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diff --git a/include/ich_descriptors.h b/include/ich_descriptors.h
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+/*
+ * This file is part of the flashrom project.
+ *
+ * Copyright (c) 2010 Matthias Wenzel <bios at mazzoo dot de>
+ * Copyright (c) 2011 Stefan Tauner
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ */
+
+#ifndef __ICH_DESCRIPTORS_H__
+#define __ICH_DESCRIPTORS_H__ 1
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include "programmer.h" /* for enum ich_chipset */
+
+/* FIXME: Replace with generic return codes */
+#define ICH_RET_OK 0
+#define ICH_RET_ERR -1
+#define ICH_RET_WARN -2
+#define ICH_RET_PARAM -3
+#define ICH_RET_OOB -4
+
+#define ICH9_REG_FDOC 0xB0 /* 32 Bits Flash Descriptor Observability Control */
+#define PCH100_REG_FDOC 0xB4 /* New offset from Sunrise Point on */
+ /* 0-1: reserved */
+#define FDOC_FDSI_OFF 2 /* 2-11: Flash Descriptor Section Index */
+#define FDOC_FDSI (0x3f << FDOC_FDSI_OFF)
+#define FDOC_FDSS_OFF 12 /* 12-14: Flash Descriptor Section Select */
+#define FDOC_FDSS (0x3 << FDOC_FDSS_OFF)
+ /* 15-31: reserved */
+
+#define ICH9_REG_FDOD 0xB4 /* 32 Bits Flash Descriptor Observability Data */
+#define PCH100_REG_FDOD 0xB8 /* New offset from Sunrise Point on */
+
+/* Field locations and semantics for LVSCC, UVSCC and related words in the flash
+ * descriptor are equal therefore they all share the same macros below. */
+#define VSCC_BES_OFF 0 /* 0-1: Block/Sector Erase Size */
+#define VSCC_BES (0x3 << VSCC_BES_OFF)
+#define VSCC_WG_OFF 2 /* 2: Write Granularity */
+#define VSCC_WG (0x1 << VSCC_WG_OFF)
+#define VSCC_WSR_OFF 3 /* 3: Write Status Required */
+#define VSCC_WSR (0x1 << VSCC_WSR_OFF)
+#define VSCC_WEWS_OFF 4 /* 4: Write Enable on Write Status */
+#define VSCC_WEWS (0x1 << VSCC_WEWS_OFF)
+ /* 5-7: reserved */
+#define VSCC_EO_OFF 8 /* 8-15: Erase Opcode */
+#define VSCC_EO (0xff << VSCC_EO_OFF)
+ /* 16-22: reserved */
+#define VSCC_VCL_OFF 23 /* 23: Vendor Component Lock */
+#define VSCC_VCL (0x1 << VSCC_VCL_OFF)
+ /* 24-31: reserved */
+
+#define ICH_FREG_BASE(flreg) (((flreg) << 12) & 0x07fff000)
+#define ICH_FREG_LIMIT(flreg) ((((flreg) >> 4) & 0x07fff000) | 0x00000fff)
+
+void prettyprint_ich_reg_vscc(uint32_t reg_val, int verbosity, bool print_vcl);
+
+struct ich_desc_content {
+ uint32_t FLVALSIG; /* 0x00 */
+ union { /* 0x04 */
+ uint32_t FLMAP0;
+ struct {
+ uint32_t FCBA :8, /* Flash Component Base Address */
+ NC :2, /* Number Of Components */
+ :6,
+ FRBA :8, /* Flash Region Base Address */
+ NR :3, /* Number Of Regions (reserved from Skylake on) */
