| /* |
| * Common code used by all Alchemy develboards. |
| * |
| * Extracted from files which had this to say: |
| * |
| * Copyright 2000, 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> |
| |
| #if defined(CONFIG_MIPS_PB1000) || defined(CONFIG_MIPS_DB1000) || \ |
| defined(CONFIG_MIPS_PB1100) || defined(CONFIG_MIPS_DB1100) || \ |
| defined(CONFIG_MIPS_PB1500) || defined(CONFIG_MIPS_DB1500) || \ |
| defined(CONFIG_MIPS_BOSPORUS) || defined(CONFIG_MIPS_MIRAGE) |
| #define ALCHEMY_BOARD_DEFAULT_MEMSIZE 0x04000000 |
| |
| #else /* Au1550/Au1200-based develboards */ |
| #define ALCHEMY_BOARD_DEFAULT_MEMSIZE 0x08000000 |
| #endif |
| |
| void __init prom_init(void) |
| { |
| unsigned char *memsize_str; |
| unsigned long memsize; |
| |
| prom_argc = (int)fw_arg0; |
| prom_argv = (char **)fw_arg1; |
| prom_envp = (char **)fw_arg2; |
| |
| prom_init_cmdline(); |
| memsize_str = prom_getenv("memsize"); |
| if (!memsize_str || strict_strtoul(memsize_str, 0, &memsize)) |
| memsize = ALCHEMY_BOARD_DEFAULT_MEMSIZE; |
| |
| add_memory_region(0, memsize, BOOT_MEM_RAM); |
| } |
| |
| void prom_putchar(unsigned char c) |
| { |
| alchemy_uart_putchar(UART0_PHYS_ADDR, c); |
| } |