Alexander Couzens | aa3dd5d | 2015-01-03 02:52:10 +0100 | [diff] [blame] | 1 | |
| 2 | #include <stdio.h> |
| 3 | #include <stdlib.h> |
| 4 | #include "inteltool.h" |
| 5 | |
| 6 | static const io_register_t pch_bios_cntl_registers[] = { |
| 7 | { 0x0, 1, "BIOSWE - write enable" }, |
| 8 | { 0x1, 1, "BLE - lock enable" }, |
| 9 | { 0x2, 2, "SPI Read configuration" }, |
| 10 | { 0x4, 1, "TopSwapStatus" }, |
| 11 | { 0x5, 1, "SMM Bios Write Protect Disable" }, |
| 12 | { 0x6, 2, "reserved" }, |
| 13 | }; |
| 14 | |
| 15 | #define SPIBAR 0x3800 |
| 16 | |
| 17 | static const io_register_t spi_bar_registers[] = { |
| 18 | { SPIBAR + 0x00, 4, "BFPR - BIOS Flash primary region" }, |
| 19 | { SPIBAR + 0x04, 2, "HSFSTS - Hardware Sequencing Flash Status" }, |
| 20 | { SPIBAR + 0x06, 2, "HSFCTL - Hardware Sequencing Flash Control" }, |
| 21 | { SPIBAR + 0x08, 4, "FADDR - Flash Address" }, |
| 22 | { SPIBAR + 0x0c, 4, "Reserved" }, |
| 23 | { SPIBAR + 0x10, 4, "FDATA0" }, |
| 24 | /* 0x10 .. 0x4f are filled with data */ |
| 25 | { SPIBAR + 0x50, 4, "FRACC - Flash Region Access Permissions" }, |
| 26 | { SPIBAR + 0x54, 4, "Flash Region 0" }, |
| 27 | { SPIBAR + 0x58, 4, "Flash Region 1" }, |
| 28 | { SPIBAR + 0x5c, 4, "Flash Region 2" }, |
| 29 | { SPIBAR + 0x60, 4, "Flash Region 3" }, |
| 30 | { SPIBAR + 0x64, 4, "Flash Region 4" }, |
| 31 | { SPIBAR + 0x74, 4, "FPR0 Flash Protected Range 0" }, |
| 32 | { SPIBAR + 0x78, 4, "FPR0 Flash Protected Range 1" }, |
| 33 | { SPIBAR + 0x7c, 4, "FPR0 Flash Protected Range 2" }, |
| 34 | { SPIBAR + 0x80, 4, "FPR0 Flash Protected Range 3" }, |
| 35 | { SPIBAR + 0x84, 4, "FPR0 Flash Protected Range 4" }, |
| 36 | { SPIBAR + 0x90, 1, "SSFSTS - Software Sequencing Flash Status" }, |
| 37 | { SPIBAR + 0x91, 3, "SSFSTS - Software Sequencing Flash Status" }, |
| 38 | { SPIBAR + 0x94, 2, "PREOP - Prefix opcode Configuration" }, |
| 39 | { SPIBAR + 0x96, 2, "OPTYPE - Opcode Type Configuration" }, |
| 40 | { SPIBAR + 0x98, 8, "OPMENU - Opcode Menu Configuration" }, |
| 41 | { SPIBAR + 0xa0, 1, "BBAR - BIOS Base Address Configuration" }, |
| 42 | { SPIBAR + 0xb0, 4, "FDOC - Flash Descriptor Observability Control" }, |
| 43 | { SPIBAR + 0xb8, 4, "Reserved" }, |
| 44 | { SPIBAR + 0xc0, 4, "AFC - Additional Flash Control" }, |
| 45 | { SPIBAR + 0xc4, 4, "LVSCC - Host Lower Vendor Specific Component Capabilities" }, |
| 46 | { SPIBAR + 0xc8, 4, "UVSCC - Host Upper Vendor Specific Component Capabilities" }, |
| 47 | { SPIBAR + 0xd0, 4, "FPB - Flash Partition Boundary" }, |
| 48 | }; |
| 49 | |
| 50 | int print_bioscntl(struct pci_dev *sb) |
| 51 | { |
| 52 | int i, size = 0; |
| 53 | unsigned char bios_cntl = 0xff; |
| 54 | const io_register_t *bios_cntl_register = NULL; |
| 55 | |
| 56 | printf("\n============= SPI / BIOS CNTL =============\n\n"); |
| 57 | |
| 58 | switch (sb->device_id) { |
| 59 | case PCI_DEVICE_ID_INTEL_3400: |
| 60 | case PCI_DEVICE_ID_INTEL_3420: |
| 61 | case PCI_DEVICE_ID_INTEL_3450: |
| 62 | case PCI_DEVICE_ID_INTEL_3400_DESKTOP: |
| 63 | case PCI_DEVICE_ID_INTEL_B55_A: |
| 64 | case PCI_DEVICE_ID_INTEL_B55_B: |
