xref: /openbmc/linux/arch/sh/boards/board-sh2007.c (revision f88c6a26)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * SH-2007 board support.
4  *
5  * Copyright (C) 2003, 2004  SUGIOKA Toshinobu
6  * Copyright (C) 2010  Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
7  */
8 #include <linux/init.h>
9 #include <linux/irq.h>
10 #include <linux/regulator/fixed.h>
11 #include <linux/regulator/machine.h>
12 #include <linux/smsc911x.h>
13 #include <linux/platform_device.h>
14 #include <linux/ata_platform.h>
15 #include <linux/io.h>
16 #include <asm/machvec.h>
17 #include <mach/sh2007.h>
18 
19 /* Dummy supplies, where voltage doesn't matter */
20 static struct regulator_consumer_supply dummy_supplies[] = {
21 	REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
22 	REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
23 	REGULATOR_SUPPLY("vddvario", "smsc911x.1"),
24 	REGULATOR_SUPPLY("vdd33a", "smsc911x.1"),
25 };
26 
27 struct smsc911x_platform_config smc911x_info = {
28 	.flags		= SMSC911X_USE_32BIT,
29 	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
30 	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
31 };
32 
33 static struct resource smsc9118_0_resources[] = {
34 	[0] = {
35 		.start	= SMC0_BASE,
36 		.end	= SMC0_BASE + 0xff,
37 		.flags	= IORESOURCE_MEM,
38 	},
39 	[1] = {
40 		.start	= evt2irq(0x240),
41 		.end	= evt2irq(0x240),
42 		.flags	= IORESOURCE_IRQ,
43 	}
44 };
45 
46 static struct resource smsc9118_1_resources[] = {
47 	[0] = {
48 		.start	= SMC1_BASE,
49 		.end	= SMC1_BASE + 0xff,
50 		.flags	= IORESOURCE_MEM,
51 	},
52 	[1] = {
53 		.start	= evt2irq(0x280),
54 		.end	= evt2irq(0x280),
55 		.flags	= IORESOURCE_IRQ,
56 	}
57 };
58 
59 static struct platform_device smsc9118_0_device = {
60 	.name		= "smsc911x",
61 	.id		= 0,
62 	.num_resources	= ARRAY_SIZE(smsc9118_0_resources),
63 	.resource	= smsc9118_0_resources,
64 	.dev = {
65 		.platform_data = &smc911x_info,
66 	},
67 };
68 
69 static struct platform_device smsc9118_1_device = {
70 	.name		= "smsc911x",
71 	.id		= 1,
72 	.num_resources	= ARRAY_SIZE(smsc9118_1_resources),
73 	.resource	= smsc9118_1_resources,
74 	.dev = {
75 		.platform_data = &smc911x_info,
76 	},
77 };
78 
79 static struct resource cf_resources[] = {
80 	[0] = {
81 		.start	= CF_BASE + CF_OFFSET,
82 		.end	= CF_BASE + CF_OFFSET + 0x0f,
83 		.flags	= IORESOURCE_MEM,
84 	},
85 	[1] = {
86 		.start	= CF_BASE + CF_OFFSET + 0x206,
87 		.end	= CF_BASE + CF_OFFSET + 0x20f,
88 		.flags	= IORESOURCE_MEM,
89 	},
90 	[2] = {
91 		.start	= evt2irq(0x2c0),
92 		.end	= evt2irq(0x2c0),
93 		.flags	= IORESOURCE_IRQ,
94 	},
95 };
96 
97 static struct platform_device cf_device  = {
98 	.name		= "pata_platform",
99 	.id		= 0,
100 	.num_resources	= ARRAY_SIZE(cf_resources),
101 	.resource	= cf_resources,
102 };
103 
104 static struct platform_device *sh2007_devices[] __initdata = {
105 	&smsc9118_0_device,
106 	&smsc9118_1_device,
107 	&cf_device,
108 };
109 
sh2007_io_init(void)110 static int __init sh2007_io_init(void)
111 {
112 	regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
113 
114 	platform_add_devices(sh2007_devices, ARRAY_SIZE(sh2007_devices));
115 	return 0;
116 }
117 subsys_initcall(sh2007_io_init);
118 
sh2007_init_irq(void)119 static void __init sh2007_init_irq(void)
120 {
121 	plat_irq_setup_pins(IRQ_MODE_IRQ);
122 }
123 
124 /*
125  * Initialize the board
126  */
sh2007_setup(char ** cmdline_p)127 static void __init sh2007_setup(char **cmdline_p)
128 {
129 	pr_info("SH-2007 Setup...");
130 
131 	/* setup wait control registers for area 5 */
132 	__raw_writel(CS5BCR_D, CS5BCR);
133 	__raw_writel(CS5WCR_D, CS5WCR);
134 	__raw_writel(CS5PCR_D, CS5PCR);
135 
136 	pr_cont(" done.\n");
137 }
138 
139 /*
140  * The Machine Vector
141  */
142 struct sh_machine_vector mv_sh2007 __initmv = {
143 	.mv_setup		= sh2007_setup,
144 	.mv_name		= "sh2007",
145 	.mv_init_irq		= sh2007_init_irq,
146 };
147