summaryrefslogtreecommitdiff
path: root/src/superio
diff options
context:
space:
mode:
authorPhilipp Degler <pdegler@rumms.uni-mannheim.de>2007-05-24 18:44:50 +0000
committerUwe Hermann <uwe@hermann-uwe.de>2007-05-24 18:44:50 +0000
commit4adc7421f5b7c175c34f87d939309034f701d62c (patch)
tree30c1f974c88758fbe1ec82c82c9fe371a24fd838 /src/superio
parent5ecfa2963d4d8d80a01eddbecba87124dee3c516 (diff)
downloadcoreboot-4adc7421f5b7c175c34f87d939309034f701d62c.tar.xz
Various IT8712F fixes:
- Add missing IT8712F_GPIO definition. - Add functions for entering and exiting MB PnP mode. - Add some more device init lines to pnp_dev_info[]. Signed-off-by: Philipp Degler <pdegler@rumms.uni-mannheim.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2695 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/superio')
-rw-r--r--src/superio/ite/it8712f/it8712f.h1
-rw-r--r--src/superio/ite/it8712f/superio.c68
2 files changed, 59 insertions, 10 deletions
diff --git a/src/superio/ite/it8712f/it8712f.h b/src/superio/ite/it8712f/it8712f.h
index 989b7660ff..8348c20587 100644
--- a/src/superio/ite/it8712f/it8712f.h
+++ b/src/superio/ite/it8712f/it8712f.h
@@ -28,6 +28,7 @@
#define IT8712F_EC 0x04 /* Environment controller */
#define IT8712F_KBCK 0x05 /* Keyboard */
#define IT8712F_KBCM 0x06 /* Mouse */
+#define IT8712F_GPIO 0x07 /* GPIO */
#define IT8712F_MIDI 0x08 /* MIDI port */
#define IT8712F_GAME 0x09 /* GAME port */
#define IT8712F_IR 0x0a /* Consumer IR */
diff --git a/src/superio/ite/it8712f/superio.c b/src/superio/ite/it8712f/superio.c
index fa1d43e6cd..41a3b1869a 100644
--- a/src/superio/ite/it8712f/superio.c
+++ b/src/superio/ite/it8712f/superio.c
@@ -2,6 +2,7 @@
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
+ * Copyright (C) 2007 Philipp Degler <pdegler@rumms.uni-mannheim.de>
*
* 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
@@ -22,10 +23,31 @@
#include <device/pnp.h>
#include <uart8250.h>
#include <pc80/keyboard.h>
+#include <arch/io.h>
#include "chip.h"
#include "it8712f.h"
-static void init(device_t dev)
+/* Base address 0x2e: 0x87 0x01 0x55 0x55. */
+/* Base address 0x4e: 0x87 0x01 0x55 0xaa. */
+static void pnp_enter_ext_func_mode(device_t dev)
+{
+ outb(0x87, dev->path.u.pnp.port);
+ outb(0x01, dev->path.u.pnp.port);
+ outb(0x55, dev->path.u.pnp.port);
+
+ if (dev->path.u.pnp.port == 0x4e) {
+ outb(0xaa, dev->path.u.pnp.port);
+ } else {
+ outb(0x55, dev->path.u.pnp.port);
+ }
+}
+
+static void pnp_exit_ext_func_mode(device_t dev)
+{
+ pnp_write_config(dev, 0x02, 0x02);
+}
+
+static void it8712f_init(device_t dev)
{
struct superio_ite_it8712f_config *conf;
struct resource *res0, *res1;
@@ -67,19 +89,45 @@ static void init(device_t dev)
}
}
+static void it8712f_pnp_set_resources(device_t dev)
+{
+ pnp_enter_ext_func_mode(dev);
+ pnp_set_resources(dev);
+ pnp_exit_ext_func_mode(dev);
+}
+
+static void it8712f_pnp_enable_resources(device_t dev)
+{
+ pnp_enter_ext_func_mode(dev);
+ pnp_enable_resources(dev);
+ pnp_exit_ext_func_mode(dev);
+}
+
+static void it8712f_pnp_enable(device_t dev)
+{
+ pnp_enter_ext_func_mode(dev);
+ pnp_set_logical_device(dev);
+ pnp_set_enable(dev, dev->enabled);
+ pnp_exit_ext_func_mode(dev);
+}
+
static struct device_operations ops = {
- .read_resources = pnp_read_resources,
- .set_resources = pnp_set_resources,
- .enable_resources = pnp_enable_resources,
- .enable = pnp_enable,
- .init = init,
+ .read_resources = pnp_read_resources,
+ .set_resources = it8712f_pnp_set_resources,
+ .enable_resources = it8712f_pnp_enable_resources,
+ .enable = it8712f_pnp_enable,
+ .init = it8712f_init,
};
-/* TODO: FDC, PP, EC, KBCM, MIDI, GAME, IR. */
+/* TODO: FDC, MIDI, GAME, IR. */
static struct pnp_info pnp_dev_info[] = {
- { &ops, IT8712F_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
- { &ops, IT8712F_SP2, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, { 0x7f8, 0 }, },
- { &ops, IT8712F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7f8, 0 }, { 0x7f8, 0x4}, },
+ {&ops, IT8712F_SP1, PNP_IO0 | PNP_IRQ0, {0x7f8, 0}, },
+ {&ops, IT8712F_SP2, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, {0x7f8, 0}, },
+ {&ops, IT8712F_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0},},
+ {&ops, IT8712F_EC, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x7f8, 0}, {0x7f8, 0x4},},
+ {&ops, IT8712F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x7f8, 0}, {0x7f8, 0x4}, },
+ {&ops, IT8712F_KBCM, PNP_IRQ0, },
+ {&ops, IT8712F_GPIO, },
};
static void enable_dev(struct device *dev)