1 files changed, 86 insertions, 0 deletions
diff --git a/it8212.c b/it8212.c
new file mode 100644
index 0000000..f68121a
--- /dev/null
+++ b/it8212.c
@@ -0,0 +1,86 @@
+/*
+ * This file is part of the flashrom project.
+ *
+ * Copyright (C) 2011 Carl-Daniel Hailfinger
+ * Copyright (C) 2012 Kyösti Mälkki <kyosti.malkki@gmail.com>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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 "flash.h"
+#include "programmer.h"
+#include "hwaccess.h"
+
+static uint8_t *it8212_bar = NULL;
+
+#define PCI_VENDOR_ID_ITE 0x1283
+
+const struct dev_entry devs_it8212[] = {
+	{PCI_VENDOR_ID_ITE, 0x8212, OK, "ITE", "8212F PATA RAID"},
+
+	{},
+};
+
+#define IT8212_MEMMAP_SIZE (128 * 1024)
+#define IT8212_MEMMAP_MASK (IT8212_MEMMAP_SIZE - 1)
+
+static void it8212_chip_writeb(const struct flashctx *flash, uint8_t val, chipaddr addr);
+static uint8_t it8212_chip_readb(const struct flashctx *flash, const chipaddr addr);
+static const struct par_programmer par_programmer_it8212 = {
+		.chip_readb		= it8212_chip_readb,
+		.chip_readw		= fallback_chip_readw,
+		.chip_readl		= fallback_chip_readl,
+		.chip_readn		= fallback_chip_readn,
+		.chip_writeb		= it8212_chip_writeb,
+		.chip_writew		= fallback_chip_writew,
+		.chip_writel		= fallback_chip_writel,
+		.chip_writen		= fallback_chip_writen,
+};
+
+int it8212_init(void)
+{
+	if (rget_io_perms())
+		return 1;
+
+	struct pci_dev *dev = pcidev_init(devs_it8212, PCI_ROM_ADDRESS);
+	if (!dev)
+		return 1;
+
+	/* Bit 0 is address decode enable, 17-31 the base address, everything else reserved/zero. */
+	io_base_addr = pcidev_readbar(dev, PCI_ROM_ADDRESS) & 0xFFFFFFFE;
+	if (!io_base_addr)
+		return 1;
+
+	it8212_bar = rphysmap("IT8212F flash", io_base_addr, IT8212_MEMMAP_SIZE);
+	if (it8212_bar == ERROR_PTR)
+		return 1;
+
+	/* Restore ROM BAR decode state automatically at shutdown. */
+	rpci_write_long(dev, PCI_ROM_ADDRESS, io_base_addr | 0x01);
+
+	max_rom_decode.parallel = IT8212_MEMMAP_SIZE;
+	register_par_programmer(&par_programmer_it8212, BUS_PARALLEL);
+	return 0;
+}
+
+static void it8212_chip_writeb(const struct flashctx *flash, uint8_t val, chipaddr addr)
+{
+	pci_mmio_writeb(val, it8212_bar + (addr & IT8212_MEMMAP_MASK));
+}
+
+static uint8_t it8212_chip_readb(const struct flashctx *flash, const chipaddr addr)
+{
+	return pci_mmio_readb(it8212_bar + (addr & IT8212_MEMMAP_MASK));
+}