1b1309f289
To avoid having two copies for every firmware descriptor (one for EM100 use and one for real SPI flash use), add an EM100 mode to ifdtool that allows to "dumb down" a fast image to the settings required for the EM100 to work. Change-Id: I0ed989f0a49316bc63d8627cb5d4bd988ae7a103 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/1039 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
/*
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* ifdtool - dump Intel Firmware Descriptor information
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*
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* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
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*/
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#include <stdint.h>
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#define IFDTOOL_VERSION "1.0"
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enum spi_frequency {
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SPI_FREQUENCY_20MHZ = 0,
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SPI_FREQUENCY_33MHZ = 1,
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SPI_FREQUENCY_50MHZ = 4,
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};
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enum component_density {
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COMPONENT_DENSITY_512KB = 0,
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COMPONENT_DENSITY_1MB = 1,
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COMPONENT_DENSITY_2MB = 2,
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COMPONENT_DENSITY_4MB = 3,
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COMPONENT_DENSITY_8MB = 4,
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COMPONENT_DENSITY_16MB = 5,
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};
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// flash descriptor
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typedef struct {
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uint32_t flvalsig;
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uint32_t flmap0;
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uint32_t flmap1;
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uint32_t flmap2;
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uint8_t reserved[0xefc - 0x20];
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uint32_t flumap1;
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} __attribute__((packed)) fdbar_t;
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// regions
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typedef struct {
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uint32_t flreg0;
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uint32_t flreg1;
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uint32_t flreg2;
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uint32_t flreg3;
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uint32_t flreg4;
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} __attribute__((packed)) frba_t;
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// component section
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typedef struct {
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uint32_t flcomp;
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uint32_t flill;
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uint32_t flpb;
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} __attribute__((packed)) fcba_t;
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// pch strap
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typedef struct {
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uint32_t pchstrp0;
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uint32_t pchstrp1;
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uint32_t pchstrp2;
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uint32_t pchstrp3;
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uint32_t pchstrp4;
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uint32_t pchstrp5;
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uint32_t pchstrp6;
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uint32_t pchstrp7;
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uint32_t pchstrp8;
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uint32_t pchstrp9;
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uint32_t pchstrp10;
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uint32_t pchstrp11;
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uint32_t pchstrp12;
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uint32_t pchstrp13;
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uint32_t pchstrp14;
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uint32_t pchstrp15;
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} __attribute__((packed)) fpsba_t;
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// master
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typedef struct {
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uint32_t flmstr1;
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uint32_t flmstr2;
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uint32_t flmstr3;
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} __attribute__((packed)) fmba_t;
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// processor strap
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typedef struct {
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uint32_t data[8];
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} __attribute__((packed)) fmsba_t;
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