[coreboot-gerrit] Patch set updated for coreboot: a9feae5 superio/fintek/*: Factor out generic romstage component

Edward O'Callaghan (eocallaghan@alterapraxis.com) gerrit at coreboot.org
Sat Apr 26 13:55:16 CEST 2014


Edward O'Callaghan (eocallaghan at alterapraxis.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5575

-gerrit

commit a9feae5d8f4856f6dd736e9ca96a61fe75e7dba7
Author: Edward O'Callaghan <eocallaghan at alterapraxis.com>
Date:   Wed Apr 23 21:52:25 2014 +1000

    superio/fintek/*: Factor out generic romstage component
    
    The romstage of Fintek Super I/O's is identical, leading to replication
    of essentially the same code prone to bitrot. Herein we consolidate the
    early pre-ram UART initialisation code into fintek/common, rather we
    leave the exceptions to be implemented under model/.
    
    More precisely we provide a well documented version of early_serial.c
    under fintek/common and select by way of Kconfig as a generic romstage
    component to Super I/O support. We leave future Super I/O's the option
    to implement `non-standard` initialisation code should such a (unlikely)
    need araise. A primary advantage is that new support for romstage serial
    is now trival to add. We also provide some Kconfig documentation while
    here.
    
    Change-Id: I3c62561558a62ece944a167ba302fb7076bba001
    Signed-off-by: Edward O'Callaghan <eocallaghan at alterapraxis.com>
---
 src/mainboard/amd/persimmon/romstage.c         |  3 +-
 src/mainboard/amd/south_station/romstage.c     |  3 +-
 src/mainboard/iei/kino-780am2-fam10/romstage.c |  3 +-
 src/mainboard/jetway/j7f2/romstage.c           |  3 +-
 src/mainboard/jetway/nf81-t56n-lf/romstage.c   |  5 +-
 src/mainboard/jetway/pa78vm5/romstage.c        |  3 +-
 src/mainboard/via/epia-m850/romstage.c         |  5 +-
 src/superio/fintek/Kconfig                     | 47 ++++++++++++++---
 src/superio/fintek/Makefile.inc                |  3 ++
 src/superio/fintek/common/early_serial.c       | 72 ++++++++++++++++++++++++++
 src/superio/fintek/common/fintek.h             | 29 +++++++++++
 src/superio/fintek/f71805f/Makefile.inc        |  1 -
 src/superio/fintek/f71805f/early_serial.c      | 48 -----------------
 src/superio/fintek/f71805f/f71805f.h           |  2 -
 src/superio/fintek/f71859/Makefile.inc         |  1 -
 src/superio/fintek/f71859/early_serial.c       | 48 -----------------
 src/superio/fintek/f71859/f71859.h             |  2 -
 src/superio/fintek/f71863fg/Makefile.inc       |  1 -
 src/superio/fintek/f71863fg/early_serial.c     | 48 -----------------
 src/superio/fintek/f71863fg/f71863fg.h         |  2 -
 src/superio/fintek/f71869ad/Makefile.inc       |  1 -
 src/superio/fintek/f71869ad/early_serial.c     | 68 ------------------------
 src/superio/fintek/f71869ad/f71869ad.h         |  2 -
 src/superio/fintek/f71872/Makefile.inc         |  1 -
 src/superio/fintek/f71872/early_serial.c       | 48 -----------------
 src/superio/fintek/f71872/f71872.h             |  2 -
 src/superio/fintek/f71889/Makefile.inc         |  1 -
 src/superio/fintek/f71889/early_serial.c       | 46 ----------------
 src/superio/fintek/f71889/f71889.h             |  2 -
 src/superio/fintek/f81865f/Makefile.inc        |  1 -
 src/superio/fintek/f81865f/early_serial.c      | 48 -----------------
 src/superio/fintek/f81865f/f81865f.h           |  2 -
 32 files changed, 160 insertions(+), 391 deletions(-)

diff --git a/src/mainboard/amd/persimmon/romstage.c b/src/mainboard/amd/persimmon/romstage.c
index e082f60..81804a9 100644
--- a/src/mainboard/amd/persimmon/romstage.c
+++ b/src/mainboard/amd/persimmon/romstage.c
@@ -31,6 +31,7 @@
 #include <cpu/x86/mtrr.h>
 #include "agesawrapper.h"
 #include "cpu/x86/bist.h"
+#include <superio/fintek/common/fintek.h>
 #include <superio/fintek/f81865f/f81865f.h>
 #include "cpu/x86/lapic.h"
 #include "drivers/pc80/i8254.c"
@@ -70,7 +71,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 		sb_Poweron_Init();
 
