2006-01-13 17:19:58 +00:00
|
|
|
/*
|
2007-02-08 07:11:00 +00:00
|
|
|
* arch/powerpc/platforms/83xx/mpc834x_mds.c
|
2006-01-13 17:19:58 +00:00
|
|
|
*
|
2007-02-08 07:11:00 +00:00
|
|
|
* MPC834x MDS board specific routines
|
2006-01-13 17:19:58 +00:00
|
|
|
*
|
|
|
|
* Maintainer: Kumar Gala <galak@kernel.crashing.org>
|
|
|
|
*
|
|
|
|
* 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/stddef.h>
|
|
|
|
#include <linux/kernel.h>
|
|
|
|
#include <linux/init.h>
|
|
|
|
#include <linux/errno.h>
|
|
|
|
#include <linux/reboot.h>
|
|
|
|
#include <linux/pci.h>
|
|
|
|
#include <linux/kdev_t.h>
|
|
|
|
#include <linux/major.h>
|
|
|
|
#include <linux/console.h>
|
|
|
|
#include <linux/delay.h>
|
|
|
|
#include <linux/seq_file.h>
|
|
|
|
#include <linux/root_dev.h>
|
2007-12-13 17:19:05 +00:00
|
|
|
#include <linux/of_platform.h>
|
2006-01-13 17:19:58 +00:00
|
|
|
|
2011-07-26 23:09:06 +00:00
|
|
|
#include <linux/atomic.h>
|
2006-01-13 17:19:58 +00:00
|
|
|
#include <asm/time.h>
|
|
|
|
#include <asm/io.h>
|
|
|
|
#include <asm/machdep.h>
|
|
|
|
#include <asm/ipic.h>
|
|
|
|
#include <asm/irq.h>
|
|
|
|
#include <asm/prom.h>
|
|
|
|
#include <asm/udbg.h>
|
|
|
|
#include <sysdev/fsl_soc.h>
|
2008-06-26 17:07:57 +00:00
|
|
|
#include <sysdev/fsl_pci.h>
|
2006-01-13 17:19:58 +00:00
|
|
|
|
|
|
|
#include "mpc83xx.h"
|
|
|
|
|
2007-02-07 05:47:56 +00:00
|
|
|
#define BCSR5_INT_USB 0x02
|
2007-07-03 09:43:16 +00:00
|
|
|
static int mpc834xemds_usb_cfg(void)
|
2007-02-07 05:47:56 +00:00
|
|
|
{
|
2007-07-03 09:43:16 +00:00
|
|
|
struct device_node *np;
|
2007-02-07 05:47:56 +00:00
|
|
|
void __iomem *bcsr_regs = NULL;
|
|
|
|
u8 bcsr5;
|
|
|
|
|
2007-07-03 09:43:16 +00:00
|
|
|
mpc834x_usb_cfg();
|
2007-02-07 05:47:56 +00:00
|
|
|
/* Map BCSR area */
|
|
|
|
np = of_find_node_by_name(NULL, "bcsr");
|
2007-07-03 09:43:16 +00:00
|
|
|
if (np) {
|
2007-02-07 05:47:56 +00:00
|
|
|
struct resource res;
|
|
|
|
|
|
|
|
of_address_to_resource(np, 0, &res);
|
2011-06-09 16:13:32 +00:00
|
|
|
bcsr_regs = ioremap(res.start, resource_size(&res));
|
2007-02-07 05:47:56 +00:00
|
|
|
of_node_put(np);
|
|
|
|
}
|
|
|
|
if (!bcsr_regs)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
/*
|
2007-03-06 09:11:06 +00:00
|
|
|
* if Processor Board is plugged into PIB board,
|
|
|
|
* force to use the PHY on Processor Board
|
2007-02-07 05:47:56 +00:00
|
|
|
*/
|
|
|
|
bcsr5 = in_8(bcsr_regs + 5);
|
|
|
|
if (!(bcsr5 & BCSR5_INT_USB))
|
|
|
|
out_8(bcsr_regs + 5, (bcsr5 | BCSR5_INT_USB));
|
|
|
|
iounmap(bcsr_regs);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2006-01-13 17:19:58 +00:00
|
|
|
/* ************************************************************************
|
|
|
|
*
|
|
|
|
* Setup the architecture
|
|
|
|
*
|
|
|
|
*/
|
2007-02-08 07:11:00 +00:00
|
|
|
static void __init mpc834x_mds_setup_arch(void)
|
2006-01-13 17:19:58 +00:00
|
|
|
{
|
2016-08-23 02:06:58 +00:00
|
|
|
mpc83xx_setup_arch();
|
2006-01-13 17:19:58 +00:00
|
|
|
|
2007-07-03 09:43:16 +00:00
|
|
|
mpc834xemds_usb_cfg();
|
2006-01-13 17:19:58 +00:00
|
|
|
}
|
|
|
|
|
2011-11-17 14:48:47 +00:00
|
|
|
machine_device_initcall(mpc834x_mds, mpc83xx_declare_of_platform_devices);
|
2007-12-13 17:19:05 +00:00
|
|
|
|
2006-03-31 05:39:57 +00:00
|
|
|
/*
|
|
|
|
* Called very early, MMU is off, device-tree isn't unflattened
|
|
|
|
*/
|
2007-02-08 07:11:00 +00:00
|
|
|
static int __init mpc834x_mds_probe(void)
|
2006-01-13 17:19:58 +00:00
|
|
|
{
|
2016-07-05 05:04:05 +00:00
|
|
|
return of_machine_is_compatible("MPC834xMDS");
|
2006-01-13 17:19:58 +00:00
|
|
|
}
|
2006-03-31 05:39:57 +00:00
|
|
|
|
2007-02-08 07:11:00 +00:00
|
|
|
define_machine(mpc834x_mds) {
|
|
|
|
.name = "MPC834x MDS",
|
|
|
|
.probe = mpc834x_mds_probe,
|
|
|
|
.setup_arch = mpc834x_mds_setup_arch,
|
2011-07-22 19:55:42 +00:00
|
|
|
.init_IRQ = mpc83xx_ipic_init_IRQ,
|
2006-03-31 05:39:57 +00:00
|
|
|
.get_irq = ipic_get_irq,
|
|
|
|
.restart = mpc83xx_restart,
|
|
|
|
.time_init = mpc83xx_time_init,
|
|
|
|
.calibrate_decr = generic_calibrate_decr,
|
|
|
|
.progress = udbg_progress,
|
|
|
|
};
|