1 files changed, 154 insertions, 0 deletions
diff --git a/internal.c b/internal.c
new file mode 100644
index 0000000..aa1fd9c
--- /dev/null
+++ b/internal.c
@@ -0,0 +1,154 @@
+/*
+ * This file is part of the flashrom project.
+ *
+ * Copyright (C) 2009 Carl-Daniel Hailfinger
+ *
+ * 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 <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <pci/pci.h>
+#include "flash.h"
+
+#if defined(__FreeBSD__) || defined(__DragonFly__)
+int io_fd;
+#endif
+
+struct pci_access *pacc;	/* For board and chipset_enable */
+
+struct pci_dev *pci_dev_find(uint16_t vendor, uint16_t device)
+{
+	struct pci_dev *temp;
+	struct pci_filter filter;
+
+	pci_filter_init(NULL, &filter);
+	filter.vendor = vendor;
+	filter.device = device;
+
+	for (temp = pacc->devices; temp; temp = temp->next)
+		if (pci_filter_match(&filter, temp))
+			return temp;
+
+	return NULL;
+}
+
+struct pci_dev *pci_card_find(uint16_t vendor, uint16_t device,
+			      uint16_t card_vendor, uint16_t card_device)
+{
+	struct pci_dev *temp;
+	struct pci_filter filter;
+
+	pci_filter_init(NULL, &filter);
+	filter.vendor = vendor;
+	filter.device = device;
+
+	for (temp = pacc->devices; temp; temp = temp->next)
+		if (pci_filter_match(&filter, temp)) {
+			if ((card_vendor ==
+			     pci_read_word(temp, PCI_SUBSYSTEM_VENDOR_ID))
+			    && (card_device ==
+				pci_read_word(temp, PCI_SUBSYSTEM_ID)))
+				return temp;
+		}
+
+	return NULL;
+}
+
+int internal_init(void)
+{
+	int ret = 0;
+
+	/* First get full io access */
+#if defined (__sun) && (defined(__i386) || defined(__amd64))
+	if (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) != 0) {
+#elif defined(__FreeBSD__) || defined (__DragonFly__)
+	if ((io_fd = open("/dev/io", O_RDWR)) < 0) {
+#else
+	if (iopl(3) != 0) {
+#endif
+		fprintf(stderr, "ERROR: Could not get IO privileges (%s).\nYou need to be root.\n", strerror(errno));
+		exit(1);
+	}
+
+	/* Initialize PCI access for flash enables */
+	pacc = pci_alloc();	/* Get the pci_access structure */
+	/* Set all options you want -- here we stick with the defaults */
+	pci_init(pacc);		/* Initialize the PCI library */
+	pci_scan_bus(pacc);	/* We want to get the list of devices */
+
+	/* We look at the lbtable first to see if we need a
+	 * mainboard specific flash enable sequence.
+	 */
+	coreboot_init();
+
+	/* try to enable it. Failure IS an option, since not all motherboards
+	 * really need this to be done, etc., etc.
+	 */
+	ret = chipset_flash_enable();
+	if (ret == -2) {
+		printf("WARNING: No chipset found. Flash detection "
+		       "will most likely fail.\n");
+	}
+
+	board_flash_enable(lb_vendor, lb_part);
+
+	return ret; 
+}
+
+int internal_shutdown(void)
+{
+#if defined(__FreeBSD__) || defined(__DragonFly__)
+	close(io_fd);
+#endif
+
+	return 0;
+}
+
+void internal_chip_writeb(uint8_t val, volatile void *addr)
+{
+	*(volatile uint8_t *) addr = val;
+}
+
+void internal_chip_writew(uint16_t val, volatile void *addr)
+{
+	*(volatile uint16_t *) addr = val;
+}
+
+void internal_chip_writel(uint32_t val, volatile void *addr)
+{
+	*(volatile uint32_t *) addr = val;
+}
+
+uint8_t internal_chip_readb(const volatile void *addr)
+{
+	return *(volatile uint8_t *) addr;
+}
+
+uint16_t internal_chip_readw(const volatile void *addr)
+{
+	return *(volatile uint16_t *) addr;
+}
+
+uint32_t internal_chip_readl(const volatile void *addr)
+{
+	return *(volatile uint32_t *) addr;
+}
+