patch-2.4.0-test9 linux/arch/arm/kernel/hw-footbridge.c

• Lines: 693
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.0-test8/linux/arch/arm/kernel/hw-footbridge.c
• Orig date: Sun Aug 13 09:54:15 2000

diff -u --recursive --new-file v2.4.0-test8/linux/arch/arm/kernel/hw-footbridge.c linux/arch/arm/kernel/hw-footbridge.c
@@ -1,692 +0,0 @@
-/*
- * arch/arm/kernel/hw-footbridge.c
- *
- * Footbridge-dependent machine fixup
- *
- * Copyright (C) 1998, 1999 Russell King, Phil Blundell
- */
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-
-#include <asm/io.h>
-#include <asm/leds.h>
-#include <asm/mach-types.h>
-
-#define IRDA_IO_BASE		0x180
-#define GP1_IO_BASE		0x338
-#define GP2_IO_BASE		0x33a
-
-
-#ifdef CONFIG_LEDS
-#define DEFAULT_LEDS	0
-#else
-#define DEFAULT_LEDS	GPIO_GREEN_LED
-#endif
-
-/*
- * Netwinder stuff
- */
-#ifdef CONFIG_ARCH_NETWINDER
-
-/*
- * Winbond WB83977F accessibility stuff
- */
-static inline void wb977_open(void)
-{
-	outb(0x87, 0x370);
-	outb(0x87, 0x370);
-}
-
-static inline void wb977_close(void)
-{
-	outb(0xaa, 0x370);
-}
-
-static inline void wb977_wb(int reg, int val)
-{
-	outb(reg, 0x370);
-	outb(val, 0x371);
-}
-
-static inline void wb977_ww(int reg, int val)
-{
-	outb(reg, 0x370);
-	outb(val >> 8, 0x371);
-	outb(reg + 1, 0x370);
-	outb(val, 0x371);
-}
-
-#define wb977_device_select(dev)	wb977_wb(0x07, dev)
-#define wb977_device_disable()		wb977_wb(0x30, 0x00)
-#define wb977_device_enable()		wb977_wb(0x30, 0x01)
-
-/*
- * This is a lock for accessing ports GP1_IO_BASE and GP2_IO_BASE
- */
-spinlock_t gpio_lock = SPIN_LOCK_UNLOCKED;
-
-static unsigned int current_gpio_op = 0;
-static unsigned int current_gpio_io = 0;
-static unsigned int current_cpld = 0;
-
-void gpio_modify_op(int mask, int set)
-{
-	unsigned int new_gpio, changed;
-
-	new_gpio = (current_gpio_op & ~mask) | set;
-	changed = new_gpio ^ current_gpio_op;
-	current_gpio_op = new_gpio;
-
-	if (changed & 0xff)
-		outb(new_gpio, GP1_IO_BASE);
-	if (changed & 0xff00)
-		outb(new_gpio >> 8, GP2_IO_BASE);
-}
-
-static inline void __gpio_modify_io(int mask, int in)
-{
-	unsigned int new_gpio, changed;
-	int port;
-
-	new_gpio = (current_gpio_io & ~mask) | in;
-	changed = new_gpio ^ current_gpio_io;
-	current_gpio_io = new_gpio;
-
-	changed >>= 1;
-	new_gpio >>= 1;
-
-	wb977_device_select(7);
-
-	for (port = 0xe1; changed && port < 0xe8; changed >>= 1) {
-		wb977_wb(port, new_gpio & 1);
-
-		port += 1;
-		new_gpio >>= 1;
-	}
-
-	wb977_device_select(8);
-
-	for (port = 0xe8; changed && port < 0xec; changed >>= 1) {
-		wb977_wb(port, new_gpio & 1);
-
-		port += 1;
-		new_gpio >>= 1;
-	}
-}
-
-void gpio_modify_io(int mask, int in)
-{
-	/* Open up the SuperIO chip */
-	wb977_open();
-
-	__gpio_modify_io(mask, in);
-
-	/* Close up the EFER gate */
-	wb977_close();
-}
-
-int gpio_read(void)
-{
-	return inb(GP1_IO_BASE) | inb(GP2_IO_BASE) << 8;
-}
-
-/*
- * Initialise the Winbond W83977F global registers
- */
-static inline void wb977_init_global(void)
