87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
|
/*
|
||
|
|
* arch/powerpc/platforms/83xx/mpc837x_rdb.c
|
||
|
|
*
|
||
|
|
* Copyright (C) 2007 Freescale Semiconductor, 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)
|
||
|
|
{
|
||
|
|
mpc83xx_setup_arch();
|
||
|
|
mpc837x_usb_cfg();
|
||
|
|
mpc837x_rdb_sd_cfg();
|
||
|
|
}
|
||
|
|
|
||
|
|
machine_device_initcall(mpc837x_rdb, mpc83xx_declare_of_platform_devices);
|
||
|
|
|
||
|
|
static const char * const board[] __initconst = {
|
||
|
|
"fsl,mpc8377rdb",
|
||
|
|
"fsl,mpc8378rdb",
|
||
|
|
"fsl,mpc8379rdb",
|
||
|
|
"fsl,mpc8377wlan",
|
||
|
|
NULL
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Called very early, MMU is off, device-tree isn't unflattened
|
||
|
|
*/
|
||
|
|
static int __init mpc837x_rdb_probe(void)
|
||
|
|
{
|
||
|
|
return of_device_compatible_match(of_root, board);
|
||
|
|
}
|
||
|
|
|
||
|
|
define_machine(mpc837x_rdb) {
|
||
|
|
.name = "MPC837x RDB/WLAN",
|
||
|
|
.probe = mpc837x_rdb_probe,
|
||
|
|
.setup_arch = mpc837x_rdb_setup_arch,
|
||
|
|
.init_IRQ = mpc83xx_ipic_init_IRQ,
|
||
|
|
.get_irq = ipic_get_irq,
|
||
|
|
.restart = mpc83xx_restart,
|
||
|
|
.time_init = mpc83xx_time_init,
|
||
|
|
.calibrate_decr = generic_calibrate_decr,
|
||
|
|
.progress = udbg_progress,
|
||
|
|
};
|