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(addr: FPGA_FPVERR); |
75 | u16 dateStamp = __raw_readw(addr: 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(val: 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 | |