1 /*
2  * arch/sh/boards/renesas/sdk7780/setup.c
3  *
4  * Renesas Solutions SH7780 SDK Support
5  * Copyright (C) 2008 Nicholas Beck <nbeck@mpc-data.co.uk>
6  *
7  * This file is subject to the terms and conditions of the GNU General Public
8  * License.  See the file "COPYING" in the main directory of this archive
9  * for more details.
10  */
11 #include <linux/init.h>
12 #include <linux/types.h>
13 #include <linux/platform_device.h>
14 #include <linux/ata_platform.h>
15 #include <asm/machvec.h>
16 #include <mach/sdk7780.h>
17 #include <asm/heartbeat.h>
18 #include <asm/io.h>
19 #include <asm/addrspace.h>
20 
21 #define GPIO_PECR        0xFFEA0008
22 
23 //* Heartbeat */
24 static struct heartbeat_data heartbeat_data = {
25 	.regsize = 16,
26 };
27 
28 static struct resource heartbeat_resources[] = {
29 	[0] = {
30 		.start  = PA_LED,
31 		.end    = PA_LED,
32 		.flags  = IORESOURCE_MEM,
33 	},
34 };
35 
36 static struct platform_device heartbeat_device = {
37 	.name           = "heartbeat",
38 	.id             = -1,
39 	.dev = {
40 		.platform_data = &heartbeat_data,
41 	},
42 	.num_resources  = ARRAY_SIZE(heartbeat_resources),
43 	.resource       = heartbeat_resources,
44 };
45 
46 /* SMC91x */
47 static struct resource smc91x_eth_resources[] = {
48 	[0] = {
49 		.name   = "smc91x-regs" ,
50 		.start  = PA_LAN + 0x300,
51 		.end    = PA_LAN + 0x300 + 0x10 ,
52 		.flags  = IORESOURCE_MEM,
53 	},
54 	[1] = {
55 		.start  = IRQ_ETHERNET,
56 		.end    = IRQ_ETHERNET,
57 		.flags  = IORESOURCE_IRQ,
58 	},
59 };
60 
61 static struct platform_device smc91x_eth_device = {
62 	.name           = "smc91x",
63 	.id             = 0,
64 	.dev = {
65 		.dma_mask               = NULL,         /* don't use dma */
66 		.coherent_dma_mask      = 0xffffffff,
67 	},
68 	.num_resources  = ARRAY_SIZE(smc91x_eth_resources),
69 	.resource       = smc91x_eth_resources,
70 };
71 
72 static struct platform_device *sdk7780_devices[] __initdata = {
73 	&heartbeat_device,
74 	&smc91x_eth_device,
75 };
76 
77 static int __init sdk7780_devices_setup(void)
78 {
79 	return platform_add_devices(sdk7780_devices,
80 		ARRAY_SIZE(sdk7780_devices));
81 }
82 device_initcall(sdk7780_devices_setup);
83 
84 static void __init sdk7780_setup(char **cmdline_p)
85 {
86 	u16 ver = ctrl_inw(FPGA_FPVERR);
87 	u16 dateStamp = ctrl_inw(FPGA_FPDATER);
88 
89 	printk(KERN_INFO "Renesas Technology Europe SDK7780 support.\n");
90 	printk(KERN_INFO "Board version: %d (revision %d), "
91 			 "FPGA version: %d (revision %d), datestamp : %d\n",
92 			 (ver >> 12) & 0xf, (ver >> 8) & 0xf,
93 			 (ver >>  4) & 0xf, ver & 0xf,
94 			 dateStamp);
95 
96 	/* Setup pin mux'ing for PCIC */
97 	ctrl_outw(0x0000, GPIO_PECR);
98 }
99 
100 /*
101  * The Machine Vector
102  */
103 static struct sh_machine_vector mv_se7780 __initmv = {
104 	.mv_name        = "Renesas SDK7780-R3" ,
105 	.mv_setup		= sdk7780_setup,
106 	.mv_nr_irqs		= 111,
107 	.mv_init_irq	= init_sdk7780_IRQ,
108 };
109 
110