diff options
Diffstat (limited to 'arch/sh/boards/mach-highlander/setup.c')
-rw-r--r-- | arch/sh/boards/mach-highlander/setup.c | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-highlander/setup.c b/arch/sh/boards/mach-highlander/setup.c new file mode 100644 index 000000000000..bc79afb6fc4c --- /dev/null +++ b/arch/sh/boards/mach-highlander/setup.c | |||
@@ -0,0 +1,345 @@ | |||
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 <net/ax88796.h> | ||
22 | #include <asm/machvec.h> | ||
23 | #include <asm/r7780rp.h> | ||
24 | #include <asm/clock.h> | ||
25 | #include <asm/heartbeat.h> | ||
26 | #include <asm/io.h> | ||
27 | #include <asm/io_trapped.h> | ||
28 | |||
29 | static struct resource r8a66597_usb_host_resources[] = { | ||
30 | [0] = { | ||
31 | .name = "r8a66597_hcd", | ||
32 | .start = 0xA4200000, | ||
33 | .end = 0xA42000FF, | ||
34 | .flags = IORESOURCE_MEM, | ||
35 | }, | ||
36 | [1] = { | ||
37 | .name = "r8a66597_hcd", | ||
38 | .start = IRQ_EXT1, /* irq number */ | ||
39 | .end = IRQ_EXT1, | ||
40 | .flags = IORESOURCE_IRQ, | ||
41 | }, | ||
42 | }; | ||
43 | |||
44 | static struct platform_device r8a66597_usb_host_device = { | ||
45 | .name = "r8a66597_hcd", | ||
46 | .id = -1, | ||
47 | .dev = { | ||
48 | .dma_mask = NULL, /* don't use dma */ | ||
49 | .coherent_dma_mask = 0xffffffff, | ||
50 | }, | ||
51 | .num_resources = ARRAY_SIZE(r8a66597_usb_host_resources), | ||
52 | .resource = r8a66597_usb_host_resources, | ||
53 | }; | ||
54 | |||
55 | static struct resource m66592_usb_peripheral_resources[] = { | ||
56 | [0] = { | ||
57 | .name = "m66592_udc", | ||
58 | .start = 0xb0000000, | ||
59 | .end = 0xb00000FF, | ||
60 | .flags = IORESOURCE_MEM, | ||
61 | }, | ||
62 | [1] = { | ||
63 | .name = "m66592_udc", | ||
64 | .start = IRQ_EXT4, /* irq number */ | ||
65 | .end = IRQ_EXT4, | ||
66 | .flags = IORESOURCE_IRQ, | ||
67 | }, | ||
68 | }; | ||
69 | |||
70 | static struct platform_device m66592_usb_peripheral_device = { | ||
71 | .name = "m66592_udc", | ||
72 | .id = -1, | ||
73 | .dev = { | ||
74 | .dma_mask = NULL, /* don't use dma */ | ||
75 | .coherent_dma_mask = 0xffffffff, | ||
76 | }, | ||
77 | .num_resources = ARRAY_SIZE(m66592_usb_peripheral_resources), | ||
78 | .resource = m66592_usb_peripheral_resources, | ||
79 | }; | ||
80 | |||
81 | static struct resource cf_ide_resources[] = { | ||
82 | [0] = { | ||
83 | .start = PA_AREA5_IO + 0x1000, | ||
84 | .end = PA_AREA5_IO + 0x1000 + 0x08 - 1, | ||
85 | .flags = IORESOURCE_MEM, | ||
86 | }, | ||
87 | [1] = { | ||
88 | .start = PA_AREA5_IO + 0x80c, | ||
89 | .end = PA_AREA5_IO + 0x80c + 0x16 - 1, | ||
90 | .flags = IORESOURCE_MEM, | ||
91 | }, | ||
92 | [2] = { | ||
93 | .start = IRQ_CF, | ||
94 | .flags = IORESOURCE_IRQ, | ||
95 | }, | ||
96 | }; | ||
97 | |||
98 | static struct pata_platform_info pata_info = { | ||
99 | .ioport_shift = 1, | ||
100 | }; | ||
101 | |||
102 | static struct platform_device cf_ide_device = { | ||
103 | .name = "pata_platform", | ||
104 | .id = -1, | ||
105 | .num_resources = ARRAY_SIZE(cf_ide_resources), | ||
106 | .resource = cf_ide_resources, | ||
107 | .dev = { | ||
108 | .platform_data = &pata_info, | ||
109 | }, | ||
110 | }; | ||
111 | |||
112 | static struct resource heartbeat_resources[] = { | ||
113 | [0] = { | ||
114 | .start = PA_OBLED, | ||
115 | .end = PA_OBLED, | ||
116 | .flags = IORESOURCE_MEM, | ||
117 | }, | ||
118 | }; | ||
119 | |||
120 | #ifndef CONFIG_SH_R7785RP | ||
