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/*
* 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_DB1000) || \
defined(CONFIG_MIPS_PB1100) || \
defined(CONFIG_MIPS_PB1500)
#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)
{
#ifdef CONFIG_MIPS_DB1300
alchemy_uart_putchar(AU1300_UART2_PHYS_ADDR, c);
#else
alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c);
#endif
}
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