diff options
author | Stefan Reinauer <stepan@coresystems.de> | 2008-08-20 13:41:24 +0000 |
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committer | Stefan Reinauer <stepan@openbios.org> | 2008-08-20 13:41:24 +0000 |
commit | 2319027d7e3a9b44110794a553b10a554fed1102 (patch) | |
tree | 7cb5bffd1c14b6363fb17019bdd4826fd9ec726c /util/inteltool/gpio.c | |
parent | eb02f45e6ff2a6870353816712ff6271250dc7ee (diff) |
split the one file, as the several printing functions will continue to grow
immensly when they know more systems / cpus / chipsets
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3531 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'util/inteltool/gpio.c')
-rw-r--r-- | util/inteltool/gpio.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/util/inteltool/gpio.c b/util/inteltool/gpio.c new file mode 100644 index 0000000000..105e77696a --- /dev/null +++ b/util/inteltool/gpio.c @@ -0,0 +1,145 @@ +/* + * 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 <sys/io.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" } +}; + +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_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 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; +} + |