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Diffstat (limited to 'arch/arm/mach-at91/at91sam9g45.c')
-rw-r--r--arch/arm/mach-at91/at91sam9g45.c48
1 files changed, 25 insertions, 23 deletions
diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c
index 318b0407ea0..7032dd32cdf 100644
--- a/arch/arm/mach-at91/at91sam9g45.c
+++ b/arch/arm/mach-at91/at91sam9g45.c
@@ -11,7 +11,6 @@
11 */ 11 */
12 12
13#include <linux/module.h> 13#include <linux/module.h>
14#include <linux/pm.h>
15#include <linux/dma-mapping.h> 14#include <linux/dma-mapping.h>
16 15
17#include <asm/irq.h> 16#include <asm/irq.h>
@@ -20,12 +19,12 @@
20#include <mach/at91sam9g45.h> 19#include <mach/at91sam9g45.h>
21#include <mach/at91_pmc.h> 20#include <mach/at91_pmc.h>
22#include <mach/at91_rstc.h> 21#include <mach/at91_rstc.h>
23#include <mach/at91_shdwc.h>
24#include <mach/cpu.h> 22#include <mach/cpu.h>
25 23
26#include "soc.h" 24#include "soc.h"
27#include "generic.h" 25#include "generic.h"
28#include "clock.h" 26#include "clock.h"
27#include "sam9_smc.h"
29 28
30/* -------------------------------------------------------------------- 29/* --------------------------------------------------------------------
31 * Clocks 30 * Clocks
@@ -150,7 +149,7 @@ static struct clk ac97_clk = {
150 .type = CLK_TYPE_PERIPHERAL, 149 .type = CLK_TYPE_PERIPHERAL,
151}; 150};
152static struct clk macb_clk = { 151static struct clk macb_clk = {
153 .name = "macb_clk", 152 .name = "pclk",
154 .pmc_mask = 1 << AT91SAM9G45_ID_EMAC, 153 .pmc_mask = 1 << AT91SAM9G45_ID_EMAC,
155 .type = CLK_TYPE_PERIPHERAL, 154 .type = CLK_TYPE_PERIPHERAL,
156}; 155};
@@ -209,6 +208,8 @@ static struct clk *periph_clocks[] __initdata = {
209}; 208};
210 209
211static struct clk_lookup periph_clocks_lookups[] = { 210static struct clk_lookup periph_clocks_lookups[] = {
211 /* One additional fake clock for macb_hclk */
212 CLKDEV_CON_ID("hclk", &macb_clk),
212 /* One additional fake clock for ohci */ 213 /* One additional fake clock for ohci */
213 CLKDEV_CON_ID("ohci_clk", &uhphs_clk), 214 CLKDEV_CON_ID("ohci_clk", &uhphs_clk),
214 CLKDEV_CON_DEV_ID("ehci_clk", "atmel-ehci", &uhphs_clk), 215 CLKDEV_CON_DEV_ID("ehci_clk", "atmel-ehci", &uhphs_clk),
@@ -231,6 +232,11 @@ static struct clk_lookup periph_clocks_lookups[] = {
231 CLKDEV_CON_DEV_ID("usart", "fff98000.serial", &usart3_clk), 232 CLKDEV_CON_DEV_ID("usart", "fff98000.serial", &usart3_clk),
232 /* fake hclk clock */ 233 /* fake hclk clock */
233 CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &uhphs_clk), 234 CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &uhphs_clk),
235 CLKDEV_CON_ID("pioA", &pioA_clk),
236 CLKDEV_CON_ID("pioB", &pioB_clk),
237 CLKDEV_CON_ID("pioC", &pioC_clk),
238 CLKDEV_CON_ID("pioD", &pioDE_clk),
239 CLKDEV_CON_ID("pioE", &pioDE_clk),
234}; 240};
235 241
236static struct clk_lookup usart_clocks_lookups[] = { 242static struct clk_lookup usart_clocks_lookups[] = {
@@ -293,41 +299,30 @@ void __init at91sam9g45_set_console_clock(int id)
293 * GPIO 299 * GPIO
294 * -------------------------------------------------------------------- */ 300 * -------------------------------------------------------------------- */
295 301
