116 lines
2.7 KiB
C
116 lines
2.7 KiB
C
|
/*
|
||
|
|
* Copyright 2006 Freescale Semiconductor, Inc. All rights reserved.
|
||
|
|
*
|
||
|
|
* Description:
|
||
|
|
* MPC832xE MDS 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/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>
|
||
|
|
#include <linux/initrd.h>
|
||
|
|
#include <linux/of_platform.h>
|
||
|
|
#include <linux/of_device.h>
|
||
|
|
|
||
|
|
#include <linux/atomic.h>
|
||
|
|
#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>
|
||
|
|
#include <sysdev/fsl_pci.h>
|
||
|
|
#include <soc/fsl/qe/qe.h>
|
||
|
|
#include <soc/fsl/qe/qe_ic.h>
|
||
|
|
|
||
|
|
#include "mpc83xx.h"
|
||
|
|
|
||
|
|
#undef DEBUG
|
||
|
|
#ifdef DEBUG
|
||
|
|
#define DBG(fmt...) udbg_printf(fmt)
|
||
|
|
#else
|
||
|
|
#define DBG(fmt...)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* ************************************************************************
|
||
|
|
*
|
||
|
|
* Setup the architecture
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
static void __init mpc832x_sys_setup_arch(void)
|
||
|
|
{
|
||
|
|
struct device_node *np;
|
||
|
|
u8 __iomem *bcsr_regs = NULL;
|
||
|
|
|
||
|
|
mpc83xx_setup_arch();
|
||
|
|
|
||
|
|
/* Map BCSR area */
|
||
|
|
np = of_find_node_by_name(NULL, "bcsr");
|
||
|
|
if (np) {
|
||
|
|
struct resource res;
|
||
|
|
|
||
|
|
of_address_to_resource(np, 0, &res);
|
||
|
|
bcsr_regs = ioremap(res.start, resource_size(&res));
|
||
|
|
of_node_put(np);
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef CONFIG_QUICC_ENGINE
|
||
|
|
if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) {
|
||
|
|
par_io_init(np);
|
||
|
|
of_node_put(np);
|
||
|
|
|
||
|
|
for (np = NULL; (np = of_find_node_by_name(np, "ucc")) != NULL;)
|
||
|
|
par_io_of_config(np);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((np = of_find_compatible_node(NULL, "network", "ucc_geth"))
|
||
|
|
!= NULL){
|
||
|
|
/* Reset the Ethernet PHYs */
|
||
|
|
#define BCSR8_FETH_RST 0x50
|
||
|
|
clrbits8(&bcsr_regs[8], BCSR8_FETH_RST);
|
||
|
|
udelay(1000);
|
||
|
|
setbits8(&bcsr_regs[8], BCSR8_FETH_RST);
|
||
|
|
iounmap(bcsr_regs);
|
||
|
|
of_node_put(np);
|
||
|
|
}
|
||
|
|
#endif /* CONFIG_QUICC_ENGINE */
|
||
|
|
}
|
||
|
|
|
||
|
|
machine_device_initcall(mpc832x_mds, mpc83xx_declare_of_platform_devices);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Called very early, MMU is off, device-tree isn't unflattened
|
||
|
|
*/
|
||
|
|
static int __init mpc832x_sys_probe(void)
|
||
|
|
{
|
||
|
|
return of_machine_is_compatible("MPC832xMDS");
|
||
|
|
}
|
||
|
|
|
||
|
|
define_machine(mpc832x_mds) {
|
||
|
|
.name = "MPC832x MDS",
|
||
|
|
.probe = mpc832x_sys_probe,
|
||
|
|
.setup_arch = mpc832x_sys_setup_arch,
|
||
|
|
.init_IRQ = mpc83xx_ipic_and_qe_init_IRQ,
|
||
|
|
.get_irq = ipic_get_irq,
|
||
|
|
.restart = mpc83xx_restart,
|
||
|
|
.time_init = mpc83xx_time_init,
|
||
|
|
.calibrate_decr = generic_calibrate_decr,
|
||
|
|
.progress = udbg_progress,
|
||
|
|
};
|