diff options
| author | Chris Zankel <chris@zankel.net> | 2014-11-10 08:24:48 (GMT) |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2014-11-10 08:24:48 (GMT) |
| commit | c0d7aa07504a8f4abd7b02b9144c4a92b7565f45 (patch) | |
| tree | a983f40010592c96e43def4f1293392bb3c99f2d /arch/xtensa | |
| parent | aeb589734251aaf4c28d80d0efb5da01dc0ce868 (diff) | |
| parent | 4006e565e1500db40b8546dcc6011737bc5d986c (diff) | |
| download | linux-c0d7aa07504a8f4abd7b02b9144c4a92b7565f45.tar.xz | |
Merge tag 'xtensa-for-next-20141021-2' of git://github.com/jcmvbkbc/linux-xtensa into for_next
Xtensa improvements for 3.18:
- fix nommu support;
- remove s6000 variant and s6105 platform.
Diffstat (limited to 'arch/xtensa')
39 files changed, 138 insertions, 3038 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 81f57e8..8cdbc4c 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -98,12 +98,6 @@ config XTENSA_VARIANT_DC233C help This variant refers to Tensilica's Diamond 233L Standard core Rev.C (LE). -config XTENSA_VARIANT_S6000 - bool "s6000 - Stretch software configurable processor" - select VARIANT_IRQ_SWITCH - select ARCH_REQUIRE_GPIOLIB - select XTENSA_CALIBRATE_CCOUNT - config XTENSA_VARIANT_CUSTOM bool "Custom Xtensa processor configuration" select MAY_HAVE_SMP @@ -126,7 +120,6 @@ config XTENSA_VARIANT_NAME default "dc232b" if XTENSA_VARIANT_DC232B default "dc233c" if XTENSA_VARIANT_DC233C default "fsf" if XTENSA_VARIANT_FSF - default "s6000" if XTENSA_VARIANT_S6000 default XTENSA_VARIANT_CUSTOM_NAME if XTENSA_VARIANT_CUSTOM config XTENSA_VARIANT_MMU @@ -191,7 +184,6 @@ config HOTPLUG_CPU config INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX bool "Initialize Xtensa MMU inside the Linux kernel code" - depends on MMU default y help Earlier version initialized the MMU in the exception vector @@ -311,15 +303,10 @@ 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 HAVE_IDE - select SERIAL_CONSOLE - select NO_IOPORT_MAP - config XTENSA_PLATFORM_XTFPGA bool "XTFPGA" select ETHOC if ETHERNET + select PLATFORM_WANT_DEFAULT_MEM select SERIAL_CONSOLE select XTENSA_CALIBRATE_CCOUNT help @@ -406,6 +393,41 @@ source "drivers/pcmcia/Kconfig" source "drivers/pci/hotplug/Kconfig" +config PLATFORM_WANT_DEFAULT_MEM + def_bool n + +config DEFAULT_MEM_START + hex "Physical address of the default memory area start" + depends on PLATFORM_WANT_DEFAULT_MEM + default 0x00000000 if MMU + default 0x40000000 if !MMU + help + This is a fallback start address of the default memory area, it is + used when no physical memory size is passed through DTB or through + boot parameter from bootloader. + + In noMMU configuration the following parameters are derived from it: + - kernel load address; + - kernel entry point address; + - relocatable vectors base address; + - uBoot load address; + - TASK_SIZE. + + If unsure, leave the default value here. + +config DEFAULT_MEM_SIZE + hex "Maximal size of the default memory area" + depends on PLATFORM_WANT_DEFAULT_MEM + default 0x04000000 + help + This is a fallback size of the default memory area, it is used when + no physical memory size is passed through DTB or through boot + parameter from bootloader. + + It's also used for TASK_SIZE calculation in noMMU configuration. + + If unsure, leave the default value here. + endmenu menu "Executable file formats" diff --git a/arch/xtensa/Kconfig.debug b/arch/xtensa/Kconfig.debug index af7da74..53ae08e 100644 --- a/arch/xtensa/Kconfig.debug +++ b/arch/xtensa/Kconfig.debug @@ -4,7 +4,7 @@ source "lib/Kconfig.debug" config DEBUG_TLB_SANITY bool "Debug TLB sanity" - depends on DEBUG_KERNEL + depends on DEBUG_KERNEL && MMU help Enable this to turn on TLB sanity check on each entry to userspace. This check can spot missing TLB invalidation/wrong PTE permissions/ diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile index 4725330..f9e6a06 100644 --- a/arch/xtensa/Makefile +++ b/arch/xtensa/Makefile @@ -35,7 +35,6 @@ endif platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss -platform-$(CONFIG_XTENSA_PLATFORM_S6105) := s6105 platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga PLATFORM = $(platform-y) diff --git a/arch/xtensa/boot/boot-elf/boot.lds.S b/arch/xtensa/boot/boot-elf/boot.lds.S index 932b58e..958b33a 100644 --- a/arch/xtensa/boot/boot-elf/boot.lds.S +++ b/arch/xtensa/boot/boot-elf/boot.lds.S @@ -41,6 +41,7 @@ SECTIONS __bss_end = .; } +#ifdef CONFIG_MMU /* * This is a remapped copy of the Reset Vector Code. * It keeps gdb in sync with the PC after switching @@ -51,4 +52,5 @@ SECTIONS { *(.ResetVector.remapped_text) } +#endif } diff --git a/arch/xtensa/boot/boot-elf/bootstrap.S b/arch/xtensa/boot/boot-elf/bootstrap.S index 1388a49..9341a57 100644 --- a/arch/xtensa/boot/boot-elf/bootstrap.S +++ b/arch/xtensa/boot/boot-elf/bootstrap.S @@ -20,6 +20,7 @@ #include <asm/page.h> #include <asm/cacheasm.h> #include <asm/initialize_mmu.h> +#include <asm/vectors.h> #include <linux/linkage.h> .section .ResetVector.text, "ax" @@ -34,12 +35,7 @@ _ResetVector: .align 4 RomInitAddr: -#if defined(CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX) && \ - XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY - .word 0x00003000 -#else - .word 0xd0003000 -#endif + .word LOAD_MEMORY_ADDRESS RomBootParam: .word _bootparam _bootparam: @@ -79,6 +75,7 @@ reset: movi a4, 0 jx a0 +#ifdef CONFIG_MMU .align 4 .section .ResetVector.remapped_text, "x" @@ -102,3 +99,4 @@ _RemappedSetupMMU: #endif .end no-absolute-literals +#endif diff --git a/arch/xtensa/boot/boot-uboot/Makefile b/arch/xtensa/boot/boot-uboot/Makefile index 5457598..403fcf2 100644 --- a/arch/xtensa/boot/boot-uboot/Makefile +++ b/arch/xtensa/boot/boot-uboot/Makefile @@ -4,11 +4,15 @@ # for more details. # +ifdef CONFIG_MMU ifdef CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX UIMAGE_LOADADDR = 0x00003000 else UIMAGE_LOADADDR = 0xd0003000 endif +else +UIMAGE_LOADADDR = $(shell printf "0x%x" $$(( ${CONFIG_DEFAULT_MEM_START} + 0x3000 )) ) +endif UIMAGE_COMPRESSION = gzip $(obj)/../uImage: vmlinux.bin.gz FORCE diff --git a/arch/xtensa/configs/iss_defconfig b/arch/xtensa/configs/iss_defconfig index b966baf..6a7593b 100644 --- a/arch/xtensa/configs/iss_defconfig +++ b/arch/xtensa/configs/iss_defconfig @@ -143,7 +143,6 @@ CONFIG_MMU=y # CONFIG_XTENSA_VARIANT_FSF=y # CONFIG_XTENSA_VARIANT_DC232B is not set -# CONFIG_XTENSA_VARIANT_S6000 is not set # CONFIG_XTENSA_UNALIGNED_USER is not set # CONFIG_PREEMPT is not set CONFIG_XTENSA_CALIBRATE_CCOUNT=y @@ -161,7 +160,6 @@ CONFIG_XTENSA_ISS_NETWORK=y # CONFIG_XTENSA_PLATFORM_ISS=y # CONFIG_XTENSA_PLATFORM_XT2000 is not set -# CONFIG_XTENSA_PLATFORM_S6105 is not set # CONFIG_GENERIC_CALIBRATE_DELAY is not set CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="console=ttyS0,38400 eth0=tuntap,,tap0 ip=192.168.168.5:192.168.168.1 root=nfs nfsroot=192.168.168.1:/opt/montavista/pro/devkit/xtensa/linux_be/target" diff --git a/arch/xtensa/configs/s6105_defconfig b/arch/xtensa/configs/s6105_defconfig deleted file mode 100644 index 9471265..0000000 --- a/arch/xtensa/configs/s6105_defconfig +++ /dev/null @@ -1,615 +0,0 @@ -# -# Automatically generated make config: don't edit -# Linux kernel version: 2.6.29-rc7-s6 -# Tue Mar 10 11:09:26 2009 -# -# CONFIG_FRAME_POINTER is not set -CONFIG_ZONE_DMA=y -CONFIG_XTENSA=y -CONFIG_RWSEM_XCHGADD_ALGORITHM=y -CONFIG_GENERIC_FIND_NEXT_BIT=y -CONFIG_GENERIC_HWEIGHT=y -# CONFIG_ARCH_HAS_ILOG2_U32 is not set -# CONFIG_ARCH_HAS_ILOG2_U64 is not set -CONFIG_NO_IOPORT_MAP=y -CONFIG_HZ=100 -CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" - -# -# General setup -# -CONFIG_EXPERIMENTAL=y -CONFIG_BROKEN_ON_SMP=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_EXPERT=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_HIGHMEM is not set -CONFIG_XTENSA_CALIBRATE_CCOUNT=y -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_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=y -# CONFIG_DUMMY is not set -# CONFIG_BONDING is not set -# CONFIG_MACVLAN is not set -# CONFIG_EQUALIZER is not set -# CONFIG_TUN is not set -# CONFIG_VETH is not set -CONFIG_PHYLIB=y - -# -# MII PHY device drivers -# -# CONFIG_MARVELL_PHY is not set -# CONFIG_DAVICOM_PHY is not set -# CONFIG_QSEMI_PHY is not set -# CONFIG_LXT_PHY is not set -# CONFIG_CICADA_PHY is not set -# CONFIG_VITESSE_PHY is not set -CONFIG_SMSC_PHY=y -# CONFIG_BROADCOM_PHY is not set -# CONFIG_ICPLUS_PHY is not set -# CONFIG_REALTEK_PHY is not set -# CONFIG_NATIONAL_PHY is not set -# CONFIG_STE10XP is not set -# CONFIG_LSI_ET1011C_PHY is not set -# CONFIG_FIXED_PHY is not set -# CONFIG_MDIO_BITBANG is not set -# CONFIG_NET_ETHERNET is not set -CONFIG_NETDEV_1000=y -CONFIG_S6GMAC=y -# CONFIG_NETDEV_10000 is not set - -# -# Wireless LAN -# -# CONFIG_WLAN_PRE80211 is not set -# CONFIG_WLAN_80211 is not set -# CONFIG_IWLWIFI_LEDS is not set - -# -# Enable WiMAX (Networking options) to see the WiMAX drivers -# -# CONFIG_WAN is not set -# CONFIG_PPP is not set -# CONFIG_SLIP is not set -# CONFIG_NETCONSOLE is not set -# CONFIG_NETPOLL is not set -# CONFIG_NET_POLL_CONTROLLER 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_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_LIB=y -CONFIG_RTC_CLASS=y -CONFIG_RTC_HCTOSYS=y -CONFIG_RTC_HCTOSYS_DEVICE="rtc0" -# CONFIG_RTC_DEBUG is not set - -# -# RTC interfaces -# -# CONFIG_RTC_INTF_SYSFS is not set -# CONFIG_RTC_INTF_PROC is not set -# CONFIG_RTC_INTF_DEV is not set -# CONFIG_RTC_DRV_TEST is not set - -# -# I2C RTC drivers -# -# CONFIG_RTC_DRV_DS1307 is not set -# CONFIG_RTC_DRV_DS1374 is not set -# CONFIG_RTC_DRV_DS1672 is not set -# CONFIG_RTC_DRV_MAX6900 is not set -# CONFIG_RTC_DRV_RS5C372 is not set -# CONFIG_RTC_DRV_ISL1208 is not set -# CONFIG_RTC_DRV_X1205 is not set -# CONFIG_RTC_DRV_PCF8563 is not set -# CONFIG_RTC_DRV_PCF8583 is not set -CONFIG_RTC_DRV_M41T80=y -# CONFIG_RTC_DRV_M41T80_WDT is not set -# CONFIG_RTC_DRV_S35390A is not set -# CONFIG_RTC_DRV_FM3130 is not set -# CONFIG_RTC_DRV_RX8581 is not set - -# -# SPI RTC drivers -# - -# -# Platform RTC drivers -# -# CONFIG_RTC_DRV_DS1286 is not set -# CONFIG_RTC_DRV_DS1511 is not set -# CONFIG_RTC_DRV_DS1553 is not set -# CONFIG_RTC_DRV_DS1742 is not set -# CONFIG_RTC_DRV_STK17TA8 is not set -# CONFIG_RTC_DRV_M48T86 is not set -# CONFIG_RTC_DRV_M48T35 is not set -# CONFIG_RTC_DRV_M48T59 is not set -# CONFIG_RTC_DRV_BQ4802 is not set -# CONFIG_RTC_DRV_V3020 is not set - -# -# on-CPU RTC drivers -# -# 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 - -# -# 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_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_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 diff --git a/arch/xtensa/include/asm/cacheflush.h b/arch/xtensa/include/asm/cacheflush.h index e72aaca..5f67ace 100644 --- a/arch/xtensa/include/asm/cacheflush.h +++ b/arch/xtensa/include/asm/cacheflush.h @@ -67,6 +67,8 @@ extern void __invalidate_dcache_page_alias(unsigned long, unsigned long); #else static inline void __flush_invalidate_dcache_page_alias(unsigned long virt, unsigned long phys) { } +static inline void __invalidate_dcache_page_alias(unsigned long virt, + unsigned long phys) { } #endif #if defined(CONFIG_MMU) && (ICACHE_WAY_SIZE > PAGE_SIZE) extern void __invalidate_icache_page_alias(unsigned long, unsigned long); @@ -84,7 +86,8 @@ static inline void __invalidate_icache_page_alias(unsigned long virt, * (see also Documentation/cachetlb.txt) */ -#if (DCACHE_WAY_SIZE > PAGE_SIZE) || defined(CONFIG_SMP) +#if defined(CONFIG_MMU) && \ + ((DCACHE_WAY_SIZE > PAGE_SIZE) || defined(CONFIG_SMP)) #ifdef CONFIG_SMP void flush_cache_all(void); @@ -150,7 +153,7 @@ void local_flush_cache_page(struct vm_area_struct *vma, #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) -#if (DCACHE_WAY_SIZE > PAGE_SIZE) +#if defined(CONFIG_MMU) && (DCACHE_WAY_SIZE > PAGE_SIZE) extern void copy_to_user_page(struct vm_area_struct*, struct page*, unsigned long, void*, const void*, unsigned long); diff --git a/arch/xtensa/include/asm/initialize_mmu.h b/arch/xtensa/include/asm/initialize_mmu.h index 600781e..e256f22 100644 --- a/arch/xtensa/include/asm/initialize_mmu.h +++ b/arch/xtensa/include/asm/initialize_mmu.h @@ -26,8 +26,16 @@ #include <asm/pgtable.h> #include <asm/vectors.h> +#if XCHAL_HAVE_PTP_MMU #define CA_BYPASS (_PAGE_CA_BYPASS | _PAGE_HW_WRITE | _PAGE_HW_EXEC) #define CA_WRITEBACK (_PAGE_CA_WB | _PAGE_HW_WRITE | _PAGE_HW_EXEC) +#else +#define CA_WRITEBACK (0x4) +#endif + +#ifndef XCHAL_SPANNING_WAY +#define XCHAL_SPANNING_WAY 0 +#endif #ifdef __ASSEMBLY__ @@ -75,7 +83,7 @@ /* Step 1: invalidate mapping at 0x40000000..0x5FFFFFFF. */ - movi a2, 0x40000006 + movi a2, 0x40000000 | XCHAL_SPANNING_WAY idtlb a2 iitlb a2 isync @@ -141,9 +149,6 @@ jx a4 1: - movi a2, VECBASE_RESET_VADDR - wsr a2, vecbase - /* Step 5: remove