| /* |
| * inteltool - dump all registers on an Intel CPU + chipset based system. |
| * |
| * Copyright (C) 2008 by coresystems GmbH |
| * |
| * 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; version 2 of the License. |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #include <stdio.h> |
| #include "inteltool.h" |
| |
| static const io_register_t ich0_gpio_registers[] = { |
| { 0x00, 4, "GPIO_USE_SEL" }, |
| { 0x04, 4, "GP_IO_SEL" }, |
| { 0x08, 4, "RESERVED" }, |
| { 0x0c, 4, "GP_LVL" }, |
| { 0x10, 4, "RESERVED" }, |
| { 0x14, 4, "GPO_TTL" }, |
| { 0x18, 4, "GPO_BLINK" }, |
| { 0x1c, 4, "RESERVED" }, |
| { 0x20, 4, "RESERVED" }, |
| { 0x24, 4, "RESERVED" }, |
| { 0x28, 4, "RESERVED" }, |
| { 0x2c, 4, "GPI_INV" }, |
| { 0x30, 4, "RESERVED" }, |
| { 0x34, 4, "RESERVED" }, |
| { 0x38, 4, "RESERVED" }, |
| { 0x3C, 4, "RESERVED" } |
| }; |
| |
| static const io_register_t ich4_gpio_registers[] = { |
| { 0x00, 4, "GPIO_USE_SEL" }, |
| { 0x04, 4, "GP_IO_SEL" }, |
| { 0x08, 4, "RESERVED" }, |
| { 0x0c, 4, "GP_LVL" }, |
| { 0x10, 4, "RESERVED" }, |
| { 0x14, 4, "GPO_TTL" }, |
| { 0x18, 4, "GPO_BLINK" }, |
| { 0x1c, 4, "RESERVED" }, |
| { 0x20, 4, "RESERVED" }, |
| { 0x24, 4, "RESERVED" }, |
| { 0x28, 4, "RESERVED" }, |
| { 0x2c, 4, "GPI_INV" }, |
| { 0x30, 4, "GPIO_USE_SEL2" }, |
| { 0x34, 4, "GP_IO_SEL2" }, |
| { 0x38, 4, "GP_LVL2" }, |
| { 0x3C, 4, "RESERVED" } |
| }; |
| |
| static const io_register_t ich7_gpio_registers[] = { |
| { 0x00, 4, "GPIO_USE_SEL" }, |
| { 0x04, 4, "GP_IO_SEL" }, |
| { 0x08, 4, "RESERVED" }, |
| { 0x0c, 4, "GP_LVL" }, |
| { 0x10, 4, "RESERVED" }, |
| { 0x14, 4, "RESERVED" }, |
| { 0x18, 4, "GPO_BLINK" }, |
| { 0x1c, 4, "RESERVED" }, |
| { 0x20, 4, "RESERVED" }, |
| { 0x24, 4, "RESERVED" }, |
| { 0x28, 4, "RESERVED" }, |
| { 0x2c, 4, "GPI_INV" }, |
| { 0x30, 4, "GPIO_USE_SEL2" }, |
| { 0x34, 4, "GP_IO_SEL2" }, |
| { 0x38, 4, "GP_LVL2" }, |
| { 0x3C, 4, "RESERVED" } |
| }; |
| |
| static const io_register_t ich8_gpio_registers[] = { |
| { 0x00, 4, "GPIO_USE_SEL" }, |
| { 0x04, 4, "GP_IO_SEL" }, |
| { 0x08, 4, "RESERVED" }, |
| { 0x0c, 4, "GP_LVL" }, |
| { 0x10, 4, "GPIO_USE_SEL Override (LOW)" }, |
| { 0x14, 4, "RESERVED" }, |
| { 0x18, 4, "GPO_BLINK" }, |
| { 0x1c, 4, "GP_SER_BLINK" }, |
| { 0x20, 4, "GP_SB_CMDSTS" }, |
| { 0x24, 4, "GP_SB_DATA" }, |
| { 0x28, 4, "RESERVED" }, |
| { 0x2c, 4, "GPI_INV" }, |
| { 0x30, 4, "GPIO_USE_SEL2" }, |
| { 0x34, 4, "GP_IO_SEL2" }, |
| { 0x38, 4, "GP_LVL2" }, |
| { 0x3C, 4, "GPIO_USE_SEL Override (HIGH)" } |
| }; |
| |
| |
| int print_gpios(struct pci_dev *sb) |
| { |
| int i, size; |
| uint16_t gpiobase; |
| const io_register_t *gpio_registers; |
| |
| printf("\n============= GPIOS =============\n\n"); |
| |
| switch (sb->device_id) { |
| case PCI_DEVICE_ID_INTEL_ICH8M: |
| gpiobase = pci_read_word(sb, 0x48) & 0xfffc; |
| gpio_registers = ich8_gpio_registers; |
| size = ARRAY_SIZE(ich8_gpio_registers); |
| break; |
| case PCI_DEVICE_ID_INTEL_ICH7: |
| case PCI_DEVICE_ID_INTEL_ICH7M: |
| case PCI_DEVICE_ID_INTEL_ICH7DH: |
| case PCI_DEVICE_ID_INTEL_ICH7MDH: |
| gpiobase = pci_read_word(sb, 0x48) & 0xfffc; |
| gpio_registers = ich7_gpio_registers; |
| size = ARRAY_SIZE(ich7_gpio_registers); |
| break; |
| case PCI_DEVICE_ID_INTEL_ICH4: |
| case PCI_DEVICE_ID_INTEL_ICH4M: |
| gpiobase = pci_read_word(sb, 0x58) & 0xfffc; |
| gpio_registers = ich4_gpio_registers; |
| size = ARRAY_SIZE(ich4_gpio_registers); |
| break; |
| case PCI_DEVICE_ID_INTEL_ICH: |
| case PCI_DEVICE_ID_INTEL_ICH0: |
| gpiobase = pci_read_word(sb, 0x58) & 0xfffc; |
| gpio_registers = ich0_gpio_registers; |
| size = ARRAY_SIZE(ich0_gpio_registers); |
| break; |
| case PCI_DEVICE_ID_INTEL_82371XX: |
| printf("This southbridge has GPIOs in the PM unit.\n"); |
| return 1; |
| case 0x1234: // Dummy for non-existent functionality |
| printf("This southbridge does not have GPIOBASE.\n"); |
| return 1; |
| default: |
| printf("Error: Dumping GPIOs on this southbridge is not (yet) supported.\n"); |
| return 1; |
| } |
| |
| printf("GPIOBASE = 0x%04x (IO)\n\n", gpiobase); |
| |
| for (i = 0; i < size; i++) { |
| switch (gpio_registers[i].size) { |
| case 4: |
| printf("gpiobase+0x%04x: 0x%08x (%s)\n", |
| gpio_registers[i].addr, |
| inl(gpiobase+gpio_registers[i].addr), |
| gpio_registers[i].name); |
| break; |
| case 2: |
| printf("gpiobase+0x%04x: 0x%04x (%s)\n", |
| gpio_registers[i].addr, |
| inw(gpiobase+gpio_registers[i].addr), |
| gpio_registers[i].name); |
| break; |
| case 1: |
| printf("gpiobase+0x%04x: 0x%02x (%s)\n", |
| gpio_registers[i].addr, |
| inb(gpiobase+gpio_registers[i].addr), |
| gpio_registers[i].name); |
| break; |
| } |
| } |
| |
| return 0; |
| } |
| |