patch-2.4.22 linux-2.4.22/arch/mips/au1000/pb1500/setup.c

• Lines: 262
• Date: 1969-12-31 16:00:00.000000000 -0800
• Orig file: linux-2.4.21/arch/mips/au1000/pb1500/setup.c
• Orig date: 2002-11-28 15:53:09.000000000 -0800

diff -urN linux-2.4.21/arch/mips/au1000/pb1500/setup.c linux-2.4.22/arch/mips/au1000/pb1500/setup.c
@@ -1,261 +0,0 @@
-/*
- *
- * BRIEF MODULE DESCRIPTION
- *	Alchemy Pb1000 board setup.
- *
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *         	ppopov@mvista.com or source@mvista.com
- *
- *  This program is free software; you can redistribute  it and/or modify it
- *  under  the terms of  the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
- *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
- *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
- *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the  GNU General Public License along
- *  with this program; if not, write  to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/console.h>
-#include <linux/mc146818rtc.h>
-#include <linux/delay.h>
-
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
-#include <asm/keyboard.h>
-#include <asm/mipsregs.h>
-#include <asm/reboot.h>
-#include <asm/pgtable.h>
-#include <asm/au1000.h>
-#include <asm/pb1500.h>
-
-#ifdef CONFIG_USB_OHCI
-// Enable the workaround for the OHCI DoneHead
-// register corruption problem.
-#define CONFIG_AU1000_OHCI_FIX
-#endif
-
-#if defined(CONFIG_AU1000_SERIAL_CONSOLE)
-extern void console_setup(char *, int *);
-char serial_console[20];
-#endif
-
-#ifdef CONFIG_BLK_DEV_INITRD
-extern unsigned long initrd_start, initrd_end;
-extern void * __rd_start, * __rd_end;
-#endif
-
-#ifdef CONFIG_BLK_DEV_IDE
-extern struct ide_ops std_ide_ops;
-extern struct ide_ops *ide_ops;
-#endif
-
-#ifdef CONFIG_RTC
-extern struct rtc_ops pb1500_rtc_ops;
-#endif
-
-extern char * __init prom_getcmdline(void);
-extern void au1000_restart(char *);
-extern void au1000_halt(void);
-extern void au1000_power_off(void);
-extern struct resource ioport_resource;
-extern struct resource iomem_resource;
-
-
-void __init bus_error_init(void) { /* nothing */ }
-
-void __init au1500_setup(void)
-{
-	char *argptr;
-	u32 pin_func, static_cfg0;
-	u32 sys_freqctrl, sys_clksrc;
-
-	argptr = prom_getcmdline();
-
-	/* NOTE: The memory map is established by YAMON 2.08+ */
-
-	/* Various early Au1500 Errata corrected by this */
-	set_cp0_config(1<<19); /* Config[OD] */
-
-#ifdef CONFIG_AU1000_SERIAL_CONSOLE
-	if ((argptr = strstr(argptr, "console=")) == NULL) {
-		argptr = prom_getcmdline();
-		strcat(argptr, " console=ttyS0,115200");
-	}
-#endif
-
-#ifdef CONFIG_SOUND_AU1000
-	strcat(argptr, " au1000_audio=vra");
-	argptr = prom_getcmdline();
-#endif
-
-	_machine_restart = au1000_restart;
-	_machine_halt = au1000_halt;
-	_machine_power_off = au1000_power_off;
-
-	// IO/MEM resources.
