diff options
| -rw-r--r-- | arch/arc/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arc/Makefile | 1 | ||||
| -rw-r--r-- | arch/arc/configs/tb10x_defconfig | 117 | ||||
| -rw-r--r-- | arch/arc/include/asm/serial.h | 10 | ||||
| -rw-r--r-- | arch/arc/plat-tb10x/Kconfig | 36 | ||||
| -rw-r--r-- | arch/arc/plat-tb10x/Makefile | 21 | ||||
| -rw-r--r-- | arch/arc/plat-tb10x/tb10x.c | 71 |
7 files changed, 257 insertions, 0 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 34974e230bad..491ae7923b10 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -77,6 +77,7 @@ menu "ARC Architecture Configuration" menu "ARC Platform/SoC/Board" source "arch/arc/plat-arcfpga/Kconfig" +source "arch/arc/plat-tb10x/Kconfig" #New platform adds here endmenu diff --git a/arch/arc/Makefile b/arch/arc/Makefile index f30e0a168343..183397fd289e 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -91,6 +91,7 @@ core-y += arch/arc/ core-y += arch/arc/boot/dts/ core-$(CONFIG_ARC_PLAT_FPGA_LEGACY) += arch/arc/plat-arcfpga/ +core-$(CONFIG_ARC_PLAT_TB10X) += arch/arc/plat-tb10x/ drivers-$(CONFIG_OPROFILE) += arch/arc/oprofile/ diff --git a/arch/arc/configs/tb10x_defconfig b/arch/arc/configs/tb10x_defconfig new file mode 100644 index 000000000000..4fa5cd9f2202 --- /dev/null +++ b/arch/arc/configs/tb10x_defconfig @@ -0,0 +1,117 @@ +CONFIG_CROSS_COMPILE="arc-elf32-" +# CONFIG_LOCALVERSION_AUTO is not set +CONFIG_DEFAULT_HOSTNAME="tb10x" +CONFIG_SYSVIPC=y +CONFIG_POSIX_MQUEUE=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_BSD_PROCESS_ACCT=y +CONFIG_BSD_PROCESS_ACCT_V3=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=16 +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="../tb10x-rootfs.cpio" +CONFIG_INITRAMFS_ROOT_UID=2100 +CONFIG_INITRAMFS_ROOT_GID=501 +# CONFIG_RD_GZIP is not set +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS_ALL=y +# CONFIG_AIO is not set +CONFIG_EMBEDDED=y +# CONFIG_COMPAT_BRK is not set +CONFIG_SLAB=y +CONFIG_MODULES=y +CONFIG_MODULE_FORCE_LOAD=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_BLOCK is not set +CONFIG_ARC_PLAT_TB10X=y +CONFIG_ARC_CACHE_LINE_SHIFT=5 +# CONFIG_ARC_HAS_RTSC is not set +CONFIG_ARC_STACK_NONEXEC=y +CONFIG_HZ=250 +CONFIG_ARC_BUILTIN_DTB_NAME="abilis_tb100_dvk" +CONFIG_PREEMPT_VOLUNTARY=y +# CONFIG_COMPACTION is not set +# CONFIG_CROSS_MEMORY_ATTACH is not set +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_INET=y +CONFIG_IP_MULTICAST=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_FIRMWARE_IN_KERNEL is not set +CONFIG_PROC_DEVICETREE=y +CONFIG_NETDEVICES=y +# CONFIG_NET_CADENCE is not set +# CONFIG_NET_VENDOR_BROADCOM is not set +# CONFIG_NET_VENDOR_INTEL is not set +# CONFIG_NET_VENDOR_MARVELL is not set +# CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SEEQ is not set +CONFIG_STMMAC_ETH=y +CONFIG_STMMAC_DEBUG_FS=y +CONFIG_STMMAC_DA=y +CONFIG_STMMAC_CHAINED=y +# 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_DEVPTS_MULTIPLE_INSTANCES=y +# CONFIG_LEGACY_PTYS is not set +# CONFIG_DEVKMEM is not set +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_NR_UARTS=1 +CONFIG_SERIAL_8250_RUNTIME_UARTS=1 +CONFIG_SERIAL_8250_DW=y +# CONFIG_HW_RANDOM is not set +CONFIG_I2C=y +# CONFIG_I2C_COMPAT is not set +CONFIG_I2C_DESIGNWARE_PLATFORM=y +CONFIG_GPIO_SYSFS=y +# CONFIG_HWMON is not set +# CONFIG_USB_SUPPORT is not set +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y +CONFIG_LEDS_GPIO=y +CONFIG_LEDS_TRIGGERS=y +CONFIG_LEDS_TRIGGER_TIMER=y +CONFIG_LEDS_TRIGGER_ONESHOT=y +CONFIG_LEDS_TRIGGER_HEARTBEAT=y +CONFIG_LEDS_TRIGGER_CPU=y +CONFIG_LEDS_TRIGGER_GPIO=y +CONFIG_LEDS_TRIGGER_DEFAULT_ON=y +CONFIG_LEDS_TRIGGER_TRANSIENT=y +CONFIG_DMADEVICES=y +CONFIG_DW_DMAC=y +CONFIG_NET_DMA=y +CONFIG_ASYNC_TX_DMA=y +# CONFIG_IOMMU_SUPPORT is not set +# CONFIG_DNOTIFY is not set +CONFIG_PROC_KCORE=y +CONFIG_TMPFS=y +CONFIG_CONFIGFS_FS=y +# CONFIG_MISC_FILESYSTEMS is not set +# CONFIG_NETWORK_FILESYSTEMS