[v4,01/10] Kconfig: Separate AM33XX SOC config from target board config

Message ID 20160830190629.13956-2-afd@ti.com
State New
Headers show

Commit Message

Andrew F. Davis Aug. 30, 2016, 7:06 p.m.
The config option AM33XX is used in several boards and should be
defined as a stand-alone option for this SOC. We break this out
from target boards that use this SoC and common headers then enable
AM33XX on in all the boards that used these targets to eliminate any
functional change with this patch.

This is similar to what has already been done in
9de852642cae ("arm: Kconfig: Add support for AM43xx SoC specific Kconfig")
and is done for the same reasons.

Signed-off-by: Andrew F. Davis <afd@ti.com>

---
 arch/arm/Kconfig                           | 98 ++++--------------------------
 arch/arm/cpu/armv7/am33xx/Kconfig          | 86 ++++++++++++++++++++++++++
 configs/am335x_baltos_defconfig            |  1 +
 configs/am335x_boneblack_defconfig         |  1 +
 configs/am335x_boneblack_vboot_defconfig   |  1 +
 configs/am335x_evm_defconfig               |  1 +
 configs/am335x_evm_nor_defconfig           |  1 +
 configs/am335x_evm_norboot_defconfig       |  1 +
 configs/am335x_evm_spiboot_defconfig       |  1 +
 configs/am335x_evm_usbspl_defconfig        |  1 +
 configs/am335x_igep0033_defconfig          |  1 +
 configs/am335x_shc_defconfig               |  1 +
 configs/am335x_shc_ict_defconfig           |  1 +
 configs/am335x_shc_netboot_defconfig       |  1 +
 configs/am335x_shc_prompt_defconfig        |  1 +
 configs/am335x_shc_sdboot_defconfig        |  1 +
 configs/am335x_shc_sdboot_prompt_defconfig |  1 +
 configs/am335x_sl50_defconfig              |  1 +
 configs/birdland_bav335a_defconfig         |  1 +
 configs/birdland_bav335b_defconfig         |  1 +
 configs/cm_t335_defconfig                  |  1 +
 configs/pcm051_rev1_defconfig              |  1 +
 configs/pcm051_rev3_defconfig              |  1 +
 configs/pengwyn_defconfig                  |  1 +
 configs/pepper_defconfig                   |  1 +
 include/configs/ti_am335x_common.h         |  1 -
 26 files changed, 120 insertions(+), 88 deletions(-)

-- 
2.9.3

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Comments

Andrew F. Davis Aug. 31, 2016, 4:16 p.m. | #1
On 08/31/2016 11:06 AM, Hannes Schmelzer wrote:
> On 08/30/2016 09:06 PM, Andrew F. Davis wrote:

>> The config option AM33XX is used in several boards and should be

>> defined as a stand-alone option for this SOC. We break this out

>> from target boards that use this SoC and common headers then enable

>> AM33XX on in all the boards that used these targets to eliminate any

>> functional change with this patch.

>>

>> This is similar to what has already been done in

>> 9de852642cae ("arm: Kconfig: Add support for AM43xx SoC specific

>> Kconfig")

>> and is done for the same reasons.

