patch-2.4.22 linux-2.4.22/arch/sh/kernel/setup_keywest.c
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- Lines: 216
- Date:
2003-08-25 04:44:40.000000000 -0700
- Orig file:
linux-2.4.21/arch/sh/kernel/setup_keywest.c
- Orig date:
1969-12-31 16:00:00.000000000 -0800
diff -urN linux-2.4.21/arch/sh/kernel/setup_keywest.c linux-2.4.22/arch/sh/kernel/setup_keywest.c
@@ -0,0 +1,215 @@
+/*
+ *
+ * By Dustin McIntire (dustin@sensoria.com) (c)2001
+ *
+ * Setup and IRQ handling code for the HD64465 companion chip.
+ * by Greg Banks <gbanks@pocketpenguins.com>
+ * Copyright (c) 2000 PocketPenguins Inc
+ *
+ * Derived from setup_hd64465.c which bore the message:
+ * Greg Banks <gbanks@pocketpenguins.com>
+ * Copyright (c) 2000 PocketPenguins Inc and
+ * Copyright (C) 2000 YAEGASHI Takeshi
+ * and setup_cqreek.c which bore message:
+ * Copyright (C) 2000 Niibe Yutaka
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License. See linux/COPYING for more information.
+ *
+ * Setup and IRQ functions for a Hitachi Big Sur Evaluation Board.
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/sched.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/ioport.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/bitops.h>
+
+#include <asm/io_keywest.h>
+#include <asm/hd64465.h>
+#include <asm/keywest.h>
+
+//#define KEYWEST_DEBUG 3
+#undef KEYWEST_DEBUG
+
+//LED
+#define ALPHA_LED 0xb1ffe038
+
+#ifdef KEYWEST_DEBUG
+#define DPRINTK(args...) printk(args)
+#define DIPRINTK(n, args...) if (KEYWEST_DEBUG>(n)) printk(args)
+#else
+#define DPRINTK(args...)
+#define DIPRINTK(n, args...)
+#endif /* KEYWEST_DEBUG */
+
+#ifdef CONFIG_HD64465
+extern int hd64465_irq_demux(int irq);
+#endif /* CONFIG_HD64465 */
+
+extern void keywest_alpha(int i, char ch);
+
+int keywest_irq_demux(int irq)
+{
+ int demux_irq = irq;
+
+#ifdef CONFIG_HD64465
+ demux_irq = hd64465_irq_demux(demux_irq);
+#endif /* CONFIG_HD64465 */
+
+#ifndef CONFIG_SH_GENERIC
+ demux_irq = ipr_irq_demux(demux_irq);
+#endif
+
+ return demux_irq;
+}
+
+
+void __init init_keywest_IRQ(void)
+{
+ if (!MACH_KEYWEST) return;
+
+}
+
+void keywest_puts(const char* s)
+{
+ int n = 0;
+
+ while (*s) { keywest_alpha(n++, *s++); }
+ while (n < 8) { keywest_alpha(n++, ' '); }
+}
+EXPORT_SYMBOL(keywest_puts);
+
+void keywest_printf(const char* fmt, ...)
