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1 /*
2  * linux/arch/sh/boards/se/7780/setup.c
3  *
4  * Copyright (C) 2006,2007  Nobuhiro Iwamatsu
5  *
6  * Hitachi UL SolutionEngine 7780 Support.
7  *
8  * This file is subject to the terms and conditions of the GNU General Public
9  * License.  See the file "COPYING" in the main directory of this archive
10  * for more details.
11  */
12 #include <linux/init.h>
13 #include <linux/platform_device.h>
14 #include <asm/machvec.h>
15 #include <mach-se/mach/se7780.h>
16 #include <asm/io.h>
17 #include <asm/heartbeat.h>
18 
19 /* Heartbeat */
20 static struct resource heartbeat_resource = {
21 	.start  = PA_LED,
22 	.end    = PA_LED,
23 	.flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
24 };
25 
26 static struct platform_device heartbeat_device = {
27 	.name           = "heartbeat",
28 	.id             = -1,
29 	.num_resources  = 1,
30 	.resource       = &heartbeat_resource,
31 };
32 
33 /* SMC91x */
34 static struct resource smc91x_eth_resources[] = {
35 	[0] = {
36 		.name   = "smc91x-regs" ,
37 		.start  = PA_LAN + 0x300,
38 		.end    = PA_LAN + 0x300 + 0x10 ,
39 		.flags  = IORESOURCE_MEM,
40 	},
41 	[1] = {
42 		.start  = SMC_IRQ,
43 		.end    = SMC_IRQ,
44 		.flags  = IORESOURCE_IRQ,
45 	},
46 };
47 
48 static struct platform_device smc91x_eth_device = {
49 	.name           = "smc91x",
50 	.id             = 0,
51 	.dev = {
52 		.dma_mask               = NULL,         /* don't use dma */
53 		.coherent_dma_mask      = 0xffffffff,
54 	},
55 	.num_resources  = ARRAY_SIZE(smc91x_eth_resources),
56 	.resource       = smc91x_eth_resources,
57 };
58 
59 static struct platform_device *se7780_devices[] __initdata = {
60 	&heartbeat_device,
61 	&smc91x_eth_device,
62 };
63 
se7780_devices_setup(void)64 static int __init se7780_devices_setup(void)
65 {
66 	return platform_add_devices(se7780_devices,
67 		ARRAY_SIZE(se7780_devices));
68 }
69 device_initcall(se7780_devices_setup);
70 
71 #define GPIO_PHCR        0xFFEA000E
72 #define GPIO_PMSELR      0xFFEA0080
73 #define GPIO_PECR        0xFFEA0008
74 
se7780_setup(char ** cmdline_p)75 static void __init se7780_setup(char **cmdline_p)
76 {
77 	/* "SH-Linux" on LED Display */
78 	__raw_writew( 'S' , PA_LED_DISP + (DISP_SEL0_ADDR << 1) );
79 	__raw_writew( 'H' , PA_LED_DISP + (DISP_SEL1_ADDR << 1) );
80 	__raw_writew( '-' , PA_LED_DISP + (DISP_SEL2_ADDR << 1) );
81 	__raw_writew( 'L' , PA_LED_DISP + (DISP_SEL3_ADDR << 1) );
82 	__raw_writew( 'i' , PA_LED_DISP + (DISP_SEL4_ADDR << 1) );
83 	__raw_writew( 'n' , PA_LED_DISP + (DISP_SEL5_ADDR << 1) );
84 	__raw_writew( 'u' , PA_LED_DISP + (DISP_SEL6_ADDR << 1) );
85 	__raw_writew( 'x' , PA_LED_DISP + (DISP_SEL7_ADDR << 1) );
86 
87 	printk(KERN_INFO "Hitachi UL Solutions Engine 7780SE03 support.\n");
88 
89 	/*
90 	 * PCI REQ/GNT setting
91 	 *   REQ0/GNT0 -> USB
92 	 *   REQ1/GNT1 -> PC Card
93 	 *   REQ2/GNT2 -> Serial ATA
94 	 *   REQ3/GNT3 -> PCI slot
95 	 */
96 	__raw_writew(0x0213, FPGA_REQSEL);
97 
98 	/* GPIO setting */
99 	__raw_writew(0x0000, GPIO_PECR);
100 	__raw_writew(__raw_readw(GPIO_PHCR)&0xfff3, GPIO_PHCR);
101 	__raw_writew(0x0c00, GPIO_PMSELR);
102 
103 	/* iVDR Power ON */
104 	__raw_writew(0x0001, FPGA_IVDRPW);
105 }
106 
107 /*
108  * The Machine Vector
109  */
110 static struct sh_machine_vector mv_se7780 __initmv = {
111 	.mv_name                = "Solution Engine 7780" ,
112 	.mv_setup               = se7780_setup ,
113 	.mv_init_irq		= init_se7780_IRQ,
114 };
115