+ :5;
+ };
+ };
+ union { /* 0x08 */
+ uint32_t FLMAP1;
+ struct {
+ uint32_t FMBA :8, /* Flash Master Base Address */
+ NM :3, /* Number Of Masters */
+ :5,
+ FISBA :8, /* Flash ICH Strap Base Address */
+ ISL :8; /* ICH Strap Length */
+ };
+ };
+ union { /* 0x0c */
+ uint32_t FLMAP2;
+ struct {
+ uint32_t FMSBA :8, /* Flash (G)MCH Strap Base Addr. */
+ MSL :8, /* MCH Strap Length */
+ ICCRIBA :8, /* ICC Reg. Init Base Addr. (new since Sandy Bridge) */
+ RIL :8; /* Register Init Length (new since Hawell) */
+ };
+ struct { /* new since Tiger Point */
+ uint32_t :2,
+ CSSO :10, /* CPU Soft Strap Offset from PMC Base */
+ :4,
+ CSSL :8, /* CPU Soft Strap Length */
+ :8;
+ };
+ };
+};
+
+struct ich_desc_component {
+ union { /* 0x00 */
+ uint32_t FLCOMP; /* Flash Components Register */
+ /* FLCOMP encoding on various generations:
+ *
+ * Chipset/Generation max_speed dual_output density
+ * [MHz] bits max. bits
+ * ICH8: 33 N/A 5 0:2, 3:5
+ * ICH9: 33 N/A 5 0:2, 3:5
+ * ICH10: 33 N/A 5 0:2, 3:5
+ * Ibex Peak/5: 50 N/A 5 0:2, 3:5
+ * Cougar Point/6: 50 30 5 0:2, 3:5
+ * Patsburg: 50 30 5 0:2, 3:5
+ * Panther Point/7 50 30 5 0:2, 3:5
+ * Lynx Point/8: 50 30 7 0:3, 4:7
+ * Wildcat Point/9: 50 30 (multi I/O) 7 0:3, 4:7
+ * Sunrise Point/100: 48 30 7 0:3, 4:7
+ */
+ struct {
+ uint32_t :17,
+ freq_read :3,
+ fastread :1,
+ freq_fastread :3,
+ freq_write :3,
+ freq_read_id :3,
+ dual_output :1, /* new since Cougar Point/6 */
+ :1;
+ } modes;
+ struct {
+ uint32_t comp1_density :3,
+ comp2_density :3,
+ :26;
+ } dens_old;
+ struct {
+ uint32_t comp1_density :4, /* new since Lynx Point/8 */
+ comp2_density :4,
+ :24;
+ } dens_new;
+ };
+ union { /* 0x04 */
+ uint32_t FLILL; /* Flash Invalid Instructions Register */
+ struct {
+ uint32_t invalid_instr0 :8,
+ invalid_instr1 :8,
+ invalid_instr2 :8,
+ invalid_instr3 :8;
+ };
+ };
+ union { /* 0x08 */
+ uint32_t FLPB; /* Flash Partition Boundary Register, until Panther Point/7 */
+ struct {
+ uint32_t FPBA :13, /* Flash Partition Boundary Addr */
+ :19;
+ };
+ uint32_t FLILL1; /* Flash Invalid Instructions Register, new since Sunrise Point/100 */
+ struct {
+ uint32_t invalid_instr4 :8,
+ invalid_instr5 :8,
+ invalid_instr6 :8,
+ invalid_instr7 :8;
+ };
+ };
+};
+
+#define MAX_NUM_FLREGS 16
+struct ich_desc_region {
+ /*
+ * Number of entries and width differ on various generations:
+ *
+ * Chipset/Generation #FLREGs width (bits)
+ * ICH8 .. Panther Point/7 5 13
+ * Lynx Point/8 .. Wildcat Point/9 7 15
+ * Sunrise Point/100 .. 200 Series 10 15
+ * Lewisburg/100 .. 16 15
+ * Cannon Point/300 .. 16 15
+ */
+ union {