 		post_code(0x31);
-		f81865f_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+		fintek_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 		console_init();
 	}
 
diff --git a/src/mainboard/amd/south_station/romstage.c b/src/mainboard/amd/south_station/romstage.c
index 5614f88..5e70ecc 100644
--- a/src/mainboard/amd/south_station/romstage.c
+++ b/src/mainboard/amd/south_station/romstage.c
@@ -32,6 +32,7 @@
 #include <cpu/x86/mtrr.h>
 #include "agesawrapper.h"
 #include "cpu/x86/bist.h"
+#include <superio/fintek/common/fintek.h>
 #include <superio/fintek/f81865f/f81865f.h>
 #include "cpu/x86/lapic.h"
 #include <sb_cimx.h>
@@ -58,7 +59,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 		sb_Poweron_Init();
 
 		post_code(0x31);
-		f81865f_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+		fintek_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 		console_init();
 	}
 
diff --git a/src/mainboard/iei/kino-780am2-fam10/romstage.c b/src/mainboard/iei/kino-780am2-fam10/romstage.c
index 299ba61..612ff1a 100644
--- a/src/mainboard/iei/kino-780am2-fam10/romstage.c
+++ b/src/mainboard/iei/kino-780am2-fam10/romstage.c
@@ -41,6 +41,7 @@
 #include "northbridge/amd/amdfam10/reset_test.c"
 #include <console/loglevel.h>
 #include "cpu/x86/bist.h"
+#include <superio/fintek/common/fintek.h>
 #include <superio/fintek/f71859/f71859.h>
 #include <cpu/amd/mtrr.h>
 #include "northbridge/amd/amdfam10/setup_resource_map.c"
@@ -97,7 +98,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	enable_rs780_dev8();
 	sb7xx_51xx_lpc_init();
 
-	f71859_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+	fintek_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 
 	console_init();
 
diff --git a/src/mainboard/jetway/j7f2/romstage.c b/src/mainboard/jetway/j7f2/romstage.c
index 37c3ab4..8455610 100644
--- a/src/mainboard/jetway/j7f2/romstage.c
+++ b/src/mainboard/jetway/j7f2/romstage.c
@@ -31,6 +31,7 @@
 #include "drivers/pc80/udelay_io.c"
 #include "lib/delay.c"
 #include "southbridge/via/vt8237r/early_smbus.c"
+#include <superio/fintek/common/fintek.h>
 #include <superio/fintek/f71805f/f71805f.h>
 #include <lib.h>
 #include <spd.h>
@@ -90,7 +91,7 @@ void main(unsigned long bist)
 	/* Enable multifunction for northbridge. */
 	pci_write_config8(ctrl.d0f0, 0x4f, 0x01);
 
-	f71805f_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+	fintek_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 	console_init();
 
 	enable_smbus();
diff --git a/src/mainboard/jetway/nf81-t56n-lf/romstage.c b/src/mainboard/jetway/nf81-t56n-lf/romstage.c
index 3406edf..3e962d3 100644
--- a/src/mainboard/jetway/nf81-t56n-lf/romstage.c
+++ b/src/mainboard/jetway/nf81-t56n-lf/romstage.c
@@ -40,7 +40,8 @@
 #include <cpu/amd/mtrr.h>
 #include <sb_cimx.h>
 #include <southbridge/amd/cimx/sb800/SBPLATFORM.h>
-#include "superio/fintek/f71869ad/f71869ad.h"
+#include <superio/fintek/common/fintek.h>
+#include <superio/fintek/f71869ad/f71869ad.h>
 
