xref: /openbmc/linux/arch/sh/boards/mach-se/7780/setup.c (revision aaf9128a)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * linux/arch/sh/boards/se/7780/setup.c
4  *
5  * Copyright (C) 2006,2007  Nobuhiro Iwamatsu
6  *
7  * Hitachi UL SolutionEngine 7780 Support.
8  */
9 #include <linux/init.h>
10 #include <linux/platform_device.h>
11 #include <asm/machvec.h>
12 #include <mach-se/mach/se7780.h>
13 #include <asm/io.h>
14 #include <asm/heartbeat.h>
15 
16 /* Heartbeat */
17 static struct resource heartbeat_resource = {
18 	.start  = PA_LED,
19 	.end    = PA_LED,
20 	.flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
21 };
22 
23 static struct platform_device heartbeat_device = {
24 	.name           = "heartbeat",
25 	.id             = -1,
26 	.num_resources  = 1,
27 	.resource       = &heartbeat_resource,
28 };
29 
30 /* SMC91x */
31 static struct resource smc91x_eth_resources[] = {
32 	[0] = {
33 		.name   = "smc91x-regs" ,
34 		.start  = PA_LAN + 0x300,
35 		.end    = PA_LAN + 0x300 + 0x10 ,
36 		.flags  = IORESOURCE_MEM,
37 	},
38 	[1] = {
39 		.start  = SMC_IRQ,
40 		.end    = SMC_IRQ,
41 		.flags  = IORESOURCE_IRQ,
42 	},
43 };
44 
45 static struct platform_device smc91x_eth_device = {
46 	.name           = "smc91x",
47 	.id             = 0,
48 	.dev = {
49 		.dma_mask               = NULL,         /* don't use dma */
50 		.coherent_dma_mask      = 0xffffffff,
51 	},
52 	.num_resources  = ARRAY_SIZE(smc91x_eth_resources),
53 	.resource       = smc91x_eth_resources,
54 };
55 
56 static struct platform_device *se7780_devices[] __initdata = {
57 	&heartbeat_device,
58 	&smc91x_eth_device,
59 };
60 
se7780_devices_setup(void)61 static int __init se7780_devices_setup(void)
62 {
63 	return platform_add_devices(se7780_devices,
64 		ARRAY_SIZE(se7780_devices));
65 }
66 device_initcall(se7780_devices_setup);
67 
68 #define GPIO_PHCR        0xFFEA000E
69 #define GPIO_PMSELR      0xFFEA0080
70 #define GPIO_PECR        0xFFEA0008
71 
se7780_setup(char ** cmdline_p)72 static void __init se7780_setup(char **cmdline_p)
73 {
74 	/* "SH-Linux" on LED Display */
75 	__raw_writew( 'S' , PA_LED_DISP + (DISP_SEL0_ADDR << 1) );
76 	__raw_writew( 'H' , PA_LED_DISP + (DISP_SEL1_ADDR << 1) );
77 	__raw_writew( '-' , PA_LED_DISP + (DISP_SEL2_ADDR << 1) );
78 	__raw_writew( 'L' , PA_LED_DISP + (DISP_SEL3_ADDR << 1) );
79 	__raw_writew( 'i' , PA_LED_DISP + (DISP_SEL4_ADDR << 1) );
80 	__raw_writew( 'n' , PA_LED_DISP + (DISP_SEL5_ADDR << 1) );
81 	__raw_writew( 'u' , PA_LED_DISP + (DISP_SEL6_ADDR << 1) );
82 	__raw_writew( 'x' , PA_LED_DISP + (DISP_SEL7_ADDR << 1) );
83 
84 	printk(KERN_INFO "Hitachi UL Solutions Engine 7780SE03 support.\n");
85 
86 	/*
87 	 * PCI REQ/GNT setting
88 	 *   REQ0/GNT0 -> USB
89 	 *   REQ1/GNT1 -> PC Card
90 	 *   REQ2/GNT2 -> Serial ATA
91 	 *   REQ3/GNT3 -> PCI slot
92 	 */
93 	__raw_writew(0x0213, FPGA_REQSEL);
94 
95 	/* GPIO setting */
96 	__raw_writew(0x0000, GPIO_PECR);
97 	__raw_writew(__raw_readw(GPIO_PHCR)&0xfff3, GPIO_PHCR);
98 	__raw_writew(0x0c00, GPIO_PMSELR);
99 
100 	/* iVDR Power ON */
101 	__raw_writew(0x0001, FPGA_IVDRPW);
102 }
103 
104 /*
105  * The Machine Vector
106  */
107 static struct sh_machine_vector mv_se7780 __initmv = {
108 	.mv_name                = "Solution Engine 7780" ,
109 	.mv_setup               = se7780_setup ,
110 	.mv_init_irq		= init_se7780_IRQ,
111 };
112