Add drkaiser.c which was accidentally omitted in the last commit

Corresponding to flashrom svn r713.
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>

drkaiser.c

+/*
+ * 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);
+}