Commit 6d85e2b0 authored by Uwe Kleine-König's avatar Uwe Kleine-König
Browse files

ARM: new platform for Energy Micro's EFM32 Cortex-M3 SoCs 



There are still some missing parts (e.g. board support, device trees),
but with these bits added on top of this patch I can successfully boot a
EFM32GG-DK3750 board that uses an EFM32GG990F1024.

Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
parent 319e2e3f

arch/arm/Kconfig

+21 −1
Original line number Diff line number Diff line
@@ -410,6 +410,26 @@ config ARCH_EBSA110 
	  Ethernet interface, two PCMCIA sockets, two serial ports and a

	  parallel port.



config ARCH_EFM32

	bool "Energy Micro efm32"

	depends on !MMU

	select ARCH_REQUIRE_GPIOLIB

	select ARM_NVIC

	# CLKSRC_MMIO is wrong here, but needed until a proper fix is merged,

	# i.e. CLKSRC_EFM32 selecting CLKSRC_MMIO

	select CLKSRC_MMIO

	select CLKSRC_OF

	select COMMON_CLK

	select CPU_V7M

	select GENERIC_CLOCKEVENTS

	select NO_DMA

	select NO_IOPORT

	select SPARSE_IRQ

	select USE_OF

	help

	  Support for Energy Micro's (now Silicon Labs) efm32 Giant Gecko

	  processors.



config ARCH_EP93XX

	bool "EP93xx-based"

	select ARCH_HAS_HOLES_MEMORYMODEL
@@ -1799,7 +1819,7 @@ config FORCE_MAX_ZONEORDER 
	int "Maximum zone order" if ARCH_SHMOBILE

	range 11 64 if ARCH_SHMOBILE

	default "12" if SOC_AM33XX

	default "9" if SA1111

	default "9" if SA1111 || ARCH_EFM32

	default "11"

	help

	  The kernel memory allocator divides physically contiguous memory

arch/arm/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -153,6 +153,7 @@ machine-$(CONFIG_ARCH_CNS3XXX) += cns3xxx 
machine-$(CONFIG_ARCH_DAVINCI)		+= davinci

machine-$(CONFIG_ARCH_DOVE)		+= dove

machine-$(CONFIG_ARCH_EBSA110)		+= ebsa110

machine-$(CONFIG_ARCH_EFM32)		+= efm32

machine-$(CONFIG_ARCH_EP93XX)		+= ep93xx

machine-$(CONFIG_ARCH_EXYNOS)		+= exynos

machine-$(CONFIG_ARCH_GEMINI)		+= gemini

arch/arm/configs/efm32_defconfig

0 → 100644
+102 −0
Original line number Diff line number Diff line 
CONFIG_HIGH_RES_TIMERS=y

