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>
15 #include <asm/proc-fns.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>
28 /* --------------------------------------------------------------------
30 * -------------------------------------------------------------------- */
33 * The peripheral clocks.
35 static struct clk pioA_clk = {
37 .pmc_mask = 1 << AT91SAM9263_ID_PIOA,
38 .type = CLK_TYPE_PERIPHERAL,
40 static struct clk pioB_clk = {
42 .pmc_mask = 1 << AT91SAM9263_ID_PIOB,
43 .type = CLK_TYPE_PERIPHERAL,
45 static struct clk pioCDE_clk = {
47 .pmc_mask = 1 << AT91SAM9263_ID_PIOCDE,
48 .type = CLK_TYPE_PERIPHERAL,
50 static struct clk usart0_clk = {
52 .pmc_mask = 1 << AT91SAM9263_ID_US0,
53 .type = CLK_TYPE_PERIPHERAL,
55 static struct clk usart1_clk = {
57 .pmc_mask = 1 << AT91SAM9263_ID_US1,
58 .type = CLK_TYPE_PERIPHERAL,
60 static struct clk usart2_clk = {
62 .pmc_mask = 1 << AT91SAM9263_ID_US2,
63 .type = CLK_TYPE_PERIPHERAL,
65 static struct clk mmc0_clk = {
67 .pmc_mask = 1 << AT91SAM9263_ID_MCI0,
68 .type = CLK_TYPE_PERIPHERAL,
70 static struct clk mmc1_clk = {
72 .pmc_mask = 1 << AT91SAM9263_ID_MCI1,
73 .type = CLK_TYPE_PERIPHERAL,
75 static struct clk can_clk = {
77 .pmc_mask = 1 << AT91SAM9263_ID_CAN,
78 .type = CLK_TYPE_PERIPHERAL,
80 static struct clk twi_clk = {
82 .pmc_mask = 1 << AT91SAM9263_ID_TWI,
83 .type = CLK_TYPE_PERIPHERAL,
85 static struct clk spi0_clk = {
87 .pmc_mask = 1 << AT91SAM9263_ID_SPI0,
88 .type = CLK_TYPE_PERIPHERAL,
90 static struct clk spi1_clk = {
92 .pmc_mask = 1 << AT91SAM9263_ID_SPI1,
93 .type = CLK_TYPE_PERIPHERAL,
95 static struct clk ssc0_clk = {
97 .pmc_mask = 1 << AT91SAM9263_ID_SSC0,
98 .type = CLK_TYPE_PERIPHERAL,
100 static struct clk ssc1_clk = {
102 .pmc_mask = 1 << AT91SAM9263_ID_SSC1,
103 .type = CLK_TYPE_PERIPHERAL,
105 static struct clk ac97_clk = {
107 .pmc_mask = 1 << AT91SAM9263_ID_AC97C,
108 .type = CLK_TYPE_PERIPHERAL,
110 static struct clk tcb_clk = {
112 .pmc_mask = 1 << AT91SAM9263_ID_TCB,
113 .type = CLK_TYPE_PERIPHERAL,
115 static struct clk pwm_clk = {
117 .pmc_mask = 1 << AT91SAM9263_ID_PWMC,
118 .type = CLK_TYPE_PERIPHERAL,
120 static struct clk macb_clk = {
122 .pmc_mask = 1 << AT91SAM9263_ID_EMAC,
123 .type = CLK_TYPE_PERIPHERAL,
125 static struct clk dma_clk = {
127 .pmc_mask = 1 << AT91SAM9263_ID_DMA,
128 .type = CLK_TYPE_PERIPHERAL,
130 static struct clk twodge_clk = {
132 .pmc_mask = 1 << AT91SAM9263_ID_2DGE,
133 .type = CLK_TYPE_PERIPHERAL,
135 static struct clk udc_clk = {
137 .pmc_mask = 1 << AT91SAM9263_ID_UDP,
138 .type = CLK_TYPE_PERIPHERAL,
140 static struct clk isi_clk = {
142 .pmc_mask = 1 << AT91SAM9263_ID_ISI,
143 .type = CLK_TYPE_PERIPHERAL,
145 static struct clk lcdc_clk = {
147 .pmc_mask = 1 << AT91SAM9263_ID_LCDC,
148 .type = CLK_TYPE_PERIPHERAL,
150 static struct clk ohci_clk = {
152 .pmc_mask = 1 << AT91SAM9263_ID_UHP,
153 .type = CLK_TYPE_PERIPHERAL,
156 static struct clk *periph_clocks[] __initdata = {
184 static struct clk_lookup periph_clocks_lookups[] = {
185 /* One additional fake clock for macb_hclk */
186 CLKDEV_CON_ID("hclk", &macb_clk),
187 CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
188 CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
189 CLKDEV_CON_DEV_ID("mci_clk", "at91_mci.0", &mmc0_clk),
190 CLKDEV_CON_DEV_ID("mci_clk", "at91_mci.1", &mmc1_clk),
191 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
192 CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
193 CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb_clk),
194 /* fake hclk clock */
195 CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
196 CLKDEV_CON_ID("pioA", &pioA_clk),
197 CLKDEV_CON_ID("pioB", &pioB_clk),
198 CLKDEV_CON_ID("pioC", &pioCDE_clk),
199 CLKDEV_CON_ID("pioD", &pioCDE_clk),
200 CLKDEV_CON_ID("pioE", &pioCDE_clk),
203 static struct clk_lookup usart_clocks_lookups[] = {
204 CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck),
205 CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk),
206 CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk),
207 CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk),
211 * The four programmable clocks.
