xref: /OK3568_Linux_fs/kernel/arch/powerpc/platforms/512x/mpc512x_generic.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (C) 2007,2008 Freescale Semiconductor, Inc. All rights reserved.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Author: John Rigby, <jrigby@freescale.com>
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * Description:
8*4882a593Smuzhiyun  * MPC512x SoC setup
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <linux/kernel.h>
12*4882a593Smuzhiyun #include <linux/of_platform.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #include <asm/machdep.h>
15*4882a593Smuzhiyun #include <asm/ipic.h>
16*4882a593Smuzhiyun #include <asm/prom.h>
17*4882a593Smuzhiyun #include <asm/time.h>
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun #include "mpc512x.h"
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun /*
22*4882a593Smuzhiyun  * list of supported boards
23*4882a593Smuzhiyun  */
24*4882a593Smuzhiyun static const char * const board[] __initconst = {
25*4882a593Smuzhiyun 	"prt,prtlvt",
26*4882a593Smuzhiyun 	"fsl,mpc5125ads",
27*4882a593Smuzhiyun 	"ifm,ac14xx",
28*4882a593Smuzhiyun 	NULL
29*4882a593Smuzhiyun };
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun /*
32*4882a593Smuzhiyun  * Called very early, MMU is off, device-tree isn't unflattened
33*4882a593Smuzhiyun  */
mpc512x_generic_probe(void)34*4882a593Smuzhiyun static int __init mpc512x_generic_probe(void)
35*4882a593Smuzhiyun {
36*4882a593Smuzhiyun 	if (!of_device_compatible_match(of_root, board))
37*4882a593Smuzhiyun 		return 0;
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun 	mpc512x_init_early();
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun 	return 1;
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun 
define_machine(mpc512x_generic)44*4882a593Smuzhiyun define_machine(mpc512x_generic) {
45*4882a593Smuzhiyun 	.name			= "MPC512x generic",
46*4882a593Smuzhiyun 	.probe			= mpc512x_generic_probe,
47*4882a593Smuzhiyun 	.init			= mpc512x_init,
48*4882a593Smuzhiyun 	.setup_arch		= mpc512x_setup_arch,
49*4882a593Smuzhiyun 	.init_IRQ		= mpc512x_init_IRQ,
50*4882a593Smuzhiyun 	.get_irq		= ipic_get_irq,
51*4882a593Smuzhiyun 	.calibrate_decr		= generic_calibrate_decr,
52*4882a593Smuzhiyun 	.restart		= mpc512x_restart,
53*4882a593Smuzhiyun };
54