temporary mapping. */ idtlb a7 iitlb a7 @@ -156,6 +161,33 @@ #endif /* defined(CONFIG_MMU) && XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY */ +#if !defined(CONFIG_MMU) && XCHAL_HAVE_TLBS + /* Enable data and instruction cache in the DEFAULT_MEMORY region + * if the processor has DTLB and ITLB. + */ + + movi a5, PLATFORM_DEFAULT_MEM_START | XCHAL_SPANNING_WAY + movi a6, ~_PAGE_ATTRIB_MASK + movi a7, CA_WRITEBACK + movi a8, 0x20000000 + movi a9, PLATFORM_DEFAULT_MEM_SIZE + j 2f +1: + sub a9, a9, a8 +2: + rdtlb1 a3, a5 + ritlb1 a4, a5 + and a3, a3, a6 + and a4, a4, a6 + or a3, a3, a7 + or a4, a4, a7 + wdtlb a3, a5 + witlb a4, a5 + add a5, a5, a8 + bltu a8, a9, 1b + +#endif + .endm #endif /*__ASSEMBLY__*/ diff --git a/arch/xtensa/include/asm/mmu_context.h b/arch/xtensa/include/asm/mmu_context.h index d33c71a..04c8ebd 100644 --- a/arch/xtensa/include/asm/mmu_context.h +++ b/arch/xtensa/include/asm/mmu_context.h @@ -50,11 +50,7 @@ DECLARE_PER_CPU(unsigned long, asid_cache); #define ASID_MASK ((1 << XCHAL_MMU_ASID_BITS) - 1) #define ASID_INSERT(x) (0x03020001 | (((x) & ASID_MASK) << 8)) -#ifdef CONFIG_MMU void init_mmu(void); -#else -static inline void init_mmu(void) { } -#endif static inline void set_rasid_register (unsigned long val) { diff --git a/arch/xtensa/include/asm/nommu_context.h b/arch/xtensa/include/asm/nommu_context.h index 3407cf7..22984fd 100644 --- a/arch/xtensa/include/asm/nommu_context.h +++ b/arch/xtensa/include/asm/nommu_context.h @@ -1,3 +1,7 @@ +static inline void init_mmu(void) +{ +} + static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) { } diff --git a/arch/xtensa/include/asm/page.h b/arch/xtensa/include/asm/page.h index abe24c6..ad38500 100644 --- a/arch/xtensa/include/asm/page.h +++ b/arch/xtensa/include/asm/page.h @@ -20,10 +20,10 @@ * Fixed TLB translations in the processor. */ -#define XCHAL_KSEG_CACHED_VADDR 0xd0000000 -#define XCHAL_KSEG_BYPASS_VADDR 0xd8000000 -#define XCHAL_KSEG_PADDR 0x00000000 -#define XCHAL_KSEG_SIZE 0x08000000 +#define XCHAL_KSEG_CACHED_VADDR __XTENSA_UL_CONST(0xd0000000) +#define XCHAL_KSEG_BYPASS_VADDR __XTENSA_UL_CONST(0xd8000000) +#define XCHAL_KSEG_PADDR __XTENSA_UL_CONST(0x00000000) +#define XCHAL_KSEG_SIZE __XTENSA_UL_CONST(0x08000000) /* * PAGE_SHIFT determines the page size @@ -37,7 +37,7 @@ #define PAGE_OFFSET XCHAL_KSEG_CACHED_VADDR #define MAX_MEM_PFN XCHAL_KSEG_SIZE #else -#define PAGE_OFFSET 0 +#define PAGE_OFFSET __XTENSA_UL_CONST(0) #define MAX_MEM_PFN (PLATFORM_DEFAULT_MEM_START + PLATFORM_DEFAULT_MEM_SIZE) #endif @@ -145,7 +145,7 @@ extern void copy_page(void *to, void *from); * some extra work */ -#if DCACHE_WAY_SIZE > PAGE_SIZE +#if defined(CONFIG_MMU) && DCACHE_WAY_SIZE > PAGE_SIZE extern void clear_page_alias(void *vaddr, unsigned long paddr); extern void copy_page_alias(void *to, void *from, unsigned long to_paddr, unsigned long from_paddr); diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h index 0383aed..872bf01 100644 --- a/arch/xtensa/include/asm/pgtable.h +++ b/arch/xtensa/include/asm/pgtable.h @@ -178,6 +178,7 @@ #else /* no mmu */ +# define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY) # define PAGE_NONE __pgprot(0) # define PAGE_SHARED __pgprot(0) # define PAGE_COPY __pgprot(0) diff --git a/arch/xtensa/include/asm/vectors.h b/arch/xtensa/include/asm/vectors.h index f74ddfb..a46c53f 100644 --- a/arch/xtensa/include/asm/vectors.h +++ b/arch/xtensa/include/asm/vectors.h @@ -19,6 +19,7 @@ #define _XTENSA_VECTORS_H #include <variant/core.h> +#include <platform/hardware.h> #define XCHAL_KIO_CACHED_VADDR 0xe0000000 #define XCHAL_KIO_BYPASS_VADDR 0xf0000000 @@ -51,13 +52,13 @@ /* MMU Not being used - Virtual == Physical */ /* VECBASE */ - #define VIRTUAL_MEMORY_ADDRESS 0x00002000 + #define VIRTUAL_MEMORY_ADDRESS (PLATFORM_DEFAULT_MEM_START + 0x2000) /* Location of the start of the kernel text, _start */ - #define KERNELOFFSET 0x00003000 + #define KERNELOFFSET (PLATFORM_DEFAULT_MEM_START + 0x3000) /* Loaded just above possibly live vectors */ - #define LOAD_MEMORY_ADDRESS 0x00003000 + #define LOAD_MEMORY_ADDRESS (PLATFORM_DEFAULT_MEM_START + 0x3000) #endif /* CONFIG_MMU */ diff --git a/arch/xtensa/include/uapi/asm/mman.h b/arch/xtensa/include/uapi/asm/mman.h index 00eed67..201aec0 100644 --- a/arch/xtensa/include/uapi/asm/mman.h +++ b/arch/xtensa/include/uapi/asm/mman.h @@ -55,6 +55,12 @@ #define MAP_NONBLOCK 0x20000 /* do not block on IO */ #define MAP_STACK 0x40000 /* give out an address that is best suited for process/thread stacks */ #define MAP_HUGETLB 0x80000 /* create a huge page mapping */ +#ifdef CONFIG_MMAP_ALLOW_UNINITIALIZED +# define MAP_UNINITIALIZED 0x4000000 /* For anonymous mmap, memory could be + * uninitialized */ +#else +# define MAP_UNINITIALIZED 0x0 /* Don't support this flag */ +#endif /* * Flags for msync diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S index aeeb3cc..15a461e 100644 --- a/arch/xtensa/kernel/head.S +++ b/arch/xtensa/kernel/head.S @@ -112,6 +112,11 @@ ENTRY(_startup) movi a0, 0 +#if XCHAL_HAVE_VECBASE + movi a2, VECBASE_RESET_VADDR + wsr a2, vecbase +#endif + /* Clear debugging registers. */ #if XCHAL_HAVE_DEBUG diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c index 5d3f7a1..83cf496 100644 --- a/arch/xtensa/kernel/syscall.c +++ b/arch/xtensa/kernel/syscall.c @@ -57,6 +57,7 @@ asmlinkage long xtensa_fadvise64_64(int fd, int advice, return sys_fadvise64_64(fd, offset, len, advice); } +#ifdef CONFIG_MMU unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags) { @@ -93,3 +94,4 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, addr = COLOUR_ALIGN(addr, pgoff); } } +#endif diff --git a/arch/xtensa/mm/Makefile b/arch/xtensa/mm/Makefile index f54f78e..e601e2f 100644 --- a/arch/xtensa/mm/Makefile +++ b/arch/xtensa/mm/Makefile @@ -2,6 +2,6 @@ # Makefile for the Linux/Xtensa-specific parts of the memory manager. # -obj-y := init.o cache.o misc.o -obj-$(CONFIG_MMU) += fault.o mmu.o tlb.o +obj-y := init.o misc.o +obj-$(CONFIG_MMU) += cache.o fault.o mmu.o tlb.o obj-$(CONFIG_HIGHMEM) += highmem.o diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c index 77ed202..9a9a593 100644 --- a/arch/xtensa/mm/init.c +++ b/arch/xtensa/mm/init.c @@ -239,6 +239,17 @@ void __init bootmem_init(void) unsigned long bootmap_start, bootmap_size; int i; + /* Reserve all memory below PLATFORM_DEFAULT_MEM_START, as memory + * accounting doesn't work for pages below that address. + * + * If PLATFORM_DEFAULT_MEM_START is zero reserve page at address 0: + * successfull allocations should never return NULL. + */ + if (PLATFORM_DEFAULT_MEM_START) + mem_reserve(0, PLATFORM_DEFAULT_MEM_START, 0); + else + mem_reserve(0, 1, 0); + sysmem_dump(); max_low_pfn = max_pfn = 0; min_low_pfn = ~0; @@ -332,18 +343,24 @@ void __init mem_init(void) " pkmap : 0x%08lx - 0x%08lx (%5lu kB)\n" " fixmap : 0x%08lx - 0x%08lx (%5lu kB)\n" #endif +#ifdef CONFIG_MMU " vmalloc : 0x%08x - 0x%08x (%5u MB)\n" - " lowmem : 0x%08x - 0x%08lx (%5lu MB)\n", +#endif + " lowmem : 0x%08lx - 0x%08lx (%5lu MB)\n", #ifdef CONFIG_HIGHMEM PKMAP_BASE, PKMAP_BASE + LAST_PKMAP * PAGE_SIZE, (LAST_PKMAP*PAGE_SIZE) >> 10, FIXADDR_START, FIXADDR_TOP, (FIXADDR_TOP - FIXADDR_START) >> 10, #endif +#ifdef CONFIG_MMU VMALLOC_START, VMALLOC_END, (VMALLOC_END - VMALLOC_START) >> 20, PAGE_OFFSET, PAGE_OFFSET + (max_low_pfn - min_low_pfn) * PAGE_SIZE, +#else + min_low_pfn * PAGE_SIZE, max_low_pfn * PAGE_SIZE, +#endif ((max_low_pfn - min_low_pfn) * PAGE_SIZE) >> 20); } diff --git a/arch/xtensa/platforms/s6105/Makefile b/arch/xtensa/platforms/s6105/Makefile deleted file mode 100644 index 0be6194..0000000 --- a/arch/xtensa/platforms/s6105/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -# Makefile for the Stretch S6105 eval board - -obj-y := setup.o device.o diff --git a/arch/xtensa/platforms/s6105/device.c b/arch/xtensa/platforms/s6105/device.c deleted file mode 100644 index 4f4fc97..0000000 --- a/arch/xtensa/platforms/s6105/device.c +++ /dev/null @@ -1,161 +0,0 @@ -/* - * s6105 platform devices - * - * Copyright (c) 2009 emlix GmbH - */ - -#include <linux/kernel.h> -#include <linux/gpio.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/phy.h> -#include <linux/platform_device.h> -#include <linux/serial.h> -#include <linux/serial_8250.h> - -#include <variant/hardware.h> -#include <variant/dmac.h> - -#include <platform/gpio.h> - -#define GPIO3_INTNUM 3 -#define UART_INTNUM 4 -#define GMAC_INTNUM 5 - -static const signed char gpio3_irq_mappings[] = { - S6_INTC_GPIO(3), - -1 -}; - -static const signed char uart_irq_mappings[] = { - S6_INTC_UART(0), - S6_INTC_UART(1), - -1, -}; - -static const signed char gmac_irq_mappings[] = { - S6_INTC_GMAC_STAT, - S6_INTC_GMAC_ERR, - S6_INTC_DMA_HOSTTERMCNT(0), - S6_INTC_DMA_HOSTTERMCNT(1), - -1 -}; - -const signed char *platform_irq_mappings[NR_IRQS] = { - [GPIO3_INTNUM] = gpio3_irq_mappings, - [UART_INTNUM] = uart_irq_mappings, - [GMAC_INTNUM] = gmac_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 resource s6_gmac_resource[] = { - { - .name = "mem", - .start = (resource_size_t)S6_REG_GMAC, - .end = (resource_size_t)S6_REG_GMAC + 0x10000 - 1, - .flags = IORESOURCE_MEM, - }, - { - .name = "dma", - .start = (resource_size_t) - DMA_CHNL(S6_REG_HIFDMA, S6_HIFDMA_GMACTX), - .end = (resource_size_t) - DMA_CHNL(S6_REG_HIFDMA, S6_HIFDMA_GMACTX) + 0x100 - 1, - .flags = IORESOURCE_DMA, - }, - { - .name = "dma", - .start = (resource_size_t) - DMA_CHNL(S6_REG_HIFDMA, S6_HIFDMA_GMACRX), - .end = (resource_size_t) - DMA_CHNL(S6_REG_HIFDMA, S6_HIFDMA_GMACRX) + 0x100 - 1, - .flags = IORESOURCE_DMA, - }, - { - .name = "io", - .start = (resource_size_t)S6_MEM_GMAC, - .end = (resource_size_t)S6_MEM_GMAC + 0x2000000 - 1, - .flags = IORESOURCE_IO, - }, - { - .name = "irq", - .start = (resource_size_t)GMAC_INTNUM, - .flags = IORESOURCE_IRQ, - }, - { - .name = "irq", - .start = (resource_size_t)PHY_POLL, - .flags = IORESOURCE_IRQ, - }, -}; - -static int __init prepare_phy_irq(int pin) -{ - int irq; - if (gpio_request(pin, "s6gmac_phy") < 0) - goto fail; - if (gpio_direction_input(pin) < 0) - goto free; - irq = gpio_to_irq(pin); - if (irq < 0) - goto free; - if (irq_set_irq_type(irq, IRQ_TYPE_LEVEL_LOW) < 0) - goto free; - return irq; -free: - gpio_free(pin); -fail: - return PHY_POLL; -} - -static struct platform_device platform_devices[] = { - { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = serial_platform_data, - }, - }, - { - .name = "s6gmac", - .id = 0, - .resource = s6_gmac_resource, - .num_resources = ARRAY_SIZE(s6_gmac_resource), - }, - { - I2C_BOARD_INFO("m41t62", S6I2C_ADDR_M41T62), - }, -}; - -static int __init device_init(void) -{ - int i; - - s6_gmac_resource[5].start = prepare_phy_irq(GPIO_PHY_IRQ); - - for (i = 0; i < ARRAY_SIZE(platform_devices); i++) - platform_device_register(&platform_devices[i]); - return 0; -} -arch_initcall_sync(device_init); diff --git a/arch/xtensa/platforms/s6105/include/platform/gpio.h b/arch/xtensa/platforms/s6105/include/platform/gpio.h deleted file mode 100644 index fa11aa4..0000000 --- a/arch/xtensa/platforms/s6105/include/platform/gpio.h +++ /dev/null @@ -1,27 +0,0 @@ -#ifndef __ASM_XTENSA_S6105_GPIO_H -#define __ASM_XTENSA_S6105_GPIO_H - -#define GPIO_BP_TEMP_ALARM 0 -#define GPIO_PB_RESET_IN 1 -#define GPIO_EXP_IRQ 2 -#define GPIO_TRIGGER_IRQ 3 -#define GPIO_RTC_IRQ 4 -#define GPIO_PHY_IRQ 5 -#define GPIO_IMAGER_RESET 6 -#define GPIO_SD_IRQ 7 -#define GPIO_MINI_BOOT_INH 8 -#define GPIO_BOARD_RESET 9 -#define GPIO_EXP_PRESENT 10 -#define GPIO_LED1_NGREEN 12 -#define GPIO_LED1_RED 13 -#define GPIO_LED0_NGREEN 14 -#define GPIO_LED0_NRED 15 -#define GPIO_SPI_CS0 16 -#define GPIO_SPI_CS1 17 -#define GPIO_SPI_CS3 19 -#define GPIO_SPI_CS4 20 -#define GPIO_SD_WP 21 -#define GPIO_BP_RESET 22 -#define GPIO_ALARM_OUT 23 - -#endif /* __ASM_XTENSA_S6105_GPIO_H */ diff --git a/arch/xtensa/platforms/s6105/include/platform/hardware.h b/arch/xtensa/platforms/s6105/include/platform/hardware.h deleted file mode 100644 index d628efa..0000000 --- a/arch/xtensa/platforms/s6105/include/platform/hardware.h +++ /dev/null @@ -1,11 +0,0 @@ -#ifndef __XTENSA_S6105_HARDWARE_H -#define __XTENSA_S6105_HARDWARE_H - -#define PLATFORM_DEFAULT_MEM_START 0x40000000 -#define PLATFORM_DEFAULT_MEM_SIZE 0x08000000 - -#define MAX_DMA_ADDRESS 0 - -#define KERNELOFFSET (PLATFORM_DEFAULT_MEM_START + 0x1000) - -#endif /* __XTENSA_S6105_HARDWARE_H */ diff --git a/arch/xtensa/platforms/s6105/include/platform/serial.h b/arch/xtensa/platforms/s6105/include/platform/serial.h deleted file mode 100644 index c8a771e..0000000 --- a/arch/xtensa/platforms/s6105/include/platform/serial.