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authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2012-01-26 02:11:06 +0800
committerJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2012-03-15 23:29:12 +0800
commitd6a016616ba834b7da7653effb98d413acde7aa2 (patch)
tree444b749ce7c53737677bfff84f036ce3f685060a /arch/arm/mach-at91
parent770d7c39af940da24dd4c2c048576d778ac0abd4 (diff)
downloadop-kernel-dev-d6a016616ba834b7da7653effb98d413acde7aa2.zip
op-kernel-dev-d6a016616ba834b7da7653effb98d413acde7aa2.tar.gz
atmel/nand: add DT support
Use a local copy of board informatin and fill with DT data. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'arch/arm/mach-at91')
-rw-r--r--arch/arm/mach-at91/at91sam9x5.c5
-rw-r--r--arch/arm/mach-at91/board-dt.c51
2 files changed, 0 insertions, 56 deletions
diff --git a/arch/arm/mach-at91/at91sam9x5.c b/arch/arm/mach-at91/at91sam9x5.c
index a34d96a..7bec5a4 100644
--- a/arch/arm/mach-at91/at91sam9x5.c
+++ b/arch/arm/mach-at91/at91sam9x5.c
@@ -314,11 +314,6 @@ void __init at91sam9x5_initialize(void)
}
/* --------------------------------------------------------------------
- * AT91SAM9x5 devices (temporary before modification of code)
- * -------------------------------------------------------------------- */
-void __init at91_add_device_nand(struct atmel_nand_data *data) {}
-
-/* --------------------------------------------------------------------
* Interrupt initialization
* -------------------------------------------------------------------- */
/*
diff --git a/arch/arm/mach-at91/board-dt.c b/arch/arm/mach-at91/board-dt.c
index 2eb294b..9f729d6 100644
--- 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 = {
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