diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2000-10-09 00:36:07 +0000 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2000-10-09 00:36:07 +0000 |
commit | 1a743e4f5e92fac7d7a2ce9a58e7223d757fdf81 (patch) | |
tree | 882ab65737b0a4edfcc45c04d764257ec115b8f2 | |
parent | b4b017ab8e9c41991c8d550b72ca3e9c8616eeed (diff) |
Support for MIPS Atlas and Malta evaluation boards. Chainsaw edition;
doesn't compile because it smokes ld ...
31 files changed, 4121 insertions, 0 deletions
diff --git a/Documentation/Configure.help b/Documentation/Configure.help index 27df3b63c..7d33d51e2 100644 --- a/Documentation/Configure.help +++ b/Documentation/Configure.help @@ -1612,6 +1612,16 @@ CONFIG_DDB5074 This enables support for the VR5000-based NEC DDB Vrc-5074 evaluation board. +Support for MIPS Atlas board +CONFIG_DDB5074 + This enables support for the QED R5231-based MIPS Atlas evaluation + board. + +Support for MIPS Malta board +CONFIG_DDB5074 + This enables support for the VR5000-based MIPS Malta evaluation + board. + Support for Mips Magnum 4000 CONFIG_MIPS_MAGNUM_4000 This is a machine with a R4000 100 MHz CPU. To compile a Linux diff --git a/arch/mips/Makefile b/arch/mips/Makefile index dbb23503d..29694a0d9 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -102,6 +102,18 @@ LIBS += arch/mips/dec/prom/rexlib.a LOADADDR += 0x80040000 endif +ifdef CONFIG_MIPS_ATLAS +LIBS += arch/mips/mips-boards/atlas/atlas.a arch/mips/mips-boards/generic/mipsboards.a +SUBDIRS += arch/mips/mips-boards/generic arch/mips/mips-boards/atlas +LOADADDR += 0x80100000 +endif + +ifdef CONFIG_MIPS_MALTA +LIBS += arch/mips/mips-boards/malta/malta.a arch/mips/mips-boards/generic/mipsboards.a +SUBDIRS += arch/mips/mips-boards/malta arch/mips/mips-boards/generic +LOADADDR += 0x80100000 +endif + # # Acer PICA 61, Mips Magnum 4000 and Olivetti M700. # diff --git a/arch/mips/config.in b/arch/mips/config.in index 5a0a0642c..7952ac879 100644 --- a/arch/mips/config.in +++ b/arch/mips/config.in @@ -22,6 +22,8 @@ if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then bool 'Support for DECstations (EXPERIMENTAL)' CONFIG_DECSTATION bool 'Support for NEC DDB Vrc-5074 (EXPERIMENTAL)' CONFIG_DDB5074 bool 'Support for Galileo Evaluation board or CoSine Orion' CONFIG_ORION + bool 'Support for MIPS Atlas board' CONFIG_MIPS_ATLAS + bool 'Support for MIPS Malta board' CONFIG_MIPS_MALTA fi bool 'Support for Mips Magnum 4000' CONFIG_MIPS_MAGNUM_4000 bool 'Support for Olivetti M700-10' CONFIG_OLIVETTI_M700 @@ -67,6 +69,11 @@ if [ "$CONFIG_COBALT_MICRO_SERVER" = "y" ]; then define_bool CONFIG_COBALT_SERIAL y define_bool CONFIG_PCI y fi +if [ "$CONFIG_MIPS_ATLAS" = "y" -o \ + "$CONFIG_MIPS_MALTA" = "y" ]; then + define_bool CONFIG_PCI y + define_bool CONFIG_ISA n +fi if [ "$CONFIG_SGI_IP22" = "y" ]; then define_bool CONFIG_ARC32 y define_bool CONFIG_BOARD_SCACHE y diff --git a/arch/mips/defconfig-atlas b/arch/mips/defconfig-atlas new file mode 100644 index 000000000..336085079 --- /dev/null +++ b/arch/mips/defconfig-atlas @@ -0,0 +1,433 @@ +# +# Automatically generated make config: don't edit +# + +# +# Code maturity level options +# +CONFIG_EXPERIMENTAL=y + +# +# Machine selection +# +# CONFIG_ACER_PICA_61 is not set +# CONFIG_ALGOR_P4032 is not set +# CONFIG_BAGET_MIPS is not set +# CONFIG_COBALT_MICRO_SERVER is not set +# CONFIG_DECSTATION is not set +# CONFIG_DDB5074 is not set +# CONFIG_ORION is not set +CONFIG_MIPS_ATLAS=y +# CONFIG_MIPS_MALTA is not set +# CONFIG_MIPS_MAGNUM_4000 is not set +# CONFIG_OLIVETTI_M700 is not set +# CONFIG_SGI_IP22 is not set +# CONFIG_SNI_RM200_PCI is not set +# CONFIG_SBUS is not set +# CONFIG_ISA is not set +# CONFIG_PCI is not set + +# +# Loadable module support +# +# CONFIG_MODULES is not set + +# +# CPU selection +# +# CONFIG_CPU_R3000 is not set +# CONFIG_CPU_R6000 is not set +# CONFIG_CPU_R4300 is not set +# CONFIG_CPU_R4X00 is not set +CONFIG_CPU_R5000=y +# CONFIG_CPU_RM7000 is not set +# CONFIG_CPU_NEVADA is not set +# CONFIG_CPU_R8000 is not set +# CONFIG_CPU_R10000 is not set +# CONFIG_CPU_ADVANCED is not set +CONFIG_CPU_HAS_LLSC=y +# CONFIG_CPU_HAS_WB is not set + +# +# General setup +# +# CONFIG_CPU_LITTLE_ENDIAN is not set +CONFIG_KCORE_ELF=y +CONFIG_ELF_KERNEL=y +CONFIG_BINFMT_IRIX=y +# CONFIG_FORWARD_KEYBOARD is not set +# CONFIG_BINFMT_AOUT is not set +CONFIG_BINFMT_ELF=y +# CONFIG_BINFMT_MISC is not set +CONFIG_NET=y +CONFIG_SYSVIPC=y +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_SYSCTL is not set + +# +# Parallel port support +# +# CONFIG_PARPORT is not set +# CONFIG_PCMCIA is not set + +# +# Memory Technology Devices (MTD) +# +# CONFIG_MTD is not set + +# +# Block devices +# +# CONFIG_BLK_DEV_FD is not set +# CONFIG_BLK_DEV_XD is not set +# CONFIG_PARIDE is not set +# CONFIG_BLK_CPQ_DA is not set +# CONFIG_BLK_CPQ_CISS_DA is not set +# CONFIG_BLK_DEV_DAC960 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_SIZE=4096 +# CONFIG_BLK_DEV_INITRD is not set + +# +# Multi-device support (RAID and LVM) +# +# CONFIG_MD is not set +# CONFIG_BLK_DEV_MD is not set +# CONFIG_MD_LINEAR is not set +# CONFIG_MD_RAID0 is not set +# CONFIG_MD_RAID1 is not set +# CONFIG_MD_RAID5 is not set +# CONFIG_BLK_DEV_LVM is not set +# CONFIG_LVM_PROC_FS is not set + +# +# Networking options +# +# CONFIG_PACKET is not set +# CONFIG_NETLINK is not set +# CONFIG_NETFILTER is not set +# CONFIG_FILTER is not set +CONFIG_UNIX=y +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_PNP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_INET_ECN is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_IPV6 is not set +# CONFIG_KHTTPD is not set +# CONFIG_ATM is not set + +# +# +# +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_DECNET is not set +# CONFIG_BRIDGE is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_LLC is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_NET_FASTROUTE is not set +# CONFIG_NET_HW_FLOWCONTROL is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Telephony Support +# +# CONFIG_PHONE is not set +# CONFIG_PHONE_IXJ is not set + +# +# ATA/IDE/MFM/RLL support +# +# CONFIG_IDE is not set +# CONFIG_BLK_DEV_IDE_MODES is not set +# CONFIG_BLK_DEV_HD is not set + +# +# SCSI support +# +CONFIG_SCSI=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +CONFIG_SD_EXTRA_DEVS=40 +# CONFIG_CHR_DEV_ST is not set +# CONFIG_BLK_DEV_SR is not set +# CONFIG_CHR_DEV_SG is not set + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +# CONFIG_SCSI_DEBUG_QUEUES is not set +# CONFIG_SCSI_MULTI_LUN is not set +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set + +# +# SCSI low-level drivers +# +# CONFIG_SCSI_7000FASST is not set +# CONFIG_SCSI_ACARD is not set +# CONFIG_SCSI_AHA152X is not set +# CONFIG_SCSI_AHA1542 is not set +# CONFIG_SCSI_AHA1740 is not set +# CONFIG_SCSI_AIC7XXX is not set +# CONFIG_SCSI_ADVANSYS is not set +# CONFIG_SCSI_IN2000 is not set +# CONFIG_SCSI_AM53C974 is not set +# CONFIG_SCSI_MEGARAID is not set +# CONFIG_SCSI_BUSLOGIC is not set +# CONFIG_SCSI_DMX3191D is not set +# CONFIG_SCSI_DTC3280 is not set +# CONFIG_SCSI_EATA is not set +# CONFIG_SCSI_EATA_DMA is not set +# CONFIG_SCSI_EATA_PIO is not set +# CONFIG_SCSI_FUTURE_DOMAIN is not set +# CONFIG_SCSI_GDTH is not set +# CONFIG_SCSI_GENERIC_NCR5380 is not set +# CONFIG_SCSI_INITIO is not set +# CONFIG_SCSI_INIA100 is not set +# CONFIG_SCSI_NCR53C406A is not set +# CONFIG_SCSI_NCR53C7xx is not set +# CONFIG_SCSI_PAS16 is not set +# CONFIG_SCSI_PCI2000 is not set +# CONFIG_SCSI_PCI2220I is not set +# CONFIG_SCSI_PSI240I is not set +# CONFIG_SCSI_QLOGIC_FAS is not set +# CONFIG_SCSI_SIM710 is not set +# CONFIG_SCSI_SYM53C416 is not set +# CONFIG_SCSI_T128 is not set +# CONFIG_SCSI_U14_34F is not set +# CONFIG_SCSI_DEBUG is not set + +# +# I2O device support +# +# CONFIG_I2O is not set +# CONFIG_I2O_BLOCK is not set +# CONFIG_I2O_LAN is not set +# CONFIG_I2O_SCSI is not set +# CONFIG_I2O_PROC is not set + +# +# Network device support +# +CONFIG_NETDEVICES=y + +# +# ARCnet devices +# +# CONFIG_ARCNET is not set +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_NET_SB1000 is not set + +# +# Ethernet (10 or 100Mbit) +# +CONFIG_NET_ETHERNET=y +# CONFIG_NET_VENDOR_3COM is not set +# CONFIG_LANCE is not set +# CONFIG_NET_VENDOR_SMC is not set +# CONFIG_NET_VENDOR_RACAL is not set +# CONFIG_AT1700 is not set +# CONFIG_DEPCA is not set +# CONFIG_NET_ISA is not set +# CONFIG_NET_PCI is not set +# CONFIG_NET_POCKET is not set + +# +# Ethernet (1000 Mbit) +# +# CONFIG_ACENIC is not set +# CONFIG_HAMACHI is not set +# CONFIG_YELLOWFIN is not set +# CONFIG_SK98LIN is not set +# CONFIG_FDDI is not set +# CONFIG_HIPPI is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set + +# +# Wireless LAN (non-hamradio) +# +# CONFIG_NET_RADIO is not set + +# +# Token Ring devices +# +# CONFIG_TR is not set +# CONFIG_NET_FC is not set +# CONFIG_RCPCI is not set +# CONFIG_SHAPER is not set + +# +# Wan interfaces +# +# CONFIG_WAN is not set + +# +# Character devices +# +# CONFIG_VT is not set +CONFIG_SERIAL=y +CONFIG_SERIAL_CONSOLE=y +# CONFIG_SERIAL_EXTENDED is not set +# CONFIG_SERIAL_NONSTANDARD is not set +# CONFIG_UNIX98_PTYS is not set + +# +# I2C support +# +# CONFIG_I2C is not set + +# +# Mice +# +# CONFIG_BUSMOUSE is not set +# CONFIG_MOUSE is not set + +# +# Joysticks +# +# CONFIG_JOYSTICK is not set + +# +# Input core support is needed for joysticks +# +# CONFIG_QIC02_TAPE is not set + +# +# Watchdog Cards +# +# CONFIG_WATCHDOG is not set +# CONFIG_INTEL_RNG is not set +# CONFIG_NVRAM is not set +CONFIG_RTC=y +# CONFIG_DTLK is not set +# CONFIG_R3964 is not set +# CONFIG_APPLICOM is not set + +# +# Ftape, the floppy tape device driver +# +# CONFIG_FTAPE is not set +# CONFIG_AGP is not set +# CONFIG_DRM is not set + +# +# Multimedia devices +# +# CONFIG_VIDEO_DEV is not set + +# +# File systems +# +# CONFIG_QUOTA is not set +CONFIG_AUTOFS_FS=y +# CONFIG_AUTOFS4_FS is not set +# CONFIG_ADFS_FS is not set +# CONFIG_ADFS_FS_RW is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_FAT_FS is not set +# CONFIG_MSDOS_FS is not set +# CONFIG_UMSDOS_FS is not set +# CONFIG_VFAT_FS is not set +CONFIG_EFS_FS=y +# CONFIG_JFFS_FS is not set +# CONFIG_CRAMFS is not set +# CONFIG_RAMFS is not set +# CONFIG_ISO9660_FS is not set +# CONFIG_JOLIET is not set +# CONFIG_MINIX_FS is not set +# CONFIG_NTFS_FS is not set +# CONFIG_NTFS_RW is not set +# CONFIG_HPFS_FS is not set +CONFIG_PROC_FS=y +# CONFIG_DEVFS_FS is not set +# CONFIG_DEVFS_MOUNT is not set +# CONFIG_DEVFS_DEBUG is not set +# CONFIG_DEVPTS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_QNX4FS_RW is not set +# CONFIG_ROMFS_FS is not set +CONFIG_EXT2_FS=y +# CONFIG_SYSV_FS is not set +# CONFIG_SYSV_FS_WRITE is not set +# CONFIG_UDF_FS is not set +# CONFIG_UDF_RW is not set +# CONFIG_UFS_FS is not set +# CONFIG_UFS_FS_WRITE is not set + +# +# Network File Systems +# +# CONFIG_CODA_FS is not set +CONFIG_NFS_FS=y +# CONFIG_NFS_V3 is not set +CONFIG_ROOT_NFS=y +# CONFIG_NFSD is not set +# CONFIG_NFSD_V3 is not set +CONFIG_SUNRPC=y +CONFIG_LOCKD=y +# CONFIG_SMB_FS is not set +# CONFIG_NCP_FS is not set +# CONFIG_NCPFS_PACKET_SIGNING is not set +# CONFIG_NCPFS_IOCTL_LOCKING is not set +# CONFIG_NCPFS_STRONG is not set +# CONFIG_NCPFS_NFS_NS is not set +# CONFIG_NCPFS_OS2_NS is not set +# CONFIG_NCPFS_SMALLDOS is not set +# CONFIG_NCPFS_MOUNT_SUBDIR is not set +# CONFIG_NCPFS_NDS_DOMAINS is not set +# CONFIG_NCPFS_NLS is not set +# CONFIG_NCPFS_EXTRAS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y +# CONFIG_NLS is not set + +# +# Sound +# +# CONFIG_SOUND is not set + +# +# USB support +# +# CONFIG_USB is not set + +# +# Input core support +# +# CONFIG_INPUT is not set + +# +# Kernel hacking +# +CONFIG_CROSSCOMPILE=y +# CONFIG_REMOTE_DEBUG is not set +# CONFIG_MAGIC_SYSRQ is