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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. |
c2933965 | 7 | * Copyright (C) 2005 - 2008 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> |
c2933965 | 20 | #include <linux/i2c.h> |
c6f93a34 | 21 | #include <net/ax88796.h> |
5283ecb5 | 22 | #include <asm/machvec.h> |
7639a454 | 23 | #include <mach/highlander.h> |
5283ecb5 | 24 | #include <asm/clock.h> |
8786c952 | 25 | #include <asm/heartbeat.h> |
5283ecb5 | 26 | #include <asm/io.h> |
c1a34e4c | 27 | #include <asm/io_trapped.h> |
5283ecb5 | 28 | |
e6c972f2 YS |
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", | |
897cfcd8 MD |
38 | .start = IRQ_EXT1, /* irq number */ |
39 | .end = IRQ_EXT1, | |
e6c972f2 YS |
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", | |
897cfcd8 MD |
64 | .start = IRQ_EXT4, /* irq number */ |
65 | .end = IRQ_EXT4, | |
e6c972f2 YS |
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 | ||
0c020e3d PM |
81 | static struct resource cf_ide_resources[] = { |
82 | [0] = { | |
71074d3a PM |
83 | .start = PA_AREA5_IO + 0x1000, |
84 | .end = PA_AREA5_IO + 0x1000 + 0x08 - 1, | |
85 | .flags = IORESOURCE_MEM, | |
0c020e3d PM |
86 | }, |
87 | [1] = { | |
71074d3a PM |
88 | .start = PA_AREA5_IO + 0x80c, |
89 | .end = PA_AREA5_IO + 0x80c + 0x16 - 1, | |
90 | .flags = IORESOURCE_MEM, | |
0c020e3d PM |
91 | }, |
92 | [2] = { | |
897cfcd8 | 93 | .start = IRQ_CF, |
0c020e3d PM |
94 | .flags = IORESOURCE_IRQ, |
95 | }, | |
96 | }; | |
97 | ||
71074d3a PM |
98 | static struct pata_platform_info pata_info = { |
99 | .ioport_shift = 1, | |
100 | }; | |
101 | ||
0c020e3d PM |
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, | |
71074d3a PM |
107 | .dev = { |
108 | .platform_data = &pata_info, | |
109 | }, | |
0c020e3d PM |
110 | }; |
111 | ||
3b4d9539 PM |
112 | static struct resource heartbeat_resources[] = { |
113 | [0] = { | |
114 | .start = PA_OBLED, | |
a1fd306b | 115 | .end = PA_OBLED, |
3b4d9539 PM |
116 | .flags = IORESOURCE_MEM, |
117 | }, | |
118 | }; | |
119 | ||
8786c952 PM |
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 | ||
3b4d9539 PM |
129 | static struct platform_device heartbeat_device = { |
130 | .name = "heartbeat", | |
131 | .id = -1, | |
32351a28 PM |
132 | |
133 | /* R7785RP has a slightly more sensible FPGA.. */ | |
134 | #ifndef CONFIG_SH_R7785RP | |
3b4d9539 | 135 | .dev = { |
a1fd306b | 136 | .platform_data = &heartbeat_data, |
3b4d9539 | 137 | }, |
32351a28 | 138 | #endif |
3b4d9539 PM |
139 | .num_resources = ARRAY_SIZE(heartbeat_resources), |
140 | .resource = heartbeat_resources, | |
141 | }; | |
142 | ||
c6f93a34 MD |
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 | ||
c2933965 PM |
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 | { | |
3760f736 | 202 | I2C_BOARD_INFO("r2025sd", 0x32), |
c2933965 PM |
203 | }, |
204 | }; | |
c6f93a34 | 205 | |
5283ecb5 | 206 | static struct platform_device *r7780rp_devices[] __initdata = { |
e6c972f2 YS |
207 | &r8a66597_usb_host_device, |
208 | &m66592_usb_peripheral_device, | |
3b4d9539 | 209 | &heartbeat_device, |
c2933965 | 210 | &smbus_device, |
da2d7f4b | 211 | #ifndef CONFIG_SH_R7780RP |
c6f93a34 | 212 | &ax88796_device, |
da2d7f4b | 213 | #endif |
5283ecb5 PM |
214 | }; |
215 | ||
c1a34e4c MD |
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 | ||
5283ecb5 PM |
227 | static int __init r7780rp_devices_setup(void) |
228 | { | |
c2933965 PM |
229 | int ret = 0; |
