at91: remove MTD_NAND_ATMEL_BUSWIDTH_16 option

no board configure it as 'n' and it's an issue to merge all defconfigs
in one

On AT91SAM926x boards both types of NAND flash can be present
(8 and 16 bit data bus width).

so will pass it via system_rev

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Patrice Vilchez <patrice.vilchez@atmel.com>

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 2d299bf5d72fc05085dacf6ce5bcb20d9c02e1ea..8cbc3aae6c648ee688fadfac2badf0d37e7e81bf 100644 (file)
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -3,9 +3,6 @@ if ARCH_AT91
 config HAVE_AT91_DATAFLASH_CARD
        bool
 
-config HAVE_NAND_ATMEL_BUSWIDTH_16
-       bool
-
 config HAVE_AT91_USART3
        bool
 
@@ -209,7 +206,6 @@ comment "AT91SAM9260 / AT91SAM9XE Board Type"
 config MACH_AT91SAM9260EK
        bool "Atmel AT91SAM9260-EK / AT91SAM9XE Evaluation Kit"
        select HAVE_AT91_DATAFLASH_CARD
-       select HAVE_NAND_ATMEL_BUSWIDTH_16
        help
          Select this if you are using Atmel's AT91SAM9260-EK or AT91SAM9XE Evaluation Kit
          <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3933>
@@ -270,7 +266,6 @@ comment "AT91SAM9261 Board Type"
 config MACH_AT91SAM9261EK
        bool "Atmel AT91SAM9261-EK Evaluation Kit"
        select HAVE_AT91_DATAFLASH_CARD
-       select HAVE_NAND_ATMEL_BUSWIDTH_16
        help
          Select this if you are using Atmel's AT91SAM9261-EK Evaluation Kit.
          <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3820>
@@ -286,7 +281,6 @@ comment "AT91SAM9G10 Board Type"
 config MACH_AT91SAM9G10EK
        bool "Atmel AT91SAM9G10-EK Evaluation Kit"
        select HAVE_AT91_DATAFLASH_CARD
-       select HAVE_NAND_ATMEL_BUSWIDTH_16
        help
          Select this if you are using Atmel's AT91SAM9G10-EK Evaluation Kit.
          <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4588>
@@ -302,7 +296,6 @@ comment "AT91SAM9263 Board Type"
 config MACH_AT91SAM9263EK
        bool "Atmel AT91SAM9263-EK Evaluation Kit"
        select HAVE_AT91_DATAFLASH_CARD
-       select HAVE_NAND_ATMEL_BUSWIDTH_16
        help
          Select this if you are using Atmel's AT91SAM9263-EK Evaluation Kit.
          <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4057>
@@ -343,7 +336,6 @@ comment "AT91SAM9G20 Board Type"
 config MACH_AT91SAM9G20EK
        bool "Atmel AT91SAM9G20-EK Evaluation Kit"
        select HAVE_AT91_DATAFLASH_CARD
-       select HAVE_NAND_ATMEL_BUSWIDTH_16
        help
          Select this if you are using Atmel's AT91SAM9G20-EK Evaluation Kit
          that embeds only one SD/MMC slot.
@@ -351,7 +343,6 @@ config MACH_AT91SAM9G20EK
 config MACH_AT91SAM9G20EK_2MMC
        depends on MACH_AT91SAM9G20EK
        bool "Atmel AT91SAM9G20-EK Evaluation Kit with 2 SD/MMC Slots"
-       select HAVE_NAND_ATMEL_BUSWIDTH_16
        help
          Select this if you are using an Atmel AT91SAM9G20-EK Evaluation Kit
          with 2 SD/MMC Slots. This is the case for AT91SAM9G20-EK rev. C and
@@ -416,7 +407,6 @@ comment "AT91SAM9G45 Board Type"
 