 /* FIXME: should not include .c files */
 #include "drivers/pc80/i8254.c"
@@ -75,7 +76,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 		sb_Poweron_Init();
 
 		post_code(0x31);
-		f71869ad_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+		fintek_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 		console_init();
 	}
 
diff --git a/src/mainboard/jetway/pa78vm5/romstage.c b/src/mainboard/jetway/pa78vm5/romstage.c
index c082a67..044d0d8 100644
--- a/src/mainboard/jetway/pa78vm5/romstage.c
+++ b/src/mainboard/jetway/pa78vm5/romstage.c
@@ -42,6 +42,7 @@
 #include "northbridge/amd/amdfam10/reset_test.c"
 #include <console/loglevel.h>
 #include "cpu/x86/bist.h"
+#include <superio/fintek/common/fintek.h>
 #include <superio/fintek/f71863fg/f71863fg.h>
 #include <cpu/amd/mtrr.h>
 #include "northbridge/amd/amdfam10/setup_resource_map.c"
@@ -102,7 +103,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	enable_rs780_dev8();
 	sb7xx_51xx_lpc_init();
 
-	f71863fg_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+	fintek_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 
 	console_init();
 
diff --git a/src/mainboard/via/epia-m850/romstage.c b/src/mainboard/via/epia-m850/romstage.c
index 22f5ed6..9368028 100644
--- a/src/mainboard/via/epia-m850/romstage.c
+++ b/src/mainboard/via/epia-m850/romstage.c
@@ -36,9 +36,10 @@
 
 #include "northbridge/via/vx900/early_vx900.h"
 #include "northbridge/via/vx900/raminit.h"
+#include <superio/fintek/common/fintek.h>
 #include <superio/fintek/f81865f/f81865f.h>
 
-#define SERIAL_DEV PNP_DEV(0x4e, 0x10)
+#define SERIAL_DEV PNP_DEV(0x4e, F81865F_SP1)
 
 /* cache_as_ram.inc jumps to here. */
 void main(unsigned long bist)
@@ -52,7 +53,7 @@ void main(unsigned long bist)
 	vx900_enable_pci_config_space();
 
 	/* Serial console is easy to take care of */
-	f81865f_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+	fintek_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
 	console_init();
 	print_debug("Console initialized. \n");
 
diff --git a/src/superio/fintek/Kconfig b/src/superio/fintek/Kconfig
index 938494a..2d16cae 100644
--- a/src/superio/fintek/Kconfig
+++ b/src/superio/fintek/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 <eocallaghan at 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
@@ -17,17 +18,49 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 ##
 
-config SUPERIO_FINTEK_F71805F
+# Generic Fintek romstage driver - Just enough UART initialisation code for
+# romstage.
+config SUPERIO_FINTEK_COMMON_ROMSTAGE
 	bool
+
+config SUPERIO_FINTEK_F71805F
+	bool "Fintek F7105F"
+	select SUPERIO_FINTEK_COMMON_ROMSTAGE
+	help
+	  Fintek F7105F ramstage driver.
+
 config SUPERIO_FINTEK_F71859
-	bool
+	bool "Fintek F71859"
+	select SUPERIO_FINTEK_COMMON_ROMSTAGE
+	help
+	  Fintek F71859 ramstage driver.
+
 config SUPERIO_FINTEK_F71863FG
-	bool
+	bool "Fintek F71863FG"
+	select SUPERIO_FINTEK_COMMON_ROMSTAGE
+	help
+	  Fintek F71863FG ramstage driver.
+
 config SUPERIO_FINTEK_F71869AD
-	bool
+	bool "Fintek F71869AD"
+	select SUPERIO_FINTEK_COMMON_ROMSTAGE
+	help
+	  Fintek F71869AD ramstage driver.
+
 config SUPERIO_FINTEK_F71872
-	bool
+	bool "Fintek F71872"
+	select SUPERIO_FINTEK_COMMON_ROMSTAGE
+	help
+	  Fintek F71872 ramstage driver.
+
 config SUPERIO_FINTEK_F71889
-	bool
+	bool "Fintek F71889"
+	select SUPERIO_FINTEK_COMMON_ROMSTAGE
+	help
+	  Fintek F71889 ramstage driver.
+
 config SUPERIO_FINTEK_F81865F
-	bool
+	bool "Fintek F81865F"
+	select SUPERIO_FINTEK_COMMON_ROMSTAGE
+	help
+	  Fintek F81865F ramstage driver.
diff --git a/src/superio/fintek/Makefile.inc b/src/superio/fintek/Makefile.inc
index 541a893..1b11336 100644
--- a/src/superio/fintek/Makefile.inc
+++ b/src/superio/fintek/Makefile.inc
@@ -17,6 +17,9 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 ##
 
