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

• Lines: 206
• Date: 2003-08-25 04:44:39.000000000 -0700
• Orig file: linux-2.4.21/arch/mips/au1000/common/setup.c
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/arch/mips/au1000/common/setup.c linux-2.4.22/arch/mips/au1000/common/setup.c
@@ -0,0 +1,205 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *	Alchemy Au1x00 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>
+
+#if defined(CONFIG_AU1X00_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
+
+extern struct rtc_ops no_rtc_ops;
+extern char * __init prom_getcmdline(void);
+extern void __init board_setup(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;
+#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_SOC_AU1500)
+extern phys_t (*fixup_bigphys_addr)(phys_t phys_addr, phys_t size);
+static phys_t au1500_fixup_bigphys_addr(phys_t phys_addr, phys_t size);
+#endif
+
+void __init au1x00_setup(void)
+{
+	char *argptr;
+
+	/* Various early Au1000 Errata corrected by this */
+	set_c0_config(1<<19); /* Config[OD] */
+
+	board_setup();  /* board specific setup */
+
+	argptr = prom_getcmdline();
+
+#ifdef CONFIG_AU1X00_SERIAL_CONSOLE
+	if ((argptr = strstr(argptr, "console=")) == NULL) {
+		argptr = prom_getcmdline();
+		strcat(argptr, " console=ttyS0,115200");
+	}
+#endif	  
+
+#ifdef CONFIG_FB_AU1100
+    if ((argptr = strstr(argptr, "video=")) == NULL) {
+        argptr = prom_getcmdline();
+        /* default panel */
+        //strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");
+        strcat(argptr, " video=au1100fb:panel:s10,nohwcursor");
+    }
+#endif
+
+#ifdef CONFIG_FB_E1356
+	if ((argptr = strstr(argptr, "video=")) == NULL) {
+		argptr = prom_getcmdline();
+		strcat(argptr, " video=e1356fb:system:pb1500");
+	}
+#endif
+
+#ifdef CONFIG_FB_XPERT98
+	if ((argptr = strstr(argptr, "video=")) == NULL) {
+		argptr = prom_getcmdline();
+		strcat(argptr, " video=atyfb:1024x768-8@70");
+	}
+#endif
+
+#if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000)
+	// au1000 does not support vra, au1500 and au1100 do
+	strcat(argptr, " au1000_audio=vra");
+	argptr = prom_getcmdline();
+#endif
+	_machine_restart = au1000_restart;
+	_machine_halt = au1000_halt;
+	_machine_power_off = au1000_power_off;
+#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_SOC_AU1500)
+	fixup_bigphys_addr = au1500_fixup_bigphys_addr;
+#endif
+
+	// IO/MEM resources. 
+	set_io_port_base(0);
+	ioport_resource.start = IOPORT_RESOURCE_START;
+	ioport_resource.end = IOPORT_RESOURCE_END;
+	iomem_resource.start = IOMEM_RESOURCE_START;
+	iomem_resource.end = IOMEM_RESOURCE_END;
+
+#ifdef CONFIG_BLK_DEV_INITRD
+	ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
+	initrd_start = (unsigned long)&__rd_start;
+	initrd_end = (unsigned long)&__rd_end;
+#endif
+
+#if defined (CONFIG_USB_OHCI) || defined (CONFIG_AU1X00_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
+
+#ifdef CONFIG_USB_OHCI
+	// enable host controller and wait for reset done
+	au_writel(0x08, USB_HOST_CONFIG);
+	udelay(1000);
+	au_writel(0x0E, USB_HOST_CONFIG);
+	udelay(1000);
+	au_readl(USB_HOST_CONFIG); // throw away first read
+	while (!(au_readl(USB_HOST_CONFIG) & 0x10))
+		au_readl(USB_HOST_CONFIG);
+#endif
+#endif // defined (CONFIG_USB_OHCI) || defined (CONFIG_AU1X00_USB_DEVICE)
+
+#ifdef CONFIG_FB
+	// Needed if PCI video card in use
+	conswitchp = &dummy_con;
+#endif
+
+#ifndef CONFIG_SERIAL_NONSTANDARD
+	/* don't touch the default serial console */
+        au_writel(0, UART0_ADDR + UART_CLK);
+#endif
+
+#ifdef CONFIG_BLK_DEV_IDE
+	ide_ops = &std_ide_ops;
+#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);
+}
+
+#if defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_SOC_AU1500)
+/* This routine should be valid for all Au1500 based boards */
+static phys_t au1500_fixup_bigphys_addr(phys_t phys_addr, phys_t size)
+{
+	u32 pci_start = (u32)Au1500_PCI_MEM_START;
+	u32 pci_end = (u32)Au1500_PCI_MEM_END;
+
+	/* Don't fixup 36 bit addresses */
+	if ((phys_addr >> 32) != 0) return phys_addr;
+
+	/* check for pci memory window */
+	if ((phys_addr >= pci_start) && ((phys_addr + size) < pci_end)) {
+		return (phys_t)((phys_addr - pci_start) +
+				     Au1500_PCI_MEM_START);
+	}
+	else 
+		return phys_addr;
+}
+#endif