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Commit f82e939f authored by Johannes Weiner's avatar Johannes Weiner Committed by Chris Zankel
Browse files

xtensa: platform: s6105 



Support for the S6105 IP Camera Reference Design Kit.

Signed-off-by: default avatarJohannes Weiner <jw@emlix.com>
Signed-off-by: default avatarOskar Schirmer <os@emlix.com>
Signed-off-by: default avatarChris Zankel <chris@zankel.net>
parent 6770fa02

arch/xtensa/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -156,6 +156,10 @@ config XTENSA_PLATFORM_XT2000 
	  XT2000 is the name of Tensilica's feature-rich emulation platform.

	  This hardware is capable of running a full Linux distribution.



config XTENSA_PLATFORM_S6105

	bool "S6105"

	select SERIAL_CONSOLE



endchoice

arch/xtensa/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ export VARIANT 


platform-$(CONFIG_XTENSA_PLATFORM_XT2000)	:= xt2000

platform-$(CONFIG_XTENSA_PLATFORM_ISS)		:= iss

platform-$(CONFIG_XTENSA_PLATFORM_S6105)	:= s6105



PLATFORM = $(platform-y)

export PLATFORM

arch/xtensa/configs/s6105_defconfig

0 → 100644
+530 −0
Original line number Diff line number Diff line 
#

# Automatically generated make config: don't edit

# Linux kernel version: 2.6.29-rc7-s6

# Tue Mar 10 11:09:26 2009

#

# CONFIG_FRAME_POINTER is not set

CONFIG_ZONE_DMA=y

CONFIG_XTENSA=y

CONFIG_RWSEM_XCHGADD_ALGORITHM=y

CONFIG_GENERIC_FIND_NEXT_BIT=y

CONFIG_GENERIC_HWEIGHT=y

CONFIG_GENERIC_HARDIRQS=y

CONFIG_GENERIC_GPIO=y

# CONFIG_ARCH_HAS_ILOG2_U32 is not set

# CONFIG_ARCH_HAS_ILOG2_U64 is not set

CONFIG_NO_IOPORT=y

CONFIG_HZ=100

CONFIG_GENERIC_TIME=y

CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"



#

# General setup

#

CONFIG_EXPERIMENTAL=y

CONFIG_BROKEN_ON_SMP=y

CONFIG_LOCK_KERNEL=y

CONFIG_INIT_ENV_ARG_LIMIT=32

CONFIG_LOCALVERSION=""

CONFIG_LOCALVERSION_AUTO=y

CONFIG_SYSVIPC=y

CONFIG_SYSVIPC_SYSCTL=y

# CONFIG_POSIX_MQUEUE is not set

# CONFIG_BSD_PROCESS_ACCT is not set

# CONFIG_TASKSTATS is not set

# CONFIG_AUDIT is not set



#

# RCU Subsystem

#

# CONFIG_CLASSIC_RCU is not set

# CONFIG_TREE_RCU is not set

CONFIG_PREEMPT_RCU=y

# CONFIG_RCU_TRACE is not set

# CONFIG_TREE_RCU_TRACE is not set

# CONFIG_PREEMPT_RCU_TRACE is not set

CONFIG_IKCONFIG=y

CONFIG_IKCONFIG_PROC=y

CONFIG_LOG_BUF_SHIFT=16

# CONFIG_GROUP_SCHED is not set

# CONFIG_CGROUPS is not set

# CONFIG_SYSFS_DEPRECATED_V2 is not set

# CONFIG_RELAY is not set

# CONFIG_NAMESPACES is not set

CONFIG_BLK_DEV_INITRD=y

CONFIG_INITRAMFS_SOURCE=""

