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/*
* Copyright 2001 MontaVista Software Inc.
* Author: jsun@mvista.com or jsun@junsun.net
*
* 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.
*/
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/bootmem.h>
#include <asm/addrspace.h>
#include <asm/bootinfo.h>
#define PLD_BASE 0xbc000000
#define REV 0x0 /* Board Assembly Revision */
#define PLD1ID 0x1 /* PLD 1 ID */
#define PLD2ID 0x2 /* PLD 2 ID */
#define RESET_STAT 0x3 /* Reset Status Register */
#define BOARD_STAT 0x4 /* Board Status Register */
#define CPCI_ID 0x5 /* Compact PCI ID Register */
#define CONTROL 0x8 /* Control Register */
#define CPU_EEPROM 0x9 /* CPU Configuration EEPROM Register */
#define INTMASK 0xA /* Interrupt Mask Register */
#define INTSTAT 0xB /* Interrupt Status Register */
#define INTSET 0xC /* Interrupt Set Register */
#define INTCLR 0xD /* Interrupt Clear Register */
#define PLD_REG(x) ((uint8_t*)(PLD_BASE+(x)))
char arcs_cmdline[COMMAND_LINE_SIZE];
/* [jsun@junsun.net] PMON passes arguments in C main() style */
void __init prom_init(int argc, const char **arg)
{
int i;
/* arg[0] is "g", the rest is boot parameters */
arcs_cmdline[0] = '\0';
for (i = 1; i < argc; i++) {
if (strlen(arcs_cmdline) + strlen(arg[i] + 1)
>= sizeof(arcs_cmdline))
break;
strcat(arcs_cmdline, arg[i]);
strcat(arcs_cmdline, " ");
}
mips_machgroup = MACH_GROUP_MOMENCO;
mips_machtype = MACH_MOMENCO_OCELOT;
/* turn off the Bit Error LED, which comes on automatically
* at power-up reset */
*PLD_REG(INTCLR) = 0x80;
/* All the boards have at least 64MiB. If there's more, we
detect and register it later */
add_memory_region(0, 64 << 20, BOOT_MEM_RAM);
}
void __init prom_free_prom_memory(void)
{
}
void __init prom_fixup_mem_map(unsigned long start, unsigned long end)
{
}
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