Patch to add support for Winbond w83627uhg SuperIO.

(This is my first submission. Let me know if I did it wrong.)
Signed-off-by: Dan Lykowski <[email protected]>
---



      
Index: src/superio/winbond/w83627uhg/w83627uhg_early_serial.c
===================================================================
--- src/superio/winbond/w83627uhg/w83627uhg_early_serial.c	(revision 0)
+++ src/superio/winbond/w83627uhg/w83627uhg_early_serial.c	(revision 0)
@@ -0,0 +1,60 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2000  AG Electronics Ltd.
+ * Copyright 2003-2004 Linux Networx
+ * Copyright 2004 Tyan
+ * Copyright (C) 2009 Dynon Avionics.
+ *
+ * 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/romcc_io.h>
+#include "w83627uhg.h"
+
+static inline void pnp_enter_ext_func_mode(device_t dev)
+{
+	unsigned int port = dev >> 8;
+	outb(0x87, port);
+	outb(0x87, port);
+}
+
+static void pnp_exit_ext_func_mode(device_t dev)
+{
+	unsigned int port = dev >> 8;
+	outb(0xaa, port);
+}
+
+static void w83627uhg_set_input_clk_sel(device_t dev, uint8_t speed_24mhz)
+{
+        /* Set the input clock to 24 or 48 mhz. */
+        uint8_t value;
+        value = pnp_read_config( dev, 0x24 );
+        value &= ~(1<<6);
+        if(!speed_24mhz) {
+        	value |= (1<<6);
+   	}
+        pnp_write_config( dev, 0x24, value );
+}
+
+static void w83627uhg_enable_serial(device_t dev, unsigned int iobase)
+{
+	pnp_enter_ext_func_mode(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_ext_func_mode(dev);
+}
Index: src/superio/winbond/w83627uhg/Config.lb
===================================================================
--- src/superio/winbond/w83627uhg/Config.lb	(revision 0)
+++ src/superio/winbond/w83627uhg/Config.lb	(revision 0)
@@ -0,0 +1,2 @@
+config chip.h
+object superio.o
Index: src/superio/winbond/w83627uhg/superio.c
===================================================================
--- src/superio/winbond/w83627uhg/superio.c	(revision 0)
+++ src/superio/winbond/w83627uhg/superio.c	(revision 0)
@@ -0,0 +1,175 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2000  AG Electronics Ltd.
+ * Copyright 2003-2004 Linux Networx
+ * Copyright 2004 Tyan
+ * Copyright (C) 2009 Dynon Avionics.
+ *
+ * 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 $
+ */
+
+#include <arch/io.h>
+#include <device/device.h>
+#include <device/pnp.h>
+#include <console/console.h>
+#include <string.h>
+#include <bitops.h>
+#include <uart8250.h>
+#include <pc80/keyboard.h>
+#include "chip.h"
+#include "w83627uhg.h"
+
+static void w83627uhg_enter_ext_func_mode(device_t dev) 
+{
+        outb(0x87, dev->path.u.pnp.port);
+        outb(0x87, dev->path.u.pnp.port);
+}
+static void w83627uhg_exit_ext_func_mode(device_t dev) 
+{
+        outb(0xaa, dev->path.u.pnp.port);
+}
+
+
+static void set_uart_clock_source( device_t dev, uint8_t uart_clock ) {
+	/* Set the uart clock source */
+	/* Warning, the Kernel will need to be adjusted since it assumes a 1.8462MHz clock */
+
+	/* Possible Uart Clock Source Speeds are:
+	   0 = 1.8462MHz (default)
+	   1 = 2MHz
+	   2 = 24MHz
+	   3 = 14.769 MHz
+	   The faster clocks allow for baudrates up to 2mbits
+	*/
+
+	uint8_t value;
+	w83627uhg_enter_ext_func_mode(dev);
+	pnp_set_logical_device(dev);
+	value = pnp_read_config( dev, 0xF0 );
+	value &= ~0x03;
+	value |= (uart_clock & 0x03);
+	pnp_write_config( dev, 0xF0, value );
+	w83627uhg_exit_ext_func_mode(dev);
+}
+
+static void w83627uhg_init(device_t dev)
+{
+	struct superio_winbond_w83627uhg_config *conf;
+	struct resource *res0, *res1;
+	/* Wishlist handle well known programming interfaces more
+	 * generically.
+	 */
+	if (!dev->enabled) {
+		return;
+	}
+	conf = dev->chip_info;
+	switch(dev->path.u.pnp.device) {
+	case W83627UHG_SP1: 
+		res0 = find_resource(dev, PNP_IDX_IO0);
+		/*set_uart_clock_source( dev, 0 );*/
+		init_uart8250(res0->base, &conf->com1);
+		break;
+	case W83627UHG_SP2:
+		res0 = find_resource(dev, PNP_IDX_IO0);
+		/*set_uart_clock_source( dev, 0 );*/
+		init_uart8250(res0->base, &conf->com2);
+		break;
+	case W83627UHG_SP3:
+		res0 = find_resource(dev, PNP_IDX_IO0);
+		/*set_uart_clock_source( dev, 0 );*/
+		init_uart8250(res0->base, &conf->com3);
+		break;
+	case W83627UHG_SP4:
+		res0 = find_resource(dev, PNP_IDX_IO0);
+		/*set_uart_clock_source( dev, 0 );*/
+		init_uart8250(res0->base, &conf->com4);
+		break;
+	case W83627UHG_SP5:
+		res0 = find_resource(dev, PNP_IDX_IO0);