+ uint32_t FLREGs[MAX_NUM_FLREGS]; /* Flash Descriptor Regions */
+
+ /* only used for bit-field check */
+ struct {
+ uint32_t base :13,
+ :3,
+ limit :13,
+ :3;
+ } old_reg[MAX_NUM_FLREGS];
+ };
+};
+
+#define MAX_NUM_MASTERS 6 /* 5 prior to C620/Lewisburg PCH */
+struct ich_desc_master {
+ union {
+ uint32_t FLMSTRs[MAX_NUM_MASTERS]; /* Flash Masters */
+ /* For pre-Skylake platforms */
+ struct {
+ uint32_t BIOS_req_ID :16,
+ BIOS_descr_r :1,
+ BIOS_BIOS_r :1,
+ BIOS_ME_r :1,
+ BIOS_GbE_r :1,
+ BIOS_plat_r :1,
+ :3,
+ BIOS_descr_w :1,
+ BIOS_BIOS_w :1,
+ BIOS_ME_w :1,
+ BIOS_GbE_w :1,
+ BIOS_plat_w :1,
+ :3;
+ uint32_t ME_req_ID :16,
+ ME_descr_r :1,
+ ME_BIOS_r :1,
+ ME_ME_r :1,
+ ME_GbE_r :1,
+ ME_plat_r :1,
+ :3,
+ ME_descr_w :1,
+ ME_BIOS_w :1,
+ ME_ME_w :1,
+ ME_GbE_w :1,
+ ME_plat_w :1,
+ :3;
+ uint32_t GbE_req_ID :16,
+ GbE_descr_r :1,
+ GbE_BIOS_r :1,
+ GbE_ME_r :1,
+ GbE_GbE_r :1,
+ GbE_plat_r :1,
+ :3,
+ GbE_descr_w :1,
+ GbE_BIOS_w :1,
+ GbE_ME_w :1,
+ GbE_GbE_w :1,
+ GbE_plat_w :1,
+ :3;
+ };
+ /* From Skylake on */
+ struct {
+ uint32_t ext_read :4,
+ ext_write :4,
+ read :12,
+ write :12;
+ } mstr[MAX_NUM_MASTERS];
+ };
+};
+
+struct ich_desc_north_strap {
+ union {
+ uint32_t STRPs[1]; /* current maximum: ich8 */
+ struct { /* ich8 */
+ struct { /* STRP2 (in the datasheet) */
+ uint32_t MDB :1,
+ :31;
+ };
+ } ich8;
+ };
+};
+
+struct ich_desc_south_strap {
+ union {
+ uint32_t STRPs[23]; /* current maximum: gemini lake */
+ struct { /* ich8 */
+ struct { /* STRP1 */
+ uint32_t ME_DISABLE :1,
+ :6,
+ TCOMODE :1,
+ ASD :7,
+ BMCMODE :1,
+ :3,
+ GLAN_PCIE_SEL :1,
+ GPIO12_SEL :2,
+ SPICS1_LANPHYPC_SEL :1,
+ MESM2SEL :1,
+ :1,
+ ASD2 :7;
+ };
+ } ich8;
+ struct { /* ibex peak */
+ struct { /* STRP0 */
+ uint32_t :1,
+ cs_ss2 :1,
+ :5,
+ SMB_EN :1,
+ SML0_EN :1,
+ SML1_EN :1,
+ SML1FRQ :2,
+ SMB0FRQ :2,
+ SML0FRQ :2,
+ :4,
+ LANPHYPC_GP12_SEL :1,
+ cs_ss1 :1,
+ :2,
+ DMI_REQID_DIS :1,
+ :4,
+ BBBS :2,
+ :1;
+ };
+ struct { /* STRP1 */
+ uint32_t cs_ss3 :4,
+ :28;
+ };
+ struct { /* STRP2 */
+ uint32_t :8,
+ MESMASDEN :1,
+ MESMASDA :7,
+ :8,
+ MESMI2CEN :1,
+ MESMI2CA :7;
+ };
+ struct { /* STRP3 */
+ uint32_t :32;
+ };
+ struct { /* STRP4 */
+ uint32_t PHYCON :2,
+ :6,
+ GBEMAC_SMBUS_ADDR_EN :1,
+ GBEMAC_SMBUS_ADDR :7,
+ :1,
+ GBEPHY_SMBUS_ADDR :7,
+ :8;
+ };
+ struct { /* STRP5 */
+ uint32_t :32;
+ };
+ struct { /* STRP6 */
+ uint32_t :32;
+ };
+ struct { /* STRP7 */
+ uint32_t MESMA2UDID_VENDOR :16,
+ MESMA2UDID_DEVICE :16;
+ };
+ struct { /* STRP8 */
+ uint32_t :32;
+ };
+ struct { /* STRP9 */
+ uint32_t PCIEPCS1 :2,
+ PCIEPCS2 :2,
+ PCIELR1 :1,
