patch-2.4.22 linux-2.4.22/arch/sh/kernel/setup_hs7729pci.c

• Lines: 213
• Date: 2003-08-25 04:44:40.000000000 -0700
• Orig file: linux-2.4.21/arch/sh/kernel/setup_hs7729pci.c
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/arch/sh/kernel/setup_hs7729pci.c linux-2.4.22/arch/sh/kernel/setup_hs7729pci.c
@@ -0,0 +1,212 @@
+/* $Id: setup_hs7729pci.c,v 1.1.2.1 2003/06/24 08:45:47 dwmw2 Exp $
+ *
+ * linux/arch/sh/kernel/setup_hs7729pci.c
+ *
+ * Copyright (C) 2000  Kazumoto Kojima
+ *
+ * Hitachi Semiconductor and Devices HS7729PCI 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_hs7729pci.h>
+#include <asm/smc37c93x.h>
+
+static int interrupt_count;
+static int sevenseg_count;
+
+extern unsigned char aux_device_present;
+
+/*
+ * 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);
+
+#if defined(CONFIG_BLK_DEV_FD)
+	/* FDC */
+	smsc_config(CURRENT_LDN_INDEX, LDN_FDC);
+	smsc_config(ACTIVATE_INDEX, 0x01);
+	smsc_config(IRQ_SELECT_INDEX, 6); /* IRQ6 */
+#endif
+
+#if defined(CONFIG_BLK_DEV_IDE)
+	/* IDE1 */
+	smsc_config(CURRENT_LDN_INDEX, LDN_IDE1);
+	smsc_config(ACTIVATE_INDEX, 0x01);
+	smsc_config(IRQ_SELECT_INDEX, 14); /* IRQ14 */
+	smsc_config(IO_BASE_HI_INDEX, 0x01);
+        smsc_config(IO_BASE_LO_INDEX, 0x70);
+	smsc_config(0x62, 0x03);
+        smsc_config(0x63, 0x76);
+
+#if 0
+#define SMSC_RD(adr) ({ outb(adr, 0x3f0), inb(0x3f1); })
+
+	printk("IDE1 addrs 0x%02x%02x, 0x%02x%02x\n", SMSC_RD(0x60), SMSC_RD(0x61), SMSC_RD(0x62), SMSC_RD(0x63));
+	printk("IDE1 Reg 0xF0: %02x. IDE1 Reg 0xF1: %02x\n", SMSC_RD(0xf0), SMSC_RD(0xf1));
+	printk("Power reg: %02x\n", SMSC_RD(0x22));
+	smsc_config(0x22, 0x3f);
+	printk("Power reg changed to: %02x\n", SMSC_RD(0x22));
+#endif	       
+#endif
+
+	/* AUXIO (GPIO): to use IDE1 */
+	smsc_config(CURRENT_LDN_INDEX, LDN_AUXIO);
+	smsc_config(GPIO46_INDEX, 0x00); /* nIOROP */
+	smsc_config(GPIO47_INDEX, 0x00); /* nIOWOP */
+
+#if defined(CONFIG_SERIAL)
+	/* 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 */
+#endif
+
+	/* RTC */
+	smsc_config(CURRENT_LDN_INDEX, LDN_RTC);
+	smsc_config(ACTIVATE_INDEX, 0x01);
+	smsc_config(IRQ_SELECT_INDEX, 8); /* IRQ8 */
+
+#if defined(CONFIG_VT)
+	disable_irq(1);
+
+	/* KBD */
+	smsc_config(CURRENT_LDN_INDEX, LDN_KBC);
+	smsc_config(ACTIVATE_INDEX, 0x01);
+	smsc_config(IRQ_SELECT_INDEX, 1); /* IRQ1 */
+	smsc_config(IRQ_SELECT_INDEX+2, 12); /* IRQ12 */
+
+	/* Let it probe for PS/2 port. It should find one. */
+	aux_device_present = 0;
+#endif
+
+#if defined(CONFIG_PARPORT)
