xref: /openbmc/linux/arch/mips/ath25/devices.c (revision 44c6dc94)
1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/kernel.h>
3 #include <linux/init.h>
4 #include <linux/serial_8250.h>
5 #include <linux/platform_device.h>
6 #include <asm/bootinfo.h>
7 
8 #include <ath25_platform.h>
9 #include "devices.h"
10 #include "ar5312.h"
11 #include "ar2315.h"
12 
13 struct ar231x_board_config ath25_board;
14 enum ath25_soc_type ath25_soc = ATH25_SOC_UNKNOWN;
15 
16 static struct resource ath25_wmac0_res[] = {
17 	{
18 		.name = "wmac0_membase",
19 		.flags = IORESOURCE_MEM,
20 	},
21 	{
22 		.name = "wmac0_irq",
23 		.flags = IORESOURCE_IRQ,
24 	}
25 };
26 
27 static struct resource ath25_wmac1_res[] = {
28 	{
29 		.name = "wmac1_membase",
30 		.flags = IORESOURCE_MEM,
31 	},
32 	{
33 		.name = "wmac1_irq",
34 		.flags = IORESOURCE_IRQ,
35 	}
36 };
37 
38 static struct platform_device ath25_wmac[] = {
39 	{
40 		.id = 0,
41 		.name = "ar231x-wmac",
42 		.resource = ath25_wmac0_res,
43 		.num_resources = ARRAY_SIZE(ath25_wmac0_res),
44 		.dev.platform_data = &ath25_board,
45 	},
46 	{
47 		.id = 1,
48 		.name = "ar231x-wmac",
49 		.resource = ath25_wmac1_res,
50 		.num_resources = ARRAY_SIZE(ath25_wmac1_res),
51 		.dev.platform_data = &ath25_board,
52 	},
53 };
54 
55 static const char * const soc_type_strings[] = {
56 	[ATH25_SOC_AR5312] = "Atheros AR5312",
57 	[ATH25_SOC_AR2312] = "Atheros AR2312",
58 	[ATH25_SOC_AR2313] = "Atheros AR2313",
59 	[ATH25_SOC_AR2315] = "Atheros AR2315",
60 	[ATH25_SOC_AR2316] = "Atheros AR2316",
61 	[ATH25_SOC_AR2317] = "Atheros AR2317",
62 	[ATH25_SOC_AR2318] = "Atheros AR2318",
63 	[ATH25_SOC_UNKNOWN] = "Atheros (unknown)",
64 };
65 
66 const char *get_system_type(void)
67 {
68 	if ((ath25_soc >= ARRAY_SIZE(soc_type_strings)) ||
69 	    !soc_type_strings[ath25_soc])
70 		return soc_type_strings[ATH25_SOC_UNKNOWN];
71 	return soc_type_strings[ath25_soc];
72 }
73 
74 void __init ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk)
75 {
76 #ifdef CONFIG_SERIAL_8250_CONSOLE
77 	struct uart_port s;
78 
79 	memset(&s, 0, sizeof(s));
80 
81 	s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP;
82 	s.iotype = UPIO_MEM32;
83 	s.irq = irq;
84 	s.regshift = 2;
85 	s.mapbase = mapbase;
86 	s.uartclk = uartclk;
87 
88 	early_serial_setup(&s);
89 #endif /* CONFIG_SERIAL_8250_CONSOLE */
90 }
91 
92 int __init ath25_add_wmac(int nr, u32 base, int irq)
93 {
94 	struct resource *res;
95 
96 	ath25_wmac[nr].dev.platform_data = &ath25_board;
97 	res = &ath25_wmac[nr].resource[0];
98 	res->start = base;
99 	res->end = base + 0x10000 - 1;
100 	res++;
101 	res->start = irq;
102 	res->end = irq;
103 	return platform_device_register(&ath25_wmac[nr]);
104 }
105 
106 static int __init ath25_register_devices(void)
107 {
108 	if (is_ar5312())
109 		ar5312_init_devices();
110 	else
111 		ar2315_init_devices();
112 
113 	return 0;
114 }
115 
116 device_initcall(ath25_register_devices);
117 
118 static int __init ath25_arch_init(void)
119 {
120 	if (is_ar5312())
121 		ar5312_arch_init();
122 	else
123 		ar2315_arch_init();
124 
125 	return 0;
126 }
127 
128 arch_initcall(ath25_arch_init);
129