+ PCIELR2 :1,
+ DMILR :1,
+ :1,
+ PHY_PCIEPORTSEL :3,
+ PHY_PCIE_EN :1,
+ :20;
+ };
+ struct { /* STRP10 */
+ uint32_t :1,
+ ME_BOOT_FLASH :1,
+ cs_ss5 :1,
+ VE_EN :1,
+ :4,
+ MMDDE :1,
+ MMADDR :7,
+ cs_ss7 :1,
+ :1,
+ ICC_SEL :3,
+ MER_CL1 :1,
+ :10;
+ };
+ struct { /* STRP11 */
+ uint32_t SML1GPAEN :1,
+ SML1GPA :7,
+ :16,
+ SML1I2CAEN :1,
+ SML1I2CA :7;
+ };
+ struct { /* STRP12 */
+ uint32_t :32;
+ };
+ struct { /* STRP13 */
+ uint32_t :32;
+ };
+ struct { /* STRP14 */
+ uint32_t :8,
+ VE_EN2 :1,
+ :5,
+ VE_BOOT_FLASH :1,
+ :1,
+ BW_SSD :1,
+ NVMHCI_EN :1,
+ :14;
+ };
+ struct { /* STRP15 */
+ uint32_t :3,
+ cs_ss6 :2,
+ :1,
+ IWL_EN :1,
+ :1,
+ t209min :2,
+ :22;
+ };
+ } ibex;
+ struct { /* cougar point */
+ struct { /* STRP0 */
+ uint32_t :1,
+ cs_ss1 :1,
+ :5,
+ SMB_EN :1,
+ SML0_EN :1,
+ SML1_EN :1,
+ SML1FRQ :2,
+ SMB0FRQ :2,
+ SML0FRQ :2,
+ :4,
+ LANPHYPC_GP12_SEL :1,
+ LINKSEC_DIS :1,
+ :2,
+ DMI_REQID_DIS :1,
+ :4,
+ BBBS :2,
+ :1;
+ };
+ struct { /* STRP1 */
+ uint32_t cs_ss3 :4,
+ :4,
+ cs_ss2 :1,
+ :28;
+ };
+ struct { /* STRP2 */
+ uint32_t :8,
+ MESMASDEN :1,
+ MESMASDA :7,
+ MESMMCTPAEN :1,
+ MESMMCTPA :7,
+ MESMI2CEN :1,
+ MESMI2CA :7;
+ };
+ struct { /* STRP3 */
+ uint32_t :32;
+ };
+ struct { /* STRP4 */
+ uint32_t PHYCON :2,
+ :6,
+ GBEMAC_SMBUS_ADDR_EN :1,
+ GBEMAC_SMBUS_ADDR :7,
+ :1,
+ GBEPHY_SMBUS_ADDR :7,
+ :8;
+ };
+ struct { /* STRP5 */
+ uint32_t :32;
+ };
+ struct { /* STRP6 */
+ uint32_t :32;
+ };
+ struct { /* STRP7 */
+ uint32_t MESMA2UDID_VENDOR :16,
+ MESMA2UDID_DEVICE :16;
+ };
+ struct { /* STRP8 */
+ uint32_t :32;
+ };
+ struct { /* STRP9 */
+ uint32_t PCIEPCS1 :2,
+ PCIEPCS2 :2,
+ PCIELR1 :1,
+ PCIELR2 :1,
+ DMILR :1,
+ cs_ss4 :1,
+ PHY_PCIEPORTSEL :3,
+ PHY_PCIE_EN :1,
+ :2,
+ SUB_DECODE_EN :1,
+ :7,
+ PCHHOT_SML1ALERT_SEL :1,
+ :9;
+ };
+ struct { /* STRP10 */
+ uint32_t :1,
+ ME_BOOT_FLASH :1,
+ :6,
+ MDSMBE_EN :1,
+ MDSMBE_ADD :7,
+ :2,
+ ICC_SEL :3,
+ MER_CL1 :1,
+ ICC_PRO_SEL :1,
+ Deep_SX_EN :1,
+ ME_DBG_LAN :1,
+ :7;
+ };
+ struct { /* STRP11 */
+ uint32_t SML1GPAEN :1,
+ SML1GPA :7,
+ :16,
+ SML1I2CAEN :1,
+ SML1I2CA :7;
+ };
+ struct { /* STRP12 */
+ uint32_t :32;
+ };
+ struct { /* STRP13 */
+ uint32_t :32;
+ };
+ struct { /* STRP14 */
+ uint32_t :32;
+ };
+ struct { /* STRP15 */
+ uint32_t cs_ss6 :6,
+ IWL_EN :1,
+ cs_ss5 :2,
+ :4,
+ SMLINK1_THERM_SEL :1,
+ SLP_LAN_GP29_SEL :1,
+ :16;
+ };
+ struct { /* STRP16 */
+ uint32_t :32;
+ };
+ struct { /* STRP17 */
+ uint32_t ICML :1,
+ cs_ss7 :1,
+ :30;
+ };
+ } cougar;
+ };
+};
+
+struct ich_desc_upper_map {
+ union {
+ uint32_t FLUMAP1; /* Flash Upper Map 1 */
