/*
   * ifdtool - Manage Intel Firmware Descriptor information
   *
   * Copyright (C) 2011 The ChromiumOS Authors.
   *
   * SPDX-License-Identifier:	GPL-2.0
   *
   * From Coreboot project
   */
  
  #include <stdint.h>
  
  #define __packed	__attribute__((packed))
  
  #define IFDTOOL_VERSION "1.1-U-Boot"

  #define WRITE_MAX	16

  enum spi_frequency {
  	SPI_FREQUENCY_20MHZ = 0,
  	SPI_FREQUENCY_33MHZ = 1,
  	SPI_FREQUENCY_50MHZ = 4,
  };
  
  enum component_density {
  	COMPONENT_DENSITY_512KB = 0,
  	COMPONENT_DENSITY_1MB   = 1,
  	COMPONENT_DENSITY_2MB   = 2,
  	COMPONENT_DENSITY_4MB   = 3,
  	COMPONENT_DENSITY_8MB   = 4,
  	COMPONENT_DENSITY_16MB  = 5,
  };
  
  /* flash descriptor */
  struct __packed fdbar_t {
  	uint32_t flvalsig;
  	uint32_t flmap0;
  	uint32_t flmap1;
  	uint32_t flmap2;
  	uint8_t  reserved[0xefc - 0x20];
  	uint32_t flumap1;
  };
  
  #define MAX_REGIONS	5
  
  /* regions */
  struct __packed frba_t {
  	uint32_t flreg[MAX_REGIONS];
  };
  
  /* component section */
  struct __packed fcba_t {
  	uint32_t flcomp;
  	uint32_t flill;
  	uint32_t flpb;
  };
  
  #define MAX_STRAPS	18
  
  /* pch strap */
  struct __packed fpsba_t {
  	uint32_t pchstrp[MAX_STRAPS];
  };
  
  /* master */
  struct __packed fmba_t {
  	uint32_t flmstr1;
  	uint32_t flmstr2;
  	uint32_t flmstr3;
  };
  
  /* processor strap */
  struct __packed fmsba_t {
  	uint32_t data[8];
  };
  
  /* ME VSCC */
  struct vscc_t {
  	uint32_t jid;
  	uint32_t vscc;
  };
  
  struct vtba_t {
  	/* Actual number of entries specified in vtl */
  	struct vscc_t entry[8];
  };
  
  struct region_t {
  	int base, limit, size;
  };