CONFIG_CC_OPTIMIZE_FOR_SIZE=y

CONFIG_SYSCTL=y

CONFIG_EMBEDDED=y

CONFIG_SYSCTL_SYSCALL=y

CONFIG_KALLSYMS=y

# CONFIG_KALLSYMS_ALL is not set

# CONFIG_KALLSYMS_EXTRA_PASS is not set

# CONFIG_HOTPLUG is not set

CONFIG_PRINTK=y

CONFIG_BUG=y

CONFIG_ELF_CORE=y

# CONFIG_COMPAT_BRK is not set

CONFIG_BASE_FULL=y

CONFIG_FUTEX=y

CONFIG_ANON_INODES=y

CONFIG_EPOLL=y

CONFIG_SIGNALFD=y

CONFIG_TIMERFD=y

CONFIG_EVENTFD=y

CONFIG_AIO=y

CONFIG_VM_EVENT_COUNTERS=y

CONFIG_SLAB=y

# CONFIG_SLUB is not set

# CONFIG_SLOB is not set

# CONFIG_PROFILING is not set

# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set

CONFIG_SLABINFO=y

CONFIG_RT_MUTEXES=y

CONFIG_BASE_SMALL=0

# CONFIG_MODULES is not set

CONFIG_BLOCK=y

# CONFIG_LBD is not set

# CONFIG_BLK_DEV_IO_TRACE is not set

# CONFIG_BLK_DEV_BSG is not set

# CONFIG_BLK_DEV_INTEGRITY is not set



#

# IO Schedulers

#

CONFIG_IOSCHED_NOOP=y

# CONFIG_IOSCHED_AS is not set

# CONFIG_IOSCHED_DEADLINE is not set

CONFIG_IOSCHED_CFQ=y

# CONFIG_DEFAULT_AS is not set

# CONFIG_DEFAULT_DEADLINE is not set

CONFIG_DEFAULT_CFQ=y

# CONFIG_DEFAULT_NOOP is not set

CONFIG_DEFAULT_IOSCHED="cfq"

# CONFIG_FREEZER is not set

# CONFIG_MMU is not set

CONFIG_VARIANT_IRQ_SWITCH=y



#

# Processor type and features

#

# CONFIG_XTENSA_VARIANT_FSF is not set

# CONFIG_XTENSA_VARIANT_DC232B is not set

CONFIG_XTENSA_VARIANT_S6000=y

# CONFIG_XTENSA_UNALIGNED_USER is not set

CONFIG_PREEMPT=y

# CONFIG_MATH_EMULATION is not set

# CONFIG_HIGHMEM is not set

# CONFIG_XTENSA_CALIBRATE_CCOUNT is not set

CONFIG_SERIAL_CONSOLE=y

# CONFIG_XTENSA_ISS_NETWORK is not set



#

# Bus options

#

# CONFIG_PCI is not set

# CONFIG_ARCH_SUPPORTS_MSI is not set



#

# Platform options

#

# CONFIG_XTENSA_PLATFORM_ISS is not set

# CONFIG_XTENSA_PLATFORM_XT2000 is not set

CONFIG_XTENSA_PLATFORM_S6105=y

CONFIG_XTENSA_CPU_CLOCK=300

CONFIG_GENERIC_CALIBRATE_DELAY=y

CONFIG_CMDLINE_BOOL=y

CONFIG_CMDLINE="console=ttyS1,38400 debug bootmem_debug loglevel=7"

CONFIG_SELECT_MEMORY_MODEL=y

CONFIG_FLATMEM_MANUAL=y

# CONFIG_DISCONTIGMEM_MANUAL is not set

# CONFIG_SPARSEMEM_MANUAL is not set

CONFIG_FLATMEM=y

CONFIG_FLAT_NODE_MEM_MAP=y

CONFIG_PAGEFLAGS_EXTENDED=y

CONFIG_SPLIT_PTLOCK_CPUS=4

# CONFIG_PHYS_ADDR_T_64BIT is not set

CONFIG_ZONE_DMA_FLAG=1

CONFIG_VIRT_TO_BUS=y



#

# Executable file formats

#

CONFIG_KCORE_ELF=y

CONFIG_BINFMT_FLAT=y

# CONFIG_BINFMT_ZFLAT is not set

# CONFIG_BINFMT_SHARED_FLAT is not set

# CONFIG_HAVE_AOUT is not set

# CONFIG_BINFMT_MISC is not set

CONFIG_NET=y



#

# Networking options

#

CONFIG_COMPAT_NET_DEV_OPS=y

CONFIG_PACKET=y

# CONFIG_PACKET_MMAP is not set

CONFIG_UNIX=y

# CONFIG_NET_KEY is not set

CONFIG_INET=y

# CONFIG_IP_MULTICAST is not set

# CONFIG_IP_ADVANCED_ROUTER is not set

CONFIG_IP_FIB_HASH=y

# CONFIG_IP_PNP is not set

# CONFIG_NET_IPIP is not set

# CONFIG_NET_IPGRE is not set

# CONFIG_ARPD is not set

# CONFIG_SYN_COOKIES is not set

# CONFIG_INET_AH is not set

# CONFIG_INET_ESP is not set

# CONFIG_INET_IPCOMP is not set

# CONFIG_INET_XFRM_TUNNEL is not set

# CONFIG_INET_TUNNEL is not set

# 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_TCP_CONG_ADVANCED is not set

CONFIG_TCP_CONG_CUBIC=y

CONFIG_DEFAULT_TCP_CONG="cubic"

