Alchemy support. Done by Pete and further hacked up a bit by me ...

1 files changed, 117 insertions, 0 deletions

diff --git a/arch/mips/au1000/pb1000/setup.c b/arch/mips/au1000/pb1000/setup.c
new file mode 100644
index 000000000..aaa80694f
--- /dev/null
+++ b/arch/mips/au1000/pb1000/setup.c
@@ -0,0 +1,117 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *	Au1000-based board setup.
+ *
+ * Copyright 2000 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ *         	ppopov@mvista.com or support@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/console.h>
+#include <linux/mc146818rtc.h>
+
+#include <asm/cpu.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/mipsregs.h>
+#include <asm/reboot.h>
+#include <asm/au1000.h>
+
+#if defined(CONFIG_AU1000_SERIAL_CONSOLE)
+extern void console_setup(char *, int *);
+char serial_console[20];
+#endif
+
+void (*__wbflush) (void);
+extern struct rtc_ops no_rtc_ops;
+extern char * __init prom_getcmdline(void);
+extern void au1000_restart(void);
+extern void au1000_halt(void);
+extern void au1000_power_off(void);
+
+struct {
+    struct resource ram;
+    struct resource io;
+    struct resource sram;
+    struct resource flash;
+    struct resource boot;
+    struct resource pcmcia;
+    struct resource lcd;
+} au1000_resources = {
+    { "RAM",           0,          0x3FFFFFF,  IORESOURCE_MEM },
+    { "I/O",           0x10000000, 0x119FFFFF                 },
+    { "SRAM",          0x1e000000, 0x1E03FFFF                 },
+    { "System Flash",  0x1F800000, 0x1FBFFFFF                 },
+    { "Boot ROM",      0x1FC00000, 0x1FFFFFFF                 },
+    { "PCMCIA",        0x20000000, 0x27FFFFFF                 },
+    { "LCD",           0x60000000, 0x603FFFFF                 },
+};
+
+void au1000_wbflush(void)
+{
+	__asm__ volatile ("sync");
+}
+
+void __init au1000_setup(void)
+{
+	char *argptr;
+
+	argptr = prom_getcmdline();
+
+#ifdef CONFIG_AU1000_SERIAL_CONSOLE
+	if ((argptr = strstr(argptr, "console=ttyS0")) == NULL) {
+		argptr = prom_getcmdline();
+		strcat(argptr, " console=ttyS0,115200");
+	}
+#endif	  
+
+	//set_cp0_status(ST0_FR,0);
+	rtc_ops = &no_rtc_ops;
+        __wbflush = au1000_wbflush;
+	_machine_restart = au1000_restart;
+	_machine_halt = au1000_halt;
+	_machine_power_off = au1000_power_off;
+
+	/*
+	 * IO/MEM resources. 
+	 */
+	mips_io_port_base = KSEG1;
+	ioport_resource.start = au1000_resources.io.start;
+	ioport_resource.end = au1000_resources.lcd.end;
+
+#ifdef CONFIG_BLK_DEV_INITRD
+	ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
+#endif
+
+	outl(PC_CNTRL_E0 | PC_CNTRL_EN0 | PC_CNTRL_EN0, PC_COUNTER_CNTRL);
+	while (inl(PC_COUNTER_CNTRL) & PC_CNTRL_T0S);
+	outl(0x8000-1, PC0_TRIM);
+
+	printk("Alchemy Semi PB1000 Board\n");
+	printk("Au1000/PB1000 port (C) 2001 MontaVista Software, Inc. (source@mvista.com)\n");
+}
+