>>

>> Signed-off-by: Andrew F. Davis <afd@ti.com>

>> ---

>>   arch/arm/Kconfig                           | 98

>> ++++--------------------------

>>   arch/arm/cpu/armv7/am33xx/Kconfig          | 86

>> ++++++++++++++++++++++++++

>>   configs/am335x_baltos_defconfig            |  1 +

>>   configs/am335x_boneblack_defconfig         |  1 +

>>   configs/am335x_boneblack_vboot_defconfig   |  1 +

>>   configs/am335x_evm_defconfig               |  1 +

>>   configs/am335x_evm_nor_defconfig           |  1 +

>>   configs/am335x_evm_norboot_defconfig       |  1 +

>>   configs/am335x_evm_spiboot_defconfig       |  1 +

>>   configs/am335x_evm_usbspl_defconfig        |  1 +

>>   configs/am335x_igep0033_defconfig          |  1 +

>>   configs/am335x_shc_defconfig               |  1 +

>>   configs/am335x_shc_ict_defconfig           |  1 +

>>   configs/am335x_shc_netboot_defconfig       |  1 +

>>   configs/am335x_shc_prompt_defconfig        |  1 +

>>   configs/am335x_shc_sdboot_defconfig        |  1 +

>>   configs/am335x_shc_sdboot_prompt_defconfig |  1 +

>>   configs/am335x_sl50_defconfig              |  1 +

>>   configs/birdland_bav335a_defconfig         |  1 +

>>   configs/birdland_bav335b_defconfig         |  1 +

>>   configs/cm_t335_defconfig                  |  1 +

>>   configs/pcm051_rev1_defconfig              |  1 +

>>   configs/pcm051_rev3_defconfig              |  1 +

>>   configs/pengwyn_defconfig                  |  1 +

>>   configs/pepper_defconfig                   |  1 +

>>   include/configs/ti_am335x_common.h         |  1 -

>>   26 files changed, 120 insertions(+), 88 deletions(-)

> Hi Andrew,

> 

> why is this "CONFIG_AM33XX" only done at related ti_am335x_common.h boards?

> 

> grep -r "#define CONFIG_AM33XX" *

> include/configs/bur_am335x_common.h:#define CONFIG_AM33XX

> include/configs/ti_am335x_common.h:#define CONFIG_AM33XX

> include/configs/siemens-am33x-common.h:#define CONFIG_AM33XX

> 

> I'm responsible for the bur_am335x_common.h related boards.

> 


My original intent was to start with just one board (am335x_evm), but it
has a common header config with all these other boards, so they were
converted too for consistency.

You should be able to convert your boards in a similar way and add them
to arch/arm/cpu/armv7/am33xx/Kconfig, or if you would like I can do that
for you in a different patch ( I don't want to add too much to this one,
it is already tested and I'm afraid to touch it to much :) ).

Thanks,
Andrew

> cheers,

> Hannes

> 

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Patch

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c871eaf..1d6ba37 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -341,38 +341,6 @@  config TARGET_BRPPT1
 	select CPU_V7
 	select SUPPORT_SPL
 
-config TARGET_CM_T335
-	bool "Support cm_t335"
-	select CPU_V7
-	select SUPPORT_SPL
-	select DM
-	select DM_SERIAL
-	select DM_GPIO
-
-config TARGET_PEPPER
-	bool "Support pepper"
-	select CPU_V7
-	select SUPPORT_SPL
-	select DM
-	select DM_SERIAL
-	select DM_GPIO
-
-config TARGET_AM335X_IGEP0033
-	bool "Support am335x_igep0033"
-	select CPU_V7
-	select SUPPORT_SPL
-	select DM
-	select DM_SERIAL
-	select DM_GPIO
-
-config TARGET_PCM051
-	bool "Support pcm051"
-	select CPU_V7
-	select SUPPORT_SPL
-	select DM
-	select DM_SERIAL
-	select DM_GPIO
-
 config TARGET_DRACO
 	bool "Support draco"
 	select CPU_V7
@@ -421,61 +389,6 @@  config TARGET_RUT
 	select DM_SERIAL
 	select DM_GPIO
 
-config TARGET_PENGWYN
-	bool "Support pengwyn"
-	select CPU_V7
-	select SUPPORT_SPL
-	select DM
-	select DM_SERIAL
-	select DM_GPIO
-
-config TARGET_AM335X_BALTOS
-	bool "Support am335x_baltos"
-	select CPU_V7
-	select SUPPORT_SPL
-	select DM
-	select DM_SERIAL
-	select DM_GPIO
-
-config TARGET_AM335X_EVM
-	bool "Support am335x_evm"
-	select CPU_V7
-	select SUPPORT_SPL
-	select DM
-	select DM_SERIAL
-	select DM_GPIO
-	select TI_I2C_BOARD_DETECT
-
-config TARGET_AM335X_SHC
-	bool "Support am335x based shc board from bosch"
-	select CPU_V7
-	select SUPPORT_SPL
-	select DM
-	select DM_SERIAL
-	select DM_GPIO
-
-config TARGET_AM335X_SL50
-	bool "Support am335x_sl50"
-	select CPU_V7
-	select SUPPORT_SPL
-	select DM
-	select DM_SERIAL
-
-config TARGET_BAV335X
-	bool "Support bav335x"
-	select CPU_V7
-	select SUPPORT_SPL
-	select DM
-	select DM_SERIAL
-	help
-	  The BAV335x OEM Network Processor integrates all the functions of an
-	  embedded network computer in a small, easy to use SODIMM module which
-	  incorporates the popular Texas Instruments Sitara 32bit ARM Coretex-A8
-	  processor, with fast DDR3 512MB SDRAM, 4GB of embedded MMC and a Gigabit
-	  ethernet with simple connection to external connectors.
-
-	  For more information, visit: http://birdland.com/oem
-
 config TARGET_TI814X_EVM
 	bool "Support ti814x_evm"
 	select CPU_V7
@@ -605,6 +518,17 @@  config AM43XX
 	  protocols, dual camera support, optional 3D graphics
 	  and an optional customer programmable secure boot.
 
