sh: pci: SH7786 PCI ops.
[sfrench/cifs-2.6.git] / arch / sh / boards / mach-highlander / setup.c
1 /*
2  * arch/sh/boards/renesas/r7780rp/setup.c
3  *
4  * Renesas Solutions Highlander Support.
5  *
6  * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
7  * Copyright (C) 2005 - 2008 Paul Mundt
8  *
9  * This contains support for the R7780RP-1, R7780MP, and R7785RP
10  * Highlander modules.
11  *
12  * This file is subject to the terms and conditions of the GNU General Public
13  * License.  See the file "COPYING" in the main directory of this archive
14  * for more details.
15  */
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/ata_platform.h>
19 #include <linux/types.h>
20 #include <linux/i2c.h>
21 #include <linux/irq.h>
22 #include <net/ax88796.h>
23 #include <asm/machvec.h>
24 #include <mach/highlander.h>
25 #include <asm/clock.h>
26 #include <asm/heartbeat.h>
27 #include <asm/io.h>
28 #include <asm/io_trapped.h>
29
30 static struct resource r8a66597_usb_host_resources[] = {
31         [0] = {
32                 .name   = "r8a66597_hcd",
33                 .start  = 0xA4200000,
34                 .end    = 0xA42000FF,
35                 .flags  = IORESOURCE_MEM,
36         },
37         [1] = {
38                 .name   = "r8a66597_hcd",
39                 .start  = IRQ_EXT1,             /* irq number */
40                 .end    = IRQ_EXT1,
41                 .flags  = IORESOURCE_IRQ,
42         },
43 };
44
45 static struct platform_device r8a66597_usb_host_device = {
46         .name           = "r8a66597_hcd",
47         .id             = -1,
48         .dev = {
49                 .dma_mask               = NULL,         /* don't use dma */
50                 .coherent_dma_mask      = 0xffffffff,
51         },
52         .num_resources  = ARRAY_SIZE(r8a66597_usb_host_resources),
53         .resource       = r8a66597_usb_host_resources,
54 };
55
56 static struct resource m66592_usb_peripheral_resources[] = {
57         [0] = {
58                 .name   = "m66592_udc",
59                 .start  = 0xb0000000,
60                 .end    = 0xb00000FF,
61                 .flags  = IORESOURCE_MEM,
62         },
63         [1] = {
64                 .name   = "m66592_udc",
65                 .start  = IRQ_EXT4,             /* irq number */
66                 .end    = IRQ_EXT4,
67                 .flags  = IORESOURCE_IRQ,
68         },
69 };
70
71 static struct platform_device m66592_usb_peripheral_device = {
72         .name           = "m66592_udc",
73         .id             = -1,
74         .dev = {
75                 .dma_mask               = NULL,         /* don't use dma */
76                 .coherent_dma_mask      = 0xffffffff,
77         },
78         .num_resources  = ARRAY_SIZE(m66592_usb_peripheral_resources),
79         .resource       = m66592_usb_peripheral_resources,
80 };
81
82 static struct resource cf_ide_resources[] = {
83         [0] = {
84                 .start  = PA_AREA5_IO + 0x1000,
85                 .end    = PA_AREA5_IO + 0x1000 + 0x08 - 1,
86                 .flags  = IORESOURCE_MEM,
87         },
88         [1] = {
89                 .start  = PA_AREA5_IO + 0x80c,
90                 .end    = PA_AREA5_IO + 0x80c + 0x16 - 1,
91                 .flags  = IORESOURCE_MEM,
92         },
93         [2] = {
94                 .start  = IRQ_CF,
95                 .flags  = IORESOURCE_IRQ,
96         },
97 };
98
99 static struct pata_platform_info pata_info = {
100         .ioport_shift   = 1,
101 };
102
103 static struct platform_device cf_ide_device  = {
104         .name           = "pata_platform",
105         .id             = -1,