+## include generic fintek pre-ram stage driver
+romstage-$(CONFIG_SUPERIO_FINTEK_COMMON_ROMSTAGE) += common/early_serial.c
+
 subdirs-y += f71805f
 subdirs-y += f71859
 subdirs-y += f71863fg
diff --git a/src/superio/fintek/common/early_serial.c b/src/superio/fintek/common/early_serial.c
new file mode 100644
index 0000000..d74b786
--- /dev/null
+++ b/src/superio/fintek/common/early_serial.c
@@ -0,0 +1,72 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Edward O'Callaghan <eocallaghan at 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
+ */
+
+/*
+ * A generic romstage (pre-ram) driver for Fintek variant Super I/O chips.
+ *
+ * The following is derived directly from the vendor Fintek's data-sheets:
+ *
+ * To toggle between `configuration mode` and `normal operation mode` as to
+ * manipulation the various LDN's in Fintek Super I/O's we are required to pass
+ * magic numbers `passwords keys`.
+ *
+ *  FINTEK_ENTRY_KEY :=  enable  configuration : 0x87
+ *  FINTEK_EXIT_KEY  :=  disable configuration : 0xAA
+ *
+ * To modify a LDN's configuration register, we use the index port to select
+ * the index of the LDN and then writing to the data port to alter the
+ * parameters. A default index, data port pair is 0x4E, 0x4F respectively, a
+ * user modified pair is 0x2E, 0x2F respectively.
+ *
+ */
+
+#include <arch/io.h>
+#include <device/pnp.h>
+#include <stdint.h>
+#include "fintek.h"
+
+#define FINTEK_ENTRY_KEY 0x87
+#define FINTEK_EXIT_KEY 0xAA
+
+/* Enable configuration: pass entry key '0x87' into index port dev. */
+static void pnp_enter_conf_state(device_t dev)
+{
+	u16 port = dev >> 8;
+	outb(FINTEK_ENTRY_KEY, port);
+	outb(FINTEK_ENTRY_KEY, port);
+}
+
+/* Disable configuration: pass exit key '0xAA' into index port dev. */
+static void pnp_exit_conf_state(device_t dev)
+{
+	u16 port = dev >> 8;
+	outb(FINTEK_EXIT_KEY, port);
+}
+
+/* Bring up early serial debugging output before the RAM is initialized. */
+void fintek_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/fintek/common/fintek.h b/src/superio/fintek/common/fintek.h
new file mode 100644
index 0000000..a08cf92
--- /dev/null
+++ b/src/superio/fintek/common/fintek.h
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Edward O'Callaghan <eocallaghan at 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
+ */
+
+#ifndef SUPERIO_FINTEK_COMMON_ROMSTAGE_H
+#define SUPERIO_FINTEK_COMMON_ROMSTAGE_H
+
+#include <arch/io.h>
+#include <stdint.h>
+
+void fintek_enable_serial(device_t dev, u16 iobase);
+
+#endif /* SUPERIO_FINTEK_COMMON_ROMSTAGE_H */
diff --git a/src/superio/fintek/f71805f/Makefile.inc b/src/superio/fintek/f71805f/Makefile.inc
index 22c01e0..4a13799 100644
--- a/src/superio/fintek/f71805f/Makefile.inc
+++ b/src/superio/fintek/f71805f/Makefile.inc
@@ -18,5 +18,4 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 ##
 
-romstage-$(CONFIG_SUPERIO_FINTEK_F71805F) += early_serial.c
 ramstage-$(CONFIG_SUPERIO_FINTEK_F71805F) += superio.c
diff --git a/src/superio/fintek/f71805f/early_serial.c b/src/superio/fintek/f71805f/early_serial.c
deleted file mode 100644
index b823a43..0000000
--- a/src/superio/fintek/f71805f/early_serial.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007 Corey Osgood <corey at slightlyhackish.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
- */
-
-/* Pre-RAM driver for the Fintek F71805F/FG Super I/O chip. */
-
-#include <arch/io.h>
-#include <device/pnp.h>
-#include "f71805f.h"
-
-static void pnp_enter_conf_state(device_t dev)
-{
-	u16 port = dev >> 8;
-	outb(0x87, port);
-	outb(0x87, port);
-}
-
-static void pnp_exit_conf_state(device_t dev)
-{
-	u16 port = dev >> 8;
-	outb(0xaa, port);
-}
-
-void f71805f_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/fintek/f71805f/f71805f.h b/src/superio/fintek/f71805f/f71805f.h
index 1033ea2..82f3869 100644
--- a/src/superio/fintek/f71805f/f71805f.h
+++ b/src/superio/fintek/f71805f/f71805f.h
@@ -38,6 +38,4 @@
 #define F71805F_GPIO	0x06	/* General Purpose I/O (GPIO) */
 #define F71805F_PME	0x0a	/* Power Management Events (PME) */
 
