1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * ifdtool - Manage Intel Firmware Descriptor information 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Copyright (C) 2011 The ChromiumOS Authors. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * From Coreboot project 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <stdint.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #define __packed __attribute__((packed)) 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #define IFDTOOL_VERSION "1.1-U-Boot" 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #define WRITE_MAX 16 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun enum spi_frequency { 20*4882a593Smuzhiyun SPI_FREQUENCY_20MHZ = 0, 21*4882a593Smuzhiyun SPI_FREQUENCY_33MHZ = 1, 22*4882a593Smuzhiyun SPI_FREQUENCY_50MHZ = 4, 23*4882a593Smuzhiyun }; 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun enum component_density { 26*4882a593Smuzhiyun COMPONENT_DENSITY_512KB = 0, 27*4882a593Smuzhiyun COMPONENT_DENSITY_1MB = 1, 28*4882a593Smuzhiyun COMPONENT_DENSITY_2MB = 2, 29*4882a593Smuzhiyun COMPONENT_DENSITY_4MB = 3, 30*4882a593Smuzhiyun COMPONENT_DENSITY_8MB = 4, 31*4882a593Smuzhiyun COMPONENT_DENSITY_16MB = 5, 32*4882a593Smuzhiyun }; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun /* flash descriptor */ 35*4882a593Smuzhiyun struct __packed fdbar_t { 36*4882a593Smuzhiyun uint32_t flvalsig; 37*4882a593Smuzhiyun uint32_t flmap0; 38*4882a593Smuzhiyun uint32_t flmap1; 39*4882a593Smuzhiyun uint32_t flmap2; 40*4882a593Smuzhiyun uint8_t reserved[0xefc - 0x20]; 41*4882a593Smuzhiyun uint32_t flumap1; 42*4882a593Smuzhiyun }; 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun #define MAX_REGIONS 5 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun /* regions */ 47*4882a593Smuzhiyun struct __packed frba_t { 48*4882a593Smuzhiyun uint32_t flreg[MAX_REGIONS]; 49*4882a593Smuzhiyun }; 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun /* component section */ 52*4882a593Smuzhiyun struct __packed fcba_t { 53*4882a593Smuzhiyun uint32_t flcomp; 54*4882a593Smuzhiyun uint32_t flill; 55*4882a593Smuzhiyun uint32_t flpb; 56*4882a593Smuzhiyun }; 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun #define MAX_STRAPS 18 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun /* pch strap */ 61*4882a593Smuzhiyun struct __packed fpsba_t { 62*4882a593Smuzhiyun uint32_t pchstrp[MAX_STRAPS]; 63*4882a593Smuzhiyun }; 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun /* master */ 66*4882a593Smuzhiyun struct __packed fmba_t { 67*4882a593Smuzhiyun uint32_t flmstr1; 68*4882a593Smuzhiyun uint32_t flmstr2; 69*4882a593Smuzhiyun uint32_t flmstr3; 70*4882a593Smuzhiyun }; 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun /* processor strap */ 73*4882a593Smuzhiyun struct __packed fmsba_t { 74*4882a593Smuzhiyun uint32_t data[8]; 75*4882a593Smuzhiyun }; 76*4882a593Smuzhiyun 77*4882a593Smuzhiyun /* ME VSCC */ 78*4882a593Smuzhiyun struct vscc_t { 79*4882a593Smuzhiyun uint32_t jid; 80*4882a593Smuzhiyun uint32_t vscc; 81*4882a593Smuzhiyun }; 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun struct vtba_t { 84*4882a593Smuzhiyun /* Actual number of entries specified in vtl */ 85*4882a593Smuzhiyun struct vscc_t entry[8]; 86*4882a593Smuzhiyun }; 87*4882a593Smuzhiyun 88*4882a593Smuzhiyun struct region_t { 89*4882a593Smuzhiyun int base, limit, size; 90*4882a593Smuzhiyun }; 91