+ struct {
+ uint32_t VTBA :8, /* ME VSCC Table Base Address */
+ VTL :8, /* ME VSCC Table Length */
+ :8,
+ MDTBA :8; /* MIP Descr. Table Base Addr. (new since Cannon Point/300) */
+ };
+ };
+ struct {
+ union { /* JEDEC-ID Register */
+ uint32_t JID;
+ struct {
+ uint32_t vid :8, /* Vendor ID */
+ cid0 :8, /* Component ID 0 */
+ cid1 :8, /* Component ID 1 */
+ :8;
+ };
+ };
+ union { /* Vendor Specific Component Capabilities */
+ uint32_t VSCC;
+ struct {
+ uint32_t ubes :2, /* Upper Block/Sector Erase Size */
+ uwg :1, /* Upper Write Granularity */
+ uwsr :1, /* Upper Write Status Required */
+ uwews :1, /* Upper Write Enable on Write Status */
+ :3,
+ ueo :8, /* Upper Erase Opcode */
+ lbes :2, /* Lower Block/Sector Erase Size */
+ lwg :1, /* Lower Write Granularity */
+ lwsr :1, /* Lower Write Status Required */
+ lwews :1, /* Lower Write Enable on Write Status */
+ :3,
+ leo :16; /* Lower Erase Opcode */
+ };
+ };
+ } vscc_table[128];
+};
+
+struct ich_descriptors {
+ struct ich_desc_content content;
+ struct ich_desc_component component;
+ struct ich_desc_region region;
+ struct ich_desc_master master;
+ struct ich_desc_north_strap north;
+ struct ich_desc_south_strap south;
+ struct ich_desc_upper_map upper;
+};
+
+ssize_t ich_number_of_regions(enum ich_chipset cs, const struct ich_desc_content *content);
+ssize_t ich_number_of_masters(enum ich_chipset cs, const struct ich_desc_content *content);
+
+void prettyprint_ich_chipset(enum ich_chipset cs);
+void prettyprint_ich_descriptors(enum ich_chipset cs, const struct ich_descriptors *desc);
+
+void prettyprint_ich_descriptor_content(enum ich_chipset cs, const struct ich_desc_content *content);
+void prettyprint_ich_descriptor_component(enum ich_chipset cs, const struct ich_descriptors *desc);
+void prettyprint_ich_descriptor_region(enum ich_chipset cs, const struct ich_descriptors *desc);
+void prettyprint_ich_descriptor_master(enum ich_chipset cs, const struct ich_descriptors *desc);
+
+void prettyprint_ich_descriptor_upper_map(const struct ich_desc_upper_map *umap);
+void prettyprint_ich_descriptor_straps(enum ich_chipset cs, const struct ich_descriptors *desc);
+int read_ich_descriptors_from_dump(const uint32_t *dump, size_t len, enum ich_chipset *cs, struct ich_descriptors *desc);
+
+int read_ich_descriptors_via_fdo(enum ich_chipset cs, void *spibar, struct ich_descriptors *desc);
+int getFCBA_component_density(enum ich_chipset cs, const struct ich_descriptors *desc, uint8_t idx);
+
+int layout_from_ich_descriptors(struct flashrom_layout **, const void *dump, size_t len);
+
+#endif /* __ICH_DESCRIPTORS_H__ */