+	/* PARALLEL */
+	smsc_config(CURRENT_LDN_INDEX, LDN_PARPORT);
+	smsc_config(ACTIVATE_INDEX, 0x01);
+	smsc_config(IO_BASE_HI_INDEX, 0x03);
+	smsc_config(IO_BASE_LO_INDEX, 0x78);
+	smsc_config(IRQ_SELECT_INDEX, 5); /* IRQ5 */
+#endif
+
+	outb_p(CONFIG_EXIT, CONFIG_PORT);
+}
+
+/*
+ * Initialize IRQ setting
+ */
+void __init init_hs7729pci_IRQ(void)
+{
+	/*
+	 * Super I/O (Just mimic PC):
+	 *  0: SD0001
+	 *  1: keyboard
+	 *  3: serial 0
+	 *  4: serial 1
+	 *  5: printer
+	 *  6: floppy
+	 *  8: rtc
+	 * 12: mouse
+	 * 14: ide0
+	 */
+	ctrl_outw(0x0130, BCR_ILCRA);
+	ctrl_outw(0x0070, BCR_ILCRB);
+	ctrl_outw(0x9abc, BCR_ILCRC);
+	ctrl_outw(0xef84, BCR_ILCRD);
+	ctrl_outw(0x0506, BCR_ILCRE);
+	ctrl_outw(0x0002, BCR_ILCRF);
+	ctrl_outw(0x000d, BCR_ILCRG);
+
+	make_ipr_irq(15, BCR_ILCRA, 3, 0x00); /* IRQ15 */
+	make_ipr_irq(14, BCR_ILCRA, 2, 0x01); /* IRQ14 */
+	make_ipr_irq(12, BCR_ILCRA, 1, 0x03); /* IRQ12 */
+
+	make_ipr_irq( 8, BCR_ILCRB, 1, 0x07); /* IRQ8 */
+
+	make_ipr_irq( 6, BCR_ILCRC, 3, 0x09); /* IRQ6 */
+	make_ipr_irq( 5, BCR_ILCRC, 2, 0x0a); /* IRQ5 */
+	make_ipr_irq( 4, BCR_ILCRC, 1, 0x0b); /* IRQ4 */
+	make_ipr_irq( 3, BCR_ILCRC, 0, 0x0c); /* IRQ3 */
+
+	make_ipr_irq( 1, BCR_ILCRD, 3, 0x0e); /* IRQ1 */
+	make_ipr_irq( 0, BCR_ILCRD, 2, 0x0f); /* PCI_IRQ0 */
+	make_ipr_irq( 7, BCR_ILCRD, 1, 0x08); /* USB1_IRQ */
+	make_ipr_irq(11, BCR_ILCRD, 0, 0x04); /* USB2_IRQ */
+
+	make_ipr_irq(10, BCR_ILCRE, 2, 0x05); /* PC_IRQ2 */
+	make_ipr_irq( 9, BCR_ILCRE, 0, 0x06); /* PC_IRQ1 */
+
+	make_ipr_irq(13, BCR_ILCRF, 0, 0x02); /* SLOT_IRQ5 */
+
+	make_ipr_irq( 2, BCR_ILCRG, 0, 0x0d); /* SLOT_IRQ1 */
+}
+
+/*
+ * Initialize the board
+ */
+
+void __init setup_hs7729pci(void)
+{
+	init_smsc();
+	/* XXX: RTC setting comes here */
+	interrupt_count = 0;
+	sevenseg_count = 0;
+	ctrl_outw(0xffff, PA_LED);
+	ctrl_outw(0x3f3f, PA_7SEG);
+}
+
+void debug_interrupt(void)
+{
+	ctrl_outw(interrupt_count, PA_LED);
+	if (interrupt_count == 0xffff)
+		interrupt_count = 0;
+	else
+		interrupt_count++;
+}
+
+static int sevenseg_data[] = {0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07,
+			  0x7f, 0x6f, 0x77, 0x7c, 0x39, 0x5e, 0x79, 0x71};
+
+void set_sevenseg(unsigned char val)
+{
+	unsigned short data;
+
+	data = sevenseg_data[(val & 0xf0) >> 4] << 8;
+	data |= sevenseg_data[val & 0x0f];
+
+	ctrl_outw(data, PA_7SEG);
+}
+
+void debug_sevenseg(void)
+{
+	set_sevenseg(sevenseg_count);
+
+	if (sevenseg_count == 0xff)
+		sevenseg_count = 0;
+	else
+		sevenseg_count++;
+}