Commit | Line | Data |
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5283ecb5 PM |
1 | /* |
2 | * arch/sh/boards/renesas/r7780rp/setup.c | |
3 | * | |
32351a28 PM |
4 | * Renesas Solutions Highlander Support. |
5 | * | |
5283ecb5 | 6 | * Copyright (C) 2002 Atom Create Engineering Co., Ltd. |
71074d3a | 7 | * Copyright (C) 2005 - 2007 Paul Mundt |
5283ecb5 | 8 | * |
32351a28 PM |
9 | * This contains support for the R7780RP-1, R7780MP, and R7785RP |
10 | * Highlander modules. | |
5283ecb5 PM |
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> | |
0a87e3e9 | 18 | #include <linux/ata_platform.h> |
b5751e2e | 19 | #include <linux/types.h> |
c6f93a34 | 20 | #include <net/ax88796.h> |
5283ecb5 | 21 | #include <asm/machvec.h> |
082c44d2 | 22 | #include <asm/r7780rp.h> |
5283ecb5 | 23 | #include <asm/clock.h> |
8786c952 | 24 | #include <asm/heartbeat.h> |
5283ecb5 | 25 | #include <asm/io.h> |
c1a34e4c | 26 | #include <asm/io_trapped.h> |
5283ecb5 | 27 | |
e6c972f2 YS |
28 | static struct resource r8a66597_usb_host_resources[] = { |
29 | [0] = { | |
30 | .name = "r8a66597_hcd", | |
31 | .start = 0xA4200000, | |
32 | .end = 0xA42000FF, | |
33 | .flags = IORESOURCE_MEM, | |
34 | }, | |
35 | [1] = { | |
36 | .name = "r8a66597_hcd", | |
897cfcd8 MD |
37 | .start = IRQ_EXT1, /* irq number */ |
38 | .end = IRQ_EXT1, | |
e6c972f2 YS |
39 | .flags = IORESOURCE_IRQ, |
40 | }, | |
41 | }; | |
42 | ||
43 | static struct platform_device r8a66597_usb_host_device = { | |
44 | .name = "r8a66597_hcd", | |
45 | .id = -1, | |
46 | .dev = { | |
47 | .dma_mask = NULL, /* don't use dma */ | |
48 | .coherent_dma_mask = 0xffffffff, | |
49 | }, | |
50 | .num_resources = ARRAY_SIZE(r8a66597_usb_host_resources), | |
51 | .resource = r8a66597_usb_host_resources, | |
52 | }; | |
53 | ||
54 | static struct resource m66592_usb_peripheral_resources[] = { | |
55 | [0] = { | |
56 | .name = "m66592_udc", | |
57 | .start = 0xb0000000, | |
58 | .end = 0xb00000FF, | |
59 | .flags = IORESOURCE_MEM, | |
60 | }, | |
61 | [1] = { | |
62 | .name = "m66592_udc", | |
897cfcd8 MD |
63 | .start = IRQ_EXT4, /* irq number */ |
64 | .end = IRQ_EXT4, | |
e6c972f2 YS |
65 | .flags = IORESOURCE_IRQ, |
66 | }, | |
67 | }; | |
68 | ||
69 | static struct platform_device m66592_usb_peripheral_device = { | |
70 | .name = "m66592_udc", | |
71 | .id = -1, | |
72 | .dev = { | |
73 | .dma_mask = NULL, /* don't use dma */ | |
74 | .coherent_dma_mask = 0xffffffff, | |
75 | }, | |
76 | .num_resources = ARRAY_SIZE(m66592_usb_peripheral_resources), | |
77 | .resource = m66592_usb_peripheral_resources, | |
78 | }; | |
79 | ||
0c020e3d PM |
80 | static struct resource cf_ide_resources[] = { |
81 | [0] = { | |
71074d3a PM |
82 | .start = PA_AREA5_IO + 0x1000, |
83 | .end = PA_AREA5_IO + 0x1000 + 0x08 - 1, | |
84 | .flags = IORESOURCE_MEM, | |
0c020e3d PM |
85 | }, |
86 | [1] = { | |
71074d3a PM |
87 | .start = PA_AREA5_IO + 0x80c, |
88 | .end = PA_AREA5_IO + 0x80c + 0x16 - 1, | |
89 | .flags = IORESOURCE_MEM, | |
0c020e3d PM |
90 | }, |
91 | [2] = { | |
897cfcd8 | 92 | .start = IRQ_CF, |
0c020e3d PM |
93 | .flags = IORESOURCE_IRQ, |
94 | }, | |
95 | }; | |
96 | ||
71074d3a PM |
97 | static struct pata_platform_info pata_info = { |
98 | .ioport_shift = 1, | |
99 | }; | |
100 | ||
0c020e3d PM |
101 | static struct platform_device cf_ide_device = { |
102 | .name = "pata_platform", | |
103 | .id = -1, | |
104 | .num_resources = ARRAY_SIZE(cf_ide_resources), | |
105 | .resource = cf_ide_resources, | |
71074d3a PM |
106 | .dev = { |
