diff options
| author | Edward O'Callaghan <eocallaghan@alterapraxis.com> | 2014-05-12 05:02:58 +1000 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2014-05-12 17:43:46 +0200 |
| commit | 2e4dea663ce9f23f8cd925803b045259219d927d (patch) | |
| tree | a59f1b7b5defa2c699c725ab368c31d69d8989db /src/superio/ite | |
| parent | f29200240e428761827ab8d179fa23068bfa9d59 (diff) | |
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.c | 44 | ||||
| -rw-r--r-- | src/superio/ite/it8718f/it8718f.h | 6 |
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 */ |