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef __ASM_XTENSA_S6105_SERIAL_H -#define __ASM_XTENSA_S6105_SERIAL_H - -#include <variant/hardware.h> - -#define BASE_BAUD (S6_SCLK / 16) - -#endif /* __ASM_XTENSA_S6105_SERIAL_H */ diff --git a/arch/xtensa/platforms/s6105/setup.c b/arch/xtensa/platforms/s6105/setup.c deleted file mode 100644 index 86ce730..0000000 --- a/arch/xtensa/platforms/s6105/setup.c +++ /dev/null @@ -1,73 +0,0 @@ -/* - * s6105 control routines - * - * Copyright (c) 2009 emlix GmbH - */ -#include <linux/irq.h> -#include <linux/io.h> -#include <linux/gpio.h> - -#include <asm/bootparam.h> - -#include <variant/hardware.h> -#include <variant/gpio.h> - -#include <platform/gpio.h> - -void platform_halt(void) -{ - local_irq_disable(); - while (1) - ; -} - -void platform_power_off(void) -{ - platform_halt(); -} - -void platform_restart(void) -{ - platform_halt(); -} - -void __init platform_setup(char **cmdline) -{ - unsigned long reg; - - reg = readl(S6_REG_GREG1 + S6_GREG1_PLLSEL); - reg &= ~(S6_GREG1_PLLSEL_GMAC_MASK << S6_GREG1_PLLSEL_GMAC | - S6_GREG1_PLLSEL_GMII_MASK << S6_GREG1_PLLSEL_GMII); - reg |= S6_GREG1_PLLSEL_GMAC_125MHZ << S6_GREG1_PLLSEL_GMAC | - S6_GREG1_PLLSEL_GMII_125MHZ << S6_GREG1_PLLSEL_GMII; - writel(reg, S6_REG_GREG1 + S6_GREG1_PLLSEL); - - reg = readl(S6_REG_GREG1 + S6_GREG1_CLKGATE); - reg &= ~(1 << S6_GREG1_BLOCK_SB); - reg &= ~(1 << S6_GREG1_BLOCK_GMAC); - writel(reg, S6_REG_GREG1 + S6_GREG1_CLKGATE); - - reg = readl(S6_REG_GREG1 + S6_GREG1_BLOCKENA); - reg |= 1 << S6_GREG1_BLOCK_SB; - reg |= 1 << S6_GREG1_BLOCK_GMAC; - writel(reg, S6_REG_GREG1 + S6_GREG1_BLOCKENA); - - printk(KERN_NOTICE "S6105 on Stretch S6000 - " - "Copyright (C) 2009 emlix GmbH <info@emlix.com>\n"); -} - -void __init platform_init(bp_tag_t *first) -{ - s6_gpio_init(0); - gpio_request(GPIO_LED1_NGREEN, "led1_green"); - gpio_request(GPIO_LED1_RED, "led1_red"); - gpio_direction_output(GPIO_LED1_NGREEN, 1); -} - -void platform_heartbeat(void) -{ - static unsigned int c; - - if (!(++c & 0x4F)) - gpio_direction_output(GPIO_LED1_RED, !(c & 0x10)); -} diff --git a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h index aeb316b..6edd20b 100644 --- a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h +++ b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h @@ -17,8 +17,8 @@ /* Memory configuration. */ -#define PLATFORM_DEFAULT_MEM_START 0x00000000 -#define PLATFORM_DEFAULT_MEM_SIZE 0x04000000 +#define PLATFORM_DEFAULT_MEM_START CONFIG_DEFAULT_MEM_START +#define PLATFORM_DEFAULT_MEM_SIZE CONFIG_DEFAULT_MEM_SIZE /* Interrupt configuration. */ diff --git a/arch/xtensa/variants/s6000/Makefile b/arch/xtensa/variants/s6000/Makefile deleted file mode 100644 index 3e7ef0a..0000000 --- a/arch/xtensa/variants/s6000/Makefile +++ /dev/null @@ -1,4 +0,0 @@ -# s6000 Makefile - -obj-y += irq.o gpio.o dmac.o -obj-$(CONFIG_XTENSA_CALIBRATE_CCOUNT) += delay.o diff --git a/arch/xtensa/variants/s6000/delay.c b/arch/xtensa/variants/s6000/delay.c deleted file mode 100644 index 3915456..0000000 --- a/arch/xtensa/variants/s6000/delay.c +++ /dev/null @@ -1,25 +0,0 @@ -#include <asm/timex.h> -#include <asm/io.h> -#include <variant/hardware.h> - -#define LOOPS 10 -void platform_calibrate_ccount(void) -{ - u32 uninitialized_var(a); - u32 uninitialized_var(u); - u32 b; - u32 tstamp = S6_REG_GREG1 + S6_GREG1_GLOBAL_TIMER; - int i = LOOPS+1; - do { - u32 t = u; - asm volatile( - "1: l32i %0, %2, 0 ;" - " beq %0, %1, 1b ;" - : "=&a"(u) : "a"(t), "a"(tstamp)); - b = get_ccount(); - if (i == LOOPS) - a = b; - } while (--i >= 0); - b -= a; - ccount_freq = b * (100000UL / LOOPS); -} diff --git a/arch/xtensa/variants/s6000/dmac.c b/arch/xtensa/variants/s6000/dmac.c deleted file mode 100644 index 340f5bb..0000000 --- a/arch/xtensa/variants/s6000/dmac.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * Authors: Oskar Schirmer <oskar@scara.com> - * Daniel Gloeckner <dg@emlix.com> - * (c) 2008 emlix GmbH http://www.emlix.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include <linux/kernel.h> -#include <linux/io.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/spinlock.h> -#include <asm/cacheflush.h> -#include <variant/dmac.h> - -/* DMA engine lookup */ - -struct s6dmac_ctrl s6dmac_ctrl[S6_DMAC_NB]; - - -/* DMA control, per engine */ - -void s6dmac_put_fifo_cache(u32 dmac, int chan, u32 src, u32 dst, u32 size) -{ - if (xtensa_need_flush_dma_source(src)) { - u32 base = src; - u32 span = size; - u32 chunk = readl(DMA_CHNL(dmac, chan) + S6_DMA_CMONCHUNK); - if (chunk && (size > chunk)) { - s32 skip = - readl(DMA_CHNL(dmac, chan) + S6_DMA_SRCSKIP); - u32 gaps = (size+chunk-1)/chunk - 1; - if (skip >= 0) { - span += gaps * skip; - } else if (-skip > chunk) { - s32 decr = gaps * (chunk + skip); - base += decr; - span = chunk - decr; - } else { - span = max(span + gaps * skip, - (chunk + skip) * gaps - skip); - } - } - flush_dcache_unaligned(base, span); - } - if (xtensa_need_invalidate_dma_destination(dst)) { - u32 base = dst; - u32 span = size; - u32 chunk = readl(DMA_CHNL(dmac, chan) + S6_DMA_CMONCHUNK); - if (chunk && (size > chunk)) { - s32 skip = - readl(DMA_CHNL(dmac, chan) + S6_DMA_DSTSKIP); - u32 gaps = (size+chunk-1)/chunk - 1; - if (skip >= 0) { - span += gaps * skip; - } else if (-skip > chunk) { - s32 decr = gaps * (chunk + skip); - base += decr; - span = chunk - decr; - } else { - span = max(span + gaps * skip, - (chunk + skip) * gaps - skip); - } - } - invalidate_dcache_unaligned(base, span); - } - s6dmac_put_fifo(dmac, chan, src, dst, size); -} - -void s6dmac_disable_error_irqs(u32 dmac, u32 mask) -{ - unsigned long flags; - spinlock_t *spinl = &s6dmac_ctrl[_dmac_addr_index(dmac)].lock; - spin_lock_irqsave(spinl, flags); - _s6dmac_disable_error_irqs(dmac, mask); - spin_unlock_irqrestore(spinl, flags); -} - -u32 s6dmac_int_sources(u32 dmac, u32 channel) -{ - u32 mask, ret, tmp; - mask = 1 << channel; - - tmp = readl(dmac + S6_DMA_TERMCNTIRQSTAT); - tmp &= mask; - writel(tmp, dmac + S6_DMA_TERMCNTIRQCLR); - ret = tmp >> channel; - - tmp = readl(dmac + S6_DMA_PENDCNTIRQSTAT); - tmp &= mask; - writel(tmp, dmac + S6_DMA_PENDCNTIRQCLR); - ret |= (tmp >> channel) << 1; - - tmp = readl(dmac + S6_DMA_LOWWMRKIRQSTAT); - tmp &= mask; - writel(tmp, dmac + S6_DMA_LOWWMRKIRQCLR); - ret |= (tmp >> channel) << 2; - - tmp = readl(dmac + S6_DMA_INTRAW0); - tmp &= (mask << S6_DMA_INT0_OVER) | (mask << S6_DMA_INT0_UNDER); - writel(tmp, dmac + S6_DMA_INTCLEAR0); - - if (tmp & (mask << S6_DMA_INT0_UNDER)) - ret |= 1 << 3; - if (tmp & (mask << S6_DMA_INT0_OVER)) - ret |= 1 << 4; - - tmp = readl(dmac + S6_DMA_MASTERERRINFO); - mask <<= S6_DMA_INT1_CHANNEL; - if (((tmp >> S6_DMA_MASTERERR_CHAN(0)) & S6_DMA_MASTERERR_CHAN_MASK) - == channel) - mask |= 1 << S6_DMA_INT1_MASTER; - if (((tmp >> S6_DMA_MASTERERR_CHAN(1)) & S6_DMA_MASTERERR_CHAN_MASK) - == channel) - mask |= 1 << (S6_DMA_INT1_MASTER + 1); - if (((tmp >> S6_DMA_MASTERERR_CHAN(2)) & S6_DMA_MASTERERR_CHAN_MASK) - == channel) - mask |= 1 << (S6_DMA_INT1_MASTER + 2); - - tmp = readl(dmac + S6_DMA_INTRAW1) & mask; - writel(tmp, dmac + S6_DMA_INTCLEAR1); - ret |= ((tmp >> channel) & 1) << 5; - ret |= ((tmp >> S6_DMA_INT1_MASTER) & S6_DMA_INT1_MASTER_MASK) << 6; - - return ret; -} - -void s6dmac_release_chan(u32 dmac, int chan) -{ - if (chan >= 0) - s6dmac_disable_chan(dmac, chan); -} - - -/* global init */ - -static inline void __init dmac_init(u32 dmac, u8 chan_nb) -{ - s6dmac_ctrl[S6_DMAC_INDEX(dmac)].dmac = dmac; - spin_lock_init(&s6dmac_ctrl[S6_DMAC_INDEX(dmac)].lock); - s6dmac_ctrl[S6_DMAC_INDEX(dmac)].chan_nb = chan_nb; - writel(S6_DMA_INT1_MASTER_MASK << S6_DMA_INT1_MASTER, - dmac + S6_DMA_INTCLEAR1); -} - -static inline void __init dmac_master(u32 dmac, - u32 m0start, u32 m0end, u32 m1start, u32 m1end) -{ - writel(m0start, dmac + S6_DMA_MASTER0START); - writel(m0end - 1, dmac + S6_DMA_MASTER0END); - writel(m1start, dmac + S6_DMA_MASTER1START); - writel(m1end - 1, dmac + S6_DMA_MASTER1END); -} - -static void __init s6_dmac_init(void) -{ - dmac_init(S6_REG_LMSDMA, S6_LMSDMA_NB); - dmac_master(S6_REG_LMSDMA, - S6_MEM_DDR, S6_MEM_PCIE_APER, S6_MEM_EFI, S6_MEM_GMAC); - dmac_init(S6_REG_NIDMA, S6_NIDMA_NB); - dmac_init(S6_REG_DPDMA, S6_DPDMA_NB); - dmac_master(S6_REG_DPDMA, - S6_MEM_DDR, S6_MEM_PCIE_APER, S6_REG_DP, S6_REG_DPDMA); - dmac_init(S6_REG_HIFDMA, S6_HIFDMA_NB); - dmac_master(S6_REG_HIFDMA, - S6_MEM_GMAC, S6_MEM_PCIE_CFG, S6_MEM_PCIE_APER, S6_MEM_AUX); -} - -arch_initcall(s6_dmac_init); diff --git a/arch/xtensa/variants/s6000/gpio.c b/arch/xtensa/variants/s6000/gpio.c deleted file mode 100644 index da9e85c..0000000 --- a/arch/xtensa/variants/s6000/gpio.c +++ /dev/null @@ -1,230 +0,0 @@ -/* - * s6000 gpio driver - * - * Copyright (c) 2009 emlix GmbH - * Authors: Oskar Schirmer <oskar@scara.com> - * Johannes Weiner <hannes@cmpxchg.org> - * Daniel Gloeckner <dg@emlix.com> - */ -#include <linux/bitops.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/irq.h> -#include <linux/gpio.h> - -#include <variant/hardware.h> - -#define IRQ_BASE XTENSA_NR_IRQS - -#define S6_GPIO_DATA 0x000 -#define S6_GPIO_IS 0x404 -#define S6_GPIO_IBE 0x408 -#define S6_GPIO_IEV 0x40C -#define S6_GPIO_IE 0x410 -#define S6_GPIO_RIS 0x414 -#define S6_GPIO_MIS 0x418 -#define S6_GPIO_IC 0x41C -#define S6_GPIO_AFSEL 0x420 -#define S6_GPIO_DIR 0x800 -#define S6_GPIO_BANK(nr) ((nr) * 0x1000) -#define S6_GPIO_MASK(nr) (4 << (nr)) -#define S6_GPIO_OFFSET(nr) \ - (S6_GPIO_BANK((nr) >> 3) + S6_GPIO_MASK((nr) & 7)) - -static int direction_input(struct gpio_chip *chip, unsigned int off) -{ - writeb(0, S6_REG_GPIO + S6_GPIO_DIR + S6_GPIO_OFFSET(off)); - return 0; -} - -static int get(struct gpio_chip *chip, unsigned int off) -{ - return readb(S6_REG_GPIO + S6_GPIO_DATA + S6_GPIO_OFFSET(off)); -} - -static int direction_output(struct gpio_chip *chip, unsigned int off, int val) -{ - unsigned rel = S6_GPIO_OFFSET(off); - writeb(~0, S6_REG_GPIO + S6_GPIO_DIR + rel); - writeb(val ? ~0 : 0, S6_REG_GPIO + S6_GPIO_DATA + rel); - return 0; -} - -static void set(struct gpio_chip *chip, unsigned int off, int val) -{ - writeb(val ? ~0 : 0, S6_REG_GPIO + S6_GPIO_DATA + S6_GPIO_OFFSET(off)); -} - -static int to_irq(struct gpio_chip *chip, unsigned offset) -{ - if (offset < 8) - return offset + IRQ_BASE; - return -EINVAL; -} - -static struct gpio_chip gpiochip = { - .owner = THIS_MODULE, - .direction_input = direction_input, - .get = get, - .direction_output = direction_output, - .set = set, - .to_irq = to_irq, - .base = 0, - .ngpio = 24, - .can_sleep = 0, /* no blocking io needed */ - .exported = 0, /* no exporting to userspace */ -}; - -int s6_gpio_init(u32 afsel) -{ - writeb(afsel, S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_AFSEL); - writeb(afsel >> 8, S6_REG_GPIO + S6_GPIO_BANK(1) + S6_GPIO_AFSEL); - writeb(afsel >> 16, S6_REG_GPIO + S6_GPIO_BANK(2) + S6_GPIO_AFSEL); - return gpiochip_add(&gpiochip); -} - -static void ack(struct irq_data *d) -{ - writeb(1 << (d->irq - IRQ_BASE), S6_REG_GPIO + S6_GPIO_IC); -} - -static void mask(struct irq_data *d) -{ - u8 r = readb(S6_REG_GPIO + S6_GPIO_IE); - r &= ~(1 << (d->irq - IRQ_BASE)); - writeb(r, S6_REG_GPIO + S6_GPIO_IE); -} - -static void unmask(struct irq_data *d) -{ - u8 m = readb(S6_REG_GPIO + S6_GPIO_IE); - m |= 1 << (d->irq - IRQ_BASE); - writeb(m, S6_REG_GPIO + S6_GPIO_IE); -} - -static int set_type(struct irq_data *d, unsigned int type) -{ - const u8 m = 1 << (d->irq - IRQ_BASE); - irq_flow_handler_t handler; - u8 reg; - - if (type == IRQ_TYPE_PROBE) { - if ((readb(S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_AFSEL) & m) - || (readb(S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_IE) & m) - || readb(S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_DIR - + S6_GPIO_MASK(irq - IRQ_BASE))) - return 0; - type = IRQ_TYPE_EDGE_BOTH; - } - - reg = readb(S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_IS); - if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) { - reg |= m; - handler = handle_level_irq; - } else { - reg &= ~m; - handler = handle_edge_irq; - } - writeb(reg, S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_IS); - __irq_set_handler_locked(irq, handler); - - reg = readb(S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_IEV); - if (type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_EDGE_RISING)) - reg |= m; - else - reg &= ~m; - writeb(reg, S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_IEV); - - reg = readb(S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_IBE); - if ((type & IRQ_TYPE_EDGE_BOTH) == IRQ_TYPE_EDGE_BOTH) - reg |= m; - else - reg &= ~m; - writeb(reg, S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_IBE); - return 0; -} - -static struct irq_chip gpioirqs = { - .name = "GPIO", - .irq_ack = ack, - .irq_mask = mask, - .irq_unmask = unmask, - .irq_set_type = set_type, -}; - -static u8 demux_masks[4]; - -static void demux_irqs(unsigned int irq, struct irq_desc *desc) -{ - struct irq_chip *chip = irq_desc_get_chip(desc); - u8 *mask = irq_desc_get_handler_data(desc); - u8 pending; - int cirq; - - chip->irq_mask(&desc->irq_data); - chip->irq_ack(&desc->irq_data); - pending = readb(S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_MIS) & *mask; - cirq = IRQ_BASE - 1; - while (pending) { - int n = ffs(pending); - cirq += n; - pending >>= n; - generic_handle_irq(cirq); - } - chip->irq_unmask(&desc->irq_data); -} - -extern const signed char *platform_irq_mappings[XTENSA_NR_IRQS]; - -void __init variant_init_irq(void) -{ - int irq, n; - writeb(0, S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_IE); - for (irq = n = 0; irq < XTENSA_NR_IRQS; irq++) { - const signed char *mapping = platform_irq_mappings[irq]; - int alone = 1; - u8 mask; - if (!mapping) - continue; - for(mask = 0; *mapping != -1; mapping++) - switch (*mapping) { - case S6_INTC_GPIO(0): - mask |= 1 << 0; - break; - case S6_INTC_GPIO(1): - mask |= 1 << 1; - break; - case S6_INTC_GPIO(2): - mask |= 1 << 2; - break; - case S6_INTC_GPIO(3): - mask |= 0x1f << 3; - break; - default: - alone = 0; - } - if (mask) { - int cirq, i; - if (!alone) { - printk(KERN_ERR "chained irq chips can't share" - " parent irq %i\n", irq); - continue; - } - demux_masks[n] = mask; - cirq = IRQ_BASE - 1; - do { - i = ffs(mask); - cirq += i; - mask >>= i; - irq_set_chip(cirq, &gpioirqs); - irq_set_irq_type(irq, IRQ_TYPE_LEVEL_LOW); - } while (mask); - irq_set_handler_data(irq, demux_masks + n); - irq_set_chained_handler(irq, demux_irqs); - if (++n == ARRAY_SIZE(demux_masks)) - break; - } - } -} diff --git a/arch/xtensa/variants/s6000/include/variant/core.h b/arch/xtensa/variants/s6000/include/variant/core.h deleted file mode 100644 index af00795..0000000 --- a/arch/xtensa/variants/s6000/include/variant/core.h +++ /dev/null @@ -1,431 +0,0 @@ -/* - * Xtensa processor core configuration information. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (c) 1999-2008 Tensilica Inc. - */ - -#ifndef _XTENSA_CORE_CONFIGURATION_H -#define _XTENSA_CORE_CONFIGURATION_H - - -/**************************************************************************** - Parameters Useful for Any Code, USER or PRIVILEGED - ****************************************************************************/ - -/* - * Note: Macros of the form XCHAL_HAVE_*** have a value of 1 if the option is - * configured, and a value of 0 otherwise. These macros are always defined. - */ - - -/*---------------------------------------------------------------------- - ISA - ----------------------------------------------------------------------*/ - -#define XCHAL_HAVE_BE 0 /* big-endian byte ordering */ -#define XCHAL_HAVE_WINDOWED 1 /* windowed registers option */ -#define XCHAL_NUM_AREGS 64 /* num of physical addr regs */ -#define XCHAL_NUM_AREGS_LOG2 6 /* log2(XCHAL_NUM_AREGS) */ -#define XCHAL_MAX_INSTRUCTION_SIZE 8 /* max instr bytes (3..8) */ -#define XCHAL_HAVE_DEBUG 1 /* debug option */ -#define XCHAL_HAVE_DENSITY 1 /* 16-bit instructions */ -#define XCHAL_HAVE_LOOPS 1 /* zero-overhead loops */ -#define XCHAL_HAVE_NSA 1 /* NSA/NSAU instructions */ -#define XCHAL_HAVE_MINMAX 1 /* MIN/MAX instructions */ -#define XCHAL_HAVE_SEXT 1 /* SEXT instruction */ -#define XCHAL_HAVE_CLAMPS 1 /* CLAMPS instruction */ -#define XCHAL_HAVE_MUL16 1 /* MUL16S/MUL16U instructions */ -#define XCHAL_HAVE_MUL32 1 /* MULL instruction */ -#define XCHAL_HAVE_MUL32_HIGH 1 /* MULUH/MULSH instructions */ -#define XCHAL_HAVE_DIV32 0 /* QUOS/QUOU/REMS/REMU instructions */ -#define XCHAL_HAVE_L32R 1 /* L32R instruction */ -#define XCHAL_HAVE_ABSOLUTE_LITERALS 1 /* non-PC-rel (extended) L32R */ -#define XCHAL_HAVE_CONST16 0 /* CONST16 instruction */ -#define XCHAL_HAVE_ADDX 1 /* ADDX#/SUBX# instructions */ -#define XCHAL_HAVE_WIDE_BRANCHES 0 /* B*.W18 or B*.W15 instr's */ -#define XCHAL_HAVE_PREDICTED_BRANCHES 0 /* B[EQ/EQZ/NE/NEZ]T instr's */ -#define XCHAL_HAVE_CALL4AND12 1 /* (obsolete option) */ -#define XCHAL_HAVE_ABS 1 /* ABS instruction */ -/*#define XCHAL_HAVE_POPC 0*/ /* POPC instruction */ -/*#define XCHAL_HAVE_CRC 0*/ /* CRC instruction */ -#define XCHAL_HAVE_RELEASE_SYNC 0 /* L32AI/S32RI instructions */ -#define XCHAL_HAVE_S32C1I 0 /* S32C1I instruction */ -#define XCHAL_HAVE_SPECULATION 0 /* speculation */ -#define XCHAL_HAVE_FULL_RESET 0 /* all regs/state reset */ -#define XCHAL_NUM_CONTEXTS 1 /* */ -#define XCHAL_NUM_MISC_REGS 4 /* num of scratch regs (0..4) */ -#define XCHAL_HAVE_TAP_MASTER 0 /* JTAG TAP control instr's */ -#define XCHAL_HAVE_PRID 0 /* processor ID register */ -#define XCHAL_HAVE_THREADPTR 0 /* THREADPTR register */ -#define XCHAL_HAVE_BOOLEANS 1 /* boolean registers */ -#define XCHAL_HAVE_CP 1 /* CPENABLE reg (coprocessor) */ -#define XCHAL_CP_MAXCFG 8 /* max allowed cp id plus one */ -#define XCHAL_HAVE_MAC16 0 /* MAC16 package */ -#define XCHAL_HAVE_VECTORFPU2005 0 /* vector floating-point pkg */ -#define XCHAL_HAVE_FP 1 /* floating point pkg */ -#define XCHAL_HAVE_VECTRA1 0 /* Vectra I pkg */ -#define XCHAL_HAVE_VECTRALX 0 /* Vectra LX pkg */ -#define XCHAL_HAVE_HIFI2 0 /* HiFi2 Audio Engine pkg */ - - -/*---------------------------------------------------------------------- - MISC - ----------------------------------------------------------------------*/ - -#define XCHAL_NUM_WRITEBUFFER_ENTRIES 8 /* size of write buffer */ -#define XCHAL_INST_FETCH_WIDTH 8 /* instr-fetch width in bytes */ -#define XCHAL_DATA_WIDTH 16 /* data width in bytes */ -/* In T1050, applies to selected core load and store instructions (see ISA): */ -#define XCHAL_UNALIGNED_LOAD_EXCEPTION 1 /* unaligned loads cause exc. */ -#define XCHAL_UNALIGNED_STORE_EXCEPTION 1 /* unaligned stores cause exc.*/ - -#define XCHAL_SW_VERSION 701001 /* sw version of this header */ - -#define XCHAL_CORE_ID "stretch_bali" /* alphanum core name - (CoreID) set in the Xtensa - Processor Generator */ - -#define XCHAL_BUILD_UNIQUE_ID 0x000104B9 /* 22-bit sw build ID */ - -/* - * These definitions describe the hardware targeted by this software. - */ -#define XCHAL_HW_CONFIGID0 0xC2F3F9FE /* ConfigID hi 32 bits*/ -#define XCHAL_HW_CONFIGID1 0x054104B9 /* ConfigID lo 32 bits*/ -#define XCHAL_HW_VERSION_NAME "LX1.0.2" /* full version name */ -#define XCHAL_HW_VERSION_MAJOR 2100 /* major ver# of targeted hw */ -#define XCHAL_HW_VERSION_MINOR 2 /* minor ver# of targeted hw */ -#define XCHAL_HW_VERSION 210002 /* major*100+minor */ -#define XCHAL_HW_REL_LX1 1 -#define XCHAL_HW_REL_LX1_0 1 -#define XCHAL_HW_REL_LX1_0_2 1 -#define XCHAL_HW_CONFIGID_RELIABLE 1 -/* If software targets a *range* of hardware versions, these are the bounds: */ -#define XCHAL_HW_MIN_VERSION_MAJOR 2100 /* major v of earliest tgt hw */ -#define XCHAL_HW_MIN_VERSION_MINOR 2 /* minor v of earliest tgt hw */ -#define XCHAL_HW_MIN_VERSION 210002 /* earliest targeted hw */ -#define XCHAL_HW_MAX_VERSION_MAJOR 2100 /* major v of latest tgt hw */ -#define XCHAL_HW_MAX_VERSION_MINOR 2 /* minor v of latest tgt hw */ -#define XCHAL_HW_MAX_VERSION 210002 /* latest targeted hw */ - - -/*---------------------------------------------------------------------- - CACHE - ----------------------------------------------------------------------*/ - -#define XCHAL_ICACHE_LINESIZE 16 /* I-cache line size in bytes */ -#define XCHAL_DCACHE_LINESIZE 16 /* D-cache line size in bytes */ -#define XCHAL_ICACHE_LINEWIDTH 4 /* log2(I line size in bytes) */ -#define XCHAL_DCACHE_LINEWIDTH 4 /* log2(D line size in bytes) */ - -#define XCHAL_ICACHE_SIZE 32768 /* I-cache size in bytes or 0 */ -#define XCHAL_DCACHE_SIZE 32768 /* D-cache size in bytes or 0 */ - -#define XCHAL_DCACHE_IS_WRITEBACK 1 /* writeback feature */ - - - - -/**************************************************************************** - Parameters Useful for PRIVILEGED (Supervisory or Non-Virtualized) Code - ****************************************************************************/ - - -#ifndef XTENSA_HAL_NON_PRIVILEGED_ONLY - -/*---------------------------------------------------------------------- - CACHE - ----------------------------------------------------------------------*/ - -#define XCHAL_HAVE_PIF 1 /* any outbound PIF present */ - -/* If present, cache size in bytes == (ways * 2^(linewidth + setwidth)). */ - -/* Number of cache sets in log2(lines per way): */ -#define XCHAL_ICACHE_SETWIDTH 9 -#define XCHAL_DCACHE_SETWIDTH 10 - -/* Cache set associativity (number of ways): */ -#define XCHAL_ICACHE_WAYS 4 -#define XCHAL_DCACHE_WAYS 2 - -/* Cache features: */ -#define XCHAL_ICACHE_LINE_LOCKABLE 1 -#define XCHAL_DCACHE_LINE_LOCKABLE 0 -#define XCHAL_ICACHE_ECC_PARITY 0 -#define XCHAL_DCACHE_ECC_PARITY 0 - -/* Number of encoded cache attr bits (see <xtensa/hal.h> for decoded bits): */ -#define XCHAL_CA_BITS 4 - - -/*---------------------------------------------------------------------- - INTERNAL I/D RAM/ROMs and XLMI - ----------------------------------------------------------------------*/ - -#define XCHAL_NUM_INSTROM 0 /* number of core instr. ROMs */ -#define XCHAL_NUM_INSTRAM 0 /* number of core instr. RAMs */ -#define XCHAL_NUM_DATAROM 0 /* number of core data ROMs */ -#define XCHAL_NUM_DATARAM 1 /* number of core data RAMs */ -#define XCHAL_NUM_URAM 0 /* number of core unified RAMs*/ -#define XCHAL_NUM_XLMI 1 /* number of core XLMI ports */ - -/* Data RAM 0: */ -#define XCHAL_DATARAM0_VADDR 0x3FFF0000 -#define XCHAL_DATARAM0_PADDR 0x3FFF0000 -#define XCHAL_DATARAM0_SIZE 65536 -#define XCHAL_DATARAM0_ECC_PARITY 0 - -/* XLMI Port 0: */ -#define XCHAL_XLMI0_VADDR 0x37F80000 -#define XCHAL_XLMI0_PADDR 0x37F80000 -#define XCHAL_XLMI0_SIZE 262144 -#define XCHAL_XLMI0_ECC_PARITY 0 - - -/*---------------------------------------------------------------------- - INTERRUPTS and TIMERS - ----------------------------------------------------------------------*/ - -#define XCHAL_HAVE_INTERRUPTS 1 /* interrupt option */ -#define XCHAL_HAVE_HIGHPRI_INTERRUPTS 1 /* med/high-pri. interrupts */ -#define XCHAL_HAVE_NMI 1 /* non-maskable interrupt */ -#define XCHAL_HAVE_CCOUNT 1 /* CCOUNT reg. (timer option) */ -#define XCHAL_NUM_TIMERS 3 /* number of CCOMPAREn regs */ -#define XCHAL_NUM_INTERRUPTS 27 /* number of interrupts */ -#define XCHAL_NUM_INTERRUPTS_LOG2 5 /* ceil(log2(NUM_INTERRUPTS)) */ -#define XCHAL_NUM_EXTINTERRUPTS 20 /* num of external interrupts */ -#define XCHAL_NUM_INTLEVELS 4 /* number of interrupt levels - (not including level zero) */ -#define XCHAL_EXCM_LEVEL 1 /* level masked by PS.EXCM */ - /* (always 1 in XEA1; levels 2 .. EXCM_LEVEL are "medium priority") */ - -/* Masks of interrupts at each interrupt level: */ -#define XCHAL_INTLEVEL1_MASK 0x01F07FFF -#define XCHAL_INTLEVEL2_MASK 0x02018000 -#define XCHAL_INTLEVEL3_MASK 0x04060000 -#define XCHAL_INTLEVEL4_MASK 0x00000000 -#define XCHAL_INTLEVEL5_MASK 0x00080000 -#define XCHAL_INTLEVEL6_MASK 0x00000000 -#define XCHAL_INTLEVEL7_MASK 0x00000000 - -/* Masks of interrupts at each range 1..n of interrupt levels: */ -#define XCHAL_INTLEVEL1_ANDBELOW_MASK 0x01F07FFF -#define XCHAL_INTLEVEL2_ANDBELOW_MASK 0x03F1FFFF -#define XCHAL_INTLEVEL3_ANDBELOW_MASK 0x07F7FFFF -#define XCHAL_INTLEVEL4_ANDBELOW_MASK 0x07F7FFFF -#define XCHAL_INTLEVEL5_ANDBELOW_MASK 0x07FFFFFF -#define XCHAL_INTLEVEL6_ANDBELOW_MASK 0x07FFFFFF -#define XCHAL_INTLEVEL7_ANDBELOW_MASK 0x07FFFFFF - -/* Level of each interrupt: */ -#define XCHAL_INT0_LEVEL 1 -#define XCHAL_INT1_LEVEL 1 -#define XCHAL_INT2_LEVEL 1 -#define XCHAL_INT3_LEVEL 1 -#define XCHAL_INT4_LEVEL 1 -#define XCHAL_INT5_LEVEL 1 -#define XCHAL_INT6_LEVEL 1 -#define XCHAL_INT7_LEVEL 1 -#define XCHAL_INT8_LEVEL 1 -#define XCHAL_INT9_LEVEL 1 -#define XCHAL_INT10_LEVEL 1 -#define XCHAL_INT11_LEVEL 1 -#define XCHAL_INT12_LEVEL 1 -#define XCHAL_INT13_LEVEL 1 -#define XCHAL_INT14_LEVEL 1 -#define XCHAL_INT15_LEVEL 2 -#define XCHAL_INT16_LEVEL 2 -#define XCHAL_INT17_LEVEL 3 -#define XCHAL_INT18_LEVEL 3 -#define XCHAL_INT19_LEVEL 5 -#define XCHAL_INT20_LEVEL 1 -#define XCHAL_INT21_LEVEL 1 -#define XCHAL_INT22_LEVEL 1 -#define XCHAL_INT23_LEVEL 1 -#define XCHAL_INT24_LEVEL 1 -#define XCHAL_INT25_LEVEL 2 -#define XCHAL_INT26_LEVEL 3 -#define XCHAL_DEBUGLEVEL 4 /* debug interrupt level */ -#define XCHAL_HAVE_DEBUG_EXTERN_INT 1 /* OCD external db interrupt */ -#define XCHAL_NMILEVEL 5 /* NMI "level" (for use with - EXCSAVE/EPS/EPC_n, RFI n) */ - -/* Type of each interrupt: */ -#define XCHAL_INT0_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT1_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT2_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT3_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT4_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT5_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT6_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT7_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT8_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT9_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT10_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT11_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT12_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT13_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT14_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT15_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT16_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT17_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT18_TYPE