diff options
| -rw-r--r-- | arch/powerpc/configs/ps3_defconfig | 250 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/cputable.h | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_32.S | 6 | ||||
| -rw-r--r-- | arch/powerpc/platforms/ps3/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/block/Makefile | 1 | ||||
| -rw-r--r-- | drivers/block/ps3vram.c | 865 | ||||
| -rw-r--r-- | drivers/mtd/devices/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/mtd/devices/Makefile | 1 | ||||
| -rw-r--r-- | drivers/mtd/devices/ps3vram.c | 768 |
9 files changed, 1069 insertions, 840 deletions
diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig index b6eee7c93cd..ac14f5245d2 100644 --- a/arch/powerpc/configs/ps3_defconfig +++ b/arch/powerpc/configs/ps3_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.27-rc3 -# Wed Aug 20 08:16:53 2008 +# Linux kernel version: 2.6.29-rc8 +# Fri Mar 13 09:28:45 2009 # CONFIG_PPC64=y @@ -16,13 +16,14 @@ CONFIG_PPC_FPU=y CONFIG_ALTIVEC=y # CONFIG_VSX is not set CONFIG_PPC_STD_MMU=y +CONFIG_PPC_STD_MMU_64=y CONFIG_PPC_MM_SLICES=y CONFIG_VIRT_CPU_ACCOUNTING=y CONFIG_SMP=y CONFIG_NR_CPUS=2 CONFIG_64BIT=y CONFIG_WORD_SIZE=64 -CONFIG_PPC_MERGE=y +CONFIG_ARCH_PHYS_ADDR_T_64BIT=y CONFIG_MMU=y CONFIG_GENERIC_CMOS_UPDATE=y CONFIG_GENERIC_TIME=y @@ -46,7 +47,7 @@ CONFIG_PPC=y CONFIG_EARLY_PRINTK=y CONFIG_COMPAT=y CONFIG_SYSVIPC_COMPAT=y -CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_SCHED_OMIT_FRAME_POINTER=y CONFIG_ARCH_MAY_HAVE_PC_FDC=y CONFIG_PPC_OF=y CONFIG_OF=y @@ -74,10 +75,19 @@ CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set # CONFIG_AUDIT is not set + +# +# RCU Subsystem +# +CONFIG_CLASSIC_RCU=y +# CONFIG_TREE_RCU is not set +# CONFIG_PREEMPT_RCU is not set +# CONFIG_TREE_RCU_TRACE is not set +# CONFIG_PREEMPT_RCU_TRACE is not set # CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=17 -# CONFIG_CGROUPS is not set # CONFIG_GROUP_SCHED is not set +# CONFIG_CGROUPS is not set CONFIG_SYSFS_DEPRECATED=y CONFIG_SYSFS_DEPRECATED_V2=y # CONFIG_RELAY is not set @@ -86,11 +96,13 @@ CONFIG_NAMESPACES=y # CONFIG_IPC_NS is not set # CONFIG_USER_NS is not set # CONFIG_PID_NS is not set +# CONFIG_NET_NS is not set CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y -# CONFIG_EMBEDDED is not set +CONFIG_ANON_INODES=y +CONFIG_EMBEDDED=y CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y @@ -99,37 +111,36 @@ CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y -# CONFIG_COMPAT_BRK is not set CONFIG_BASE_FULL=y CONFIG_FUTEX=y -CONFIG_ANON_INODES=y CONFIG_EPOLL=y CONFIG_SIGNALFD=y CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y +CONFIG_AIO=y CONFIG_VM_EVENT_COUNTERS=y +# CONFIG_COMPAT_BRK is not set CONFIG_SLAB=y # CONFIG_SLUB is not set # CONFIG_SLOB is not set CONFIG_PROFILING=y -# CONFIG_MARKERS is not set +CONFIG_TRACEPOINTS=y +CONFIG_MARKERS=y CONFIG_OPROFILE=m CONFIG_HAVE_OPROFILE=y # CONFIG_KPROBES is not set CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y +CONFIG_HAVE_SYSCALL_WRAPPERS=y CONFIG_HAVE_IOREMAP_PROT=y CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y CONFIG_HAVE_ARCH_TRACEHOOK=y CONFIG_HAVE_DMA_ATTRS=y CONFIG_USE_GENERIC_SMP_HELPERS=y -# CONFIG_HAVE_CLK is not set -CONFIG_PROC_PAGE_MONITOR=y # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y -# CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 CONFIG_MODULES=y # CONFIG_MODULE_FORCE_LOAD is not set @@ -137,7 +148,6 @@ CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set -CONFIG_KMOD=y CONFIG_STOP_MACHINE=y CONFIG_BLOCK=y # CONFIG_BLK_DEV_IO_TRACE is not set @@ -157,7 +167,7 @@ CONFIG_DEFAULT_AS=y # CONFIG_DEFAULT_CFQ is not set # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="anticipatory" -CONFIG_CLASSIC_RCU=y +# CONFIG_FREEZER is not set # # Platform support @@ -183,18 +193,20 @@ CONFIG_PS3_STORAGE=y CONFIG_PS3_DISK=y CONFIG_PS3_ROM=y CONFIG_PS3_FLASH=y -CONFIG_OPROFILE_PS3=y +CONFIG_PS3_VRAM=m CONFIG_PS3_LPM=m CONFIG_PPC_CELL=y # CONFIG_PPC_CELL_NATIVE is not set # CONFIG_PPC_IBM_CELL_BLADE is not set # CONFIG_PPC_CELLEB is not set +# CONFIG_PPC_CELL_QPACE is not set # # Cell Broadband Engine options # CONFIG_SPU_FS=y CONFIG_SPU_FS_64K_LS=y +# CONFIG_SPU_TRACE is not set CONFIG_SPU_BASE=y # CONFIG_PQ2ADS is not set # CONFIG_IPIC is not set @@ -210,6 +222,7 @@ CONFIG_SPU_BASE=y # CONFIG_GENERIC_IOMAP is not set # CONFIG_CPU_FREQ is not set # CONFIG_FSL_ULI1575 is not set +# CONFIG_SIMPLE_GPIO is not set # # Kernel options @@ -229,6 +242,8 @@ CONFIG_PREEMPT_NONE=y # CONFIG_PREEMPT is not set CONFIG_BINFMT_ELF=y CONFIG_COMPAT_BINFMT_ELF=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +# CONFIG_HAVE_AOUT is not set CONFIG_BINFMT_MISC=y CONFIG_HUGETLB_PAGE_SIZE_VARIABLE=y # CONFIG_IOMMU_VMERGE is not set @@ -251,7 +266,6 @@ CONFIG_SELECT_MEMORY_MODEL=y CONFIG_SPARSEMEM_MANUAL=y CONFIG_SPARSEMEM=y CONFIG_HAVE_MEMORY_PRESENT=y -# CONFIG_SPARSEMEM_STATIC is not set CONFIG_SPARSEMEM_EXTREME=y CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y # CONFIG_SPARSEMEM_VMEMMAP is not set @@ -261,11 +275,14 @@ CONFIG_MEMORY_HOTPLUG_SPARSE=y CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_MIGRATION=y -CONFIG_RESOURCES_64BIT=y +CONFIG_PHYS_ADDR_T_64BIT=y CONFIG_ZONE_DMA_FLAG=1 CONFIG_BOUNCE=y +CONFIG_UNEVICTABLE_LRU=y CONFIG_ARCH_MEMORY_PROBE=y CONFIG_PPC_HAS_HASH_64K=y +CONFIG_PPC_4K_PAGES=y +# CONFIG_PPC_16K_PAGES is not set # CONFIG_PPC_64K_PAGES is not set CONFIG_FORCE_MAX_ZONEORDER=13 CONFIG_SCHED_SMT=y @@ -299,6 +316,7 @@ CONFIG_NET=y # # Networking options # +CONFIG_COMPAT_NET_DEV_OPS=y