Patrick Georgi | 7333a11 | 2020-05-08 20:48:04 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
Uwe Hermann | 622fb79 | 2010-01-24 01:47:58 +0000 | [diff] [blame] | 2 | |
| 3 | #include "superiotool.h" |
| 4 | |
| 5 | #define DEVICE_ID_VT82C686_REG 0xe0 |
| 6 | #define DEVICE_REV_VT82C686_REG 0xe1 |
| 7 | |
Lubomir Rintel | 2f6a29e | 2017-10-31 09:25:05 +0100 | [diff] [blame] | 8 | #define DEVICE_ID_VT1211_REG 0x20 |
| 9 | #define DEVICE_REV_VT1211_REG 0x21 |
| 10 | |
Uwe Hermann | 622fb79 | 2010-01-24 01:47:58 +0000 | [diff] [blame] | 11 | static const struct superio_registers reg_table[] = { |
Lubomir Rintel | 4d1bbe9 | 2017-10-31 09:25:18 +0100 | [diff] [blame] | 12 | {0x3c00, "VT82C686A/VT82C686B", { |
| 13 | {EOT}}}, |
| 14 | {0x3c01, "VT1211", { |
Lubomir Rintel | c163304 | 2017-10-31 09:25:23 +0100 | [diff] [blame] | 15 | {NOLDN, NULL, |
| 16 | {0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,0x29, |
| 17 | 0x2e,0x2f,EOT}, |
| 18 | {0x3c,0x01,0x00,0x11,0x00,0x00,0x00,0x00,0x00,0x00, |
| 19 | 0x00,0x00,EOT}}, |
| 20 | {0x0, "Floppy Disk Controller (FDC)", |
| 21 | {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT}, |
| 22 | {0x00,0x03,0xf0,0x06,0x01,0x00,0x00,EOT}}, |
| 23 | {0x1, "Parallel Port (PP)", |
| 24 | {0x30,0x60,0x61,0x70,0x74,0xf0,EOT}, |
| 25 | {0x03,0x03,0x78,0x05,0x00,0x00,EOT}}, |
| 26 | {0x2, "Serial Port 1 (UART1)", |
| 27 | {0x30,0x60,0x61,0x70,0xf0,EOT}, |
| 28 | {0x00,0x03,0xf8,0x04,0x00,EOT}}, |
| 29 | {0x3, "Serial Port 2 (UART2)", |
| 30 | {0x30,0x60,0x61,0x70,0xf0,EOT}, |
| 31 | {0x00,0x02,0xf8,0x03,0x00,EOT}}, |
| 32 | {0x6, "MIDI", |
| 33 | {0x30,0x60,0x61,0x70,EOT}, |
| 34 | {0x00,0x03,0x30,0x00,EOT}}, |
| 35 | {0x7, "Game Port (GMP)", |
| 36 | {0x30,0x60,0x61,EOT}, |
| 37 | {0x00,0x02,0x00,EOT}}, |
| 38 | {0x8, "GPIO", |
| 39 | {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT}, |
| 40 | {0x00,0xe9,0x00,0x00,0x00,0x00,0x00,EOT}}, |
| 41 | {0x9, "Watch Dog (WDG)", |
| 42 | {0x30,0x60,0x61,0x70,0xf0,EOT}, |
| 43 | {0x00,0xea,0x00,0x00,0x00,EOT}}, |
| 44 | {0xa, "Wake-up Control (WUC)", |
| 45 | {0x30,0x60,0x61,0x70,EOT}, |
| 46 | {0x00,0xeb,0x00,0x00,EOT}}, |
| 47 | {0xb, "Hardware Monitor (HM)", |
| 48 | {0x30,0x60,0x61,0x70,EOT}, |
| 49 | {0x00,0xec,0x00,0x00,EOT}}, |
| 50 | {0xc, "Very Fast IR (VFIR)", |
| 51 | {0x30,0x60,0x61,0x70,0x74,0xf0,EOT}, |
| 52 | {0x00,0xe8,0x00,0x00,0x06,0x00,EOT}}, |
| 53 | {0xd, "Flash ROM (ROM)", |
| 54 | {0x30,0xf0,EOT}, |
| 55 | {0x01,0x00,EOT}}, |
Uwe Hermann | 622fb79 | 2010-01-24 01:47:58 +0000 | [diff] [blame] | 56 | {EOT}}}, |
| 57 | {EOT} |
| 58 | }; |
| 59 | |
| 60 | static uint8_t vt82c686_conf = 0; |
