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authorStefan Reinauer <stepan@coresystems.de>2008-08-20 13:41:24 +0000
committerStefan Reinauer <stepan@openbios.org>2008-08-20 13:41:24 +0000
commit2319027d7e3a9b44110794a553b10a554fed1102 (patch)
tree7cb5bffd1c14b6363fb17019bdd4826fd9ec726c /util/inteltool/gpio.c
parenteb02f45e6ff2a6870353816712ff6271250dc7ee (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.c145
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;
+}
+