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/*
* arch/powerpc/platforms/83xx/mpc837x_rdb.c
*
* Copyright (C) 2007 Freescale Semicondutor, Inc. All rights reserved.
*
* MPC837x RDB board specific routines
*
* 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/pci.h>
#include <linux/of_platform.h>
#include <asm/time.h>
#include <asm/ipic.h>
#include <asm/udbg.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
#include "mpc83xx.h"
static void mpc837x_rdb_sd_cfg(void)
{
void __iomem *im;
im = ioremap(get_immrbase(), 0x1000);
if (!im) {
WARN_ON(1);
return;
}
/*
* On RDB boards (in contrast to MDS) USBB pins are used for SD only,
* so we can safely mux them away from the USB block.
*/
clrsetbits_be32(im + MPC83XX_SICRL_OFFS, MPC837X_SICRL_USBB_MASK,
MPC837X_SICRL_SD);
clrsetbits_be32(im + MPC83XX_SICRH_OFFS, MPC837X_SICRH_SPI_MASK,
MPC837X_SICRH_SD);
iounmap(im);
}
/* ************************************************************************
*
* Setup the architecture
*
*/
static void __init mpc837x_rdb_setup_arch(void)
{
#ifdef CONFIG_PCI
struct device_node *np;
#endif
if (ppc_md.progress)
ppc_md.progress("mpc837x_rdb_setup_arch()", 0);
#ifdef CONFIG_PCI
for_each_compatible_node(np, "pci", "fsl,mpc8349-pci")
mpc83xx_add_bridge(np);
for_each_compatible_node(np, "pci", "fsl,mpc8314-pcie")
mpc83xx_add_bridge(np);
#endif
mpc837x_usb_cfg();
mpc837x_rdb_sd_cfg();
}
static struct of_device_id mpc837x_ids[] = {
{ .type = "soc", },
{ .compatible = "soc", },
{ .compatible = "simple-bus", },
{ .compatible = "gianfar", },
{},
};
static int __init mpc837x_declare_of_platform_devices(void)
{
/* Publish of_device */
of_platform_bus_probe(NULL, mpc837x_ids, NULL);
return 0;
}
machine_device_initcall(mpc837x_rdb, mpc837x_declare_of_platform_devices);
static void __init mpc837x_rdb_init_IRQ(void)
{
struct device_node *np;
np = of_find_compatible_node(NULL, NULL, "fsl,ipic");
if (!np)
return;
ipic_init(np, 0);
/* Initialize the default interrupt mapping priorities,
* in case the boot rom changed something on us.
*/
ipic_set_default_priority();
}
/*
* Called very early, MMU is off, device-tree isn't unflattened
*/
static int __init mpc837x_rdb_probe(void)
{
unsigned long root = of_get_flat_dt_root();
return of_flat_dt_is_compatible(root, "fsl,mpc8377rdb") ||
of_flat_dt_is_compatible(root, "fsl,mpc8378rdb") ||
of_flat_dt_is_compatible(root, "fsl,mpc8379rdb") ||
of_flat_dt_is_compatible(root, "fsl,mpc8377wlan");
}
define_machine(mpc837x_rdb) {
.name = "MPC837x RDB/WLAN",
.probe = mpc837x_rdb_probe,
.setup_arch = mpc837x_rdb_setup_arch,
.init_IRQ = mpc837x_rdb_init_IRQ,
.get_irq = ipic_get_irq,
.restart = mpc83xx_restart,
.time_init = mpc83xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};
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