Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / arch / sh / boards / mach-se / 7780 / setup.c
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
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
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 };