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Commit cd8dc7ae authored by Tomasz Figa's avatar Tomasz Figa Committed by Kukjin Kim
Browse files

ARM: SAMSUNG: Introduce SAMSUNG_ATAGS Kconfig entry 



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: default avatarTomasz Figa <t.figa@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent f8b1ac01

arch/arm/Kconfig

+6 −0
Original line number Diff line number Diff line
@@ -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)

arch/arm/plat-samsung/Kconfig

+21 −5
Original line number Diff line number Diff line
@@ -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

arch/arm/plat-samsung/Makefile

+3 −3
Original line number Diff line number Diff line
@@ -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