ARM: at91: switch to multiplatform

Switch AT91 to multiplatform as all SoCs are properly handled.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

3 files changed, 54 insertions, 82 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f6c5b05e8de8..a1d153098001 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -356,19 +356,6 @@ config ARCH_VERSATILE
         help
           This enables support for ARM Ltd Versatile board.
 
-config ARCH_AT91
-        bool "Atmel AT91"
-        select ARCH_REQUIRE_GPIOLIB
-        select CLKDEV_LOOKUP
-        select IRQ_DOMAIN
-        select PINCTRL
-        select PINCTRL_AT91
-        select SOC_BUS
-        select USE_OF
-        help
-          This enables support for systems based on Atmel
-          AT91RM9200, AT91SAM9 and SAMA5 processors.
-
 config ARCH_CLPS711X
         bool "Cirrus Logic CLPS711x/EP721x/EP731x-based"
         select ARCH_REQUIRE_GPIOLIB
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 24b59c75f6af..9416613c8eca 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -1,55 +1,14 @@
-if ARCH_AT91
-
-config HAVE_AT91_UTMI
-        bool
-
-config HAVE_AT91_USB_CLK
-        bool
-
-config COMMON_CLK_AT91
-        bool
-        select COMMON_CLK
-
-config HAVE_AT91_SMD
-        bool
-
-config HAVE_AT91_H32MX
-        bool
-
-config SOC_SAMA5
-        bool
-        select ATMEL_AIC5_IRQ
+menuconfig ARCH_AT91
+        bool "Atmel SoCs"
+        select ARCH_REQUIRE_GPIOLIB
         select COMMON_CLK_AT91
-        select CPU_V7
-        select GENERIC_CLOCKEVENTS
-        select MEMORY
-        select ATMEL_SDRAMC
-        select SRAM if PM
-
-menu "Atmel AT91 System-on-Chip"
-
-choice
-
-        prompt "Core type"
+        select PINCTRL
+        select PINCTRL_AT91
+        select SOC_BUS
 
-config SOC_SAM_V4_V5
-        bool "ARM9 AT91SAM9/AT91RM9200"
-        help
-          Select this if you are using one of Atmel's AT91SAM9 or
-          AT91RM9200 SoC.
-
-config SOC_SAM_V7
-        bool "Cortex A5"
-        help
-          Select this if you are using one of Atmel's SAMA5D3 SoC.
-
-endchoice
-
-comment "Atmel AT91 Processor"
-
-if SOC_SAM_V7
+if ARCH_AT91
 config SOC_SAMA5D3
-        bool "SAMA5D3 family"
+        bool "SAMA5D3 family" if ARCH_MULTI_V7
         select SOC_SAMA5
         select HAVE_FB_ATMEL
         select HAVE_AT91_UTMI
@@ -60,9 +19,8 @@ config SOC_SAMA5D3
           This support covers SAMA5D31, SAMA5D33, SAMA5D34, SAMA5D35, SAMA5D36.
 
 config SOC_SAMA5D4
-        bool "SAMA5D4 family"
+        bool "SAMA5D4 family" if ARCH_MULTI_V7
         select SOC_SAMA5
-        select CLKSRC_MMIO
         select CACHE_L2X0
         select HAVE_FB_ATMEL
         select HAVE_AT91_UTMI
@@ -71,32 +29,30 @@ config SOC_SAMA5D4
         select HAVE_AT91_H32MX
         help
           Select this if you are using one of Atmel's SAMA5D4 family SoC.
-endif
 
-if SOC_SAM_V4_V5
 config SOC_AT91RM9200
-        bool "AT91RM9200"
+        bool "AT91RM9200" if ARCH_MULTI_V4T
         select ATMEL_AIC_IRQ
         select ATMEL_ST
-        select COMMON_CLK_AT91
         select CPU_ARM920T
-        select GENERIC_CLOCKEVENTS
         select HAVE_AT91_USB_CLK
         select MIGHT_HAVE_PCI
+        select SOC_SAM_V4_V5
         select SRAM if PM
+        help
+          Select this if you are using Atmel's AT91RM9200 SoC.
 
 config SOC_AT91SAM9
-        bool "AT91SAM9"
+        bool "AT91SAM9" if ARCH_MULTI_V5
         select ATMEL_AIC_IRQ
         select ATMEL_SDRAMC
-        select COMMON_CLK_AT91
         select CPU_ARM926T
-        select GENERIC_CLOCKEVENTS
         select HAVE_AT91_SMD
         select HAVE_AT91_USB_CLK
         select HAVE_AT91_UTMI
         select HAVE_FB_ATMEL
         select MEMORY
+        select SOC_SAM_V4_V5
         select SRAM if PM
         help
           Select this if you are using one of those Atmel SoC:
@@ -116,17 +72,46 @@ config SOC_AT91SAM9
             AT91SAM9X25
             AT91SAM9X35
             AT91SAM9XE
-endif # SOC_SAM_V4_V5
 
-comment "AT91 Feature Selections"
+config HAVE_AT91_UTMI
+        bool
+
+config HAVE_AT91_USB_CLK
+        bool
+
+config COMMON_CLK_AT91
+        bool
+        select COMMON_CLK
+
+config HAVE_AT91_SMD
+        bool
+
+config HAVE_AT91_H32MX
+        bool
+
+config SOC_SAM_V4_V5
+        bool
+
+config SOC_SAM_V7
+        bool
+
+config SOC_SAMA5
+        bool
+        select ATMEL_AIC5_IRQ
+        select ATMEL_SDRAMC
+        select MEMORY
+        select SOC_SAM_V7
+        select SRAM if PM
+
+comment "Atmel SoCs Feature Selections"
 
 config AT91_TIMER_HZ
-       int "Kernel HZ (jiffies per second)"
-       range 32 1024
-       depends on ARCH_AT91
-       default "128" if SOC_AT91RM9200
-       default "100"
-       help
+        int "Kernel HZ (jiffies per second)"
+        range 32 1024
+        depends on ARCH_AT91
+        default "128" if SOC_AT91RM9200
+        default "100"
+        help
           On AT91rm9200 chips where you're using a system clock derived
           from the 32768 Hz hardware clock, this tick rate should divide
           it exactly: use a power-of-two value, such as 128 or 256, to
@@ -136,6 +121,4 @@ config AT91_TIMER_HZ
           system clock (of at least several MHz), rounding is less of a
           problem so it can be safer to use a decimal values like 100.
 
-endmenu
-
 endif
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 38aaef7b994e..06a4cefd33a0 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -1,6 +1,8 @@
 #
 # Makefile for the linux kernel.
 #
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include
+asflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include
 
 obj-y           := soc.o