]>
Commit | Line | Data |
---|---|---|
b2c65616 AV |
1 | /* |
2 | * arch/arm/mach-at91/at91sam9263.c | |
3 | * | |
4 | * Copyright (C) 2007 Atmel Corporation. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | */ | |
12 | ||
13 | #include <linux/module.h> | |
3ef2fb42 | 14 | #include <linux/pm.h> |
b2c65616 | 15 | |
80b02c17 | 16 | #include <asm/irq.h> |
b2c65616 AV |
17 | #include <asm/mach/arch.h> |
18 | #include <asm/mach/map.h> | |
a09e64fb RK |
19 | #include <mach/at91sam9263.h> |
20 | #include <mach/at91_pmc.h> | |
21 | #include <mach/at91_rstc.h> | |
22 | #include <mach/at91_shdwc.h> | |
b2c65616 | 23 | |
21d08b9d | 24 | #include "soc.h" |
b2c65616 AV |
25 | #include "generic.h" |
26 | #include "clock.h" | |
27 | ||
b2c65616 AV |
28 | /* -------------------------------------------------------------------- |
29 | * Clocks | |
30 | * -------------------------------------------------------------------- */ | |
31 | ||
32 | /* | |
33 | * The peripheral clocks. | |
34 | */ | |
35 | static struct clk pioA_clk = { | |
36 | .name = "pioA_clk", | |
37 | .pmc_mask = 1 << AT91SAM9263_ID_PIOA, | |
38 | .type = CLK_TYPE_PERIPHERAL, | |
39 | }; | |
40 | static struct clk pioB_clk = { | |
41 | .name = "pioB_clk", | |
42 | .pmc_mask = 1 << AT91SAM9263_ID_PIOB, | |
43 | .type = CLK_TYPE_PERIPHERAL, | |
44 | }; | |
45 | static struct clk pioCDE_clk = { | |
46 | .name = "pioCDE_clk", | |
47 | .pmc_mask = 1 << AT91SAM9263_ID_PIOCDE, | |
48 | .type = CLK_TYPE_PERIPHERAL, | |
49 | }; | |
50 | static struct clk usart0_clk = { | |
51 | .name = "usart0_clk", | |
52 | .pmc_mask = 1 << AT91SAM9263_ID_US0, | |
53 | .type = CLK_TYPE_PERIPHERAL, | |
54 | }; | |
55 | static struct clk usart1_clk = { | |
56 | .name = "usart1_clk", | |
57 | .pmc_mask = 1 << AT91SAM9263_ID_US1, | |
58 | .type = CLK_TYPE_PERIPHERAL, | |
59 | }; | |
60 | static struct clk usart2_clk = { | |
61 | .name = "usart2_clk", | |
62 | .pmc_mask = 1 << AT91SAM9263_ID_US2, | |
63 | .type = CLK_TYPE_PERIPHERAL, | |
64 | }; | |
65 | static struct clk mmc0_clk = { | |
66 | .name = "mci0_clk", | |
67 | .pmc_mask = 1 << AT91SAM9263_ID_MCI0, | |
68 | .type = CLK_TYPE_PERIPHERAL, | |
69 | }; | |
70 | static struct clk mmc1_clk = { | |
71 | .name = "mci1_clk", | |
72 | .pmc_mask = 1 << AT91SAM9263_ID_MCI1, | |
73 | .type = CLK_TYPE_PERIPHERAL, | |
74 | }; | |
e8788bab AV |
75 | static struct clk can_clk = { |
76 | .name = "can_clk", | |
77 | .pmc_mask = 1 << AT91SAM9263_ID_CAN, | |
78 | .type = CLK_TYPE_PERIPHERAL, | |
79 | }; | |
b2c65616 AV |
80 | static struct clk twi_clk = { |
81 | .name = "twi_clk", | |
82 | .pmc_mask = 1 << AT91SAM9263_ID_TWI, | |
83 | .type = CLK_TYPE_PERIPHERAL, | |
84 | }; | |
85 | static struct clk spi0_clk = { | |
86 | .name = "spi0_clk", | |
87 | .pmc_mask = 1 << AT91SAM9263_ID_SPI0, | |
88 | .type = CLK_TYPE_PERIPHERAL, | |
89 | }; | |
90 | static struct clk spi1_clk = { | |
91 | .name = "spi1_clk", | |
92 | .pmc_mask = 1 << AT91SAM9263_ID_SPI1, | |
93 | .type = CLK_TYPE_PERIPHERAL, | |
94 | }; | |
e8788bab AV |
95 | static struct clk ssc0_clk = { |
96 | .name = "ssc0_clk", | |
97 | .pmc_mask = 1 << AT91SAM9263_ID_SSC0, | |
98 | .type = CLK_TYPE_PERIPHERAL, | |
99 | }; | |
100 | static struct clk ssc1_clk = { | |