not set diff --git a/arch/mips/defconfig-malta b/arch/mips/defconfig-malta new file mode 100644 index 000000000..5ded67d46 --- /dev/null +++ b/arch/mips/defconfig-malta @@ -0,0 +1,431 @@ +# +# Automatically generated make config: don't edit +# + +# +# Code maturity level options +# +CONFIG_EXPERIMENTAL=y + +# +# Machine selection +# +# CONFIG_ACER_PICA_61 is not set +# CONFIG_ALGOR_P4032 is not set +# CONFIG_BAGET_MIPS is not set +# CONFIG_COBALT_MICRO_SERVER is not set +# CONFIG_DECSTATION is not set +# CONFIG_DDB5074 is not set +# CONFIG_ORION is not set +# CONFIG_MIPS_ATLAS is not set +CONFIG_MIPS_MALTA=y +# CONFIG_MIPS_MAGNUM_4000 is not set +# CONFIG_OLIVETTI_M700 is not set +# CONFIG_SGI_IP22 is not set +# CONFIG_SNI_RM200_PCI is not set +# CONFIG_SBUS is not set +# CONFIG_ISA is not set +# CONFIG_PCI is not set + +# +# Loadable module support +# +# CONFIG_MODULES is not set + +# +# CPU selection +# +# CONFIG_CPU_R3000 is not set +# CONFIG_CPU_R6000 is not set +# CONFIG_CPU_R4300 is not set +CONFIG_CPU_R4X00=y +# CONFIG_CPU_R5000 is not set +# CONFIG_CPU_RM7000 is not set +# CONFIG_CPU_NEVADA is not set +# CONFIG_CPU_R8000 is not set +# CONFIG_CPU_R10000 is not set +# CONFIG_CPU_ADVANCED is not set +CONFIG_CPU_HAS_LLSC=y +# CONFIG_CPU_HAS_WB is not set + +# +# General setup +# +CONFIG_CPU_LITTLE_ENDIAN=y +CONFIG_KCORE_ELF=y +CONFIG_ELF_KERNEL=y +# CONFIG_BINFMT_AOUT is not set +CONFIG_BINFMT_ELF=y +# CONFIG_BINFMT_MISC is not set +CONFIG_NET=y +CONFIG_SYSVIPC=y +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_SYSCTL is not set + +# +# Parallel port support +# +# CONFIG_PARPORT is not set +# CONFIG_PCMCIA is not set + +# +# Memory Technology Devices (MTD) +# +# CONFIG_MTD is not set + +# +# Block devices +# +CONFIG_BLK_DEV_FD=y +# CONFIG_BLK_DEV_XD is not set +# CONFIG_PARIDE is not set +# CONFIG_BLK_CPQ_DA is not set +# CONFIG_BLK_CPQ_CISS_DA is not set +# CONFIG_BLK_DEV_DAC960 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_SIZE=4096 +# CONFIG_BLK_DEV_INITRD is not set + +# +# Multi-device support (RAID and LVM) +# +# CONFIG_MD is not set +# CONFIG_BLK_DEV_MD is not set +# CONFIG_MD_LINEAR is not set +# CONFIG_MD_RAID0 is not set +# CONFIG_MD_RAID1 is not set +# CONFIG_MD_RAID5 is not set +# CONFIG_BLK_DEV_LVM is not set +# CONFIG_LVM_PROC_FS is not set + +# +# Networking options +# +# CONFIG_PACKET is not set +# CONFIG_NETLINK is not set +# CONFIG_NETFILTER is not set +# CONFIG_FILTER is not set +CONFIG_UNIX=y +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_PNP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_INET_ECN is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_IPV6 is not set +# CONFIG_KHTTPD is not set +# CONFIG_ATM is not set + +# +# +# +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_DECNET is not set +# CONFIG_BRIDGE is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_LLC is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_NET_FASTROUTE is not set +# CONFIG_NET_HW_FLOWCONTROL is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Telephony Support +# +# CONFIG_PHONE is not set +# CONFIG_PHONE_IXJ is not set + +# +# ATA/IDE/MFM/RLL support +# +# CONFIG_IDE is not set +# CONFIG_BLK_DEV_IDE_MODES is not set +# CONFIG_BLK_DEV_HD is not set + +# +# SCSI support +# +CONFIG_SCSI=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +CONFIG_SD_EXTRA_DEVS=40 +# CONFIG_CHR_DEV_ST is not set +# CONFIG_BLK_DEV_SR is not set +# CONFIG_CHR_DEV_SG is not set + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +# CONFIG_SCSI_DEBUG_QUEUES is not set +# CONFIG_SCSI_MULTI_LUN is not set +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set + +# +# SCSI low-level drivers +# +# CONFIG_SCSI_7000FASST is not set +# CONFIG_SCSI_ACARD is not set +# CONFIG_SCSI_AHA152X is not set +# CONFIG_SCSI_AHA1542 is not set +# CONFIG_SCSI_AHA1740 is not set +# CONFIG_SCSI_AIC7XXX is not set +# CONFIG_SCSI_ADVANSYS is not set +# CONFIG_SCSI_IN2000 is not set +# CONFIG_SCSI_AM53C974 is not set +# CONFIG_SCSI_MEGARAID is not set +# CONFIG_SCSI_BUSLOGIC is not set +# CONFIG_SCSI_DMX3191D is not set +# CONFIG_SCSI_DTC3280 is not set +# CONFIG_SCSI_EATA is not set +# CONFIG_SCSI_EATA_DMA is not set +# CONFIG_SCSI_EATA_PIO is not set +# CONFIG_SCSI_FUTURE_DOMAIN is not set +# CONFIG_SCSI_GDTH is not set +# CONFIG_SCSI_GENERIC_NCR5380 is not set +# CONFIG_SCSI_INITIO is not set +# CONFIG_SCSI_INIA100 is not set +# CONFIG_SCSI_NCR53C406A is not set +# CONFIG_SCSI_NCR53C7xx is not set +# CONFIG_SCSI_PAS16 is not set +# CONFIG_SCSI_PCI2000 is not set +# CONFIG_SCSI_PCI2220I is not set +# CONFIG_SCSI_PSI240I is not set +# CONFIG_SCSI_QLOGIC_FAS is not set +# CONFIG_SCSI_SIM710 is not set +# CONFIG_SCSI_SYM53C416 is not set +# CONFIG_SCSI_T128 is not set +# CONFIG_SCSI_U14_34F is not set +# CONFIG_SCSI_DEBUG is not set + +# +# I2O device support +# +# CONFIG_I2O is not set +# CONFIG_I2O_BLOCK is not set +# CONFIG_I2O_LAN is not set +# CONFIG_I2O_SCSI is not set +# CONFIG_I2O_PROC is not set + +# +# Network device support +# +CONFIG_NETDEVICES=y + +# +# ARCnet devices +# +# CONFIG_ARCNET is not set +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_NET_SB1000 is not set + +# +# Ethernet (10 or 100Mbit) +# +CONFIG_NET_ETHERNET=y +# CONFIG_NET_VENDOR_3COM is not set +# CONFIG_LANCE is not set +# CONFIG_NET_VENDOR_SMC is not set +# CONFIG_NET_VENDOR_RACAL is not set +# CONFIG_AT1700 is not set +# CONFIG_DEPCA is not set +# CONFIG_NET_ISA is not set +# CONFIG_NET_PCI is not set +# CONFIG_NET_POCKET is not set + +# +# Ethernet (1000 Mbit) +# +# CONFIG_ACENIC is not set +# CONFIG_HAMACHI is not set +# CONFIG_YELLOWFIN is not set +# CONFIG_SK98LIN is not set +# CONFIG_FDDI is not set +# CONFIG_HIPPI is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set + +# +# Wireless LAN (non-hamradio) +# +# CONFIG_NET_RADIO is not set + +# +# Token Ring devices +# +# CONFIG_TR is not set +# CONFIG_NET_FC is not set +# CONFIG_RCPCI is not set +# CONFIG_SHAPER is not set + +# +# Wan interfaces +# +# CONFIG_WAN is not set + +# +# Character devices +# +# CONFIG_VT is not set +CONFIG_SERIAL=y +CONFIG_SERIAL_CONSOLE=y +# CONFIG_SERIAL_EXTENDED is not set +# CONFIG_SERIAL_NONSTANDARD is not set +# CONFIG_UNIX98_PTYS is not set + +# +# I2C support +# +# CONFIG_I2C is not set + +# +# Mice +# +# CONFIG_BUSMOUSE is not set +# CONFIG_MOUSE is not set + +# +# Joysticks +# +# CONFIG_JOYSTICK is not set + +# +# Input core support is needed for joysticks +# +# CONFIG_QIC02_TAPE is not set + +# +# Watchdog Cards +# +# CONFIG_WATCHDOG is not set +# CONFIG_INTEL_RNG is not set +# CONFIG_NVRAM is not set +CONFIG_RTC=y +# CONFIG_DTLK is not set +# CONFIG_R3964 is not set +# CONFIG_APPLICOM is not set + +# +# Ftape, the floppy tape device driver +# +# CONFIG_FTAPE is not set +# CONFIG_AGP is not set +# CONFIG_DRM is not set + +# +# Multimedia devices +# +# CONFIG_VIDEO_DEV is not set + +# +# File systems +# +# CONFIG_QUOTA is not set +CONFIG_AUTOFS_FS=y +# CONFIG_AUTOFS4_FS is not set +# CONFIG_ADFS_FS is not set +# CONFIG_ADFS_FS_RW is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_FAT_FS is not set +# CONFIG_MSDOS_FS is not set +# CONFIG_UMSDOS_FS is not set +# CONFIG_VFAT_FS is not set +CONFIG_EFS_FS=y +# CONFIG_JFFS_FS is not set +# CONFIG_CRAMFS is not set +# CONFIG_RAMFS is not set +# CONFIG_ISO9660_FS is not set +# CONFIG_JOLIET is not set +# CONFIG_MINIX_FS is not set +# CONFIG_NTFS_FS is not set +# CONFIG_NTFS_RW is not set +# CONFIG_HPFS_FS is not set +CONFIG_PROC_FS=y +# CONFIG_DEVFS_FS is not set +# CONFIG_DEVFS_MOUNT is not set +# CONFIG_DEVFS_DEBUG is not set +# CONFIG_DEVPTS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_QNX4FS_RW is not set +# CONFIG_ROMFS_FS is not set +CONFIG_EXT2_FS=y +# CONFIG_SYSV_FS is not set +# CONFIG_SYSV_FS_WRITE is not set +# CONFIG_UDF_FS is not set +# CONFIG_UDF_RW is not set +# CONFIG_UFS_FS is not set +# CONFIG_UFS_FS_WRITE is not set + +# +# Network File Systems +# +# CONFIG_CODA_FS is not set +CONFIG_NFS_FS=y +# CONFIG_NFS_V3 is not set +CONFIG_ROOT_NFS=y +# CONFIG_NFSD is not set +# CONFIG_NFSD_V3 is not set +CONFIG_SUNRPC=y +CONFIG_LOCKD=y +# CONFIG_SMB_FS is not set +# CONFIG_NCP_FS is not set +# CONFIG_NCPFS_PACKET_SIGNING is not set +# CONFIG_NCPFS_IOCTL_LOCKING is not set +# CONFIG_NCPFS_STRONG is not set +# CONFIG_NCPFS_NFS_NS is not set +# CONFIG_NCPFS_OS2_NS is not set +# CONFIG_NCPFS_SMALLDOS is not set +# CONFIG_NCPFS_MOUNT_SUBDIR is not set +# CONFIG_NCPFS_NDS_DOMAINS is not set +# CONFIG_NCPFS_NLS is not set +# CONFIG_NCPFS_EXTRAS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y +# CONFIG_NLS is not set + +# +# Sound +# +# CONFIG_SOUND is not set + +# +# USB support +# +# CONFIG_USB is not set + +# +# Input core support +# +# CONFIG_INPUT is not set + +# +# Kernel hacking +# +CONFIG_CROSSCOMPILE=y +# CONFIG_REMOTE_DEBUG is not set +# CONFIG_MAGIC_SYSRQ is not set diff --git a/arch/mips/mips-boards/atlas/Makefile b/arch/mips/mips-boards/atlas/Makefile new file mode 100644 index 000000000..822946539 --- /dev/null +++ b/arch/mips/mips-boards/atlas/Makefile @@ -0,0 +1,50 @@ +# $Id: Makefile,v 1.1 2000/07/07 10:20:28 carstenl Exp $ +# +# Makefile +# +# Carsten Langgaard, carstenl@mips.com +# Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. +# +# ######################################################################## +# +# This program is free software; you can distribute it and/or modify it +# under the terms of the GNU General Public License (Version 2) as +# published by the Free Software Foundation. +# +# This program is distributed in the hope it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. +# +# ####################################################################### +# +# Makefile for the MIPS Atlas specific kernel interface routines +# under Linux. +# +# Note! Dependencies are done automagically by 'make dep', which also +# removes any old dependencies. DON'T put your own dependencies here +# unless it's something special (ie not a .c file). +# +# Note 2! The CFLAGS definitions are now in the main makefile... + +.S.s: + $(CPP) $(CFLAGS) $< -o $*.s +.S.o: + $(CC) $(CFLAGS) -c $< -o $*.o + +OBJS = atlas_int.o atlas_rtc.o atlas_setup.o + +all: atlas.a + +atlas.a: $(OBJS) + $(AR) rcs atlas.a $(OBJS) + sync + +dep: + $(CPP) -M *.c > .depend + +include $(TOPDIR)/Rules.make diff --git a/arch/mips/mips-boards/atlas/atlas_int.c b/arch/mips/mips-boards/atlas/atlas_int.c new file mode 100644 index 000000000..ff4e31d07 --- /dev/null +++ b/arch/mips/mips-boards/atlas/atlas_int.c @@ -0,0 +1,268 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Routines for generic manipulation of the interrupts found on the MIPS + * Atlas board. + * + */ +#include <linux/config.h> +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/kernel_stat.h> + +#include <asm/irq.h> +#include <asm/mips-boards/atlas.h> +#include <asm/mips-boards/atlasint.h> + + +struct atlas_ictrl_regs *atlas_hw0_icregs; + +extern asmlinkage void mipsIRQ(void); + +unsigned int local_bh_count[NR_CPUS]; +unsigned int local_irq_count[NR_CPUS]; +unsigned long spurious_count = 0; + +static struct irqaction *hw0_irq_action[ATLASINT_END] = { + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL +}; + +static struct irqaction r4ktimer_action = { + NULL, 0, 0, "R4000 timer/counter", NULL, NULL, +}; + +static struct irqaction *irq_action[8] = { + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, &r4ktimer_action +}; + +#if 0 +#define DEBUG_INT(x...) printk(x) +#else +#define DEBUG_INT(x...) +#endif + +void disable_irq(unsigned int irq_nr) +{ + unsigned long flags; + + if(irq_nr >= ATLASINT_END) { + printk("whee, invalid irq_nr %d\n", irq_nr); + panic("IRQ, you lose..."); + } + + save_and_cli(flags); + atlas_hw0_icregs->intrsten = (1 << irq_nr); + restore_flags(flags); +} + + +void