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| -rw-r--r-- | drkaiser.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/drkaiser.c b/drkaiser.c new file mode 100644 index 0000000..ba9018f --- /dev/null +++ b/drkaiser.c @@ -0,0 +1,79 @@ +/* + * This file is part of the flashrom project. + * + * Copyright (C) 2009 TURBO J <turboj@web.de> + * + * 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 <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include "flash.h" + +#define PCI_VENDOR_ID_DRKAISER 0x1803 + +#define PCI_MAGIC_DRKAISER_ADDR 0x50 +#define PCI_MAGIC_DRKAISER_VALUE 0xa971 + +struct pcidev_status drkaiser_pcidev[] = { + {0x1803, 0x5057, PCI_OK, "Dr. Kaiser", "PC-Waechter (Actel FPGA)"}, + {}, +}; + +uint8_t *drkaiser_bar; + +int drkaiser_init(void) +{ + uint32_t addr; + + get_io_perms(); + pcidev_init(PCI_VENDOR_ID_DRKAISER, PCI_BASE_ADDRESS_2, + drkaiser_pcidev, programmer_param); + + /* Write magic register to enable flash write. */ + pci_write_word(pcidev_dev, PCI_MAGIC_DRKAISER_ADDR, + PCI_MAGIC_DRKAISER_VALUE); + + /* TODO: Mask lower bits? How many? 3? 7? */ + addr = pci_read_long(pcidev_dev, PCI_BASE_ADDRESS_2) & ~0x03; + + /* Map 128KB flash memory window. */ + drkaiser_bar = physmap("Dr. Kaiser PC-Waechter flash memory", + addr, 128 * 1024); + + buses_supported = CHIP_BUSTYPE_PARALLEL; + return 0; +} + +int drkaiser_shutdown(void) +{ + /* Write protect the flash again. */ + pci_write_word(pcidev_dev, PCI_MAGIC_DRKAISER_ADDR, 0); + free(programmer_param); + pci_cleanup(pacc); + release_io_perms(); + return 0; +}; + +void drkaiser_chip_writeb(uint8_t val, chipaddr addr) +{ + mmio_writeb(val, drkaiser_bar + addr); +} + +uint8_t drkaiser_chip_readb(const chipaddr addr) +{ + return mmio_readb(drkaiser_bar + addr); +} |
