2 * This file is part of the coreboot project.
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4 * Copyright (C) 2008 Joseph Smith <joe@settoplinux.org>
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6 * This program is free software; you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation; either version 2 of the License, or
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9 * (at your option) any later version.
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11 * This program is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program; if not, write to the Free Software
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18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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21 #define PME_DEV PNP_DEV(0x2e, 0x0a)
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22 #define PME_IO_BASE_ADDR 0x800 /* Runtime register base address */
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23 #define ICH_IO_BASE_ADDR 0x00000500 /* GPIO base address register */
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25 /* Early mainboard specific GPIO setup. */
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26 static void mb_gpio_init(void)
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32 /* Southbridge GPIOs. */
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33 /* Set the LPC device statically. */
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34 dev = PCI_DEV(0x0, 0x1f, 0x0);
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36 /* Set the value for GPIO base address register and enable GPIO. */
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37 pci_write_config32(dev, GPIO_BASE_ICH0_5, (ICH_IO_BASE_ADDR | 1));
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38 pci_write_config8(dev, GPIO_CNTL_ICH0_5, 0x10);
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40 /* Set GPIO23 to high, this enables the LAN controller. */
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42 set_gpio = inl(ICH_IO_BASE_ADDR + 0x0c);
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43 set_gpio |= 1 << 23;
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44 outl(set_gpio, ICH_IO_BASE_ADDR + 0x0c);
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46 /* Super I/O GPIOs. */
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50 /* Enter the configuration state. */
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52 pnp_set_logical_device(dev);
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53 pnp_set_enable(dev, 0);
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54 pnp_set_iobase(dev, PNP_IDX_IO0, PME_IO_BASE_ADDR);
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55 pnp_set_enable(dev, 1);
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57 /* GP21 - LED_RED */
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58 outl(0x01, PME_IO_BASE_ADDR + 0x2c);
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60 /* GP30 - FAN2_TACH */
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61 outl(0x05, PME_IO_BASE_ADDR + 0x33);
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63 /* GP31 - FAN1_TACH */
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64 outl(0x05, PME_IO_BASE_ADDR + 0x34);
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66 /* GP32 - FAN2_CTRL */
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67 outl(0x04, PME_IO_BASE_ADDR + 0x35);
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69 /* GP33 - FAN1_CTRL */
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70 outl(0x04, PME_IO_BASE_ADDR + 0x36);
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72 /* GP34 - AUD_MUTE_OUT_R */
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73 outl(0x00, PME_IO_BASE_ADDR + 0x37);
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76 outl(0x00, PME_IO_BASE_ADDR + 0x39);
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78 /* GP37 - A20GATE */
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79 outl(0x00, PME_IO_BASE_ADDR + 0x3a);
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81 /* GP42 - GPIO_PME_OUT */
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82 outl(0x00, PME_IO_BASE_ADDR + 0x3d);
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84 /* GP50 - SER2_RI */
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85 outl(0x05, PME_IO_BASE_ADDR + 0x3f);
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87 /* GP51 - SER2_DCD */
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88 outl(0x05, PME_IO_BASE_ADDR + 0x40);
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90 /* GP52 - SER2_RX */
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91 outl(0x05, PME_IO_BASE_ADDR + 0x41);
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93 /* GP53 - SER2_TX */
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94 outl(0x04, PME_IO_BASE_ADDR + 0x42);
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96 /* GP55 - SER2_RTS */
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97 outl(0x04, PME_IO_BASE_ADDR + 0x44);
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99 /* GP56 - SER2_CTS */
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100 outl(0x05, PME_IO_BASE_ADDR + 0x45);
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102 /* GP57 - SER2_DTR */
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103 outl(0x04, PME_IO_BASE_ADDR + 0x46);
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105 /* GP60 - LED_GREEN */
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106 outl(0x01, PME_IO_BASE_ADDR + 0x47);
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108 /* GP61 - LED_YELLOW */
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109 outl(0x01, PME_IO_BASE_ADDR + 0x48);
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112 outl(0xc0, PME_IO_BASE_ADDR + 0x4d);
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115 outl(0x04, PME_IO_BASE_ADDR + 0x4e);
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118 outl(0x01, PME_IO_BASE_ADDR + 0x56);
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121 outl(0x01, PME_IO_BASE_ADDR + 0x57);
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124 outl(0x50, PME_IO_BASE_ADDR + 0x58);
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126 /* Fan1 Tachometer */
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127 outl(0xff, PME_IO_BASE_ADDR + 0x59);
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129 /* Fan2 Tachometer */
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130 outl(0xff, PME_IO_BASE_ADDR + 0x5a);
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133 outl(0x00, PME_IO_BASE_ADDR + 0x5d);
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136 outl(0x00, PME_IO_BASE_ADDR + 0x5e);
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138 /* Keyboard Scan Code */
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139 outl(0x00, PME_IO_BASE_ADDR + 0x5f);
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141 /* Exit the configuration state. */
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