enable_irq(unsigned int irq_nr) +{ + unsigned long flags; + + if(irq_nr >= ATLASINT_END) { + printk("whee, invalid irq_nr %d\n", irq_nr); + panic("IRQ, you lose..."); + } + + save_and_cli(flags); + atlas_hw0_icregs->intseten = (1 << irq_nr); + restore_flags(flags); +} + + +int get_irq_list(char *buf) +{ + int i, len = 0; + int num = 0; + struct irqaction *action; + + for (i = 0; i < 8; i++, num++) { + action = irq_action[i]; + if (!action) + continue; + len += sprintf(buf+len, "%2d: %8d %c %s", + num, kstat.irqs[0][num], + (action->flags & SA_INTERRUPT) ? '+' : ' ', + action->name); + for (action=action->next; action; action = action->next) { + len += sprintf(buf+len, ",%s %s", + (action->flags & SA_INTERRUPT) ? " +" : "", + action->name); + } + len += sprintf(buf+len, " [on-chip]\n"); + } + for (i = 0; i < ATLASINT_END; i++, num++) { + action = hw0_irq_action[i]; + if (!action) + continue; + len += sprintf(buf+len, "%2d: %8d %c %s", + num, kstat.irqs[0][num], + (action->flags & SA_INTERRUPT) ? '+' : ' ', + action->name); + for (action=action->next; action; action = action->next) { + len += sprintf(buf+len, ",%s %s", + (action->flags & SA_INTERRUPT) ? " +" : "", + action->name); + } + len += sprintf(buf+len, " [hw0]\n"); + } + return len; +} + + +int request_irq(unsigned int irq, + void (*handler)(int, void *, struct pt_regs *), + unsigned long irqflags, + const char * devname, + void *dev_id) +{ + struct irqaction *action; + + DEBUG_INT("request_irq: irq=%d, devname = %s\n", irq, devname); + + if (irq >= ATLASINT_END) + return -EINVAL; + if (!handler) + return -EINVAL; + + action = (struct irqaction *)kmalloc(sizeof(struct irqaction), GFP_KERNEL); + if(!action) + return -ENOMEM; + + action->handler = handler; + action->flags = irqflags; + action->mask = 0; + action->name = devname; + action->dev_id = dev_id; + action->next = 0; + hw0_irq_action[irq] = action; + enable_irq(irq); + + return 0; +} + + +void free_irq(unsigned int irq, void *dev_id) +{ + struct irqaction *action; + + if (irq >= ATLASINT_END) { + printk("Trying to free IRQ%d\n",irq); + return; + } + + action = hw0_irq_action[irq]; + hw0_irq_action[irq] = NULL; + disable_irq(irq); + kfree(action); +} + + +int (*irq_cannonicalize)(int irq); + +static int atlas_irq_cannonicalize(int irq) +{ + return irq; /* Sane hardware, sane code ... */ +} + + +void __init init_IRQ(void) +{ + irq_cannonicalize = atlas_irq_cannonicalize; + irq_setup(); +} + + +void atlas_hw0_irqdispatch(struct pt_regs *regs) +{ + struct irqaction *action; + int irq, cpu = smp_processor_id(); + unsigned long int_status; + int i; + + DEBUG_INT("atlas_hw0_irqdispatch\n"); + + int_status = atlas_hw0_icregs->intstatus; + + /* if int_status == 0, then the interrupt has already been cleared */ + if (int_status == 0) + return; + + for (i=0; i<ATLASINT_END; i++) + if (int_status & 1<<i) + break; + + irq = i; + action = hw0_irq_action[irq]; + + DEBUG_INT("atlas_hw0_irqdispatch: irq=%d\n", irq); + + /* if action == NULL, then we don't have a handler for the irq */ + if ( action == NULL ) { + printk("No handler for hw0 irq: %i\n", irq); + return; + } + + hardirq_enter(cpu); + kstat.irqs[0][irq + 8]++; + action->handler(irq, action->dev_id, regs); + hardirq_exit(cpu); + + return; +} + + +/* Misc. crap just to keep the kernel linking... */ +unsigned long probe_irq_on (void) +{ + return 0; +} + + +int probe_irq_off (unsigned long irqs) +{ + return 0; +} + + +void __init atlasint_init(void) +{ + /* + * Mask out all interrupt by writing "1" to all bit position in + * the interrupt reset reg. + */ + atlas_hw0_icregs = (struct atlas_ictrl_regs *)ATLAS_ICTRL_REGS_BASE; + atlas_hw0_icregs->intrsten = 0xffffffff; + + /* Now safe to set the exception vector. */ + set_except_vector(0, mipsIRQ); +} diff --git a/arch/mips/mips-boards/atlas/atlas_rtc.c b/arch/mips/mips-boards/atlas/atlas_rtc.c new file mode 100644 index 000000000..b2cc1ad47 --- /dev/null +++ b/arch/mips/mips-boards/atlas/atlas_rtc.c @@ -0,0 +1,57 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * RTC routines for Atlas style attached Dallas chip. + * + */ +#include <linux/mc146818rtc.h> +#include <asm/mips-boards/atlas.h> + + +static unsigned char atlas_rtc_read_data(unsigned long addr) +{ + volatile unsigned int *rtc_adr_reg = (void *)ATLAS_RTC_ADR_REG; + volatile unsigned int *rtc_dat_reg = (void *)ATLAS_RTC_DAT_REG; + + *rtc_adr_reg = addr; + + return *rtc_dat_reg; +} + +static void atlas_rtc_write_data(unsigned char data, unsigned long addr) +{ + volatile unsigned int *rtc_adr_reg = (void *)ATLAS_RTC_ADR_REG; + volatile unsigned int *rtc_dat_reg = (void *)ATLAS_RTC_DAT_REG; + + *rtc_adr_reg = addr; + *rtc_dat_reg = data; +} + +static int atlas_rtc_bcd_mode(void) +{ + return 0; +} + +struct rtc_ops atlas_rtc_ops = { + &atlas_rtc_read_data, + &atlas_rtc_write_data, + &atlas_rtc_bcd_mode +}; diff --git a/arch/mips/mips-boards/atlas/atlas_setup.c b/arch/mips/mips-boards/atlas/atlas_setup.c new file mode 100644 index 000000000..948fac6a9 --- /dev/null +++ b/arch/mips/mips-boards/atlas/atlas_setup.c @@ -0,0 +1,137 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Atlas specific setup, including init of the feature struct. + * + */ +#include <linux/config.h> +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/mc146818rtc.h> + +#include <asm/cpu.h> +#include <asm/bootinfo.h> +#include <asm/irq.h> +#include <asm/mips-boards/prom.h> +#include <asm/mips-boards/atlasint.h> + +#if defined(CONFIG_SERIAL_CONSOLE) || defined(CONFIG_PROM_CONSOLE) +extern void console_setup(char *, int *); +char serial_console[20]; +#endif + +#ifdef CONFIG_REMOTE_DEBUG +extern void rs_kgdb_hook(int); +extern void saa9730_kgdb_hook(void); +extern void breakpoint(void); +static int remote_debug = 0; +static int kgdb_on_pci = 0; +#endif + +extern struct rtc_ops atlas_rtc_ops; + +extern void mips_reboot_setup(void); + + +static void __init atlas_irq_setup(void) +{ + atlasint_init(); + +#ifdef CONFIG_REMOTE_DEBUG + /* If local serial I/O used for debug port, enter kgdb at once */ + /* Otherwise, this will be done after the SAA9730 is up*/ + if (remote_debug && !kgdb_on_pci) { + set_debug_traps(); + breakpoint(); + } +#endif +} + + +void __init atlas_setup(void) +{ +#ifdef CONFIG_REMOTE_DEBUG + int rs_putDebugChar(char); + char rs_getDebugChar(void); + int saa9730_putDebugChar(char); + char saa9730_getDebugChar(void); + extern int (*putDebugChar)(char); + extern char (*getDebugChar)(void); +#endif + char *argptr; + + irq_setup = atlas_irq_setup; + +#ifdef CONFIG_SERIAL_CONSOLE + argptr = prom_getcmdline(); + if ((argptr = strstr(argptr, "console=ttyS0")) == NULL) + { + int i=0; + char *s = prom_getenv("modetty0"); + while(s[i] >= '0' && s[i] <= '9') + i++; + strcpy(serial_console, "ttyS0,"); + strncpy(serial_console + 6, s, i); + prom_printf("Config serial console: %s\n", serial_console); + console_setup(serial_console, NULL); + } +#endif + +#ifdef CONFIG_REMOTE_DEBUG + argptr = prom_getcmdline(); + if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) { + int line; + argptr += strlen("kgdb=ttyS"); + if (*argptr != '0' && *argptr != '1') + printk("KGDB: Uknown serial line /dev/ttyS%c, " + "falling back to /dev/ttyS1\n", *argptr); + line = *argptr == '0' ? 0 : 1; + printk("KGDB: Using serial line /dev/ttyS%d for session\n", + line ? 1 : 0); + + if(line == 0) { + rs_kgdb_hook(line); + putDebugChar = rs_putDebugChar; + getDebugChar = rs_getDebugChar; + } else { + saa9730_kgdb_hook(); + putDebugChar = saa9730_putDebugChar; + getDebugChar = saa9730_getDebugChar; + kgdb_on_pci = 1; + } + + prom_printf("KGDB: Using serial line /dev/ttyS%d for session, " + "please connect your debugger\n", line ? 1 : 0); + + remote_debug = 1; + /* Breakpoints and stuff are in atlas_irq_setup() */ + } +#endif + argptr = prom_getcmdline(); +#if 0 /* Later -- Ralf */ + if ((argptr = strstr(argptr, "nofpu")) != NULL) + mips_cpu.options &= ~MIPS_CPU_FPU; +#endif + + rtc_ops = &atlas_rtc_ops; + + mips_reboot_setup(); +} diff --git a/arch/mips/mips-boards/generic/Makefile b/arch/mips/mips-boards/generic/Makefile new file mode 100644 index 000000000..377190c96 --- /dev/null +++ b/arch/mips/mips-boards/generic/Makefile @@ -0,0 +1,49 @@ +# $Id: Makefile,v 1.1 2000/07/07 10:21:35 carstenl Exp $ +# +# Makefile +# +# Carsten Langgaard, carstenl@mips.com +# Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. +# +# ######################################################################## +# +# This program is free software; you can distribute it and/or modify it +# under the terms of the GNU General Public License (Version 2) as +# published by the Free Software Foundation. +# +# This program is distributed in the hope it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. +# +# ####################################################################### +# +# Makefile for the MIPS boards generic routines under Linux. +# +# Note! Dependencies are done automagically by 'make dep', which also +# removes any old dependencies. DON'T put your own dependencies here +# unless it's something special (ie not a .c file). +# +# Note 2! The CFLAGS definitions are now in the main makefile... + +.S.s: + $(CPP) $(CFLAGS) $< -o $*.s +.S.o: + $(CC) $(CFLAGS) -c $< -o $*.o + +OBJS = mipsIRQ.o pci.o reset.o display.o init.o memory.o printf.o cmdline.o time.o + +all: mipsboards.a + +mipsboards.a: $(OBJS) + $(AR) rcs mipsboards.a $(OBJS) + sync + +dep: + $(CPP) -M *.c > .depend + +include $(TOPDIR)/Rules.make diff --git a/arch/mips/mips-boards/generic/cmdline.c b/arch/mips/mips-boards/generic/cmdline.c new file mode 100644 index 000000000..b14650f41 --- /dev/null +++ b/arch/mips/mips-boards/generic/cmdline.c @@ -0,0 +1,65 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Kernel command line creation using the prom monitor (YAMON) argc/argv. + * + */ +#include <linux/config.h> +#include <linux/init.h> +#include <linux/string.h> + +#include <asm/bootinfo.h> + +/* #define DEBUG_CMDLINE */ + +extern int prom_argc; +extern char **prom_argv; + +char arcs_cmdline[CL_SIZE]; + +char * __init prom_getcmdline(void) +{ + return &(arcs_cmdline[0]); +} + + +void __init prom_init_cmdline(void) +{ + char *cp; + int actr; + + actr = 1; /* Always ignore argv[0] */ + + cp = &(arcs_cmdline[0]); + while(actr < prom_argc) { + strcpy(cp, prom_argv[actr]); + cp += strlen(prom_argv[actr]); + *cp++ = ' '; + actr++; + } + if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */ + --cp; + *cp = '\0'; + +#ifdef DEBUG_CMDLINE + prom_printf("prom_init_cmdline: %s\n", &(arcs_cmdline[0])); +#endif +} diff --git a/arch/mips/mips-boards/generic/display.c b/arch/mips/mips-boards/generic/display.c new file mode 100644 index 000000000..218c4e624 --- /dev/null +++ b/arch/mips/mips-boards/generic/display.c @@ -0,0 +1,47 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Display routines for display messages in MIPS boards ascii display. + * + */ + +#include <asm/mips-boards/generic.h> + + +void mips_display_message(const char *str) +{ + volatile unsigned int *display = (void *)ASCII_DISPLAY_POS_BASE; + int i; + + for (i = 0; i <= 14; i=i+2) { + if (*str) + display[i] = *str++; + else + display[i] = ' '; + } +} + +void mips_display_word(unsigned int num) +{ + volatile unsigned int *display = (void *)ASCII_DISPLAY_WORD_BASE; + + *display = num; +} diff --git a/arch/mips/mips-boards/generic/init.c b/arch/mips/mips-boards/generic/init.c new file mode 100644 index 000000000..f5b71c020 --- /dev/null +++ b/arch/mips/mips-boards/generic/init.c @@ -0,0 +1,126 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * PROM library initialisation code. + */ +#include <linux/config.h> +#include <linux/init.h> +#include <linux/string.h> +#include <linux/kernel.h> + +#include <asm/mips-boards/prom.h> + +/* Environment variable */ +typedef struct +{ + char *name; + char *val; +}t_env_var; + +int prom_argc; +char **prom_argv, **prom_envp; + +int init_debug = 0; + +char *prom_getenv(char *envname) +{ + /* + * Return a pointer to the given environment variable. + */ + + t_env_var *env = (t_env_var *)prom_envp; + int i; + + i = strlen(envname); + + while(env->name) { + if(strncmp(envname, env->name, i) == 0) { + return(env->val); + } + env++; + } + return(NULL); +} + +static inline unsigned char str2hexnum(unsigned char c) +{ + if(c >= '0' && c <= '9') + return c - '0'; + if(c >= 'a' && c <= 'f') + return c - 'a' + 10; + return 0; /* foo */ +} + +static inline void str2eaddr(unsigned char *ea, unsigned char *str) +{ + int i; + + for(i = 0; i < 6; i++) { + unsigned char num; + + if((*str == '.') || (*str == ':')) + str++; + num = str2hexnum(*str++) << 4; + num |= (str2hexnum(*str++)); + ea[i] = num; + } +} + +int get_ethernet_addr(char *ethernet_addr) +{ + char *ethaddr_str; + + ethaddr_str = prom_getenv("ethaddr"); + if (!ethaddr_str) { + printk("ethaddr not set in boot prom\n"); + return -1; + } + str2eaddr(ethernet_addr, ethaddr_str); + + if (init_debug > 1) + { + int i; + printk("get_ethernet_addr: "); + for (i=0; i<5; i++) + printk("%02x:", (unsigned char)*(ethernet_addr+i)); + printk("%02x\n", *(ethernet_addr+i)); + } + + return 0; +} + +int __init prom_init(int argc, char **argv, char **envp) +{ + prom_argc = argc; + prom_argv = argv; + prom_envp = envp; + + mips_display_message("LINUX"); + + setup_prom_printf(); + prom_printf("\nLINUX started...