Joseph Smith | b94a79f | 2010-06-21 23:25:06 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2010 Joseph Smith <joe@settoplinux.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #define PME_DEV PNP_DEV(0x4e, 0x0a) |
| 22 | #define PME_IO_BASE_ADDR 0x800 /* Runtime register base address */ |
| 23 | |
| 24 | /* Early mainboard specific GPIO setup. */ |
| 25 | static void mb_gpio_init(void) |
| 26 | { |
| 27 | device_t dev; |
| 28 | uint16_t port; |
| 29 | |
| 30 | /* Southbridge GPIOs. */ |
| 31 | /* Set the LPC device statically. */ |
| 32 | dev = PCI_DEV(0x0, 0x1f, 0x0); |
| 33 | |
| 34 | /* Set the value for GPIO base address register and enable GPIO. */ |
| 35 | pci_write_config32(dev, GPIO_BASE, (GPIO_BASE_ADDR | 1)); |
| 36 | pci_write_config8(dev, GPIO_CNTL, 0x10); |
| 37 | |
| 38 | udelay(10); |
| 39 | outl(0x1a203180, GPIO_BASE_ADDR + 0x00); /* GPIO_USE_SEL */ |
| 40 | outl(0x0000ffff, GPIO_BASE_ADDR + 0x04); /* GP_IO_SEL */ |
| 41 | outl(0x13bf0000, GPIO_BASE_ADDR + 0x0c); /* GP_LVL */ |
| 42 | outl(0x00040000, GPIO_BASE_ADDR + 0x18); /* GPO_BLINK */ |
| 43 | outl(0x000039ff, GPIO_BASE_ADDR + 0x2c); /* GPI_INV */ |
| 44 | |
| 45 | /* Super I/O GPIOs. */ |
| 46 | dev = PME_DEV; |
| 47 | port = dev >> 8; |
| 48 | |
| 49 | /* Enter the configuration state. */ |
| 50 | outb(0x55, port); |
| 51 | pnp_set_logical_device(dev); |
| 52 | pnp_set_enable(dev, 0); |
| 53 | pnp_set_iobase(dev, PNP_IDX_IO0, PME_IO_BASE_ADDR); |
| 54 | pnp_set_enable(dev, 1); |
| 55 | |
| 56 | /* GP10 - J1B1 */ |
| 57 | outl(0x01, PME_IO_BASE_ADDR + 0x23); |
| 58 | |
| 59 | /* GP11 - J1B2 */ |
| 60 | outl(0x01, PME_IO_BASE_ADDR + 0x24); |
| 61 | |
| 62 | /* GP12 - J2B1 */ |
| 63 | outl(0x01, PME_IO_BASE_ADDR + 0x25); |
| 64 | |
| 65 | /* GP13 - J2B2 */ |
| 66 | outl(0x01, PME_IO_BASE_ADDR + 0x26); |
| 67 | |
| 68 | /* GP14 - J1X */ |
| 69 | outl(0x01, PME_IO_BASE_ADDR + 0x27); |
| 70 | |
| 71 | /* GP15 - J1Y */ |
| 72 | outl(0x01, PME_IO_BASE_ADDR + 0x28); |
| 73 | |
| 74 | /* GP16 - J2X */ |
| 75 | outl(0x01, PME_IO_BASE_ADDR + 0x29); |
| 76 | |
| 77 | /* GP17 - J2Y */ |
| 78 | outl(0x01, PME_IO_BASE_ADDR + 0x2a); |
| 79 | |
| 80 | /* GP20 - 8042 P17 */ |
| 81 | outl(0x01, PME_IO_BASE_ADDR + 0x2b); |
| 82 | |
| 83 | /* GP21 - 8042 P16 */ |
| 84 | outl(0x00, PME_IO_BASE_ADDR + 0x2c); |
| 85 | |
| 86 | /* GP22 - 8042 P12 */ |
| 87 | outl(0x00, PME_IO_BASE_ADDR + 0x2d); |
| 88 | |
| 89 | /* GP24 */ |
| 90 | outl(0x00, PME_IO_BASE_ADDR + 0x2f); |
| 91 | |
| 92 | /* GP25 - MIDI_IN */ |
| 93 | outl(0x01, PME_IO_BASE_ADDR + 0x30); |
| 94 | |
| 95 | /* GP26 - MIDI_OUT */ |
| 96 | outl(0x01, PME_IO_BASE_ADDR + 0x31); |
| 97 | |
| 98 | /* GP27 - nIO_SMI */ |
| 99 | outl(0x04, PME_IO_BASE_ADDR + 0x32); |
| 100 | |
| 101 | /* GP30 - FAN_TACH2 */ |
| 102 | outl(0x05, PME_IO_BASE_ADDR + 0x33); |
| 103 | |
| 104 | /* GP31 - FAN_TACH1 */ |
| 105 | outl(0x05, PME_IO_BASE_ADDR + 0x34); |
| 106 | |