 config MACH_AT91SAM9M10G45EK
        bool "Atmel AT91SAM9M10G45-EK Evaluation Kits"
-       select HAVE_NAND_ATMEL_BUSWIDTH_16
        help
          Select this if you are using Atmel's AT91SAM9G45-EKES Evaluation Kit.
          "ES" at the end of the name means that this board is an
@@ -433,7 +423,6 @@ comment "AT91CAP9 Board Type"
 config MACH_AT91CAP9ADK
        bool "Atmel AT91CAP9A-DK Evaluation Kit"
        select HAVE_AT91_DATAFLASH_CARD
-       select HAVE_NAND_ATMEL_BUSWIDTH_16
        help
          Select this if you are using Atmel's AT91CAP9A-DK Evaluation Kit.
          <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4138>
@@ -450,7 +439,6 @@ config MACH_AT572D940HFEB
        bool "AT572D940HF-EK"
        depends on ARCH_AT572D940HF
        select HAVE_AT91_DATAFLASH_CARD
-       select HAVE_NAND_ATMEL_BUSWIDTH_16
        help
          Select this if you are using Atmel's AT572D940HF-EK evaluation kit.
          <http://www.atmel.com/products/diopsis/default.asp>
@@ -483,13 +471,6 @@ config MTD_AT91_DATAFLASH_CARD
        help
          Enable support for the DataFlash card.
 
-config MTD_NAND_ATMEL_BUSWIDTH_16
-       bool "Enable 16-bit data bus interface to NAND flash"
-       depends on HAVE_NAND_ATMEL_BUSWIDTH_16
-       help
-         On AT91SAM926x boards both types of NAND flash can be present
-         (8 and 16 bit data bus width).
-
 # ----------------------------------------------------------
 
 comment "AT91 Feature Selections"

diff --git a/arch/arm/mach-at91/board-at572d940hf_ek.c b/arch/arm/mach-at91/board-at572d940hf_ek.c
index 3929f1c9e4e5ce0fe10bb8ba64c02d4eae27aaed..096b99f4b1f336b8d10ab49c975201ffcee89c89 100644 (file)
--- a/arch/arm/mach-at91/board-at572d940hf_ek.c
+++ b/arch/arm/mach-at91/board-at572d940hf_ek.c
@@ -41,6 +41,7 @@
 #include <mach/board.h>
 #include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
+#include <mach/system_rev.h>
 
 #include "sam9_smc.h"
 #include "generic.h"
@@ -216,11 +217,6 @@ static struct atmel_nand_data __initdata eb_nand_data = {
 /*     .rdy_pin        = AT91_PIN_PC16, */
        .enable_pin     = AT91_PIN_PA15,
        .partition_info = nand_partitions,
-#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
-       .bus_width_16   = 1,
-#else
-       .bus_width_16   = 0,
-#endif
 };
 
 static struct sam9_smc_config __initdata eb_nand_smc_config = {
@@ -243,6 +239,7 @@ static struct sam9_smc_config __initdata eb_nand_smc_config = {
 
 static void __init eb_add_device_nand(void)
 {
+       ek_nand_data.bus_width_16 = !board_have_nand_8bit();
        /* setup bus-width (8 or 16) */
        if (eb_nand_data.bus_width_16)
                eb_nand_smc_config.mode |= AT91_SMC_DBW_16;

diff --git a/arch/arm/mach-at91/board-cap9adk.c b/arch/arm/mach-at91/board-cap9adk.c
index e7274440ead99f8970e2abc801d2d752dced6d90..96010d4e15af182f72fccaf6e6329c0e969eae0f 100644 (file)
--- a/arch/arm/mach-at91/board-cap9adk.c
+++ b/arch/arm/mach-at91/board-cap9adk.c
@@ -44,6 +44,7 @@
 #include <mach/gpio.h>
 #include <mach/at91cap9_matrix.h>
 #include <mach/at91sam9_smc.h>
+#include <mach/system_rev.h>
 
 #include "sam9_smc.h"
 #include "generic.h"
@@ -187,11 +188,6 @@ static struct atmel_nand_data __initdata cap9adk_nand_data = {
 //     .rdy_pin        = ... not connected
        .enable_pin     = AT91_PIN_PD15,
        .partition_info = nand_partitions,
-#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
-       .bus_width_16   = 1,
-#else
-       .bus_width_16   = 0,
-#endif
 };
 
 static struct sam9_smc_config __initdata cap9adk_nand_smc_config = {
@@ -219,6 +215,7 @@ static void __init cap9adk_add_device_nand(void)
        csa = at91_sys_read(AT91_MATRIX_EBICSA);
        at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_VDDIOMSEL_3_3V);
 
