75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
/*
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* arch/mips/ifxmips/prom.c
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*
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* Copyright (C) 2005 Wu Qi Ming infineon
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*
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* Rewrite of Infineon IFXMips code, thanks to infineon for the support,
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* software and hardware
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*
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* Copyright (C) 2007 John Crispin <blogic@openwrt.org>
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*
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*/
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#include <linux/init.h>
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#include <linux/bootmem.h>
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#include <asm/bootinfo.h>
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#include <asm/ifxmips/ifxmips.h>
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static char buf[1024];
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void
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prom_free_prom_memory (void)
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{
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}
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void
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prom_putchar (char c)
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{
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while ((ifxmips_r32(IFXMIPS_ASC1_FSTAT) & ASCFSTAT_TXFFLMASK) >> ASCFSTAT_TXFFLOFF);
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if (c == '\n')
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ifxmips_w32('\r', IFXMIPS_ASC1_TBUF);
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ifxmips_w32(c, IFXMIPS_ASC1_TBUF);
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}
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void
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prom_printf (const char * fmt, ...)
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{
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va_list args;
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int l;
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char *p, *buf_end;
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va_start(args, fmt);
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l = vsprintf(buf, fmt, args);
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va_end(args);
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buf_end = buf + l;
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for (p = buf; p < buf_end; p++)
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{
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prom_putchar(*p);
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}
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}
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void __init
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prom_init(void)
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{
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mips_machtype = MACH_INFINEON_IFXMIPS;
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strcpy(&(arcs_cmdline[0]), "console=ttyS0,115200 rootfstype=squashfs,jffs2 init=/etc/preinit");
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add_memory_region (0x00000000, 0x2000000, BOOT_MEM_RAM);
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}
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