From f29200240e428761827ab8d179fa23068bfa9d59 Mon Sep 17 00:00:00 2001 From: Edward O'Callaghan Date: Sun, 27 Apr 2014 00:41:50 +1000 Subject: superio/ite/*: Factor out generic romstage component Following the reasoning of: cf7b498 superio/fintek/*: Factor out generic romstage component Change-Id: I4c0a9a5a7786eb8fcb0c3ed6251c7fe9bbbadae7 Signed-off-by: Edward O'Callaghan Reviewed-on: http://review.coreboot.org/5585 Tested-by: build bot (Jenkins) Reviewed-by: Rudolf Marek --- src/superio/ite/Kconfig | 22 +++++++++ src/superio/ite/Makefile.inc | 3 ++ src/superio/ite/common/early_serial.c | 86 ++++++++++++++++++++++++++++++++++ src/superio/ite/common/ite.h | 36 ++++++++++++++ src/superio/ite/it8671f/Makefile.inc | 2 +- src/superio/ite/it8671f/early_serial.c | 4 +- src/superio/ite/it8671f/it8671f.h | 12 +++-- src/superio/ite/it8712f/Makefile.inc | 2 +- src/superio/ite/it8712f/early_serial.c | 38 +-------------- src/superio/ite/it8712f/it8712f.h | 9 ++-- src/superio/ite/it8716f/Makefile.inc | 1 - src/superio/ite/it8716f/early_serial.c | 79 ------------------------------- src/superio/ite/it8716f/it8716f.h | 7 --- src/superio/ite/it8718f/Makefile.inc | 2 +- src/superio/ite/it8718f/early_serial.c | 35 -------------- src/superio/ite/it8718f/it8718f.h | 8 ++-- src/superio/ite/it8721f/Makefile.inc | 1 - src/superio/ite/it8721f/early_serial.c | 85 --------------------------------- src/superio/ite/it8721f/it8721f.h | 6 --- src/superio/ite/it8728f/Makefile.inc | 1 - src/superio/ite/it8728f/early_serial.c | 74 ----------------------------- src/superio/ite/it8728f/it8728f.h | 12 ----- 22 files changed, 171 insertions(+), 354 deletions(-) create mode 100644 src/superio/ite/common/early_serial.c create mode 100644 src/superio/ite/common/ite.h delete mode 100644 src/superio/ite/it8716f/early_serial.c delete mode 100644 src/superio/ite/it8721f/early_serial.c delete mode 100644 src/superio/ite/it8728f/early_serial.c (limited to 'src/superio') diff --git a/src/superio/ite/Kconfig b/src/superio/ite/Kconfig index 4c0f927022..8a5378df3a 100644 --- a/src/superio/ite/Kconfig +++ b/src/superio/ite/Kconfig @@ -2,6 +2,7 @@ ## This file is part of the coreboot project. ## ## Copyright (C) 2009 Ronald G. Minnich +## Copyright (C) 2014 Edward O'Callaghan ## ## 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 @@ -17,24 +18,45 @@ ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ## +# Generic ITE romstage driver - Just enough UART initialisation code for +# romstage. +config SUPERIO_ITE_COMMON_ROMSTAGE + bool config SUPERIO_ITE_IT8661F bool + select SUPERIO_ITE_COMMON_ROMSTAGE + config SUPERIO_ITE_IT8671F bool + select SUPERIO_ITE_COMMON_ROMSTAGE + config SUPERIO_ITE_IT8712F bool + select SUPERIO_ITE_COMMON_ROMSTAGE + config SUPERIO_ITE_IT8716F bool + select SUPERIO_ITE_COMMON_ROMSTAGE + config SUPERIO_ITE_IT8716F_OVERRIDE_FANCTL bool depends on SUPERIO_ITE_IT8716F default n + select