121 | static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 }; | ||
122 | |||
123 | static struct heartbeat_data heartbeat_data = { | ||
124 | .bit_pos = heartbeat_bit_pos, | ||
125 | .nr_bits = ARRAY_SIZE(heartbeat_bit_pos), | ||
126 | }; | ||
127 | #endif | ||
128 | |||
129 | static struct platform_device heartbeat_device = { | ||
130 | .name = "heartbeat", | ||
131 | .id = -1, | ||
132 | |||
133 | /* R7785RP has a slightly more sensible FPGA.. */ | ||
134 | #ifndef CONFIG_SH_R7785RP | ||
135 | .dev = { | ||
136 | .platform_data = &heartbeat_data, | ||
137 | }, | ||
138 | #endif | ||
139 | .num_resources = ARRAY_SIZE(heartbeat_resources), | ||
140 | .resource = heartbeat_resources, | ||
141 | }; | ||
142 | |||
143 | static struct ax_plat_data ax88796_platdata = { | ||
144 | .flags = AXFLG_HAS_93CX6, | ||
145 | .wordlength = 2, | ||
146 | .dcr_val = 0x1, | ||
147 | .rcr_val = 0x40, | ||
148 | }; | ||
149 | |||
150 | static struct resource ax88796_resources[] = { | ||
151 | { | ||
152 | #ifdef CONFIG_SH_R7780RP | ||
153 | .start = 0xa5800400, | ||
154 | .end = 0xa5800400 + (0x20 * 0x2) - 1, | ||
155 | #else | ||
156 | .start = 0xa4100400, | ||
157 | .end = 0xa4100400 + (0x20 * 0x2) - 1, | ||
158 | #endif | ||
159 | .flags = IORESOURCE_MEM, | ||
160 | }, | ||
161 | { | ||
162 | .start = IRQ_AX88796, | ||
163 | .end = IRQ_AX88796, | ||
164 | .flags = IORESOURCE_IRQ, | ||
165 | }, | ||
166 | }; | ||
167 | |||
168 | static struct platform_device ax88796_device = { | ||
169 | .name = "ax88796", | ||
170 | .id = 0, | ||
171 | |||
172 | .dev = { | ||
173 | .platform_data = &ax88796_platdata, | ||
174 | }, | ||
175 | |||
176 | .num_resources = ARRAY_SIZE(ax88796_resources), | ||
177 | .resource = ax88796_resources, | ||
178 | }; | ||
179 | |||
180 | static struct resource smbus_resources[] = { | ||
181 | [0] = { | ||
182 | .start = PA_SMCR, | ||
183 | .end = PA_SMCR + 0x100 - 1, | ||
184 | .flags = IORESOURCE_MEM, | ||
185 | }, | ||
186 | [1] = { | ||
187 | .start = IRQ_SMBUS, | ||
188 | .end = IRQ_SMBUS, | ||
189 | .flags = IORESOURCE_IRQ, | ||
190 | }, | ||
191 | }; | ||
192 | |||
193 | static struct platform_device smbus_device = { | ||
194 | .name = "i2c-highlander", | ||
195 | .id = 0, | ||
196 | .num_resources = ARRAY_SIZE(smbus_resources), | ||
197 | .resource = smbus_resources, | ||
198 | }; | ||
199 | |||
200 | static struct i2c_board_info __initdata highlander_i2c_devices[] = { | ||
201 | { | ||
202 | I2C_BOARD_INFO("r2025sd", 0x32), | ||
203 | }, | ||
204 | }; | ||
205 | |||
206 | static struct platform_device *r7780rp_devices[] __initdata = { | ||
207 | &r8a66597_usb_host_device, | ||
208 | &m66592_usb_peripheral_device, | ||
209 | &heartbeat_device, | ||
210 | &smbus_device, | ||
211 | #ifndef CONFIG_SH_R7780RP | ||
212 | &ax88796_device, | ||
213 | #endif | ||
214 | }; | ||
215 | |||
216 | /* | ||
217 | * The CF is connected using a 16-bit bus where 8-bit operations are | ||
218 | * unsupported. The linux ata driver is however using 8-bit operations, so | ||
219 | * insert a trapped io filter to convert 8-bit operations into 16-bit. | ||
220 | */ | ||
221 | static struct trapped_io cf_trapped_io = { | ||
222 | .resource = cf_ide_resources, | ||
223 | .num_resources = 2, | ||
224 | .minimum_bus_width = 16, | ||
225 | }; | ||
226 | |||
227 | static int __init r7780rp_devices_setup(void) | ||
228 | { | ||
229 | int ret = 0; | ||
230 | |||
231 | #ifndef CONFIG_SH_R7780RP | ||
232 | if (register_trapped_io(&cf_trapped_io) == 0) | ||