XTHAL_INTTYPE_EXTERN_LEVEL -#define XCHAL_INT19_TYPE XTHAL_INTTYPE_NMI -#define XCHAL_INT20_TYPE XTHAL_INTTYPE_SOFTWARE -#define XCHAL_INT21_TYPE XTHAL_INTTYPE_SOFTWARE -#define XCHAL_INT22_TYPE XTHAL_INTTYPE_SOFTWARE -#define XCHAL_INT23_TYPE XTHAL_INTTYPE_SOFTWARE -#define XCHAL_INT24_TYPE XTHAL_INTTYPE_TIMER -#define XCHAL_INT25_TYPE XTHAL_INTTYPE_TIMER -#define XCHAL_INT26_TYPE XTHAL_INTTYPE_TIMER - -/* Masks of interrupts for each type of interrupt: */ -#define XCHAL_INTTYPE_MASK_UNCONFIGURED 0xF8000000 -#define XCHAL_INTTYPE_MASK_SOFTWARE 0x00F00000 -#define XCHAL_INTTYPE_MASK_EXTERN_EDGE 0x00000000 -#define XCHAL_INTTYPE_MASK_EXTERN_LEVEL 0x0007FFFF -#define XCHAL_INTTYPE_MASK_TIMER 0x07000000 -#define XCHAL_INTTYPE_MASK_NMI 0x00080000 -#define XCHAL_INTTYPE_MASK_WRITE_ERROR 0x00000000 - -/* Interrupt numbers assigned to specific interrupt sources: */ -#define XCHAL_TIMER0_INTERRUPT 24 /* CCOMPARE0 */ -#define XCHAL_TIMER1_INTERRUPT 25 /* CCOMPARE1 */ -#define XCHAL_TIMER2_INTERRUPT 26 /* CCOMPARE2 */ -#define XCHAL_TIMER3_INTERRUPT XTHAL_TIMER_UNCONFIGURED -#define XCHAL_NMI_INTERRUPT 19 /* non-maskable interrupt */ - -/* Interrupt numbers for levels at which only one interrupt is configured: */ -#define XCHAL_INTLEVEL5_NUM 19 -/* (There are many interrupts each at level(s) 1, 2, 3.) */ - - -/* - * External interrupt vectors/levels. - * These macros describe how Xtensa processor interrupt numbers - * (as numbered internally, eg. in INTERRUPT and INTENABLE registers) - * map to external BInterrupt<n> pins, for those interrupts - * configured as external (level-triggered, edge-triggered, or NMI). - * See the Xtensa processor databook for more details. - */ - -/* Core interrupt numbers mapped to each EXTERNAL interrupt number: */ -#define XCHAL_EXTINT0_NUM 0 /* (intlevel 1) */ -#define XCHAL_EXTINT1_NUM 1 /* (intlevel 1) */ -#define XCHAL_EXTINT2_NUM 2 /* (intlevel 1) */ -#define XCHAL_EXTINT3_NUM 3 /* (intlevel 1) */ -#define XCHAL_EXTINT4_NUM 4 /* (intlevel 1) */ -#define XCHAL_EXTINT5_NUM 5 /* (intlevel 1) */ -#define XCHAL_EXTINT6_NUM 6 /* (intlevel 1) */ -#define XCHAL_EXTINT7_NUM 7 /* (intlevel 1) */ -#define XCHAL_EXTINT8_NUM 8 /* (intlevel 1) */ -#define XCHAL_EXTINT9_NUM 9 /* (intlevel 1) */ -#define XCHAL_EXTINT10_NUM 10 /* (intlevel 1) */ -#define XCHAL_EXTINT11_NUM 11 /* (intlevel 1) */ -#define XCHAL_EXTINT12_NUM 12 /* (intlevel 1) */ -#define XCHAL_EXTINT13_NUM 13 /* (intlevel 1) */ -#define XCHAL_EXTINT14_NUM 14 /* (intlevel 1) */ -#define XCHAL_EXTINT15_NUM 15 /* (intlevel 2) */ -#define XCHAL_EXTINT16_NUM 16 /* (intlevel 2) */ -#define XCHAL_EXTINT17_NUM 17 /* (intlevel 3) */ -#define XCHAL_EXTINT18_NUM 18 /* (intlevel 3) */ -#define XCHAL_EXTINT19_NUM 19 /* (intlevel 5) */ - - -/*---------------------------------------------------------------------- - EXCEPTIONS and VECTORS - ----------------------------------------------------------------------*/ - -#define XCHAL_XEA_VERSION 2 /* Xtensa Exception Architecture - number: 1 == XEA1 (old) - 2 == XEA2 (new) - 0 == XEAX (extern) */ -#define XCHAL_HAVE_XEA1 0 /* Exception Architecture 1 */ -#define XCHAL_HAVE_XEA2 1 /* Exception Architecture 2 */ -#define XCHAL_HAVE_XEAX 0 /* External Exception Arch. */ -#define XCHAL_HAVE_EXCEPTIONS 1 /* exception option */ -#define XCHAL_HAVE_MEM_ECC_PARITY 0 /* local memory ECC/parity */ -#define XCHAL_HAVE_VECTOR_SELECT 0 /* relocatable vectors */ -#define XCHAL_HAVE_VECBASE 0 /* relocatable vectors */ - -#define XCHAL_RESET_VECOFS 0x00000000 -#define XCHAL_RESET_VECTOR_VADDR 0x3FFE03D0 -#define XCHAL_RESET_VECTOR_PADDR 0x3FFE03D0 -#define XCHAL_USER_VECOFS 0x00000000 -#define XCHAL_USER_VECTOR_VADDR 0x40000220 -#define XCHAL_USER_VECTOR_PADDR 0x40000220 -#define XCHAL_KERNEL_VECOFS 0x00000000 -#define XCHAL_KERNEL_VECTOR_VADDR 0x40000200 -#define XCHAL_KERNEL_VECTOR_PADDR 0x40000200 -#define XCHAL_DOUBLEEXC_VECOFS 0x00000000 -#define XCHAL_DOUBLEEXC_VECTOR_VADDR 0x400002A0 -#define XCHAL_DOUBLEEXC_VECTOR_PADDR 0x400002A0 -#define XCHAL_WINDOW_OF4_VECOFS 0x00000000 -#define XCHAL_WINDOW_UF4_VECOFS 0x00000040 -#define XCHAL_WINDOW_OF8_VECOFS 0x00000080 -#define XCHAL_WINDOW_UF8_VECOFS 0x000000C0 -#define XCHAL_WINDOW_OF12_VECOFS 0x00000100 -#define XCHAL_WINDOW_UF12_VECOFS 0x00000140 -#define XCHAL_WINDOW_VECTORS_VADDR 0x40000000 -#define XCHAL_WINDOW_VECTORS_PADDR 0x40000000 -#define XCHAL_INTLEVEL2_VECOFS 0x00000000 -#define XCHAL_INTLEVEL2_VECTOR_VADDR 0x40000240 -#define XCHAL_INTLEVEL2_VECTOR_PADDR 0x40000240 -#define XCHAL_INTLEVEL3_VECOFS 0x00000000 -#define XCHAL_INTLEVEL3_VECTOR_VADDR 0x40000260 -#define XCHAL_INTLEVEL3_VECTOR_PADDR 0x40000260 -#define XCHAL_INTLEVEL4_VECOFS 0x00000000 -#define XCHAL_INTLEVEL4_VECTOR_VADDR 0x40000390 -#define XCHAL_INTLEVEL4_VECTOR_PADDR 0x40000390 -#define XCHAL_DEBUG_VECOFS XCHAL_INTLEVEL4_VECOFS -#define XCHAL_DEBUG_VECTOR_VADDR XCHAL_INTLEVEL4_VECTOR_VADDR -#define XCHAL_DEBUG_VECTOR_PADDR XCHAL_INTLEVEL4_VECTOR_PADDR -#define XCHAL_NMI_VECOFS 0x00000000 -#define XCHAL_NMI_VECTOR_VADDR 0x400003B0 -#define XCHAL_NMI_VECTOR_PADDR 0x400003B0 -#define XCHAL_INTLEVEL5_VECOFS XCHAL_NMI_VECOFS -#define XCHAL_INTLEVEL5_VECTOR_VADDR XCHAL_NMI_VECTOR_VADDR -#define XCHAL_INTLEVEL5_VECTOR_PADDR XCHAL_NMI_VECTOR_PADDR - - -/*---------------------------------------------------------------------- - DEBUG - ----------------------------------------------------------------------*/ - -#define XCHAL_HAVE_OCD 1 /* OnChipDebug option */ -#define XCHAL_NUM_IBREAK 2 /* number of IBREAKn regs */ -#define XCHAL_NUM_DBREAK 2 /* number of DBREAKn regs */ -#define XCHAL_HAVE_OCD_DIR_ARRAY 1 /* faster OCD option */ - - -/*---------------------------------------------------------------------- - MMU - ----------------------------------------------------------------------*/ - -/* See core-matmap.h header file for more details. */ - -#define XCHAL_HAVE_TLBS 1 /* inverse of HAVE_CACHEATTR */ -#define XCHAL_HAVE_SPANNING_WAY 1 /* one way maps I+D 4GB vaddr */ -#define XCHAL_HAVE_IDENTITY_MAP 1 /* vaddr == paddr always */ -#define XCHAL_HAVE_CACHEATTR 0 /* CACHEATTR register present */ -#define XCHAL_HAVE_MIMIC_CACHEATTR 1 /* region protection */ -#define XCHAL_HAVE_XLT_CACHEATTR 0 /* region prot. w/translation */ -#define XCHAL_HAVE_PTP_MMU 0 /* full MMU (with page table - [autorefill] and protection) - usable for an MMU-based OS */ -/* If none of the above last 4 are set, it's a custom TLB configuration. */ - -#define XCHAL_MMU_ASID_BITS 0 /* number of bits in ASIDs */ -#define XCHAL_MMU_RINGS 1 /* number of rings (1..4) */ -#define XCHAL_MMU_RING_BITS 0 /* num of bits in RING field */ - -#endif /* !XTENSA_HAL_NON_PRIVILEGED_ONLY */ - - -#endif /* _XTENSA_CORE_CONFIGURATION_H */ - diff --git a/arch/xtensa/variants/s6000/include/variant/dmac.h b/arch/xtensa/variants/s6000/include/variant/dmac.h deleted file mode 100644 index 3f88d9f..0000000 --- a/arch/xtensa/variants/s6000/include/variant/dmac.h +++ /dev/null @@ -1,387 +0,0 @@ -/* - * include/asm-xtensa/variant-s6000/dmac.h - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2006 Tensilica Inc. - * Copyright (C) 2008 Emlix GmbH <info@emlix.com> - * Authors: Fabian Godehardt <fg@emlix.com> - * Oskar Schirmer <oskar@scara.com> - * Daniel Gloeckner <dg@emlix.com> - */ - -#ifndef __ASM_XTENSA_S6000_DMAC_H -#define __ASM_XTENSA_S6000_DMAC_H -#include <linux/io.h> -#include <variant/hardware.h> - -/* DMA global */ - -#define S6_DMA_INTSTAT0 0x000 -#define S6_DMA_INTSTAT1 0x004 -#define S6_DMA_INTENABLE0 0x008 -#define S6_DMA_INTENABLE1 0x00C -#define S6_DMA_INTRAW0 0x010 -#define S6_DMA_INTRAW1 0x014 -#define S6_DMA_INTCLEAR0 0x018 -#define S6_DMA_INTCLEAR1 0x01C -#define S6_DMA_INTSET0 0x020 -#define S6_DMA_INTSET1 0x024 -#define S6_DMA_INT0_UNDER 0 -#define S6_DMA_INT0_OVER 16 -#define S6_DMA_INT1_CHANNEL 0 -#define S6_DMA_INT1_MASTER 16 -#define S6_DMA_INT1_MASTER_MASK 7 -#define S6_DMA_TERMCNTIRQSTAT 0x028 -#define S6_DMA_TERMCNTIRQCLR 0x02C -#define S6_DMA_TERMCNTIRQSET 0x030 -#define S6_DMA_PENDCNTIRQSTAT 0x034 -#define S6_DMA_PENDCNTIRQCLR 0x038 -#define S6_DMA_PENDCNTIRQSET 0x03C -#define S6_DMA_LOWWMRKIRQSTAT 0x040 -#define S6_DMA_LOWWMRKIRQCLR 0x044 -#define S6_DMA_LOWWMRKIRQSET 0x048 -#define S6_DMA_MASTERERRINFO 0x04C -#define S6_DMA_MASTERERR_CHAN(n) (4*(n)) -#define S6_DMA_MASTERERR_CHAN_MASK 0xF -#define S6_DMA_DESCRFIFO0 0x050 -#define S6_DMA_DESCRFIFO1 0x054 -#define S6_DMA_DESCRFIFO2 0x058 -#define S6_DMA_DESCRFIFO2_AUTODISABLE 24 -#define S6_DMA_DESCRFIFO3 0x05C -#define S6_DMA_MASTER0START 0x060 -#define S6_DMA_MASTER0END 0x064 -#define S6_DMA_MASTER1START 0x068 -#define S6_DMA_MASTER1END 0x06C -#define S6_DMA_NEXTFREE 0x070 -#define S6_DMA_NEXTFREE_CHAN 0 -#define S6_DMA_NEXTFREE_CHAN_MASK 0x1F -#define S6_DMA_NEXTFREE_ENA 16 -#define S6_DMA_NEXTFREE_ENA_MASK ((1 << 16) - 1) -#define S6_DMA_DPORTCTRLGRP(p) ((p) * 4 + 0x074) -#define S6_DMA_DPORTCTRLGRP_FRAMEREP 0 -#define S6_DMA_DPORTCTRLGRP_NRCHANS 1 -#define S6_DMA_DPORTCTRLGRP_NRCHANS_1 0 -#define S6_DMA_DPORTCTRLGRP_NRCHANS_3 1 -#define S6_DMA_DPORTCTRLGRP_NRCHANS_4 2 -#define S6_DMA_DPORTCTRLGRP_NRCHANS_2 3 -#define S6_DMA_DPORTCTRLGRP_ENA 31 - - -/* DMA per channel */ - -#define DMA_CHNL(dmac, n) ((dmac) + 0x1000 + (n) * 0x100) -#define DMA_INDEX_CHNL(addr) (((addr) >> 8) & 0xF) -#define DMA_MASK_DMAC(addr) ((addr) & 0xFFFF0000) -#define S6_DMA_CHNCTRL 0x000 -#define S6_DMA_CHNCTRL_ENABLE 0 -#define S6_DMA_CHNCTRL_PAUSE 1 -#define S6_DMA_CHNCTRL_PRIO 2 -#define S6_DMA_CHNCTRL_PRIO_MASK 3 -#define S6_DMA_CHNCTRL_PERIPHXFER 4 -#define S6_DMA_CHNCTRL_PERIPHENA 5 -#define S6_DMA_CHNCTRL_SRCINC 6 -#define S6_DMA_CHNCTRL_DSTINC 7 -#define S6_DMA_CHNCTRL_BURSTLOG 8 -#define S6_DMA_CHNCTRL_BURSTLOG_MASK 7 -#define S6_DMA_CHNCTRL_DESCFIFODEPTH 12 -#define S6_DMA_CHNCTRL_DESCFIFODEPTH_MASK 0x1F -#define S6_DMA_CHNCTRL_DESCFIFOFULL 17 -#define S6_DMA_CHNCTRL_BWCONSEL 18 -#define S6_DMA_CHNCTRL_BWCONENA 19 -#define S6_DMA_CHNCTRL_PENDGCNTSTAT 20 -#define S6_DMA_CHNCTRL_PENDGCNTSTAT_MASK 0x3F -#define S6_DMA_CHNCTRL_LOWWMARK 26 -#define S6_DMA_CHNCTRL_LOWWMARK_MASK 0xF -#define S6_DMA_CHNCTRL_TSTAMP 30 -#define S6_DMA_TERMCNTNB 0x004 -#define S6_DMA_TERMCNTNB_MASK 0xFFFF -#define S6_DMA_TERMCNTTMO 0x008 -#define S6_DMA_TERMCNTSTAT 0x00C -#define S6_DMA_TERMCNTSTAT_MASK 0xFF -#define S6_DMA_CMONCHUNK 0x010 -#define S6_DMA_SRCSKIP 0x014 -#define S6_DMA_DSTSKIP 0x018 -#define S6_DMA_CUR_SRC 0x024 -#define S6_DMA_CUR_DST 0x028 -#define S6_DMA_TIMESTAMP 0x030 - -/* DMA channel lists */ - -#define S6_DPDMA_CHAN(stream, channel) (4 * (stream) + (channel)) -#define S6_DPDMA_NB 16 - -#define S6_HIFDMA_GMACTX 0 -#define S6_HIFDMA_GMACRX 1 -#define S6_HIFDMA_I2S0 2 -#define S6_HIFDMA_I2S1 3 -#define S6_HIFDMA_EGIB 4 -#define S6_HIFDMA_PCITX 5 -#define S6_HIFDMA_PCIRX 6 -#define S6_HIFDMA_NB 7 - -#define S6_NIDMA_NB 4 - -#define S6_LMSDMA_NB 12 - -/* controller access */ - -#define S6_DMAC_NB 4 -#define S6_DMAC_INDEX(dmac) (((unsigned)(dmac) >> 18) % S6_DMAC_NB) - -struct s6dmac_ctrl { - u32 dmac; - spinlock_t lock; - u8 chan_nb; -}; - -extern struct s6dmac_ctrl s6dmac_ctrl[S6_DMAC_NB]; - - -/* DMA control, per channel */ - -static inline int s6dmac_fifo_full(u32 dmac, int chan) -{ - return (readl(DMA_CHNL(dmac, chan) + S6_DMA_CHNCTRL) - & (1 << S6_DMA_CHNCTRL_DESCFIFOFULL)) && 1; -} - -static inline int s6dmac_termcnt_irq(u32 dmac, int chan) -{ - u32 m = 1 << chan; - int r = (readl(dmac + S6_DMA_TERMCNTIRQSTAT) & m) && 1; - if (r) - writel(m, dmac + S6_DMA_TERMCNTIRQCLR); - return r; -} - -static inline int s6dmac_pendcnt_irq(u32 dmac, int chan) -{ - u32 m = 1 << chan; - int r = (readl(dmac + S6_DMA_PENDCNTIRQSTAT) & m) && 1; - if (r) - writel(m, dmac + S6_DMA_PENDCNTIRQCLR); - return r; -} - -static inline int s6dmac_lowwmark_irq(u32 dmac, int chan) -{ - int r = (readl(dmac + S6_DMA_LOWWMRKIRQSTAT) & (1 << chan)) ? 