# CONFIG_TCP_MD5SIG is not set

# CONFIG_IPV6 is not set

# CONFIG_NETWORK_SECMARK is not set

# CONFIG_NETFILTER is not set

# CONFIG_IP_DCCP is not set

# CONFIG_IP_SCTP is not set

# CONFIG_TIPC is not set

# CONFIG_ATM is not set

# CONFIG_BRIDGE is not set

# CONFIG_NET_DSA is not set

# CONFIG_VLAN_8021Q is not set

# CONFIG_DECNET is not set

# CONFIG_LLC2 is not set

# CONFIG_IPX is not set

# CONFIG_ATALK is not set

# CONFIG_X25 is not set

# CONFIG_LAPB is not set

# CONFIG_ECONET is not set

# CONFIG_WAN_ROUTER is not set

# CONFIG_NET_SCHED is not set

# CONFIG_DCB is not set



#

# Network testing

#

# CONFIG_NET_PKTGEN is not set

# CONFIG_HAMRADIO is not set

# CONFIG_CAN is not set

# CONFIG_IRDA is not set

# CONFIG_BT is not set

# CONFIG_AF_RXRPC is not set

# CONFIG_PHONET is not set

# CONFIG_WIRELESS is not set

# CONFIG_WIMAX is not set

# CONFIG_RFKILL is not set

# CONFIG_NET_9P is not set



#

# Device Drivers

#



#

# Generic Driver Options

#

CONFIG_STANDALONE=y

CONFIG_PREVENT_FIRMWARE_BUILD=y

# CONFIG_DEBUG_DRIVER is not set

# CONFIG_DEBUG_DEVRES is not set

# CONFIG_SYS_HYPERVISOR is not set

# CONFIG_CONNECTOR is not set

# CONFIG_MTD is not set

# CONFIG_PARPORT is not set

CONFIG_BLK_DEV=y

# CONFIG_BLK_DEV_COW_COMMON is not set

# CONFIG_BLK_DEV_LOOP is not set

# CONFIG_BLK_DEV_NBD is not set

CONFIG_BLK_DEV_RAM=y

CONFIG_BLK_DEV_RAM_COUNT=16

CONFIG_BLK_DEV_RAM_SIZE=4096

# CONFIG_BLK_DEV_XIP is not set

# CONFIG_CDROM_PKTCDVD is not set

# CONFIG_ATA_OVER_ETH is not set

# CONFIG_BLK_DEV_HD is not set

# CONFIG_MISC_DEVICES is not set

CONFIG_HAVE_IDE=y

# CONFIG_IDE is not set



#

# SCSI device support

#

# CONFIG_RAID_ATTRS is not set

# CONFIG_SCSI is not set

# CONFIG_SCSI_DMA is not set

# CONFIG_SCSI_NETLINK is not set

# CONFIG_ATA is not set

# CONFIG_MD is not set

# CONFIG_NETDEVICES is not set

# CONFIG_ISDN is not set

# CONFIG_PHONE is not set



#

# Input device support

#

# CONFIG_INPUT is not set



#

# Hardware I/O ports

#

# CONFIG_SERIO is not set

# CONFIG_GAMEPORT is not set



#

# Character devices

#

# CONFIG_VT is not set

# CONFIG_DEVKMEM is not set

# CONFIG_SERIAL_NONSTANDARD is not set



#

# Serial drivers

#

CONFIG_SERIAL_8250=y

CONFIG_SERIAL_8250_CONSOLE=y

CONFIG_SERIAL_8250_NR_UARTS=2

CONFIG_SERIAL_8250_RUNTIME_UARTS=2

# CONFIG_SERIAL_8250_EXTENDED is not set



#

# Non-8250 serial port support

#

CONFIG_SERIAL_CORE=y

CONFIG_SERIAL_CORE_CONSOLE=y

CONFIG_UNIX98_PTYS=y

# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set

# CONFIG_LEGACY_PTYS is not set

# CONFIG_IPMI_HANDLER is not set

# CONFIG_HW_RANDOM is not set

# CONFIG_RTC is not set

# CONFIG_GEN_RTC is not set

# CONFIG_R3964 is not set

# CONFIG_RAW_DRIVER is not set

# CONFIG_TCG_TPM is not set

# CONFIG_I2C is not set

# CONFIG_SPI is not set

CONFIG_ARCH_REQUIRE_GPIOLIB=y

CONFIG_GPIOLIB=y

# CONFIG_DEBUG_GPIO is not set

# CONFIG_GPIO_SYSFS is not set



#

# Memory mapped GPIO expanders:

#



#

# I2C GPIO expanders:

#



#

# PCI GPIO expanders:

#



#

# SPI GPIO expanders:

#

# CONFIG_W1 is not set

# CONFIG_POWER_SUPPLY is not set

# CONFIG_HWMON is not set

# CONFIG_THERMAL is not set

# CONFIG_THERMAL_HWMON is not set

# CONFIG_WATCHDOG is not set

CONFIG_SSB_POSSIBLE=y



