patch-2.4.10 linux/arch/sh/kernel/setup_7751se.c

• Lines: 137
• Date: Sat Sep 8 12:29:09 2001
• Orig file: v2.4.9/linux/arch/sh/kernel/setup_7751se.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.9/linux/arch/sh/kernel/setup_7751se.c linux/arch/sh/kernel/setup_7751se.c
@@ -0,0 +1,136 @@
+/* 
+ * linux/arch/sh/kernel/setup_7751se.c
+ *
+ * Copyright (C) 2000  Kazumoto Kojima
+ *
+ * Hitachi SolutionEngine Support.
+ *
+ * Modified for 7751 Solution Engine by
+ * Ian da Silva and Jeremy Siegel, 2001.
+ */
+
+#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_7751se.h>
+
+/*
+ * Configure the Super I/O chip
+ */
+#if 0
+/* Leftover code from regular Solution Engine, for reference. */
+/* The SH7751 Solution Engine has a different SuperIO. */
+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, 4); /* IRQ4 */
+
+	/* COM2 */
+	smsc_config(CURRENT_LDN_INDEX, LDN_COM2);
+	smsc_config(ACTIVATE_INDEX, 0x01);
+	smsc_config(IO_BASE_HI_INDEX, 0x02);
+	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: PARPORT, KBD, and MOUSE will come here... */
+	outb_p(CONFIG_EXIT, CONFIG_PORT);
+}
+#endif
+
+/*
+ * Initialize IRQ setting
+ */
+void __init init_7751se_IRQ(void)
+{
+
+  /* Leave old Solution Engine code in for reference. */
+#if defined(CONFIG_SH_SOLUTION_ENGINE)
+	/*
+	 * Super I/O (Just mimic PC):
+	 *  1: keyboard
+	 *  3: serial 0
+	 *  4: serial 1
+	 *  5: printer
+	 *  6: floppy
+	 *  8: rtc
+	 * 12: mouse
+	 * 14: ide0
+	 */
+	make_ipr_irq(14, BCR_ILCRA, 2, 0x0f-14);
+	make_ipr_irq(12, BCR_ILCRA, 1, 0x0f-12); 
+	make_ipr_irq( 8, BCR_ILCRB, 1, 0x0f- 8); 
+	make_ipr_irq( 6, BCR_ILCRC, 3, 0x0f- 6);
+	make_ipr_irq( 5, BCR_ILCRC, 2, 0x0f- 5);
+	make_ipr_irq( 4, BCR_ILCRC, 1, 0x0f- 4);
+	make_ipr_irq( 3, BCR_ILCRC, 0, 0x0f- 3);
+	make_ipr_irq( 1, BCR_ILCRD, 3, 0x0f- 1);
+
+	make_ipr_irq(10, BCR_ILCRD, 1, 0x0f-10); /* LAN */
+
+	make_ipr_irq( 0, BCR_ILCRE, 3, 0x0f- 0); /* PCIRQ3 */
+	make_ipr_irq(11, BCR_ILCRE, 2, 0x0f-11); /* PCIRQ2 */
+	make_ipr_irq( 9, BCR_ILCRE, 1, 0x0f- 9); /* PCIRQ1 */
+	make_ipr_irq( 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 */
+	make_ipr_irq(13, BCR_ILCRG, 1, 0x0f-13); /* SLOTIRQ2 */
+	make_ipr_irq( 2, BCR_ILCRG, 0, 0x0f- 2); /* SLOTIRQ1 */
+
+#elif defined(CONFIG_SH_7751_SOLUTION_ENGINE)
+
+	make_ipr_irq(13, BCR_ILCRD, 3, 2);
+
+	/* Add additional calls to make_ipr_irq() as drivers are added
+	 * and tested.
+	 */
+#endif
+
+}
+
+
+/*
+ * Initialize the board
+ */
+void __init setup_7751se(void)
+{
+	/* Call init_smsc() replacement to set up SuperIO. */
+	/* XXX: RTC setting comes here */
+}