233 | ret |= platform_device_register(&cf_ide_device); | ||
234 | #endif | ||
235 | |||
236 | ret |= platform_add_devices(r7780rp_devices, | ||
237 | ARRAY_SIZE(r7780rp_devices)); | ||
238 | |||
239 | ret |= i2c_register_board_info(0, highlander_i2c_devices, | ||
240 | ARRAY_SIZE(highlander_i2c_devices)); | ||
241 | |||
242 | return ret; | ||
243 | } | ||
244 | device_initcall(r7780rp_devices_setup); | ||
245 | |||
246 | /* | ||
247 | * Platform specific clocks | ||
248 | */ | ||
249 | static void ivdr_clk_enable(struct clk *clk) | ||
250 | { | ||
251 | ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL); | ||
252 | } | ||
253 | |||
254 | static void ivdr_clk_disable(struct clk *clk) | ||
255 | { | ||
256 | ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL); | ||
257 | } | ||
258 | |||
259 | static struct clk_ops ivdr_clk_ops = { | ||
260 | .enable = ivdr_clk_enable, | ||
261 | .disable = ivdr_clk_disable, | ||
262 | }; | ||
263 | |||
264 | static struct clk ivdr_clk = { | ||
265 | .name = "ivdr_clk", | ||
266 | .ops = &ivdr_clk_ops, | ||
267 | }; | ||
268 | |||
269 | static struct clk *r7780rp_clocks[] = { | ||
270 | &ivdr_clk, | ||
271 | }; | ||
272 | |||
273 | static void r7780rp_power_off(void) | ||
274 | { | ||
275 | if (mach_is_r7780mp() || mach_is_r7785rp()) | ||
276 | ctrl_outw(0x0001, PA_POFF); | ||
277 | } | ||
278 | |||
279 | /* | ||
280 | * Initialize the board | ||
281 | */ | ||
282 | static void __init highlander_setup(char **cmdline_p) | ||
283 | { | ||
284 | u16 ver = ctrl_inw(PA_VERREG); | ||
285 | int i; | ||
286 | |||
287 | printk(KERN_INFO "Renesas Solutions Highlander %s support.\n", | ||
288 | mach_is_r7780rp() ? "R7780RP-1" : | ||
289 | mach_is_r7780mp() ? "R7780MP" : | ||
290 | "R7785RP"); | ||
291 | |||
292 | printk(KERN_INFO "Board version: %d (revision %d), " | ||
293 | "FPGA version: %d (revision %d)\n", | ||
294 | (ver >> 12) & 0xf, (ver >> 8) & 0xf, | ||
295 | (ver >> 4) & 0xf, ver & 0xf); | ||
296 | |||
297 | /* | ||
298 | * Enable the important clocks right away.. | ||
299 | */ | ||
300 | for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) { | ||
301 | struct clk *clk = r7780rp_clocks[i]; | ||
302 | |||
303 | clk_register(clk); | ||
304 | clk_enable(clk); | ||
305 | } | ||
306 | |||
307 | ctrl_outw(0x0000, PA_OBLED); /* Clear LED. */ | ||
308 | |||
309 | if (mach_is_r7780rp()) | ||
310 | ctrl_outw(0x0001, PA_SDPOW); /* SD Power ON */ | ||
311 | |||
312 | ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x01, PA_IVDRCTL); /* Si13112 */ | ||
313 | |||
314 | pm_power_off = r7780rp_power_off; | ||
315 | } | ||
316 | |||
317 | static unsigned char irl2irq[HL_NR_IRL]; | ||
318 | |||
319 | static int highlander_irq_demux(int irq) | ||
320 | { | ||
321 | if (irq >= HL_NR_IRL || !irl2irq[irq]) | ||
322 | return irq; | ||
323 | |||
324 | return irl2irq[irq]; | ||
325 | } | ||
326 | |||
327 | static void __init highlander_init_irq(void) | ||
328 | { | ||
329 | unsigned char *ucp = highlander_plat_irq_setup(); | ||
330 | |||
331 | if (ucp) { | ||
332 | plat_irq_setup_pins(IRQ_MODE_IRL3210); | ||
333 | memcpy(irl2irq, ucp, HL_NR_IRL); | ||
334 | } | ||
335 | } | ||
336 | |||
337 | /* | ||
338 | * The Machine Vector | ||
339 | */ | ||
340 | static struct sh_machine_vector mv_highlander __initmv = { | ||
341 | .mv_name = "Highlander", | ||
342 | .mv_setup = highlander_setup, | ||
343 | .mv_init_irq = highlander_init_irq, | ||
344 | .mv_irq_demux = highlander_irq_demux, | ||
345 | }; | ||