-{
-	/*
-	 * Enable R/W config registers
-	 */
-	wb977_wb(0x26, 0x40);
-
-	/*
-	 * Power down FDC (not used)
-	 */
-	wb977_wb(0x22, 0xfe);
-
-	/*
-	 * GP12, GP11, CIRRX, IRRXH, GP10
-	 */
-	wb977_wb(0x2a, 0xc1);
-
-	/*
-	 * GP23, GP22, GP21, GP20, GP13
-	 */
-	wb977_wb(0x2b, 0x6b);
-
-	/*
-	 * GP17, GP16, GP15, GP14
-	 */
-	wb977_wb(0x2c, 0x55);
-}
-
-/*
- * Initialise the Winbond W83977F printer port
- */
-static inline void wb977_init_printer(void)
-{
-	wb977_device_select(1);
-
-	/*
-	 * mode 1 == EPP
-	 */
-	wb977_wb(0xf0, 0x01);
-}
-
-/*
- * Initialise the Winbond W83977F keyboard controller
- */
-static inline void wb977_init_keyboard(void)
-{
-	wb977_device_select(5);
-
-	/*
-	 * Keyboard controller address
-	 */
-	wb977_ww(0x60, 0x0060);
-	wb977_ww(0x62, 0x0064);
-
-	/*
-	 * Keyboard IRQ 1, active high, edge trigger
-	 */
-	wb977_wb(0x70, 1);
-	wb977_wb(0x71, 0x02);
-
-	/*
-	 * Mouse IRQ 5, active high, edge trigger
-	 */
-	wb977_wb(0x72, 5);
-	wb977_wb(0x73, 0x02);
-
-	/*
-	 * KBC 8MHz
-	 */
-	wb977_wb(0xf0, 0x40);
-
-	/*
-	 * Enable device
-	 */
-	wb977_device_enable();
-}
-
-/*
- * Initialise the Winbond W83977F Infra-Red device
- */
-static inline void wb977_init_irda(void)
-{
-	wb977_device_select(6);
-
-	/*
-	 * IR base address
-	 */
-	wb977_ww(0x60, IRDA_IO_BASE);
-
-	/*
-	 * IRDA IRQ 6, active high, edge trigger
-	 */
-	wb977_wb(0x70, 6);
-	wb977_wb(0x71, 0x02);
-
-	/*
-	 * RX DMA - ISA DMA 0
-	 */
-	wb977_wb(0x74, 0x00);
-
-	/*
-	 * TX DMA - Disable Tx DMA
-	 */
-	wb977_wb(0x75, 0x04);
-
-	/*
-	 * Append CRC, Enable bank selection
-	 */
-	wb977_wb(0xf0, 0x03);
-
-	/*
-	 * Enable device
-	 */
-	wb977_device_enable();
-}
-
-/*
- * Initialise Winbond W83977F general purpose IO
- */
-static inline void wb977_init_gpio(void)
-{
-	unsigned long flags;
-
-	/*
-	 * Set up initial I/O definitions
-	 */
-	current_gpio_io = -1;
-	__gpio_modify_io(-1, GPIO_DONE | GPIO_WDTIMER);
-
-	wb977_device_select(7);
-
-	/*
-	 * Group1 base address
-	 */
-	wb977_ww(0x60, GP1_IO_BASE);
-	wb977_ww(0x62, 0);
-	wb977_ww(0x64, 0);
-
-	/*
-	 * GP10 (Orage button) IRQ 10, active high, edge trigger
-	 */
-	wb977_wb(0x70, 10);
-	wb977_wb(0x71, 0x02);
-
-	/*
-	 * GP10: Debounce filter enabled, IRQ, input
-	 */
-	wb977_wb(0xe0, 0x19);
-
-	/*
-	 * Enable Group1
-	 */
-	wb977_device_enable();
-
-	wb977_device_select(8);
-
-	/*
-	 * Group2 base address
-	 */
-	wb977_ww(0x60, GP2_IO_BASE);
-
-	/*
-	 * Clear watchdog timer regs
-	 *  - timer disable
-	 */
-	wb977_wb(0xf2, 0x00);
-
-	/*
-	 *  - disable LED, no mouse nor keyboard IRQ
-	 */
-	wb977_wb(0xf3, 0x00);
-
-	/*
-	 *  - timer counting, disable power LED, disable timeouot
-	 */
-	wb977_wb(0xf4, 0x00);
-
-	/*
-	 * Enable group2
-	 */
-	wb977_device_enable();
-
-	/*
-	 * Set Group1/Group2 outputs
-	 */
-	spin_lock_irqsave(&gpio_lock, flags);
-	gpio_modify_op(-1, GPIO_RED_LED | GPIO_FAN);
-	spin_unlock_irqrestore(&gpio_loc, flags);
-}
-
-/*
- * Initialise the Winbond W83977F chip.
