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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* arch/powerpc/platforms/83xx/mpc837x_rdb.c
*
* Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
*
* MPC837x RDB board specific routines
*/
#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 __init 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,
.discover_phbs = mpc83xx_setup_pci,
.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,
};
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