1 /*
2  * Microwatt FPGA-based SoC platform setup code.
3  *
4  * Copyright 2020 Paul Mackerras (paulus@ozlabs.org), IBM Corp.
5  */
6 
7 #include <linux/types.h>
8 #include <linux/kernel.h>
9 #include <linux/stddef.h>
10 #include <linux/init.h>
11 #include <linux/of.h>
12 #include <linux/of_platform.h>
13 
14 #include <asm/machdep.h>
15 #include <asm/time.h>
16 #include <asm/xics.h>
17 #include <asm/udbg.h>
18 
19 #include "microwatt.h"
20 
microwatt_init_IRQ(void)21 static void __init microwatt_init_IRQ(void)
22 {
23 	xics_init();
24 }
25 
microwatt_probe(void)26 static int __init microwatt_probe(void)
27 {
28 	return of_machine_is_compatible("microwatt-soc");
29 }
30 
microwatt_populate(void)31 static int __init microwatt_populate(void)
32 {
33 	return of_platform_default_populate(NULL, NULL, NULL);
34 }
35 machine_arch_initcall(microwatt, microwatt_populate);
36 
microwatt_setup_arch(void)37 static void __init microwatt_setup_arch(void)
38 {
39 	microwatt_rng_init();
40 }
41 
define_machine(microwatt)42 define_machine(microwatt) {
43 	.name			= "microwatt",
44 	.probe			= microwatt_probe,
45 	.init_IRQ		= microwatt_init_IRQ,
46 	.setup_arch		= microwatt_setup_arch,
47 	.progress		= udbg_progress,
48 	.calibrate_decr		= generic_calibrate_decr,
49 };
50