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/*
* 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;
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