xref: /openbmc/linux/arch/sh/boards/mach-se/7343/setup.c (revision a09d2831)
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 <asm/machvec.h>
9 #include <mach-se/mach/se7343.h>
10 #include <asm/heartbeat.h>
11 #include <asm/irq.h>
12 #include <asm/io.h>
13 
14 static struct resource heartbeat_resource = {
15 	.start	= PA_LED,
16 	.end	= PA_LED,
17 	.flags	= IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
18 };
19 
20 static struct platform_device heartbeat_device = {
21 	.name		= "heartbeat",
22 	.id		= -1,
23 	.num_resources	= 1,
24 	.resource	= &heartbeat_resource,
25 };
26 
27 static struct mtd_partition nor_flash_partitions[] = {
28 	{
29 		.name		= "loader",
30 		.offset		= 0x00000000,
31 		.size		= 128 * 1024,
32 	},
33 	{
34 		.name		= "rootfs",
35 		.offset		= MTDPART_OFS_APPEND,
36 		.size		= 31 * 1024 * 1024,
37 	},
38 	{
39 		.name		= "data",
40 		.offset		= MTDPART_OFS_APPEND,
41 		.size		= MTDPART_SIZ_FULL,
42 	},
43 };
44 
45 static struct physmap_flash_data nor_flash_data = {
46 	.width		= 2,
47 	.parts		= nor_flash_partitions,
48 	.nr_parts	= ARRAY_SIZE(nor_flash_partitions),
49 };
50 
51 static struct resource nor_flash_resources[] = {
52 	[0]	= {
53 		.start	= 0x00000000,
54 		.end	= 0x01ffffff,
55 		.flags	= IORESOURCE_MEM,
56 	}
57 };
58 
59 static struct platform_device nor_flash_device = {
60 	.name		= "physmap-flash",
61 	.dev		= {
62 		.platform_data	= &nor_flash_data,
63 	},
64 	.num_resources	= ARRAY_SIZE(nor_flash_resources),
65 	.resource	= nor_flash_resources,
66 };
67 
68 #define ST16C2550C_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP)
69 
70 static struct plat_serial8250_port serial_platform_data[] = {
71 	[0] = {
72 		.iotype		= UPIO_MEM,
73 		.mapbase	= 0x16000000,
74 		.regshift	= 1,
75 		.flags		= ST16C2550C_FLAGS,
76 		.uartclk	= 7372800,
77 	},
78 	[1] = {
79 		.iotype		= UPIO_MEM,
80 		.mapbase	= 0x17000000,
81 		.regshift	= 1,
82 		.flags		= ST16C2550C_FLAGS,
83 		.uartclk	= 7372800,
84 	},
85 	{ },
86 };
87 
88 static struct platform_device uart_device = {
89 	.name			= "serial8250",
90 	.id			= PLAT8250_DEV_PLATFORM,
91 	.dev			= {
92 		.platform_data	= serial_platform_data,
93 	},
94 };
95 
96 static void isp116x_delay(struct device *dev, int delay)
97 {
98 	ndelay(delay);
99 }
100 
101 static struct resource usb_resources[] = {
102 	[0] = {
103 		.start  = 0x11800000,
104 		.end    = 0x11800001,
105 		.flags  = IORESOURCE_MEM,
106 	},
107 	[1] = {
108 		.start  = 0x11800002,
109 		.end    = 0x11800003,
110 		.flags  = IORESOURCE_MEM,
111 	},
112 	[2] = {
113 		/* Filled in later */
114 		.flags  = IORESOURCE_IRQ,
115 	},
116 };
117 
118 static struct isp116x_platform_data usb_platform_data = {
119 	.sel15Kres		= 1,
120 	.oc_enable		= 1,
121 	.int_act_high		= 0,
122 	.int_edge_triggered	= 0,
123 	.remote_wakeup_enable	= 0,
124 	.delay			= isp116x_delay,
125 };
126 
127 static struct platform_device usb_device = {
128 	.name			= "isp116x-hcd",
129 	.id			= -1,
130 	.num_resources		= ARRAY_SIZE(usb_resources),
131 	.resource		= usb_resources,
132 	.dev			= {
133 		.platform_data	= &usb_platform_data,
134 	},
135 
136 };
137 
138 static struct platform_device *sh7343se_platform_devices[] __initdata = {
139 	&heartbeat_device,
140 	&nor_flash_device,
141 	&uart_device,
142 	&usb_device,
143 };
144 
145 static int __init sh7343se_devices_setup(void)
146 {
147 	/* Wire-up dynamic vectors */
148 	serial_platform_data[0].irq = se7343_fpga_irq[SE7343_FPGA_IRQ_UARTA];
149 	serial_platform_data[1].irq = se7343_fpga_irq[SE7343_FPGA_IRQ_UARTB];
150 
151 	usb_resources[2].start = usb_resources[2].end =
152 		se7343_fpga_irq[SE7343_FPGA_IRQ_USB];
153 
154 	return platform_add_devices(sh7343se_platform_devices,
155 				    ARRAY_SIZE(sh7343se_platform_devices));
156 }
157 device_initcall(sh7343se_devices_setup);
158 
159 /*
160  * Initialize the board
161  */
162 static void __init sh7343se_setup(char **cmdline_p)
163 {
164 	ctrl_outw(0xf900, FPGA_OUT);	/* FPGA */
165 
166 	ctrl_outw(0x0002, PORT_PECR);	/* PORT E 1 = IRQ5 */
167 	ctrl_outw(0x0020, PORT_PSELD);
168 
169 	printk(KERN_INFO "MS7343CP01 Setup...done\n");
170 }
171 
172 /*
173  * The Machine Vector
174  */
175 static struct sh_machine_vector mv_7343se __initmv = {
176 	.mv_name = "SolutionEngine 7343",
177 	.mv_setup = sh7343se_setup,
178 	.mv_init_irq = init_7343se_IRQ,
179 };
180