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13#include <linux/module.h>
14#include <linux/pm.h>
15
16#include <asm/irq.h>
17#include <asm/mach/arch.h>
18#include <asm/mach/map.h>
19#include <mach/at91sam9g45.h>
20#include <mach/at91_pmc.h>
21#include <mach/at91_rstc.h>
22#include <mach/at91_shdwc.h>
23
24#include "generic.h"
25#include "clock.h"
26
27static struct map_desc at91sam9g45_io_desc[] __initdata = {
28 {
29 .virtual = AT91_VA_BASE_SYS,
30 .pfn = __phys_to_pfn(AT91_BASE_SYS),
31 .length = SZ_16K,
32 .type = MT_DEVICE,
33 }, {
34 .virtual = AT91_IO_VIRT_BASE - AT91SAM9G45_SRAM_SIZE,
35 .pfn = __phys_to_pfn(AT91SAM9G45_SRAM_BASE),
36 .length = AT91SAM9G45_SRAM_SIZE,
37 .type = MT_DEVICE,
38 }
39};
40
41
42
43
44
45
46
47
48static struct clk pioA_clk = {
49 .name = "pioA_clk",
50 .pmc_mask = 1 << AT91SAM9G45_ID_PIOA,
51 .type = CLK_TYPE_PERIPHERAL,
52};
53static struct clk pioB_clk = {
54 .name = "pioB_clk",
55 .pmc_mask = 1 << AT91SAM9G45_ID_PIOB,
56 .type = CLK_TYPE_PERIPHERAL,
57};
58static struct clk pioC_clk = {
59 .name = "pioC_clk",
60 .pmc_mask = 1 << AT91SAM9G45_ID_PIOC,
61 .type = CLK_TYPE_PERIPHERAL,
62};
63static struct clk pioDE_clk = {
64 .name = "pioDE_clk",
65 .pmc_mask = 1 << AT91SAM9G45_ID_PIODE,
66 .type = CLK_TYPE_PERIPHERAL,
67};
68static struct clk usart0_clk = {
69 .name = "usart0_clk",
70 .pmc_mask = 1 << AT91SAM9G45_ID_US0,
71 .type = CLK_TYPE_PERIPHERAL,
72};
73static struct clk usart1_clk = {
74 .name = "usart1_clk",
75 .pmc_mask = 1 << AT91SAM9G45_ID_US1,
76 .type = CLK_TYPE_PERIPHERAL,
77};
78static struct clk usart2_clk = {
79 .name = "usart2_clk",
80 .pmc_mask = 1 << AT91SAM9G45_ID_US2,
81 .type = CLK_TYPE_PERIPHERAL,
82};
83static struct clk usart3_clk = {
84 .name = "usart3_clk",
85 .pmc_mask = 1 << AT91SAM9G45_ID_US3,
86 .type = CLK_TYPE_PERIPHERAL,
87};
88static struct clk mmc0_clk = {
89 .name = "mci0_clk",
90 .pmc_mask = 1 << AT91SAM9G45_ID_MCI0,
91 .type = CLK_TYPE_PERIPHERAL,
92};
93static struct clk twi0_clk = {
94 .name = "twi0_clk",
95 .pmc_mask = 1 << AT91SAM9G45_ID_TWI0,
96 .type = CLK_TYPE_PERIPHERAL,
97};
98static struct clk twi1_clk = {
99 .name = "twi1_clk",
100 .pmc_mask = 1 << AT91SAM9G45_ID_TWI1,
101 .type = CLK_TYPE_PERIPHERAL,
102};
103static struct clk spi0_clk = {
104 .name = "spi0_clk",
105 .pmc_mask = 1 << AT91SAM9G45_ID_SPI0,
106 .type = CLK_TYPE_PERIPHERAL,
107};
108static struct clk spi1_clk = {
109 .name = "spi1_clk",
110 .pmc_mask = 1 << AT91SAM9G45_ID_SPI1,
111 .type = CLK_TYPE_PERIPHERAL,
112};
113static struct clk ssc0_clk = {
114 .name = "ssc0_clk",
115 .pmc_mask = 1 << AT91SAM9G45_ID_SSC0,
116 .type = CLK_TYPE_PERIPHERAL,
117};
118static struct clk ssc1_clk = {
119 .name = "ssc1_clk",
120 .pmc_mask = 1 << AT91SAM9G45_ID_SSC1,
121 .type = CLK_TYPE_PERIPHERAL,
122};
123static struct clk tcb_clk = {
124 .name = "tcb_clk",
125 .pmc_mask = 1 << AT91SAM9G45_ID_TCB,
126 .type = CLK_TYPE_PERIPHERAL,
127};
128static struct clk pwm_clk = {
129 .name = "pwm_clk",
130 .pmc_mask = 1 << AT91SAM9G45_ID_PWMC,
131 .type = CLK_TYPE_PERIPHERAL,
132};
133static struct clk tsc_clk = {
134 .name = "tsc_clk",
135 .pmc_mask = 1 << AT91SAM9G45_ID_TSC,
136 .type = CLK_TYPE_PERIPHERAL,
137};
138static struct clk dma_clk = {
139 .name = "dma_clk",
140 .pmc_mask = 1 << AT91SAM9G45_ID_DMA,
141 .type = CLK_TYPE_PERIPHERAL,
142};
143static struct clk uhphs_clk = {
144 .name = "uhphs_clk",
145 .pmc_mask = 1 << AT91SAM9G45_ID_UHPHS,
146 .type = CLK_TYPE_PERIPHERAL,
147};
148static struct clk lcdc_clk = {
149 .name = "lcdc_clk",
150 .pmc_mask = 1 << AT91SAM9G45_ID_LCDC,
151 .type = CLK_TYPE_PERIPHERAL,
152};
153static struct clk ac97_clk = {
154 .name = "ac97_clk",