| 65 | case PCI_DEVICE_ID_INTEL_H55: |
| 66 | case PCI_DEVICE_ID_INTEL_H57: |
| 67 | case PCI_DEVICE_ID_INTEL_P55: |
| 68 | case PCI_DEVICE_ID_INTEL_Q57: |
| 69 | case PCI_DEVICE_ID_INTEL_3400_MOBILE: |
| 70 | case PCI_DEVICE_ID_INTEL_3400_MOBILE_SFF: |
| 71 | case PCI_DEVICE_ID_INTEL_HM55: |
| 72 | case PCI_DEVICE_ID_INTEL_HM57: |
| 73 | case PCI_DEVICE_ID_INTEL_PM55: |
| 74 | case PCI_DEVICE_ID_INTEL_QM57: |
| 75 | case PCI_DEVICE_ID_INTEL_QS57: |
| 76 | bios_cntl = pci_read_byte(sb, 0xdc); |
| 77 | bios_cntl_register = pch_bios_cntl_registers; |
| 78 | size = ARRAY_SIZE(pch_bios_cntl_registers); |
| 79 | break; |
| 80 | default: |
| 81 | printf("Error: Dumping SPI on this southbridge is not (yet) supported.\n"); |
| 82 | return 1; |
| 83 | } |
| 84 | |
| 85 | printf("BIOS_CNTL = 0x%04x (IO)\n\n", bios_cntl); |
| 86 | |
| 87 | if (bios_cntl_register) { |
| 88 | for (i = 0; i < size; i++) { |
| 89 | unsigned int val = bios_cntl >> bios_cntl_register[i].addr; |
| 90 | val &= ((1 << bios_cntl_register[i].size) -1); |
| 91 | printf("0x%04x = %s\n", val, bios_cntl_register[i].name); |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | return 0; |
| 96 | } |
| 97 | |
| 98 | int print_spibar(struct pci_dev *sb) { |
| 99 | int i, size = 0, rcba_size = 0x4000; |
| 100 | volatile uint8_t *rcba; |
| 101 | uint32_t rcba_phys; |
| 102 | const io_register_t *spi_register = NULL; |
| 103 | |
| 104 | printf("\n============= SPI Bar ==============\n\n"); |
| 105 | |
| 106 | switch (sb->device_id) { |
| 107 | case PCI_DEVICE_ID_INTEL_ICH6: |
| 108 | case PCI_DEVICE_ID_INTEL_ICH7: |
| 109 | case PCI_DEVICE_ID_INTEL_ICH7M: |
| 110 | case PCI_DEVICE_ID_INTEL_ICH7DH: |
| 111 | case PCI_DEVICE_ID_INTEL_ICH7MDH: |
| 112 | case PCI_DEVICE_ID_INTEL_ICH8: |
| 113 | case PCI_DEVICE_ID_INTEL_ICH8M: |
Lubomir Rintel | 2a13bad | 2015-03-01 10:14:15 +0100 | [diff] [blame] | 114 | case PCI_DEVICE_ID_INTEL_ICH8ME: |
Alexander Couzens | aa3dd5d | 2015-01-03 02:52:10 +0100 | [diff] [blame] | 115 | case PCI_DEVICE_ID_INTEL_ICH9DH: |
| 116 | case PCI_DEVICE_ID_INTEL_ICH9DO: |
| 117 | case PCI_DEVICE_ID_INTEL_ICH9R: |
| 118 | case PCI_DEVICE_ID_INTEL_ICH9: |
| 119 | case PCI_DEVICE_ID_INTEL_ICH9M: |
| 120 | case PCI_DEVICE_ID_INTEL_ICH9ME: |
| 121 | case PCI_DEVICE_ID_INTEL_ICH10R: |
| 122 | case PCI_DEVICE_ID_INTEL_NM10: |
| 123 | case PCI_DEVICE_ID_INTEL_I63XX: |
| 124 | case PCI_DEVICE_ID_INTEL_3400: |
| 125 | case PCI_DEVICE_ID_INTEL_3420: |
| 126 | case PCI_DEVICE_ID_INTEL_3450: |
| 127 | case PCI_DEVICE_ID_INTEL_3400_DESKTOP: |
| 128 | case PCI_DEVICE_ID_INTEL_3400_MOBILE: |
| 129 | case PCI_DEVICE_ID_INTEL_3400_MOBILE_SFF: |
| 130 | case PCI_DEVICE_ID_INTEL_B55_A: |
| 131 | case PCI_DEVICE_ID_INTEL_B55_B: |
| 132 | case PCI_DEVICE_ID_INTEL_H55: |
| 133 | case PCI_DEVICE_ID_INTEL_H57: |
| 134 | case PCI_DEVICE_ID_INTEL_HM55: |
| 135 | case PCI_DEVICE_ID_INTEL_HM57: |
| 136 | case PCI_DEVICE_ID_INTEL_P55: |
| 137 | case PCI_DEVICE_ID_INTEL_PM55: |
| 138 | case PCI_DEVICE_ID_INTEL_Q57: |
| 139 | case PCI_DEVICE_ID_INTEL_QM57: |
| 140 | case PCI_DEVICE_ID_INTEL_QS57: |
| 141 | case PCI_DEVICE_ID_INTEL_Z68: |