| 107 | /* GP32 - FAN2 */ |
| 108 | outl(0x04, PME_IO_BASE_ADDR + 0x35); |
| 109 | |
| 110 | /* GP33 - FAN1 */ |
| 111 | outl(0x04, PME_IO_BASE_ADDR + 0x36); |
| 112 | |
| 113 | /* GP34 - IRRX2 */ |
| 114 | outl(0x05, PME_IO_BASE_ADDR + 0x37); |
| 115 | |
| 116 | /* GP35 - IRTX2 */ |
| 117 | outl(0x04, PME_IO_BASE_ADDR + 0x38); |
| 118 | |
| 119 | /* GP36 - nKBDRST */ |
| 120 | outl(0x84, PME_IO_BASE_ADDR + 0x39); |
| 121 | |
| 122 | /* GP37 - A20M */ |
| 123 | outl(0x84, PME_IO_BASE_ADDR + 0x3a); |
| 124 | |
| 125 | /* GP40 - DRVDEN0 */ |
| 126 | outl(0x04, PME_IO_BASE_ADDR + 0x3b); |
| 127 | |
| 128 | /* GP41 - DRVDEN1 */ |
| 129 | outl(0x04, PME_IO_BASE_ADDR + 0x3c); |
| 130 | |
| 131 | /* GP42 - nIO_PME */ |
| 132 | outl(0x84, PME_IO_BASE_ADDR + 0x3d); |
| 133 | |
| 134 | /* GP43 */ |
| 135 | outl(0x00, PME_IO_BASE_ADDR + 0x3e); |
| 136 | |
| 137 | /* GP50 - nIR2 */ |
| 138 | outl(0x05, PME_IO_BASE_ADDR + 0x3f); |
| 139 | |
| 140 | /* GP51 - nDCD2 */ |
| 141 | outl(0x05, PME_IO_BASE_ADDR + 0x40); |
| 142 | |
| 143 | /* GP52 - RXD2 */ |
| 144 | outl(0x05, PME_IO_BASE_ADDR + 0x41); |
| 145 | |
| 146 | /* GP53 - TXD2 */ |
| 147 | outl(0x04, PME_IO_BASE_ADDR + 0x42); |
| 148 | |
| 149 | /* GP54 - nDSR2 */ |
| 150 | outl(0x05, PME_IO_BASE_ADDR + 0x43); |
| 151 | |
| 152 | /* GP55 - nRTS2 */ |
| 153 | outl(0x04, PME_IO_BASE_ADDR + 0x44); |
| 154 | |
| 155 | /* GP56 - nCTS2 */ |
| 156 | outl(0x05, PME_IO_BASE_ADDR + 0x45); |
| 157 | |
| 158 | /* GP57 - nDTR2 */ |
| 159 | outl(0x04, PME_IO_BASE_ADDR + 0x46); |
| 160 | |
| 161 | /* GP60 - LED1 */ |
| 162 | outl(0x84, PME_IO_BASE_ADDR + 0x47); |
| 163 | |
| 164 | /* GP61 - LED2 */ |
| 165 | outl(0x84, PME_IO_BASE_ADDR + 0x48); |
| 166 | |
| 167 | /* GP1 */ |
| 168 | outl(0x00, PME_IO_BASE_ADDR + 0x4b); |
| 169 | |
| 170 | /* GP2 */ |
| 171 | outl(0x14, PME_IO_BASE_ADDR + 0x4c); |
| 172 | |
| 173 | /* GP3 */ |
| 174 | outl(0xda, PME_IO_BASE_ADDR + 0x4d); |
| 175 | |
| 176 | /* GP4 */ |
| 177 | outl(0x08, PME_IO_BASE_ADDR + 0x4e); |
| 178 | |
| 179 | /* GP5 */ |
| 180 | outl(0x00, PME_IO_BASE_ADDR + 0x4f); |
| 181 | |
| 182 | /* GP6 */ |
| 183 | outl(0x00, PME_IO_BASE_ADDR + 0x50); |
| 184 | |
| 185 | /* FAN1 */ |
| 186 | outl(0x01, PME_IO_BASE_ADDR + 0x56); |
| 187 | |
| 188 | /* FAN2 */ |
| 189 | outl(0x01, PME_IO_BASE_ADDR + 0x57); |
| 190 | |
| 191 | /* Fan Control */ |
| 192 | outl(0xf0, PME_IO_BASE_ADDR + 0x58); |
| 193 | |
| 194 | /* Fan1 Preload */ |
| 195 | outl(0x00, PME_IO_BASE_ADDR + 0x5b); |
| 196 | |
| 197 | /* Fan2 Preload */ |
| 198 | outl(0x00, PME_IO_BASE_ADDR + 0x5c); |
| 199 | |
| 200 | /* LED1 */ |
| 201 | outl(0x03, PME_IO_BASE_ADDR + 0x5d); |
| 202 | |
| 203 | /* LED2 */ |
| 204 | outl(0x03, PME_IO_BASE_ADDR + 0x5e); |
| 205 | |
| 206 | /* Keyboard Scan Code */ |
| 207 | outl(0x00, PME_IO_BASE_ADDR + 0x5f); |
| 208 | |
| 209 | /* Exit the configuration state. */ |
| 210 | outb(0xaa, port); |
| 211 | } |