101 | .name = "ssc1_clk", | |
102 | .pmc_mask = 1 << AT91SAM9263_ID_SSC1, | |
103 | .type = CLK_TYPE_PERIPHERAL, | |
104 | }; | |
105 | static struct clk ac97_clk = { | |
106 | .name = "ac97_clk", | |
107 | .pmc_mask = 1 << AT91SAM9263_ID_AC97C, | |
108 | .type = CLK_TYPE_PERIPHERAL, | |
109 | }; | |
b2c65616 AV |
110 | static struct clk tcb_clk = { |
111 | .name = "tcb_clk", | |
112 | .pmc_mask = 1 << AT91SAM9263_ID_TCB, | |
113 | .type = CLK_TYPE_PERIPHERAL, | |
114 | }; | |
bb1ad68b AV |
115 | static struct clk pwm_clk = { |
116 | .name = "pwm_clk", | |
e8788bab AV |
117 | .pmc_mask = 1 << AT91SAM9263_ID_PWMC, |
118 | .type = CLK_TYPE_PERIPHERAL, | |
119 | }; | |
69b2e99c AV |
120 | static struct clk macb_clk = { |
121 | .name = "macb_clk", | |
b2c65616 AV |
122 | .pmc_mask = 1 << AT91SAM9263_ID_EMAC, |
123 | .type = CLK_TYPE_PERIPHERAL, | |
124 | }; | |
e8788bab AV |
125 | static struct clk dma_clk = { |
126 | .name = "dma_clk", | |
127 | .pmc_mask = 1 << AT91SAM9263_ID_DMA, | |
128 | .type = CLK_TYPE_PERIPHERAL, | |
129 | }; | |
130 | static struct clk twodge_clk = { | |
131 | .name = "2dge_clk", | |
132 | .pmc_mask = 1 << AT91SAM9263_ID_2DGE, | |
133 | .type = CLK_TYPE_PERIPHERAL, | |
134 | }; | |
b2c65616 AV |
135 | static struct clk udc_clk = { |
136 | .name = "udc_clk", | |
137 | .pmc_mask = 1 << AT91SAM9263_ID_UDP, | |
138 | .type = CLK_TYPE_PERIPHERAL, | |
139 | }; | |
140 | static struct clk isi_clk = { | |
141 | .name = "isi_clk", | |
142 | .pmc_mask = 1 << AT91SAM9263_ID_ISI, | |
143 | .type = CLK_TYPE_PERIPHERAL, | |
144 | }; | |
145 | static struct clk lcdc_clk = { | |
146 | .name = "lcdc_clk", | |
7f6e2d99 | 147 | .pmc_mask = 1 << AT91SAM9263_ID_LCDC, |
b2c65616 AV |
148 | .type = CLK_TYPE_PERIPHERAL, |
149 | }; | |
150 | static struct clk ohci_clk = { | |
151 | .name = "ohci_clk", | |
152 | .pmc_mask = 1 << AT91SAM9263_ID_UHP, | |
153 | .type = CLK_TYPE_PERIPHERAL, | |
154 | }; | |
155 | ||
156 | static struct clk *periph_clocks[] __initdata = { | |
157 | &pioA_clk, | |
158 | &pioB_clk, | |
159 | &pioCDE_clk, | |
160 | &usart0_clk, | |
161 | &usart1_clk, | |
162 | &usart2_clk, | |
163 | &mmc0_clk, | |
164 | &mmc1_clk, | |
e8788bab | 165 | &can_clk, |
b2c65616 AV |
166 | &twi_clk, |
167 | &spi0_clk, | |
168 | &spi1_clk, | |
e8788bab AV |
169 | &ssc0_clk, |
170 | &ssc1_clk, | |
171 | &ac97_clk, | |
b2c65616 | 172 | &tcb_clk, |
bb1ad68b | 173 | &pwm_clk, |
69b2e99c | 174 | &macb_clk, |
e8788bab | 175 | &twodge_clk, |
b2c65616 AV |
176 | &udc_clk, |
177 | &isi_clk, | |
178 | &lcdc_clk, | |
e8788bab | 179 | &dma_clk, |
b2c65616 AV |
180 | &ohci_clk, |
181 | // irq0 .. irq1 | |
182 | }; | |
183 | ||
bd602995 JCPV |
184 | static struct clk_lookup periph_clocks_lookups[] = { |
185 | CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk), | |
186 | CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk), | |
187 | CLKDEV_CON_DEV_ID("mci_clk", "at91_mci.0", &mmc0_clk), | |
188 | CLKDEV_CON_DEV_ID("mci_clk", "at91_mci.1", &mmc1_clk), | |
189 | CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk), | |
190 | CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk), | |
191 | CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb_clk), | |