155 .pmc_mask = 1 << AT91SAM9G45_ID_AC97C,
156 .type = CLK_TYPE_PERIPHERAL,
157};
158static struct clk macb_clk = {
159 .name = "macb_clk",
160 .pmc_mask = 1 << AT91SAM9G45_ID_EMAC,
161 .type = CLK_TYPE_PERIPHERAL,
162};
163static struct clk isi_clk = {
164 .name = "isi_clk",
165 .pmc_mask = 1 << AT91SAM9G45_ID_ISI,
166 .type = CLK_TYPE_PERIPHERAL,
167};
168static struct clk udphs_clk = {
169 .name = "udphs_clk",
170 .pmc_mask = 1 << AT91SAM9G45_ID_UDPHS,
171 .type = CLK_TYPE_PERIPHERAL,
172};
173static struct clk mmc1_clk = {
174 .name = "mci1_clk",
175 .pmc_mask = 1 << AT91SAM9G45_ID_MCI1,
176 .type = CLK_TYPE_PERIPHERAL,
177};
178
179
180static struct clk ohci_clk = {
181 .name = "ohci_clk",
182 .pmc_mask = 0,
183 .type = CLK_TYPE_PERIPHERAL,
184 .parent = &uhphs_clk,
185};
186
187static struct clk *periph_clocks[] __initdata = {
188 &pioA_clk,
189 &pioB_clk,
190 &pioC_clk,
191 &pioDE_clk,
192 &usart0_clk,
193 &usart1_clk,
194 &usart2_clk,
195 &usart3_clk,
196 &mmc0_clk,
197 &twi0_clk,
198 &twi1_clk,
199 &spi0_clk,
200 &spi1_clk,
201 &ssc0_clk,
202 &ssc1_clk,
203 &tcb_clk,
204 &pwm_clk,
205 &tsc_clk,
206 &dma_clk,
207 &uhphs_clk,
208 &lcdc_clk,
209 &ac97_clk,
210 &macb_clk,
211 &isi_clk,
212 &udphs_clk,
213 &mmc1_clk,
214
215 &ohci_clk,
216};
217
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220
221
222static struct clk pck0 = {
223 .name = "pck0",
224 .pmc_mask = AT91_PMC_PCK0,
225 .type = CLK_TYPE_PROGRAMMABLE,
226 .id = 0,
227};
228static struct clk pck1 = {
229 .name = "pck1",
230 .pmc_mask = AT91_PMC_PCK1,
231 .type = CLK_TYPE_PROGRAMMABLE,
232 .id = 1,
233};
234
235static void __init at91sam9g45_register_clocks(void)
236{
237 int i;
238
239 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
240 clk_register(periph_clocks[i]);
241
242 clk_register(&pck0);
243 clk_register(&pck1);
244}
245
246
247
248
249
250static struct at91_gpio_bank at91sam9g45_gpio[] = {
251 {
252 .id = AT91SAM9G45_ID_PIOA,
253 .offset = AT91_PIOA,
254 .clock = &pioA_clk,
255 }, {
256 .id = AT91SAM9G45_ID_PIOB,
257 .offset = AT91_PIOB,
258 .clock = &pioB_clk,
259 }, {
260 .id = AT91SAM9G45_ID_PIOC,
261 .offset = AT91_PIOC,
262 .clock = &pioC_clk,
263 }, {
264 .id = AT91SAM9G45_ID_PIODE,
265 .offset = AT91_PIOD,
266 .clock = &pioDE_clk,
267 }, {
268 .id = AT91SAM9G45_ID_PIODE,
269 .offset = AT91_PIOE,
270 .clock = &pioDE_clk,
271 }
272};
273
274static void at91sam9g45_reset(void)
275{
276 at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
277}
278
279static void at91sam9g45_poweroff(void)
280{
281 at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
282}
283
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287
288
289void __init at91sam9g45_initialize(unsigned long main_clock)
290{
291
292 iotable_init(at91sam9g45_io_desc, ARRAY_SIZE(at91sam9g45_io_desc));
293
294 at91_arch_reset = at91sam9g45_reset;
295 pm_power_off = at91sam9g45_poweroff;
296 at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0);
297
298
299 at91_clock_init(main_clock);
300
301
302 at91sam9g45_register_clocks();
303
304
305 at91_gpio_init(at91sam9g45_gpio, 5);
306}
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314
315static unsigned int at91sam9g45_default_irq_priority[NR_AIC_IRQS] __initdata = {
316 7,
317 7,
318 1,
319 1,
320 1,
321 1,
322 0,
323 5,
324 5,
325 5,
326 5,
327 0,
328 6,
329 6,
330 5,
331 5,
332 4,
333 4,
334 0,
335 0,
336 0,
337 0,
338 2,
339 3,
340 5,
341 3,
342 0,
343 2,
344 0,
345 0,
346 0,
347 0,
348};
349
350void __init at91sam9g45_init_interrupts(unsigned int priority[NR_AIC_IRQS])
351{
352 if (!priority)
353 priority = at91sam9g45_default_irq_priority;
354
355
356 at91_aic_init(priority);
357
358
359 at91_gpio_irq_setup();
360}
361