xref: /openbmc/linux/arch/mips/ath25/devices.c (revision 9cfc5c90)
1 #include <linux/kernel.h>
2 #include <linux/init.h>
3 #include <linux/serial_8250.h>
4 #include <linux/platform_device.h>
5 #include <asm/bootinfo.h>
6 
7 #include <ath25_platform.h>
8 #include "devices.h"
9 #include "ar5312.h"
10 #include "ar2315.h"
11 
12 struct ar231x_board_config ath25_board;
13 enum ath25_soc_type ath25_soc = ATH25_SOC_UNKNOWN;
14 
15 static struct resource ath25_wmac0_res[] = {
16 	{
17 		.name = "wmac0_membase",
18 		.flags = IORESOURCE_MEM,
19 	},
20 	{
21 		.name = "wmac0_irq",
22 		.flags = IORESOURCE_IRQ,
23 	}
24 };
25 
26 static struct resource ath25_wmac1_res[] = {
27 	{
28 		.name = "wmac1_membase",
29 		.flags = IORESOURCE_MEM,
30 	},
31 	{
32 		.name = "wmac1_irq",
33 		.flags = IORESOURCE_IRQ,
34 	}
35 };
36 
37 static struct platform_device ath25_wmac[] = {
38 	{
39 		.id = 0,
40 		.name = "ar231x-wmac",
41 		.resource = ath25_wmac0_res,
42 		.num_resources = ARRAY_SIZE(ath25_wmac0_res),
43 		.dev.platform_data = &ath25_board,
44 	},
45 	{
46 		.id = 1,
47 		.name = "ar231x-wmac",
48 		.resource = ath25_wmac1_res,
49 		.num_resources = ARRAY_SIZE(ath25_wmac1_res),
50 		.dev.platform_data = &ath25_board,
51 	},
52 };
53 
54 static const char * const soc_type_strings[] = {
55 	[ATH25_SOC_AR5312] = "Atheros AR5312",
56 	[ATH25_SOC_AR2312] = "Atheros AR2312",
57 	[ATH25_SOC_AR2313] = "Atheros AR2313",
58 	[ATH25_SOC_AR2315] = "Atheros AR2315",
59 	[ATH25_SOC_AR2316] = "Atheros AR2316",
60 	[ATH25_SOC_AR2317] = "Atheros AR2317",
61 	[ATH25_SOC_AR2318] = "Atheros AR2318",
62 	[ATH25_SOC_UNKNOWN] = "Atheros (unknown)",
63 };
64 
65 const char *get_system_type(void)
66 {
67 	if ((ath25_soc >= ARRAY_SIZE(soc_type_strings)) ||
68 	    !soc_type_strings[ath25_soc])
69 		return soc_type_strings[ATH25_SOC_UNKNOWN];
70 	return soc_type_strings[ath25_soc];
71 }
72 
73 void __init ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk)
74 {
75 	struct uart_port s;
76 
77 	memset(&s, 0, sizeof(s));
78 
79 	s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP;
80 	s.iotype = UPIO_MEM32;
81 	s.irq = irq;
82 	s.regshift = 2;
83 	s.mapbase = mapbase;
84 	s.uartclk = uartclk;
85 
86 	early_serial_setup(&s);
87 }
88 
89 int __init ath25_add_wmac(int nr, u32 base, int irq)
90 {
91 	struct resource *res;
92 
93 	ath25_wmac[nr].dev.platform_data = &ath25_board;
94 	res = &ath25_wmac[nr].resource[0];
95 	res->start = base;
96 	res->end = base + 0x10000 - 1;
97 	res++;
98 	res->start = irq;
99 	res->end = irq;
100 	return platform_device_register(&ath25_wmac[nr]);
101 }
102 
103 static int __init ath25_register_devices(void)
104 {
105 	if (is_ar5312())
106 		ar5312_init_devices();
107 	else
108 		ar2315_init_devices();
109 
110 	return 0;
111 }
112 
113 device_initcall(ath25_register_devices);
114 
115 static int __init ath25_arch_init(void)
116 {
117 	if (is_ar5312())
118 		ar5312_arch_init();
119 	else
120 		ar2315_arch_init();
121 
122 	return 0;
123 }
124 
125 arch_initcall(ath25_arch_init);
126