update-2.4.22-mipsorg-0.030928.1.patch

rtai-3.1-test3的源代码(Real-Time Application Interface )

+	pin_func |= 0x8000;
+#endif
+	au_writel(pin_func, SYS_PINFUNC);
+#endif // defined (CONFIG_USB_OHCI) || defined (CONFIG_AU1X00_USB_DEVICE)
+
+	/* Configure GPIO2....it's used by PCI among other things.
+	*/
+
+	/* Make everything but GP200 (PCI RST) an input until we get
+	 * the pins set correctly.
+	 */
+	au_writel(0x00000001, GPIO2_DIR);
+
+	/* Set the pins used for output.
+	 * A zero bit will leave PCI reset, LEDs off, power up USB,
+	 * IDSEL disabled.
+	 */
+	pin_val = ((3 << 30) | (7 << 19) | (1 << 17) | (1 << 16));
+	au_writel(pin_val, GPIO2_OUTPUT);
+
+	/* Set the output direction.
+	*/
+	pin_val = ((3 << 14) | (7 << 3) | (1 << 1) | (1 << 0));
+	au_writel(pin_val, GPIO2_DIR);
+
+#ifdef CONFIG_PCI
+	/* Use FREQ1 for the PCI output clock.  We use the
+	 * CPU clock of 384 MHz divided by 12 to get 32 MHz PCI.
+	 * If Michael changes the CPU speed, we need to adjust
+	 * that here as well :-).
+	 */
+
+	/* zero and disable FREQ1
+	*/
+	sys_freqctrl = au_readl(SYS_FREQCTRL0);
+	sys_freqctrl &= ~0x000ffc00;
+	au_writel(sys_freqctrl, SYS_FREQCTRL0);
+
+	/* zero and disable PCI clock
+	*/
+	sys_clksrc = au_readl(SYS_CLKSRC);
+	sys_clksrc &= ~0x000f8000;
+	au_writel(sys_clksrc, SYS_CLKSRC);
+
+	/* Get current values (which really should match above).
+	*/
+	sys_freqctrl = au_readl(SYS_FREQCTRL0);
+	sys_freqctrl &= ~0x000ffc00;
+
+	sys_clksrc = au_readl(SYS_CLKSRC);
+	sys_clksrc &= ~0x000f8000;
+
+	/* FREQ1 = cpu/12 = 32 MHz
+	*/
+	sys_freqctrl |= ((5<<12) | (1<<11) | (0<<10));
+	au_writel(sys_freqctrl, SYS_FREQCTRL0);
+
+	/* Just connect the clock without further dividing.
+	*/
+	sys_clksrc |= ((3<<17) | (0<<16) | (0<<15));
+	au_writel(sys_clksrc, SYS_CLKSRC);
+
+	udelay(1);
+
+	/* Now that clocks should be running, take PCI out of reset.
+	*/
+	pin_val = au_readl(GPIO2_OUTPUT);
+	pin_val |= ((1 << 16) | 1);
+	au_writel(pin_val, GPIO2_OUTPUT);
+
+	// Setup PCI bus controller
+	au_writel(0, Au1500_PCI_CMEM);
+	au_writel(0x00003fff, Au1500_CFG_BASE);
+
+	/* We run big endian without any of the software byte swapping,
+	 * so configure the PCI bridge to help us out.
+	 */
+	au_writel(0xf | (2<<6) | (1<<5) | (1<<4), Au1500_PCI_CFG);
+
+	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();
+
+	board_pci_idsel = csb250_pci_idsel;
+#endif
+
+	/* Enable BCLK switching */
+	au_writel(0x00000060, 0xb190003c);
+
+#ifdef CONFIG_RTC
+	rtc_ops = &csb250_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
+}
+
+/* The IDSEL is selected in the GPIO2 register.  We will make device
+ * 12 appear in slot 0 and device 13 appear in slot 1.
+ */
+int
+csb250_pci_idsel(unsigned int devsel, int assert)
+{
+	int		retval;
+	unsigned int	gpio2_pins;
+
+	retval = 1;
+	
+	/* First, disable both selects, then assert the one requested.
+	*/
+	au_writel(0xc000c000, GPIO2_OUTPUT);
+	au_sync();
+
+	if (assert) {
+		if (devsel == 12)
+			gpio2_pins = 0x40000000;
+		else if (devsel == 13)
+			gpio2_pins = 0x80000000;
+		else {
+			gpio2_pins = 0xc000c000;
+			retval = 0;
+		}
+		au_writel(gpio2_pins, GPIO2_OUTPUT);
+	}
+	au_sync();
+
+	return retval;
+}
diff -Naur --exclude='*.orig' --exclude=CVS --exclude=.cvsignore --exclude='.#*' --exclude=README.Debian linux-2.4.22.clean/arch/mips/au1000/csb250/init.c linux-2.4.22/arch/mips/au1000/csb250/init.c
--- linux-2.4.22.clean/arch/mips/au1000/csb250/init.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.4.22/arch/mips/au1000/csb250/init.c	2003-09-08 02:05:46.000000000 +0200
@@ -0,0 +1,95 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *	Cogent CSB250 board setup
+ *
+ * Copyright 2002 Cogent Computer Systems, Inc.
+ * 	[e-mail]
+ *
+ *  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/init.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/bootmem.h>
+#include <asm/addrspace.h>
+#include <asm/bootinfo.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+
+int prom_argc;
+char **prom_argv, **prom_envp;
+extern void  __init prom_init_cmdline(void);
+extern char *prom_getenv(char *envname);
+
+/* When we get initrd working someday.........
+*/
+int	my_initrd_start, my_initrd_size;
+
+/* Start arguments and environment.
+*/
+static char	*csb_env[2];
+static char	*csb_arg[4];
+static char	*arg1 = "console=ttyS3,38400";
+static char	*arg2 = "root=/dev/nfs rw ip=any";
+static char	*env1 = "ethaddr=00:30:23:50:00:00";
+
+const char *get_system_type(void)
+{
+	return "Cogent CSB250";
+}
+
+int __init prom_init(int argc, char **argv, char **envp, int *prom_vec)
+{
+	unsigned char *memsize_str;
+	unsigned long memsize;
+
+	/* We use a0 and a1 to pass initrd start and size.
+	*/
+	if (((uint) argc > 0) && ((uint)argv > 0)) {
+		my_initrd_start = (uint)argc;
+		my_initrd_size = (uint)argv;
+	}
+
+	/* First argv is ignored.
+	*/
+	prom_argc = 3;
+	prom_argv = csb_arg;
+	prom_envp = csb_env;
+	csb_arg[1] = arg1;
+	csb_arg[2] = arg2;
+	csb_env[0] = env1;
+
+	mips_machgroup = MACH_GROUP_ALCHEMY;