0af4316b JCPV |
192 | /* fake hclk clock */ |
193 | CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk), | |
bd602995 JCPV |
194 | }; |
195 | ||
196 | static struct clk_lookup usart_clocks_lookups[] = { | |
197 | CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck), | |
198 | CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk), | |
199 | CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk), | |
200 | CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk), | |
201 | }; | |
202 | ||
b2c65616 AV |
203 | /* |
204 | * The four programmable clocks. | |
205 | * You must configure pin multiplexing to bring these signals out. | |
206 | */ | |
207 | static struct clk pck0 = { | |
208 | .name = "pck0", | |
209 | .pmc_mask = AT91_PMC_PCK0, | |
210 | .type = CLK_TYPE_PROGRAMMABLE, | |
211 | .id = 0, | |
212 | }; | |
213 | static struct clk pck1 = { | |
214 | .name = "pck1", | |
215 | .pmc_mask = AT91_PMC_PCK1, | |
216 | .type = CLK_TYPE_PROGRAMMABLE, | |
217 | .id = 1, | |
218 | }; | |
219 | static struct clk pck2 = { | |
220 | .name = "pck2", | |
221 | .pmc_mask = AT91_PMC_PCK2, | |
222 | .type = CLK_TYPE_PROGRAMMABLE, | |
223 | .id = 2, | |
224 | }; | |
225 | static struct clk pck3 = { | |
226 | .name = "pck3", | |
227 | .pmc_mask = AT91_PMC_PCK3, | |
228 | .type = CLK_TYPE_PROGRAMMABLE, | |
229 | .id = 3, | |
230 | }; | |
231 | ||
232 | static void __init at91sam9263_register_clocks(void) | |
233 | { | |
234 | int i; | |
235 | ||
236 | for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) | |
237 | clk_register(periph_clocks[i]); | |
238 | ||
bd602995 JCPV |
239 | clkdev_add_table(periph_clocks_lookups, |
240 | ARRAY_SIZE(periph_clocks_lookups)); | |
241 | clkdev_add_table(usart_clocks_lookups, | |
242 | ARRAY_SIZE(usart_clocks_lookups)); | |
243 | ||
b2c65616 AV |
244 | clk_register(&pck0); |
245 | clk_register(&pck1); | |
246 | clk_register(&pck2); | |
247 | clk_register(&pck3); | |
248 | } | |
249 | ||
bd602995 JCPV |
250 | static struct clk_lookup console_clock_lookup; |
251 | ||
252 | void __init at91sam9263_set_console_clock(int id) | |
253 | { | |
254 | if (id >= ARRAY_SIZE(usart_clocks_lookups)) | |
255 | return; | |
256 | ||
257 | console_clock_lookup.con_id = "usart"; | |
258 | console_clock_lookup.clk = usart_clocks_lookups[id].clk; | |
259 | clkdev_add(&console_clock_lookup); | |
260 | } | |
261 | ||
b2c65616 AV |
262 | /* -------------------------------------------------------------------- |
263 | * GPIO | |
264 | * -------------------------------------------------------------------- */ | |
265 | ||
266 | static struct at91_gpio_bank at91sam9263_gpio[] = { | |
267 | { | |
268 | .id = AT91SAM9263_ID_PIOA, | |
269 | .offset = AT91_PIOA, | |
270 | .clock = &pioA_clk, | |
271 | }, { | |
272 | .id = AT91SAM9263_ID_PIOB, | |
273 | .offset = AT91_PIOB, | |
274 | .clock = &pioB_clk, | |
275 | }, { | |
276 | .id = AT91SAM9263_ID_PIOCDE, | |
277 | .offset = AT91_PIOC, | |
278 | .clock = &pioCDE_clk, | |
279 | }, { | |
280 | .id = AT91SAM9263_ID_PIOCDE, | |
281 | .offset = AT91_PIOD, | |
282 | .clock = &pioCDE_clk, | |
283 | }, { | |
284 | .id = AT91SAM9263_ID_PIOCDE, | |
285 | .offset = AT91_PIOE, | |
286 | .clock = &pioCDE_clk, | |