107 | .platform_data = &pata_info, | |
108 | }, | |
0c020e3d PM |
109 | }; |
110 | ||
3b4d9539 PM |
111 | static struct resource heartbeat_resources[] = { |
112 | [0] = { | |
113 | .start = PA_OBLED, | |
a1fd306b | 114 | .end = PA_OBLED, |
3b4d9539 PM |
115 | .flags = IORESOURCE_MEM, |
116 | }, | |
117 | }; | |
118 | ||
8786c952 PM |
119 | #ifndef CONFIG_SH_R7785RP |
120 | static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 }; | |
121 | ||
122 | static struct heartbeat_data heartbeat_data = { | |
123 | .bit_pos = heartbeat_bit_pos, | |
124 | .nr_bits = ARRAY_SIZE(heartbeat_bit_pos), | |
125 | }; | |
126 | #endif | |
127 | ||
3b4d9539 PM |
128 | static struct platform_device heartbeat_device = { |
129 | .name = "heartbeat", | |
130 | .id = -1, | |
32351a28 PM |
131 | |
132 | /* R7785RP has a slightly more sensible FPGA.. */ | |
133 | #ifndef CONFIG_SH_R7785RP | |
3b4d9539 | 134 | .dev = { |
a1fd306b | 135 | .platform_data = &heartbeat_data, |
3b4d9539 | 136 | }, |
32351a28 | 137 | #endif |
3b4d9539 PM |
138 | .num_resources = ARRAY_SIZE(heartbeat_resources), |
139 | .resource = heartbeat_resources, | |
140 | }; | |
141 | ||
c6f93a34 MD |
142 | static struct ax_plat_data ax88796_platdata = { |
143 | .flags = AXFLG_HAS_93CX6, | |
144 | .wordlength = 2, | |
145 | .dcr_val = 0x1, | |
146 | .rcr_val = 0x40, | |
147 | }; | |
148 | ||
149 | static struct resource ax88796_resources[] = { | |
150 | { | |
151 | #ifdef CONFIG_SH_R7780RP | |
152 | .start = 0xa5800400, | |
153 | .end = 0xa5800400 + (0x20 * 0x2) - 1, | |
154 | #else | |
155 | .start = 0xa4100400, | |
156 | .end = 0xa4100400 + (0x20 * 0x2) - 1, | |
157 | #endif | |
158 | .flags = IORESOURCE_MEM, | |
159 | }, | |
160 | { | |
161 | .start = IRQ_AX88796, | |
162 | .end = IRQ_AX88796, | |
163 | .flags = IORESOURCE_IRQ, | |
164 | }, | |
165 | }; | |
166 | ||
167 | static struct platform_device ax88796_device = { | |
168 | .name = "ax88796", | |
169 | .id = 0, | |
170 | ||
171 | .dev = { | |
172 | .platform_data = &ax88796_platdata, | |
173 | }, | |
174 | ||
175 | .num_resources = ARRAY_SIZE(ax88796_resources), | |
176 | .resource = ax88796_resources, | |
177 | }; | |
178 | ||
179 | ||
5283ecb5 | 180 | static struct platform_device *r7780rp_devices[] __initdata = { |
e6c972f2 YS |
181 | &r8a66597_usb_host_device, |
182 | &m66592_usb_peripheral_device, | |
3b4d9539 | 183 | &heartbeat_device, |
da2d7f4b | 184 | #ifndef CONFIG_SH_R7780RP |
c6f93a34 | 185 | &ax88796_device, |
da2d7f4b | 186 | #endif |
5283ecb5 PM |
187 | }; |
188 | ||
c1a34e4c MD |
189 | /* |
190 | * The CF is connected using a 16-bit bus where 8-bit operations are | |
191 | * unsupported. The linux ata driver is however using 8-bit operations, so | |
192 | * insert a trapped io filter to convert 8-bit operations into 16-bit. | |
193 | */ | |
194 | static struct trapped_io cf_trapped_io = { | |
195 | .resource = cf_ide_resources, | |
196 | .num_resources = 2, | |
197 | .minimum_bus_width = 16, | |
198 | }; | |
199 | ||
5283ecb5 PM |
200 | static int __init r7780rp_devices_setup(void) |
201 | { | |
c1a34e4c MD |
202 | #ifndef CONFIG_SH_R7780RP |
203 | if (register_trapped_io(&cf_trapped_io) == 0) | |
204 | platform_device_register(&cf_ide_device); | |
205 | #endif | |
5283ecb5 PM |
206 | return platform_add_devices(r7780rp_devices, |
207 | ARRAY_SIZE(r7780rp_devices)); | |
208 | } | |
32351a28 | 209 | device_initcall(r7780rp_devices_setup); |
5283ecb5 PM |
210 | |
211 | /* | |
212 | * Platform specific clocks | |
213 | */ | |
214 | static void ivdr_clk_enable(struct clk *clk) | |