1 : 0; - if (r) - writel(1 << chan, dmac + S6_DMA_LOWWMRKIRQCLR); - return r; -} - -static inline u32 s6dmac_pending_count(u32 dmac, int chan) -{ - return (readl(DMA_CHNL(dmac, chan) + S6_DMA_CHNCTRL) - >> S6_DMA_CHNCTRL_PENDGCNTSTAT) - & S6_DMA_CHNCTRL_PENDGCNTSTAT_MASK; -} - -static inline void s6dmac_set_terminal_count(u32 dmac, int chan, u32 n) -{ - n &= S6_DMA_TERMCNTNB_MASK; - n |= readl(DMA_CHNL(dmac, chan) + S6_DMA_TERMCNTNB) - & ~S6_DMA_TERMCNTNB_MASK; - writel(n, DMA_CHNL(dmac, chan) + S6_DMA_TERMCNTNB); -} - -static inline u32 s6dmac_get_terminal_count(u32 dmac, int chan) -{ - return (readl(DMA_CHNL(dmac, chan) + S6_DMA_TERMCNTNB)) - & S6_DMA_TERMCNTNB_MASK; -} - -static inline u32 s6dmac_timestamp(u32 dmac, int chan) -{ - return readl(DMA_CHNL(dmac, chan) + S6_DMA_TIMESTAMP); -} - -static inline u32 s6dmac_cur_src(u32 dmac, int chan) -{ - return readl(DMA_CHNL(dmac, chan) + S6_DMA_CUR_SRC); -} - -static inline u32 s6dmac_cur_dst(u32 dmac, int chan) -{ - return readl(DMA_CHNL(dmac, chan) + S6_DMA_CUR_DST); -} - -static inline void s6dmac_disable_chan(u32 dmac, int chan) -{ - u32 ctrl; - writel(readl(DMA_CHNL(dmac, chan) + S6_DMA_CHNCTRL) - & ~(1 << S6_DMA_CHNCTRL_ENABLE), - DMA_CHNL(dmac, chan) + S6_DMA_CHNCTRL); - do - ctrl = readl(DMA_CHNL(dmac, chan) + S6_DMA_CHNCTRL); - while (ctrl & (1 << S6_DMA_CHNCTRL_ENABLE)); -} - -static inline void s6dmac_set_stride_skip(u32 dmac, int chan, - int comchunk, /* 0: disable scatter/gather */ - int srcskip, int dstskip) -{ - writel(comchunk, DMA_CHNL(dmac, chan) + S6_DMA_CMONCHUNK); - writel(srcskip, DMA_CHNL(dmac, chan) + S6_DMA_SRCSKIP); - writel(dstskip, DMA_CHNL(dmac, chan) + S6_DMA_DSTSKIP); -} - -static inline void s6dmac_enable_chan(u32 dmac, int chan, - int prio, /* 0 (highest) .. 3 (lowest) */ - int periphxfer, /* <0: disable p.req.line, 0..1: mode */ - int srcinc, int dstinc, /* 0: dont increment src/dst address */ - int comchunk, /* 0: disable scatter/gather */ - int srcskip, int dstskip, - int burstsize, /* 4 for I2S, 7 for everything else */ - int bandwidthconserve, /* <0: disable, 0..1: select */ - int lowwmark, /* 0..15 */ - int timestamp, /* 0: disable timestamp */ - int enable) /* 0: disable for now */ -{ - writel(1, DMA_CHNL(dmac, chan) + S6_DMA_TERMCNTNB); - writel(0, DMA_CHNL(dmac, chan) + S6_DMA_TERMCNTTMO); - writel(lowwmark << S6_DMA_CHNCTRL_LOWWMARK, - DMA_CHNL(dmac, chan) + S6_DMA_CHNCTRL); - s6dmac_set_stride_skip(dmac, chan, comchunk, srcskip, dstskip); - writel(((enable ? 1 : 0) << S6_DMA_CHNCTRL_ENABLE) | - (prio << S6_DMA_CHNCTRL_PRIO) | - (((periphxfer > 0) ? 1 : 0) << S6_DMA_CHNCTRL_PERIPHXFER) | - (((periphxfer < 0) ? 0 : 1) << S6_DMA_CHNCTRL_PERIPHENA) | - ((srcinc ? 1 : 0) << S6_DMA_CHNCTRL_SRCINC) | - ((dstinc ? 1 : 0) << S6_DMA_CHNCTRL_DSTINC) | - (burstsize << S6_DMA_CHNCTRL_BURSTLOG) | - (((bandwidthconserve > 0) ? 1 : 0) << S6_DMA_CHNCTRL_BWCONSEL) | - (((bandwidthconserve < 0) ? 0 : 1) << S6_DMA_CHNCTRL_BWCONENA) | - (lowwmark << S6_DMA_CHNCTRL_LOWWMARK) | - ((timestamp ? 1 : 0) << S6_DMA_CHNCTRL_TSTAMP), - DMA_CHNL(dmac, chan) + S6_DMA_CHNCTRL); -} - - -/* DMA control, per engine */ - -static inline unsigned _dmac_addr_index(u32 dmac) -{ - unsigned i = S6_DMAC_INDEX(dmac); - if (s6dmac_ctrl[i].dmac != dmac) - BUG(); - return i; -} - -static inline void _s6dmac_disable_error_irqs(u32 dmac, u32 mask) -{ - writel(mask, dmac + S6_DMA_TERMCNTIRQCLR); - writel(mask, dmac + S6_DMA_PENDCNTIRQCLR); - writel(mask, dmac + S6_DMA_LOWWMRKIRQCLR); - writel(readl(dmac + S6_DMA_INTENABLE0) - & ~((mask << S6_DMA_INT0_UNDER) | (mask << S6_DMA_INT0_OVER)), - dmac + S6_DMA_INTENABLE0); - writel(readl(dmac + S6_DMA_INTENABLE1) & ~(mask << S6_DMA_INT1_CHANNEL), - dmac + S6_DMA_INTENABLE1); - writel((mask << S6_DMA_INT0_UNDER) | (mask << S6_DMA_INT0_OVER), - dmac + S6_DMA_INTCLEAR0); - writel(mask << S6_DMA_INT1_CHANNEL, dmac + S6_DMA_INTCLEAR1); -} - -/* - * request channel from specified engine - * with chan<0, accept any channel - * further parameters see s6dmac_enable_chan - * returns < 0 upon error, channel nb otherwise - */ -static inline int s6dmac_request_chan(u32 dmac, int chan, - int prio, - int periphxfer, - int srcinc, int dstinc, - int comchunk, - int srcskip, int dstskip, - int burstsize, - int bandwidthconserve, - int lowwmark, - int timestamp, - int enable) -{ - int r = chan; - unsigned long flags; - spinlock_t *spinl = &s6dmac_ctrl[_dmac_addr_index(dmac)].lock; - spin_lock_irqsave(spinl, flags); - if (r < 0) { - r = (readl(dmac + S6_DMA_NEXTFREE) >> S6_DMA_NEXTFREE_CHAN) - & S6_DMA_NEXTFREE_CHAN_MASK; - } - if (r >= s6dmac_ctrl[_dmac_addr_index(dmac)].chan_nb) { - if (chan < 0) - r = -EBUSY; - else - r = -ENXIO; - } else if (((readl(dmac + S6_DMA_NEXTFREE) >> S6_DMA_NEXTFREE_ENA) - >> r) & 1) { - r = -EBUSY; - } else { - s6dmac_enable_chan(dmac, r, prio, periphxfer, - srcinc, dstinc, comchunk, srcskip, dstskip, burstsize, - bandwidthconserve, lowwmark, timestamp, enable); - } - spin_unlock_irqrestore(spinl, flags); - return r; -} - -static inline void s6dmac_put_fifo(u32 dmac, int chan, - u32 src, u32 dst, u32 size) -{ - unsigned long flags; - spinlock_t *spinl = &s6dmac_ctrl[_dmac_addr_index(dmac)].lock; - spin_lock_irqsave(spinl, flags); - writel(src, dmac + S6_DMA_DESCRFIFO0); - writel(dst, dmac + S6_DMA_DESCRFIFO1); - writel(size, dmac + S6_DMA_DESCRFIFO2); - writel(chan, dmac + S6_DMA_DESCRFIFO3); - spin_unlock_irqrestore(spinl, flags); -} - -static inline u32 s6dmac_channel_enabled(u32 dmac, int chan) -{ - return readl(DMA_CHNL(dmac, chan) + S6_DMA_CHNCTRL) & - (1 << S6_DMA_CHNCTRL_ENABLE); -} - -/* - * group 1-4 data port channels - * with port=0..3, nrch=1-4 channels, - * frrep=0/1 (dis- or enable frame repeat) - */ -static inline void s6dmac_dp_setup_group(u32 dmac, int port, - int nrch, int frrep) -{ - static const u8 mask[4] = {0, 3, 1, 2}; - BUG_ON(dmac != S6_REG_DPDMA); - if ((port < 0) || (port > 3) || (nrch < 1) || (nrch > 4)) - return; - writel((mask[nrch - 1] << S6_DMA_DPORTCTRLGRP_NRCHANS) - | ((frrep ? 1 : 0) << S6_DMA_DPORTCTRLGRP_FRAMEREP), - dmac + S6_DMA_DPORTCTRLGRP(port)); -} - -static inline void s6dmac_dp_switch_group(u32 dmac, int port, int enable) -{ - u32 tmp; - BUG_ON(dmac != S6_REG_DPDMA); - tmp = readl(dmac + S6_DMA_DPORTCTRLGRP(port)); - if (enable) - tmp |= (1 << S6_DMA_DPORTCTRLGRP_ENA); - else - tmp &= ~(1 << S6_DMA_DPORTCTRLGRP_ENA); - writel(tmp, dmac + S6_DMA_DPORTCTRLGRP(port)); -} - -extern void s6dmac_put_fifo_cache(u32 dmac, int chan, - u32 src, u32 dst, u32 size); -extern void s6dmac_disable_error_irqs(u32 dmac, u32 mask); -extern u32 s6dmac_int_sources(u32 dmac, u32 channel); -extern void s6dmac_release_chan(u32 dmac, int chan); - -#endif /* __ASM_XTENSA_S6000_DMAC_H */ diff --git a/arch/xtensa/variants/s6000/include/variant/gpio.h b/arch/xtensa/variants/s6000/include/variant/gpio.h deleted file mode 100644 index 8484ab0..0000000 --- a/arch/xtensa/variants/s6000/include/variant/gpio.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _XTENSA_VARIANT_S6000_GPIO_H -#define _XTENSA_VARIANT_S6000_GPIO_H - -extern int s6_gpio_init(u32 afsel); - -#endif /* _XTENSA_VARIANT_S6000_GPIO_H */ diff --git a/arch/xtensa/variants/s6000/include/variant/hardware.h b/arch/xtensa/variants/s6000/include/variant/hardware.h deleted file mode 100644 index 5d9ba09..0000000 --- a/arch/xtensa/variants/s6000/include/variant/hardware.h +++ /dev/null @@ -1,259 +0,0 @@ -#ifndef __XTENSA_S6000_HARDWARE_H -#define __XTENSA_S6000_HARDWARE_H - -#define S6_SCLK 1843200 - -#define S6_MEM_REG 0x20000000 -#define S6_MEM_EFI 0x33F00000 -#define S6_MEM_PCIE_DATARAM1 0x34000000 -#define S6_MEM_XLMI 0x37F80000 -#define S6_MEM_PIF_DATARAM1 0x37FFC000 -#define S6_MEM_GMAC 0x38000000 -#define S6_MEM_I2S 0x3A000000 -#define S6_MEM_EGIB 0x3C000000 -#define S6_MEM_PCIE_CFG 0x3E000000 -#define S6_MEM_PIF_DATARAM 0x3FFE0000 -#define S6_MEM_XLMI_DATARAM 0x3FFF0000 -#define S6_MEM_DDR 0x40000000 -#define S6_MEM_PCIE_APER 0xC0000000 -#define S6_MEM_AUX 0xF0000000 - -/* Device addresses */ - -#define S6_REG_SCB S6_MEM_REG -#define S6_REG_NB (S6_REG_SCB + 0x10000) -#define S6_REG_LMSDMA (S6_REG_SCB + 0x20000) -#define S6_REG_NI (S6_REG_SCB + 0x30000) -#define S6_REG_NIDMA (S6_REG_SCB + 0x40000) -#define S6_REG_NS (S6_REG_SCB + 0x50000) -#define S6_REG_DDR (S6_REG_SCB + 0x60000) -#define S6_REG_GREG1 (S6_REG_SCB + 0x70000) -#define S6_REG_DP (S6_REG_SCB + 0x80000) -#define S6_REG_DPDMA (S6_REG_SCB + 0x90000) -#define S6_REG_EGIB (S6_REG_SCB + 0xA0000) -#define S6_REG_PCIE (S6_REG_SCB + 0xB0000) -#define S6_REG_I2S (S6_REG_SCB + 0xC0000) -#define S6_REG_GMAC (S6_REG_SCB + 0xD0000) -#define S6_REG_HIFDMA (S6_REG_SCB + 0xE0000) -#define S6_REG_GREG2 (S6_REG_SCB + 0xF0000) - -#define S6_REG_APB S6_REG_SCB -#define S6_REG_UART (S6_REG_APB + 0x0000) -#define S6_REG_INTC (S6_REG_APB + 0x2000) -#define S6_REG_SPI (S6_REG_APB + 0x3000) -#define S6_REG_I2C (S6_REG_APB + 0x4000) -#define S6_REG_GPIO (S6_REG_APB + 0x8000) - -/* Global register block */ - -#define S6_GREG1_PLL_LOCKCLEAR 0x000 -#define S6_GREG1_PLL_LOCK_SYS 0 -#define S6_GREG1_PLL_LOCK_IO 1 -#define S6_GREG1_PLL_LOCK_AIM 2 -#define S6_GREG1_PLL_LOCK_DP0 3 -#define S6_GREG1_PLL_LOCK_DP2 4 -#define S6_GREG1_PLL_LOCK_DDR 5 -#define S6_GREG1_PLL_LOCKSTAT 0x004 -#define S6_GREG1_PLL_LOCKSTAT_CURLOCK 0 -#define S6_GREG1_PLL_LOCKSTAT_EVERUNLCK 8 -#define S6_GREG1_PLLSEL 0x010 -#define S6_GREG1_PLLSEL_AIM 0 -#define S6_GREG1_PLLSEL_AIM_DDR2 0 -#define S6_GREG1_PLLSEL_AIM_300MHZ 1 -#define S6_GREG1_PLLSEL_AIM_240MHZ 2 -#define S6_GREG1_PLLSEL_AIM_200MHZ 3 -#define S6_GREG1_PLLSEL_AIM_150MHZ 4 -#define S6_GREG1_PLLSEL_AIM_120MHZ 5 -#define S6_GREG1_PLLSEL_AIM_40MHZ 6 -#define S6_GREG1_PLLSEL_AIM_PLLAIMREF 7 -#define S6_GREG1_PLLSEL_AIM_MASK 7 -#define S6_GREG1_PLLSEL_DDR 8 -#define S6_GREG1_PLLSEL_DDR_HS 0 -#define S6_GREG1_PLLSEL_DDR_333MHZ 1 -#define S6_GREG1_PLLSEL_DDR_250MHZ 2 -#define S6_GREG1_PLLSEL_DDR_200MHZ 3 -#define S6_GREG1_PLLSEL_DDR_167MHZ 4 -#define S6_GREG1_PLLSEL_DDR_100MHZ 5 -#define S6_GREG1_PLLSEL_DDR_33MHZ 6 -#define S6_GREG1_PLLSEL_DDR_PLLIOREF 7 -#define S6_GREG1_PLLSEL_DDR_MASK 7 -#define S6_GREG1_PLLSEL_GMAC 16 -#define S6_GREG1_PLLSEL_GMAC_125MHZ 0 -#define S6_GREG1_PLLSEL_GMAC_25MHZ 1 -#define S6_GREG1_PLLSEL_GMAC_2500KHZ 2 -#define S6_GREG1_PLLSEL_GMAC_EXTERN 3 -#define S6_GREG1_PLLSEL_GMAC_MASK 3 -#define S6_GREG1_PLLSEL_GMII 18 -#define S6_GREG1_PLLSEL_GMII_111MHZ 0 -#define S6_GREG1_PLLSEL_GMII_IOREF 1 -#define S6_GREG1_PLLSEL_GMII_NONE 2 -#define S6_GREG1_PLLSEL_GMII_125MHZ 3 -#define S6_GREG1_PLLSEL_GMII_MASK 3 -#define S6_GREG1_SYSUNLOCKCNT 0x020 -#define S6_GREG1_IOUNLOCKCNT 0x024 -#define S6_GREG1_AIMUNLOCKCNT 0x028 -#define S6_GREG1_DP0UNLOCKCNT 0x02C -#define S6_GREG1_DP2UNLOCKCNT 0x030 -#define S6_GREG1_DDRUNLOCKCNT 0x034 -#define S6_GREG1_CLKBAL0 0x040 -#define S6_GREG1_CLKBAL0_LSGB 0 -#define S6_GREG1_CLKBAL0_LSPX 8 -#define S6_GREG1_CLKBAL0_MEMDO 16 -#define S6_GREG1_CLKBAL0_HSXT1 24 -#define S6_GREG1_CLKBAL1 0x044 -#define S6_GREG1_CLKBAL1_HSISEF 0 -#define S6_GREG1_CLKBAL1_HSNI 8 -#define S6_GREG1_CLKBAL1_HSNS 16 -#define S6_GREG1_CLKBAL1_HSISEFCFG 24 -#define S6_GREG1_CLKBAL2 0x048 -#define S6_GREG1_CLKBAL2_LSNB 0 -#define S6_GREG1_CLKBAL2_LSSB 8 -#define S6_GREG1_CLKBAL2_LSREST 24 -#define S6_GREG1_CLKBAL3 0x04C -#define S6_GREG1_CLKBAL3_ISEFXAD 0 -#define S6_GREG1_CLKBAL3_ISEFLMS 8 -#define S6_GREG1_CLKBAL3_ISEFISEF 16 -#define S6_GREG1_CLKBAL3_DDRDD 24 -#define S6_GREG1_CLKBAL4 0x050 -#define S6_GREG1_CLKBAL4_DDRDP 0 -#define S6_GREG1_CLKBAL4_DDRDO 8 -#define S6_GREG1_CLKBAL4_DDRNB 16 -#define S6_GREG1_CLKBAL4_DDRLMS 24 -#define S6_GREG1_BLOCKENA 0x100 -#define S6_GREG1_BLOCK_DDR 0 -#define S6_GREG1_BLOCK_DP 1 -#define S6_GREG1_BLOCK_NSNI 2 -#define S6_GREG1_BLOCK_PCIE 3 -#define S6_GREG1_BLOCK_GMAC 4 -#define S6_GREG1_BLOCK_I2S 5 -#define S6_GREG1_BLOCK_EGIB 6 -#define S6_GREG1_BLOCK_SB 7 -#define S6_GREG1_BLOCK_XT1 8 -#define S6_GREG1_CLKGATE 0x104 -#define S6_GREG1_BGATE_AIMNORTH 9 -#define S6_GREG1_BGATE_AIMEAST 10 -#define S6_GREG1_BGATE_AIMWEST 11 -#define S6_GREG1_BGATE_AIMSOUTH 12 -#define S6_GREG1_CHIPRES 0x108 -#define S6_GREG1_CHIPRES_SOFTRES 0 -#define S6_GREG1_CHIPRES_LOSTLOCK 1 -#define S6_GREG1_RESETCAUSE 0x10C -#define S6_GREG1_RESETCAUSE_RESETN 0 -#define S6_GREG1_RESETCAUSE_GLOBAL 1 -#define S6_GREG1_RESETCAUSE_WDOGTIMER 2 -#define S6_GREG1_RESETCAUSE_SWCHIP 3 -#define S6_GREG1_RESETCAUSE_PLLSYSLOSS 4 -#define S6_GREG1_RESETCAUSE_PCIE 5 -#define S6_GREG1_RESETCAUSE_CREATEDGLOB 6 -#define S6_GREG1_REFCLOCKCNT 0x110 -#define S6_GREG1_RESETTIMER 0x114 -#define S6_GREG1_NMITIMER 0x118 -#define S6_GREG1_GLOBAL_TIMER 0x11C -#define S6_GREG1_TIMER0 0x180 -#define S6_GREG1_TIMER1 0x184 -#define S6_GREG1_UARTCLOCKSEL 0x204 -#define S6_GREG1_CHIPVERSPACKG 0x208 -#define S6_GREG1_CHIPVERSPACKG_CHIPVID 0 -#define S6_GREG1_CHIPVERSPACKG_PACKSEL 8 -#define S6_GREG1_ONDIETERMCTRL 0x20C -#define S6_GREG1_ONDIETERMCTRL_WEST 0 -#define S6_GREG1_ONDIETERMCTRL_NORTH 2 -#define S6_GREG1_ONDIETERMCTRL_EAST 4 -#define S6_GREG1_ONDIETERMCTRL_SOUTH 6 -#define S6_GREG1_ONDIETERMCTRL_NONE 0 -#define S6_GREG1_ONDIETERMCTRL_75OHM 2 -#define S6_GREG1_ONDIETERMCTRL_MASK 3 -#define S6_GREG1_BOOT_CFG0 0x210 -#define S6_GREG1_BOOT_CFG0_AIMSTRONG 1 -#define S6_GREG1_BOOT_CFG0_MINIBOOTDL 2 -#define S6_GREG1_BOOT_CFG0_OCDGPIO8SET 5 -#define