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authorEdward O'Callaghan <eocallaghan@alterapraxis.com>2014-05-12 05:02:58 +1000
committerKyösti Mälkki <kyosti.malkki@gmail.com>2014-05-12 17:43:46 +0200
commit2e4dea663ce9f23f8cd925803b045259219d927d (patch)
treea59f1b7b5defa2c699c725ab368c31d69d8989db /src/superio/ite
parentf29200240e428761827ab8d179fa23068bfa9d59 (diff)
downloadcoreboot-2e4dea663ce9f23f8cd925803b045259219d927d.tar.xz
superio/ite/it8718f: Remove hard coding from romstage
Make use of the ITE common Super I/O framework and there-by removing any hard coding of Super I/O base address. Change-Id: I14af89d2727d7c6bac0f9840043c430726297429 Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com> Reviewed-on: http://review.coreboot.org/5717 Tested-by: build bot (Jenkins) Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Diffstat (limited to 'src/superio/ite')
-rw-r--r--src/superio/ite/it8718f/early_serial.c44
-rw-r--r--src/superio/ite/it8718f/it8718f.h6
2 files changed, 7 insertions, 43 deletions
diff --git a/src/superio/ite/it8718f/early_serial.c b/src/superio/ite/it8718f/early_serial.c
index deef84043f..166c8569b6 100644
--- a/src/superio/ite/it8718f/early_serial.c
+++ b/src/superio/ite/it8718f/early_serial.c
@@ -1,7 +1,7 @@
/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
+ * Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.com>
*
* 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
@@ -19,51 +19,15 @@
*/
#include <arch/io.h>
+#include <superio/ite/common/ite.h>
#include "it8718f.h"
-/* The base address is 0x2e or 0x4e, depending on config bytes. */
-#define SIO_BASE 0x2e
-#define SIO_INDEX SIO_BASE
-#define SIO_DATA (SIO_BASE + 1)
-
-/* Global configuration registers. */
-#define IT8718F_CONFIG_REG_CC 0x02 /* Configure Control (write-only). */
-#define IT8718F_CONFIG_REG_LDN 0x07 /* Logical Device Number. */
-#define IT8718F_CONFIG_REG_CONFIGSEL 0x22 /* Configuration Select. */
-#define IT8718F_CONFIG_REG_SWSUSP 0x24 /* Software Suspend, Flash I/F. */
-
-static void it8718f_sio_write(u8 ldn, u8 index, u8 value)
-{
- outb(IT8718F_CONFIG_REG_LDN, SIO_BASE);
- outb(ldn, SIO_DATA);
- outb(index, SIO_BASE);
- outb(value, SIO_DATA);
-}
-
-static void it8718f_enter_conf(void)
-{
- u16 port = 0x2e; /* TODO: Don't hardcode! */
-
- outb(0x87, port);
- outb(0x01, port);
- outb(0x55, port);
- outb((port == 0x4e) ? 0xaa : 0x55, port);
-}
-
-static void it8718f_exit_conf(void)
-{
- it8718f_sio_write(0x00, IT8718F_CONFIG_REG_CC, 0x02);
-}
-
-
/*
* GIGABYTE uses a special Super I/O register to protect its Dual BIOS
* mechanism. It lives in the GPIO LDN. However, register 0xEF is not
* mentioned in the IT8718F datasheet so just hardcode it to 0x7E for now.
*/
-void it8718f_disable_reboot(void)
+void it8718f_disable_reboot(device_t dev)
{
- it8718f_enter_conf();
- it8718f_sio_write(IT8718F_GPIO, 0xEF, 0x7E);
- it8718f_exit_conf();
+ ite_reg_write(dev, 0xEF, 0x7E);
}
diff --git a/src/superio/ite/it8718f/it8718f.h b/src/superio/ite/it8718f/it8718f.h
index 018f08a642..61c75cf170 100644
--- a/src/superio/ite/it8718f/it8718f.h
+++ b/src/superio/ite/it8718f/it8718f.h
@@ -21,6 +21,8 @@
#ifndef SUPERIO_ITE_IT8718F_H
#define SUPERIO_ITE_IT8718F_H
+#include <arch/io.h>
+
/* Datasheet: http://www.ite.com.tw/product_info/PC/Brief-IT8718_2.asp */
#define IT8718F_FDC 0x00 /* Floppy */
@@ -33,8 +35,6 @@
#define IT8718F_GPIO 0x07 /* GPIO */
#define IT8718F_IR 0x0a /* Consumer IR */
-#if defined(__PRE_RAM__)
-void it8718f_disable_reboot(void);
-#endif
+void it8718f_disable_reboot(device_t dev);
#endif /* SUPERIO_ITE_IT8718F_H */