atmel/nand: add DT support

[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-at91 / board-dt.c

diff --git a/arch/arm/mach-at91/board-dt.c b/arch/arm/mach-at91/board-dt.c
index 2eb294b2cc0e3c305166513f19fe47b5b43f4c18..9f729d6c89424a2307d7f5c57c7b54e39aeba463 100644 (file)
--- a/arch/arm/mach-at91/board-dt.c
+++ b/arch/arm/mach-at91/board-dt.c
@@ -19,10 +19,7 @@
 #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>
@@ -30,7 +27,6 @@
 #include <asm/mach/map.h>
 #include <asm/mach/irq.h>
 
-#include "sam9_smc.h"
 #include "generic.h"
 
 
@@ -40,50 +36,6 @@ static void __init ek_init_early(void)
        at91_initialize(12000000);
 }
 
-/* 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,
-       .ecc_mode       = NAND_ECC_SOFT,
-       .on_flash_bbt   = 1,
-};
-
-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,
-
-       .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 irq_of_match[] __initconst = {
 
        { .compatible = "atmel,at91rm9200-aic", .data = at91_aic_of_init },
@@ -100,9 +52,6 @@ static void __init at91_dt_init_irq(void)
 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 = {