diff options
Diffstat (limited to 'arch/mips/alchemy/gpr/init.c')
-rw-r--r-- | arch/mips/alchemy/gpr/init.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/mips/alchemy/gpr/init.c b/arch/mips/alchemy/gpr/init.c new file mode 100644 index 00000000000..f044f4c541d --- /dev/null +++ b/arch/mips/alchemy/gpr/init.c @@ -0,0 +1,63 @@ +/* + * Copyright 2010 Wolfgang Grandegger <wg@denx.de> + * + * Copyright 2003, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@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/init.h> +#include <linux/kernel.h> + +#include <asm/bootinfo.h> +#include <asm/mach-au1x00/au1000.h> + +#include <prom.h> + +const char *get_system_type(void) +{ + return "GPR"; +} + +void __init prom_init(void) +{ + unsigned char *memsize_str; + unsigned long memsize; + + prom_argc = fw_arg0; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; + + prom_init_cmdline(); + + memsize_str = prom_getenv("memsize"); + if (!memsize_str) + memsize = 0x04000000; + else + strict_strtoul(memsize_str, 0, &memsize); + add_memory_region(0, memsize, BOOT_MEM_RAM); +} + +void prom_putchar(unsigned char c) +{ + alchemy_uart_putchar(UART0_PHYS_ADDR, c); +} |