212 * You must configure pin multiplexing to bring these signals out.
214 static struct clk pck0 = {
216 .pmc_mask = AT91_PMC_PCK0,
217 .type = CLK_TYPE_PROGRAMMABLE,
220 static struct clk pck1 = {
222 .pmc_mask = AT91_PMC_PCK1,
223 .type = CLK_TYPE_PROGRAMMABLE,
226 static struct clk pck2 = {
228 .pmc_mask = AT91_PMC_PCK2,
229 .type = CLK_TYPE_PROGRAMMABLE,
232 static struct clk pck3 = {
234 .pmc_mask = AT91_PMC_PCK3,
235 .type = CLK_TYPE_PROGRAMMABLE,
239 static void __init at91sam9263_register_clocks(void)
243 for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
244 clk_register(periph_clocks[i]);
246 clkdev_add_table(periph_clocks_lookups,
247 ARRAY_SIZE(periph_clocks_lookups));
248 clkdev_add_table(usart_clocks_lookups,
249 ARRAY_SIZE(usart_clocks_lookups));
257 static struct clk_lookup console_clock_lookup;
259 void __init at91sam9263_set_console_clock(int id)
261 if (id >= ARRAY_SIZE(usart_clocks_lookups))
264 console_clock_lookup.con_id = "usart";
265 console_clock_lookup.clk = usart_clocks_lookups[id].clk;
266 clkdev_add(&console_clock_lookup);
269 /* --------------------------------------------------------------------
271 * -------------------------------------------------------------------- */
273 static struct at91_gpio_bank at91sam9263_gpio[] __initdata = {
275 .id = AT91SAM9263_ID_PIOA,
276 .regbase = AT91SAM9263_BASE_PIOA,
278 .id = AT91SAM9263_ID_PIOB,
279 .regbase = AT91SAM9263_BASE_PIOB,
281 .id = AT91SAM9263_ID_PIOCDE,
282 .regbase = AT91SAM9263_BASE_PIOC,
284 .id = AT91SAM9263_ID_PIOCDE,
285 .regbase = AT91SAM9263_BASE_PIOD,
287 .id = AT91SAM9263_ID_PIOCDE,
288 .regbase = AT91SAM9263_BASE_PIOE,
292 /* --------------------------------------------------------------------
293 * AT91SAM9263 processor initialization
294 * -------------------------------------------------------------------- */
296 static void __init at91sam9263_map_io(void)
298 at91_init_sram(0, AT91SAM9263_SRAM0_BASE, AT91SAM9263_SRAM0_SIZE);
299 at91_init_sram(1, AT91SAM9263_SRAM1_BASE, AT91SAM9263_SRAM1_SIZE);
302 static void __init at91sam9263_ioremap_registers(void)
304 at91_ioremap_shdwc(AT91SAM9263_BASE_SHDWC);
305 at91_ioremap_rstc(AT91SAM9263_BASE_RSTC);
306 at91_ioremap_ramc(0, AT91SAM9263_BASE_SDRAMC0, 512);
307 at91_ioremap_ramc(1, AT91SAM9263_BASE_SDRAMC1, 512);
308 at91sam926x_ioremap_pit(AT91SAM9263_BASE_PIT);
309 at91sam9_ioremap_smc(0, AT91SAM9263_BASE_SMC0);
310 at91sam9_ioremap_smc(1, AT91SAM9263_BASE_SMC1);
311 at91_ioremap_matrix(AT91SAM9263_BASE_MATRIX);
314 static void __init at91sam9263_initialize(void)
316 arm_pm_idle = at91sam9_idle;
317 arm_pm_restart = at91sam9_alt_restart;
318 at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1);
320 /* Register GPIO subsystem */
321 at91_gpio_init(at91sam9263_gpio, 5);
324 /* --------------------------------------------------------------------
325 * Interrupt initialization
326 * -------------------------------------------------------------------- */
329 * The default interrupt priority levels (0 = lowest, 7 = highest).
331 static unsigned int at91sam9263_default_irq_priority[NR_AIC_IRQS] __initdata = {
332 7, /* Advanced Interrupt Controller (FIQ) */
333 7, /* System Peripherals */
334 1, /* Parallel IO Controller A */
335 1, /* Parallel IO Controller B */
336 1, /* Parallel IO Controller C, D and E */
342 0, /* Multimedia Card Interface 0 */
343 0, /* Multimedia Card Interface 1 */
345 6, /* Two-Wire Interface */
346 5, /* Serial Peripheral Interface 0 */
347 5, /* Serial Peripheral Interface 1 */
348 4, /* Serial Synchronous Controller 0 */
349 4, /* Serial Synchronous Controller 1 */
350 5, /* AC97 Controller */
351 0, /* Timer Counter 0, 1 and 2 */
352 0, /* Pulse Width Modulation Controller */
355 0, /* 2D Graphic Engine */
356 2, /* USB Device Port */
357 0, /* Image Sensor Interface */
358 3, /* LDC Controller */
359 0, /* DMA Controller */
361 2, /* USB Host port */
362 0, /* Advanced Interrupt Controller (IRQ0) */
363 0, /* Advanced Interrupt Controller (IRQ1) */
366 struct at91_init_soc __initdata at91sam9263_soc = {
367 .map_io = at91sam9263_map_io,
368 .default_irq_priority = at91sam9263_default_irq_priority,
369 .ioremap_registers = at91sam9263_ioremap_registers,
370 .register_clocks = at91sam9263_register_clocks,
371 .init = at91sam9263_initialize,