106         .num_resources  = ARRAY_SIZE(cf_ide_resources),
107         .resource       = cf_ide_resources,
108         .dev    = {
109                 .platform_data  = &pata_info,
110         },
111 };
112
113 static struct resource heartbeat_resources[] = {
114         [0] = {
115                 .start  = PA_OBLED,
116                 .end    = PA_OBLED,
117                 .flags  = IORESOURCE_MEM,
118         },
119 };
120
121 #ifndef CONFIG_SH_R7785RP
122 static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 };
123
124 static struct heartbeat_data heartbeat_data = {
125         .bit_pos        = heartbeat_bit_pos,
126         .nr_bits        = ARRAY_SIZE(heartbeat_bit_pos),
127 };
128 #endif
129
130 static struct platform_device heartbeat_device = {
131         .name           = "heartbeat",
132         .id             = -1,
133
134         /* R7785RP has a slightly more sensible FPGA.. */
135 #ifndef CONFIG_SH_R7785RP
136         .dev    = {
137                 .platform_data  = &heartbeat_data,
138         },
139 #endif
140         .num_resources  = ARRAY_SIZE(heartbeat_resources),
141         .resource       = heartbeat_resources,
142 };
143
144 static struct ax_plat_data ax88796_platdata = {
145         .flags          = AXFLG_HAS_93CX6,
146         .wordlength     = 2,
147         .dcr_val        = 0x1,
148         .rcr_val        = 0x40,
149 };
150
151 static struct resource ax88796_resources[] = {
152         {
153 #ifdef CONFIG_SH_R7780RP
154                 .start  = 0xa5800400,
155                 .end    = 0xa5800400 + (0x20 * 0x2) - 1,
156 #else
157                 .start  = 0xa4100400,
158                 .end    = 0xa4100400 + (0x20 * 0x2) - 1,
159 #endif
160                 .flags  = IORESOURCE_MEM,
161         },
162         {
163                 .start  = IRQ_AX88796,
164                 .end    = IRQ_AX88796,
165                 .flags  = IORESOURCE_IRQ,
166         },
167 };
168
169 static struct platform_device ax88796_device = {
170         .name           = "ax88796",
171         .id             = 0,
172
173         .dev    = {
174                 .platform_data = &ax88796_platdata,
175         },
176
177         .num_resources  = ARRAY_SIZE(ax88796_resources),
178         .resource       = ax88796_resources,
179 };
180
181 static struct resource smbus_resources[] = {
182         [0] = {
183                 .start  = PA_SMCR,
184                 .end    = PA_SMCR + 0x100 - 1,
185                 .flags  = IORESOURCE_MEM,
186         },
187         [1] = {
188                 .start  = IRQ_SMBUS,
189                 .end    = IRQ_SMBUS,
190                 .flags  = IORESOURCE_IRQ,
191         },
192 };
193
194 static struct platform_device smbus_device = {
195         .name           = "i2c-highlander",
196         .id             = 0,
197         .num_resources  = ARRAY_SIZE(smbus_resources),
198         .resource       = smbus_resources,
199 };
200
201 static struct i2c_board_info __initdata highlander_i2c_devices[] = {
202         {
203                 I2C_BOARD_INFO("r2025sd", 0x32),
204         },
205 };
206
207 static struct platform_device *r7780rp_devices[] __initdata = {
208         &r8a66597_usb_host_device,
209         &m66592_usb_peripheral_device,
210         &heartbeat_device,
211         &smbus_device,
212 #ifndef CONFIG_SH_R7780RP
213         &ax88796_device,
214 #endif
215 };
216
217 /*
218  * The CF is connected using a 16-bit bus where 8-bit operations are
219  * unsupported. The linux ata driver is however using 8-bit operations, so
220  * insert a trapped io filter to convert 8-bit operations into 16-bit.