+config AM33XX
+	bool "AM33XX SoC"
+	select CPU_V7
+	select SUPPORT_SPL
+	help
+	  Support for AM335x SOC from Texas Instruments.
+	  The AM335x high performance SOC features a Cortex-A8
+	  ARM core, a dual core PRU-ICSS for industrial Ethernet
+	  protocols, optional 3D graphics and an optional customer
+	  programmable secure boot.
+
 config ARCH_RMOBILE
 	bool "Renesas ARM SoCs"
 	select DM
diff --git a/arch/arm/cpu/armv7/am33xx/Kconfig b/arch/arm/cpu/armv7/am33xx/Kconfig
index dc51e9b..e57e6fb 100644
--- a/arch/arm/cpu/armv7/am33xx/Kconfig
+++ b/arch/arm/cpu/armv7/am33xx/Kconfig
@@ -1,3 +1,87 @@ 
+if AM33XX
+
+choice
+	prompt "AM33xx board select"
+	optional
+
+config TARGET_AM335X_EVM
+	bool "Support am335x_evm"
+	select DM
+	select DM_SERIAL
+	select DM_GPIO
+	select TI_I2C_BOARD_DETECT
+	help
+	  This option specifies support for the AM335x
+	  GP and HS EVM development platforms. The AM335x
+	  GP EVM is a standalone test, development, and
+	  evaluation module system that enables developers
+	  to write software and develop hardware around
+	  an AM335x processor subsystem.
+
+config TARGET_AM335X_BALTOS
+	bool "Support am335x_baltos"
+	select DM
+	select DM_SERIAL
+	select DM_GPIO
+
+config TARGET_AM335X_IGEP0033
+	bool "Support am335x_igep0033"
+	select DM
+	select DM_SERIAL
+	select DM_GPIO
+
+config TARGET_AM335X_SHC
+	bool "Support am335x based shc board from bosch"
+	select DM
+	select DM_SERIAL
+	select DM_GPIO
+
+config TARGET_AM335X_SL50
+	bool "Support am335x_sl50"
+	select DM
+	select DM_SERIAL
+
+config TARGET_BAV335X
+	bool "Support bav335x"
+	select DM
+	select DM_SERIAL
+	help
+	  The BAV335x OEM Network Processor integrates all the functions of an
+	  embedded network computer in a small, easy to use SODIMM module which
+	  incorporates the popular Texas Instruments Sitara 32bit ARM Coretex-A8
+	  processor, with fast DDR3 512MB SDRAM, 4GB of embedded MMC and a Gigabit
+	  ethernet with simple connection to external connectors.
+
+	  For more information, visit: http://birdland.com/oem
+
+config TARGET_CM_T335
+	bool "Support cm_t335"
+	select DM
+	select DM_SERIAL
+	select DM_GPIO
+
+config TARGET_PCM051
+	bool "Support pcm051"
+	select DM
+	select DM_SERIAL
+	select DM_GPIO
+
+config TARGET_PENGWYN
+	bool "Support pengwyn"
+	select DM
+	select DM_SERIAL
+	select DM_GPIO
+
+config TARGET_PEPPER
+	bool "Support pepper"
+	select DM
+	select DM_SERIAL
+	select DM_GPIO
+
+endchoice
+
+endif
+
 if AM43XX
 config TARGET_AM43XX_EVM
 	bool "Support am43xx_evm"
@@ -9,7 +93,9 @@  config TARGET_AM43XX_EVM
 	  evaluation module system that enables developers
 	  to write software and develop hardware around
 	  an AM43xx processor subsystem.
+endif
 
