | ␉uint32_t addr;␊ |
| 69 | ␊ |
| 70 | ␉get_io_perms();␊ |
| 71 | ␊ |
| 72 | ␉addr = pcidev_init(PCI_BASE_ADDRESS_2, drkaiser_pcidev);␊ |
| 73 | ␊ |
| 74 | ␉/* Write magic register to enable flash write. */␊ |
| 75 | ␉rpci_write_word(pcidev_dev, PCI_MAGIC_DRKAISER_ADDR,␊ |
| 76 | ␉␉␉PCI_MAGIC_DRKAISER_VALUE);␊ |
| 77 | ␊ |
| 78 | ␉/* Map 128kB flash memory window. */␊ |
| 79 | ␉drkaiser_bar = physmap("Dr. Kaiser PC-Waechter flash memory",␊ |
| 80 | ␉␉␉ addr, DRKAISER_MEMMAP_SIZE);␊ |
| 81 | ␊ |
| 82 | ␉if (register_shutdown(drkaiser_shutdown, NULL))␊ |
| 83 | ␉␉return 1;␊ |
| 84 | ␊ |
| 85 | ␉max_rom_decode.parallel = 128 * 1024;␊ |
| 86 | ␉register_par_programmer(&par_programmer_drkaiser, BUS_PARALLEL);␊ |
| 87 | ␊ |
| 88 | ␉return 0;␊ |
| 89 | }␊ |
| 90 | ␊ |
| 91 | static void drkaiser_chip_writeb(const struct flashctx *flash, uint8_t val,␊ |
| 92 | ␉␉␉␉ chipaddr addr)␊ |
| 93 | {␊ |
| 94 | ␉pci_mmio_writeb(val, drkaiser_bar + (addr & DRKAISER_MEMMAP_MASK));␊ |
| 95 | }␊ |
| 96 | ␊ |
| 97 | static uint8_t drkaiser_chip_readb(const struct flashctx *flash,␊ |
| 98 | ␉␉␉␉ const chipaddr addr)␊ |
| 99 | {␊ |
| 100 | ␉return pci_mmio_readb(drkaiser_bar + (addr & DRKAISER_MEMMAP_MASK));␊ |
| 101 | }␊ |
| 102 | |