SUPERIO_ITE_COMMON_ROMSTAGE + config SUPERIO_ITE_IT8718F bool + select SUPERIO_ITE_COMMON_ROMSTAGE + config SUPERIO_ITE_IT8721F bool + select SUPERIO_ITE_COMMON_ROMSTAGE + config SUPERIO_ITE_IT8728F bool + select SUPERIO_ITE_COMMON_ROMSTAGE + config SUPERIO_ITE_IT8772F bool + select SUPERIO_ITE_COMMON_ROMSTAGE diff --git a/src/superio/ite/Makefile.inc b/src/superio/ite/Makefile.inc index 2b715211d9..7e1c81b707 100644 --- a/src/superio/ite/Makefile.inc +++ b/src/superio/ite/Makefile.inc @@ -17,6 +17,9 @@ ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ## +## include generic ite pre-ram stage driver +romstage-$(CONFIG_SUPERIO_ITE_COMMON_ROMSTAGE) += common/early_serial.c + subdirs-y += it8661f subdirs-y += it8671f subdirs-y += it8712f diff --git a/src/superio/ite/common/early_serial.c b/src/superio/ite/common/early_serial.c new file mode 100644 index 0000000000..35fb59d64a --- /dev/null +++ b/src/superio/ite/common/early_serial.c @@ -0,0 +1,86 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 Damien Zammit + * Copyright (C) 2014 Edward O'Callaghan + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include "ite.h" + +/* Global configuration registers. */ +#define ITE_CONFIG_REG_CC 0x02 /* Configure Control (write-only). */ +#define ITE_CONFIG_REG_LDN 0x07 /* Logical Device Number. */ +#define ITE_CONFIG_REG_CLOCKSEL 0x23 /* Clock Selection. */ +#define ITE_CONFIG_REG_SWSUSP 0x24 /* Software Suspend, Flash I/F. */ + +/* Helper procedure */ +static void ite_sio_write(device_t dev, u8 reg, u8 value) +{ + pnp_set_logical_device(dev); + pnp_write_config(dev, reg, value); +} + +/* Enable configuration */ +static void pnp_enter_conf_state(device_t dev) +{ + u16 port = dev >> 8; + + outb(0x87, port); + outb(0x01, port); + outb(0x55, port); + outb((port == 0x4e) ? 0xaa : 0x55, port); +} + +/* Disable configuration */ +static void pnp_exit_conf_state(device_t dev) +{ + ite_sio_write(dev, ITE_CONFIG_REG_CC, 0x02); +} + +void ite_reg_write(device_t dev, u8 reg, u8 value) +{ + pnp_enter_conf_state(dev); + ite_sio_write(dev, reg, value); + pnp_exit_conf_state(dev); +} + + +/* + * in romstage.c + * #define CLKIN_DEV PNP_DEV(0x2e, ITE_GPIO) + * and pass: CLKIN_DEV + * ITE_UART_CLK_PREDIVIDE_24 + * ITE_UART_CLK_PREDIVIDE_48 (default) + */ +void ite_conf_clkin(device_t dev, u8 predivide) +{ + ite_reg_write(dev, ITE_CONFIG_REG_CLOCKSEL, (0x1 & predivide)); +} + +/* Bring up early serial debugging output before the RAM is initialized. */ +void ite_enable_serial(device_t dev, u16 iobase) +{ + pnp_enter_conf_state(dev); + pnp_set_logical_device(dev); + pnp_set_enable(dev, 0); + pnp_set_iobase(dev, PNP_IDX_IO0, iobase); + pnp_set_enable(dev, 1); + pnp_exit_conf_state(dev); +} diff --git a/src/superio/ite/common/ite.h b/src/superio/ite/common/ite.h new file mode 100644 index 0000000000..f21381de6f --- /dev/null +++ b/src/superio/ite/common/ite.h @@ -0,0 +1,36 