287 | } | |
288 | }; | |
289 | ||
3ef2fb42 AV |
290 | static void at91sam9263_poweroff(void) |
291 | { | |
292 | at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); | |
293 | } | |
294 | ||
b2c65616 AV |
295 | |
296 | /* -------------------------------------------------------------------- | |
297 | * AT91SAM9263 processor initialization | |
298 | * -------------------------------------------------------------------- */ | |
299 | ||
21d08b9d | 300 | static void __init at91sam9263_map_io(void) |
b2c65616 | 301 | { |
f0051d82 JCPV |
302 | at91_init_sram(0, AT91SAM9263_SRAM0_BASE, AT91SAM9263_SRAM0_SIZE); |
303 | at91_init_sram(1, AT91SAM9263_SRAM1_BASE, AT91SAM9263_SRAM1_SIZE); | |
1b021a3b | 304 | } |
b2c65616 | 305 | |
46539374 | 306 | static void __init at91sam9263_initialize(void) |
1b021a3b | 307 | { |
bb413db5 | 308 | at91_arch_reset = at91sam9_alt_reset; |
3ef2fb42 | 309 | pm_power_off = at91sam9263_poweroff; |
b2c65616 AV |
310 | at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1); |
311 | ||
b2c65616 AV |
312 | /* Register GPIO subsystem */ |
313 | at91_gpio_init(at91sam9263_gpio, 5); | |
314 | } | |
315 | ||
316 | /* -------------------------------------------------------------------- | |
317 | * Interrupt initialization | |
318 | * -------------------------------------------------------------------- */ | |
319 | ||
320 | /* | |
321 | * The default interrupt priority levels (0 = lowest, 7 = highest). | |
322 | */ | |
323 | static unsigned int at91sam9263_default_irq_priority[NR_AIC_IRQS] __initdata = { | |
324 | 7, /* Advanced Interrupt Controller (FIQ) */ | |
325 | 7, /* System Peripherals */ | |
7cbed2b5 AV |
326 | 1, /* Parallel IO Controller A */ |
327 | 1, /* Parallel IO Controller B */ | |
328 | 1, /* Parallel IO Controller C, D and E */ | |
b2c65616 AV |
329 | 0, |
330 | 0, | |
7cbed2b5 AV |
331 | 5, /* USART 0 */ |
332 | 5, /* USART 1 */ | |
333 | 5, /* USART 2 */ | |
b2c65616 AV |
334 | 0, /* Multimedia Card Interface 0 */ |
335 | 0, /* Multimedia Card Interface 1 */ | |
7cbed2b5 AV |
336 | 3, /* CAN */ |
337 | 6, /* Two-Wire Interface */ | |
338 | 5, /* Serial Peripheral Interface 0 */ | |
339 | 5, /* Serial Peripheral Interface 1 */ | |
340 | 4, /* Serial Synchronous Controller 0 */ | |
341 | 4, /* Serial Synchronous Controller 1 */ | |
342 | 5, /* AC97 Controller */ | |
b2c65616 AV |
343 | 0, /* Timer Counter 0, 1 and 2 */ |
344 | 0, /* Pulse Width Modulation Controller */ | |
345 | 3, /* Ethernet */ | |
346 | 0, | |
347 | 0, /* 2D Graphic Engine */ | |
7cbed2b5 | 348 | 2, /* USB Device Port */ |
b2c65616 AV |
349 | 0, /* Image Sensor Interface */ |
350 | 3, /* LDC Controller */ | |
351 | 0, /* DMA Controller */ | |
352 | 0, | |
7cbed2b5 | 353 | 2, /* USB Host port */ |
b2c65616 AV |
354 | 0, /* Advanced Interrupt Controller (IRQ0) */ |
355 | 0, /* Advanced Interrupt Controller (IRQ1) */ | |
356 | }; | |
357 | ||
8c3583b6 | 358 | struct at91_init_soc __initdata at91sam9263_soc = { |
21d08b9d | 359 | .map_io = at91sam9263_map_io, |
92100c12 | 360 | .default_irq_priority = at91sam9263_default_irq_priority, |
51ddec76 | 361 | .register_clocks = at91sam9263_register_clocks, |
21d08b9d JCPV |
362 | .init = at91sam9263_initialize, |
363 | }; |