-	set_io_port_base(0);
-	ioport_resource.start = 0x10000000;
-	ioport_resource.end = 0xffffffff;
-	iomem_resource.start = 0x10000000;
-	iomem_resource.end = 0xffffffff;
-
-#ifdef CONFIG_BLK_DEV_INITRD
-	ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
-	initrd_start = (unsigned long)&__rd_start;
-	initrd_end = (unsigned long)&__rd_end;
-#endif
-
-	// set AUX clock to 12MHz * 8 = 96 MHz
-	au_writel(8, SYS_AUXPLL);
-	au_writel(0, SYS_PINSTATERD);
-	udelay(100);
-
-#if defined (CONFIG_USB_OHCI) || defined (CONFIG_AU1000_USB_DEVICE)
-#ifdef CONFIG_USB_OHCI
-	if ((argptr = strstr(argptr, "usb_ohci=")) == NULL) {
-	        char usb_args[80];
-		argptr = prom_getcmdline();
-		memset(usb_args, 0, sizeof(usb_args));
-		sprintf(usb_args, " usb_ohci=base:0x%x,len:0x%x,irq:%d",
-			USB_OHCI_BASE, USB_OHCI_LEN, AU1000_USB_HOST_INT);
-		strcat(argptr, usb_args);
-	}
-#endif
-
-	/* zero and disable FREQ2 */
-	sys_freqctrl = au_readl(SYS_FREQCTRL0);
-	sys_freqctrl &= ~0xFFF00000;
-	au_writel(sys_freqctrl, SYS_FREQCTRL0);
-
-	/* zero and disable USBH/USBD clocks */
-	sys_clksrc = au_readl(SYS_CLKSRC);
-	sys_clksrc &= ~0x00007FE0;
-	au_writel(sys_clksrc, SYS_CLKSRC);
-
-	sys_freqctrl = au_readl(SYS_FREQCTRL0);
-	sys_freqctrl &= ~0xFFF00000;
-
-	sys_clksrc = au_readl(SYS_CLKSRC);
-	sys_clksrc &= ~0x00007FE0;
-
-	// FREQ2 = aux/2 = 48 MHz
-	sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20));
-	au_writel(sys_freqctrl, SYS_FREQCTRL0);
-
-	/*
-	 * Route 48MHz FREQ2 into USB Host and/or Device
-	 */
-#ifdef CONFIG_USB_OHCI
-	sys_clksrc |= ((4<<12) | (0<<11) | (0<<10));
-#endif
-#ifdef CONFIG_AU1000_USB_DEVICE
-	sys_clksrc |= ((4<<7) | (0<<6) | (0<<5));
-#endif
-	au_writel(sys_clksrc, SYS_CLKSRC);
-
-
-	pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8000);
-#ifndef CONFIG_AU1000_USB_DEVICE
-	// 2nd USB port is USB host
-	pin_func |= 0x8000;
-#endif
-	au_writel(pin_func, SYS_PINFUNC);
-#endif // defined (CONFIG_USB_OHCI) || defined (CONFIG_AU1000_USB_DEVICE)
-
-
-#ifdef CONFIG_USB_OHCI
-	// enable host controller and wait for reset done
-	au_writel(0x08, USB_HOST_CONFIG);
-	udelay(1000);
-	au_writel(0x0c, USB_HOST_CONFIG);
-	udelay(1000);
-	au_readl(USB_HOST_CONFIG);
-	while (!(au_readl(USB_HOST_CONFIG) & 0x10))
-	    ;
-	au_readl(USB_HOST_CONFIG);
-#endif
-
-#ifdef CONFIG_FB
-	conswitchp = &dummy_con;
-#endif
-
-#ifdef CONFIG_FB_E1356
-	if ((argptr = strstr(argptr, "video=")) == NULL) {
-		argptr = prom_getcmdline();
-		strcat(argptr, " video=e1356fb:system:pb1500");
-	}
-#elif defined (CONFIG_FB_XPERT98)
-	if ((argptr = strstr(argptr, "video=")) == NULL) {
-		argptr = prom_getcmdline();
-		strcat(argptr, " video=atyfb:1024x768-8@70");
-	}
-#endif // CONFIG_FB_E1356
-
-#ifndef CONFIG_SERIAL_NONSTANDARD
-	/* don't touch the default serial console */
-	au_writel(0, UART0_ADDR + UART_CLK);
-#endif
-	au_writel(0, UART3_ADDR + UART_CLK);
-
-#ifdef CONFIG_BLK_DEV_IDE
-	ide_ops = &std_ide_ops;
-#endif
-
-#ifdef CONFIG_PCI
-	// Setup PCI bus controller
-	au_writel(0, Au1500_PCI_CMEM);
-	au_writel(0x00003fff, Au1500_CFG_BASE);
-#if defined(__MIPSEB__)
-	au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG);
-#else
-	au_writel(0xf, Au1500_PCI_CFG);
-#endif
-	au_writel(0xf0000000, Au1500_PCI_MWMASK_DEV);
-	au_writel(0, Au1500_PCI_MWBASE_REV_CCL);
-	au_writel(0x02a00356, Au1500_PCI_STATCMD);
-	au_writel(0x00003c04, Au1500_PCI_HDRTYPE);
-	au_writel(0x00000008, Au1500_PCI_MBAR);
-	au_sync();
-#endif
-
-	while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_E0S);
-	au_writel(SYS_CNTRL_E0 | SYS_CNTRL_EN0, SYS_COUNTER_CNTRL);
-	au_sync();
-	while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T0S);
-	au_writel(0, SYS_TOYTRIM);
-
-	/* Enable BCLK switching */
-	au_writel(0x00000060, 0xb190003c);
-
-#ifdef CONFIG_RTC
-	rtc_ops = &pb1500_rtc_ops;
-	// Enable the RTC if not already enabled
-	if (!(au_readl(0xac000028) & 0x20)) {
-		printk("enabling clock ...\n");
-		au_writel((au_readl(0xac000028) | 0x20), 0xac000028);
-	}
-	// Put the clock in BCD mode
-	if (readl(0xac00002C) & 0x4) { /* reg B */
-		au_writel(au_readl(0xac00002c) & ~0x4, 0xac00002c);
-		au_sync();
-	}
-#endif
-}