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 resource heartbeat_resource = {
25 	.start  = PA_LED,
26 	.end    = PA_LED,
27 	.flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
28 };
29 
30 static struct platform_device heartbeat_device = {
31 	.name           = "heartbeat",
32 	.id             = -1,
33 	.num_resources  = 1,
34 	.resource       = &heartbeat_resource,
35 };
36 
37 /* SMC91x */
38 static struct resource smc91x_eth_resources[] = {
39 	[0] = {
40 		.name   = "smc91x-regs" ,
41 		.start  = PA_LAN + 0x300,
42 		.end    = PA_LAN + 0x300 + 0x10 ,
43 		.flags  = IORESOURCE_MEM,
44 	},
45 	[1] = {
46 		.start  = IRQ_ETHERNET,
47 		.end    = IRQ_ETHERNET,
48 		.flags  = IORESOURCE_IRQ,
49 	},
50 };
51 
52 static struct platform_device smc91x_eth_device = {
53 	.name           = "smc91x",
54 	.id             = 0,
55 	.dev = {
56 		.dma_mask               = NULL,         /* don't use dma */
57 		.coherent_dma_mask      = 0xffffffff,
58 	},
59 	.num_resources  = ARRAY_SIZE(smc91x_eth_resources),
60 	.resource       = smc91x_eth_resources,
61 };
62 
63 static struct platform_device *sdk7780_devices[] __initdata = {
64 	&heartbeat_device,
65 	&smc91x_eth_device,
66 };
67 
68 static int __init sdk7780_devices_setup(void)
69 {
70 	return platform_add_devices(sdk7780_devices,
71 		ARRAY_SIZE(sdk7780_devices));
72 }
73 device_initcall(sdk7780_devices_setup);
74 
75 static void __init sdk7780_setup(char **cmdline_p)
76 {
77 	u16 ver = __raw_readw(FPGA_FPVERR);
78 	u16 dateStamp = __raw_readw(FPGA_FPDATER);
79 
80 	printk(KERN_INFO "Renesas Technology Europe SDK7780 support.\n");
81 	printk(KERN_INFO "Board version: %d (revision %d), "
82 			 "FPGA version: %d (revision %d), datestamp : %d\n",
83 			 (ver >> 12) & 0xf, (ver >> 8) & 0xf,
84 			 (ver >>  4) & 0xf, ver & 0xf,
85 			 dateStamp);
86 
87 	/* Setup pin mux'ing for PCIC */
88 	__raw_writew(0x0000, GPIO_PECR);
89 }
90 
91 /*
92  * The Machine Vector
93  */
94 static struct sh_machine_vector mv_se7780 __initmv = {
95 	.mv_name        = "Renesas SDK7780-R3" ,
96 	.mv_setup		= sdk7780_setup,
97 	.mv_nr_irqs		= 111,
98 	.mv_init_irq	= init_sdk7780_IRQ,
99 };
100 
101