| 61 | |
| 62 | static int enter_conf_mode_via_vt82c686(void) |
| 63 | { |
| 64 | struct pci_dev *dev; |
| 65 | |
| 66 | dev = pci_dev_find(0x1106, 0x0686); |
| 67 | if (!dev) { |
| 68 | if (verbose) |
| 69 | printf(" PCI device 1106:0686 not found.\n"); |
| 70 | return 1; |
| 71 | } |
| 72 | |
| 73 | vt82c686_conf = pci_read_byte(dev, 0x85); |
| 74 | if (verbose) |
| 75 | printf(" Super I/O %sabled, Super I/O configuration %sabled\n", |
| 76 | (vt82c686_conf & (1 << 0)) ? "en" : "dis", |
| 77 | (vt82c686_conf & (1 << 1)) ? "en" : "dis"); |
| 78 | |
| 79 | /* If the Super I/O is not enabled, skip it. */ |
| 80 | if (!(vt82c686_conf & (1 << 0))) |
| 81 | return 1; |
| 82 | |
| 83 | /* Enable Super I/O configuration mode. */ |
| 84 | pci_write_byte(dev, 0x85, vt82c686_conf | (1 << 1)); |
| 85 | |
| 86 | return 0; |
| 87 | } |
| 88 | |
| 89 | static void exit_conf_mode_via_vt82c686(void) |
| 90 | { |
| 91 | struct pci_dev *dev; |
| 92 | |
| 93 | dev = pci_dev_find(0x1106, 0x0686); |
| 94 | if (!dev) { |
| 95 | printf("Bug: PCI device 1106:0686 not found during shutdown.\n" |
| 96 | "Please report to coreboot@coreboot.org.\n"); |
| 97 | return; |
| 98 | } |
| 99 | |
| 100 | /* Restore (disable?) Super I/O configuration mode setting. */ |
| 101 | pci_write_byte(dev, 0x85, vt82c686_conf); |
| 102 | } |
| 103 | |
| 104 | void probe_idregs_via(uint16_t port) |
| 105 | { |
| 106 | uint16_t id; |
Lubomir Rintel | 4d1bbe9 | 2017-10-31 09:25:18 +0100 | [diff] [blame] | 107 | uint8_t devid; |
Uwe Hermann | 622fb79 | 2010-01-24 01:47:58 +0000 | [diff] [blame] | 108 | uint8_t rev; |
| 109 | |
Lubomir Rintel | 2f6a29e | 2017-10-31 09:25:05 +0100 | [diff] [blame] | 110 | if (port == 0x3f0) { |
Lubomir Rintel | 4d1bbe9 | 2017-10-31 09:25:18 +0100 | [diff] [blame] | 111 | probing_for("VIA", "(init=vt82c686) ", port); |
Lubomir Rintel | 2f6a29e | 2017-10-31 09:25:05 +0100 | [diff] [blame] | 112 | if (enter_conf_mode_via_vt82c686()) |
| 113 | return; |
Uwe Hermann | 622fb79 | 2010-01-24 01:47:58 +0000 | [diff] [blame] | 114 | |
Lubomir Rintel | 4d1bbe9 | 2017-10-31 09:25:18 +0100 | [diff] [blame] | 115 | devid = regval(port, DEVICE_ID_VT82C686_REG); |
Lubomir Rintel | 2f6a29e | 2017-10-31 09:25:05 +0100 | [diff] [blame] | 116 | rev = regval(port, DEVICE_REV_VT82C686_REG); |
Lubomir Rintel | 4d1bbe9 | 2017-10-31 09:25:18 +0100 | [diff] [blame] | 117 | id = devid << 8; |
Uwe Hermann | 622fb79 | 2010-01-24 01:47:58 +0000 | [diff] [blame] | 118 | |
Lubomir Rintel | 2f6a29e | 2017-10-31 09:25:05 +0100 | [diff] [blame] | 119 | if (superio_unknown(reg_table, id)) { |
| 120 | if (verbose) |