is not set +# CONFIG_ENABLE_WARN_DEPRECATED is not set +CONFIG_MAGIC_SYSRQ=y +CONFIG_STRIP_ASM_SYMS=y +CONFIG_DEBUG_FS=y +CONFIG_HEADERS_CHECK=y +CONFIG_DEBUG_SECTION_MISMATCH=y +CONFIG_DETECT_HUNG_TASK=y +CONFIG_SCHEDSTATS=y +CONFIG_TIMER_STATS=y +CONFIG_DEBUG_INFO=y +CONFIG_DEBUG_MEMORY_INIT=y +CONFIG_DEBUG_STACKOVERFLOW=y +# CONFIG_CRYPTO_ANSI_CPRNG is not set +# CONFIG_CRYPTO_HW is not set diff --git a/arch/arc/include/asm/serial.h b/arch/arc/include/asm/serial.h index 4dff5a1e4128..602b0970a764 100644 --- a/arch/arc/include/asm/serial.h +++ b/arch/arc/include/asm/serial.h @@ -22,4 +22,14 @@ #define BASE_BAUD (arc_get_core_freq() / 16) +/* + * This is definitely going to break early 8250 consoles on multi-platform + * images but hey, it won't add any code complexity for a debug feature of + * one broken driver. + */ +#ifdef CONFIG_ARC_PLAT_TB10X +#undef BASE_BAUD +#define BASE_BAUD (arc_get_core_freq() / 16 / 3) +#endif + #endif /* _ASM_ARC_SERIAL_H */ diff --git a/arch/arc/plat-tb10x/Kconfig b/arch/arc/plat-tb10x/Kconfig new file mode 100644 index 000000000000..4e121272c4e5 --- /dev/null +++ b/arch/arc/plat-tb10x/Kconfig @@ -0,0 +1,36 @@ +# Abilis Systems TB10x platform kernel configuration file +# +# Author: Christian Ruppert <christian.ruppert@abilis.com> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + +menuconfig ARC_PLAT_TB10X + bool "Abilis TB10x" + select COMMON_CLK + select PINCTRL + select PINMUX + select ARCH_REQUIRE_GPIOLIB + help + Support for platforms based on the TB10x home media gateway SOC by + Abilis Systems. TB10x is based on the ARC700 CPU architecture. + Say Y if you are building a kernel for one of the SOCs in this + series (e.g. TB100 or TB101). If in doubt say N. + +if ARC_PLAT_TB10X + +config GENERIC_GPIO + def_bool y + +endif diff --git a/arch/arc/plat-tb10x/Makefile b/arch/arc/plat-tb10x/Makefile new file mode 100644 index 000000000000..89611d25ef35 --- /dev/null +++ b/arch/arc/plat-tb10x/Makefile @@ -0,0 +1,21 @@ +# Abilis Systems TB10x platform Makefile +# +# Author: Christian Ruppert <christian.ruppert@abilis.com> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + +KBUILD_CFLAGS += -Iarch/arc/plat-tb10x/include + +obj-y += tb10x.o diff --git a/arch/arc/plat-tb10x/tb10x.c b/arch/arc/plat-tb10x/tb10x.c new file mode 100644 index 000000000000..d3567691c7e1 --- /dev/null +++ b/arch/arc/plat-tb10x/tb10x.c @@ -0,0 +1,71 @@ +/* + * Abilis Systems TB10x platform initialisation + * + * Copyright (C) Abilis Systems 2012 + * + * Author: Christian Ruppert <christian.ruppert@abilis.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + +#include <linux/init.h> +#include <linux/of_platform.h> +#include <linux/clk-provider.h> +#include <linux/pinctrl/consumer.h> + +#include <asm/mach_desc.h> + + +static void __init tb10x_platform_init(void) +{ + of_clk_init(NULL); + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); +} + +static void __init tb10x_platform_late_init(void) +{ + struct device_node *dn; + + /* + * Pinctrl documentation recommends setting up the iomux here for + * all modules which don't require control over the pins themselves. + * Modules which need this kind of assistance are compatible with + * "abilis,simple-pinctrl", i.e. we can easily iterate over them. + * TODO: Does this recommended method work cleanly with pins required + * by modules? + */ + for_each_compatible_node(dn, NULL, "abilis,simple-pinctrl") { + struct platform_device *pd = of_find_device_by_node(dn); + struct pinctrl *pctl; + + pctl = pinctrl_get_select(&pd->dev, "abilis,simple-default"); + if (IS_ERR(pctl)) { + int ret = PTR_ERR(pctl); + dev_err(&pd->dev, "Could not set up pinctrl: %d\n", + ret); + } + } +} + +static const char *tb10x_compat[] __initdata = { + "abilis,arc-tb10x", + NULL, +}; + +MACHINE_START(TB10x, "tb10x") + .dt_compat = tb10x_compat, + .init_machine = tb10x_platform_init, + .init_late = tb10x_platform_late_init, +MACHINE_END |
