1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * arch/sh/boards/renesas/sdk7780/setup.c
4  *
5  * Renesas Solutions SH7780 SDK Support
6  * Copyright (C) 2008 Nicholas Beck <nbeck@mpc-data.co.uk>
7  */
8 #include <linux/init.h>
9 #include <linux/types.h>
10 #include <linux/platform_device.h>
11 #include <linux/ata_platform.h>
12 #include <asm/machvec.h>
13 #include <mach/sdk7780.h>
14 #include <asm/heartbeat.h>
15 #include <asm/io.h>
16 #include <asm/addrspace.h>
17 
18 #define GPIO_PECR        0xFFEA0008
19 
20 /* Heartbeat */
21 static struct resource heartbeat_resource = {
22 	.start  = PA_LED,
23 	.end    = PA_LED,
24 	.flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
25 };
26 
27 static struct platform_device heartbeat_device = {
28 	.name           = "heartbeat",
29 	.id             = -1,
30 	.num_resources  = 1,
31 	.resource       = &heartbeat_resource,
32 };
33 
34 /* SMC91x */
35 static struct resource smc91x_eth_resources[] = {
36 	[0] = {
37 		.name   = "smc91x-regs" ,
38 		.start  = PA_LAN + 0x300,
39 		.end    = PA_LAN + 0x300 + 0x10 ,
40 		.flags  = IORESOURCE_MEM,
41 	},
42 	[1] = {
43 		.start  = IRQ_ETHERNET,
44 		.end    = IRQ_ETHERNET,
45 		.flags  = IORESOURCE_IRQ,
46 	},
47 };
48 
49 static struct platform_device smc91x_eth_device = {
50 	.name           = "smc91x",
51 	.id             = 0,
52 	.dev = {
53 		.dma_mask               = NULL,         /* don't use dma */
54 		.coherent_dma_mask      = 0xffffffff,
55 	},
56 	.num_resources  = ARRAY_SIZE(smc91x_eth_resources),
57 	.resource       = smc91x_eth_resources,
58 };
59 
60 static struct platform_device *sdk7780_devices[] __initdata = {
61 	&heartbeat_device,
62 	&smc91x_eth_device,
63 };
64 
65 static int __init sdk7780_devices_setup(void)
66 {
67 	return platform_add_devices(sdk7780_devices,
68 		ARRAY_SIZE(sdk7780_devices));
69 }
70 device_initcall(sdk7780_devices_setup);
71 
72 static void __init sdk7780_setup(char **cmdline_p)
73 {
74 	u16 ver = __raw_readw(FPGA_FPVERR);
75 	u16 dateStamp = __raw_readw(FPGA_FPDATER);
76 
77 	printk(KERN_INFO "Renesas Technology Europe SDK7780 support.\n");
78 	printk(KERN_INFO "Board version: %d (revision %d), "
79 			 "FPGA version: %d (revision %d), datestamp : %d\n",
80 			 (ver >> 12) & 0xf, (ver >> 8) & 0xf,
81 			 (ver >>  4) & 0xf, ver & 0xf,
82 			 dateStamp);
83 
84 	/* Setup pin mux'ing for PCIC */
85 	__raw_writew(0x0000, GPIO_PECR);
86 }
87 
88 /*
89  * The Machine Vector
90  */
91 static struct sh_machine_vector mv_se7780 __initmv = {
92 	.mv_name        = "Renesas SDK7780-R3" ,
93 	.mv_setup		= sdk7780_setup,
94 	.mv_init_irq	= init_sdk7780_IRQ,
95 };
96 
97