\n"); + + prom_init_cmdline(); + + prom_meminit(); + + return 0; +} diff --git a/arch/mips/mips-boards/generic/memory.c b/arch/mips/mips-boards/generic/memory.c new file mode 100644 index 000000000..b8e442f70 --- /dev/null +++ b/arch/mips/mips-boards/generic/memory.c @@ -0,0 +1,246 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * PROM library functions for acquiring/using memory descriptors given to + * us from the YAMON. + * + */ +#include <linux/config.h> +#include <linux/init.h> +#include <linux/mm.h> + +#include <asm/bootinfo.h> +#include <asm/page.h> + +#include <asm/mips-boards/prom.h> + +/* #define DEBUG */ + +enum yamon_memtypes { + yamon_dontuse, + yamon_prom, + yamon_free, +}; +struct prom_pmemblock mdesc[PROM_MAX_PMEMBLOCKS]; + +#define MEMTYPE_DONTUSE 0 +#define MEMTYPE_PROM 1 +#define MEMTYPE_FREE 2 + +#ifdef DEBUG +static char *mtypes[3] = { + "Dont use memory", + "YAMON PROM memory", + "Free memmory", +}; +#endif + +struct prom_pmemblock * __init prom_getmdesc(void) +{ + char *memsize_str; + unsigned int memsize; + + memsize_str = prom_getenv("memsize"); + if (!memsize_str) { + prom_printf("memsize not set in boot prom, set to default (32Mb)\n"); + memsize = 0x02000000; + } + else + { +#ifdef DEBUG + prom_printf("prom_memsize = %s\n", memsize_str); +#endif + memsize = simple_strtol(memsize_str, NULL, 0); + } + + memset(mdesc, 0, sizeof(mdesc)); + + mdesc[0].type = yamon_dontuse; + mdesc[0].base = 0x00000000; + mdesc[0].size = 0x00001000; + + mdesc[1].type = yamon_prom; + mdesc[1].base = 0x00001000; + mdesc[1].size = 0x000ef000; + +#if (CONFIG_MIPS_MALTA) + /* + * The area 0x000f0000-0x000fffff is allocated for BIOS memory by the + * south bridge and PCI access always forwarded to the ISA Bus and + * BIOSCS# is always generated. + * This mean that this area can't be used as DMA memory for PCI + * devices. + */ + mdesc[2].type = yamon_dontuse; + mdesc[2].base = 0x000f0000; + mdesc[2].size = 0x00010000; +#else + mdesc[2].type = yamon_prom; + mdesc[2].base = 0x000f0000; + mdesc[2].size = 0x00010000; +#endif + + mdesc[3].type = yamon_free; + mdesc[3].base = 0x00100000; + mdesc[3].size = memsize - mdesc[3].base; + + return &mdesc[0]; +} + +static struct prom_pmemblock prom_pblocks[PROM_MAX_PMEMBLOCKS]; + +struct prom_pmemblock * __init prom_getpblock_array(void) +{ + return &prom_pblocks[0]; +} + +static int __init prom_memtype_classify (unsigned int type) +{ + switch (type) { + case yamon_free: + return MEMTYPE_FREE; + case yamon_prom: + return MEMTYPE_PROM; + default: + return MEMTYPE_DONTUSE; + } +} + +static void __init prom_setup_memupper(void) +{ + struct prom_pmemblock *p, *highest; + + for(p = prom_getpblock_array(), highest = 0; p->size != 0; p++) { + if(p->base == 0xdeadbeef) + prom_printf("WHEEE, bogus pmemblock\n"); + if(!highest || p->base > highest->base) + highest = p; + } + mips_memory_upper = highest->base + highest->size; +#ifdef DEBUG + prom_printf("prom_setup_memupper: mips_memory_upper = %08lx\n", + mips_memory_upper); +#endif +} + +void __init prom_meminit(void) +{ + struct prom_pmemblock *p; + int totram; + int i = 0; + +#ifdef DEBUG + p = prom_getmdesc(); + prom_printf("YAMON MEMORY DESCRIPTOR dump:\n"); + while(p->size) { + prom_printf("[%d,%p]: base<%08lx> size<%08lx> type<%s>\n", + i, p, p->base, p->size, memtypes[p->type]); + p++; + i++; + } +#endif + p = prom_getmdesc(); + totram = 0; + i = 0; + while(p->size) { + prom_pblocks[i].type = prom_memtype_classify (p->type); + prom_pblocks[i].base = p->base | 0x80000000; + prom_pblocks[i].size = p->size; + switch (prom_pblocks[i].type) { + case MEMTYPE_FREE: + totram += prom_pblocks[i].size; +#ifdef DEBUG + prom_printf("free_chunk[%d]: base=%08lx size=%d\n", + i, prom_pblocks[i].base, + prom_pblocks[i].size); +#endif + i++; + break; + case MEMTYPE_PROM: +#ifdef DEBUG + prom_printf("prom_chunk[%d]: base=%08lx size=%d\n", + i, prom_pblocks[i].base, + prom_pblocks[i].size); +#endif + i++; + break; + default: + break; + } + p++; + } + prom_pblocks[i].base = 0xdeadbeef; + prom_pblocks[i].size = 0; /* indicates last elem. of array */ + printk("PROMLIB: Total free ram %d bytes (%dK,%dMB)\n", + totram, (totram/1024), (totram/1024/1024)); + + /* Setup upper physical memory bound. */ + prom_setup_memupper(); +} + +/* Called from mem_init() to fixup the mem_map page settings. */ +void __init prom_fixup_mem_map(unsigned long start, unsigned long end) +{ + struct prom_pmemblock *p; + int i, nents; + + /* Determine number of pblockarray entries. */ + p = prom_getpblock_array(); + for(i = 0; p[i].size; i++) + ; + nents = i; +restart: + while(start < end) { + for(i = 0; i < nents; i++) { + if((p[i].type == MEMTYPE_FREE) && + (start >= (p[i].base)) && + (start < (p[i].base + p[i].size))) { + start = p[i].base + p[i].size; + start &= PAGE_MASK; + goto restart; + } + } + set_bit(PG_reserved, &mem_map[MAP_NR(start)].flags); + start += PAGE_SIZE; + } +} + +void prom_free_prom_memory (void) +{ + struct prom_pmemblock *p; + unsigned long addr; + unsigned long num_pages = 0; + + for (p = prom_getpblock_array(); p->size != 0; p++) { + if (p->type != MEMTYPE_PROM) + continue; + + for (addr = p->base; addr < p->base + p->size; + addr += PAGE_SIZE) { + mem_map[MAP_NR(addr)].flags &= ~(1 << PG_reserved); + atomic_set(&mem_map[MAP_NR(addr)].count, 1); + free_page(addr); + num_pages++; + } + } + printk("Freeing prom memory: %ldk freed\n", + (num_pages << (PAGE_SHIFT - 10))); +} diff --git a/arch/mips/mips-boards/generic/mipsIRQ.S b/arch/mips/mips-boards/generic/mipsIRQ.S new file mode 100644 index 000000000..110f67fad --- /dev/null +++ b/arch/mips/mips-boards/generic/mipsIRQ.S @@ -0,0 +1,127 @@ +/* $Id: mipsIRQ.S,v 1.2 2000/08/25 06:53:54 carstenl Exp $ + * + * mipsIRQ.S + * + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Interrupt exception dispatch code. + * + */ + +#include <linux/config.h> + +#include <asm/asm.h> +#include <asm/mipsregs.h> +#include <asm/regdef.h> +#include <asm/stackframe.h> + + /* A lot of complication here is taken away because: + * + * 1) We handle one interrupt and return, sitting in a loop + * and moving across all the pending IRQ bits in the cause + * register is _NOT_ the answer, the common case is one + * pending IRQ so optimize in that direction. + * + * 2) We need not check against bits in the status register + * IRQ mask, that would make this routine slow as hell. + * + * 3) Linux only thinks in terms of all IRQs on or all IRQs + * off, nothing in between like BSD spl() brain-damage. + * + * Furthermore, the IRQs on the MIPS board look basically (barring + * software IRQs which we don't use at all and all external interrupt + * sources are combined together on hardware interrupt 0 (MIPS + * IRQ 2)) like: + * + * MIPS IRQ Source + * -------- ------ + * 0 Software (ignored) + * 1 Software (ignored) + * 2 Combined hardware interrupt (hw0) + * 3 Hardware (ignored) + * 4 Hardware (ignored) + * 5 Hardware (ignored) + * 6 Hardware (ignored) + * 7 R4k timer (what we use) + * + * We handle the IRQ according to _our_ priority which is: + * + * Highest ---- R4k Timer + * Lowest ---- Combined hardware interrupt + * + * then we just return, if multiple IRQs are pending then + * we will just take another exception, big deal. + */ + + .text + .set noreorder + .set noat + .align 5 + NESTED(mipsIRQ, PT_SIZE, sp) + SAVE_ALL + CLI + .set at + + mfc0 s0, CP0_CAUSE # get irq mask + + /* First we check for r4k counter/timer IRQ. */ + andi a0, s0, CAUSEF_IP7 + beq a0, zero, 1f + andi a0, s0, CAUSEF_IP2 # delay slot, check hw0 interrupt + + /* Wheee, a timer interrupt. */ + move a0, sp + jal mips_timer_interrupt + nop # delay slot + + j ret_from_irq + nop # delay slot + +1: + beq a0, zero, 1f + nop + + /* Wheee, combined hardware level zero interrupt. */ +#if defined(CONFIG_MIPS_ATLAS) + jal atlas_hw0_irqdispatch +#elif defined(CONFIG_MIPS_MALTA) + jal malta_hw0_irqdispatch +#else +#error "MIPS board not supported\n" +#endif + move a0, sp # delay slot + + j ret_from_irq + nop # delay slot + +1: + /* Here by mistake? This is possible, what can happen + * is that by the time we take the exception the IRQ + * pin goes low, so just leave if this is the case. + */ + move a1,s0 + PRINT("Got interrupt: c0_cause = %08x\n") + mfc0 a1, CP0_EPC + PRINT("c0_epc = %08x\n") + + j ret_from_irq + nop + END(mipsIRQ) diff --git a/arch/mips/mips-boards/generic/pci.c b/arch/mips/mips-boards/generic/pci.c new file mode 100644 index 000000000..0909ca2ae --- /dev/null +++ b/arch/mips/mips-boards/generic/pci.c @@ -0,0 +1,271 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * MIPS boards specific PCI support. + * + */ +#include <linux/config.h> + +#ifdef CONFIG_PCI + +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/kernel.h> +#include <linux/init.h> + +#include <asm/mips-boards/generic.h> +#include <asm/mips-boards/gt64120.h> +#ifdef CONFIG_MIPS_MALTA +#include <asm/mips-boards/malta.h> +#endif + +#define PCI_ACCESS_READ 0 +#define PCI_ACCESS_WRITE 1 + +static int +mips_pcibios_config_access(unsigned char access_type, struct pci_dev *dev, + unsigned char where, u32 *data) +{ + unsigned char bus = dev->bus->number; + unsigned char dev_fn = dev->devfn; + u32 intr; + + if ((bus == 0) && (dev_fn >= PCI_DEVFN(31,0))) + return -1; /* Because of a bug in the galileo (for slot 31). */ + + /* Clear cause register bits */ + GT_WRITE( GT_INTRCAUSE_OFS, ~(GT_INTRCAUSE_MASABORT0_BIT | + GT_INTRCAUSE_TARABORT0_BIT) ); + + /* Setup address */ + GT_WRITE( GT_PCI0_CFGADDR_OFS, + (bus << GT_PCI0_CFGADDR_BUSNUM_SHF) | + (dev_fn << GT_PCI0_CFGADDR_FUNCTNUM_SHF) | + ((where / 4) << GT_PCI0_CFGADDR_REGNUM_SHF) | + GT_PCI0_CFGADDR_CONFIGEN_BIT ); + + if (access_type == PCI_ACCESS_WRITE) { + GT_WRITE(GT_PCI0_CFGDATA_OFS, *data); + } else { + GT_READ(GT_PCI0_CFGDATA_OFS, *data); + } + + /* Check for master or target abort */ + GT_READ(GT_INTRCAUSE_OFS, intr); + + if (intr & (GT_INTRCAUSE_MASABORT0_BIT | GT_INTRCAUSE_TARABORT0_BIT)) + { + /* Error occured */ + + /* Clear bits */ + GT_WRITE( GT_INTRCAUSE_OFS, ~(GT_INTRCAUSE_MASABORT0_BIT | + GT_INTRCAUSE_TARABORT0_BIT) ); + + return -1; + } + + return 0; +} + + +/* + * We can't address 8 and 16 bit words directly. Instead we have to + * read/write a 32bit word and mask/modify the data we actually want. + */ +static int +mips_pcibios_read_config_byte (struct pci_dev *dev, int where, u8 *val) +{ + u32 data = 0; + + if (mips_pcibios_config_access(PCI_ACCESS_READ, dev, where, &data)) + return -1; + + *val = (data >> ((where & 3) << 3)) & 0xff; + + return PCIBIOS_SUCCESSFUL; +} + + +static int +mips_pcibios_read_config_word (struct pci_dev *dev, int where, u16 *val) +{ + u32 data = 0; + + if (where & 1) + return PCIBIOS_BAD_REGISTER_NUMBER; + + if (mips_pcibios_config_access(PCI_ACCESS_READ, dev, where, &data)) + return -1; + + *val = (data >> ((where & 3) << 3)) & 0xffff; + + return PCIBIOS_SUCCESSFUL; +} + +static int +mips_pcibios_read_config_dword (struct pci_dev *dev, int where, u32 *val) +{ + u32 data = 0; + + if (where & 3) + return PCIBIOS_BAD_REGISTER_NUMBER; + + if (mips_pcibios_config_access(PCI_ACCESS_READ, dev, where, &data)) + return -1; + + *val = data; + + return PCIBIOS_SUCCESSFUL; +} + + +static int +mips_pcibios_write_config_byte (struct pci_dev *dev, int where, u8 val) +{ + u32 data = 0; + + if (mips_pcibios_config_access(PCI_ACCESS_READ, dev, where, &data)) + return -1; + + data = (data & ~(0xff << ((where & 3) << 3))) | + (val << ((where & 3) << 3)); + + if (mips_pcibios_config_access(PCI_ACCESS_WRITE, dev, where, &data)) + return -1; + + return PCIBIOS_SUCCESSFUL; +} + +static int +mips_pcibios_write_config_word (struct pci_dev *dev, int where, u16 val) +{ + u32 data = 0; + + if (where & 1) + return PCIBIOS_BAD_REGISTER_NUMBER; + + if (mips_pcibios_config_access(PCI_ACCESS_READ, dev, where, &data)) + return -1; + + data = (data & ~(0xffff << ((where & 3) << 3))) | + (val << ((where & 3) << 3)); + + if (mips_pcibios_config_access(PCI_ACCESS_WRITE, dev, where, &data)) + return -1; + + + return PCIBIOS_SUCCESSFUL; +} + +static int +mips_pcibios_write_config_dword(struct pci_dev *dev, int where, u32 val) +{ + if (where & 3) + return PCIBIOS_BAD_REGISTER_NUMBER; + + if (mips_pcibios_config_access(PCI_ACCESS_WRITE, dev, where, &val)) + return -1; + + return PCIBIOS_SUCCESSFUL; +} + +struct pci_ops mips_pci_ops = { + mips_pcibios_read_config_byte, + mips_pcibios_read_config_word, + mips_pcibios_read_config_dword, + mips_pcibios_write_config_byte, + mips_pcibios_write_config_word, + mips_pcibios_write_config_dword +}; + +void __init pcibios_init(void) +{ +#ifdef CONFIG_MIPS_MALTA + struct pci_dev *pdev; + unsigned char reg_val; +#endif + + printk("PCI: Probing PCI hardware on host bus 0.\n"); + pci_scan_bus(0, &mips_pci_ops, NULL); + + /* + * Due to a bug in the Galileo system controller, we need to setup + * the PCI BAR for the Galileo internal registers. + * This should be done in the bios/bootprom and will be fixed in + * a later revision of YAMON (the MIPS boards boot prom). + */ + GT_WRITE(GT_PCI0_CFGADDR_OFS, + (0 << GT_PCI0_CFGADDR_BUSNUM_SHF) | /* Local bus */ + (0 << GT_PCI0_CFGADDR_DEVNUM_SHF) | /* GT64120 device */ + (0 << GT_PCI0_CFGADDR_FUNCTNUM_SHF) | /* Function 0 */ + ((0x20/4) << GT_PCI0_CFGADDR_REGNUM_SHF) | /* BAR 4 */ + GT_PCI0_CFGADDR_CONFIGEN_BIT ); + + /* Perform the write */ + GT_WRITE( GT_PCI0_CFGDATA_OFS, PHYSADDR(MIPS_GT_BASE)); + +#ifdef CONFIG_MIPS_MALTA + for (pdev = pci_devices; pdev; pdev=pdev->next) { + if ((pdev->vendor == PCI_VENDOR_ID_INTEL) + && (pdev->device == PCI_DEVICE_ID_INTEL_82371AB) + && (PCI_SLOT(pdev->devfn) == 0x0a)) { + /* + * IDE Decode enable. + */ + pci_read_config_byte(pdev, 0x41, ®_val); + pci_write_config_byte(pdev, 0x41, reg_val | 0x80); + pci_read_config_byte(pdev, 0x43, ®_val); + pci_write_config_byte(pdev, 0x43, reg_val | 0x80); + } + + if ((pdev->vendor == PCI_VENDOR_ID_INTEL) + && (pdev->device == PCI_DEVICE_ID_INTEL_82371AB_0) + && (PCI_SLOT(pdev->devfn) == 0x0a)) { + /* + * Set top of main memory accessible by ISA or DMA + * devices to 16 Mb. + */ + pci_read_config_byte(pdev, 0x69, ®_val); + pci_write_config_byte(pdev, 0x69, reg_val | 0xf0); + } + } + + /* + * Activate Floppy Controller in the SMSC FDC37M817 Super I/O + * Controller. + * This should be done in the bios/bootprom and will be fixed in + * a later revision of YAMON (the MIPS boards boot prom). + */ + /* Entering config state. */ + SMSC_WRITE(SMSC_CONFIG_ENTER, SMSC_CONFIG_REG); + + /* Activate floppy controller. */ + SMSC_WRITE(SMSC_CONFIG_DEVNUM, SMSC_CONFIG_REG); + SMSC_WRITE(SMSC_CONFIG_DEVNUM_FLOPPY, SMSC_DATA_REG); + SMSC_WRITE(SMSC_CONFIG_ACTIVATE, SMSC_CONFIG_REG); + SMSC_WRITE(SMSC_CONFIG_ACTIVATE_ENABLE, SMSC_DATA_REG); + + /* Exit config state. */ + SMSC_WRITE(SMSC_CONFIG_EXIT, SMSC_CONFIG_REG); +#endif +} + +#endif /* CONFIG_PCI */ diff --git a/arch/mips/mips-boards/generic/printf.c b/arch/mips/mips-boards/generic/printf.c new file mode 100644 index 000000000..3c21ae8bf --- /dev/null +++ b/arch/mips/mips-boards/generic/printf.c @@ -0,0 +1,55 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Putting things on the screen/serial line using YAMONs facilities. + * + */ +#include <linux/config.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <asm/addrspace.h> +#include <asm/mips-boards/generic.h> + +static char ppbuf[1024]; + +void (*prom_print_str)(unsigned int out, char *s, int len); + + +void __init setup_prom_printf(void) +{ + prom_print_str = (void *)*(unsigned int *)YAMON_PROM_PRINT_ADDR; +} + +void __init prom_printf(char *fmt, ...) +{ + va_list args; + int len; + + va_start(args, fmt); + vsprintf(ppbuf, fmt, args); + len = strlen(ppbuf); + + prom_print_str(0, ppbuf, len); + + va_end(args); + return; + +} diff --git a/arch/mips/mips-boards/generic/reset.c b/arch/mips/mips-boards/generic/reset.c new file mode 100644 index 000000000..83cd0c3ec --- /dev/null +++ b/arch/mips/mips-boards/generic/reset.c @@ -0,0 +1,72 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Reset the MIPS boards. + * + */ +#include <linux/config.h> + +#include <asm/reboot.h> +#include <asm/mips-boards/generic.h> +#if defined(CONFIG_MIPS_ATLAS) +#include <asm/mips-boards/atlas.h> +#endif + +static void mips_machine_restart(char *command); +static void mips_machine_halt(void); +#if defined(CONFIG_MIPS_ATLAS) +static void atlas_machine_power_off(void); +#endif + +static void mips_machine_restart(char *command) +{ + volatile unsigned int *softres_reg = (void *)SOFTRES_REG; + + *softres_reg = GORESET; +} + +static void mips_machine_halt(void) +{ + volatile unsigned int *softres_reg = (void *)SOFTRES_REG; + + *softres_reg = GORESET; +} + +#if defined(CONFIG_MIPS_ATLAS) +static void atlas_machine_power_off(void) +{ + volatile unsigned int *psustby_reg = (void *)ATLAS_PSUSTBY_REG; + + *psustby_reg = ATLAS_GOSTBY; +} +#endif + +void mips_reboot_setup(void) +{ + _machine_restart = mips_machine_restart; + _machine_halt = mips_machine_halt; +#if defined(CONFIG_MIPS_ATLAS) + _machine_power_off = atlas_machine_power_off; +#endif +#if defined(CONFIG_MIPS_MALTA) + _machine_power_off = mips_machine_halt; +#endif +} diff --git a/arch/mips/mips-boards/generic/time.c b/arch/mips/mips-boards/generic/time.c new file mode 100644 index 000000000..84592fc2f --- /dev/null +++ b/arch/mips/mips-boards/generic/time.c @@ -0,0 +1,285 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Setting up the clock on the MIPS boards. + * + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/kernel_stat.h> +#include <linux/sched.h> + +#include <asm/mipsregs.h> +#include <asm/ptrace.h> + +#include <linux/mc146818rtc.h> +#include <linux/timex.h> + +#include <asm/mips-boards/generic.h> +#include <asm/mips-boards/prom.h> + +static long last_rtc_update = 0; +unsigned long missed_heart_beats = 0; + +static unsigned long r4k_offset; /* Amount to increment compare reg each time */ +static unsigned long r4k_cur; /* What counter should be at next timer irq */ + +#define ALLINTS (IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5) + +#if defined(CONFIG_MIPS_ATLAS) +static char display_string[] = " LINUX ON ATLAS "; +#endif +#if defined(CONFIG_MIPS_MALTA) +static char display_string[] = " LINUX ON MALTA "; +#endif +static unsigned int display_count = 0; +#define MAX_DISPLAY_COUNT (sizeof(display_string) - 8) + +static unsigned int timer_tick_count=0; + + +static inline void ack_r4ktimer(unsigned long newval) +{ + write_32bit_cp0_register(CP0_COMPARE, newval); +} + + +/* + * In order to set the CMOS clock precisely, set_rtc_mmss has to be + * called 500 ms after the second nowtime has started, because when + * nowtime is written into the registers of the CMOS clock, it will + * jump to the next second precisely 500 ms later. Check the Motorola + * MC146818A or Dallas DS12887 data sheet for details. + * + * BUG: This routine does not handle hour overflow properly; it just + * sets the minutes. Usually you won't notice until after reboot! + */ +static int set_rtc_mmss(unsigned long nowtime) +{ + int retval = 0; + int real_seconds, real_minutes, cmos_minutes; + unsigned char save_control, save_freq_select; + + save_control = CMOS_READ(RTC_CONTROL); /* tell the clock it's being set */ + CMOS_WRITE((save_control|RTC_SET), RTC_CONTROL); + + save_freq_select = CMOS_READ(RTC_FREQ_SELECT); /* stop and reset prescaler */ + CMOS_WRITE((save_freq_select|RTC_DIV_RESET2), RTC_FREQ_SELECT); + + cmos_minutes = CMOS_READ(RTC_MINUTES); + + /* + * since we're only adjusting minutes and seconds, + * don't interfere with hour overflow. This avoids + * messing with unknown time zones but requires your + * RTC not to be off by more than 15 minutes + */ + real_seconds = nowtime % 60; + real_minutes = nowtime / 60; + if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1) + real_minutes += 30; /* correct for half hour time zone */ + real_minutes %= 60; + + if (abs(real_minutes - cmos_minutes) < 30) { + CMOS_WRITE(real_seconds,RTC_SECONDS); + CMOS_WRITE(real_minutes,RTC_MINUTES); + } else { + printk(KERN_WARNING + "set_rtc_mmss: can't update from %d to %d\n", + cmos_minutes, real_minutes); + retval = -1; + } + + /* The following flags have to be released exactly in this order, + * otherwise the DS12887 (popular MC146818A clone with integrated + * battery and quartz) will not reset the oscillator and will not + * update precisely 500 ms later. You won't find this mentioned in + * the Dallas Semiconductor data sheets, but who believes data + * sheets anyway ... -- Markus Kuhn + */ + CMOS_WRITE(save_control, RTC_CONTROL); + CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT); + + return retval; +} + +/* + * There are a lot of conceptually broken versions of the MIPS timer interrupt + * handler floating around. This one is rather different, but the algorithm + * is provably more robust. + */ +void mips_timer_interrupt(struct pt_regs *regs) +{ + int irq = 7; + + if(r4k_offset != 0) { + do { + kstat.irqs[0][irq]++; + do_timer(regs); + + /* Historical comment/code: + * RTC time of day s updated approx. every 11 + * minutes. Because of how the numbers work out + * we need to make absolutely sure we do this update + * within 500ms before the * next second starts, + * thus the following code. + */ + if ((time_status & STA_UNSYNC) == 0 + && xtime.tv_sec > last_rtc_update + 660 + && xtime.tv_usec >= 500000 - (tick >> 1) + && xtime.tv_usec <= 500000 + (tick >> 1)) + if (set_rtc_mmss(xtime.tv_sec) == 0) + last_rtc_update = xtime.tv_sec; + else + /* do it again in 60 s */ + last_rtc_update = xtime.tv_sec - 600; + + if ((timer_tick_count++ % HZ) == 0) + { + mips_display_message(&display_string[display_count++]); + if (display_count == MAX_DISPLAY_COUNT) + display_count = 0; + } + + r4k_cur += r4k_offset; + ack_r4ktimer(r4k_cur); + + } while (((unsigned long)read_32bit_cp0_register(CP0_COUNT) + - r4k_cur) < 0x7fffffff); + } else ack_r4ktimer(0); +} + +static unsigned long cal_r4koff(void) +{ + unsigned long count; + unsigned long flags; + + /* + * Figure out the r4k offset, the amount to increment the compare + * register for each time tick. + * Use the RTC to calculate offset. + */ + /* Disable Interrupts */ + save_and_cli(flags); + + /* Start counter exactly on falling edge of update flag */ + while (CMOS_READ(RTC_REG_A) & RTC_UIP) + ; + while (!