+if AM43XX || AM33XX
 config ISW_ENTRY_ADDR
 	hex "Address in memory or XIP flash of bootloader entry point"
 	help
diff --git a/configs/am335x_baltos_defconfig b/configs/am335x_baltos_defconfig
index 78f55cc..b6cfd07 100644
--- a/configs/am335x_baltos_defconfig
+++ b/configs/am335x_baltos_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_BALTOS=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_SPL=y
diff --git a/configs/am335x_boneblack_defconfig b/configs/am335x_boneblack_defconfig
index d310e0b..5fabff6 100644
--- a/configs/am335x_boneblack_defconfig
+++ b/configs/am335x_boneblack_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_EVM=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_SPL=y
diff --git a/configs/am335x_boneblack_vboot_defconfig b/configs/am335x_boneblack_vboot_defconfig
index c2f09cb..b47b51f 100644
--- a/configs/am335x_boneblack_vboot_defconfig
+++ b/configs/am335x_boneblack_vboot_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_EVM=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_DEFAULT_DEVICE_TREE="am335x-boneblack"
diff --git a/configs/am335x_evm_defconfig b/configs/am335x_evm_defconfig
index 6885230..b344bb7 100644
--- a/configs/am335x_evm_defconfig
+++ b/configs/am335x_evm_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_EVM=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_DEFAULT_DEVICE_TREE="am335x-evm"
diff --git a/configs/am335x_evm_nor_defconfig b/configs/am335x_evm_nor_defconfig
index 76a004e..e434dec 100644
--- a/configs/am335x_evm_nor_defconfig
+++ b/configs/am335x_evm_nor_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_EVM=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_NOR=y
diff --git a/configs/am335x_evm_norboot_defconfig b/configs/am335x_evm_norboot_defconfig
index 99fc555..063eea7 100644
--- a/configs/am335x_evm_norboot_defconfig
+++ b/configs/am335x_evm_norboot_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_EVM=y
 CONFIG_NOR=y
 CONFIG_NOR_BOOT=y
diff --git a/configs/am335x_evm_spiboot_defconfig b/configs/am335x_evm_spiboot_defconfig
index 2fe1a25..89f472d 100644
--- a/configs/am335x_evm_spiboot_defconfig
+++ b/configs/am335x_evm_spiboot_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_EVM=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_SPL=y
diff --git a/configs/am335x_evm_usbspl_defconfig b/configs/am335x_evm_usbspl_defconfig
index cba5e84..b689181 100644
--- a/configs/am335x_evm_usbspl_defconfig
+++ b/configs/am335x_evm_usbspl_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_EVM=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_SPL=y
diff --git a/configs/am335x_igep0033_defconfig b/configs/am335x_igep0033_defconfig
index d6022a3..33e0637 100644
--- a/configs/am335x_igep0033_defconfig
+++ b/configs/am335x_igep0033_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_IGEP0033=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_SPL=y
diff --git a/configs/am335x_shc_defconfig b/configs/am335x_shc_defconfig
index c83311f..04d1c91 100644
--- a/configs/am335x_shc_defconfig
+++ b/configs/am335x_shc_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_SHC=y
 CONFIG_SERIES=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
diff --git a/configs/am335x_shc_ict_defconfig b/configs/am335x_shc_ict_defconfig
index bfb56b2..999dc60 100644
--- a/configs/am335x_shc_ict_defconfig
+++ b/configs/am335x_shc_ict_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_SHC=y
 CONFIG_SHC_ICT=y
 CONFIG_SERIES=y
diff --git a/configs/am335x_shc_netboot_defconfig b/configs/am335x_shc_netboot_defconfig
index d16c5f0..a6eaf6b 100644
--- a/configs/am335x_shc_netboot_defconfig