- */
-static void __init wb977_init(void)
-{
-	request_region(0x370, 2, "W83977AF configuration");
-
-	/*
-	 * Open up the SuperIO chip
-	 */
-	wb977_open();
-
-	/*
-	 * Initialise the global registers
-	 */
-	wb977_init_global();
-
-	/*
-	 * Initialise the various devices in
-	 * the multi-IO chip.
-	 */
-	wb977_init_printer();
-	wb977_init_keyboard();
-	wb977_init_irda();
-	wb977_init_gpio();
-
-	/*
-	 * Close up the EFER gate
-	 */
-	wb977_close();
-}
-
-void cpld_modify(int mask, int set)
-{
-	int msk;
-
-	current_cpld = (current_cpld & ~mask) | set;
-
-	gpio_modify_io(GPIO_DATA | GPIO_IOCLK | GPIO_IOLOAD, 0);
-	gpio_modify_op(GPIO_IOLOAD, 0);
-
-	for (msk = 8; msk; msk >>= 1) {
-		int bit = current_cpld & msk;
-
-		gpio_modify_op(GPIO_DATA | GPIO_IOCLK, bit ? GPIO_DATA : 0);
-		gpio_modify_op(GPIO_IOCLK, GPIO_IOCLK);
-	}
-
-	gpio_modify_op(GPIO_IOCLK|GPIO_DATA, 0);
-	gpio_modify_op(GPIO_IOLOAD|GPIO_DSCLK, GPIO_IOLOAD|GPIO_DSCLK);
-	gpio_modify_op(GPIO_IOLOAD, 0);
-}
-
-static void __init cpld_init(void)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&gpio_lock, flags);
-	cpld_modify(-1, CPLD_UNMUTE | CPLD_7111_DISABLE);
-	spin_unlock_irqrestore(&gpio_lock, flags);
-}
-
-static unsigned char rwa_unlock[] __initdata =
-{ 0x00, 0x00, 0x6a, 0xb5, 0xda, 0xed, 0xf6, 0xfb, 0x7d, 0xbe, 0xdf, 0x6f, 0x37, 0x1b,
-  0x0d, 0x86, 0xc3, 0x61, 0xb0, 0x58, 0x2c, 0x16, 0x8b, 0x45, 0xa2, 0xd1, 0xe8, 0x74,
-  0x3a, 0x9d, 0xce, 0xe7, 0x73, 0x39 };
-
-#ifndef DEBUG
-#define dprintk(x...)