(CMOS_READ(RTC_REG_A) & RTC_UIP)) + ; + + /* Start r4k counter. */ + write_32bit_cp0_register(CP0_COUNT, 0); + + /* Read counter exactly on falling edge of update flag */ + while (CMOS_READ(RTC_REG_A) & RTC_UIP) + ; + while (!(CMOS_READ(RTC_REG_A) & RTC_UIP)) + ; + + count = read_32bit_cp0_register(CP0_COUNT); + + /* restore interrupts */ + restore_flags(flags); + + return (count / HZ); +} + +static unsigned long __init get_mips_time(void) +{ + unsigned int year, mon, day, hour, min, sec; + unsigned char save_control; + + save_control = CMOS_READ(RTC_CONTROL); + + /* Freeze it. */ + CMOS_WRITE(save_control | RTC_SET, RTC_CONTROL); + + /* Read regs. */ + sec = CMOS_READ(RTC_SECONDS); + min = CMOS_READ(RTC_MINUTES); + hour = CMOS_READ(RTC_HOURS); + + if (!(save_control & RTC_24H)) + { + if ((hour & 0xf) == 0xc) + hour &= 0x80; + if (hour & 0x80) + hour = (hour & 0xf) + 12; + } + day = CMOS_READ(RTC_DAY_OF_MONTH); + mon = CMOS_READ(RTC_MONTH); + year = CMOS_READ(RTC_YEAR); + + /* Unfreeze clock. */ + CMOS_WRITE(save_control, RTC_CONTROL); + + if ((year += 1900) < 1970) + year += 100; + + return mktime(year, mon, day, hour, min, sec); +} + +void __init time_init(void) +{ + unsigned int est_freq; + + /* Set Data mode - binary. */ + CMOS_WRITE(CMOS_READ(RTC_CONTROL) | RTC_DM_BINARY, RTC_CONTROL); + + printk("calculating r4koff... "); + r4k_offset = cal_r4koff(); + printk("%08lx(%d)\n", r4k_offset, (int) r4k_offset); + + est_freq = 2*r4k_offset*HZ; + est_freq += 5000; /* round */ + est_freq -= est_freq%10000; + printk("CPU frequency %d.%02d MHz\n", est_freq/1000000, + (est_freq%1000000)*100/1000000); + r4k_cur = (read_32bit_cp0_register(CP0_COUNT) + r4k_offset); + + write_32bit_cp0_register(CP0_COMPARE, r4k_cur); + set_cp0_status(ST0_IM, ALLINTS); + + /* Read time from the RTC chipset. */ + xtime.tv_sec = get_mips_time(); + xtime.tv_usec = 0; +} + +void do_gettimeofday(struct timeval *tv) +{ + unsigned long flags; + + save_and_cli(flags); + *tv = xtime; + restore_flags(flags); +} + +void do_settimeofday(struct timeval *tv) +{ + cli(); + xtime = *tv; + time_state = TIME_BAD; + time_maxerror = MAXPHASE; + time_esterror = MAXPHASE; + sti(); +} diff --git a/arch/mips/mips-boards/malta/Makefile b/arch/mips/mips-boards/malta/Makefile new file mode 100644 index 000000000..5e8bede22 --- /dev/null +++ b/arch/mips/mips-boards/malta/Makefile @@ -0,0 +1,50 @@ +# $Id: Makefile,v 1.1 2000/07/07 10:22:15 carstenl Exp $ +# +# Makefile +# +# Carsten Langgaard, carstenl@mips.com +# Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. +# +# ######################################################################## +# +# This program is free software; you can distribute it and/or modify it +# under the terms of the GNU General Public License (Version 2) as +# published by the Free Software Foundation. +# +# This program is distributed in the hope it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. +# +# ####################################################################### +# +# Makefile for the MIPS Malta specific kernel interface routines +# under Linux. +# +# Note! Dependencies are done automagically by 'make dep', which also +# removes any old dependencies. DON'T put your own dependencies here +# unless it's something special (ie not a .c file). +# +# Note 2! The CFLAGS definitions are now in the main makefile... + +.S.s: + $(CPP) $(CFLAGS) $< -o $*.s +.S.o: + $(CC) $(CFLAGS) -c $< -o $*.o + +OBJS = malta_int.o malta_rtc.o malta_setup.o + +all: malta.a + +malta.a: $(OBJS) + $(AR) rcs malta.a $(OBJS) + sync + +dep: + $(CPP) -M *.c > .depend + +include $(TOPDIR)/Rules.make diff --git a/arch/mips/mips-boards/malta/malta_int.c b/arch/mips/mips-boards/malta/malta_int.c new file mode 100644 index 000000000..d00d68752 --- /dev/null +++ b/arch/mips/mips-boards/malta/malta_int.c @@ -0,0 +1,400 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Routines for generic manipulation of the interrupts found on the MIPS + * Malta board. + * The interrupt controller is located in the South Bridge a PIIX4 device + * with two internal 82C95 interrupt controllers. + * + */ +#include <linux/config.h> +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/kernel_stat.h> +#include <linux/random.h> + +#include <asm/irq.h> +#include <asm/io.h> +#include <asm/mips-boards/malta.h> +#include <asm/mips-boards/maltaint.h> +#include <asm/mips-boards/piix4.h> +#include <asm/mips-boards/gt64120.h> +#include <asm/mips-boards/generic.h> + +extern asmlinkage void mipsIRQ(void); + +unsigned int local_bh_count[NR_CPUS]; +unsigned int local_irq_count[NR_CPUS]; +unsigned long spurious_count = 0; + +static struct irqaction *hw0_irq_action[MALTAINT_END] = { + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL +}; + +static struct irqaction r4ktimer_action = { + NULL, 0, 0, "R4000 timer/counter", NULL, NULL, +}; + +static struct irqaction *irq_action[8] = { + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, &r4ktimer_action +}; + +#if 0 +#define DEBUG_INT(x...) printk(x) +#else +#define DEBUG_INT(x...) +#endif + +/* + * This contains the interrupt mask for both 82C59 interrupt controllers. + */ +static unsigned int cached_int_mask = 0xffff; + + +void disable_irq(unsigned int irq_nr) +{ + unsigned long flags; + + if(irq_nr >= MALTAINT_END) { + printk("whee, invalid irq_nr %d\n", irq_nr); + panic("IRQ, you lose..."); + } + + save_and_cli(flags); + cached_int_mask |= (1 << irq_nr); + if (irq_nr & 8) { + outb((cached_int_mask >> 8) & 0xff, PIIX4_ICTLR2_OCW1); + } else { + outb(cached_int_mask & 0xff, PIIX4_ICTLR1_OCW1); + } + restore_flags(flags); +} + + +void enable_irq(unsigned int irq_nr) +{ + unsigned long flags; + + if(irq_nr >= MALTAINT_END) { + printk("whee, invalid irq_nr %d\n", irq_nr); + panic("IRQ, you lose..."); + } + + save_and_cli(flags); + cached_int_mask &= ~(1 << irq_nr); + if (irq_nr & 8) { + outb((cached_int_mask >> 8) & 0xff, PIIX4_ICTLR2_OCW1); + + /* Enable irq 2 (cascade interrupt). */ + cached_int_mask &= ~(1 << 2); + outb(cached_int_mask & 0xff, PIIX4_ICTLR1_OCW1); + } else { + outb(cached_int_mask & 0xff, PIIX4_ICTLR1_OCW1); + } + restore_flags(flags); +} + + +int get_irq_list(char *buf) +{ + int i, len = 0; + int num = 0; + struct irqaction *action; + + for (i = 0; i < 8; i++, num++) { + action = irq_action[i]; + if (!action) + continue; + len += sprintf(buf+len, "%2d: %8d %c %s", + num, kstat.irqs[0][num], + (action->flags & SA_INTERRUPT) ? '+' : ' ', + action->name); + for (action=action->next; action; action = action->next) { + len += sprintf(buf+len, ",%s %s", + (action->flags & SA_INTERRUPT) ? " +" : "", + action->name); + } + len += sprintf(buf+len, " [on-chip]\n"); + } + for (i = 0; i < MALTAINT_END; i++, num++) { + action = hw0_irq_action[i]; + if (!action) + continue; + len += sprintf(buf+len, "%2d: %8d %c %s", + num, kstat.irqs[0][num], + (action->flags & SA_INTERRUPT) ? '+' : ' ', + action->name); + for (action=action->next; action; action = action->next) { + len += sprintf(buf+len, ",%s %s", + (action->flags & SA_INTERRUPT) ? " +" : "", + action->name); + } + len += sprintf(buf+len, " [hw0]\n"); + } + return len; +} + + +static int setup_irq(int irq, struct irqaction * new) +{ + int shared = 0; + struct irqaction *old, **p; + + p = &hw0_irq_action[irq]; + if ((old = *p) != NULL) { + /* Can't share interrupts unless both agree to */ + if (!(old->flags & new->flags & SA_SHIRQ)) + return -EBUSY; + + /* Can't share interrupts unless both are same type */ + if ((old->flags ^ new->flags) & SA_INTERRUPT) + return -EBUSY; + + /* add new interrupt at end of irq queue */ + do { + p = &old->next; + old = *p; + } while (old); + shared = 1; + } + + if (new->flags & SA_SAMPLE_RANDOM) + rand_initialize_irq(irq); + + *p = new; + if (!shared) + enable_irq(irq); + + return 0; +} + +int request_irq(unsigned int irq, + void (*handler)(int, void *, struct pt_regs *), + unsigned long irqflags, + const char * devname, + void *dev_id) +{ + struct irqaction *action; + int retval; + + DEBUG_INT("request_irq: irq=%d, devname = %s\n", irq, devname); + + if (irq >= MALTAINT_END) + return -EINVAL; + if (!handler) + return -EINVAL; + + action = (struct irqaction *)kmalloc(sizeof(struct irqaction), GFP_KERNEL); + if(!action) + return -ENOMEM; + + action->handler = handler; + action->flags = irqflags; + action->mask = 0; + action->name = devname; + action->dev_id = dev_id; + action->next = 0; + + retval = setup_irq(irq, action); + if (retval) + kfree(action); + + return retval; +} + + +void free_irq(unsigned int irq, void *dev_id) +{ + struct irqaction *action, **p; + + if (irq >= MALTAINT_END) { + printk("Trying to free IRQ%d\n",irq); + return; + } + + for (p = &hw0_irq_action[irq]; (action = *p) != NULL; + p = &action->next) + { + if (action->dev_id != dev_id) + continue; + + /* Found it - now free it */ + *p = action->next; + kfree(action); + if (!hw0_irq_action[irq]) + disable_irq(irq); + return; + } + printk("Trying to free IRQ%d\n",irq); +} + + +int (*irq_cannonicalize)(int irq); + +static int malta_irq_cannonicalize(int irq) +{ + return ((irq == 2) ? 9 : irq); +} + + +void __init init_IRQ(void) +{ + irq_cannonicalize = malta_irq_cannonicalize; + irq_setup(); +} + + +static inline int get_int(int *irq) +{ + /* + * Determine highest priority pending interrupt by performing + * a PCI Interrupt Acknowledge cycle. + */ + GT_READ(GT_PCI0_IACK_OFS, *irq); + *irq &= 0xFF; + + /* + * IRQ7 is used to detect spurious interrupts. + * The interrupt acknowledge cycle returns IRQ7, if no + * interrupts is requested. + * We can differentiate between this situation and a + * "Normal" IRQ7 by reading the ISR. + */ + if (*irq == 7) + { + outb(PIIX4_OCW3_SEL | PIIX4_OCW3_ISR, PIIX4_ICTLR1_OCW3); + if (!(inb(PIIX4_ICTLR1_OCW3) & (1 << 7))) + return -1; /* Spurious interrupt. */ + } + + return 0; +} + +static inline void ack_int(int irq) +{ + if (irq & 8) { + /* Specific EOI to cascade */ + outb(PIIX4_OCW2_SEL | PIIX4_OCW2_NSEOI | PIIX4_OCW2_ILS_2, + PIIX4_ICTLR1_OCW2); + + /* Non specific EOI to cascade */ + outb(PIIX4_OCW2_SEL | PIIX4_OCW2_NSEOI, PIIX4_ICTLR2_OCW2); + } else { + /* Non specific EOI to cascade */ + outb(PIIX4_OCW2_SEL | PIIX4_OCW2_NSEOI, PIIX4_ICTLR1_OCW2); + } +} + +void malta_hw0_irqdispatch(struct pt_regs *regs) +{ + struct irqaction *action; + int irq=0, cpu = smp_processor_id(); + + DEBUG_INT("malta_hw0_irqdispatch\n"); + + if (get_int(&irq)) + return; /* interrupt has already been cleared */ + + disable_irq(irq); + ack_int(irq); + + DEBUG_INT("malta_hw0_irqdispatch: irq=%d\n", irq); + action = hw0_irq_action[irq]; + + /* + * if action == NULL, then we don't have a handler + * for the irq + */ + if ( action == NULL ) + return; + + hardirq_enter(cpu); + kstat.irqs[0][irq + 8]++; + do { + action->handler(irq, action->dev_id, regs); + action = action->next; + } while (action); + + enable_irq(irq); + hardirq_exit(cpu); + + return; +} + + +unsigned long probe_irq_on (void) +{ + unsigned int i, irqs = 0; + unsigned long delay; + + /* first, enable any unassigned irqs */ + for (i = MALTAINT_END-1; i > 0; i--) { + if (!hw0_irq_action[i]) { + enable_irq(i); + irqs |= (1 << i); + } + } + + /* wait for spurious interrupts to mask themselves out again */ + for (delay = jiffies + HZ/10; time_before(jiffies, delay); ) + /* about 100ms delay */; + + /* now filter out any obviously spurious interrupts */ + return irqs & ~cached_int_mask; +} + + +int probe_irq_off (unsigned long irqs) +{ + unsigned int i; + + irqs &= cached_int_mask; + if (!irqs) + return 0; + i = ffz(~irqs); + if (irqs != (irqs & (1 << i))) + i = -i; + + return i; +} + + +void __init maltaint_init(void) +{ + /* + * Mask out all interrupt by writing "1" to all bit position in + * the IMR register. + */ + outb(cached_int_mask & 0xff, PIIX4_ICTLR1_OCW1); + outb((cached_int_mask >> 8) & 0xff, PIIX4_ICTLR2_OCW1); + + request_region(PIIX4_ICTLR1_ICW1, 0x20, "pic1"); + request_region(PIIX4_ICTLR2_ICW1, 0x20, "pic2"); + + /* Now safe to set the exception vector. */ + set_except_vector(0, mipsIRQ); +} diff --git a/arch/mips/mips-boards/malta/malta_rtc.c b/arch/mips/mips-boards/malta/malta_rtc.c new file mode 100644 index 000000000..9c23bf38a --- /dev/null +++ b/arch/mips/mips-boards/malta/malta_rtc.c @@ -0,0 +1,50 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * RTC routines for Malta style attached PIIX4 device, which contains a + * Motorola MC146818A-compatible Real Time Clock. + * + */ +#include <linux/mc146818rtc.h> +#include <asm/mips-boards/malta.h> + +static unsigned char malta_rtc_read_data(unsigned long addr) +{ + outb(addr, MALTA_RTC_ADR_REG); + return inb(MALTA_RTC_DAT_REG); +} + +static void malta_rtc_write_data(unsigned char data, unsigned long addr) +{ + outb(addr, MALTA_RTC_ADR_REG); + outb(data, MALTA_RTC_DAT_REG); +} + +static int malta_rtc_bcd_mode(void) +{ + return 0; +} + +struct rtc_ops malta_rtc_ops = { + &malta_rtc_read_data, + &malta_rtc_write_data, + &malta_rtc_bcd_mode +}; diff --git a/arch/mips/mips-boards/malta/malta_setup.c b/arch/mips/mips-boards/malta/malta_setup.c new file mode 100644 index 000000000..1621fa0dd --- /dev/null +++ b/arch/mips/mips-boards/malta/malta_setup.c @@ -0,0 +1,155 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Malta specific setup, including init of the feature struct. + * + */ +#include <linux/config.h> +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/mc146818rtc.h> +#include <linux/ioport.h> + +#include <asm/cpu.h> +#include <asm/bootinfo.h> +#include <asm/irq.h> +#include <asm/mips-boards/prom.h> +#include <asm/mips-boards/malta.h> +#include <asm/mips-boards/maltaint.h> +#ifdef CONFIG_BLK_DEV_IDE +#include <asm/ide.h> +#endif +#ifdef CONFIG_BLK_DEV_FD +#include <asm/floppy.h> +#endif +#include <asm/dma.h> + +#if defined(CONFIG_SERIAL_CONSOLE) || defined(CONFIG_PROM_CONSOLE) +extern void console_setup(char *, int *); +char serial_console[20]; +#endif + +#ifdef CONFIG_REMOTE_DEBUG +extern void set_debug_traps(void); +extern void rs_kgdb_hook(int); +extern void breakpoint(void); +static int remote_debug = 0; +static int kgdb_on_pci = 0; +#endif + +#ifdef CONFIG_BLK_DEV_IDE +extern struct ide_ops std_ide_ops; +#endif +#ifdef CONFIG_BLK_DEV_FD +extern struct fd_ops std_fd_ops; +#endif +extern struct rtc_ops malta_rtc_ops; + +extern void mips_reboot_setup(void); + + +static void __init malta_irq_setup(void) +{ + maltaint_init(); + +#ifdef CONFIG_REMOTE_DEBUG + if (remote_debug && !kgdb_on_pci) { + set_debug_traps(); + breakpoint(); + } +#endif +} + + +void __init malta_setup(void) +{ +#ifdef CONFIG_REMOTE_DEBUG + int rs_putDebugChar(char); + char rs_getDebugChar(void); + extern int (*putDebugChar)(char); + extern char (*getDebugChar)(void); +#endif + char *argptr; + + irq_setup = malta_irq_setup; + mips_io_port_base = MALTA_PORT_BASE; + + request_region(0x00,0x20,"dma1"); + request_region(0x40,0x20,"timer"); + request_region(0x80,0x10,"dma page reg"); + request_region(0xc0,0x20,"dma2"); + + /* + * Enable DMA channel 4 (cascade channel) in the PIIX4 south bridge. + */ + enable_dma(4); + +#ifdef CONFIG_SERIAL_CONSOLE + argptr = prom_getcmdline(); + if ((argptr = strstr(argptr, "console=ttyS0")) == NULL) + { + int i=0; + char *s = prom_getenv("modetty0"); + while(s[i] >= '0' && s[i] <= '9') + i++; + strcpy(serial_console, "ttyS0,"); + strncpy(serial_console + 6, s, i); + prom_printf("Config serial console: %s\n", serial_console); + console_setup(serial_console, NULL); + } +#endif + +#ifdef CONFIG_REMOTE_DEBUG + argptr = prom_getcmdline(); + if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) { + int line; + argptr += strlen("kgdb=ttyS"); + if (*argptr != '0' && *argptr != '1') + printk("KGDB: Uknown serial line /dev/ttyS%c, " + "falling back to /dev/ttyS1\n", *argptr); + line = *argptr == '0' ? 0 : 1; + printk("KGDB: Using serial line /dev/ttyS%d for session\n", + line ? 1 : 0); + + rs_kgdb_hook(line); + putDebugChar = rs_putDebugChar; + getDebugChar = rs_getDebugChar; + + prom_printf("KGDB: Using serial line /dev/ttyS%d for session, " + "please connect your debugger\n", line ? 1 : 0); + + remote_debug = 1; + /* Breakpoints and stuff are in malta_irq_setup() */ + } +#endif + argptr = prom_getcmdline(); + if ((argptr = strstr(argptr, "nofpu")) != NULL) + mips_cpu.options &= ~MIPS_CPU_FPU; + + rtc_ops = &malta_rtc_ops; +#ifdef CONFIG_BLK_DEV_IDE + ide_ops = &std_ide_ops; +#endif +#ifdef CONFIG_BLK_DEV_FD + fd_ops = &std_fd_ops; +#endif + mips_reboot_setup(); +} diff --git a/include/asm-mips/mips-boards/atlas.h b/include/asm-mips/mips-boards/atlas.h new file mode 100644 index 000000000..9fdf1b75c --- /dev/null +++ b/include/asm-mips/mips-boards/atlas.h @@ -0,0 +1,55 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Defines of the Atlas board specific address-MAP, registers, etc. + * + */ +#ifndef _MIPS_ATLAS_H +#define _MIPS_ATLAS_H + +#include <asm/addrspace.h> + +/* + * Atlas RTC-device indirect register access. + */ +#define ATLAS_RTC_ADR_REG (KSEG1ADDR(0x1f000800)) +#define ATLAS_RTC_DAT_REG (KSEG1ADDR(0x1f000808)) + + +/* + * Atlas interrupt controller register base. + */ +#define ATLAS_ICTRL_REGS_BASE (KSEG1ADDR(0x1f000000)) + +/* + * Atlas UART register base. + */ +#define ATLAS_UART_REGS_BASE (KSEG1ADDR(0x1f000900)) +#define ATLAS_BASE_BAUD ( 3686400 / 16 ) + +/* + * Atlas PSU standby register. + */ +#define ATLAS_PSUSTBY_REG (KSEG1ADDR(0x1f000600)) +#define ATLAS_GOSTBY 0x4d + + +#endif /* !(_MIPS_ATLAS_H) */ diff --git a/include/asm-mips/mips-boards/atlasint.h b/include/asm-mips/mips-boards/atlasint.h new file mode 100644 index 000000000..ee7cd4a29 --- /dev/null +++ b/include/asm-mips/mips-boards/atlasint.h @@ -0,0 +1,51 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Defines for the Atlas interrupt controller. + * + */ +#ifndef _MIPS_ATLASINT_H +#define _MIPS_ATLASINT_H + +/* Number of IRQ supported on hw interrupt 0. */ +#define ATLASINT_UART 0 +#define ATLASINT_END 32 + +/* + * Atlas registers are memory mapped on 64-bit aligned boundaries and + * only word access are allowed. + */ +struct atlas_ictrl_regs { + volatile unsigned long intraw; + long dummy1; + volatile unsigned long intseten; + long dummy2; + volatile unsigned long intrsten; + long dummy3; + volatile unsigned long intenable; + long dummy4; + volatile unsigned long intstatus; + long dummy5; +}; + +extern void atlasint_init(void); + +#endif /* !(_MIPS_ATLASINT_H) */ diff --git a/include/asm-mips/mips-boards/generic.h b/include/asm-mips/mips-boards/generic.h new file mode 100644 index 000000000..51154083a --- /dev/null +++ b/include/asm-mips/mips-boards/generic.h @@ -0,0 +1,65 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Defines of the MIPS boards specific address-MAP, registers, etc. + * + */ +#ifndef _MIPS_GENERIC_H +#define _MIPS_GENERIC_H + +#include <asm/addrspace.h> +#include <asm/byteorder.h> + +/* + * Display register base. + */ +#define ASCII_DISPLAY_WORD_BASE (KSEG1ADDR(0x1f000410)) +#define ASCII_DISPLAY_POS_BASE (KSEG1ADDR(0x1f000418)) + + +/* + * Yamon Prom print address. + */ +#define YAMON_PROM_PRINT_ADDR (KSEG1ADDR(0x1fc00504)) + + +/* + * Reset register. + */ +#define SOFTRES_REG (KSEG1ADDR(0x1f000500)) +#define GORESET 0x42 + + +/* + * Galileo GT64120 system controller register base. + */ +#define MIPS_GT_BASE (KSEG1ADDR(0x1be00000)) + +/* + * Because of an error/peculiarity in the Galileo chip, we need to swap the + * bytes when running bigendian. + */ +#define GT_WRITE(ofs, data) \ + *(volatile u32 *)(MIPS_GT_BASE+ofs) = cpu_to_le32(data) +#define GT_READ(ofs, data) \ + data = le32_to_cpu(*(volatile u32 *)(MIPS_GT_BASE+ofs)) + +#endif /* !(_MIPS_GENERIC_H) */ diff --git a/include/asm-mips/mips-boards/gt64120.h b/include/asm-mips/mips-boards/gt64120.h new file mode 100644 index 000000000..c2229af97 --- /dev/null +++ b/include/asm-mips/mips-boards/gt64120.h @@ -0,0 +1,320 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Register definitions for Galileo 64120 system controller. + * + */ +#ifndef GT64120_H +#define GT64120_H + +#define MSK(n) ((1 << (n)) - 1) + +/************************************************************************ + * Register offset addresses + ************************************************************************/ + +#define GT_CPU_OFS 0x000 + +#define GT_INTRCAUSE_OFS 0xc18 +#define GT_PCI0_CFGADDR_OFS 0xcf8 +#define GT_PCI0_CFGDATA_OFS 0xcfc +#define GT_SDRAM_BM_OFS 0x478 +#define GT_SDRAM_ADDRDECODE_OFS 0x47c +#define GT_SDRAM_B0_OFS 0x44c +#define GT_SDRAM_B2_OFS 0x454 +#define GT_SDRAM_CFG_OFS 0x448 +#define GT_SDRAM_OPMODE_OFS 0x474 + +#define GT_ISD_OFS 0x068 + +#define GT_SCS10LD_OFS 0x008 +#define GT_SCS10HD_OFS 0x010 +#define GT_SCS32LD_OFS 0x018 +#define GT_SCS32HD_OFS 0x020 +#define GT_CS20LD_OFS 0x028 +#define GT_CS20HD_OFS 0x030 +#define GT_CS3BOOTLD_OFS 0x038 +#define GT_CS3BOOTHD_OFS 0x040 +#define GT_PCI0IOLD_OFS 0x048 +#define GT_PCI0IOHD_OFS 0x050 +#define GT_PCI0M0LD_OFS 0x058 +#define GT_PCI0M0HD_OFS 0x060 +#define GT_PCI0M1LD_OFS 0x080 +#define GT_PCI0M1HD_OFS 0x088 +#define GT_PCI1IOLD_OFS 0x090 +#define GT_PCI1IOHD_OFS 0x098 +#define GT_PCI1M0LD_OFS 0x0a0 +#define GT_PCI1M0HD_OFS 0x0a8 +#define GT_PCI1M1LD_OFS 0x0b0 +#define GT_PCI1M1HD_OFS 0x0b8 + +#define GT_SCS0LD_OFS 0x400 +#define GT_SCS0HD_OFS 0x404 +#define GT_SCS1LD_OFS 0x408 +#define GT_SCS1HD_OFS 0x40c +#define GT_SCS2LD_OFS 0x410 +#define GT_SCS2HD_OFS 0x414 +#define GT_SCS3LD_OFS 0x418 +#define GT_SCS3HD_OFS 0x41c +#define GT_CS0LD_OFS 0x420 +#define GT_CS0HD_OFS 0x424 +#define GT_CS1LD_OFS 0x428 +#define GT_CS1HD_OFS 0x42c +#define GT_CS2LD_OFS 0x430 +#define GT_CS2HD_OFS 0x434 +#define GT_CS3LD_OFS 0x438 +#define GT_CS3HD_OFS 0x43c +#define GT_BOOTLD_OFS 0x440 +#define GT_BOOTHD_OFS 0x444 + +#define GT_PCI0_BS_SCS10_OFS 0Xc08 +#define GT_PCI0_BS_SCS32_OFS 0xc0c +#define GT_PCI0_BARE_OFS 0Xc3c + +#define GT_PCI0_TOR_OFS 0xc04 + +#define GT_PCI0_IACK_OFS 0xc34 + + +/************************************************************************ + * Register encodings + ************************************************************************/ + +#define GT_CPU_WR_SHF 16 +#define GT_CPU_WR_MSK (MSK(1) << GT_CPU_WR_SHF) +#define GT_CPU_WR_BIT GT_CPU_WR_MSK +#define GT_CPU_WR_DXDXDXDX 0 +#define GT_CPU_WR_DDDD 1 + + +#define GT_CFGADDR_CFGEN_SHF 31 +#define GT_CFGADDR_CFGEN_MSK (MSK(1) << GT_CFGADDR_CFGEN_SHF) +#define GT_CFGADDR_CFGEN_BIT GT_CFGADDR_CFGEN_MSK + +#define GT_CFGADDR_BUSNUM_SHF 16 +#define GT_CFGADDR_BUSNUM_MSK (MSK(8) << GT_CFGADDR_BUSNUM_SHF) + +#define GT_CFGADDR_DEVNUM_SHF 11 +#define GT_CFGADDR_DEVNUM_MSK (MSK(5) << GT_CFGADDR_DEVNUM_SHF) + +#define GT_CFGADDR_FUNCNUM_SHF 8 +#define GT_CFGADDR_FUNCNUM_MSK (MSK(3) << GT_CFGADDR_FUNCNUM_SHF) + +#define GT_CFGADDR_REGNUM_SHF 2 +#define GT_CFGADDR_REGNUM_MSK (MSK(6) << GT_CFGADDR_REGNUM_SHF) + + +#define GT_SDRAM_BM_ORDER_SHF 2 +#define GT_SDRAM_BM_ORDER_MSK (MSK(1) << GT_SDRAM_BM_ORDER_SHF) +#define GT_SDRAM_BM_ORDER_BIT GT_SDRAM_BM_ORDER_MSK +#define GT_SDRAM_BM_ORDER_SUB 1 +#define GT_SDRAM_BM_ORDER_LIN 0 + +#define GT_SDRAM_BM_RSVD_ALL1 0xFFB + + +#define GT_SDRAM_ADDRDECODE_ADDR_SHF 0 +#define GT_SDRAM_ADDRDECODE_ADDR_MSK (MSK(3) << GT_SDRAM_ADDRDECODE_ADDR_SHF) +#define GT_SDRAM_ADDRDECODE_ADDR_0 0 +#define GT_SDRAM_ADDRDECODE_ADDR_1 1 +#define GT_SDRAM_ADDRDECODE_ADDR_2 2 +#define GT_SDRAM_ADDRDECODE_ADDR_3 3 +#define GT_SDRAM_ADDRDECODE_ADDR_4 4 +#define GT_SDRAM_ADDRDECODE_ADDR_5 5 +#define GT_SDRAM_ADDRDECODE_ADDR_6 6 +#define GT_SDRAM_ADDRDECODE_ADDR_7 7 + + +#define GT_SDRAM_B0_CASLAT_SHF 0 +#define