xref: /openbmc/linux/arch/sh/boards/mach-se/7343/setup.c (revision 23c2b932)
1 #include <linux/init.h>
2 #include <linux/platform_device.h>
3 #include <linux/mtd/physmap.h>
4 #include <linux/serial_8250.h>
5 #include <linux/serial_reg.h>
6 #include <linux/usb/isp116x.h>
7 #include <linux/delay.h>
8 #include <linux/irqdomain.h>
9 #include <asm/machvec.h>
10 #include <mach-se/mach/se7343.h>
11 #include <asm/heartbeat.h>
12 #include <asm/irq.h>
13 #include <asm/io.h>
14 
15 static struct resource heartbeat_resource = {
16 	.start	= PA_LED,
17 	.end	= PA_LED,
18 	.flags	= IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
19 };
20 
21 static struct platform_device heartbeat_device = {
22 	.name		= "heartbeat",
23 	.id		= -1,
24 	.num_resources	= 1,
25 	.resource	= &heartbeat_resource,
26 };
27 
28 static struct mtd_partition nor_flash_partitions[] = {
29 	{
30 		.name		= "loader",
31 		.offset		= 0x00000000,
32 		.size		= 128 * 1024,
33 	},
34 	{
35 		.name		= "rootfs",
36 		.offset		= MTDPART_OFS_APPEND,
37 		.size		= 31 * 1024 * 1024,
38 	},
39 	{
40 		.name		= "data",
41 		.offset		= MTDPART_OFS_APPEND,
42 		.size		= MTDPART_SIZ_FULL,
43 	},
44 };
45 
46 static struct physmap_flash_data nor_flash_data = {
47 	.width		= 2,
48 	.parts		= nor_flash_partitions,
49 	.nr_parts	= ARRAY_SIZE(nor_flash_partitions),
50 };
51 
52 static struct resource nor_flash_resources[] = {
53 	[0]	= {
54 		.start	= 0x00000000,
55 		.end	= 0x01ffffff,
56 		.flags	= IORESOURCE_MEM,
57 	}
58 };
59 
60 static struct platform_device nor_flash_device = {
61 	.name		= "physmap-flash",
62 	.dev		= {
63 		.platform_data	= &nor_flash_data,
64 	},
65 	.num_resources	= ARRAY_SIZE(nor_flash_resources),
66 	.resource	= nor_flash_resources,
67 };
68 
69 #define ST16C2550C_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP)
70 
71 static struct plat_serial8250_port serial_platform_data[] = {
72 	[0] = {
73 		.iotype		= UPIO_MEM,
74 		.mapbase	= 0x16000000,
75 		.regshift	= 1,
76 		.flags		= ST16C2550C_FLAGS,
77 		.uartclk	= 7372800,
78 	},
79 	[1] = {
80 		.iotype		= UPIO_MEM,
81 		.mapbase	= 0x17000000,
82 		.regshift	= 1,
83 		.flags		= ST16C2550C_FLAGS,
84 		.uartclk	= 7372800,
85 	},
86 	{ },
87 };
88 
89 static struct platform_device uart_device = {
90 	.name			= "serial8250",
91 	.id			= PLAT8250_DEV_PLATFORM,
92 	.dev			= {
93 		.platform_data	= serial_platform_data,
94 	},
95 };
96 
97 static void isp116x_delay(struct device *dev, int delay)
98 {
99 	ndelay(delay);
100 }
101 
102 static struct resource usb_resources[] = {
103 	[0] = {
104 		.start  = 0x11800000,
105 		.end    = 0x11800001,
106 		.flags  = IORESOURCE_MEM,
107 	},
108 	[1] = {
109 		.start  = 0x11800002,
110 		.end    = 0x11800003,
111 		.flags  = IORESOURCE_MEM,
112 	},
113 	[2] = {
114 		/* Filled in later */
115 		.flags  = IORESOURCE_IRQ,
116 	},
117 };
118 
119 static struct isp116x_platform_data usb_platform_data = {
120 	.sel15Kres		= 1,
121 	.oc_enable		= 1,
122 	.int_act_high		= 0,
123 	.int_edge_triggered	= 0,
124 	.remote_wakeup_enable	= 0,
125 	.delay			= isp116x_delay,
126 };
127 
128 static struct platform_device usb_device = {
129 	.name			= "isp116x-hcd",
130 	.id			= -1,
131 	.num_resources		= ARRAY_SIZE(usb_resources),
132 	.resource		= usb_resources,
133 	.dev			= {
134 		.platform_data	= &usb_platform_data,
135 	},
136 
137 };
138 
139 static struct platform_device *sh7343se_platform_devices[] __initdata = {
140 	&heartbeat_device,
141 	&nor_flash_device,
142 	&uart_device,
143 	&usb_device,
144 };
145 
146 static int __init sh7343se_devices_setup(void)
147 {
148 	/* Wire-up dynamic vectors */
149 	serial_platform_data[0].irq = irq_find_mapping(se7343_irq_domain,
150 						       SE7343_FPGA_IRQ_UARTA);
151 	serial_platform_data[1].irq = irq_find_mapping(se7343_irq_domain,
152 						       SE7343_FPGA_IRQ_UARTB);
153 	usb_resources[2].start = usb_resources[2].end =
154 		irq_find_mapping(se7343_irq_domain, SE7343_FPGA_IRQ_USB);
155 
156 	return platform_add_devices(sh7343se_platform_devices,
157 				    ARRAY_SIZE(sh7343se_platform_devices));
158 }
159 device_initcall(sh7343se_devices_setup);
160 
161 /*
162  * Initialize the board
163  */
164 static void __init sh7343se_setup(char **cmdline_p)
165 {
166 	__raw_writew(0xf900, FPGA_OUT);	/* FPGA */
167 
168 	__raw_writew(0x0002, PORT_PECR);	/* PORT E 1 = IRQ5 */
169 	__raw_writew(0x0020, PORT_PSELD);
170 
171 	printk(KERN_INFO "MS7343CP01 Setup...done\n");
172 }
173 
174 /*
175  * The Machine Vector
176  */
177 static struct sh_machine_vector mv_7343se __initmv = {
178 	.mv_name = "SolutionEngine 7343",
179 	.mv_setup = sh7343se_setup,
180 	.mv_init_irq = init_7343se_IRQ,
181 };
182