patch-2.4.19 linux-2.4.19/arch/mips/galileo-boards/ev64120/setup.c

• Lines: 189
• Date: Fri Aug 2 17:39:43 2002
• Orig file: linux-2.4.18/arch/mips/galileo-boards/ev64120/setup.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/arch/mips/galileo-boards/ev64120/setup.c linux-2.4.19/arch/mips/galileo-boards/ev64120/setup.c
@@ -0,0 +1,188 @@
+/*
+ * setup.c
+ *
+ * BRIEF MODULE DESCRIPTION
+ * Galileo Evaluation Boards - board dependent boot routines
+ *
+ * Copyright (C) 2000 RidgeRun, Inc.
+ * Author: RidgeRun, Inc.
+ *   glonnon@ridgerun.com, skranz@ridgerun.com, stevej@ridgerun.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/kernel.h>
+#include <linux/types.h>
+#include <linux/mm.h>
+#include <linux/swap.h>
+#include <linux/ioport.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/timex.h>
+#include <asm/bootinfo.h>
+#include <asm/page.h>
+#include <asm/bootinfo.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/pci.h>
+#include <asm/processor.h>
+#include <asm/ptrace.h>
+#include <asm/reboot.h>
+#include <asm/mc146818rtc.h>
+#include <asm/traps.h>
+#include <linux/version.h>
+#include <linux/bootmem.h>
+
+extern struct rtc_ops no_rtc_ops;
+
+/* These functions are used for rebooting or halting the machine*/
+extern void galileo_machine_restart(char *command);
+extern void galileo_machine_halt(void);
+extern void galileo_machine_power_off(void);
+/* 
+ *This structure holds pointers to the pci configuration space accesses
+ *and interrupts allocating routine for device over the PCI
+ */
+extern struct pci_ops galileo_pci_ops;
+
+extern unsigned long mips_machgroup;
+
+char arcs_cmdline[CL_SIZE] = { "console=ttyS0,115200 "
+	    "root=/dev/nfs rw nfsroot=192.168.1.1:/mnt/disk2/fs.gal "
+	    "ip=192.168.1.211:192.168.1.1:::gt::"
+};
+
+//struct eeprom_parameters eeprom_param;
+
+/*
+ * This function is added because arch/mips/mm/init.c needs it
+ * basically it does nothing
+ */
+void prom_free_prom_memory(void)
+{
+}
+
+extern void (*board_time_init) (struct irqaction * irq);
+
+static unsigned char galileo_rtc_read_data(unsigned long addr)
+{
+	return 0;
+}
+
+static void galileo_rtc_write_data(unsigned char data, unsigned long addr)
+{
+}
+
+static int galileo_rtc_bcd_mode(void)
+{
+	return 0;
+}
+
+struct rtc_ops galileo_rtc_ops = {
+	&galileo_rtc_read_data,
+	&galileo_rtc_write_data,
+	&galileo_rtc_bcd_mode
+};
+
+
+void __init bus_error_init(void) { /* nothing */ }
+
+
+/********************************************************************
+ *ev64120_setup -
+ *
+ *Initializes basic routines and structures pointers, memory size (as
+ *given by the bios and saves the command line.
+ *
+ *
+ *Inputs :
+ *
+ *Outpus :
+ *
+ *********************************************************************/
+extern void galileo_time_init();
+void ev64120_setup(void)
+{
+	unsigned int i, j;
+
+	//printk(KERN_INFO "ev64120_setup\n");
+
+	_machine_restart = galileo_machine_restart;
+	_machine_halt = galileo_machine_halt;
+	_machine_power_off = galileo_machine_power_off;
+
+	rtc_ops = &galileo_rtc_ops;
+
+	board_time_init = galileo_time_init;
+	set_io_port_base(KSEG1);
+
+#ifdef CONFIG_L2_L3_CACHE
+#error "external cache not implemented yet"
+	config_register = read_32bit_cp0_register(CP0_CONFIG);
+	printk("\n\n\nchecking second level cache cp0_config = %08lx\n",
+	       config_register);
+	if (config_register & CONF_SC) {	// second/third level cache available
+		config_register = config_register & (1 << 12);
+		write_32bit_cp0_register(CP0_CONFIG, config_register);
+		printk
+		    ("\n\n\nchecking second level cache cp0_config = %08lx\n",
+		     config_register);
+	}
+#endif
+
+}
+
+const char *get_system_type(void)
+{
+	return "Galileo EV64120A";
+}
+
+/*
+ * SetUpBootInfo -
+ *
+ * This function is called at very first stages of kernel startup.
+ * It specifies for the kernel the evaluation board that the linux
+ * is running on. Then it saves the eprom parameters that holds the
+ * command line, memory size etc...
+ *
+ * Inputs :
+ * argc - nothing
+ * argv - holds a pointer to the eprom parameters
+ * envp - nothing
+ */
+
+void SetUpBootInfo(int argc, char **argv, char **envp)
+{
+	mips_machgroup = MACH_GROUP_GALILEO;
+	mips_machtype = MACH_EV64120A;
+}
+
+void __init prom_init(int a, char **b, char **c, int *d)
+{
+	unsigned long free_start, free_end, start_pfn, bootmap_size;
+
+	mips_machgroup = MACH_GROUP_GALILEO;
+	add_memory_region(0, 32 << 20, BOOT_MEM_RAM);
+}