S6_GREG1_BOOT_CFG0_OCDGPIOENA 6 -#define S6_GREG1_BOOT_CFG0_DOWNSTREAM 7 -#define S6_GREG1_BOOT_CFG0_PLLSYSDIV 8 -#define S6_GREG1_BOOT_CFG0_PLLSYSDIV_300MHZ 1 -#define S6_GREG1_BOOT_CFG0_PLLSYSDIV_240MHZ 2 -#define S6_GREG1_BOOT_CFG0_PLLSYSDIV_200MHZ 3 -#define S6_GREG1_BOOT_CFG0_PLLSYSDIV_150MHZ 4 -#define S6_GREG1_BOOT_CFG0_PLLSYSDIV_120MHZ 5 -#define S6_GREG1_BOOT_CFG0_PLLSYSDIV_40MHZ 6 -#define S6_GREG1_BOOT_CFG0_PLLSYSDIV_MASK 7 -#define S6_GREG1_BOOT_CFG0_BALHSLMS 12 -#define S6_GREG1_BOOT_CFG0_BALHSNB 18 -#define S6_GREG1_BOOT_CFG0_BALHSXAD 24 -#define S6_GREG1_BOOT_CFG1 0x214 -#define S6_GREG1_BOOT_CFG1_PCIE1LANE 1 -#define S6_GREG1_BOOT_CFG1_MPLLPRESCALE 2 -#define S6_GREG1_BOOT_CFG1_MPLLNCY 4 -#define S6_GREG1_BOOT_CFG1_MPLLNCY5 9 -#define S6_GREG1_BOOT_CFG1_BALHSREST 14 -#define S6_GREG1_BOOT_CFG1_BALHSPSMEMS 20 -#define S6_GREG1_BOOT_CFG1_BALLSGI 26 -#define S6_GREG1_BOOT_CFG2 0x218 -#define S6_GREG1_BOOT_CFG2_PEID 0 -#define S6_GREG1_BOOT_CFG3 0x21C -#define S6_GREG1_DRAMBUSYHOLDOF 0x220 -#define S6_GREG1_DRAMBUSYHOLDOF_XT0 0 -#define S6_GREG1_DRAMBUSYHOLDOF_XT1 4 -#define S6_GREG1_DRAMBUSYHOLDOF_XT_MASK 7 -#define S6_GREG1_PCIEBAR1SIZE 0x224 -#define S6_GREG1_PCIEBAR2SIZE 0x228 -#define S6_GREG1_PCIEVENDOR 0x22C -#define S6_GREG1_PCIEDEVICE 0x230 -#define S6_GREG1_PCIEREV 0x234 -#define S6_GREG1_PCIECLASS 0x238 -#define S6_GREG1_XT1DCACHEMISS 0x240 -#define S6_GREG1_XT1ICACHEMISS 0x244 -#define S6_GREG1_HWSEMAPHORE(n) (0x400 + 4 * (n)) -#define S6_GREG1_HWSEMAPHORE_NB 16 - -/* peripheral interrupt numbers */ - -#define S6_INTC_GPIO(n) (n) /* 0..3 */ -#define S6_INTC_I2C 4 -#define S6_INTC_SPI 5 -#define S6_INTC_NB_ERR 6 -#define S6_INTC_DMA_LMSERR 7 -#define S6_INTC_DMA_LMSLOWWMRK(n) (8 + (n)) /* 0..11 */ -#define S6_INTC_DMA_LMSPENDCNT(n) (20 + (n)) /* 0..11 */ -#define S6_INTC_DMA HOSTLOWWMRK(n) (32 + (n)) /* 0..6 */ -#define S6_INTC_DMA_HOSTPENDCNT(n) (39 + (n)) /* 0..6 */ -#define S6_INTC_DMA_HOSTERR 46 -#define S6_INTC_UART(n) (47 + (n)) /* 0..1 */ -#define S6_INTC_XAD 49 -#define S6_INTC_NI_ERR 50 -#define S6_INTC_NI_INFIFOFULL 51 -#define S6_INTC_DMA_NIERR 52 -#define S6_INTC_DMA_NILOWWMRK(n) (53 + (n)) /* 0..3 */ -#define S6_INTC_DMA_NIPENDCNT(n) (57 + (n)) /* 0..3 */ -#define S6_INTC_DDR 61 -#define S6_INTC_NS_ERR 62 -#define S6_INTC_EFI_CFGERR 63 -#define S6_INTC_EFI_ISEFTEST 64 -#define S6_INTC_EFI_WRITEERR 65 -#define S6_INTC_NMI_TIMER 66 -#define S6_INTC_PLLLOCK_SYS 67 -#define S6_INTC_PLLLOCK_IO 68 -#define S6_INTC_PLLLOCK_AIM 69 -#define S6_INTC_PLLLOCK_DP0 70 -#define S6_INTC_PLLLOCK_DP2 71 -#define S6_INTC_I2S_ERR 72 -#define S6_INTC_GMAC_STAT 73 -#define S6_INTC_GMAC_ERR 74 -#define S6_INTC_GIB_ERR 75 -#define S6_INTC_PCIE_ERR 76 -#define S6_INTC_PCIE_MSI(n) (77 + (n)) /* 0..3 */ -#define S6_INTC_PCIE_INTA 81 -#define S6_INTC_PCIE_INTB 82 -#define S6_INTC_PCIE_INTC 83 -#define S6_INTC_PCIE_INTD 84 -#define S6_INTC_SW(n) (85 + (n)) /* 0..9 */ -#define S6_INTC_SW_ENABLE(n) (85 + 256 + (n)) -#define S6_INTC_DMA_DP_ERR 95 -#define S6_INTC_DMA_DPLOWWMRK(n) (96 + (n)) /* 0..3 */ -#define S6_INTC_DMA_DPPENDCNT(n) (100 + (n)) /* 0..3 */ -#define S6_INTC_DMA_DPTERMCNT(n) (104 + (n)) /* 0..3 */ -#define S6_INTC_TIMER0 108 -#define S6_INTC_TIMER1 109 -#define S6_INTC_DMA_HOSTTERMCNT(n) (110 + (n)) /* 0..6 */ - -#endif /* __XTENSA_S6000_HARDWARE_H */ diff --git a/arch/xtensa/variants/s6000/include/variant/irq.h b/arch/xtensa/variants/s6000/include/variant/irq.h deleted file mode 100644 index 39ca751a..0000000 --- a/arch/xtensa/variants/s6000/include/variant/irq.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef _XTENSA_S6000_IRQ_H -#define _XTENSA_S6000_IRQ_H - -#define VARIANT_NR_IRQS 8 /* GPIO interrupts */ - -extern void variant_irq_enable(unsigned int irq); - -#endif /* __XTENSA_S6000_IRQ_H */ diff --git a/arch/xtensa/variants/s6000/include/variant/tie-asm.h b/arch/xtensa/variants/s6000/include/variant/tie-asm.h deleted file mode 100644 index f02d0a3..0000000 --- a/arch/xtensa/variants/s6000/include/variant/tie-asm.h +++ /dev/null @@ -1,304 +0,0 @@ -/* - * This header file contains assembly-language definitions (assembly - * macros, etc.) for this specific Xtensa processor's TIE extensions - * and options. It is customized to this Xtensa processor configuration. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1999-2008 Tensilica Inc. - */ - -#ifndef _XTENSA_CORE_TIE_ASM_H -#define _XTENSA_CORE_TIE_ASM_H - -/* Selection parameter values for save-area save/restore macros: */ -/* Option vs. TIE: */ -#define XTHAL_SAS_TIE 0x0001 /* custom extension or coprocessor */ -#define XTHAL_SAS_OPT 0x0002 /* optional (and not a coprocessor) */ -/* Whether used automatically by compiler: */ -#define XTHAL_SAS_NOCC 0x0004 /* not used by compiler w/o special opts/code */ -#define XTHAL_SAS_CC 0x0008 /* used by compiler without special opts/code */ -/* ABI handling across function calls: */ -#define XTHAL_SAS_CALR 0x0010 /* caller-saved */ -#define XTHAL_SAS_CALE 0x0020 /* callee-saved */ -#define XTHAL_SAS_GLOB 0x0040 /* global across function calls (in thread) */ -/* Misc */ -#define XTHAL_SAS_ALL 0xFFFF /* include all default NCP contents */ - - - -/* Macro to save all non-coprocessor (extra) custom TIE and optional state - * (not including zero-overhead loop registers). - * Save area ptr (clobbered): ptr (16 byte aligned) - * Scratch regs (clobbered): at1..at4 (only first XCHAL_NCP_NUM_ATMPS needed) - */ - .macro xchal_ncp_store ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL - xchal_sa_start \continue, \ofs - .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select - xchal_sa_align \ptr, 0, 1024-4, 4, 4 - rsr \at1, BR // boolean option - s32i \at1, \ptr, .Lxchal_ofs_ + 0 - .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 - .endif - .endm // xchal_ncp_store - -/* Macro to save all non-coprocessor (extra) custom TIE and optional state - * (not including zero-overhead loop registers). - * Save area ptr (clobbered): ptr (16 byte aligned) - * Scratch regs (clobbered): at1..at4 (only first XCHAL_NCP_NUM_ATMPS needed) - */ - .macro xchal_ncp_load ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL - xchal_sa_start \continue, \ofs - .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select - xchal_sa_align \ptr, 0, 1024-4, 4, 4 - l32i \at1, \ptr, .Lxchal_ofs_ + 0 - wsr \at1, BR // boolean option - .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 - .endif - .endm // xchal_ncp_load - - - -#define XCHAL_NCP_NUM_ATMPS 1 - - - -/* Macro to save the state of TIE coprocessor FPU. - * Save area ptr (clobbered): ptr (16 byte aligned) - * Scratch regs (clobbered): at1..at4 (only first XCHAL_CP0_NUM_ATMPS needed) - */ -#define xchal_cp_FPU_store xchal_cp0_store -/* #define xchal_cp_FPU_store_a2 xchal_cp0_store a2 a3 a4 a5 a6 */ - .macro xchal_cp0_store ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL - xchal_sa_start \continue, \ofs - .ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select - xchal_sa_align \ptr, 0, 0, 1, 16 - rur232 \at1 // FCR - s32i \at1, \ptr, 0 - rur233 \at1 // FSR - s32i \at1, \ptr, 4 - SSI f0, \ptr, 8 - SSI f1, \ptr, 12 - SSI f2, \ptr, 16 - SSI f3, \ptr, 20 - SSI f4, \ptr, 24 - SSI f5, \ptr, 28 - SSI f6, \ptr, 32 - SSI f7, \ptr, 36 - SSI f8, \ptr, 40 - SSI f9, \ptr, 44 - SSI f10, \ptr, 48 - SSI f11, \ptr, 52 - SSI f12, \ptr, 56 - SSI f13, \ptr, 60 - SSI f14, \ptr, 64 - SSI f15, \ptr, 68 - .set .Lxchal_ofs_, .Lxchal_ofs_ + 72 - .endif - .endm // xchal_cp0_store - -/* Macro to restore the state of TIE coprocessor FPU. - * Save area ptr (clobbered): ptr (16 byte aligned) - * Scratch regs (clobbered): at1..at4 (only first XCHAL_CP0_NUM_ATMPS needed) - */ -#define xchal_cp_FPU_load xchal_cp0_load -/* #define xchal_cp_FPU_load_a2 xchal_cp0_load a2 a3 a4 a5 a6 */ - .macro xchal_cp0_load ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL - xchal_sa_start \continue, \ofs - .ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select - xchal_sa_align \ptr, 0, 0, 1, 16 - l32i \at1, \ptr, 0 - wur232 \at1 // FCR - l32i \at1, \ptr, 4 - wur233 \at1 // FSR - LSI f0, \ptr, 8 - LSI f1, \ptr, 12 - LSI f2, \ptr, 16 - LSI f3, \ptr, 20 - LSI f4, \ptr, 24 - LSI f5, \ptr, 28 - LSI f6, \ptr, 32 - LSI f7, \ptr, 36 - LSI f8, \ptr, 40 - LSI f9, \ptr, 44 - LSI f10, \ptr, 48 - LSI f11, \ptr, 52 - LSI f12, \ptr, 56 - LSI f13, \ptr, 60 - LSI f14, \ptr, 64 - LSI f15, \ptr, 68 - .set .Lxchal_ofs_, .Lxchal_ofs_ + 72 - .endif - .endm // xchal_cp0_load - -#define XCHAL_CP0_NUM_ATMPS 1 - -/* Macro to save the state of TIE coprocessor XAD. - * Save area ptr (clobbered): ptr (16 byte aligned) - * Scratch regs (clobbered): at1..at4 (only first XCHAL_CP6_NUM_ATMPS needed) - */ -#define xchal_cp_XAD_store xchal_cp6_store -/* #define xchal_cp_XAD_store_a2 xchal_cp6_store a2 a3 a4 a5 a6 */ - .macro xchal_cp6_store ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL - xchal_sa_start \continue, \ofs - .ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select - xchal_sa_align \ptr, 0, 0, 1, 16 - rur0 \at1 // LDCBHI - s32i \at1, \ptr, 0 - rur1 \at1 // LDCBLO - s32i \at1, \ptr, 4 - rur2 \at1 // STCBHI - s32i \at1, \ptr, 8 - rur3 \at1 // STCBLO - s32i \at1, \ptr, 12 - rur8 \at1 // LDBRBASE - s32i \at1, \ptr, 16 - rur9 \at1 // LDBROFF - s32i \at1, \ptr, 20 - rur10 \at1 // LDBRINC - s32i \at1, \ptr, 24 - rur11 \at1 // STBRBASE - s32i \at1, \ptr, 28 - rur12 \at1 // STBROFF - s32i \at1, \ptr, 32 - rur13 \at1 // STBRINC - s32i \at1, \ptr, 36 - rur24 \at1 // SCRATCH0 - s32i \at1, \ptr, 40 - rur25 \at1 // SCRATCH1 - s32i \at1, \ptr, 44 - rur26 \at1 // SCRATCH2 - s32i \at1, \ptr, 48 - rur27 \at1 // SCRATCH3 - s32i \at1, \ptr, 52 - WRAS128I wra0, \ptr, 64 - WRAS128I wra1, \ptr, 80 - WRAS128I wra2, \ptr, 96 - WRAS128I wra3, \ptr, 112 - WRAS128I wra4, \ptr, 128 - WRAS128I wra5, \ptr, 144 - WRAS128I wra6, \ptr, 160 - WRAS128I wra7, \ptr, 176 - WRAS128I wra8, \ptr, 192 - WRAS128I wra9, \ptr, 208 - WRAS128I wra10, \ptr, 224 - WRAS128I wra11, \ptr, 240 - WRAS128I wra12, \ptr, 256 - WRAS128I wra13, \ptr, 272 - WRAS128I wra14, \ptr, 288 - WRAS128I wra15, \ptr, 304 - WRBS128I wrb0, \ptr, 320 - WRBS128I wrb1, \ptr, 336 - WRBS128I wrb2, \ptr, 352 - WRBS128I wrb3, \ptr, 368 - WRBS128I wrb4, \ptr, 384 - WRBS128I wrb5, \ptr, 400 - WRBS128I wrb6, \ptr, 416 - WRBS128I wrb7, \ptr, 432 - WRBS128I wrb8, \ptr, 448 - WRBS128I wrb9, \ptr, 464 - WRBS128I wrb10, \ptr, 480 - WRBS128I wrb11, \ptr, 496 - WRBS128I wrb12, \ptr, 512 - WRBS128I wrb13, \ptr, 528 - WRBS128I wrb14, \ptr, 544 - WRBS128I wrb15, \ptr, 560 - .set .Lxchal_ofs_, .Lxchal_ofs_ + 576 - .endif - .endm // xchal_cp6_store - -/* Macro to restore the state of TIE coprocessor XAD. - * Save area ptr (clobbered): ptr (16 byte aligned) - * Scratch regs (clobbered): at1..at4 (only first XCHAL_CP6_NUM_ATMPS needed) - */ -#define xchal_cp_XAD_load xchal_cp6_load -/* #define xchal_cp_XAD_load_a2 xchal_cp6_load a2 a3 a4 a5 a6 */ - .macro xchal_cp6_load ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL - xchal_sa_start \continue, \ofs - .ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select - xchal_sa_align \ptr, 0, 0, 1, 16 - l32i \at1, \ptr, 0 - wur0 \at1 // LDCBHI - l32i \at1, \ptr, 4 - wur1 \at1 // LDCBLO - l32i \at1, \ptr, 8 - wur2 \at1 // STCBHI - l32i \at1, \ptr, 12 - wur3 \at1 // STCBLO - l32i \at1, \ptr, 16 - wur8 \at1 // LDBRBASE - l32i \at1, \ptr, 20 - wur9 \at1 // LDBROFF - l32i \at1, \ptr, 24 - wur10 \at1 // LDBRINC - l32i \at1, \ptr, 28 - wur11 \at1 // STBRBASE - l32i \at1, \ptr, 32 - wur12 \at1 // STBROFF - l32i \at1, \ptr, 36 - wur13 \at1 // STBRINC - l32i \at1, \ptr, 40 - wur24 \at1 // SCRATCH0 - l32i \at1, \ptr, 44 - wur25 \at1 // SCRATCH1 - l32i \at1, \ptr, 48 - wur26 \at1 // SCRATCH2 - l32i \at1, \ptr, 52 - wur27 \at1 // SCRATCH3 - WRBL128I wrb0, \ptr, 320 - WRBL128I wrb1, \ptr, 336 - WRBL128I wrb2, \ptr, 352 - WRBL128I wrb3, \ptr, 368 - WRBL128I wrb4, \ptr, 384 - WRBL128I wrb5, \ptr, 400 - WRBL128I wrb6, \ptr, 416 - WRBL128I wrb7, \ptr, 432 - WRBL128I wrb8, \ptr, 448 - WRBL128I wrb9, \ptr, 464 - WRBL128I wrb10, \ptr, 480 - WRBL128I wrb11, \ptr, 496 - WRBL128I wrb12, \ptr, 512 - WRBL128I wrb13, \ptr, 528 - WRBL128I wrb14, \ptr, 544 - WRBL128I wrb15, \ptr, 560 - WRAL128I wra0, \ptr, 64 - WRAL128I wra1, \ptr, 80 - WRAL128I wra2, \ptr, 96 - WRAL128I wra3, \ptr, 112 - WRAL128I wra4, \ptr, 128 - WRAL128I wra5, \ptr, 144 - WRAL128I wra6, \ptr, 160 - WRAL128I wra7, \ptr, 176 - WRAL128I wra8, \ptr, 192 - WRAL128I wra9, \ptr, 208 - WRAL128I wra10, \ptr, 224 - WRAL128I wra11, \ptr, 240 - WRAL128I wra12, \ptr, 256 - WRAL128I wra13, \ptr, 272 - WRAL128I wra14, \ptr, 288 - WRAL128I wra15, \ptr, 304 - .set .Lxchal_ofs_, .Lxchal_ofs_ + 576 - .endif - .endm // xchal_cp6_load - -#define XCHAL_CP6_NUM_ATMPS 1 -#define XCHAL_SA_NUM_ATMPS 1 - - /* Empty macros for unconfigured coprocessors: */ - .macro xchal_cp1_store p a b c d continue=0 ofs=-1 select=-1 ; .endm - .macro xchal_cp1_load p a b c d continue=0 ofs=-1 select=-1 ; .endm - .macro xchal_cp2_store p a b c d continue=0 ofs=-1 select=-1 ; .endm - .macro xchal_cp2_load p a b c d continue=0 ofs=-1 select=-1 ; .endm - .macro xchal_cp3_store p a b c d continue=0 ofs=-1 select=-1 ; .endm - .macro xchal_cp3_load p a b c d continue=0 ofs=-1 select=-1 ; .endm - .macro xchal_cp4_store p a b c d continue=0 ofs=-1 select=-1 ; .endm - .macro xchal_cp4_load p a b c d continue=0 ofs=-1 select=-1 ; .endm - .macro xchal_cp5_store p a b c d continue=0 ofs=-1 select=-1 ; .endm - .macro xchal_cp5_load p a b c d continue=0 ofs=-1 select=-1 ; .endm - .macro xchal_cp7_store p a b c d continue=0 ofs=-1 select=-1 ; .endm - .macro xchal_cp7_load p a b c d continue=0 ofs=-1 select=-1 ; .endm - -#endif /*_XTENSA_CORE_TIE_ASM_H*/ - diff --git a/arch/xtensa/variants/s6000/include/variant/tie.h b/arch/xtensa/variants/s6000/include/variant/tie.h deleted file mode 100644 index be7ea84..0000000 --- a/arch/xtensa/variants/s6000/include/variant/tie.h +++ /dev/null @@ -1,191 +0,0 @@ -/* - * This header file describes this specific Xtensa processor's TIE extensions - * that extend basic Xtensa core functionality. It is customized to this - * Xtensa processor configuration. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1999-2008 Tensilica Inc. - */ - -#ifndef _XTENSA_CORE_TIE_H -#define _XTENSA_CORE_TIE_H - -#define XCHAL_CP_NUM 2 /* number of coprocessors */ -#define XCHAL_CP_MAX 7 /* max CP ID + 1 (0 if none) */ -#define XCHAL_CP_MASK 0x41 /* bitmask of all CPs by ID */ -#define XCHAL_CP_PORT_MASK 0x00 /* bitmask of only port CPs */ - -/* Basic parameters of each coprocessor: */ -#define XCHAL_CP0_NAME "FPU" -#define XCHAL_CP0_IDENT FPU -#define XCHAL_CP0_SA_SIZE 72 /* size of state save area */ -#define XCHAL_CP0_SA_ALIGN 4 /* min alignment of save area */ -#define XCHAL_CP_ID_FPU 0 /* coprocessor ID (0..7) */ -#define XCHAL_CP6_NAME "XAD" -#define XCHAL_CP6_IDENT XAD -#define XCHAL_CP6_SA_SIZE 576 /* size of state save area */ -#define XCHAL_CP6_SA_ALIGN 16 /* min alignment of save area */ -#define XCHAL_CP_ID_XAD 6 /* coprocessor ID (0..7) */ - -/* Filler info for unassigned coprocessors, to simplify arrays etc: */ -#define XCHAL_CP1_SA_SIZE 0 -#define XCHAL_CP1_SA_ALIGN 1 -#define XCHAL_CP2_SA_SIZE 0 -#define XCHAL_CP2_SA_ALIGN 1 -#define XCHAL_CP3_SA_SIZE 0 -#define XCHAL_CP3_SA_ALIGN 1 -#define XCHAL_CP4_SA_SIZE 0 -#define XCHAL_CP4_SA_ALIGN 1 -#define XCHAL_CP5_SA_SIZE 0 -#define XCHAL_CP5_SA_ALIGN 1 -#define XCHAL_CP7_SA_SIZE 0 -#define XCHAL_CP7_SA_ALIGN 1 - -/* Save area for non-coprocessor optional and custom (TIE) state: */ -#define XCHAL_NCP_SA_SIZE 4 -#define XCHAL_NCP_SA_ALIGN 4 - -/* Total save area for optional and custom state (NCP + CPn): */ -#define XCHAL_TOTAL_SA_SIZE 672 /* with 16-byte align padding */ -#define XCHAL_TOTAL_SA_ALIGN 16 /* actual minimum alignment */ - -/* - * Detailed contents of save areas. - * NOTE: caller must define the XCHAL_SA_REG macro (not defined here) - * before expanding the XCHAL_xxx_SA_LIST() macros. - * - * XCHAL_SA_REG(s,ccused,abikind,kind,opt,name,galign,align,asize, - * dbnum,base,regnum,bitsz,gapsz,reset,x...) - * - * s = passed from XCHAL_*_LIST(s), eg. to select how to expand - * ccused = set if used by compiler without special options or code - * abikind = 0 (caller-saved), 1 (callee-saved), or 2 (thread-global) - * kind = 0 (special reg), 1 (TIE user reg), or 2 (TIE regfile reg) - * opt = 0 (custom TIE extension or coprocessor), or 1 (optional reg) - * name = lowercase reg name (no quotes) - * galign = group byte alignment (power of 2) (galign >= align) - * align = register byte alignment (power of 2) - * asize = allocated size in bytes (asize*8 == bitsz + gapsz + padsz) - * (not including any pad bytes required to galign this or next reg) - * dbnum = unique target number f/debug (see <xtensa-libdb-macros.h>) - * base = reg shortname w/o index (or sr=special, ur=TIE user reg) - * regnum = reg index in regfile, or special/TIE-user reg number - * bitsz = number of significant bits (regfile width, or ur/sr mask bits) - * gapsz = intervening bits, if bitsz bits not stored contiguously - * (padsz = pad bits at end [TIE regfile] or at msbits [ur,sr] of asize) - * reset = register reset value (or 0 if undefined at reset) - * x = reserved for future use (0 until then) - * - * To filter out certain registers, e.g. to expand only the non-global - * registers used by the compiler, you can do something like this: - * - * #define XCHAL_SA_REG(s,ccused,p...) SELCC##ccused(p) - * #define SELCC0(p...) - * #define SELCC1(abikind,p...) SELAK##abikind(p) - * #define SELAK0(p...) REG(p) - * #define SELAK1(p...) REG(p) - * #define SELAK2(p...) - * #define REG(kind,tie,name,galn,aln,asz,csz,dbnum,base,rnum,bsz,rst,x...) \ - * ...what you want to expand... - */ - -#define XCHAL_NCP_SA_NUM 1 -#define XCHAL_NCP_SA_LIST(s) \ - XCHAL_SA_REG(s,0,0,0,1, br, 4, 4, 4,0x0204, sr,4 , 16,0,0,0) - -#define XCHAL_CP0_SA_NUM 18 -#define XCHAL_CP0_SA_LIST(s) \ - XCHAL_SA_REG(s,0,0,1,0, fcr, 4, 4, 4,0x03E8, ur,232, 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,1,0, fsr, 4, 4, 4,0x03E9, ur,233, 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, f0, 4, 4, 4,0x0030, f,0 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, f1, 4, 4, 4,0x0031, f,1 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, f2, 4, 4, 4,0x0032, f,2 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, f3, 4, 4, 4,0x0033, f,3 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, f4, 4, 4, 4,0x0034, f,4 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, f5, 4, 4, 4,0x0035, f,5 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, f6, 4, 4, 4,0x0036, f,6 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, f7, 4, 4, 4,0x0037, f,7 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, f8, 4, 4, 4,0x0038, f,8 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, f9, 4, 4, 4,0x0039, f,9 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, f10, 4, 4, 4,0x003A, f,10 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, f11, 4, 4, 4,0x003B, f,11 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, f12, 4, 4, 4,0x003C, f,12 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, f13, 4, 4, 4,0x003D, f,13 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, f14, 4, 4, 4,0x003E, f,14 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, f15, 4, 4, 4,0x003F, f,15 , 32,0,0,0) - -#define XCHAL_CP1_SA_NUM 0 -#define XCHAL_CP1_SA_LIST(s) /* empty */ - -#define XCHAL_CP2_SA_NUM 0 -#define XCHAL_CP2_SA_LIST(s) /* empty */ - -#define XCHAL_CP3_SA_NUM 0 -#define XCHAL_CP3_SA_LIST(s) /* empty */ - -#define XCHAL_CP4_SA_NUM 0 -#define XCHAL_CP4_SA_LIST(s) /* empty */ - -#define XCHAL_CP5_SA_NUM 0 -#define XCHAL_CP5_SA_LIST(s) /* empty */ - -#define XCHAL_CP6_SA_NUM 46 -#define XCHAL_CP6_SA_LIST(s) \ - XCHAL_SA_REG(s,0,0,1,0, ldcbhi,16, 4, 4,0x0300, ur,0 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,1,0, ldcblo, 4, 4, 4,0x0301, ur,1 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,1,0, stcbhi, 4, 4, 4,0x0302, ur,2 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,1,0, stcblo, 4, 4, 4,0x0303, ur,3 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,1,0, ldbrbase, 4, 4, 4,0x0308, ur,8 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,1,0, ldbroff, 4, 4, 4,0x0309, ur,9 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,1,0, ldbrinc, 4, 4, 4,0x030A, ur,10 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,1,0, stbrbase, 4, 4, 4,0x030B, ur,11 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,1,0, stbroff, 4, 4, 4,0x030C, ur,12 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,1,0, stbrinc, 4, 4, 4,0x030D, ur,13 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,1,0, scratch0, 4, 4, 4,0x0318, ur,24 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,1,0, scratch1, 4, 4, 4,0x0319, ur,25 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,1,0, scratch2, 4, 4, 4,0x031A, ur,26 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,1,0, scratch3, 4, 4, 4,0x031B, ur,27 , 32,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wra0,16,16,16,0x1010, wra,0 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wra1,16,16,16,0x1011, wra,1 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wra2,16,16,16,0x1012, wra,2 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wra3,16,16,16,0x1013, wra,3 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wra4,16,16,16,0x1014, wra,4 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wra5,16,16,16,0x1015, wra,5 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wra6,16,16,16,0x1016, wra,6 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wra7,16,16,16,0x1017, wra,7 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wra8,16,16,16,0x1018, wra,8 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wra9,16,16,16,0x1019, wra,9 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wra10,16,16,16,0x101A, wra,10 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wra11,16,16,16,0x101B, wra,11 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wra12,16,16,16,0x101C, wra,12 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wra13,16,16,16,0x101D, wra,13 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wra14,16,16,16,0x101E, wra,14 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wra15,16,16,16,0x101F, wra,15 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wrb0,16,16,16,0x1020, wrb,0 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wrb1,16,16,16,0x1021, wrb,1 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wrb2,16,16,16,0x1022, wrb,2 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wrb3,16,16,16,0x1023, wrb,3 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wrb4,16,16,16,0x1024, wrb,4 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wrb5,16,16,16,0x1025, wrb,5 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wrb6,16,16,16,0x1026, wrb,6 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wrb7,16,16,16,0x1027, wrb,7 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wrb8,16,16,16,0x1028, wrb,8 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wrb9,16,16,16,0x1029, wrb,9 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wrb10,16,16,16,0x102A, wrb,10 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wrb11,16,16,16,0x102B, wrb,11 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wrb12,16,16,16,0x102C, wrb,12 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wrb13,16,16,16,0x102D, wrb,13 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wrb14,16,16,16,0x102E, wrb,14 ,128,0,0,0) \ - XCHAL_SA_REG(s,0,0,2,0, wrb15,16,16,16,0x102F, wrb,15 ,128,0,0,0) - -#define XCHAL_CP7_SA_NUM 0 -#define XCHAL_CP7_SA_LIST(s) /* empty */ - -/* Byte length of instruction from its first nibble (op0 field), per FLIX. */ -#define XCHAL_OP0_FORMAT_LENGTHS 3,3,3,3,3,3,3,3,2,2,2,2,2,2,8,8 - -#endif /*_XTENSA_CORE_TIE_H*/ - diff --git a/arch/xtensa/variants/s6000/irq.c b/arch/xtensa/variants/s6000/irq.c deleted file mode 100644 index 81a241e..0000000 --- a/arch/xtensa/variants/s6000/irq.c +++ /dev/null @@ -1,74 +0,0 @@ -/* - * s6000 irq crossbar - * - * Copyright (c) 2009 emlix GmbH - * Authors: Johannes Weiner <hannes@cmpxchg.org> - * Oskar Schirmer <oskar@scara.com> - */ -#include <linux/io.h> -#include <asm/irq.h> -#include <variant/hardware.h> - -/* S6_REG_INTC */ -#define INTC_STATUS 0x000 -#define INTC_RAW 0x010 -#define INTC_STATUS_AG 0x100 -#define INTC_CFG(n) (0x200 + 4 * (n)) - -/* - * The s6000 has a crossbar that multiplexes interrupt output lines - * from the peripherals to input lines on the xtensa core. - * - * We leave the mapping decisions to the platform as it depends on the - * actually connected peripherals which distribution makes sense. - */ -extern const signed char *platform_irq_mappings[NR_IRQS]; - -static unsigned long scp_to_intc_enable[] = { -#define TO_INTC_ENABLE(n) (((n) << 1) + 1) - TO_INTC_ENABLE(0), - TO_INTC_ENABLE(1), - TO_INTC_ENABLE(2), - TO_INTC_ENABLE(3), - TO_INTC_ENABLE(4), - TO_INTC_ENABLE(5), - TO_INTC_ENABLE(6), - TO_INTC_ENABLE(7), - TO_INTC_ENABLE(8), - TO_INTC_ENABLE(9), - TO_INTC_ENABLE(10), - TO_INTC_ENABLE(11), - TO_INTC_ENABLE(12), - -1, - -1, - TO_INTC_ENABLE(13), - -1, - TO_INTC_ENABLE(14), - -1, - TO_INTC_ENABLE(15), -#undef TO_INTC_ENABLE -}; - -static void irq_set(unsigned int irq, int enable) -{ - unsigned long en; - const signed char *m = platform_irq_mappings[irq]; - - if (!m) - return; - en = enable ? scp_to_intc_enable[irq] : 0; - while (*m >= 0) { - writel(en, S6_REG_INTC + INTC_CFG(*m)); - m++; - } -} - -void variant_irq_enable(unsigned int irq) -{ - irq_set(irq, 1); -} - -void variant_irq_disable(unsigned int irq) -{ - irq_set(irq, 0); -} |