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openwrt-xburst/target/linux/amazon-2.6/files/arch/mips/amazon/prom.c
blogic e2133d3ce6 initial merge of infineon code for amazon, pci is still broken a bit. a big thank you goes to infineon for providing info and reference code
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8137 3c298f89-4303-0410-b956-a3cf2f4a3e73
2007-07-23 22:10:11 +00:00

62 lines
1.2 KiB
C

/*
* 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_ASC_FSTAT) >> 8) != 0x00) ;
/* Crude cr/nl handling is better than none */
if(c == '\n')
*AMAZON_ASC_TBUF=('\r');
*AMAZON_ASC_TBUF=(c);
}
void prom_printf(const char * fmt, ...)
{
va_list args;
int l;
char *p, *buf_end;
char buf[1024];
va_start(args, fmt);
l = vsprintf(buf, fmt, args); /* hopefully i < sizeof(buf) */
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;
}