prom.c

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/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2008 Maxime Bizon <[email protected]>
 */

#include <linux/init.h>
#include <linux/bootmem.h>
#include <asm/bootinfo.h>
#include <bcm63xx_board.h>
#include <bcm63xx_cpu.h>
#include <bcm63xx_io.h>
#include <bcm63xx_regs.h>
#include <bcm63xx_gpio.h>

void __init prom_init(void)
{
    u32 reg, mask;

    bcm63xx_cpu_init();

    /* stop any running watchdog */
    bcm_wdt_writel(WDT_STOP_1, WDT_CTL_REG);
    bcm_wdt_writel(WDT_STOP_2, WDT_CTL_REG);

    /* disable all hardware blocks clock for now */
    if (BCMCPU_IS_6328())
        mask = CKCTL_6328_ALL_SAFE_EN;
    else if (BCMCPU_IS_6338())
        mask = CKCTL_6338_ALL_SAFE_EN;
    else if (BCMCPU_IS_6345())
        mask = CKCTL_6345_ALL_SAFE_EN;
    else if (BCMCPU_IS_6348())
        mask = CKCTL_6348_ALL_SAFE_EN;
    else if (BCMCPU_IS_6358())
        mask = CKCTL_6358_ALL_SAFE_EN;
    else if (BCMCPU_IS_6368())
        mask = CKCTL_6368_ALL_SAFE_EN;
    else
        mask = 0;

    reg = bcm_perf_readl(PERF_CKCTL_REG);
    reg &= ~mask;
    bcm_perf_writel(reg, PERF_CKCTL_REG);

    /* register gpiochip */
    bcm63xx_gpio_init();

    /* do low level board init */
    board_prom_init();
}

void __init prom_free_prom_memory(void)
{
}