Lubomir Rintel | 4d1bbe9 | 2017-10-31 09:25:18 +0100 | [diff] [blame] | 121 | printf(NOTFOUND "id=0x%02x, rev=0x%02x\n", devid, rev); |
Lubomir Rintel | 2f6a29e | 2017-10-31 09:25:05 +0100 | [diff] [blame] | 122 | } else { |
Lubomir Rintel | 4d1bbe9 | 2017-10-31 09:25:18 +0100 | [diff] [blame] | 123 | printf("Found VIA %s (id=0x%02x, rev=0x%02x) at 0x%x\n", |
| 124 | get_superio_name(reg_table, id), devid, rev, port); |
Lubomir Rintel | 2f6a29e | 2017-10-31 09:25:05 +0100 | [diff] [blame] | 125 | chip_found = 1; |
| 126 | } |
Uwe Hermann | 622fb79 | 2010-01-24 01:47:58 +0000 | [diff] [blame] | 127 | exit_conf_mode_via_vt82c686(); |
Lubomir Rintel | 2f6a29e | 2017-10-31 09:25:05 +0100 | [diff] [blame] | 128 | if (chip_found) |
| 129 | return; |
| 130 | } else { |
Lubomir Rintel | 4d1bbe9 | 2017-10-31 09:25:18 +0100 | [diff] [blame] | 131 | probing_for("VIA", "(init=0x87,0x87) ", port); |
Lubomir Rintel | 2f6a29e | 2017-10-31 09:25:05 +0100 | [diff] [blame] | 132 | enter_conf_mode_winbond_fintek_ite_8787(port); |
| 133 | |
Lubomir Rintel | 4d1bbe9 | 2017-10-31 09:25:18 +0100 | [diff] [blame] | 134 | devid = regval(port, DEVICE_ID_VT1211_REG); |
Lubomir Rintel | 2f6a29e | 2017-10-31 09:25:05 +0100 | [diff] [blame] | 135 | rev = regval(port, DEVICE_REV_VT1211_REG); |
Lubomir Rintel | 4d1bbe9 | 2017-10-31 09:25:18 +0100 | [diff] [blame] | 136 | id = (devid << 8) | 1; |
Lubomir Rintel | 2f6a29e | 2017-10-31 09:25:05 +0100 | [diff] [blame] | 137 | |
| 138 | if (superio_unknown(reg_table, id)) { |
| 139 | if (verbose) |
Lubomir Rintel | 4d1bbe9 | 2017-10-31 09:25:18 +0100 | [diff] [blame] | 140 | printf(NOTFOUND "id=0x%02x, rev=0x%02x\n", devid, rev); |
Lubomir Rintel | 2f6a29e | 2017-10-31 09:25:05 +0100 | [diff] [blame] | 141 | } else { |
Lubomir Rintel | 4d1bbe9 | 2017-10-31 09:25:18 +0100 | [diff] [blame] | 142 | printf("Found VIA %s (id=0x%02x, rev=0x%02x) at 0x%x\n", |
| 143 | get_superio_name(reg_table, id), devid, rev, port); |
Lubomir Rintel | 2f6a29e | 2017-10-31 09:25:05 +0100 | [diff] [blame] | 144 | chip_found = 1; |
Lubomir Rintel | 4d1bbe9 | 2017-10-31 09:25:18 +0100 | [diff] [blame] | 145 | dump_superio("VIA", reg_table, port, id, LDN_SEL); |
Lubomir Rintel | 2f6a29e | 2017-10-31 09:25:05 +0100 | [diff] [blame] | 146 | } |
Uwe Hermann | 622fb79 | 2010-01-24 01:47:58 +0000 | [diff] [blame] | 147 | } |
| 148 | |
Lubomir Rintel | 2f6a29e | 2017-10-31 09:25:05 +0100 | [diff] [blame] | 149 | exit_conf_mode_winbond_fintek_ite_8787(port); |
Uwe Hermann | 622fb79 | 2010-01-24 01:47:58 +0000 | [diff] [blame] | 150 | } |
| 151 | |
| 152 | void print_via_chips(void) |
| 153 | { |
| 154 | print_vendor_chips("VIA", reg_table); |
| 155 | } |