1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * arch/powerpc/platforms/83xx/mpc834x_itx.c
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * MPC834x ITX board specific routines
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Maintainer: Kumar Gala <galak@kernel.crashing.org>
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include <linux/stddef.h>
11*4882a593Smuzhiyun #include <linux/kernel.h>
12*4882a593Smuzhiyun #include <linux/init.h>
13*4882a593Smuzhiyun #include <linux/errno.h>
14*4882a593Smuzhiyun #include <linux/reboot.h>
15*4882a593Smuzhiyun #include <linux/pci.h>
16*4882a593Smuzhiyun #include <linux/kdev_t.h>
17*4882a593Smuzhiyun #include <linux/major.h>
18*4882a593Smuzhiyun #include <linux/console.h>
19*4882a593Smuzhiyun #include <linux/delay.h>
20*4882a593Smuzhiyun #include <linux/seq_file.h>
21*4882a593Smuzhiyun #include <linux/root_dev.h>
22*4882a593Smuzhiyun #include <linux/of_platform.h>
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun #include <linux/atomic.h>
25*4882a593Smuzhiyun #include <asm/time.h>
26*4882a593Smuzhiyun #include <asm/io.h>
27*4882a593Smuzhiyun #include <asm/machdep.h>
28*4882a593Smuzhiyun #include <asm/ipic.h>
29*4882a593Smuzhiyun #include <asm/irq.h>
30*4882a593Smuzhiyun #include <asm/prom.h>
31*4882a593Smuzhiyun #include <asm/udbg.h>
32*4882a593Smuzhiyun #include <sysdev/fsl_soc.h>
33*4882a593Smuzhiyun #include <sysdev/fsl_pci.h>
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun #include "mpc83xx.h"
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun static const struct of_device_id mpc834x_itx_ids[] __initconst = {
38*4882a593Smuzhiyun { .compatible = "fsl,pq2pro-localbus", },
39*4882a593Smuzhiyun {},
40*4882a593Smuzhiyun };
41*4882a593Smuzhiyun
mpc834x_itx_declare_of_platform_devices(void)42*4882a593Smuzhiyun static int __init mpc834x_itx_declare_of_platform_devices(void)
43*4882a593Smuzhiyun {
44*4882a593Smuzhiyun mpc83xx_declare_of_platform_devices();
45*4882a593Smuzhiyun return of_platform_bus_probe(NULL, mpc834x_itx_ids, NULL);
46*4882a593Smuzhiyun }
47*4882a593Smuzhiyun machine_device_initcall(mpc834x_itx, mpc834x_itx_declare_of_platform_devices);
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun /* ************************************************************************
50*4882a593Smuzhiyun *
51*4882a593Smuzhiyun * Setup the architecture
52*4882a593Smuzhiyun *
53*4882a593Smuzhiyun */
mpc834x_itx_setup_arch(void)54*4882a593Smuzhiyun static void __init mpc834x_itx_setup_arch(void)
55*4882a593Smuzhiyun {
56*4882a593Smuzhiyun mpc83xx_setup_arch();
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun mpc834x_usb_cfg();
59*4882a593Smuzhiyun }
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun /*
62*4882a593Smuzhiyun * Called very early, MMU is off, device-tree isn't unflattened
63*4882a593Smuzhiyun */
mpc834x_itx_probe(void)64*4882a593Smuzhiyun static int __init mpc834x_itx_probe(void)
65*4882a593Smuzhiyun {
66*4882a593Smuzhiyun return of_machine_is_compatible("MPC834xMITX");
67*4882a593Smuzhiyun }
68*4882a593Smuzhiyun
define_machine(mpc834x_itx)69*4882a593Smuzhiyun define_machine(mpc834x_itx) {
70*4882a593Smuzhiyun .name = "MPC834x ITX",
71*4882a593Smuzhiyun .probe = mpc834x_itx_probe,
72*4882a593Smuzhiyun .setup_arch = mpc834x_itx_setup_arch,
73*4882a593Smuzhiyun .init_IRQ = mpc83xx_ipic_init_IRQ,
74*4882a593Smuzhiyun .get_irq = ipic_get_irq,
75*4882a593Smuzhiyun .restart = mpc83xx_restart,
76*4882a593Smuzhiyun .time_init = mpc83xx_time_init,
77*4882a593Smuzhiyun .calibrate_decr = generic_calibrate_decr,
78*4882a593Smuzhiyun .progress = udbg_progress,
79*4882a593Smuzhiyun };
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