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Diffstat (limited to 'arch/arm/mach-at91/board-dt.c')
-rw-r--r--arch/arm/mach-at91/board-dt.c76
1 files changed, 9 insertions, 67 deletions
diff --git a/arch/arm/mach-at91/board-dt.c b/arch/arm/mach-at91/board-dt.c
index bb6b434..c18d4d3 100644
--- a/arch/arm/mach-at91/board-dt.c
+++ b/arch/arm/mach-at91/board-dt.c
@@ -15,14 +15,11 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/gpio.h>
-#include <linux/irqdomain.h>
+#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
-#include <mach/hardware.h>
#include <mach/board.h>
-#include <mach/system_rev.h>
-#include <mach/at91sam9_smc.h>
#include <asm/setup.h>
#include <asm/irq.h>
@@ -30,85 +27,30 @@
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
-#include "sam9_smc.h"
#include "generic.h"
-static void __init ek_init_early(void)
-{
- /* Initialize processor: 12.000 MHz crystal */
- at91_initialize(12000000);
-
- /* DGBU on ttyS0. (Rx & Tx only) */
- at91_register_uart(0, 0, 0);
-
- /* set serial console to ttyS0 (ie, DBGU) */
- at91_set_serial_console(0);
-}
-
-/* det_pin is not connected */
-static struct atmel_nand_data __initdata ek_nand_data = {
- .ale = 21,
- .cle = 22,
- .det_pin = -EINVAL,
- .rdy_pin = AT91_PIN_PC8,
- .enable_pin = AT91_PIN_PC14,
-};
-
-static struct sam9_smc_config __initdata ek_nand_smc_config = {
- .ncs_read_setup = 0,
- .nrd_setup = 2,
- .ncs_write_setup = 0,
- .nwe_setup = 2,
-
- .ncs_read_pulse = 4,
- .nrd_pulse = 4,
- .ncs_write_pulse = 4,
- .nwe_pulse = 4,
-
- .read_cycle = 7,
- .write_cycle = 7,
+static const struct of_device_id irq_of_match[] __initconst = {
- .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
- .tdf_cycles = 3,
-};
-
-static void __init ek_add_device_nand(void)
-{
- ek_nand_data.bus_width_16 = board_have_nand_16bit();
- /* setup bus-width (8 or 16) */
- if (ek_nand_data.bus_width_16)
- ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
- else
- ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
-
- /* configure chip-select 3 (NAND) */
- sam9_smc_configure(0, 3, &ek_nand_smc_config);
-
- at91_add_device_nand(&ek_nand_data);
-}
-
-static const struct of_device_id aic_of_match[] __initconst = {
- { .compatible = "atmel,at91rm9200-aic", },
- {},
+ { .compatible = "atmel,at91rm9200-aic", .data = at91_aic_of_init },
+ { .compatible = "atmel,at91rm9200-gpio", .data = at91_gpio_of_irq_setup },
+ { .compatible = "atmel,at91sam9x5-gpio", .data = at91_gpio_of_irq_setup },
+ { /*sentinel*/ }
};
static void __init at91_dt_init_irq(void)
{
- irq_domain_generate_simple(aic_of_match, 0xfffff000, 0);
- at91_init_irq_default();
+ of_irq_init(irq_of_match);
}
static void __init at91_dt_device_init(void)
{
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
-
- /* NAND */
- ek_add_device_nand();
}
static const char *at91_dt_board_compat[] __initdata = {
"atmel,at91sam9m10g45ek",
+ "atmel,at91sam9x5ek",
"calao,usb-a9g20",
NULL
};
@@ -117,7 +59,7 @@ DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)")
/* Maintainer: Atmel */
.timer = &at91sam926x_timer,
.map_io = at91_map_io,
- .init_early = ek_init_early,
+ .init_early = at91_dt_initialize,
.init_irq = at91_dt_init_irq,
.init_machine = at91_dt_device_init,
.dt_compat = at91_dt_board_compat,