Add ifdtool, utility to read / modify Intel Firmware Descriptor images

[coreboot.git] / util / ifdtool / ifdtool.h

diff --git a/util/ifdtool/ifdtool.h b/util/ifdtool/ifdtool.h
new file mode 100644 (file)
index 0000000..0571534
--- /dev/null
+++ b/util/ifdtool/ifdtool.h
@@ -0,0 +1,87 @@
+/*
+ * ifdtool - dump Intel Firmware Descriptor information
+ *
+ * Copyright (C) 2011 The ChromiumOS Authors.  All rights reserved.
+ *
+ * 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 <stdint.h>
+#define IFDTOOL_VERSION "1.0"
+
+enum spi_frequency {
+       SPI_FREQUENCY_20MHZ = 0,
+       SPI_FREQUENCY_33MHZ = 1,
+       SPI_FREQUENCY_50MHZ = 4,
+};
+
+// flash descriptor
+typedef struct {
+       uint32_t flvalsig;
+       uint32_t flmap0;
+       uint32_t flmap1;
+       uint32_t flmap2;
+       uint8_t  reserved[0xefc - 0x20];
+       uint32_t flumap1;
+} __attribute__((packed)) fdbar_t;
+
+// regions
+typedef struct {
+       uint32_t flreg0;
+       uint32_t flreg1;
+       uint32_t flreg2;
+       uint32_t flreg3;
+       uint32_t flreg4;
+} __attribute__((packed)) frba_t;
+
+// component section
+typedef struct {
+       uint32_t flcomp;
+       uint32_t flill;
+       uint32_t flpb;
+} __attribute__((packed)) fcba_t;
+
+// pch strap
+typedef struct {
+       uint32_t pchstrp0;
+       uint32_t pchstrp1;
+       uint32_t pchstrp2;
+       uint32_t pchstrp3;
+       uint32_t pchstrp4;
+       uint32_t pchstrp5;
+       uint32_t pchstrp6;
+       uint32_t pchstrp7;
+       uint32_t pchstrp8;
+       uint32_t pchstrp9;
+       uint32_t pchstrp10;
+       uint32_t pchstrp11;
+       uint32_t pchstrp12;
+       uint32_t pchstrp13;
+       uint32_t pchstrp14;
+       uint32_t pchstrp15;
+} __attribute__((packed)) fpsba_t;
+
+// master
+typedef struct {
+       uint32_t flmstr1;
+       uint32_t flmstr2;
+       uint32_t flmstr3;
+} __attribute__((packed)) fmba_t;
+
+// processor strap
+typedef struct {
+       uint32_t data[8];
+} __attribute__((packed)) fmsba_t;
+
+