+		/*set_uart_clock_source( dev, 0 );*/
+		init_uart8250(res0->base, &conf->com5);
+		break;
+	case W83627UHG_SP6:
+		res0 = find_resource(dev, PNP_IDX_IO0);
+		/*set_uart_clock_source( dev, 0 );*/
+		init_uart8250(res0->base, &conf->com6);
+		break;
+	case W83627UHG_KBC:
+		res0 = find_resource(dev, PNP_IDX_IO0);
+		res1 = find_resource(dev, PNP_IDX_IO1);
+		init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
+		break;
+	}
+}
+
+static void w83627uhg_set_resources(device_t dev)
+{
+	w83627uhg_enter_ext_func_mode(dev);
+	pnp_set_resources(dev);
+	w83627uhg_exit_ext_func_mode(dev);
+}
+
+static void w83627uhg_enable_resources(device_t dev)
+{
+	w83627uhg_enter_ext_func_mode(dev);
+	pnp_enable_resources(dev);
+	w83627uhg_exit_ext_func_mode(dev);
+}
+
+static void w83627uhg_enable(device_t dev)
+{
+	w83627uhg_enter_ext_func_mode(dev);   
+	pnp_enable(dev);
+	w83627uhg_exit_ext_func_mode(dev);  
+}
+
+static struct device_operations ops = {
+	.read_resources   = pnp_read_resources,
+	.set_resources    = w83627uhg_set_resources,
+	.enable_resources = w83627uhg_enable_resources,
+	.enable           = w83627uhg_enable,
+	.init             = w83627uhg_init,
+};
+
+static struct pnp_info pnp_dev_info[] = {
+        { &ops, W83627UHG_FDC,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
+        { &ops, W83627UHG_PP,   PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
+        { &ops, W83627UHG_SP1,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
+        { &ops, W83627UHG_SP2,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
+        // No 4 { 0,},
+        { &ops, W83627UHG_KBC,  PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 0x4}, },
+        { &ops, W83627UHG_SP3,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
+        { &ops, W83627UHG_GPIO3_4, },
+	{ &ops, W83627UHG_WDTO_PLED_GPIO5_6, },
+        { &ops, W83627UHG_GPIO1_2,},
+        { &ops, W83627UHG_ACPI, PNP_IRQ0,  },
+        { &ops, W83627UHG_HWM,  PNP_IO0 | PNP_IRQ0, { 0xff8, 0 } },
+        { &ops, W83627UHG_PECI_SST,},
+        { &ops, W83627UHG_SP4,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
+        { &ops, W83627UHG_SP5,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
+        { &ops, W83627UHG_SP6,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
+};
+
+static void enable_dev(device_t dev)
+{
+	pnp_enable_devices(dev, &ops,
+		sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]), pnp_dev_info);
+}
+
+struct chip_operations superio_winbond_w83627uhg_ops = {
+	CHIP_NAME("Winbond W83627UHG Super I/O")
+	.enable_dev = enable_dev,
+};
Index: src/superio/winbond/w83627uhg/chip.h
===================================================================
--- src/superio/winbond/w83627uhg/chip.h	(revision 0)
+++ src/superio/winbond/w83627uhg/chip.h	(revision 0)
@@ -0,0 +1,9 @@
+#include <pc80/keyboard.h>
+#include <uart8250.h>
+
+extern struct chip_operations superio_winbond_w83627uhg_ops;
+
+struct superio_winbond_w83627uhg_config {
+	struct uart8250 com1, com2, com3, com4, com5, com6;
+	struct pc_keyboard keyboard;
+};
Index: src/superio/winbond/w83627uhg/w83627uhg.h
===================================================================
--- src/superio/winbond/w83627uhg/w83627uhg.h	(revision 0)
+++ src/superio/winbond/w83627uhg/w83627uhg.h	(revision 0)
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2000  AG Electronics Ltd.
+ * Copyright 2003-2004 Linux Networx
+ * Copyright 2004 Tyan
+ * Copyright (C) 2009 Dynon Avionics.
+ *
+ * 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 $
+ */
+
+#define W83627UHG_FDC              	0   /* Floppy */
+#define W83627UHG_PP               	1   /* Parallel Port */
+#define W83627UHG_SP1              	2   /* Com1 */
+#define W83627UHG_SP2              	3   /* Com2 */
+#define W83627UHG_KBC              	5   /* Keyboard & Mouse */
+#define W83627UHG_SP3		   	6   /* Com3 */
+#define W83627UHG_GPIO3_4          	7
+#define W83627UHG_WDTO_PLED_GPIO5_6     8
+#define W83627UHG_GPIO1_2            	9
+#define W83627UHG_ACPI            	10
+#define W83627UHG_HWM             	11  /* Hardware Monitor */
+#define W83627UHG_PECI_SST            	12
+#define W83627UHG_SP4            	13  /* Com 4 */
+#define W83627UHG_SP5            	14  /* Com 5 */
+#define W83627UHG_SP6            	15  /* Com 6 */
--
coreboot mailing list: [email protected]
http://www.coreboot.org/mailman/listinfo/coreboot

Reply via email to