From patchwork Mon Nov 4 11:00:53 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 288158 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:770:15f::2]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 268D02C007C for ; Mon, 4 Nov 2013 22:03:27 +1100 (EST) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VdHv9-0007F5-Lb; Mon, 04 Nov 2013 11:02:12 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VdHuy-0007zw-LA; Mon, 04 Nov 2013 11:02:00 +0000 Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VdHuf-0007wt-5z for linux-arm-kernel@lists.infradead.org; Mon, 04 Nov 2013 11:01:44 +0000 Received: from ukl by metis.ext.pengutronix.de with local (Exim 4.72) (envelope-from ) id 1VdHuJ-0000w8-SF; Mon, 04 Nov 2013 12:01:21 +0100 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= To: linux-arm-kernel@lists.infradead.org Date: Mon, 4 Nov 2013 12:00:53 +0100 Message-Id: <1383562853-17202-4-git-send-email-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 1.8.4.rc3 In-Reply-To: <20131104105836.GI14892@pengutronix.de> References: <20131104105836.GI14892@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: ukl@pengutronix.de X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on metis.extern.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-1.9 required=4.0 tests=BAYES_00,NO_RELAYS shortcircuit=no autolearn=ham version=3.3.2 Subject: [PATCH v4 4/4] ARM: new platform for Energy Micro's EFM32 Cortex-M3 SoCs X-SA-Exim-Version: 4.2.1 (built Mon, 22 Mar 2010 06:51:10 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131104_060141_612951_C7BF6900 X-CRM114-Status: GOOD ( 17.02 ) X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Olof Johansson , Arnd Bergmann , kernel@pengutronix.de, Jonathan Austin X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org List-Id: linux-imx-kernel.lists.patchwork.ozlabs.org Signed-off-by: Uwe Kleine-König --- arch/arm/Kconfig | 19 +++++++- arch/arm/Makefile | 1 + arch/arm/configs/efm32_defconfig | 102 +++++++++++++++++++++++++++++++++++++++ arch/arm/mach-efm32/Makefile | 1 + arch/arm/mach-efm32/dtmachine.c | 15 ++++++ 5 files changed, 137 insertions(+), 1 deletion(-) create mode 100644 arch/arm/configs/efm32_defconfig create mode 100644 arch/arm/mach-efm32/Makefile create mode 100644 arch/arm/mach-efm32/dtmachine.c diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 7ae0615..d8145fe 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -413,6 +413,23 @@ 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 + 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 processors. + config ARCH_EP93XX bool "EP93xx-based" select ARCH_HAS_HOLES_MEMORYMODEL @@ -1812,7 +1829,7 @@ 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 diff --git a/arch/arm/Makefile b/arch/arm/Makefile index a37a50f..bee8be4 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -152,6 +152,7 @@ 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 diff --git a/arch/arm/configs/efm32_defconfig b/arch/arm/configs/efm32_defconfig new file mode 100644 index 0000000..f59fffb --- /dev/null +++ b/arch/arm/configs/efm32_defconfig @@ -0,0 +1,102 @@ +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 diff --git a/arch/arm/mach-efm32/Makefile b/arch/arm/mach-efm32/Makefile new file mode 100644 index 0000000..3a74af7 --- /dev/null +++ b/arch/arm/mach-efm32/Makefile @@ -0,0 +1 @@ +obj-y += dtmachine.o diff --git a/arch/arm/mach-efm32/dtmachine.c b/arch/arm/mach-efm32/dtmachine.c new file mode 100644 index 0000000..2367495 --- /dev/null +++ b/arch/arm/mach-efm32/dtmachine.c @@ -0,0 +1,15 @@ +#include + +#include + +#include + +static const char *const efm32gg_compat[] __initconst = { + "efm32,dk3750", + NULL +}; + +DT_MACHINE_START(EFM32DT, "EFM32 (Device Tree Support)") + .dt_compat = efm32gg_compat, + .restart = armv7m_restart, +MACHINE_END