diff options
Diffstat (limited to 'target/linux/ifxmips/files/arch/mips/danube/prom.c')
| -rw-r--r-- | target/linux/ifxmips/files/arch/mips/danube/prom.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/target/linux/ifxmips/files/arch/mips/danube/prom.c b/target/linux/ifxmips/files/arch/mips/danube/prom.c new file mode 100644 index 0000000000..efb06120ef --- /dev/null +++ b/target/linux/ifxmips/files/arch/mips/danube/prom.c @@ -0,0 +1,81 @@ +/* + * arch/mips/danube/prom.c + * + * 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 (C) 2005 Wu Qi Ming infineon + * + * Rewrite of Infineon Danube code, thanks to infineon for the support, + * software and hardware + * + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + * + */ + +#include <linux/init.h> +#include <linux/bootmem.h> +#include <asm/bootinfo.h> +#include <asm/danube/danube.h> + +static char buf[1024]; + +void +prom_free_prom_memory (void) +{ +} + +const char * +get_system_type (void) +{ + return BOARD_SYSTEM_TYPE; +} + +void +prom_putchar (char c) +{ + while ((readl(DANUBE_ASC1_FSTAT) & ASCFSTAT_TXFFLMASK) >> ASCFSTAT_TXFFLOFF); + + if (c == '\n') + writel('\r', DANUBE_ASC1_TBUF); + writel(c, DANUBE_ASC1_TBUF); +} + +void +prom_printf (const char * fmt, ...) +{ + va_list args; + int l; + char *p, *buf_end; + + va_start(args, fmt); + 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_DANUBE; + mips_machtype = MACH_INFINEON_DANUBE; + + strcpy(&(arcs_cmdline[0]), "console=ttyS0,115200 rootfstype=squashfs,jffs2 init=/etc/preinit"); + add_memory_region (0x00000000, 0x2000000, BOOT_MEM_RAM); +} |