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authorRalf Baechle <ralf@linux-mips.org>2000-06-15 01:55:58 +0000
committerRalf Baechle <ralf@linux-mips.org>2000-06-15 01:55:58 +0000
commit53b3988d474435254a3b053a68bb24ce9e439295 (patch)
treef8da8e40f01f4ad02bbd76b8c9920749b118235f /arch/sh/kernel/setup_se.c
parentb0cb48abe83d1a4389ea938bf624f8baa82c5047 (diff)
Merge with 2.3.99-pre9.
Diffstat (limited to 'arch/sh/kernel/setup_se.c')
-rw-r--r--arch/sh/kernel/setup_se.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/arch/sh/kernel/setup_se.c b/arch/sh/kernel/setup_se.c
new file mode 100644
index 000000000..bcb9b6414
--- /dev/null
+++ b/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);