221  */
222 static struct trapped_io cf_trapped_io = {
223         .resource               = cf_ide_resources,
224         .num_resources          = 2,
225         .minimum_bus_width      = 16,
226 };
227
228 static int __init r7780rp_devices_setup(void)
229 {
230         int ret = 0;
231
232 #ifndef CONFIG_SH_R7780RP
233         if (register_trapped_io(&cf_trapped_io) == 0)
234                 ret |= platform_device_register(&cf_ide_device);
235 #endif
236
237         ret |= platform_add_devices(r7780rp_devices,
238                                     ARRAY_SIZE(r7780rp_devices));
239
240         ret |= i2c_register_board_info(0, highlander_i2c_devices,
241                                        ARRAY_SIZE(highlander_i2c_devices));
242
243         return ret;
244 }
245 device_initcall(r7780rp_devices_setup);
246
247 /*
248  * Platform specific clocks
249  */
250 static void ivdr_clk_enable(struct clk *clk)
251 {
252         ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL);
253 }
254
255 static void ivdr_clk_disable(struct clk *clk)
256 {
257         ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL);
258 }
259
260 static struct clk_ops ivdr_clk_ops = {
261         .enable         = ivdr_clk_enable,
262         .disable        = ivdr_clk_disable,
263 };
264
265 static struct clk ivdr_clk = {
266         .name           = "ivdr_clk",
267         .ops            = &ivdr_clk_ops,
268 };
269
270 static struct clk *r7780rp_clocks[] = {
271         &ivdr_clk,
272 };
273
274 static void r7780rp_power_off(void)
275 {
276         if (mach_is_r7780mp() || mach_is_r7785rp())
277                 ctrl_outw(0x0001, PA_POFF);
278 }
279
280 /*
281  * Initialize the board
282  */
283 static void __init highlander_setup(char **cmdline_p)
284 {
285         u16 ver = ctrl_inw(PA_VERREG);
286         int i;
287
288         printk(KERN_INFO "Renesas Solutions Highlander %s support.\n",
289                          mach_is_r7780rp() ? "R7780RP-1" :
290                          mach_is_r7780mp() ? "R7780MP"   :
291                                              "R7785RP");
292
293         printk(KERN_INFO "Board version: %d (revision %d), "
294                          "FPGA version: %d (revision %d)\n",
295                          (ver >> 12) & 0xf, (ver >> 8) & 0xf,
296                          (ver >>  4) & 0xf, ver & 0xf);
297
298         highlander_plat_pinmux_setup();
299
300         /*
301          * Enable the important clocks right away..
302          */
303         for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) {
304                 struct clk *clk = r7780rp_clocks[i];
305
306                 clk_register(clk);
307                 clk_enable(clk);
308         }
309
310         ctrl_outw(0x0000, PA_OBLED);    /* Clear LED. */
311
312         if (mach_is_r7780rp())
313                 ctrl_outw(0x0001, PA_SDPOW);    /* SD Power ON */
314
315         ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x01, PA_IVDRCTL);     /* Si13112 */
316
317         pm_power_off = r7780rp_power_off;
318 }
319
320 static unsigned char irl2irq[HL_NR_IRL];
321
322 static int highlander_irq_demux(int irq)
323 {
324         if (irq >= HL_NR_IRL || !irl2irq[irq])
325                 return irq;
326
327         return irl2irq[irq];
328 }
329
330 static void __init highlander_init_irq(void)
331 {
332         unsigned char *ucp = highlander_plat_irq_setup();
333
334         if (ucp) {
335                 plat_irq_setup_pins(IRQ_MODE_IRL3210);
336                 memcpy(irl2irq, ucp, HL_NR_IRL);
337         }
338 }
339
340 /*
341  * The Machine Vector
342  */
343 static struct sh_machine_vector mv_highlander __initmv = {
344         .mv_name                = "Highlander",
345         .mv_setup               = highlander_setup,
346         .mv_init_irq            = highlander_init_irq,
347         .mv_irq_demux           = highlander_irq_demux,
348 };