GT_SDRAM_B0_CASLAT_MSK (MSK(2) << GT_SDRAM_B0__SHF) +#define GT_SDRAM_B0_CASLAT_2 1 +#define GT_SDRAM_B0_CASLAT_3 2 + +#define GT_SDRAM_B0_FTDIS_SHF 2 +#define GT_SDRAM_B0_FTDIS_MSK (MSK(1) << GT_SDRAM_B0_FTDIS_SHF) +#define GT_SDRAM_B0_FTDIS_BIT GT_SDRAM_B0_FTDIS_MSK + +#define GT_SDRAM_B0_SRASPRCHG_SHF 3 +#define GT_SDRAM_B0_SRASPRCHG_MSK (MSK(1) << GT_SDRAM_B0_SRASPRCHG_SHF) +#define GT_SDRAM_B0_SRASPRCHG_BIT GT_SDRAM_B0_SRASPRCHG_MSK +#define GT_SDRAM_B0_SRASPRCHG_2 0 +#define GT_SDRAM_B0_SRASPRCHG_3 1 + +#define GT_SDRAM_B0_B0COMPAB_SHF 4 +#define GT_SDRAM_B0_B0COMPAB_MSK (MSK(1) << GT_SDRAM_B0_B0COMPAB_SHF) +#define GT_SDRAM_B0_B0COMPAB_BIT GT_SDRAM_B0_B0COMPAB_MSK + +#define GT_SDRAM_B0_64BITINT_SHF 5 +#define GT_SDRAM_B0_64BITINT_MSK (MSK(1) << GT_SDRAM_B0_64BITINT_SHF) +#define GT_SDRAM_B0_64BITINT_BIT GT_SDRAM_B0_64BITINT_MSK +#define GT_SDRAM_B0_64BITINT_2 0 +#define GT_SDRAM_B0_64BITINT_4 1 + +#define GT_SDRAM_B0_BW_SHF 6 +#define GT_SDRAM_B0_BW_MSK (MSK(1) << GT_SDRAM_B0_BW_SHF) +#define GT_SDRAM_B0_BW_BIT GT_SDRAM_B0_BW_MSK +#define GT_SDRAM_B0_BW_32 0 +#define GT_SDRAM_B0_BW_64 1 + +#define GT_SDRAM_B0_BLODD_SHF 7 +#define GT_SDRAM_B0_BLODD_MSK (MSK(1) << GT_SDRAM_B0_BLODD_SHF) +#define GT_SDRAM_B0_BLODD_BIT GT_SDRAM_B0_BLODD_MSK + +#define GT_SDRAM_B0_PAR_SHF 8 +#define GT_SDRAM_B0_PAR_MSK (MSK(1) << GT_SDRAM_B0_PAR_SHF) +#define GT_SDRAM_B0_PAR_BIT GT_SDRAM_B0_PAR_MSK + +#define GT_SDRAM_B0_BYPASS_SHF 9 +#define GT_SDRAM_B0_BYPASS_MSK (MSK(1) << GT_SDRAM_B0_BYPASS_SHF) +#define GT_SDRAM_B0_BYPASS_BIT GT_SDRAM_B0_BYPASS_MSK + +#define GT_SDRAM_B0_SRAS2SCAS_SHF 10 +#define GT_SDRAM_B0_SRAS2SCAS_MSK (MSK(1) << GT_SDRAM_B0_SRAS2SCAS_SHF) +#define GT_SDRAM_B0_SRAS2SCAS_BIT GT_SDRAM_B0_SRAS2SCAS_MSK +#define GT_SDRAM_B0_SRAS2SCAS_2 0 +#define GT_SDRAM_B0_SRAS2SCAS_3 1 + +#define GT_SDRAM_B0_SIZE_SHF 11 +#define GT_SDRAM_B0_SIZE_MSK (MSK(1) << GT_SDRAM_B0_SIZE_SHF) +#define GT_SDRAM_B0_SIZE_BIT GT_SDRAM_B0_SIZE_MSK +#define GT_SDRAM_B0_SIZE_16M 0 +#define GT_SDRAM_B0_SIZE_64M 1 + +#define GT_SDRAM_B0_EXTPAR_SHF 12 +#define GT_SDRAM_B0_EXTPAR_MSK (MSK(1) << GT_SDRAM_B0_EXTPAR_SHF) +#define GT_SDRAM_B0_EXTPAR_BIT GT_SDRAM_B0_EXTPAR_MSK + +#define GT_SDRAM_B0_BLEN_SHF 13 +#define GT_SDRAM_B0_BLEN_MSK (MSK(1) << GT_SDRAM_B0_BLEN_SHF) +#define GT_SDRAM_B0_BLEN_BIT GT_SDRAM_B0_BLEN_MSK +#define GT_SDRAM_B0_BLEN_8 0 +#define GT_SDRAM_B0_BLEN_4 1 + + +#define GT_SDRAM_CFG_REFINT_SHF 0 +#define GT_SDRAM_CFG_REFINT_MSK (MSK(14) << GT_SDRAM_CFG_REFINT_SHF) + +#define GT_SDRAM_CFG_NINTERLEAVE_SHF 14 +#define GT_SDRAM_CFG_NINTERLEAVE_MSK (MSK(1) << GT_SDRAM_CFG_NINTERLEAVE_SHF) +#define GT_SDRAM_CFG_NINTERLEAVE_BIT GT_SDRAM_CFG_NINTERLEAVE_MSK + +#define GT_SDRAM_CFG_RMW_SHF 15 +#define GT_SDRAM_CFG_RMW_MSK (MSK(1) << GT_SDRAM_CFG_RMW_SHF) +#define GT_SDRAM_CFG_RMW_BIT GT_SDRAM_CFG_RMW_MSK + +#define GT_SDRAM_CFG_NONSTAGREF_SHF 16 +#define GT_SDRAM_CFG_NONSTAGREF_MSK (MSK(1) << GT_SDRAM_CFG_NONSTAGREF_SHF) +#define GT_SDRAM_CFG_NONSTAGREF_BIT GT_SDRAM_CFG_NONSTAGREF_MSK + +#define GT_SDRAM_CFG_DUPCNTL_SHF 19 +#define GT_SDRAM_CFG_DUPCNTL_MSK (MSK(1) << GT_SDRAM_CFG_DUPCNTL_SHF) +#define GT_SDRAM_CFG_DUPCNTL_BIT GT_SDRAM_CFG_DUPCNTL_MSK + +#define GT_SDRAM_CFG_DUPBA_SHF 20 +#define GT_SDRAM_CFG_DUPBA_MSK (MSK(1) << GT_SDRAM_CFG_DUPBA_SHF) +#define GT_SDRAM_CFG_DUPBA_BIT GT_SDRAM_CFG_DUPBA_MSK + +#define GT_SDRAM_CFG_DUPEOT0_SHF 21 +#define GT_SDRAM_CFG_DUPEOT0_MSK (MSK(1) << GT_SDRAM_CFG_DUPEOT0_SHF) +#define GT_SDRAM_CFG_DUPEOT0_BIT GT_SDRAM_CFG_DUPEOT0_MSK + +#define GT_SDRAM_CFG_DUPEOT1_SHF 22 +#define GT_SDRAM_CFG_DUPEOT1_MSK (MSK(1) << GT_SDRAM_CFG_DUPEOT1_SHF) +#define GT_SDRAM_CFG_DUPEOT1_BIT GT_SDRAM_CFG_DUPEOT1_MSK + +#define GT_SDRAM_OPMODE_OP_SHF 0 +#define GT_SDRAM_OPMODE_OP_MSK (MSK(3) << GT_SDRAM_OPMODE_OP_SHF) +#define GT_SDRAM_OPMODE_OP_NORMAL 0 +#define GT_SDRAM_OPMODE_OP_NOP 1 +#define GT_SDRAM_OPMODE_OP_PRCHG 2 +#define GT_SDRAM_OPMODE_OP_MODE 3 +#define GT_SDRAM_OPMODE_OP_CBR 4 + + +#define GT_PCI0_BARE_SWSCS3BOOTDIS_SHF 0 +#define GT_PCI0_BARE_SWSCS3BOOTDIS_MSK (MSK(1) << GT_PCI0_BARE_SWSCS3BOOTDIS_SHF) +#define GT_PCI0_BARE_SWSCS3BOOTDIS_BIT GT_PCI0_BARE_SWSCS3BOOTDIS_MSK + +#define GT_PCI0_BARE_SWSCS32DIS_SHF 1 +#define GT_PCI0_BARE_SWSCS32DIS_MSK (MSK(1) << GT_PCI0_BARE_SWSCS32DIS_SHF) +#define GT_PCI0_BARE_SWSCS32DIS_BIT GT_PCI0_BARE_SWSCS32DIS_MSK + +#define GT_PCI0_BARE_SWSCS10DIS_SHF 2 +#define GT_PCI0_BARE_SWSCS10DIS_MSK (MSK(1) << GT_PCI0_BARE_SWSCS10DIS_SHF) +#define GT_PCI0_BARE_SWSCS10DIS_BIT GT_PCI0_BARE_SWSCS10DIS_MSK + +#define GT_PCI0_BARE_INTIODIS_SHF 3 +#define GT_PCI0_BARE_INTIODIS_MSK (MSK(1) << GT_PCI0_BARE_INTIODIS_SHF) +#define GT_PCI0_BARE_INTIODIS_BIT GT_PCI0_BARE_INTIODIS_MSK + +#define GT_PCI0_BARE_INTMEMDIS_SHF 4 +#define GT_PCI0_BARE_INTMEMDIS_MSK (MSK(1) << GT_PCI0_BARE_INTMEMDIS_SHF) +#define GT_PCI0_BARE_INTMEMDIS_BIT GT_PCI0_BARE_INTMEMDIS_MSK + +#define GT_PCI0_BARE_CS3BOOTDIS_SHF 5 +#define GT_PCI0_BARE_CS3BOOTDIS_MSK (MSK(1) << GT_PCI0_BARE_CS3BOOTDIS_SHF) +#define GT_PCI0_BARE_CS3BOOTDIS_BIT GT_PCI0_BARE_CS3BOOTDIS_MSK + +#define GT_PCI0_BARE_CS20DIS_SHF 6 +#define GT_PCI0_BARE_CS20DIS_MSK (MSK(1) << GT_PCI0_BARE_CS20DIS_SHF) +#define GT_PCI0_BARE_CS20DIS_BIT GT_PCI0_BARE_CS20DIS_MSK + +#define GT_PCI0_BARE_SCS32DIS_SHF 7 +#define GT_PCI0_BARE_SCS32DIS_MSK (MSK(1) << GT_PCI0_BARE_SCS32DIS_SHF) +#define GT_PCI0_BARE_SCS32DIS_BIT GT_PCI0_BARE_SCS32DIS_MSK + +#define GT_PCI0_BARE_SCS10DIS_SHF 8 +#define GT_PCI0_BARE_SCS10DIS_MSK (MSK(1) << GT_PCI0_BARE_SCS10DIS_SHF) +#define GT_PCI0_BARE_SCS10DIS_BIT GT_PCI0_BARE_SCS10DIS_MSK + + +#define GT_INTRCAUSE_MASABORT0_SHF 18 +#define GT_INTRCAUSE_MASABORT0_MSK (MSK(1) << GT_INTRCAUSE_MASABORT0_SHF) +#define GT_INTRCAUSE_MASABORT0_BIT GT_INTRCAUSE_MASABORT0_MSK + +#define GT_INTRCAUSE_TARABORT0_SHF 19 +#define GT_INTRCAUSE_TARABORT0_MSK (MSK(1) << GT_INTRCAUSE_TARABORT0_SHF) +#define GT_INTRCAUSE_TARABORT0_BIT GT_INTRCAUSE_TARABORT0_MSK + + +#define GT_PCI0_CFGADDR_REGNUM_SHF 2 +#define GT_PCI0_CFGADDR_REGNUM_MSK (MSK(6) << GT_PCI0_CFGADDR_REGNUM_SHF) +#define GT_PCI0_CFGADDR_FUNCTNUM_SHF 8 +#define GT_PCI0_CFGADDR_FUNCTNUM_MSK (MSK(3) << GT_PCI0_CFGADDR_FUNCTNUM_SHF) +#define GT_PCI0_CFGADDR_DEVNUM_SHF 11 +#define GT_PCI0_CFGADDR_DEVNUM_MSK (MSK(5) << GT_PCI0_CFGADDR_DEVNUM_SHF) +#define GT_PCI0_CFGADDR_BUSNUM_SHF 16 +#define GT_PCI0_CFGADDR_BUSNUM_MSK (MSK(8) << GT_PCI0_CFGADDR_BUSNUM_SHF) +#define GT_PCI0_CFGADDR_CONFIGEN_SHF 31 +#define GT_PCI0_CFGADDR_CONFIGEN_MSK (MSK(1) << GT_PCI0_CFGADDR_CONFIGEN_SHF) +#define GT_PCI0_CFGADDR_CONFIGEN_BIT GT_PCI0_CFGADDR_CONFIGEN_MSK + + +/************************************************************************ + * Misc + ************************************************************************/ + +#define GT_DEF_BASE 0x14000000 +#define GT_DEF_PCI0_MEM0_BASE 0x12000000 +#define GT_MAX_BANKSIZE (256 * 1024 * 1024) /* Max 256MB bank */ +#define GT_LATTIM_MIN 6 /* Minimum lat */ + +#endif /* #ifndef GT64120_H */ diff --git a/include/asm-mips/mips-boards/malta.h b/include/asm-mips/mips-boards/malta.h new file mode 100644 index 000000000..d4b222053 --- /dev/null +++ b/include/asm-mips/mips-boards/malta.h @@ -0,0 +1,59 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Defines of the Malta board specific address-MAP, registers, etc. + * + */ +#ifndef _MIPS_MALTA_H +#define _MIPS_MALTA_H + +#include <asm/addrspace.h> +#include <asm/io.h> + +/* + * Malta I/O ports base address. +*/ +#define MALTA_PORT_BASE (KSEG1ADDR(0x18000000)) + +/* + * Malta RTC-device indirect register access. + */ +#define MALTA_RTC_ADR_REG 0x70 +#define MALTA_RTC_DAT_REG 0x71 + +/* + * Malta SMSC FDC37M817 Super I/O Controller register. + */ +#define SMSC_CONFIG_REG 0x3f0 +#define SMSC_DATA_REG 0x3f1 + +#define SMSC_CONFIG_DEVNUM 0x7 +#define SMSC_CONFIG_ACTIVATE 0x30 +#define SMSC_CONFIG_ENTER 0x55 +#define SMSC_CONFIG_EXIT 0xaa + +#define SMSC_CONFIG_DEVNUM_FLOPPY 0 + +#define SMSC_CONFIG_ACTIVATE_ENABLE 1 + +#define SMSC_WRITE(x,a) outb(x,a) + +#endif /* !(_MIPS_MALTA_H) */ diff --git a/include/asm-mips/mips-boards/maltaint.h b/include/asm-mips/mips-boards/maltaint.h new file mode 100644 index 000000000..376181882 --- /dev/null +++ b/include/asm-mips/mips-boards/maltaint.h @@ -0,0 +1,33 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Defines for the Malta interrupt controller. + * + */ +#ifndef _MIPS_MALTAINT_H +#define _MIPS_MALTAINT_H + +/* Number of IRQ supported on hw interrupt 0. */ +#define MALTAINT_END 16 + +extern void maltaint_init(void); + +#endif /* !(_MIPS_MALTAINT_H) */ diff --git a/include/asm-mips/mips-boards/piix4.h b/include/asm-mips/mips-boards/piix4.h new file mode 100644 index 000000000..1136314a7 --- /dev/null +++ b/include/asm-mips/mips-boards/piix4.h @@ -0,0 +1,86 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * Register definitions for Intel PIIX4 South Bridge Device. + * + */ + +#ifndef PIIX4_H +#define PIIX4_H + +/************************************************************************ + * IO register offsets + ************************************************************************/ +#define PIIX4_ICTLR1_ICW1 0x20 +#define PIIX4_ICTLR1_ICW2 0x21 +#define PIIX4_ICTLR1_ICW3 0x21 +#define PIIX4_ICTLR1_ICW4 0x21 +#define PIIX4_ICTLR2_ICW1 0xa0 +#define PIIX4_ICTLR2_ICW2 0xa1 +#define PIIX4_ICTLR2_ICW3 0xa1 +#define PIIX4_ICTLR2_ICW4 0xa1 +#define PIIX4_ICTLR1_OCW1 0x21 +#define PIIX4_ICTLR1_OCW2 0x20 +#define PIIX4_ICTLR1_OCW3 0x20 +#define PIIX4_ICTLR1_OCW4 0x20 +#define PIIX4_ICTLR2_OCW1 0xa1 +#define PIIX4_ICTLR2_OCW2 0xa0 +#define PIIX4_ICTLR2_OCW3 0xa0 +#define PIIX4_ICTLR2_OCW4 0xa0 + + +/************************************************************************ + * Register encodings. + ************************************************************************/ +#define PIIX4_OCW2_NSEOI (0x1 << 5) +#define PIIX4_OCW2_SEOI (0x3 << 5) +#define PIIX4_OCW2_RNSEOI (0x5 << 5) +#define PIIX4_OCW2_RAEOIS (0x4 << 5) +#define PIIX4_OCW2_RAEOIC (0x0 << 5) +#define PIIX4_OCW2_RSEOI (0x7 << 5) +#define PIIX4_OCW2_SP (0x6 << 5) +#define PIIX4_OCW2_NOP (0x2 << 5) + +#define PIIX4_OCW2_SEL (0x0 << 3) + +#define PIIX4_OCW2_ILS_0 0 +#define PIIX4_OCW2_ILS_1 1 +#define PIIX4_OCW2_ILS_2 2 +#define PIIX4_OCW2_ILS_3 3 +#define PIIX4_OCW2_ILS_4 4 +#define PIIX4_OCW2_ILS_5 5 +#define PIIX4_OCW2_ILS_6 6 +#define PIIX4_OCW2_ILS_7 7 +#define PIIX4_OCW2_ILS_8 0 +#define PIIX4_OCW2_ILS_9 1 +#define PIIX4_OCW2_ILS_10 2 +#define PIIX4_OCW2_ILS_11 3 +#define PIIX4_OCW2_ILS_12 4 +#define PIIX4_OCW2_ILS_13 5 +#define PIIX4_OCW2_ILS_14 6 +#define PIIX4_OCW2_ILS_15 7 + +#define PIIX4_OCW3_SEL (0x1 << 3) + +#define PIIX4_OCW3_IRR 0x2 +#define PIIX4_OCW3_ISR 0x3 + +#endif /* !(PIIX4_H) */ diff --git a/include/asm-mips/mips-boards/prom.h b/include/asm-mips/mips-boards/prom.h new file mode 100644 index 000000000..5d7fb0ef2 --- /dev/null +++ b/include/asm-mips/mips-boards/prom.h @@ -0,0 +1,49 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * MIPS boards bootprom interface for the Linux kernel. + * + */ + +#ifndef _MIPS_PROM_H +#define _MIPS_PROM_H + +extern char *prom_getcmdline(void); +extern char *prom_getenv(char *name); +extern void setup_prom_printf(void); +extern void prom_printf(char *fmt, ...); +extern void prom_init_cmdline(void); +extern void prom_meminit(void); +extern void prom_fixup_mem_map(unsigned long start_mem, unsigned long end_mem); +extern void prom_free_prom_memory (void); +extern void mips_display_message(const char *str); +extern void mips_display_word(unsigned int num); +extern int get_ethernet_addr(char *ethernet_addr); + +/* Memory descriptor management. */ +#define PROM_MAX_PMEMBLOCKS 32 +struct prom_pmemblock { + unsigned long base; /* Within KSEG0. */ + unsigned int size; /* In bytes. */ + unsigned int type; /* free or prom memory */ +}; + +#endif /* !(_MIPS_PROM_H) */ |