-void f71805f_enable_serial(device_t dev, u16 iobase);
-
 #endif /* SUPERIO_FINTEK_F71805F_H */
diff --git a/src/superio/fintek/f71859/Makefile.inc b/src/superio/fintek/f71859/Makefile.inc
index 8858811..fa63a1b 100644
--- a/src/superio/fintek/f71859/Makefile.inc
+++ b/src/superio/fintek/f71859/Makefile.inc
@@ -18,5 +18,4 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 ##
 
-romstage-$(CONFIG_SUPERIO_FINTEK_F71859) += early_serial.c
 ramstage-$(CONFIG_SUPERIO_FINTEK_F71859) += superio.c
diff --git a/src/superio/fintek/f71859/early_serial.c b/src/superio/fintek/f71859/early_serial.c
deleted file mode 100644
index cb0d3de..0000000
--- a/src/superio/fintek/f71859/early_serial.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2010 Marc Jones <marcj303 at gmail.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
- */
-
-/* Pre-RAM driver for the Fintek F71859 Super I/O chip. */
-
-#include <arch/io.h>
-#include <device/pnp.h>
-#include "f71859.h"
-
-static void pnp_enter_conf_state(device_t dev)
-{
-	u16 port = dev >> 8;
-	outb(0x87, port);
-	outb(0x87, port);
-}
-
-static void pnp_exit_conf_state(device_t dev)
-{
-	u16 port = dev >> 8;
-	outb(0xaa, port);
-}
-
-void f71859_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/fintek/f71859/f71859.h b/src/superio/fintek/f71859/f71859.h
index ab114a4..f0111bd 100644
--- a/src/superio/fintek/f71859/f71859.h
+++ b/src/superio/fintek/f71859/f71859.h
@@ -24,6 +24,4 @@
 /* Logical Device Numbers (LDN). */
 #define F71859_SP1	0x03	/* UART1 */
 
-void f71859_enable_serial(device_t dev, u16 iobase);
-
 #endif /* SUPERIO_FINTEK_F71859_H */
diff --git a/src/superio/fintek/f71863fg/Makefile.inc b/src/superio/fintek/f71863fg/Makefile.inc
index 85ec530..e48b93a 100644
--- a/src/superio/fintek/f71863fg/Makefile.inc
+++ b/src/superio/fintek/f71863fg/Makefile.inc
@@ -18,5 +18,4 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 ##
 
-romstage-$(CONFIG_SUPERIO_FINTEK_F71863FG) += early_serial.c
 ramstage-$(CONFIG_SUPERIO_FINTEK_F71863FG) += superio.c
diff --git a/src/superio/fintek/f71863fg/early_serial.c b/src/superio/fintek/f71863fg/early_serial.c
deleted file mode 100644
index 251f298..0000000
--- a/src/superio/fintek/f71863fg/early_serial.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007 Corey Osgood <corey at slightlyhackish.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
- */
-
-/* Pre-RAM driver for the Fintek F71863FG Super I/O chip. */
-
-#include <arch/io.h>
-#include <device/pnp.h>
-#include "f71863fg.h"
-
-static void pnp_enter_conf_state(device_t dev)
-{
-	u16 port = dev >> 8;
-	outb(0x87, port);
-	outb(0x87, port);
-}
-
-static void pnp_exit_conf_state(device_t dev)
-{
-	u16 port = dev >> 8;
-	outb(0xaa, port);
-}
-
-void f71863fg_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/fintek/f71863fg/f71863fg.h b/src/superio/fintek/f71863fg/f71863fg.h
index c29ddbe..a11e69f 100644
--- a/src/superio/fintek/f71863fg/f71863fg.h
+++ b/src/superio/fintek/f71863fg/f71863fg.h
@@ -33,6 +33,4 @@
 #define F71863FG_SPI	0x08	/* SPI */
 #define F71863FG_PME	0x0a	/* Power Management Events (PME) and ACPI */
 