296static struct at91_gpio_bank at91sam9g45_gpio[] = { 302static struct at91_gpio_bank at91sam9g45_gpio[] __initdata = {
297 { 303 {
298 .id = AT91SAM9G45_ID_PIOA, 304 .id = AT91SAM9G45_ID_PIOA,
299 .offset = AT91_PIOA, 305 .regbase = AT91SAM9G45_BASE_PIOA,
300 .clock = &pioA_clk,
301 }, { 306 }, {
302 .id = AT91SAM9G45_ID_PIOB, 307 .id = AT91SAM9G45_ID_PIOB,
303 .offset = AT91_PIOB, 308 .regbase = AT91SAM9G45_BASE_PIOB,
304 .clock = &pioB_clk,
305 }, { 309 }, {
306 .id = AT91SAM9G45_ID_PIOC, 310 .id = AT91SAM9G45_ID_PIOC,
307 .offset = AT91_PIOC, 311 .regbase = AT91SAM9G45_BASE_PIOC,
308 .clock = &pioC_clk,
309 }, { 312 }, {
310 .id = AT91SAM9G45_ID_PIODE, 313 .id = AT91SAM9G45_ID_PIODE,
311 .offset = AT91_PIOD, 314 .regbase = AT91SAM9G45_BASE_PIOD,
312 .clock = &pioDE_clk,
313 }, { 315 }, {
314 .id = AT91SAM9G45_ID_PIODE, 316 .id = AT91SAM9G45_ID_PIODE,
315 .offset = AT91_PIOE, 317 .regbase = AT91SAM9G45_BASE_PIOE,
316 .clock = &pioDE_clk,
317 } 318 }
318}; 319};
319 320
320static void at91sam9g45_reset(void) 321static void at91sam9g45_restart(char mode, const char *cmd)
321{ 322{
322 at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); 323 at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
323} 324}
324 325
325static void at91sam9g45_poweroff(void)
326{
327 at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
328}
329
330
331/* -------------------------------------------------------------------- 326/* --------------------------------------------------------------------
332 * AT91SAM9G45 processor initialization 327 * AT91SAM9G45 processor initialization
333 * -------------------------------------------------------------------- */ 328 * -------------------------------------------------------------------- */
@@ -338,10 +333,16 @@ static void __init at91sam9g45_map_io(void)
338 init_consistent_dma_size(SZ_4M); 333 init_consistent_dma_size(SZ_4M);
339} 334}
340 335
336static void __init at91sam9g45_ioremap_registers(void)
337{
338 at91_ioremap_shdwc(AT91SAM9G45_BASE_SHDWC);
339 at91sam926x_ioremap_pit(AT91SAM9G45_BASE_PIT);
340 at91sam9_ioremap_smc(0, AT91SAM9G45_BASE_SMC);
341}
342
341static void __init at91sam9g45_initialize(void) 343static void __init at91sam9g45_initialize(void)
342{ 344{
343 at91_arch_reset = at91sam9g45_reset; 345 arm_pm_restart = at91sam9g45_restart;
344 pm_power_off = at91sam9g45_poweroff;
345 at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0); 346 at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0);
346 347
347 /* Register GPIO subsystem */ 348 /* Register GPIO subsystem */
@@ -393,6 +394,7 @@ static unsigned int at91sam9g45_default_irq_priority[NR_AIC_IRQS] __initdata = {
393struct at91_init_soc __initdata at91sam9g45_soc = { 394struct at91_init_soc __initdata at91sam9g45_soc = {
394 .map_io = at91sam9g45_map_io, 395 .map_io = at91sam9g45_map_io,
395 .default_irq_priority = at91sam9g45_default_irq_priority, 396 .default_irq_priority = at91sam9g45_default_irq_priority,
397 .ioremap_registers = at91sam9g45_ioremap_registers,
396 .register_clocks = at91sam9g45_register_clocks, 398 .register_clocks = at91sam9g45_register_clocks,
397 .init = at91sam9g45_initialize, 399 .init = at91sam9g45_initialize,
398}; 400};