230 | ||
c1a34e4c MD |
231 | #ifndef CONFIG_SH_R7780RP |
232 | if (register_trapped_io(&cf_trapped_io) == 0) | |
c2933965 | 233 | ret |= platform_device_register(&cf_ide_device); |
c1a34e4c | 234 | #endif |
c2933965 PM |
235 | |
236 | ret |= platform_add_devices(r7780rp_devices, | |
5283ecb5 | 237 | ARRAY_SIZE(r7780rp_devices)); |
c2933965 PM |
238 | |
239 | ret |= i2c_register_board_info(0, highlander_i2c_devices, | |
240 | ARRAY_SIZE(highlander_i2c_devices)); | |
241 | ||
242 | return ret; | |
5283ecb5 | 243 | } |
32351a28 | 244 | device_initcall(r7780rp_devices_setup); |
5283ecb5 PM |
245 | |
246 | /* | |
247 | * Platform specific clocks | |
248 | */ | |
249 | static void ivdr_clk_enable(struct clk *clk) | |
250 | { | |
39374aad | 251 | ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL); |
5283ecb5 PM |
252 | } |
253 | ||
254 | static void ivdr_clk_disable(struct clk *clk) | |
255 | { | |
39374aad | 256 | ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL); |
5283ecb5 PM |
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 | ||
5283ecb5 PM |
273 | static void r7780rp_power_off(void) |
274 | { | |
32351a28 PM |
275 | if (mach_is_r7780mp() || mach_is_r7785rp()) |
276 | ctrl_outw(0x0001, PA_POFF); | |
5283ecb5 PM |
277 | } |
278 | ||
279 | /* | |
280 | * Initialize the board | |
281 | */ | |
32351a28 | 282 | static void __init highlander_setup(char **cmdline_p) |
5283ecb5 PM |
283 | { |
284 | u16 ver = ctrl_inw(PA_VERREG); | |
285 | int i; | |
286 | ||
32351a28 PM |
287 | printk(KERN_INFO "Renesas Solutions Highlander %s support.\n", |
288 | mach_is_r7780rp() ? "R7780RP-1" : | |
289 | mach_is_r7780mp() ? "R7780MP" : | |
290 | "R7785RP"); | |
5283ecb5 PM |
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 | ||
61dc6eae PM |
297 | highlander_plat_pinmux_setup(); |
298 | ||
5283ecb5 PM |
299 | /* |
300 | * Enable the important clocks right away.. | |
301 | */ | |
302 | for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) { | |
303 | struct clk *clk = r7780rp_clocks[i]; | |
304 | ||
305 | clk_register(clk); | |
306 | clk_enable(clk); | |
307 | } | |
308 | ||
309 | ctrl_outw(0x0000, PA_OBLED); /* Clear LED. */ | |
32351a28 PM |
310 | |
311 | if (mach_is_r7780rp()) | |
312 | ctrl_outw(0x0001, PA_SDPOW); /* SD Power ON */ | |
313 | ||
2c081e71 | 314 | ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x01, PA_IVDRCTL); /* Si13112 */ |
5283ecb5 PM |
315 | |
316 | pm_power_off = r7780rp_power_off; | |
317 | } | |
2c7834a6 | 318 | |
897cfcd8 MD |
319 | static unsigned char irl2irq[HL_NR_IRL]; |
320 | ||
ae8a5348 | 321 | static int highlander_irq_demux(int irq) |
897cfcd8 MD |
322 | { |
323 | if (irq >= HL_NR_IRL || !irl2irq[irq]) | |
324 | return irq; | |
325 | ||
326 | return irl2irq[irq]; | |
327 | } | |
328 | ||
ae8a5348 | 329 | static void __init highlander_init_irq(void) |
897cfcd8 | 330 | { |
ae8a5348 | 331 | unsigned char *ucp = highlander_plat_irq_setup(); |
897cfcd8 MD |
332 | |
333 | if (ucp) { | |
334 | plat_irq_setup_pins(IRQ_MODE_IRL3210); | |
335 | memcpy(irl2irq, ucp, HL_NR_IRL); | |
336 | } | |
337 | } | |
338 | ||
2c7834a6 PM |
339 | /* |
340 | * The Machine Vector | |
341 | */ | |
82f81f47 | 342 | static struct sh_machine_vector mv_highlander __initmv = { |
32351a28 | 343 | .mv_name = "Highlander", |
32351a28 PM |
344 | .mv_setup = highlander_setup, |
345 | .mv_init_irq = highlander_init_irq, | |
897cfcd8 | 346 | .mv_irq_demux = highlander_irq_demux, |
2c7834a6 | 347 | }; |