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Edward O'Callaghan + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef SUPERIO_ITE_COMMON_ROMSTAGE_H +#define SUPERIO_ITE_COMMON_ROMSTAGE_H + +#include +#include + +#define ITE_UART_CLK_PREDIVIDE_48 0x00 /* default */ +#define ITE_UART_CLK_PREDIVIDE_24 0x01 + +void ite_conf_clkin(device_t dev, u8 predivide); +void ite_enable_serial(device_t dev, u16 iobase); + +/* Some boards need to init wdt+gpio's very early */ +void ite_reg_write(device_t dev, u8 reg, u8 value); + +#endif /* SUPERIO_ITE_COMMON_ROMSTAGE_H */ diff --git a/src/superio/ite/it8671f/Makefile.inc b/src/superio/ite/it8671f/Makefile.inc index bb370ae179..a9a40085be 100644 --- a/src/superio/ite/it8671f/Makefile.inc +++ b/src/superio/ite/it8671f/Makefile.inc @@ -18,5 +18,5 @@ ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ## +romstage-$(CONFIG_SUPERIO_ITE_IT8671F) += early_serial.c ramstage-$(CONFIG_SUPERIO_ITE_IT8671F) += superio.c - diff --git a/src/superio/ite/it8671f/early_serial.c b/src/superio/ite/it8671f/early_serial.c index c2ba6e02a1..9f35b8ad8e 100644 --- a/src/superio/ite/it8671f/early_serial.c +++ b/src/superio/ite/it8671f/early_serial.c @@ -19,6 +19,8 @@ */ #include +#include +#include #include "it8671f.h" /* The base address is 0x3f0, 0x3bd, or 0x370, depending on config bytes. */ @@ -87,7 +89,7 @@ void it8671f_48mhz_clkin(void) } /* Enable the serial port(s). */ -static void it8671f_enable_serial(device_t dev, u16 iobase) +void it8671f_enable_serial(device_t dev, u16 iobase) { it8671f_enter_conf(); diff --git a/src/superio/ite/it8671f/it8671f.h b/src/superio/ite/it8671f/it8671f.h index 52669f4ba5..c3865ff74e 100644 --- a/src/superio/ite/it8671f/it8671f.h +++ b/src/superio/ite/it8671f/it8671f.h @@ -18,8 +18,11 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef SUPERIO_ITE_IT8671F_IT8671F_H -#define SUPERIO_ITE_IT8671F_IT8671F_H +#ifndef SUPERIO_ITE_IT8671F_H +#define SUPERIO_ITE_IT8671F_H + +#include +#include /* Datasheet: Not available online, got it from ITE per request. */ @@ -30,4 +33,7 @@ #define IT8671F_KBCK 0x05 /* PS/2 keyboard */ #define IT8671F_KBCM 0x06 /* PS/2 mouse */ -#endif +void it8671f_48mhz_clkin(void); +void it8671f_enable_serial(device_t dev, u16 iobase); + +#endif /* SUPERIO_ITE_IT8671F__H */ diff --git a/src/superio/ite/it8712f/Makefile.inc b/src/superio/ite/it8712f/Makefile.inc index 3c8a5125e9..ce756453b5 100644 --- a/src/superio/ite/it8712f/Makefile.inc +++ b/src/superio/ite/it8712f/Makefile.inc @@ -18,5 +18,5 @@ ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ## +romstage-$(CONFIG_SUPERIO_ITE_IT8712F) += early_serial.c ramstage-$(CONFIG_SUPERIO_ITE_IT8712F) += superio.c - diff --git a/src/superio/ite/it8712f/early_serial.c b/src/superio/ite/it8712f/early_serial.c index 51564fce04..d678f3faba 100644 --- a/src/superio/ite/it8712f/early_serial.c +++ b/src/superio/ite/it8712f/early_serial.c @@ -19,6 +19,8 @@ */ #include +#include +#include #include "it8712f.h" /* The base address is 0x2e or 0x4e, depending on config bytes. */ @@ -30,7 +32,6 @@ #define IT8712F_CONFIG_REG_CC 0x02 /* Configure Control (write-only). */ #define IT8712F_CONFIG_REG_LDN 0x07 /* Logical Device Number. */ #define IT8712F_CONFIG_REG_CONFIGSEL 0x22 /* Configuration Select. */ -#define IT8712F_CONFIG_REG_CLOCKSEL 0x23 /* Clock Selection. */ #define IT8712F_CONFIG_REG_SWSUSP 0x24 /* Software Suspend, Flash I/F. */ #define IT8712F_CONFIG_REG_MFC 0x2a /* Multi-function control */ #define IT8712F_CONFIG_REG_WATCHDOG 0x72 /* Watchdog control. */ @@ -58,14 +59,6 @@ static void it8712f_exit_conf(void) it8712f_sio_write(0x00, IT8712F_CONFIG_REG_CC, 0x02); } -/* Select 24MHz CLKIN (48MHz is the default). */ -void it8712f_24mhz_clkin(void) -{ - it8712f_enter_conf(); - it8712f_sio_write(0x00, IT8712F_CONFIG_REG_CLOCKSEL, 0x1); - it8712f_exit_conf(); -} - /* * We need to set enable 3VSBSW#, this was documented only in IT8712F_V0.9.2! * @@ -88,30 +81,3 @@ void it8712f_kill_watchdog(void) it8712f_sio_write(IT8712F_GPIO, IT8712F_CONFIG_REG_WATCHDOG, 0x00); it8712f_exit_conf(); } - -/* Enable the serial port(s). */ -void it8712f_enable_serial(device_t dev, u16 iobase) -{ - /* (1) Enter the configuration state (MB PnP mode). */ - it8712f_enter_conf(); - - /* (2) Modify the data of configuration registers. */ - - /* - * Select the chip to configure (if there's more than one). - * Set bit 7 to select JP3=1, clear bit 7 to select JP3=0. - * If this register is not written, both chips are configured. - */ - - /* it8712f_sio_write(0x00, IT8712F_CONFIG_REG_CONFIGSEL, 0x00); */ - - /* Enable serial port(s). */ - it8712f_sio_write(IT8712F_SP1, 0x30, 0x1); /* Serial port 1 */ - it8712f_sio_write(IT8712F_SP2, 0x30, 0x1); /* Serial port 2 */ - - /* Clear software suspend mode (clear bit 0). TODO: Needed? */ - /* it8712f_sio_write(0x00, IT8712F_CONFIG_REG_SWSUSP, 0x00); */ - - /* (3) Exit the configuration state (MB PnP mode). */ - it8712f_exit_conf(); -} diff --git a/src/superio/ite/it8712f/it8712f.h b/src/superio/ite/it8712f/it8712f.h index 5ec6188eae..b40e473c10 100644 --- a/src/superio/ite/it8712f/it8712f.h +++ b/src/superio/ite/it8712f/it8712f.h @@ -18,8 +18,8 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef SUPERIO_ITE_IT8712F_IT8712F_H -#define SUPERIO_ITE_IT8712F_IT8712F_H +#ifndef SUPERIO_ITE_IT8712F_H +#define SUPERIO_ITE_IT8712F_H /* Datasheet: http://www.ite.com.tw/product_info/PC/Brief-IT8712_2.asp */ @@ -36,7 +36,6 @@ #define IT8712F_IR 0x0a /* Consumer IR */ void it8712f_kill_watchdog(void); -void it8712f_enable_serial(device_t dev, u16 iobase); -void it8712f_24mhz_clkin(void); void it8712f_enable_3vsbsw(void); -#endif + +#endif /* SUPERIO_ITE_IT8712F_H */ diff --git a/src/superio/ite/it8716f/Makefile.inc b/src/superio/ite/it8716f/Makefile.inc index 6b3c0cec79..a11c2ab6ef 100644 --- a/src/superio/ite/it8716f/Makefile.inc +++ b/src/superio/ite/it8716f/Makefile.inc @@ -18,5 +18,4 @@ ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ## -romstage-$(CONFIG_SUPERIO_ITE_IT8716F) += early_serial.c ramstage-$(CONFIG_SUPERIO_ITE_IT8716F) += superio.c diff --git a/src/superio/ite/it8716f/early_serial.c b/src/superio/ite/it8716f/early_serial.c deleted file mode 100644 index 2085a8fee2..0000000000 --- a/src/superio/ite/it8716f/early_serial.c +++ /dev/null @@ -1,79 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2006 Uwe Hermann - * Copyright (C) 2007 AMD Written by Yinghai Lu for AMD. - * Copyright (C) 2014 Edward O'Callaghan - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include -#include -#include "it8716f.h" - -/* Global configuration registers. */ -#define IT8716F_CONFIG_REG_CC 0x02 /* Configure Control (write-only). */ -#define IT8716F_CONFIG_REG_LDN 0x07 /* Logical Device Number. */ -#define IT8716F_CONFIG_REG_CONFIGSEL 0x22 /* Configuration Select. */ -#define IT8716F_CONFIG_REG_CLOCKSEL 0x23 /* Clock Selection. */ -#define IT8716F_CONFIG_REG_SWSUSP 0x24 /* Software Suspend, Flash I/F. */ - -static void it8716f_enter_conf(device_t dev) -{ - u16 port = dev >> 8; - - outb(0x87, port); - outb(0x01, port); - outb(0x55, port); - outb((port == 0x4e) ? 0xaa : 0x55, port); -} - -static void it8716f_exit_conf(device_t dev) -{ - pnp_write_config(dev, IT8716F_CONFIG_REG_CC, 0x02); -} - -static void it8716f_reg_write(device_t dev, u8 index, u8 value) -{ - it8716f_enter_conf(dev); - pnp_write_config(dev, index, value); - it8716f_exit_conf(dev); -} - - -/* - * in romstage.c - * #define CLKIN_DEV PNP_DEV(0x2e, IT8716F_GPIO) - * and pass: CLKIN_DEV - * IT8716F_UART_CLK_PREDIVIDE_24 - * IT8716F_UART_CLK_PREDIVIDE_48 (default) - */ -void it8716f_conf_clkin(device_t dev, u8 predivide) -{ - it8716f_reg_write(dev, IT8716F_CONFIG_REG_CLOCKSEL, (0x1 & predivide)); -} - - -/* Enable the serial port(s). */ -void it8716f_enable_serial(device_t dev, u16 iobase) -{ - it8716f_enter_conf(dev); - pnp_set_logical_device(dev); - pnp_set_enable(dev, 0); - pnp_set_iobase(dev, PNP_IDX_IO0, iobase); - pnp_set_enable(dev, 1); - it8716f_exit_conf(dev); -} diff --git a/src/superio/ite/it8716f/it8716f.h b/src/superio/ite/it8716f/it8716f.h index 37b8b654f9..bbf57081e7 100644 --- a/src/superio/ite/it8716f/it8716f.h +++ b/src/superio/ite/it8716f/it8716f.h @@ -21,7 +21,6 @@ #ifndef SUPERIO_ITE_IT8716F_H #define SUPERIO_ITE_IT8716F_H -#include #include /* Datasheet: http://www.ite.com.tw/product_info/PC/Brief-IT8716_2.asp */ @@ -39,12 +38,6 @@ #define IT8716F_GAME 0x09 /* GAME port */ #define IT8716F_IR 0x0a /* Consumer IR */ -#define IT8716F_UART_CLK_PREDIVIDE_48 0x00 /* default */ -#define IT8716F_UART_CLK_PREDIVIDE_24 0x01 - -void it8716f_conf_clkin(device_t dev, u8 predivide); -void it8716f_enable_serial(device_t dev, u16 iobase); - #if CONFIG_SUPERIO_ITE_IT8716F_OVERRIDE_FANCTL /* Provided by