1 files changed, 77 insertions, 0 deletions
diff --git a/target/linux/amazon/files/arch/mips/amazon/prom.c b/target/linux/amazon/files/arch/mips/amazon/prom.c
new file mode 100644
index 0000000000..2947473ad0
--- /dev/null
+++ b/target/linux/amazon/files/arch/mips/amazon/prom.c
@@ -0,0 +1,77 @@
+/*
+ *   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 program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *   Copyright 2007 John Crispin <blogic@openwrt.org> 
+ */
+
+#include <linux/init.h>
+#include <linux/string.h>
+#include <linux/ctype.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/bootmem.h>
+#include <linux/ioport.h>
+#include <asm/bootinfo.h>
+#include <asm/amazon/amazon.h>
+#include <asm/amazon/irq.h>
+#include <asm/amazon/model.h>
+#include <asm/cpu.h>
+
+void prom_putchar(char c)
+{
+	/* Wait for FIFO to empty */
+	while ((amazon_readl(AMAZON_ASC_FSTAT) >> 8) != 0x00) ;
+	/* Crude cr/nl handling is better than none */
+	if(c == '\n')
+		amazon_writel('\r', AMAZON_ASC_TBUF);
+	amazon_writel(c, AMAZON_ASC_TBUF);
+}
+
+void prom_printf(const char * fmt, ...)
+{
+	va_list args;
+	int l;
+	char *p, *buf_end;
+	char buf[1024];	
+
+	va_start(args, fmt);
+	/* FIXME - hopefully i < sizeof(buf) */
+	l = vsprintf(buf, fmt, args); 
+	va_end(args);
+	buf_end = buf + l;
+	
+	for (p = buf; p < buf_end; p++)
+		prom_putchar(*p);
+}
+
+
+void __init prom_init(void)
+{
+	mips_machgroup = MACH_GROUP_INFINEON;
+	mips_machtype = MACH_INFINEON_AMAZON;
+
+	strcpy(&(arcs_cmdline[0]), "console=ttyS0,115200 rootfstype=squashfs,jffs2 init=/etc/preinit");
+	
+	add_memory_region(0x00000000, 0x1000000, BOOT_MEM_RAM);
+}
+
+void prom_free_prom_memory(void)
+{
+}
+
+const char *get_system_type(void)
+{
+	return BOARD_SYSTEM_TYPE;
+}