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
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
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
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
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"
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/
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)
__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
{
*(.ResetVector.remapped_text)
}
+#endif
}
#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"
.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:
movi a4, 0
jx a0
+#ifdef CONFIG_MMU
.align 4
.section .ResetVector.remapped_text, "x"
#endif
.end no-absolute-literals
+#endif
# 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
$(obj)/../uImage: vmlinux.bin.gz FORCE
#
CONFIG_XTENSA_VARIANT_FSF=y
# CONFIG_XTENSA_VARIANT_DC232B is not set
-# CONFIG_XTENSA_VARIANT_S6000 is not set
# CONFIG_XTENSA_UNALIGNED_USER is not set
# CONFIG_PREEMPT is not set
CONFIG_XTENSA_CALIBRATE_CCOUNT=y
#
CONFIG_XTENSA_PLATFORM_ISS=y
# CONFIG_XTENSA_PLATFORM_XT2000 is not set
-# CONFIG_XTENSA_PLATFORM_S6105 is not set
# CONFIG_GENERIC_CALIBRATE_DELAY is not set
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="console=ttyS0,38400 eth0=tuntap,,tap0 ip=192.168.168.5:192.168.168.1 root=nfs nfsroot=192.168.168.1:/opt/montavista/pro/devkit/xtensa/linux_be/target"
+++ /dev/null
-#
-# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.29-rc7-s6
-# Tue Mar 10 11:09:26 2009
-#
-# CONFIG_FRAME_POINTER is not set
-CONFIG_ZONE_DMA=y
-CONFIG_XTENSA=y
-CONFIG_RWSEM_XCHGADD_ALGORITHM=y
-CONFIG_GENERIC_FIND_NEXT_BIT=y
-CONFIG_GENERIC_HWEIGHT=y
-# CONFIG_ARCH_HAS_ILOG2_U32 is not set
-# CONFIG_ARCH_HAS_ILOG2_U64 is not set
-CONFIG_NO_IOPORT_MAP=y
-CONFIG_HZ=100
-CONFIG_DEFCONFIG_LIST="/lib/modules/$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
#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);
* (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);
#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);
#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__
/* Step 1: invalidate mapping at 0x40000000..0x5FFFFFFF. */
- movi a2, 0x40000006
+ movi a2, 0x40000000 | XCHAL_SPANNING_WAY
idtlb a2
iitlb a2
isync
jx a4
1:
- movi a2, VECBASE_RESET_VADDR
- wsr a2, vecbase
-
/* Step 5: remove temporary mapping. */
idtlb a7
iitlb a7
#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__*/
#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)
{
+static inline void init_mmu(void)
+{
+}
+
static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
}
* 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
#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
* 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);
#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)
#define _XTENSA_VECTORS_H
#include <variant/core.h>
+#include <platform/hardware.h>
#define XCHAL_KIO_CACHED_VADDR 0xe0000000
#define XCHAL_KIO_BYPASS_VADDR 0xf0000000
/* 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 */
#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
movi a0, 0
+#if XCHAL_HAVE_VECBASE
+ movi a2, VECBASE_RESET_VADDR
+ wsr a2, vecbase
+#endif
+
/* Clear debugging registers. */
#if XCHAL_HAVE_DEBUG
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)
{
addr = COLOUR_ALIGN(addr, pgoff);
}
}
+#endif
# 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
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;
" 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);
}
+++ /dev/null
-# Makefile for the Stretch S6105 eval board
-
-obj-y := setup.o device.o
+++ /dev/null
-/*
- * 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);
+++ /dev/null
-#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 */
+++ /dev/null
-#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 */
+++ /dev/null
-#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 */
+++ /dev/null
-/*
- * 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));
-}
/* 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. */
+++ /dev/null
-# s6000 Makefile
-
-obj-y += irq.o gpio.o dmac.o
-obj-$(CONFIG_XTENSA_CALIBRATE_CCOUNT) += delay.o
+++ /dev/null
-#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);
-}
+++ /dev/null
-/*
- * 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);
+++ /dev/null
-/*
- * 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;
- }
- }
-}
+++ /dev/null
-/*
- * 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 */
-
+++ /dev/null
-/*
- * 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 */
+++ /dev/null
-#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 */
+++ /dev/null
-#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 */
+++ /dev/null
-#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 */
+++ /dev/null
-/*
- * 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*/
-
+++ /dev/null
-/*
- * 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*/
-
+++ /dev/null
-/*
- * 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);
-}
projects / cascardo / linux.git / commitdiff