-void f71863fg_enable_serial(device_t dev, u16 iobase);
-
 #endif /* SUPERIO_FINTEK_F71863FG_H */
diff --git a/src/superio/fintek/f71869ad/Makefile.inc b/src/superio/fintek/f71869ad/Makefile.inc
index 12efbeb..117239a 100644
--- a/src/superio/fintek/f71869ad/Makefile.inc
+++ b/src/superio/fintek/f71869ad/Makefile.inc
@@ -18,5 +18,4 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 ##
 
-romstage-$(CONFIG_SUPERIO_FINTEK_F71869AD) += early_serial.c
 ramstage-$(CONFIG_SUPERIO_FINTEK_F71869AD) += superio.c
diff --git a/src/superio/fintek/f71869ad/early_serial.c b/src/superio/fintek/f71869ad/early_serial.c
deleted file mode 100644
index 8518400..0000000
--- a/src/superio/fintek/f71869ad/early_serial.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2014 Edward O'Callaghan <eocallaghan at 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
- */
-
-/*
- * Pre-RAM driver for the Fintek F71869AD Super I/O chip.
- *
- * Derived from p.34 in vendor data-sheet:
- *
- * - default index port : 0x4E
- * - default data  port : 0x4F
- *
- * - enable  configuration : 0x87
- * - disable configuration : 0xAA
- *
- */
-
-#include <arch/io.h>
-#include <device/pnp.h>
-#include "f71869ad.h"
-
-/*
- * Enable configuration: pass entry key '0x87' into index port dev.
- */
-static void pnp_enter_conf_state(device_t dev)
-{
-	u16 port = dev >> 8;
-	outb(0x87, port);
-	outb(0x87, port);
-}
-
-/*
- * Disable configuration: pass exit key '0xAA' into index port dev.
- */
-static void pnp_exit_conf_state(device_t dev)
-{
-	u16 port = dev >> 8;
-	outb(0xaa, port);
-}
-
-/*
- * Bring up early serial debugging output before the RAM is initialized.
- */
-void f71869ad_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/fintek/f71869ad/f71869ad.h b/src/superio/fintek/f71869ad/f71869ad.h
index 43a4397..3aeac56 100644
--- a/src/superio/fintek/f71869ad/f71869ad.h
+++ b/src/superio/fintek/f71869ad/f71869ad.h
@@ -32,6 +32,4 @@
 #define F71869AD_BSEL   0x07	/* BSEL */
 #define F71869AD_PME    0x0a	/* Power Management Events (PME) and ACPI */
 
-void f71869ad_enable_serial(device_t dev, u16 iobase);
-
 #endif /* SUPERIO_FINTEK_F71869AD_H */
diff --git a/src/superio/fintek/f71872/Makefile.inc b/src/superio/fintek/f71872/Makefile.inc
index 58ba5d5..ed40eb0 100644
--- a/src/superio/fintek/f71872/Makefile.inc
+++ b/src/superio/fintek/f71872/Makefile.inc
@@ -18,5 +18,4 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 ##
 
-romstage-$(CONFIG_SUPERIO_FINTEK_F71872) += early_serial.c
 ramstage-$(CONFIG_SUPERIO_FINTEK_F71872) += superio.c
diff --git a/src/superio/fintek/f71872/early_serial.c b/src/superio/fintek/f71872/early_serial.c
deleted file mode 100644
index bbfc264..0000000
--- a/src/superio/fintek/f71872/early_serial.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007 Corey Osgood <corey at slightlyhackish.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
- */
-
-/* Pre-RAM driver for the Fintek F71872F/FG Super I/O chip. */
-
-#include <arch/io.h>
-#include <device/pnp.h>
-#include "f71872.h"
-
-static void pnp_enter_conf_state(device_t dev)
-{
-	u16 port = dev >> 8;
-	outb(0x87, port);
-	outb(0x87, port);
-}
-
-static void pnp_exit_conf_state(device_t dev)
-{
-	u16 port = dev >> 8;
-	outb(0xaa, port);
-}
-
-void f71872_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/fintek/f71872/f71872.h b/src/superio/fintek/f71872/f71872.h
index fb80762..629d42d 100644
--- a/src/superio/fintek/f71872/f71872.h
+++ b/src/superio/fintek/f71872/f71872.h
@@ -32,6 +32,4 @@
 #define F71872_VID	0x07	/* VID */
 #define F71872_PM	0x0a	/* ACPI/PME */
 
