1 /* SPDX-License-Identifier: GPL-2.0 */
3 * ifdtool - Manage Intel Firmware Descriptor information
5 * Copyright (C) 2011 The ChromiumOS Authors.
7 * From Coreboot project
12 #define __packed __attribute__((packed))
14 #define IFDTOOL_VERSION "1.1-U-Boot"
19 SPI_FREQUENCY_20MHZ = 0,
20 SPI_FREQUENCY_33MHZ = 1,
21 SPI_FREQUENCY_50MHZ = 4,
24 enum component_density {
25 COMPONENT_DENSITY_512KB = 0,
26 COMPONENT_DENSITY_1MB = 1,
27 COMPONENT_DENSITY_2MB = 2,
28 COMPONENT_DENSITY_4MB = 3,
29 COMPONENT_DENSITY_8MB = 4,
30 COMPONENT_DENSITY_16MB = 5,
33 /* flash descriptor */
34 struct __packed fdbar_t {
39 uint8_t reserved[0xefc - 0x20];
46 struct __packed frba_t {
47 uint32_t flreg[MAX_REGIONS];
50 /* component section */
51 struct __packed fcba_t {
60 struct __packed fpsba_t {
61 uint32_t pchstrp[MAX_STRAPS];
65 struct __packed fmba_t {
72 struct __packed fmsba_t {
83 /* Actual number of entries specified in vtl */
84 struct vscc_t entry[8];
88 int base, limit, size;