-#else
-#define dprintk(x...) printk(x)
-#endif
-
-#define WRITE_RWA(r,v) do { outb((r), 0x279); udelay(10); outb((v), 0xa79); } while (0)
-
-static inline void rwa010_unlock(void)
-{
-	int i;
-
-	WRITE_RWA(2, 2);
-	mdelay(10);
-
-	for (i = 0; i < sizeof(rwa_unlock); i++) {
-		outb(rwa_unlock[i], 0x279);
-		udelay(10);
-	}
-}
-
-static inline void rwa010_read_ident(void)
-{
-	unsigned char si[9];
-	int i, j;
-
-	WRITE_RWA(3, 0);
-	WRITE_RWA(0, 128);
-
-	outb(1, 0x279);
-
-	mdelay(1);
-
-	dprintk("Identifier: ");
-	for (i = 0; i < 9; i++) {
-		si[i] = 0;
-		for (j = 0; j < 8; j++) {
-			int bit;
-			udelay(250);
-			inb(0x203);
-			udelay(250);
-			bit = inb(0x203);
-			dprintk("%02X ", bit);
-			bit = (bit == 0xaa) ? 1 : 0;
-			si[i] |= bit << j;
-		}
-		dprintk("(%02X) ", si[i]);
-	}
-	dprintk("\n");
-}
-
-static inline void rwa010_global_init(void)
-{
-	WRITE_RWA(6, 2);	// Assign a card no = 2
-
-	dprintk("Card no = %d\n", inb(0x203));
-
-	/* disable the modem section of the chip */
-	WRITE_RWA(7, 3);
-	WRITE_RWA(0x30, 0);
-
-	/* disable the cdrom section of the chip */
-	WRITE_RWA(7, 4);
-	WRITE_RWA(0x30, 0);
-
-	/* disable the MPU-401 section of the chip */
-	WRITE_RWA(7, 2);
-	WRITE_RWA(0x30, 0);
-}
-
-static inline void rwa010_game_port_init(void)
-{
-	int i;
-
-	WRITE_RWA(7, 5);
-
-	dprintk("Slider base: ");
-	WRITE_RWA(0x61, 1);
-	i = inb(0x203);
-
-	WRITE_RWA(0x60, 2);
-	dprintk("%02X%02X (201)\n", inb(0x203), i);
-
-	WRITE_RWA(0x30, 1);
-}
-
-static inline void rwa010_waveartist_init(int base, int irq, int dma)
-{
-	int i;
-
-	WRITE_RWA(7, 0);
-
-	dprintk("WaveArtist base: ");
-	WRITE_RWA(0x61, base);
-	i = inb(0x203);
-
-	WRITE_RWA(0x60, base >> 8);
-	dprintk("%02X%02X (%X),", inb(0x203), i, base);
-
-	WRITE_RWA(0x70, irq);
-	dprintk(" irq: %d (%d),", inb(0x203), irq);
-
-	WRITE_RWA(0x74, dma);
-	dprintk(" dma: %d (%d)\n", inb(0x203), dma);
-
-	WRITE_RWA(0x30, 1);
-}
-
-static inline void rwa010_soundblaster_init(int sb_base, int al_base, int irq, int dma)
-{
-	int i;
-
-	WRITE_RWA(7, 1);
-
-	dprintk("SoundBlaster base: ");
-	WRITE_RWA(0x61, sb_base);
-	i = inb(0x203);
-
-	WRITE_RWA(0x60, sb_base >> 8);
-	dprintk("%02X%02X (%X),", inb(0x203), i, sb_base);
-
-	dprintk(" irq: ");
-	WRITE_RWA(0x70, irq);
-	dprintk("%d (%d),", inb(0x203), irq);
-
-	dprintk(" 8-bit DMA: ");
-	WRITE_RWA(0x74, dma);
-	dprintk("%d (%d)\n", inb(0x203), dma);
-
-	dprintk("AdLib base: ");
-	WRITE_RWA(0x63, al_base);
-	i = inb(0x203);
-
-	WRITE_RWA(0x62, al_base >> 8);
-	dprintk("%02X%02X (%X)\n", inb(0x203), i, al_base);
-
-	WRITE_RWA(0x30, 1);
-}
-
-static void rwa010_soundblaster_reset(void)
-{
-	int i;
-
-	outb(1, 0x226);
-	udelay(3);
-	outb(0, 0x226);
-
-	for (i = 0; i < 5; i++) {
-		if (inb(0x22e) & 0x80)
-			break;
-		mdelay(1);
-	}
-	if (i == 5)
-		printk("SoundBlaster: DSP reset failed\n");
-