215 | { | |
39374aad | 216 | ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL); |
5283ecb5 PM |
217 | } |
218 | ||
219 | static void ivdr_clk_disable(struct clk *clk) | |
220 | { | |
39374aad | 221 | ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL); |
5283ecb5 PM |
222 | } |
223 | ||
224 | static struct clk_ops ivdr_clk_ops = { | |
225 | .enable = ivdr_clk_enable, | |
226 | .disable = ivdr_clk_disable, | |
227 | }; | |
228 | ||
229 | static struct clk ivdr_clk = { | |
230 | .name = "ivdr_clk", | |
231 | .ops = &ivdr_clk_ops, | |
232 | }; | |
233 | ||
234 | static struct clk *r7780rp_clocks[] = { | |
235 | &ivdr_clk, | |
236 | }; | |
237 | ||
5283ecb5 PM |
238 | static void r7780rp_power_off(void) |
239 | { | |
32351a28 PM |
240 | if (mach_is_r7780mp() || mach_is_r7785rp()) |
241 | ctrl_outw(0x0001, PA_POFF); | |
5283ecb5 PM |
242 | } |
243 | ||
244 | /* | |
245 | * Initialize the board | |
246 | */ | |
32351a28 | 247 | static void __init highlander_setup(char **cmdline_p) |
5283ecb5 PM |
248 | { |
249 | u16 ver = ctrl_inw(PA_VERREG); | |
250 | int i; | |
251 | ||
32351a28 PM |
252 | printk(KERN_INFO "Renesas Solutions Highlander %s support.\n", |
253 | mach_is_r7780rp() ? "R7780RP-1" : | |
254 | mach_is_r7780mp() ? "R7780MP" : | |
255 | "R7785RP"); | |
5283ecb5 PM |
256 | |
257 | printk(KERN_INFO "Board version: %d (revision %d), " | |
258 | "FPGA version: %d (revision %d)\n", | |
259 | (ver >> 12) & 0xf, (ver >> 8) & 0xf, | |
260 | (ver >> 4) & 0xf, ver & 0xf); | |
261 | ||
262 | /* | |
263 | * Enable the important clocks right away.. | |
264 | */ | |
265 | for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) { | |
266 | struct clk *clk = r7780rp_clocks[i]; | |
267 | ||
268 | clk_register(clk); | |
269 | clk_enable(clk); | |
270 | } | |
271 | ||
272 | ctrl_outw(0x0000, PA_OBLED); /* Clear LED. */ | |
32351a28 PM |
273 | |
274 | if (mach_is_r7780rp()) | |
275 | ctrl_outw(0x0001, PA_SDPOW); /* SD Power ON */ | |
276 | ||
2c081e71 | 277 | ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x01, PA_IVDRCTL); /* Si13112 */ |
5283ecb5 PM |
278 | |
279 | pm_power_off = r7780rp_power_off; | |
280 | } | |
2c7834a6 | 281 | |
897cfcd8 MD |
282 | static unsigned char irl2irq[HL_NR_IRL]; |
283 | ||
284 | int highlander_irq_demux(int irq) | |
285 | { | |
286 | if (irq >= HL_NR_IRL || !irl2irq[irq]) | |
287 | return irq; | |
288 | ||
289 | return irl2irq[irq]; | |
290 | } | |
291 | ||
292 | void __init highlander_init_irq(void) | |
293 | { | |
294 | unsigned char *ucp = NULL; | |
295 | ||
296 | do { | |
297 | #ifdef CONFIG_SH_R7780MP | |
298 | ucp = highlander_init_irq_r7780mp(); | |
299 | if (ucp) | |
300 | break; | |
301 | #endif | |
302 | #ifdef CONFIG_SH_R7785RP | |
303 | ucp = highlander_init_irq_r7785rp(); | |
304 | if (ucp) | |
305 | break; | |
306 | #endif | |
307 | #ifdef CONFIG_SH_R7780RP | |
da2d7f4b MD |
308 | ucp = highlander_init_irq_r7780rp(); |
309 | if (ucp) | |
310 | break; | |
897cfcd8 MD |
311 | #endif |
312 | } while (0); | |
313 | ||
314 | if (ucp) { | |
315 | plat_irq_setup_pins(IRQ_MODE_IRL3210); | |
316 | memcpy(irl2irq, ucp, HL_NR_IRL); | |
317 | } | |
318 | } | |
319 | ||
2c7834a6 PM |
320 | /* |
321 | * The Machine Vector | |
322 | */ | |
82f81f47 | 323 | static struct sh_machine_vector mv_highlander __initmv = { |
32351a28 | 324 | .mv_name = "Highlander", |
32351a28 PM |
325 | .mv_setup = highlander_setup, |
326 | .mv_init_irq = highlander_init_irq, | |
897cfcd8 | 327 | .mv_irq_demux = highlander_irq_demux, |
2c7834a6 | 328 | }; |