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at91: Kconfig simplification

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Instead of adding "depends on" at config level, introduce HAVE_* config
variables. Add them at machine or soc level to specify the ability of a
particular support.
It will ease new board introduction and readability.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2009-10-22 18:50:26 +02:00 committed by Nicolas Ferre
parent c4e4ab9f23
commit 2ef9f59a7a
1 changed files with 48 additions and 5 deletions
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53
arch/arm/mach-at91/Kconfig
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@ -1,5 +1,20 @@
if ARCH_AT91
config HAVE_AT91_DATAFLASH_CARD
bool
config HAVE_NAND_ATMEL_BUSWIDTH_16
bool
config HAVE_AT91_USART3
bool
config HAVE_AT91_USART4
bool
config HAVE_AT91_USART5
bool
menu "Atmel AT91 System-on-Chip"
choice
@ -10,12 +25,16 @@ config ARCH_AT91RM9200
select CPU_ARM920T
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
select HAVE_AT91_USART3
config ARCH_AT91SAM9260
bool "AT91SAM9260 or AT91SAM9XE"
select CPU_ARM926T
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
select HAVE_AT91_USART3
select HAVE_AT91_USART4
select HAVE_AT91_USART5
config ARCH_AT91SAM9261
bool "AT91SAM9261"
@ -40,18 +59,23 @@ config ARCH_AT91SAM9RL
select CPU_ARM926T
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
select HAVE_AT91_USART3
config ARCH_AT91SAM9G20
bool "AT91SAM9G20"
select CPU_ARM926T
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
select HAVE_AT91_USART3
select HAVE_AT91_USART4
select HAVE_AT91_USART5
config ARCH_AT91SAM9G45
bool "AT91SAM9G45"
select CPU_ARM926T
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
select HAVE_AT91_USART3
config ARCH_AT91CAP9
bool "AT91CAP9"
@ -82,12 +106,14 @@ config MACH_ONEARM
config ARCH_AT91RM9200DK
bool "Atmel AT91RM9200-DK Development board"
select HAVE_AT91_DATAFLASH_CARD
help
Select this if you are using Atmel's AT91RM9200-DK Development board.
(Discontinued)
config MACH_AT91RM9200EK
bool "Atmel AT91RM9200-EK Evaluation Kit"
select HAVE_AT91_DATAFLASH_CARD
help
Select this if you are using Atmel's AT91RM9200-EK Evaluation Kit.
<http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3507>
@ -135,6 +161,7 @@ config MACH_KAFA
config MACH_ECBAT91
bool "emQbit ECB_AT91 SBC"
select HAVE_AT91_DATAFLASH_CARD
help
Select this if you are using emQbit's ECB_AT91 board.
<http://wiki.emqbit.com/free-ecb-at91>
@ -168,6 +195,8 @@ 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>
@ -180,6 +209,7 @@ config MACH_CAM60
config MACH_SAM9_L9260
bool "Olimex SAM9-L9260 board"
select HAVE_AT91_DATAFLASH_CARD
help
Select this if you are using Olimex's SAM9-L9260 board based on the Atmel AT91SAM9260.
<http://www.olimex.com/dev/sam9-L9260.html>
@ -220,6 +250,8 @@ 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>
@ -234,6 +266,8 @@ 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>
@ -248,6 +282,8 @@ 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>
@ -260,6 +296,7 @@ config MACH_USB_A9263
config MACH_NEOCORE926
bool "Adeneo NEOCORE926"
select HAVE_AT91_DATAFLASH_CARD
help
Select this if you are using the Adeneo Neocore 926 board.
@ -286,12 +323,15 @@ 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.
config MACH_AT91SAM9G20EK_2MMC
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
@ -313,6 +353,7 @@ comment "AT91SAM9G45 Board Type"
config MACH_AT91SAM9G45EKES
bool "Atmel AT91SAM9G45-EKES Evaluation Kit"
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
@ -328,6 +369,8 @@ 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>
@ -356,13 +399,13 @@ comment "AT91 Board Options"
config MTD_AT91_DATAFLASH_CARD
bool "Enable DataFlash Card support"
depends on (ARCH_AT91RM9200DK || MACH_AT91RM9200EK || MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9G10EK || MACH_AT91SAM9263EK || MACH_AT91SAM9G20EK || MACH_ECBAT91 || MACH_SAM9_L9260 || MACH_AT91CAP9ADK || MACH_NEOCORE926)
depends on HAVE_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 (MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9G10EK || MACH_AT91SAM9263EK || MACH_AT91SAM9G20EK || MACH_AT91SAM9G20EK_2MMC || MACH_AT91SAM9G45EKES || MACH_AT91CAP9ADK)
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).
@ -424,15 +467,15 @@ config AT91_EARLY_USART2
config AT91_EARLY_USART3
bool "USART3"
depends on (ARCH_AT91RM9200 || ARCH_AT91SAM9RL || ARCH_AT91SAM9260 || ARCH_AT91SAM9G20 || ARCH_AT91SAM9G45)
depends on HAVE_AT91_USART3
config AT91_EARLY_USART4
bool "USART4"
depends on ARCH_AT91SAM9260 || ARCH_AT91SAM9G20
depends on HAVE_AT91_USART4
config AT91_EARLY_USART5
bool "USART5"
depends on ARCH_AT91SAM9260 || ARCH_AT91SAM9G20
depends on HAVE_AT91_USART5
endchoice