+{
+ char buffer[32];
+ va_list ap;
+
+ va_start(ap, fmt);
+ vsprintf(buffer, fmt, ap);
+ va_end(ap);
+ keywest_puts(buffer);
+}
+EXPORT_SYMBOL(keywest_printf);
+
+static void tahoe_init(void)
+{
+#ifdef CONFIG_HD64465
+ if (inw(HD64465_REG_SDID) != HD64465_SDID) {
+ printk("Tahoe board is not present.\n");
+
+ return;
+ }
+
+ printk("Hitachi HD64465 chip support (%d.%d)\n",
+ inw(HD64465_REG_SRR) >> 8, inw(HD64465_REG_SRR) & 0xFF);
+
+ outw(~0, HD64465_REG_NIMR);
+ //outw(0x03, HD64465_REG_SPLLCR);
+#ifdef CONFIG_VT
+ outw(inw(HD64465_REG_SMSCR) & (~HD64465_SMSCR_PS2ST), HD64465_REG_SMSCR); /* PS2 */
+ //outw(inw(HD64465_REG_SMSCR) & (~HD64465_SMSCR_KBCST), HD64465_REG_SMSCR); /* keyboard */
+#endif
+#ifdef CONFIG_SERIAL
+ outw(inw(HD64465_REG_SMSCR) & (~HD64465_SMSCR_UARTST), HD64465_REG_SMSCR); /* UART */
+#endif
+#ifdef CONFIG_PARPORT
+ outw(inw(HD64465_REG_SMSCR) & (~HD64465_SMSCR_PPST), HD64465_REG_SMSCR); /* PARPORT */
+#endif
+
+#ifdef CONFIG_PCMCIA
+ outw(inw(HD64465_REG_SMSCR) & (~HD64465_SMSCR_PC0ST), HD64465_REG_SMSCR); /* PC0 */
+ outw(inw(HD64465_REG_SMSCR) & (~HD64465_SMSCR_PC1ST), HD64465_REG_SMSCR); /* PC1 */
+
+ /* turn on PCMCIA area 5 and 6 in BCR1 */
+ * (unsigned short *) 0xffffff60 |= 0x3;
+
+ /* must put both area 5 and 6 into 8 or 16 bit mode in BCR2 */
+ * (unsigned short *) 0xffffff62 &= ~0x3c00;
+ * (unsigned short *) 0xffffff62 |= 0x2800; /* 16 bit mode */
+
+ /* setup all the PCMCIA dual purpose pins to be PCMCIA pins */
+ * (unsigned short *) 0xa4000108 = 0x0000; /* port E, all pins */
+ * (unsigned short *) 0xa400010a = 0x0000; /* port F, all pins */
+ * (unsigned short *) 0xa400010c = 0x0000; /* port G, all pins */
+
+ /* put the PCMCIA interrupts into edge triggered mode */
+ // BAD * (unsigned short *) 0xb0005004 |= 0x6000;
+
+#endif
+
+ /* 0x3c00*/
+ * (unsigned short *) 0xa400010e &= ~0x3f00; /* port H, pins 4, 5 & 6 */
+
+ printk("Hitachi HD64465 configured at 0x%x on irq %d\n",
+ CONFIG_HD64465_IOBASE, HD64465_IRQ_BASE);
+#endif
+}
+
+static void keywest_init(void)
+{
+ keywest_printf("%s", "Key West");
+#ifdef CONFIG_PCI
+ /*
+ * make sure these pins are in PCI mode (PINT)
+ */
+ * (unsigned short *) 0xa4000104 = 0xaaaa; /* port C, all inputs */
+ * (unsigned short *) 0xa4000108 = 0x0000; /* port E, all pins */
+ * (unsigned short *) 0xa4000110 = 0x0000; /* port J, all pins */
+#ifndef CONFIG_PCMCIA
+ * (unsigned short *) 0xffffff62 |= 0x3c00; /* Area 5/6 in 32 bit mode */
+
+ /* Make sure Area 5 & 6 are in PCI mode */
+ * (unsigned short *) 0xffffff60 &= ~0x3; /* 5 & 6 as normal memory *
+ * (unsigned short *) 0xffffff60 &= ~0x1e0; /* ordinary memory 5 & 6 */
+#endif
+#endif
+}
+
+int __init setup_keywest(void)
+{
+ static int done = 0; /* run this only once */
+
+ if (!MACH_KEYWEST || done) return 0;
+ done = 1;
+
+ keywest_init();
+ tahoe_init();
+#if defined (CONFIG_HD64465) && defined (CONFIG_SERIAL)
+ /* remap IO ports for first ISA serial port to HD64465 UART */
+ mach_port_map(0x3f8, 8, CONFIG_HD64465_IOBASE + 0x8000, 1);
+#endif /* CONFIG_HD64465 && CONFIG_SERIAL */
+
+ return 0;
+}
+
+void keywest_alpha(int i, char ch)
+{
+ volatile unsigned char *alpha = (unsigned char *)ALPHA_LED;
+ *(alpha + i) = ch;
+}
+
+#if 0 //keywest board(rev.4) not support status LED
+void keywest_led_on()
+{
+ volatile unsigned char *led = (unsigned char *)STATUS_LED;
+ *led = 0x82;
+}
+
+void keywest_led_off()
+{
+ volatile unsigned char *led = (unsigned char *)STATUS_LED;
+ *led = 0x02;
+}
+#endif
+
+module_init(setup_keywest);
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