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ARM: SAMSUNG: Introduce SAMSUNG_ATAGS Kconfig entry

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This patch adds a Kconfig entry that enables compilation of legacy
support code required for Samsung platforms that require ATAGS based
boot.

This allows to bypass compilation of this code when platforms without
ATAGS support are selected.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Tomasz Figa 2013-06-15 09:01:49 +09:00 committed by Kukjin Kim
parent f8b1ac0145
commit cd8dc7ae41
3 changed files with 30 additions and 8 deletions
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6
arch/arm/Kconfig
View file

@ -702,6 +702,7 @@ config ARCH_S3C24XX
select MULTI_IRQ_HANDLER
select NEED_MACH_GPIO_H
select NEED_MACH_IO_H
select SAMSUNG_ATAGS
help
Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443
and S3C2450 SoCs based systems, such as the Simtec Electronics BAST
@ -726,6 +727,7 @@ config ARCH_S3C64XX
select PLAT_SAMSUNG
select S3C_DEV_NAND
select S3C_GPIO_TRACK
select SAMSUNG_ATAGS
select SAMSUNG_CLKSRC
select SAMSUNG_GPIOLIB_4BIT
select SAMSUNG_IRQ_VIC_TIMER
@ -744,6 +746,7 @@ config ARCH_S5P64X0
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select HAVE_S3C_RTC if RTC_CLASS
select NEED_MACH_GPIO_H
select SAMSUNG_ATAGS
help
Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440,
SMDK6450.
@ -760,6 +763,7 @@ config ARCH_S5PC100
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select HAVE_S3C_RTC if RTC_CLASS
select NEED_MACH_GPIO_H
select SAMSUNG_ATAGS
help
Samsung S5PC100 series based systems
@ -778,6 +782,7 @@ config ARCH_S5PV210
select HAVE_S3C_RTC if RTC_CLASS
select NEED_MACH_GPIO_H
select NEED_MACH_MEMORY_H
select SAMSUNG_ATAGS
help
Samsung S5PV210/S5PC110 series based systems
@ -796,6 +801,7 @@ config ARCH_EXYNOS
select HAVE_S3C_RTC if RTC_CLASS
select NEED_MACH_GPIO_H
select NEED_MACH_MEMORY_H
select SAMSUNG_ATAGS
select USE_OF
help
Support for SAMSUNG's EXYNOS SoCs (EXYNOS4/5)

26
arch/arm/plat-samsung/Kconfig
View file

@ -60,6 +60,20 @@ config S3C_LOWLEVEL_UART_PORT
this configuration should be between zero and two. The port
must have been initialised by the boot-loader before use.
config SAMSUNG_ATAGS
def_bool n
depends on !ARCH_MULTIPLATFORM
depends on ATAGS
help
This option enables ATAGS based boot support code for
Samsung platforms, including static platform devices, legacy
clock, timer and interrupt initialization, etc.
Platforms that support only DT based boot need not to select
this option.
if SAMSUNG_ATAGS
# timer options
config SAMSUNG_HRT
@ -367,11 +381,6 @@ config S5P_DEV_JPEG
help
Compile in platform device definitions for JPEG codec
config S5P_DEV_MFC
bool
help
Compile in setup memory (init) code for MFC
config S5P_DEV_ONENAND
bool
help
@ -412,6 +421,8 @@ config S3C_DMA
help
Internal configuration for S3C DMA core
endif
config SAMSUNG_DMADEV
bool
select ARM_AMBA
@ -421,6 +432,11 @@ config SAMSUNG_DMADEV
help
Use DMA device engine for PL330 DMAC.
config S5P_DEV_MFC
bool
help
Compile in setup memory (init) code for MFC
comment "Power management"
config SAMSUNG_PM_DEBUG

6
arch/arm/plat-samsung/Makefile
View file

@ -31,10 +31,10 @@ obj-$(CONFIG_S3C_ADC) += adc.o
# devices
obj-y += platformdata.o
obj-$(CONFIG_SAMSUNG_ATAGS) += platformdata.o
obj-y += devs.o
obj-y += dev-uart.o
obj-$(CONFIG_SAMSUNG_ATAGS) += devs.o
obj-$(CONFIG_SAMSUNG_ATAGS) += dev-uart.o
obj-$(CONFIG_S5P_DEV_MFC) += s5p-dev-mfc.o
obj-$(CONFIG_S5P_DEV_UART) += s5p-dev-uart.o