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Diffstat (limited to 'arch/arm/mach-at91/at91sam9261.c')
-rw-r--r--arch/arm/mach-at91/at91sam9261.c106
1 files changed, 67 insertions, 39 deletions
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index 658a5185abf..fb164a5d04a 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -11,19 +11,25 @@
*/
#include <linux/module.h>
-#include <linux/pm.h>
+#include <linux/clk/at91_pmc.h>
+#include <asm/proc-fns.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
+#include <asm/system_misc.h>
#include <mach/cpu.h>
#include <mach/at91sam9261.h>
-#include <mach/at91_pmc.h>
-#include <mach/at91_rstc.h>
-#include <mach/at91_shdwc.h>
+#include <mach/hardware.h>
+#include "at91_aic.h"
+#include "at91_rstc.h"
#include "soc.h"
#include "generic.h"
+#include "sam9_smc.h"
+#include "pm.h"
+
+#if defined(CONFIG_OLD_CLK_AT91)
#include "clock.h"
/* --------------------------------------------------------------------
@@ -167,15 +173,42 @@ static struct clk *periph_clocks[] __initdata = {
};
static struct clk_lookup periph_clocks_lookups[] = {
+ CLKDEV_CON_DEV_ID("hclk", "at91sam9261-lcdfb.0", &hck1),
+ CLKDEV_CON_DEV_ID("hclk", "at91sam9g10-lcdfb.0", &hck1),
CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk),
CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk),
CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk),
- CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
- CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
- CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk),
+ CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.0", &ssc0_clk),
+ CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.1", &ssc1_clk),
+ CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.2", &ssc2_clk),
+ CLKDEV_CON_DEV_ID("pclk", "fffbc000.ssc", &ssc0_clk),
+ CLKDEV_CON_DEV_ID("pclk", "fffc0000.ssc", &ssc1_clk),
+ CLKDEV_CON_DEV_ID("pclk", "fffc4000.ssc", &ssc2_clk),
CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &hck0),
+ CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9261.0", &twi_clk),
+ CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g10.0", &twi_clk),
+ CLKDEV_CON_ID("pioA", &pioA_clk),
+ CLKDEV_CON_ID("pioB", &pioB_clk),
+ CLKDEV_CON_ID("pioC", &pioC_clk),
+ /* more lookup table for DT entries */
+ CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck),
+ CLKDEV_CON_DEV_ID("usart", "fffb0000.serial", &usart0_clk),
+ CLKDEV_CON_DEV_ID("usart", "ffffb400.serial", &usart1_clk),
+ CLKDEV_CON_DEV_ID("usart", "fff94000.serial", &usart2_clk),
+ CLKDEV_CON_DEV_ID("t0_clk", "fffa0000.timer", &tc0_clk),
+ CLKDEV_CON_DEV_ID("t1_clk", "fffa0000.timer", &tc1_clk),
+ CLKDEV_CON_DEV_ID("t2_clk", "fffa0000.timer", &tc2_clk),
+ CLKDEV_CON_DEV_ID("hclk", "500000.ohci", &hck0),
+ CLKDEV_CON_DEV_ID("hclk", "600000.fb", &hck1),
+ CLKDEV_CON_DEV_ID("spi_clk", "fffc8000.spi", &spi0_clk),
+ CLKDEV_CON_DEV_ID("spi_clk", "fffcc000.spi", &spi1_clk),
+ CLKDEV_CON_DEV_ID("mci_clk", "fffa8000.mmc", &mmc_clk),
+ CLKDEV_CON_DEV_ID(NULL, "fffac000.i2c", &twi_clk),