+       cap9adk_nand_data.bus_width_16 = !board_have_nand_8bit();
        /* setup bus-width (8 or 16) */
        if (cap9adk_nand_data.bus_width_16)
                cap9adk_nand_smc_config.mode |= AT91_SMC_DBW_16;

diff --git a/arch/arm/mach-at91/board-sam9260ek.c b/arch/arm/mach-at91/board-sam9260ek.c
index de1816e0e1d967c87825bf6c4de11c8370aaf057..fdfa144cbe769bc40e7469a4eb9527d184131f95 100644 (file)
--- a/arch/arm/mach-at91/board-sam9260ek.c
+++ b/arch/arm/mach-at91/board-sam9260ek.c
@@ -44,6 +44,7 @@
 #include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 #include <mach/at91_shdwc.h>
+#include <mach/system_rev.h>
 
 #include "sam9_smc.h"
 #include "generic.h"
@@ -191,11 +192,6 @@ static struct atmel_nand_data __initdata ek_nand_data = {
        .rdy_pin        = AT91_PIN_PC13,
        .enable_pin     = AT91_PIN_PC14,
        .partition_info = nand_partitions,
-#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
-       .bus_width_16   = 1,
-#else
-       .bus_width_16   = 0,
-#endif
 };
 
 static struct sam9_smc_config __initdata ek_nand_smc_config = {
@@ -218,6 +214,7 @@ static struct sam9_smc_config __initdata ek_nand_smc_config = {
 
 static void __init ek_add_device_nand(void)
 {
+       ek_nand_data.bus_width_16 = !board_have_nand_8bit();
        /* setup bus-width (8 or 16) */
        if (ek_nand_data.bus_width_16)
                ek_nand_smc_config.mode |= AT91_SMC_DBW_16;

diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c
index 14acc901e24cdd97ca4c939f5ae3bcfba189feff..c2773b5f2eeec5d6593298d206dda570753c2040 100644 (file)
--- a/arch/arm/mach-at91/board-sam9261ek.c
+++ b/arch/arm/mach-at91/board-sam9261ek.c
@@ -48,6 +48,7 @@
 #include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 #include <mach/at91_shdwc.h>
+#include <mach/system_rev.h>
 
 #include "sam9_smc.h"
 #include "generic.h"
@@ -197,11 +198,6 @@ static struct atmel_nand_data __initdata ek_nand_data = {
        .rdy_pin        = AT91_PIN_PC15,
        .enable_pin     = AT91_PIN_PC14,
        .partition_info = nand_partitions,
-#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
-       .bus_width_16   = 1,
-#else
-       .bus_width_16   = 0,
-#endif
 };
 
 static struct sam9_smc_config __initdata ek_nand_smc_config = {
@@ -224,6 +220,7 @@ static struct sam9_smc_config __initdata ek_nand_smc_config = {
 
 static void __init ek_add_device_nand(void)
 {
+       ek_nand_data.bus_width_16 = !board_have_nand_8bit();
        /* setup bus-width (8 or 16) */
        if (ek_nand_data.bus_width_16)
                ek_nand_smc_config.mode |= AT91_SMC_DBW_16;

diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index bfe490df58be9edf63ab20b001ccaf94c368ccd1..1dabc0ae56c93153a758263657a2e89b30ac19d8 100644 (file)
--- a/arch/arm/mach-at91/board-sam9263ek.c
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -47,6 +47,7 @@
 #include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 #include <mach/at91_shdwc.h>
+#include <mach/system_rev.h>
 