mainboard, called by IT8716F superio.c. */ void init_ec(u16 base); diff --git a/src/superio/ite/it8718f/Makefile.inc b/src/superio/ite/it8718f/Makefile.inc index c433e3c572..14e28223a1 100644 --- a/src/superio/ite/it8718f/Makefile.inc +++ b/src/superio/ite/it8718f/Makefile.inc @@ -18,5 +18,5 @@ ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ## +romstage-$(CONFIG_SUPERIO_ITE_IT8718F) += early_serial.c ramstage-$(CONFIG_SUPERIO_ITE_IT8718F) += superio.c - diff --git a/src/superio/ite/it8718f/early_serial.c b/src/superio/ite/it8718f/early_serial.c index 308b67cd40..deef84043f 100644 --- a/src/superio/ite/it8718f/early_serial.c +++ b/src/superio/ite/it8718f/early_serial.c @@ -30,7 +30,6 @@ #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_CLOCKSEL 0x23 /* Clock Selection. */ #define IT8718F_CONFIG_REG_SWSUSP 0x24 /* Software Suspend, Flash I/F. */ static void it8718f_sio_write(u8 ldn, u8 index, u8 value) @@ -56,13 +55,6 @@ static void it8718f_exit_conf(void) it8718f_sio_write(0x00, IT8718F_CONFIG_REG_CC, 0x02); } -/* Select 24MHz CLKIN (48MHz default). */ -void it8718f_24mhz_clkin(void) -{ - it8718f_enter_conf(); - it8718f_sio_write(0x00, IT8718F_CONFIG_REG_CLOCKSEL, 0x1); - it8718f_exit_conf(); -} /* * GIGABYTE uses a special Super I/O register to protect its Dual BIOS @@ -75,30 +67,3 @@ void it8718f_disable_reboot(void) it8718f_sio_write(IT8718F_GPIO, 0xEF, 0x7E); it8718f_exit_conf(); } - -/* Enable the serial port(s). */ -void it8718f_enable_serial(device_t dev, u16 iobase) -{ - /* (1) Enter the configuration state (MB PnP mode). */ - it8718f_enter_conf(); - - /* (2) Modify the data of configuration registers. */ - - /* - * Select the chip to configure (if there's more than one). - * Set bit 7 to select JP3=1, clear bit 7 to select JP3=0. - * If this register is not written, both chips are configured. - */ - - /* it8718f_sio_write(0x00, IT8718F_CONFIG_REG_CONFIGSEL, 0x00); */ - - /* Enable serial port(s). */ - it8718f_sio_write(IT8718F_SP1, 0x30, 0x1); /* Serial port 1 */ - it8718f_sio_write(IT8718F_SP2, 0x30, 0x1); /* Serial port 2 */ - - /* Clear software suspend mode (clear bit 0). TODO: Needed? */ - /* it8718f_sio_write(0x00, IT8718F_CONFIG_REG_SWSUSP, 0x00); */ - - /* (3) Exit the configuration state (MB PnP mode). */ - it8718f_exit_conf(); -} diff --git a/src/superio/ite/it8718f/it8718f.h b/src/superio/ite/it8718f/it8718f.h index 527d1c2409..018f08a642 100644 --- a/src/superio/ite/it8718f/it8718f.h +++ b/src/superio/ite/it8718f/it8718f.h @@ -18,8 +18,8 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef SUPERIO_ITE_IT8718F_IT8718F_H -#define SUPERIO_ITE_IT8718F_IT8718F_H +#ifndef SUPERIO_ITE_IT8718F_H +#define SUPERIO_ITE_IT8718F_H /* Datasheet: http://www.ite.com.tw/product_info/PC/Brief-IT8718_2.asp */ @@ -34,9 +34,7 @@ #define IT8718F_IR 0x0a /* Consumer IR */ #if defined(__PRE_RAM__) -void it8718f_24mhz_clkin(void); void it8718f_disable_reboot(void); -void