2 * arch/arm/mach-at91/at91sam9263.c
4 * Copyright (C) 2007 Atmel Corporation.
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.
13 #include <linux/module.h>
17 #include <asm/mach/arch.h>
18 #include <asm/mach/map.h>
19 #include <mach/at91sam9263.h>
20 #include <mach/at91_pmc.h>
21 #include <mach/at91_rstc.h>
22 #include <mach/at91_shdwc.h>
28 static struct map_desc at91sam9263_sram_desc
[] __initdata
= {
30 .virtual = AT91_IO_VIRT_BASE
- AT91SAM9263_SRAM0_SIZE
,
31 .pfn
= __phys_to_pfn(AT91SAM9263_SRAM0_BASE
),
32 .length
= AT91SAM9263_SRAM0_SIZE
,
35 .virtual = AT91_IO_VIRT_BASE
- AT91SAM9263_SRAM0_SIZE
- AT91SAM9263_SRAM1_SIZE
,
36 .pfn
= __phys_to_pfn(AT91SAM9263_SRAM1_BASE
),
37 .length
= AT91SAM9263_SRAM1_SIZE
,
42 /* --------------------------------------------------------------------
44 * -------------------------------------------------------------------- */
47 * The peripheral clocks.
49 static struct clk pioA_clk
= {
51 .pmc_mask
= 1 << AT91SAM9263_ID_PIOA
,
52 .type
= CLK_TYPE_PERIPHERAL
,
54 static struct clk pioB_clk
= {
56 .pmc_mask
= 1 << AT91SAM9263_ID_PIOB
,
57 .type
= CLK_TYPE_PERIPHERAL
,
59 static struct clk pioCDE_clk
= {
61 .pmc_mask
= 1 << AT91SAM9263_ID_PIOCDE
,
62 .type
= CLK_TYPE_PERIPHERAL
,
64 static struct clk usart0_clk
= {
66 .pmc_mask
= 1 << AT91SAM9263_ID_US0
,
67 .type
= CLK_TYPE_PERIPHERAL
,
69 static struct clk usart1_clk
= {
71 .pmc_mask
= 1 << AT91SAM9263_ID_US1
,
72 .type
= CLK_TYPE_PERIPHERAL
,
74 static struct clk usart2_clk
= {
76 .pmc_mask
= 1 << AT91SAM9263_ID_US2
,
77 .type
= CLK_TYPE_PERIPHERAL
,
79 static struct clk mmc0_clk
= {
81 .pmc_mask
= 1 << AT91SAM9263_ID_MCI0
,
82 .type
= CLK_TYPE_PERIPHERAL
,
84 static struct clk mmc1_clk
= {
86 .pmc_mask
= 1 << AT91SAM9263_ID_MCI1
,
87 .type
= CLK_TYPE_PERIPHERAL
,
89 static struct clk can_clk
= {
91 .pmc_mask
= 1 << AT91SAM9263_ID_CAN
,
92 .type
= CLK_TYPE_PERIPHERAL
,
94 static struct clk twi_clk
= {
96 .pmc_mask
= 1 << AT91SAM9263_ID_TWI
,
97 .type
= CLK_TYPE_PERIPHERAL
,
99 static struct clk spi0_clk
= {
101 .pmc_mask
= 1 << AT91SAM9263_ID_SPI0
,
102 .type
= CLK_TYPE_PERIPHERAL
,
104 static struct clk spi1_clk
= {
106 .pmc_mask
= 1 << AT91SAM9263_ID_SPI1
,
107 .type
= CLK_TYPE_PERIPHERAL
,
109 static struct clk ssc0_clk
= {
111 .pmc_mask
= 1 << AT91SAM9263_ID_SSC0
,
112 .type
= CLK_TYPE_PERIPHERAL
,
114 static struct clk ssc1_clk
= {
116 .pmc_mask
= 1 << AT91SAM9263_ID_SSC1
,
117 .type
= CLK_TYPE_PERIPHERAL
,
119 static struct clk ac97_clk
= {
121 .pmc_mask
= 1 << AT91SAM9263_ID_AC97C
,
122 .type
= CLK_TYPE_PERIPHERAL
,
124 static struct clk tcb_clk
= {
126 .pmc_mask
= 1 << AT91SAM9263_ID_TCB
,
127 .type
= CLK_TYPE_PERIPHERAL
,
129 static struct clk pwm_clk
= {
131 .pmc_mask
= 1 << AT91SAM9263_ID_PWMC
,
132 .type
= CLK_TYPE_PERIPHERAL
,
134 static struct clk macb_clk
= {
136 .pmc_mask
= 1 << AT91SAM9263_ID_EMAC
,
137 .type
= CLK_TYPE_PERIPHERAL
,
139 static struct clk dma_clk
= {
141 .pmc_mask
= 1 << AT91SAM9263_ID_DMA
,
142 .type
= CLK_TYPE_PERIPHERAL
,
144 static struct clk twodge_clk
= {
146 .pmc_mask
= 1 << AT91SAM9263_ID_2DGE
,
147 .type
= CLK_TYPE_PERIPHERAL
,
149 static struct clk udc_clk
= {
151 .pmc_mask
= 1 << AT91SAM9263_ID_UDP
,
152 .type
= CLK_TYPE_PERIPHERAL
,
154 static struct clk isi_clk
= {
156 .pmc_mask
= 1 << AT91SAM9263_ID_ISI
,
157 .type
= CLK_TYPE_PERIPHERAL
,
159 static struct clk lcdc_clk
= {
161 .pmc_mask
= 1 << AT91SAM9263_ID_LCDC
,
162 .type
= CLK_TYPE_PERIPHERAL
,
164 static struct clk ohci_clk
= {
166 .pmc_mask
= 1 << AT91SAM9263_ID_UHP
,
167 .type
= CLK_TYPE_PERIPHERAL
,
170 static struct clk
*periph_clocks
[] __initdata
= {
198 static struct clk_lookup periph_clocks_lookups
[] = {
199 CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk
),
200 CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk
),
201 CLKDEV_CON_DEV_ID("mci_clk", "at91_mci.0", &mmc0_clk
),
202 CLKDEV_CON_DEV_ID("mci_clk", "at91_mci.1", &mmc1_clk
),
203 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk
),
204 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk
),
205 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb_clk
),
208 static struct clk_lookup usart_clocks_lookups
[] = {
209 CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck
),
210 CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk
),
211 CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk
),
212 CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk
),
216 * The four programmable clocks.
