mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 22:53:55 +08:00
93173ce272
This patch creates a common system reset routine for all 40x and 44x systems. Previously only a 44x routine existed. But since this system reset via the debug control register is common for 40x and 44x let's share this code for all those platforms in ppc4xx_soc.c. This patch also enables CONFIG_4xx_SOC for all 40x and 44x platforms. Tested on Kilauea (405EX) and Canyonlands (440EX). Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*
|
|
* Architecture- / platform-specific boot-time initialization code for
|
|
* IBM PowerPC 4xx based boards. Adapted from original
|
|
* code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek
|
|
* <dan@net4x.com>.
|
|
*
|
|
* Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu>
|
|
*
|
|
* Rewritten and ported to the merged powerpc tree:
|
|
* Copyright 2007 IBM Corporation
|
|
* Josh Boyer <jwboyer@linux.vnet.ibm.com>
|
|
*
|
|
* 2002 (c) MontaVista, Software, Inc. This file is licensed under
|
|
* the terms of the GNU General Public License version 2. This program
|
|
* is licensed "as is" without any warranty of any kind, whether express
|
|
* or implied.
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/of_platform.h>
|
|
#include <linux/rtc.h>
|
|
|
|
#include <asm/machdep.h>
|
|
#include <asm/prom.h>
|
|
#include <asm/udbg.h>
|
|
#include <asm/time.h>
|
|
#include <asm/uic.h>
|
|
#include <asm/pci-bridge.h>
|
|
#include <asm/ppc4xx.h>
|
|
|
|
static __initdata struct of_device_id walnut_of_bus[] = {
|
|
{ .compatible = "ibm,plb3", },
|
|
{ .compatible = "ibm,opb", },
|
|
{ .compatible = "ibm,ebc", },
|
|
{},
|
|
};
|
|
|
|
static int __init walnut_device_probe(void)
|
|
{
|
|
of_platform_bus_probe(NULL, walnut_of_bus, NULL);
|
|
of_instantiate_rtc();
|
|
|
|
return 0;
|
|
}
|
|
machine_device_initcall(walnut, walnut_device_probe);
|
|
|
|
static int __init walnut_probe(void)
|
|
{
|
|
unsigned long root = of_get_flat_dt_root();
|
|
|
|
if (!of_flat_dt_is_compatible(root, "ibm,walnut"))
|
|
return 0;
|
|
|
|
ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
|
|
|
|
return 1;
|
|
}
|
|
|
|
define_machine(walnut) {
|
|
.name = "Walnut",
|
|
.probe = walnut_probe,
|
|
.progress = udbg_progress,
|
|
.init_IRQ = uic_init_tree,
|
|
.get_irq = uic_get_irq,
|
|
.restart = ppc4xx_reset_system,
|
|
.calibrate_decr = generic_calibrate_decr,
|
|
};
|