it8718f_enable_serial(device_t dev, u16 iobase); #endif -#endif +#endif /* SUPERIO_ITE_IT8718F_H */ diff --git a/src/superio/ite/it8721f/Makefile.inc b/src/superio/ite/it8721f/Makefile.inc index ef616f4460..4b1aa96b63 100644 --- a/src/superio/ite/it8721f/Makefile.inc +++ b/src/superio/ite/it8721f/Makefile.inc @@ -18,5 +18,4 @@ ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ## -romstage-$(CONFIG_SUPERIO_ITE_IT8721F) += early_serial.c ramstage-$(CONFIG_SUPERIO_ITE_IT8721F) += superio.c diff --git a/src/superio/ite/it8721f/early_serial.c b/src/superio/ite/it8721f/early_serial.c deleted file mode 100644 index df662223dc..0000000000 --- a/src/superio/ite/it8721f/early_serial.c +++ /dev/null @@ -1,85 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2006 Uwe Hermann - * Copyright (C) 2011 QingPei Wang - * Copyright (C) 2014 Edward O'Callaghan - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include -#include -#include -#include "it8721f.h" - -/* Global configuration registers. */ -#define IT8721F_CONFIG_REG_CC 0x02 /* Configure Control (write-only). */ -#define IT8721F_CONFIG_REG_LDN 0x07 /* Logical Device Number. */ -#define IT8721F_CONFIG_REG_CLOCKSEL 0x23 /* Clock Selection. */ -#define IT8721F_CONFIG_REG_SWSUSP 0x24 /* Software Suspend, Flash I/F. */ - -static void it8721f_sio_write(device_t dev, u8 index, u8 value) -{ - pnp_set_logical_device(dev); - pnp_write_config(dev, index, value); -} - -static void it8721f_enter_conf(device_t dev) -{ - u16 port = dev >> 8; - - outb(0x87, port); - outb(0x01, port); - outb(0x55, port); - outb((port == 0x4e) ? 0xaa : 0x55, port); -} - -static void it8721f_exit_conf(device_t dev) -{ - it8721f_sio_write(dev, IT8721F_CONFIG_REG_CC, 0x02); -} - -static void it8721f_reg_write(device_t dev, u8 index, u8 value) -{ - it8721f_enter_conf(dev); - it8721f_sio_write(dev, index, value); - it8721f_exit_conf(dev); -} - - -/* - * in romstage.c - * #define CLKIN_DEV PNP_DEV(0x2e, IT8721F_GPIO) - * and pass: CLKIN_DEV - * IT8721F_UART_CLK_PREDIVIDE_24 - * IT8721F_UART_CLK_PREDIVIDE_48 (default) - */ -void it8721f_conf_clkin(device_t dev, u8 predivide) -{ - it8721f_reg_write(dev, IT8721F_CONFIG_REG_CLOCKSEL, (0x1 & predivide)); -} - - -/* Enable the serial port(s). */ -void it8721f_enable_serial(device_t dev, u16 iobase) -{ - it8721f_enter_conf(dev); - pnp_set_logical_device(dev); - pnp_set_enable(dev, 0); - pnp_set_iobase(dev, PNP_IDX_IO0, iobase); - pnp_set_enable(dev, 1); - it8721f_exit_conf(dev); -} diff --git a/src/superio/ite/it8721f/it8721f.h b/src/superio/ite/it8721f/it8721f.h index 9d5a528295..ce794cfdce 100644 --- a/src/superio/ite/it8721f/it8721f.h +++ b/src/superio/ite/it8721f/it8721f.h @@ -36,10 +36,4 @@ #define IT8721F_GPIO 0x07 /* GPIO */ #define IT8721F_IR 0x0a /* Consumer IR */ -#define IT8721F_UART_CLK_PREDIVIDE_48 0x00 /* default */ -#define IT8721F_UART_CLK_PREDIVIDE_24 0x01 - -void