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