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/*
* Copyright 2008 Freescale Semiconductor, Inc.
*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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
*/
#include <common.h>
#include <asm/fsl_law.h>
#include <asm/io.h>
#define LAWAR_EN 0x80000000
#define FSL_HW_NUM_LAWS 10 /* number of LAWs in the hw implementation */
void set_law(u8 idx, phys_addr_t addr, enum law_size sz, enum law_trgt_if id)
{
volatile u32 *base = (volatile u32 *)(CFG_IMMR + 0xc08);
volatile u32 *lawbar = base + 8 * idx;
volatile u32 *lawar = base + 8 * idx + 2;
out_be32(lawbar, addr >> 12);
out_be32(lawar, LAWAR_EN | ((u32)id << 20) | (u32)sz);
return ;
}
void disable_law(u8 idx)
{
volatile u32 *base = (volatile u32 *)(CFG_IMMR + 0xc08);
volatile u32 *lawbar = base + 8 * idx;
volatile u32 *lawar = base + 8 * idx + 2;
out_be32(lawar, 0);
out_be32(lawbar, 0);
return;
}
void print_laws(void)
{
volatile u32 *base = (volatile u32 *)(CFG_IMMR + 0xc08);
volatile u32 *lawbar = base;
volatile u32 *lawar = base + 2;
int i;
printf("\nLocal Access Window Configuration\n");
for(i = 0; i < FSL_HW_NUM_LAWS; i++) {
printf("\tLAWBAR%d : 0x%08x, LAWAR%d : 0x%08x\n",
i, in_be32(lawbar), i, in_be32(lawar));
lawbar += 8;
lawar += 8;
}
return;
}
void init_laws(void)
{
int i;
u8 law_idx = 0;
for (i = 0; i < num_law_entries; i++) {
if (law_table[i].index != -1)
law_idx = law_table[i].index;
set_law(law_idx++, law_table[i].addr,
law_table[i].size, law_table[i].trgt_id);
}
return ;
}
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