217 * You must configure pin multiplexing to bring these signals out.
219 static struct clk pck0
= {
221 .pmc_mask
= AT91_PMC_PCK0
,
222 .type
= CLK_TYPE_PROGRAMMABLE
,
225 static struct clk pck1
= {
227 .pmc_mask
= AT91_PMC_PCK1
,
228 .type
= CLK_TYPE_PROGRAMMABLE
,
231 static struct clk pck2
= {
233 .pmc_mask
= AT91_PMC_PCK2
,
234 .type
= CLK_TYPE_PROGRAMMABLE
,
237 static struct clk pck3
= {
239 .pmc_mask
= AT91_PMC_PCK3
,
240 .type
= CLK_TYPE_PROGRAMMABLE
,
244 static void __init
at91sam9263_register_clocks(void)
248 for (i
= 0; i
< ARRAY_SIZE(periph_clocks
); i
++)
249 clk_register(periph_clocks
[i
]);
251 clkdev_add_table(periph_clocks_lookups
,
252 ARRAY_SIZE(periph_clocks_lookups
));
253 clkdev_add_table(usart_clocks_lookups
,
254 ARRAY_SIZE(usart_clocks_lookups
));
262 static struct clk_lookup console_clock_lookup
;
264 void __init
at91sam9263_set_console_clock(int id
)
266 if (id
>= ARRAY_SIZE(usart_clocks_lookups
))
269 console_clock_lookup
.con_id
= "usart";
270 console_clock_lookup
.clk
= usart_clocks_lookups
[id
].clk
;
271 clkdev_add(&console_clock_lookup
);
274 /* --------------------------------------------------------------------
276 * -------------------------------------------------------------------- */
278 static struct at91_gpio_bank at91sam9263_gpio
[] = {
280 .id
= AT91SAM9263_ID_PIOA
,
284 .id
= AT91SAM9263_ID_PIOB
,
288 .id
= AT91SAM9263_ID_PIOCDE
,
290 .clock
= &pioCDE_clk
,
292 .id
= AT91SAM9263_ID_PIOCDE
,
294 .clock
= &pioCDE_clk
,
296 .id
= AT91SAM9263_ID_PIOCDE
,
298 .clock
= &pioCDE_clk
,
302 static void at91sam9263_poweroff(void)
304 at91_sys_write(AT91_SHDW_CR
, AT91_SHDW_KEY
| AT91_SHDW_SHDW
);
308 /* --------------------------------------------------------------------
309 * AT91SAM9263 processor initialization
310 * -------------------------------------------------------------------- */
312 static void __init
at91sam9263_map_io(void)
314 iotable_init(at91sam9263_sram_desc
, ARRAY_SIZE(at91sam9263_sram_desc
));
317 static void __init
at91sam9263_initialize(void)
319 at91_arch_reset
= at91sam9_alt_reset
;
320 pm_power_off
= at91sam9263_poweroff
;
321 at91_extern_irq
= (1 << AT91SAM9263_ID_IRQ0
) | (1 << AT91SAM9263_ID_IRQ1
);
323 /* Register GPIO subsystem */
324 at91_gpio_init(at91sam9263_gpio
, 5);
327 /* --------------------------------------------------------------------
328 * Interrupt initialization
329 * -------------------------------------------------------------------- */
332 * The default interrupt priority levels (0 = lowest, 7 = highest).
334 static unsigned int at91sam9263_default_irq_priority
[NR_AIC_IRQS
] __initdata
= {
335 7, /* Advanced Interrupt Controller (FIQ) */
336 7, /* System Peripherals */
337 1, /* Parallel IO Controller A */
338 1, /* Parallel IO Controller B */
339 1, /* Parallel IO Controller C, D and E */
345 0, /* Multimedia Card Interface 0 */
346 0, /* Multimedia Card Interface 1 */
348 6, /* Two-Wire Interface */
349 5, /* Serial Peripheral Interface 0 */
350 5, /* Serial Peripheral Interface 1 */
351 4, /* Serial Synchronous Controller 0 */
352 4, /* Serial Synchronous Controller 1 */
353 5, /* AC97 Controller */
354 0, /* Timer Counter 0, 1 and 2 */
355 0, /* Pulse Width Modulation Controller */
358 0, /* 2D Graphic Engine */
359 2, /* USB Device Port */
360 0, /* Image Sensor Interface */
361 3, /* LDC Controller */
362 0, /* DMA Controller */
364 2, /* USB Host port */
365 0, /* Advanced Interrupt Controller (IRQ0) */
366 0, /* Advanced Interrupt Controller (IRQ1) */
369 struct at91_init_soc __initdata at91sam9263_soc
= {
370 .map_io
= at91sam9263_map_io
,
371 .default_irq_priority
= at91sam9263_default_irq_priority
,
372 .register_clocks
= at91sam9263_register_clocks
,
373 .init
= at91sam9263_initialize
,