+	mips_machtype = MACH_CSB250;  
+
+	prom_init_cmdline();
+	memsize_str = prom_getenv("memsize");
+	if (!memsize_str) {
+		memsize = 0x02000000;
+	} else {
+		memsize = simple_strtol(memsize_str, NULL, 0);
+	}
+	add_memory_region(0, memsize, BOOT_MEM_RAM);
+	return 0;
+}
diff -Naur --exclude='*.orig' --exclude=CVS --exclude=.cvsignore --exclude='.#*' --exclude=README.Debian linux-2.4.22.clean/arch/mips/au1000/csb250/irqmap.c linux-2.4.22/arch/mips/au1000/csb250/irqmap.c
--- linux-2.4.22.clean/arch/mips/au1000/csb250/irqmap.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.4.22/arch/mips/au1000/csb250/irqmap.c	2003-09-08 02:05:46.000000000 +0200
@@ -0,0 +1,100 @@
+/*
+ * BRIEF MODULE DESCRIPTION
+ *	Au1xxx irq map table
+ *
+ * Copyright 2003 Embedded Edge, LLC
+ *		[e-mail]
+ *
+ *  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/errno.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/kernel_stat.h>
+#include <linux/module.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/timex.h>
+#include <linux/slab.h>
+#include <linux/random.h>
+#include <linux/delay.h>
+
+#include <asm/bitops.h>
+#include <asm/bootinfo.h>
+#include <asm/io.h>
+#include <asm/mipsregs.h>
+#include <asm/system.h>
+#include <asm/au1000.h>
+
+au1xxx_irq_map_t au1xxx_irq_map[] = {
+	{ AU1000_UART0_INT, INTC_INT_HIGH_LEVEL, 0},
+	{ AU1000_UART3_INT, INTC_INT_HIGH_LEVEL, 0},
+	{ AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0},
+	{ AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0},
+	{ AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0},
+	{ AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0},
+	{ AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0},
+	{ AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0},
+	{ AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0},
+	{ AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0},
+
+	{ AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0},
+	{ AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0},
+
+	{ AU1000_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
+	{ AU1000_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
+	{ AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0},
+
+	{ AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 },
+
+	{ AU1000_PCI_INTA, INTC_INT_LOW_LEVEL, 0 },
+	{ AU1000_PCI_INTB, INTC_INT_LOW_LEVEL, 0 },
+	{ AU1000_PCI_INTC, INTC_INT_LOW_LEVEL, 0 },
+	{ AU1000_PCI_INTD, INTC_INT_LOW_LEVEL, 0 },
+	{ AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 },
+	{ AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 },
+	{ AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 },
+	{ AU1500_GPIO_205, INTC_INT_LOW_LEVEL, 0 },
+	{ AU1500_GPIO_207, INTC_INT_LOW_LEVEL, 0 },
+
+	{ AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 },
+	{ AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 },
+	{ AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
+	{ AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
+	{ AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
+	{ AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 },
+	{ AU1000_USB_DEV_REQ_INT, INTC_INT_RISE_EDGE, 0 },
+	{ AU1000_RTC_INT, INTC_INT_RISE_EDGE, 0 },
+	{ AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
+	{ AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
+	{ AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
+
+	/* Careful if you change match 2 request!
+	 * The interrupt handler is called directly
+	 * from the low level dispatch code.
+	 */
+	{ AU1000_TOY_MATCH2_INT, INTC_INT_RISE_EDGE, 1 },
+};
+
+int au1xxx_nr_irqs = sizeof(au1xxx_irq_map)/sizeof(au1xxx_irq_map_t);
diff -Naur --exclude='*.orig' --exclude=CVS --exclude=.cvsignore --exclude='.#*' --exclude=README.Debian linux-2.4.22.clean/arch/mips/au1000/csb250/Makefile linux-2.4.22/arch/mips/au1000/csb250/Makefile
--- linux-2.4.22.clean/arch/mips/au1000/csb250/Makefile	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.4.22/arch/mips/au1000/csb250/Makefile	2003-09-08 02:05:46.000000000 +0200
@@ -0,0 +1,18 @@
+#
+#  Copyright 2002 Cogent Computer Systems
+#     	[e-mail]
+#
+# Makefile for the Cogent CSB250 Au1500 board.  Copied from Pb1500.
+#
+# Note! Dependencies are done automagically by 'make dep', which also
+# removes any old dependencies. DON'T put your own dependencies here
+# unless it's something special (ie not a .c file).
+#
+
+USE_STANDARD_AS_RULE := true
+
+O_TARGET := csb250.o
+
+obj-y := init.o board_setup.o irqmap.o
+
+include $(TOPDIR)/Rules.make
diff -Naur --exclude='*.orig' --exclude=CVS --exclude=.cvsignore --exclude='.#*' --exclude=README.Debian linux-2.4.22.clean/arch/mips/au1000/db1x00/board_setup.c linux-2.4.22/arch/mips/au1000/db1x00/board_setup.c
--- linux-2.4.22.clean/arch/mips/au1000/db1x00/board_setup.c	2003-08-25 13:44:39.000000000 +0200
+++ linux-2.4.22/arch/mips/au1000/db1x00/board_setup.c	2003-09-27 14:07:03.000000000 +0200
@@ -62,7 +62,7 @@
 	au_writel(pin_func, SYS_PINFUNC);
 #endif
 
