patch-2.3.99-pre9 linux/arch/sh/kernel/setup_se.c

• Lines: 124
• Date: Sat May 20 12:05:29 2000
• Orig file: v2.3.99-pre8/linux/arch/sh/kernel/setup_se.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.99-pre8/linux/arch/sh/kernel/setup_se.c linux/arch/sh/kernel/setup_se.c
@@ -0,0 +1,123 @@
+/* $Id: setup_se.c,v 1.6 2000/05/14 08:41:25 gniibe Exp $
+ *
+ * linux/arch/sh/kernel/setup_se.c
+ *
+ * Copyright (C) 2000  Kazumoto Kojima
+ *
+ * Hitachi SolutionEngine Support.
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <linux/hdreg.h>
+#include <linux/ide.h>
+#include <asm/io.h>
+#include <asm/hitachi_se.h>
+#include <asm/smc37c93x.h>
+
+/*
+ * Configure the Super I/O chip
+ */
+static void __init smsc_config(int index, int data)
+{
+	outb_p(index, INDEX_PORT);
+	outb_p(data, DATA_PORT);
+}
+
+static void __init init_smsc(void)
+{
+	outb_p(CONFIG_ENTER, CONFIG_PORT);
+	outb_p(CONFIG_ENTER, CONFIG_PORT);
+
+	/* FDC */
+	smsc_config(CURRENT_LDN_INDEX, LDN_FDC);
+	smsc_config(ACTIVATE_INDEX, 0x01);
+	smsc_config(IRQ_SELECT_INDEX, 6); /* IRQ6 */
+
+	/* IDE1 */
+	smsc_config(CURRENT_LDN_INDEX, LDN_IDE1);
+	smsc_config(ACTIVATE_INDEX, 0x01);
+	smsc_config(IRQ_SELECT_INDEX, 14); /* IRQ14 */
+
+	/* AUXIO (GPIO): to use IDE1 */
+	smsc_config(CURRENT_LDN_INDEX, LDN_AUXIO);
+	smsc_config(GPIO46_INDEX, 0x00); /* nIOROP */
+	smsc_config(GPIO47_INDEX, 0x00); /* nIOWOP */
+
+	/* COM1 */
+	smsc_config(CURRENT_LDN_INDEX, LDN_COM1);
+	smsc_config(ACTIVATE_INDEX, 0x01);
+	smsc_config(IO_BASE_HI_INDEX, 0x03);
+	smsc_config(IO_BASE_LO_INDEX, 0xf8);
+	smsc_config(IRQ_SELECT_INDEX, 3); /* IRQ3 */
+
+	/* RTC */
+	smsc_config(CURRENT_LDN_INDEX, LDN_RTC);
+	smsc_config(ACTIVATE_INDEX, 0x01);
+	smsc_config(IRQ_SELECT_INDEX, 8); /* IRQ8 */
+
+	/* XXX: COM2, PARPORT, KBD, and MOUSE will come here... */
+	outb_p(CONFIG_EXIT, CONFIG_PORT);
+}
+
+/*
+ * Initialize IRQ setting
+ */
+static void __init init_se_IRQ(void)
+{
+	int i;
+
+	/*
+	 * Super I/O (Just mimic PC):
+	 *  1: keyboard
+	 *  3: serial 0
+	 *  4: serial 1
+	 *  5: printer
+	 *  6: floppy
+	 *  8: rtc
+	 * 12: mouse
+	 * 14: ide0
+	 */
+	set_ipr_data(14, BCR_ILCRA, 2, 0x0f-14);
+	set_ipr_data(12, BCR_ILCRA, 1, 0x0f-12); 
+	set_ipr_data( 8, BCR_ILCRB, 1, 0x0f- 8); 
+	set_ipr_data( 6, BCR_ILCRC, 3, 0x0f- 6);
+	set_ipr_data( 5, BCR_ILCRC, 2, 0x0f- 5);
+	set_ipr_data( 4, BCR_ILCRC, 1, 0x0f- 4);
+	set_ipr_data( 3, BCR_ILCRC, 0, 0x0f- 3);
+	set_ipr_data( 1, BCR_ILCRD, 3, 0x0f- 1);
+
+	set_ipr_data(10, BCR_ILCRD, 1, 0x0f-10); /* LAN */
+
+	set_ipr_data( 0, BCR_ILCRE, 3, 0x0f- 0); /* PCIRQ3 */
+	set_ipr_data(11, BCR_ILCRE, 2, 0x0f-11); /* PCIRQ2 */
+	set_ipr_data( 9, BCR_ILCRE, 1, 0x0f- 9); /* PCIRQ1 */
+	set_ipr_data( 7, BCR_ILCRE, 0, 0x0f- 7); /* PCIRQ0 */
+
+	/* #2, #13 are allocated for SLOT IRQ #1 and #2 (for now) */
+	/* NOTE: #2 and #13 are not used on PC */
+	set_ipr_data(13, BCR_ILCRG, 1, 0x0f-13); /* SLOTIRQ2 */
+	set_ipr_data( 2, BCR_ILCRG, 0, 0x0f- 2); /* SLOTIRQ1 */
+
+	for (i = 0; i < 15; i++) {
+		make_ipr_irq(i);
+	}
+}
+
+/*
+ * Initialize the board
+ */
+int __init setup_se(void)
+{
+	init_se_IRQ();
+	init_smsc();
+	/* XXX: RTC setting comes here */
+
+	printk(KERN_INFO "Hitach SolutionEngine Setup...done\n");
+	return 0;
+}
+
+module_init(setup_se);