| 142 | case PCI_DEVICE_ID_INTEL_P67: |
| 143 | case PCI_DEVICE_ID_INTEL_UM67: |
| 144 | case PCI_DEVICE_ID_INTEL_HM65: |
| 145 | case PCI_DEVICE_ID_INTEL_H67: |
| 146 | case PCI_DEVICE_ID_INTEL_HM67: |
| 147 | case PCI_DEVICE_ID_INTEL_Q65: |
| 148 | case PCI_DEVICE_ID_INTEL_QS67: |
| 149 | case PCI_DEVICE_ID_INTEL_Q67: |
| 150 | case PCI_DEVICE_ID_INTEL_QM67: |
| 151 | case PCI_DEVICE_ID_INTEL_B65: |
| 152 | case PCI_DEVICE_ID_INTEL_C202: |
| 153 | case PCI_DEVICE_ID_INTEL_C204: |
| 154 | case PCI_DEVICE_ID_INTEL_C206: |
| 155 | case PCI_DEVICE_ID_INTEL_H61: |
| 156 | case PCI_DEVICE_ID_INTEL_Z77: |
| 157 | case PCI_DEVICE_ID_INTEL_Z75: |
| 158 | case PCI_DEVICE_ID_INTEL_Q77: |
| 159 | case PCI_DEVICE_ID_INTEL_Q75: |
| 160 | case PCI_DEVICE_ID_INTEL_B75: |
| 161 | case PCI_DEVICE_ID_INTEL_H77: |
| 162 | case PCI_DEVICE_ID_INTEL_C216: |
| 163 | case PCI_DEVICE_ID_INTEL_QM77: |
| 164 | case PCI_DEVICE_ID_INTEL_QS77: |
| 165 | case PCI_DEVICE_ID_INTEL_HM77: |
| 166 | case PCI_DEVICE_ID_INTEL_UM77: |
| 167 | case PCI_DEVICE_ID_INTEL_HM76: |
| 168 | case PCI_DEVICE_ID_INTEL_HM75: |
| 169 | case PCI_DEVICE_ID_INTEL_HM70: |
| 170 | case PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_FULL: |
| 171 | case PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_PREM: |
| 172 | case PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_BASE: |
| 173 | rcba_phys = pci_read_long(sb, 0xf0) & 0xfffffffe; |
| 174 | size = ARRAY_SIZE(spi_bar_registers); |
| 175 | spi_register = spi_bar_registers; |
| 176 | break; |
| 177 | case PCI_DEVICE_ID_INTEL_ICH: |
| 178 | case PCI_DEVICE_ID_INTEL_ICH0: |
| 179 | case PCI_DEVICE_ID_INTEL_ICH2: |
| 180 | case PCI_DEVICE_ID_INTEL_ICH4: |
| 181 | case PCI_DEVICE_ID_INTEL_ICH4M: |
| 182 | case PCI_DEVICE_ID_INTEL_ICH5: |
| 183 | printf("This southbridge does not have RCBA.\n"); |
| 184 | return 1; |
| 185 | default: |
| 186 | printf("Error: Dumping RCBA on this southbridge is not (yet) supported.\n"); |
| 187 | return 1; |
| 188 | } |
| 189 | |
| 190 | rcba = map_physical(rcba_phys, rcba_size); |
| 191 | if (rcba == NULL) { |
| 192 | perror("Error mapping RCBA"); |
| 193 | exit(1); |
| 194 | } |
| 195 | |
| 196 | for (i = 0; i < size; i++) { |
| 197 | switch(spi_register[i].size) { |
| 198 | case 1: |
| 199 | printf("0x%08x = %s\n", *(uint8_t *)(rcba + spi_register[i].addr), spi_register[i].name); |
| 200 | break; |
| 201 | case 2: |
| 202 | printf("0x%08x = %s\n", *(uint16_t *)(rcba + spi_register[i].addr), spi_register[i].name); |
| 203 | break; |
| 204 | case 4: |
| 205 | printf("0x%08x = %s\n", *(uint32_t *)(rcba + spi_register[i].addr), spi_register[i].name); |
| 206 | break; |
| 207 | case 8: |
| 208 | printf("0x%08x%08x = %s\n", *(uint32_t *)(rcba + spi_register[i].addr), *(uint32_t *)(rcba + spi_register[i].addr + 4), spi_register[i].name); |
| 209 | break; |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | unmap_physical((void *)rcba, rcba_size); |
| 214 | return 0; |
| 215 | } |
| 216 | |
| 217 | int print_spi(struct pci_dev *sb) { |
| 218 | return (print_bioscntl(sb) || print_spibar(sb)); |
| 219 | } |
| 220 | |