+++ b/configs/am335x_shc_netboot_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_SHC=y
 CONFIG_SHC_NETBOOT=y
 CONFIG_SERIES=y
diff --git a/configs/am335x_shc_prompt_defconfig b/configs/am335x_shc_prompt_defconfig
index b9bc355..e174ba9 100644
--- a/configs/am335x_shc_prompt_defconfig
+++ b/configs/am335x_shc_prompt_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_SHC=y
 CONFIG_SERIES=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
diff --git a/configs/am335x_shc_sdboot_defconfig b/configs/am335x_shc_sdboot_defconfig
index b0e8eff..7b3974c 100644
--- a/configs/am335x_shc_sdboot_defconfig
+++ b/configs/am335x_shc_sdboot_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_SHC=y
 CONFIG_SHC_SDBOOT=y
 CONFIG_SERIES=y
diff --git a/configs/am335x_shc_sdboot_prompt_defconfig b/configs/am335x_shc_sdboot_prompt_defconfig
index b0e8eff..7b3974c 100644
--- a/configs/am335x_shc_sdboot_prompt_defconfig
+++ b/configs/am335x_shc_sdboot_prompt_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_SHC=y
 CONFIG_SHC_SDBOOT=y
 CONFIG_SERIES=y
diff --git a/configs/am335x_sl50_defconfig b/configs/am335x_sl50_defconfig
index 01c1eeb..87ea29e 100644
--- a/configs/am335x_sl50_defconfig
+++ b/configs/am335x_sl50_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_AM335X_SL50=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_SPL=y
diff --git a/configs/birdland_bav335a_defconfig b/configs/birdland_bav335a_defconfig
index bb5db5c..046260d 100644
--- a/configs/birdland_bav335a_defconfig
+++ b/configs/birdland_bav335a_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_BAV335X=y
 CONFIG_BAV_VERSION=1
 CONFIG_SPL=y
diff --git a/configs/birdland_bav335b_defconfig b/configs/birdland_bav335b_defconfig
index 39cc222..38a27ad 100644
--- a/configs/birdland_bav335b_defconfig
+++ b/configs/birdland_bav335b_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_BAV335X=y
 CONFIG_BAV_VERSION=2
 CONFIG_SPL=y
diff --git a/configs/cm_t335_defconfig b/configs/cm_t335_defconfig
index 1b29331..c89a723 100644
--- a/configs/cm_t335_defconfig
+++ b/configs/cm_t335_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_CM_T335=y
 CONFIG_SPL=y
 CONFIG_HUSH_PARSER=y
diff --git a/configs/pcm051_rev1_defconfig b/configs/pcm051_rev1_defconfig
index 27f681f..41cb1cd 100644
--- a/configs/pcm051_rev1_defconfig
+++ b/configs/pcm051_rev1_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_PCM051=y
 CONFIG_SPL=y
 CONFIG_SYS_EXTRA_OPTIONS="REV1"
diff --git a/configs/pcm051_rev3_defconfig b/configs/pcm051_rev3_defconfig
index b277b3a..3d1abd8 100644
--- a/configs/pcm051_rev3_defconfig
+++ b/configs/pcm051_rev3_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_PCM051=y
 CONFIG_SPL=y
 CONFIG_SYS_EXTRA_OPTIONS="REV3"
diff --git a/configs/pengwyn_defconfig b/configs/pengwyn_defconfig
index 3eba3ce..2ddb858 100644
--- a/configs/pengwyn_defconfig
+++ b/configs/pengwyn_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_PENGWYN=y
 CONFIG_SPL=y
 CONFIG_HUSH_PARSER=y
diff --git a/configs/pepper_defconfig b/configs/pepper_defconfig
index 4a46f24..4114cdc 100644
--- a/configs/pepper_defconfig
+++ b/configs/pepper_defconfig
@@ -1,4 +1,5 @@ 
 CONFIG_ARM=y
+CONFIG_AM33XX=y
 CONFIG_TARGET_PEPPER=y
 CONFIG_SPL=y
 CONFIG_HUSH_PARSER=y
diff --git a/include/configs/ti_am335x_common.h b/include/configs/ti_am335x_common.h
index a9b10d0..349d410 100644
--- a/include/configs/ti_am335x_common.h
+++ b/include/configs/ti_am335x_common.h
@@ -12,7 +12,6 @@ 
 #ifndef __CONFIG_TI_AM335X_COMMON_H__
 #define __CONFIG_TI_AM335X_COMMON_H__
 
-#define CONFIG_AM33XX
 #define CONFIG_ARCH_CPU_INIT
 #define CONFIG_MAX_RAM_BANK_SIZE	(1024 << 20)	/* 1GB */
 #define CONFIG_SYS_TIMERBASE		0x48040000	/* Use Timer2 */