CONFIG_LOG_BUF_SHIFT=12

CONFIG_CC_OPTIMIZE_FOR_SIZE=y

# CONFIG_UID16 is not set

# CONFIG_BASE_FULL is not set

# CONFIG_FUTEX is not set

# CONFIG_EPOLL is not set

# CONFIG_SIGNALFD is not set

# CONFIG_EVENTFD is not set

# CONFIG_AIO is not set

CONFIG_EMBEDDED=y

# CONFIG_VM_EVENT_COUNTERS is not set

# CONFIG_SLUB_DEBUG is not set

# CONFIG_LBDAF is not set

# CONFIG_BLK_DEV_BSG is not set

# CONFIG_IOSCHED_DEADLINE is not set

# CONFIG_IOSCHED_CFQ is not set

# CONFIG_MMU is not set

CONFIG_ARCH_EFM32=y

# CONFIG_KUSER_HELPERS is not set

CONFIG_SET_MEM_PARAM=y

CONFIG_DRAM_BASE=0x88000000

CONFIG_DRAM_SIZE=0x00400000

CONFIG_FLASH_MEM_BASE=0x8c000000

CONFIG_FLASH_SIZE=0x01000000

CONFIG_PREEMPT=y

CONFIG_ZBOOT_ROM_TEXT=0x0

CONFIG_ZBOOT_ROM_BSS=0x0

CONFIG_XIP_KERNEL=y

CONFIG_XIP_PHYS_ADDR=0x8c000000

CONFIG_BINFMT_FLAT=y

CONFIG_BINFMT_SHARED_FLAT=y

# CONFIG_COREDUMP is not set

CONFIG_NET=y

CONFIG_PACKET=y

CONFIG_UNIX=y

CONFIG_INET=y

# CONFIG_INET_XFRM_MODE_TRANSPORT is not set

# CONFIG_INET_XFRM_MODE_TUNNEL is not set

# CONFIG_INET_XFRM_MODE_BEET is not set

# CONFIG_INET_LRO is not set

# CONFIG_INET_DIAG is not set

# CONFIG_IPV6 is not set

# CONFIG_WIRELESS is not set

CONFIG_DEVTMPFS=y

CONFIG_DEVTMPFS_MOUNT=y

# CONFIG_FW_LOADER is not set

CONFIG_MTD=y

CONFIG_MTD_BLOCK_RO=y

CONFIG_MTD_ROM=y

CONFIG_MTD_UCLINUX=y

CONFIG_PROC_DEVICETREE=y

# CONFIG_BLK_DEV is not set

CONFIG_NETDEVICES=y

# CONFIG_NET_VENDOR_ARC is not set

# CONFIG_NET_CADENCE is not set

# CONFIG_NET_VENDOR_BROADCOM is not set

# CONFIG_NET_VENDOR_CIRRUS is not set

# CONFIG_NET_VENDOR_FARADAY is not set

# CONFIG_NET_VENDOR_INTEL is not set

# CONFIG_NET_VENDOR_MARVELL is not set

CONFIG_KS8851=y

# CONFIG_NET_VENDOR_MICROCHIP is not set

# CONFIG_NET_VENDOR_NATSEMI is not set

# CONFIG_NET_VENDOR_SEEQ is not set

# CONFIG_NET_VENDOR_SMSC is not set

# CONFIG_NET_VENDOR_STMICRO is not set

# CONFIG_NET_VENDOR_VIA is not set

# CONFIG_NET_VENDOR_WIZNET is not set

# CONFIG_WLAN is not set

# CONFIG_INPUT is not set

# CONFIG_SERIO is not set

# CONFIG_VT is not set

# CONFIG_UNIX98_PTYS is not set

# CONFIG_LEGACY_PTYS is not set

CONFIG_SERIAL_NONSTANDARD=y

# CONFIG_DEVKMEM is not set

CONFIG_SERIAL_EFM32_UART=y

CONFIG_SERIAL_EFM32_UART_CONSOLE=y

# CONFIG_HW_RANDOM is not set

CONFIG_SPI=y

CONFIG_SPI_EFM32=y

CONFIG_GPIO_SYSFS=y

# CONFIG_USB_SUPPORT is not set

CONFIG_MMC=y

CONFIG_MMC_SPI=y

# CONFIG_IOMMU_SUPPORT is not set

CONFIG_EXT2_FS=y

# CONFIG_FILE_LOCKING is not set

# CONFIG_DNOTIFY is not set

# CONFIG_INOTIFY_USER is not set

CONFIG_ROMFS_FS=y

CONFIG_ROMFS_BACKED_BY_MTD=y

# CONFIG_NETWORK_FILESYSTEMS is not set

CONFIG_PRINTK_TIME=y

CONFIG_DEBUG_INFO=y

# CONFIG_ENABLE_WARN_DEPRECATED is not set

# CONFIG_ENABLE_MUST_CHECK is not set

CONFIG_MAGIC_SYSRQ=y

# CONFIG_SCHED_DEBUG is not set

# CONFIG_DEBUG_BUGVERBOSE is not set

# CONFIG_FTRACE is not set

arch/arm/mach-efm32/Makefile

0 → 100644
+1 −0
Original line number Diff line number Diff line 
obj-y += dtmachine.o

arch/arm/mach-efm32/Makefile.boot

0 → 100644
+3 −0
Original line number Diff line number Diff line 
# Empty file waiting for deletion once Makefile.boot isn't needed any more.

# Patch waits for application at

# http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7889/1 .

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