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 <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/5585
Tested-by: build bot (Jenkins)
Reviewed-by: Rudolf Marek <r.marek@assembler.cz>

3 files changed, 0 insertions, 92 deletions

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 <uwe@hermann-uwe.de>
- * Copyright (C) 2011 QingPei Wang <wangqingpei@gmail.com>
- * 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
- * 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 <arch/io.h>
-#include <device/pnp.h>
-#include <stdint.h>
-#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 */