Blame view

kernel/linux-rt-4.4.41/arch/sh/boards/mach-se/7780/setup.c 2.96 KB
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
  /*
   * linux/arch/sh/boards/se/7780/setup.c
   *
   * Copyright (C) 2006,2007  Nobuhiro Iwamatsu
   *
   * Hitachi UL SolutionEngine 7780 Support.
   *
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   */
  #include <linux/init.h>
  #include <linux/platform_device.h>
  #include <asm/machvec.h>
  #include <mach-se/mach/se7780.h>
  #include <asm/io.h>
  #include <asm/heartbeat.h>
  
  /* Heartbeat */
  static struct resource heartbeat_resource = {
  	.start  = PA_LED,
  	.end    = PA_LED,
  	.flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
  };
  
  static struct platform_device heartbeat_device = {
  	.name           = "heartbeat",
  	.id             = -1,
  	.num_resources  = 1,
  	.resource       = &heartbeat_resource,
  };
  
  /* SMC91x */
  static struct resource smc91x_eth_resources[] = {
  	[0] = {
  		.name   = "smc91x-regs" ,
  		.start  = PA_LAN + 0x300,
  		.end    = PA_LAN + 0x300 + 0x10 ,
  		.flags  = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start  = SMC_IRQ,
  		.end    = SMC_IRQ,
  		.flags  = IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device smc91x_eth_device = {
  	.name           = "smc91x",
  	.id             = 0,
  	.dev = {
  		.dma_mask               = NULL,         /* don't use dma */
  		.coherent_dma_mask      = 0xffffffff,
  	},
  	.num_resources  = ARRAY_SIZE(smc91x_eth_resources),
  	.resource       = smc91x_eth_resources,
  };
  
  static struct platform_device *se7780_devices[] __initdata = {
  	&heartbeat_device,
  	&smc91x_eth_device,
  };
  
  static int __init se7780_devices_setup(void)
  {
  	return platform_add_devices(se7780_devices,
  		ARRAY_SIZE(se7780_devices));
  }
  device_initcall(se7780_devices_setup);
  
  #define GPIO_PHCR        0xFFEA000E
  #define GPIO_PMSELR      0xFFEA0080
  #define GPIO_PECR        0xFFEA0008
  
  static void __init se7780_setup(char **cmdline_p)
  {
  	/* "SH-Linux" on LED Display */
  	__raw_writew( 'S' , PA_LED_DISP + (DISP_SEL0_ADDR << 1) );
  	__raw_writew( 'H' , PA_LED_DISP + (DISP_SEL1_ADDR << 1) );
  	__raw_writew( '-' , PA_LED_DISP + (DISP_SEL2_ADDR << 1) );
  	__raw_writew( 'L' , PA_LED_DISP + (DISP_SEL3_ADDR << 1) );
  	__raw_writew( 'i' , PA_LED_DISP + (DISP_SEL4_ADDR << 1) );
  	__raw_writew( 'n' , PA_LED_DISP + (DISP_SEL5_ADDR << 1) );
  	__raw_writew( 'u' , PA_LED_DISP + (DISP_SEL6_ADDR << 1) );
  	__raw_writew( 'x' , PA_LED_DISP + (DISP_SEL7_ADDR << 1) );
  
  	printk(KERN_INFO "Hitachi UL Solutions Engine 7780SE03 support.
  ");
  
  	/*
  	 * PCI REQ/GNT setting
  	 *   REQ0/GNT0 -> USB
  	 *   REQ1/GNT1 -> PC Card
  	 *   REQ2/GNT2 -> Serial ATA
  	 *   REQ3/GNT3 -> PCI slot
  	 */
  	__raw_writew(0x0213, FPGA_REQSEL);
  
  	/* GPIO setting */
  	__raw_writew(0x0000, GPIO_PECR);
  	__raw_writew(__raw_readw(GPIO_PHCR)&0xfff3, GPIO_PHCR);
  	__raw_writew(0x0c00, GPIO_PMSELR);
  
  	/* iVDR Power ON */
  	__raw_writew(0x0001, FPGA_IVDRPW);
  }
  
  /*
   * The Machine Vector
   */
  static struct sh_machine_vector mv_se7780 __initmv = {
  	.mv_name                = "Solution Engine 7780" ,
  	.mv_setup               = se7780_setup ,
  	.mv_init_irq		= init_se7780_IRQ,
  };