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
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