 #include "sam9_smc.h"
 #include "generic.h"
@@ -198,11 +199,6 @@ static struct atmel_nand_data __initdata ek_nand_data = {
        .rdy_pin        = AT91_PIN_PA22,
        .enable_pin     = AT91_PIN_PD15,
        .partition_info = nand_partitions,
-#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
-       .bus_width_16   = 1,
-#else
-       .bus_width_16   = 0,
-#endif
 };
 
 static struct sam9_smc_config __initdata ek_nand_smc_config = {
@@ -225,6 +221,7 @@ static struct sam9_smc_config __initdata ek_nand_smc_config = {
 
 static void __init ek_add_device_nand(void)
 {
+       ek_nand_data.bus_width_16 = !board_have_nand_8bit();
        /* setup bus-width (8 or 16) */
        if (ek_nand_data.bus_width_16)
                ek_nand_smc_config.mode |= AT91_SMC_DBW_16;

diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c
index ca8198b3c168bb8a333dc3d08102b082a73e66c4..d13acd5c92f218199b0317cbabcbc57a9859cd32 100644 (file)
--- a/arch/arm/mach-at91/board-sam9g20ek.c
+++ b/arch/arm/mach-at91/board-sam9g20ek.c
@@ -43,6 +43,7 @@
 #include <mach/board.h>
 #include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
+#include <mach/system_rev.h>
 
 #include "sam9_smc.h"
 #include "generic.h"
@@ -175,11 +176,6 @@ static struct atmel_nand_data __initdata ek_nand_data = {
        .rdy_pin        = AT91_PIN_PC13,
        .enable_pin     = AT91_PIN_PC14,
        .partition_info = nand_partitions,
-#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
-       .bus_width_16   = 1,
-#else
-       .bus_width_16   = 0,
-#endif
 };
 
 static struct sam9_smc_config __initdata ek_nand_smc_config = {
@@ -202,6 +198,7 @@ static struct sam9_smc_config __initdata ek_nand_smc_config = {
 
 static void __init ek_add_device_nand(void)
 {
+       ek_nand_data.bus_width_16 = !board_have_nand_8bit();
        /* setup bus-width (8 or 16) */
        if (ek_nand_data.bus_width_16)
                ek_nand_smc_config.mode |= AT91_SMC_DBW_16;

diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c
index 6c999dbd2bcfb20427387767dc5bdb623c48a489..49d6849f0ccb55db304f26bef4d9631d73bde2d9 100644 (file)
--- a/arch/arm/mach-at91/board-sam9m10g45ek.c
+++ b/arch/arm/mach-at91/board-sam9m10g45ek.c
@@ -41,6 +41,7 @@
 #include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 #include <mach/at91_shdwc.h>
+#include <mach/system_rev.h>
 
 #include "sam9_smc.h"
 #include "generic.h"
@@ -155,11 +156,6 @@ static struct atmel_nand_data __initdata ek_nand_data = {
        .rdy_pin        = AT91_PIN_PC8,
        .enable_pin     = AT91_PIN_PC14,
        .partition_info = nand_partitions,
-#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
-       .bus_width_16   = 1,
-#else
-       .bus_width_16   = 0,
-#endif
 };
 
 static struct sam9_smc_config __initdata ek_nand_smc_config = {
@@ -182,6 +178,7 @@ static struct sam9_smc_config __initdata ek_nand_smc_config = {
 
 static void __init ek_add_device_nand(void)
 {
+       ek_nand_data.bus_width_16 = !board_have_nand_8bit();
        /* setup bus-width (8 or 16) */
        if (ek_nand_data.bus_width_16)
                ek_nand_smc_config.mode |= AT91_SMC_DBW_16;

diff --git a/arch/arm/mach-at91/include/mach/system_rev.h b/arch/arm/mach-at91/include/mach/system_rev.h
new file mode 100644 (file)
index 0000000..b855ee7
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/system_rev.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * Under GPLv2 only
+ */
+
+#ifndef __ARCH_SYSTEM_REV_H__
+#define __ARCH_SYSTEM_REV_H__
+
+/*
+ * board revision encoding
+ * mach specific
+ * the 16-31 bit are reserved for at91 generic information
+ *
+ * bit 31:
+ *     0 => nand 16 bit
+ *     1 => nand 8 bit
+ */
+#define BOARD_HAVE_NAND_8BIT   (1 << 31)
+static int inline board_have_nand_8bit(void)
+{
+       return system_rev & BOARD_HAVE_NAND_8BIT;
+}
+
+#endif /* __ARCH_SYSTEM_REV_H__ */