-#if defined(CONFIG_IRDA) && (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1000))
+#if defined(CONFIG_IRDA) && (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100))
 	/* set IRFIRSEL instead of GPIO15 */
 	pin_func = au_readl(SYS_PINFUNC) | (u32)((1<<8));
 	au_writel(pin_func, SYS_PINFUNC);
diff -Naur --exclude='*.orig' --exclude=CVS --exclude=.cvsignore --exclude='.#*' --exclude=README.Debian linux-2.4.22.clean/arch/mips/boot/addinitrd.c linux-2.4.22/arch/mips/boot/addinitrd.c
--- linux-2.4.22.clean/arch/mips/boot/addinitrd.c	2002-11-29 00:53:09.000000000 +0100
+++ linux-2.4.22/arch/mips/boot/addinitrd.c	2003-09-21 03:08:49.000000000 +0200
@@ -2,6 +2,8 @@
  * addinitrd - program to add a initrd image to an ecoff kernel
  *
  * (C) 1999 Thomas Bogendoerfer
+ * minor modifications, cleanup: Guido Guenther <[e-mail]>
+ *
  */
 
 #include <sys/types.h>
@@ -54,7 +56,7 @@
 		exit (1);
 	}
 
-	if ((fd_vmlinux = open (argv[1],O_RDWR)) < 0)
+	if ((fd_vmlinux = open (argv[1],O_RDONLY)) < 0)
 		 die ("open vmlinux");
 	if (read (fd_vmlinux, &efile, sizeof efile) != sizeof efile)
 		die ("read file header");
@@ -78,6 +80,11 @@
 			swab = 1;
 	}
 
+	/* make sure we have an empty data segment for the initrd */
+	if( eaout.dsize || esecs[1].s_size ) {
+		fprintf(2,"Data segment not empty. Giving up!");
+		exit(1);
+	}
 	if ((fd_initrd = open (argv[2], O_RDONLY)) < 0)
 		die ("open initrd");
 	if (fstat (fd_initrd, &st) < 0)
diff -Naur --exclude='*.orig' --exclude=CVS --exclude=.cvsignore --exclude='.#*' --exclude=README.Debian linux-2.4.22.clean/arch/mips/boot/Makefile linux-2.4.22/arch/mips/boot/Makefile
--- linux-2.4.22.clean/arch/mips/boot/Makefile	2002-11-29 00:53:09.000000000 +0100
+++ linux-2.4.22/arch/mips/boot/Makefile	2003-09-27 14:07:03.000000000 +0200
@@ -24,7 +24,7 @@
 drop-sections	= .reginfo .mdebug
 strip-flags	= $(addprefix --remove-section=,$(drop-sections))
 
-all: vmlinux.ecoff addinitrd
+all: vmlinux.ecoff vmlinux.srec addinitrd