+ CLKDEV_CON_DEV_ID(NULL, "fffff400.gpio", &pioA_clk),
+ CLKDEV_CON_DEV_ID(NULL, "fffff600.gpio", &pioB_clk),
+ CLKDEV_CON_DEV_ID(NULL, "fffff800.gpio", &pioC_clk),
};
static struct clk_lookup usart_clocks_lookups[] = {
@@ -234,45 +267,26 @@ static void __init at91sam9261_register_clocks(void)
clk_register(&hck0);
clk_register(&hck1);
}
-
-static struct clk_lookup console_clock_lookup;
-
-void __init at91sam9261_set_console_clock(int id)
-{
- if (id >= ARRAY_SIZE(usart_clocks_lookups))
- return;
-
- console_clock_lookup.con_id = "usart";
- console_clock_lookup.clk = usart_clocks_lookups[id].clk;
- clkdev_add(&console_clock_lookup);
-}
-
+#else
+#define at91sam9261_register_clocks NULL
+#endif
/* --------------------------------------------------------------------
* GPIO
* -------------------------------------------------------------------- */
-static struct at91_gpio_bank at91sam9261_gpio[] = {
+static struct at91_gpio_bank at91sam9261_gpio[] __initdata = {
{
.id = AT91SAM9261_ID_PIOA,
- .offset = AT91_PIOA,
- .clock = &pioA_clk,
+ .regbase = AT91SAM9261_BASE_PIOA,
}, {
.id = AT91SAM9261_ID_PIOB,
- .offset = AT91_PIOB,
- .clock = &pioB_clk,
+ .regbase = AT91SAM9261_BASE_PIOB,
}, {
.id = AT91SAM9261_ID_PIOC,
- .offset = AT91_PIOC,
- .clock = &pioC_clk,
+ .regbase = AT91SAM9261_BASE_PIOC,
}
};
-static void at91sam9261_poweroff(void)
-{
- at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
-}
-
-
/* --------------------------------------------------------------------
* AT91SAM9261 processor initialization
* -------------------------------------------------------------------- */
@@ -285,12 +299,23 @@ static void __init at91sam9261_map_io(void)
at91_init_sram(0, AT91SAM9261_SRAM_BASE, AT91SAM9261_SRAM_SIZE);
}
+static void __init at91sam9261_ioremap_registers(void)
+{
+ at91_ioremap_shdwc(AT91SAM9261_BASE_SHDWC);
+ at91_ioremap_rstc(AT91SAM9261_BASE_RSTC);
+ at91_ioremap_ramc(0, AT91SAM9261_BASE_SDRAMC, 512);
+ at91sam926x_ioremap_pit(AT91SAM9261_BASE_PIT);
+ at91sam9_ioremap_smc(0, AT91SAM9261_BASE_SMC);
+ at91_ioremap_matrix(AT91SAM9261_BASE_MATRIX);
+ at91_pm_set_standby(at91sam9_sdram_standby);
+}
+
static void __init at91sam9261_initialize(void)
{
- at91_arch_reset = at91sam9_alt_reset;
- pm_power_off = at91sam9261_poweroff;
- at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1)
- | (1 << AT91SAM9261_ID_IRQ2);
+ arm_pm_idle = at91sam9_idle;
+ arm_pm_restart = at91sam9_alt_restart;
+
+ at91_sysirq_mask_rtt(AT91SAM9261_BASE_RTT);
/* Register GPIO subsystem */
at91_gpio_init(at91sam9261_gpio, 3);
@@ -338,9 +363,12 @@ static unsigned int at91sam9261_default_irq_priority[NR_AIC_IRQS] __initdata = {
0, /* Advanced Interrupt Controller */
};
-struct at91_init_soc __initdata at91sam9261_soc = {
+AT91_SOC_START(at91sam9261)
.map_io = at91sam9261_map_io,
.default_irq_priority = at91sam9261_default_irq_priority,
+ .extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1)
+ | (1 << AT91SAM9261_ID_IRQ2),
+ .ioremap_registers = at91sam9261_ioremap_registers,
.register_clocks = at91sam9261_register_clocks,
.init = at91sam9261_initialize,
-};
+AT91_SOC_END