Linux Kernel  3.7.1
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setup.c
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1 /*
2  * linux/arch/sh/boards/se/7722/setup.c
3  *
4  * Copyright (C) 2007 Nobuhiro Iwamatsu
5  * Copyright (C) 2012 Paul Mundt
6  *
7  * Hitachi UL SolutionEngine 7722 Support.
8  *
9  * This file is subject to the terms and conditions of the GNU General Public
10  * License. See the file "COPYING" in the main directory of this archive
11  * for more details.
12  *
13  */
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
16 #include <linux/ata_platform.h>
17 #include <linux/input.h>
18 #include <linux/input/sh_keysc.h>
19 #include <linux/irqdomain.h>
20 #include <linux/smc91x.h>
21 #include <linux/sh_intc.h>
22 #include <mach-se/mach/se7722.h>
23 #include <mach-se/mach/mrshpc.h>
24 #include <asm/machvec.h>
25 #include <asm/clock.h>
26 #include <asm/io.h>
27 #include <asm/heartbeat.h>
28 #include <cpu/sh7722.h>
29 
30 /* Heartbeat */
31 static struct resource heartbeat_resource = {
32  .start = PA_LED,
33  .end = PA_LED,
35 };
36 
37 static struct platform_device heartbeat_device = {
38  .name = "heartbeat",
39  .id = -1,
40  .num_resources = 1,
41  .resource = &heartbeat_resource,
42 };
43 
44 /* SMC91x */
45 static struct smc91x_platdata smc91x_info = {
46  .flags = SMC91X_USE_16BIT,
47 };
48 
49 static struct resource smc91x_eth_resources[] = {
50  [0] = {
51  .name = "smc91x-regs" ,
52  .start = PA_LAN + 0x300,
53  .end = PA_LAN + 0x300 + 0x10 ,
54  .flags = IORESOURCE_MEM,
55  },
56  [1] = {
57  /* Filled in later */
58  .flags = IORESOURCE_IRQ,
59  },
60 };
61 
62 static struct platform_device smc91x_eth_device = {
63  .name = "smc91x",
64  .id = 0,
65  .dev = {
66  .dma_mask = NULL, /* don't use dma */
67  .coherent_dma_mask = 0xffffffff,
68  .platform_data = &smc91x_info,
69  },
70  .num_resources = ARRAY_SIZE(smc91x_eth_resources),
71  .resource = smc91x_eth_resources,
72 };
73 
74 static struct resource cf_ide_resources[] = {
75  [0] = {
76  .start = PA_MRSHPC_IO + 0x1f0,
77  .end = PA_MRSHPC_IO + 0x1f0 + 8 ,
78  .flags = IORESOURCE_IO,
79  },
80  [1] = {
81  .start = PA_MRSHPC_IO + 0x1f0 + 0x206,
82  .end = PA_MRSHPC_IO + 0x1f0 +8 + 0x206 + 8,
83  .flags = IORESOURCE_IO,
84  },
85  [2] = {
86  /* Filled in later */
87  .flags = IORESOURCE_IRQ,
88  },
89 };
90 
91 static struct platform_device cf_ide_device = {
92  .name = "pata_platform",
93  .id = -1,
94  .num_resources = ARRAY_SIZE(cf_ide_resources),
95  .resource = cf_ide_resources,
96 };
97 
98 static struct sh_keysc_info sh_keysc_info = {
99  .mode = SH_KEYSC_MODE_1, /* KEYOUT0->5, KEYIN0->4 */
100  .scan_timing = 3,
101  .delay = 5,
102  .keycodes = { /* SW1 -> SW30 */
108  KEY_Z,
109  KEY_HOME, KEY_SLEEP, KEY_WAKEUP, KEY_COFFEE, /* life */
110  },
111 };
112 
113 static struct resource sh_keysc_resources[] = {
114  [0] = {
115  .start = 0x044b0000,
116  .end = 0x044b000f,
117  .flags = IORESOURCE_MEM,
118  },
119  [1] = {
120  .start = evt2irq(0xbe0),
121  .flags = IORESOURCE_IRQ,
122  },
123 };
124 
125 static struct platform_device sh_keysc_device = {
126  .name = "sh_keysc",
127  .id = 0, /* "keysc0" clock */
128  .num_resources = ARRAY_SIZE(sh_keysc_resources),
129  .resource = sh_keysc_resources,
130  .dev = {
131  .platform_data = &sh_keysc_info,
132  },
133 };
134 
135 static struct platform_device *se7722_devices[] __initdata = {
136  &heartbeat_device,
137  &smc91x_eth_device,
138  &cf_ide_device,
139  &sh_keysc_device,
140 };
141 
142 static int __init se7722_devices_setup(void)
143 {
144  mrshpc_setup_windows();
145 
146  /* Wire-up dynamic vectors */
147  cf_ide_resources[2].start = cf_ide_resources[2].end =
149 
150  smc91x_eth_resources[1].start = smc91x_eth_resources[1].end =
152 
153  return platform_add_devices(se7722_devices, ARRAY_SIZE(se7722_devices));
154 }
155 device_initcall(se7722_devices_setup);
156 
157 static void __init se7722_setup(char **cmdline_p)
158 {
159  __raw_writew(0x010D, FPGA_OUT); /* FPGA */
160 
161  __raw_writew(0x0000, PORT_PECR); /* PORT E 1 = IRQ5 ,E 0 = BS */
162  __raw_writew(0x1000, PORT_PJCR); /* PORT J 1 = IRQ1,J 0 =IRQ0 */
163 
164  /* LCDC I/O */
165  __raw_writew(0x0020, PORT_PSELD);
166 
167  /* SIOF1*/
168  __raw_writew(0x0003, PORT_PSELB);
169  __raw_writew(0xe000, PORT_PSELC);
170  __raw_writew(0x0000, PORT_PKCR);
171 
172  /* LCDC */
173  __raw_writew(0x4020, PORT_PHCR);
174  __raw_writew(0x0000, PORT_PLCR);
175  __raw_writew(0x0000, PORT_PMCR);
176  __raw_writew(0x0002, PORT_PRCR);
177  __raw_writew(0x0000, PORT_PXCR); /* LCDC,CS6A */
178 
179  /* KEYSC */
180  __raw_writew(0x0A10, PORT_PSELA); /* BS,SHHID2 */
181  __raw_writew(0x0000, PORT_PYCR);
182  __raw_writew(0x0000, PORT_PZCR);
185 }
186 
187 /*
188  * The Machine Vector
189  */
190 static struct sh_machine_vector mv_se7722 __initmv = {
191  .mv_name = "Solution Engine 7722" ,
192  .mv_setup = se7722_setup ,
193  .mv_init_irq = init_se7722_IRQ,
194 };