#

# Sonics Silicon Backplane

#

# CONFIG_SSB is not set



#

# Multifunction device drivers

#

# CONFIG_MFD_CORE is not set

# CONFIG_MFD_SM501 is not set

# CONFIG_HTC_PASIC3 is not set

# CONFIG_MFD_TMIO is not set

# CONFIG_REGULATOR is not set



#

# Multimedia devices

#



#

# Multimedia core support

#

# CONFIG_VIDEO_DEV is not set

# CONFIG_DVB_CORE is not set

# CONFIG_VIDEO_MEDIA is not set



#

# Multimedia drivers

#

# CONFIG_DAB is not set



#

# Graphics support

#

# CONFIG_VGASTATE is not set

# CONFIG_VIDEO_OUTPUT_CONTROL is not set

# CONFIG_FB is not set

# CONFIG_BACKLIGHT_LCD_SUPPORT is not set



#

# Display device support

#

# CONFIG_DISPLAY_SUPPORT is not set

# CONFIG_SOUND is not set

# CONFIG_USB_SUPPORT is not set

# CONFIG_MMC is not set

# CONFIG_MEMSTICK is not set

# CONFIG_NEW_LEDS is not set

# CONFIG_ACCESSIBILITY is not set

# CONFIG_RTC_CLASS is not set

# CONFIG_DMADEVICES is not set

# CONFIG_UIO is not set

# CONFIG_STAGING is not set



#

# File systems

#

# CONFIG_EXT2_FS is not set

# CONFIG_EXT3_FS is not set

# CONFIG_EXT4_FS is not set

# CONFIG_REISERFS_FS is not set

# CONFIG_JFS_FS is not set

# CONFIG_FS_POSIX_ACL is not set

CONFIG_FILE_LOCKING=y

# CONFIG_XFS_FS is not set

# CONFIG_OCFS2_FS is not set

# CONFIG_BTRFS_FS is not set

# CONFIG_DNOTIFY is not set

# CONFIG_INOTIFY is not set

# CONFIG_QUOTA is not set

# CONFIG_AUTOFS_FS is not set

# CONFIG_AUTOFS4_FS is not set

# CONFIG_FUSE_FS is not set



#

# CD-ROM/DVD Filesystems

#

# CONFIG_ISO9660_FS is not set

# CONFIG_UDF_FS is not set



#

# DOS/FAT/NT Filesystems

#

# CONFIG_MSDOS_FS is not set

# CONFIG_VFAT_FS is not set

# CONFIG_NTFS_FS is not set



#

# Pseudo filesystems

#

CONFIG_PROC_FS=y

CONFIG_PROC_SYSCTL=y

CONFIG_SYSFS=y

# CONFIG_TMPFS is not set

# CONFIG_HUGETLB_PAGE is not set

# CONFIG_CONFIGFS_FS is not set

# CONFIG_MISC_FILESYSTEMS is not set

# CONFIG_NETWORK_FILESYSTEMS is not set



#

# Partition Types

#

# CONFIG_PARTITION_ADVANCED is not set

CONFIG_MSDOS_PARTITION=y

# CONFIG_NLS is not set

# CONFIG_DLM is not set



#

# Xtensa initrd options

#

# CONFIG_EMBEDDED_RAMDISK is not set



#

# Kernel hacking

#

CONFIG_PRINTK_TIME=y

# CONFIG_ENABLE_WARN_DEPRECATED is not set

# CONFIG_ENABLE_MUST_CHECK is not set

CONFIG_FRAME_WARN=1024

# CONFIG_MAGIC_SYSRQ is not set

# CONFIG_UNUSED_SYMBOLS is not set

# CONFIG_DEBUG_FS is not set

# CONFIG_HEADERS_CHECK is not set

CONFIG_DEBUG_KERNEL=y

CONFIG_DEBUG_SHIRQ=y

CONFIG_DETECT_SOFTLOCKUP=y

# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set

CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0

# CONFIG_SCHED_DEBUG is not set

# CONFIG_SCHEDSTATS is not set

# CONFIG_TIMER_STATS is not set

# CONFIG_DEBUG_OBJECTS is not set

# CONFIG_DEBUG_SLAB is not set

# CONFIG_DEBUG_RT_MUTEXES is not set

# CONFIG_RT_MUTEX_TESTER is not set

CONFIG_DEBUG_SPINLOCK=y

CONFIG_DEBUG_MUTEXES=y

CONFIG_DEBUG_SPINLOCK_SLEEP=y

# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set

# CONFIG_DEBUG_KOBJECT is not set

# CONFIG_DEBUG_INFO is not set

# CONFIG_DEBUG_VM is not set

CONFIG_DEBUG_NOMMU_REGIONS=y

# CONFIG_DEBUG_WRITECOUNT is not set

# CONFIG_DEBUG_MEMORY_INIT is not set

# CONFIG_DEBUG_LIST is not set

# CONFIG_DEBUG_SG is not set

# CONFIG_DEBUG_NOTIFIERS is not set

# CONFIG_BOOT_PRINTK_DELAY is not set

# CONFIG_RCU_TORTURE_TEST is not set

# CONFIG_BACKTRACE_SELF_TEST is not set

# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set

# CONFIG_FAULT_INJECTION is not set

# CONFIG_SYSCTL_SYSCALL_CHECK is not set



#

# Tracers

#

# CONFIG_PREEMPT_TRACER is not set

# CONFIG_SCHED_TRACER is not set

# CONFIG_CONTEXT_SWITCH_TRACER is not set

# CONFIG_BOOT_TRACER is not set

# CONFIG_TRACE_BRANCH_PROFILING is not set

# CONFIG_DYNAMIC_PRINTK_DEBUG is not set

# CONFIG_SAMPLES is not set



#

# Security options

#

# CONFIG_KEYS is not set

# CONFIG_SECURITY is not set

# CONFIG_SECURITYFS is not set

# CONFIG_SECURITY_FILE_CAPABILITIES is not set

# CONFIG_CRYPTO is not set



#

# Library routines

#

CONFIG_GENERIC_FIND_LAST_BIT=y

# CONFIG_CRC_CCITT is not set

# CONFIG_CRC16 is not set

# CONFIG_CRC_T10DIF is not set

# CONFIG_CRC_ITU_T is not set

# CONFIG_CRC32 is not set

# CONFIG_CRC7 is not set

# CONFIG_LIBCRC32C is not set

CONFIG_PLIST=y

CONFIG_HAS_IOMEM=y

CONFIG_HAS_DMA=y

arch/xtensa/platforms/s6105/Makefile

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+3 −0
Original line number Diff line number Diff line 
# Makefile for the Stretch S6105 eval board



obj-y		:= setup.o device.o

arch/xtensa/platforms/s6105/device.c

0 → 100644
+67 −0
Original line number Diff line number Diff line 
/*

 * s6105 platform devices

 *

 * Copyright (c) 2009 emlix GmbH

 */



#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/platform_device.h>

#include <linux/serial.h>

#include <linux/serial_8250.h>



#include <variant/hardware.h>



#define UART_INTNUM		4



static const signed char uart_irq_mappings[] = {

	S6_INTC_UART(0),

	S6_INTC_UART(1),

	-1,

};



const signed char *platform_irq_mappings[NR_IRQS] = {

	[UART_INTNUM] = uart_irq_mappings,

};



static struct plat_serial8250_port serial_platform_data[] = {

	{

		.membase = (void *)S6_REG_UART + 0x0000,

		.mapbase = S6_REG_UART + 0x0000,

		.irq = UART_INTNUM,

		.uartclk = S6_SCLK,

		.regshift = 2,

		.iotype = SERIAL_IO_MEM,

		.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST,

	},

	{

		.membase = (void *)S6_REG_UART + 0x1000,

		.mapbase = S6_REG_UART + 0x1000,

		.irq = UART_INTNUM,

		.uartclk = S6_SCLK,

		.regshift = 2,

		.iotype = SERIAL_IO_MEM,

		.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST,

	},

	{ },

};



static struct platform_device platform_devices[] = {

	{

		.name = "serial8250",

		.id = PLAT8250_DEV_PLATFORM,

		.dev = {

			.platform_data = serial_platform_data,

		},

	},

};



static int __init device_init(void)

{

	int i;



	for (i = 0; i < ARRAY_SIZE(platform_devices); i++)

		platform_device_register(&platform_devices[i]);

	return 0;

}

arch_initcall_sync(device_init);