it8721f_conf_clkin(device_t dev, u8 predivide); -void it8721f_enable_serial(device_t dev, u16 iobase); - #endif /* SUPERIO_ITE_IT8721F_H */ diff --git a/src/superio/ite/it8728f/Makefile.inc b/src/superio/ite/it8728f/Makefile.inc index a146db8053..00cceebee9 100644 --- a/src/superio/ite/it8728f/Makefile.inc +++ b/src/superio/ite/it8728f/Makefile.inc @@ -18,6 +18,5 @@ ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ## -romstage-$(CONFIG_SUPERIO_ITE_IT8728F) += early_serial.c ramstage-$(CONFIG_SUPERIO_ITE_IT8728F) += it8728f_hwm.c ramstage-$(CONFIG_SUPERIO_ITE_IT8728F) += superio.c diff --git a/src/superio/ite/it8728f/early_serial.c b/src/superio/ite/it8728f/early_serial.c deleted file mode 100644 index c2632eff34..0000000000 --- a/src/superio/ite/it8728f/early_serial.c +++ /dev/null @@ -1,74 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2006 Uwe Hermann - * Copyright (C) 2013 Damien Zammit - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include -#include -#include "it8728f.h" - -/* Superio raw commands */ -static void it8728f_sio_write(device_t dev, u8 index, u8 value) -{ - pnp_set_logical_device(dev); - pnp_write_config(dev, index, value); -} - -static void it8728f_enter_conf(device_t dev) -{ - u16 port = dev >> 8; - - outb(0x87, port); - outb(0x01, port); - outb(0x55, port); - outb((port == 0x4e) ? 0xaa : 0x55, port); -} - -static void it8728f_exit_conf(device_t dev) -{ - it8728f_sio_write(dev, IT8728F_CONFIG_REG_CC, 0x02); -} - -/* Superio low level commands */ -void it8728f_reg_write(device_t dev, u8 index, u8 value) -{ - it8728f_enter_conf(dev); - it8728f_sio_write(dev, index, value); - it8728f_exit_conf(dev); -} - -void it8728f_24mhz_clkin(device_t dev) -{ - it8728f_reg_write(dev, IT8728F_CONFIG_REG_CLOCKSEL, 0x1); -} - -void it8728f_enable_serial(device_t dev, u16 iobase) -{ - /* (1) Enter the configuration state (MB PnP mode). */ - it8728f_enter_conf(dev); - - /* (2) Modify the data of configuration registers. */ - pnp_set_logical_device(dev); - pnp_set_enable(dev, 0); - pnp_set_iobase(dev, PNP_IDX_IO0, iobase); - pnp_set_enable(dev, 1); - - /* (3) Exit the configuration state (MB PnP mode). */ - it8728f_exit_conf(dev); -} diff --git a/src/superio/ite/it8728f/it8728f.h b/src/superio/ite/it8728f/it8728f.h index 55bdf697bc..8a7e8b2e71 100644 --- a/src/superio/ite/it8728f/it8728f.h +++ b/src/superio/ite/it8728f/it8728f.h @@ -39,16 +39,4 @@ #define IT8728F_CONFIG_REG_CLOCKSEL 0x23 /* Clock Selection. */ #define IT8728F_CONFIG_REG_SWSUSP 0x24 /* Software Suspend, Flash I/F. 'Special register' */ -/* - * Superio low level commands - * Pass dev = PNP_DEV(superiobase, LDN) - */ -void it8728f_reg_write(device_t dev, u8 index, u8 value); - -/* Select 24MHz CLKIN (48MHz default). */ -void it8728f_24mhz_clkin(device_t dev); - -/* Enable the serial port(s). */ -void it8728f_enable_serial(device_t dev, u16 iobase); - #endif /* SUPERIO_ITE_IT8728F_H */ -- cgit v1.2.3