-void f71872_enable_serial(device_t dev, u16 iobase);
-
 #endif /* SUPERIO_FINTEK_F71872_H */
diff --git a/src/superio/fintek/f71889/Makefile.inc b/src/superio/fintek/f71889/Makefile.inc
index 9864140..5c39860 100644
--- a/src/superio/fintek/f71889/Makefile.inc
+++ b/src/superio/fintek/f71889/Makefile.inc
@@ -18,5 +18,4 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 ##
 
-romstage-$(CONFIG_SUPERIO_FINTEK_F71889) += early_serial.c
 ramstage-$(CONFIG_SUPERIO_FINTEK_F71889) += superio.c
diff --git a/src/superio/fintek/f71889/early_serial.c b/src/superio/fintek/f71889/early_serial.c
deleted file mode 100644
index 5e11474..0000000
--- a/src/superio/fintek/f71889/early_serial.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2010 Alec Ari <neotheuser at ymail.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 "f71889.h"
-
-static void pnp_enter_conf_state(device_t dev)
-{
-	u16 port = dev >> 8;
-	outb(0x87, port);
-	outb(0x87, port);
-}
-
-static void pnp_exit_conf_state(device_t dev)
-{
-	u16 port = dev >> 8;
-	outb(0xaa, port);
-}
-
-void f71889_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/fintek/f71889/f71889.h b/src/superio/fintek/f71889/f71889.h
index 72148f4..e46ab99 100644
--- a/src/superio/fintek/f71889/f71889.h
+++ b/src/superio/fintek/f71889/f71889.h
@@ -34,6 +34,4 @@
 #define F71889_PME	0x0a	/* Power Management Events (PME) and ACPI */
 #define F71889_VREF	0x0b	/* Vref */
 
-void f71889_enable_serial(device_t dev, u16 iobase);
-
 #endif /* SUPERIO_FINTEK_F71889_H */
diff --git a/src/superio/fintek/f81865f/Makefile.inc b/src/superio/fintek/f81865f/Makefile.inc
index 8afb286..1700f7c 100644
--- a/src/superio/fintek/f81865f/Makefile.inc
+++ b/src/superio/fintek/f81865f/Makefile.inc
@@ -18,5 +18,4 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 ##
 
-romstage-$(CONFIG_SUPERIO_FINTEK_F81865F) += early_serial.c
 ramstage-$(CONFIG_SUPERIO_FINTEK_F81865F) += superio.c
diff --git a/src/superio/fintek/f81865f/early_serial.c b/src/superio/fintek/f81865f/early_serial.c
deleted file mode 100644
index 29b5f9d..0000000
--- a/src/superio/fintek/f81865f/early_serial.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2011 Advanced Micro Devices, Inc.
- *
- * 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
- */
-
-/* Pre-RAM driver for the Fintek F81865F/FG Super I/O chip. */
-
-#include <arch/io.h>
-#include <device/pnp.h>
-#include "f81865f.h"
-
-static void pnp_enter_conf_state(device_t dev)
-{
-	u16 port = dev >> 8;
-	outb(0x87, port);
-	outb(0x87, port);
-}
-
-static void pnp_exit_conf_state(device_t dev)
-{
-	u16 port = dev >> 8;
-	outb(0xaa, port);
-}
-
-void f81865f_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/fintek/f81865f/f81865f.h b/src/superio/fintek/f81865f/f81865f.h
index 99b7698..e3c204a 100644
--- a/src/superio/fintek/f81865f/f81865f.h
+++ b/src/superio/fintek/f81865f/f81865f.h
@@ -35,6 +35,4 @@
 #define F81865F_GPIO	0x06	/* General Purpose I/O (GPIO) */
 #define F81865F_PME	0x0a	/* Power Management Events (PME) */
 
-void f81865f_enable_serial(device_t dev, u16 iobase);
-
 #endif /* SUPERIO_FINTEK_F81865_H */



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