-	dprintk("SoundBlaster DSP reset: %02X (AA)\n", inb(0x22a));
-
-	for (i = 0; i < 5; i++) {
-		if ((inb(0x22c) & 0x80) == 0)
-			break;
-		mdelay(1);
-	}
-
-	if (i == 5)
-		printk("SoundBlaster: DSP not ready\n");
-	else {
-		outb(0xe1, 0x22c);
-
-		dprintk("SoundBlaster DSP id: ");
-		i = inb(0x22a);
-		udelay(1);
-		i |= inb(0x22a) << 8;
-		dprintk("%04X\n", i);
-
-		for (i = 0; i < 5; i++) {
-			if ((inb(0x22c) & 0x80) == 0)
-				break;
-			mdelay(1);
-		}
-
-		if (i == 5)
-			printk("SoundBlaster: could not turn speaker off\n");
-
-		outb(0xd3, 0x22c);
-	}
-
-	/* turn on OPL3 */
-	outb(5, 0x38a);
-	outb(1, 0x38b);
-}
-
-static void __init rwa010_init(void)
-{
-	rwa010_unlock();
-	rwa010_read_ident();
-	rwa010_global_init();
-	rwa010_game_port_init();
-	rwa010_waveartist_init(0x250, 3, 7);
-	rwa010_soundblaster_init(0x220, 0x388, 3, 1);
-	rwa010_soundblaster_reset();
-}
-
-EXPORT_SYMBOL(gpio_lock);
-EXPORT_SYMBOL(gpio_modify_op);
-EXPORT_SYMBOL(gpio_modify_io);
-EXPORT_SYMBOL(cpld_modify);
-
-/*
- * Initialise any other hardware after we've got the PCI bus
- * initialised.  We may need the PCI bus to talk to this other
- * hardware.
- */
-static int __init nw_hw_init(void)
-{
-	/*
-	 * this ought to have a better home...
-	 * Since this calls the above routines, which are
-	 * compiled only if CONFIG_ARCH_NETWINDER is set,
-	 * these should only be parsed by the compiler
-	 * in the same circumstance.
-	 */
-	if (machine_is_netwinder()) {
-		unsigned long flags;
-
-		wb977_init();
-		cpld_init();
-		rwa010_init();
-
-		spin_lock_irqsave(&gpio_lock, flags);
-		gpio_modify_op(GPIO_RED_LED|GPIO_GREEN_LED, DEFAULT_LEDS);
-		spin_unlock_irqrestore(&gpio_lock, flags);
-	}
-	return 0;
-}
-
-__initcall(nw_hw_init);
-#endif
-
-/*
- * CATS stuff
- */
-#ifdef CONFIG_ARCH_CATS
-
-#define CONFIG_PORT	0x370
-#define INDEX_PORT	(CONFIG_PORT)
-#define DATA_PORT	(CONFIG_PORT + 1)
-
-static int __init cats_hw_init(void)
-{
-	if (machine_is_cats()) {
-		/* Set Aladdin to CONFIGURE mode */
-		outb(0x51, CONFIG_PORT);
-		outb(0x23, CONFIG_PORT);
-
-		/* Select logical device 3 */
-		outb(0x07, INDEX_PORT);
-		outb(0x03, DATA_PORT);
-
-		/* Set parallel port to DMA channel 3, ECP+EPP1.9, 
-		   enable EPP timeout */
-		outb(0x74, INDEX_PORT);
-		outb(0x03, DATA_PORT);
-	
-		outb(0xf0, INDEX_PORT);
-		outb(0x0f, DATA_PORT);
-
-		outb(0xf1, INDEX_PORT);
-		outb(0x07, DATA_PORT);
-
-		/* Select logical device 4 */
-		outb(0x07, INDEX_PORT);
-		outb(0x04, DATA_PORT);
-
-		/* UART1 high speed mode */
-		outb(0xf0, INDEX_PORT);
-		outb(0x02, DATA_PORT);
-
-		/* Select logical device 5 */
-		outb(0x07, INDEX_PORT);
-		outb(0x05, DATA_PORT);
-
-		/* UART2 high speed mode */
-		outb(0xf0, INDEX_PORT);
-		outb(0x02, DATA_PORT);
-
-		/* Set Aladdin to RUN mode */
-		outb(0xbb, CONFIG_PORT);
-	}
-
-	return 0;
-}
-
-__initcall(cats_hw_init);
-#endif
-