CONFIG_PACKET=y CONFIG_PACKET_MMAP=y CONFIG_UNIX=y @@ -361,6 +379,7 @@ CONFIG_IPV6_NDISC_NODETYPE=y # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set +# CONFIG_NET_DSA is not set # CONFIG_VLAN_8021Q is not set # CONFIG_DECNET is not set # CONFIG_LLC2 is not set @@ -371,6 +390,7 @@ CONFIG_IPV6_NDISC_NODETYPE=y # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set # CONFIG_NET_SCHED is not set +# CONFIG_DCB is not set # # Network testing @@ -392,39 +412,37 @@ CONFIG_BT_HIDP=m # # Bluetooth device drivers # -CONFIG_BT_HCIUSB=m -CONFIG_BT_HCIUSB_SCO=y +CONFIG_BT_HCIBTUSB=m # CONFIG_BT_HCIUART is not set # CONFIG_BT_HCIBCM203X is not set # CONFIG_BT_HCIBPA10X is not set # CONFIG_BT_HCIBFUSB is not set # CONFIG_BT_HCIVHCI is not set # CONFIG_AF_RXRPC is not set - -# -# Wireless -# +# CONFIG_PHONET is not set +CONFIG_WIRELESS=y CONFIG_CFG80211=m +# CONFIG_CFG80211_REG_DEBUG is not set CONFIG_NL80211=y +# CONFIG_WIRELESS_OLD_REGULATORY is not set CONFIG_WIRELESS_EXT=y # CONFIG_WIRELESS_EXT_SYSFS is not set +# CONFIG_LIB80211 is not set CONFIG_MAC80211=m # # Rate control algorithm selection # CONFIG_MAC80211_RC_PID=y +# CONFIG_MAC80211_RC_MINSTREL is not set CONFIG_MAC80211_RC_DEFAULT_PID=y +# CONFIG_MAC80211_RC_DEFAULT_MINSTREL is not set CONFIG_MAC80211_RC_DEFAULT="pid" # CONFIG_MAC80211_MESH is not set # CONFIG_MAC80211_LEDS is not set # CONFIG_MAC80211_DEBUGFS is not set # CONFIG_MAC80211_DEBUG_MENU is not set -CONFIG_IEEE80211=m -# CONFIG_IEEE80211_DEBUG is not set -CONFIG_IEEE80211_CRYPT_WEP=m -CONFIG_IEEE80211_CRYPT_CCMP=m -CONFIG_IEEE80211_CRYPT_TKIP=m +# CONFIG_WIMAX is not set # CONFIG_RFKILL is not set # CONFIG_NET_9P is not set @@ -450,6 +468,7 @@ CONFIG_MTD_DEBUG=y CONFIG_MTD_DEBUG_VERBOSE=0 # CONFIG_MTD_CONCAT is not set # CONFIG_MTD_PARTITIONS is not set +# CONFIG_MTD_TESTS is not set # # User Modules And Translation Layers @@ -494,7 +513,6 @@ CONFIG_MTD_CFI_I2=y # # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set -CONFIG_MTD_PS3VRAM=y # CONFIG_MTD_MTDRAM is not set # CONFIG_MTD_BLOCK2MTD is not set @@ -508,6 +526,11 @@ CONFIG_MTD_PS3VRAM=y # CONFIG_MTD_ONENAND is not set # +# LPDDR flash memory drivers +# +# CONFIG_MTD_LPDDR is not set + +# # UBI - Unsorted block images # # CONFIG_MTD_UBI is not set @@ -528,8 +551,13 @@ CONFIG_BLK_DEV_RAM_SIZE=65535 # CONFIG_ATA_OVER_ETH is not set # CONFIG_BLK_DEV_HD is not set CONFIG_MISC_DEVICES=y -# CONFIG_EEPROM_93CX6 is not set # CONFIG_ENCLOSURE_SERVICES is not set +# CONFIG_C2PORT is not set + +# +# EEPROM support +# +# CONFIG_EEPROM_93CX6 is not set CONFIG_HAVE_IDE=y # CONFIG_IDE is not set @@ -575,7 +603,17 @@ CONFIG_SCSI_WAIT_SCAN=m # CONFIG_SCSI_LOWLEVEL is not set # CONFIG_SCSI_DH is not set # CONFIG_ATA is not set -# CONFIG_MD is not set +CONFIG_MD=y +# CONFIG_BLK_DEV_MD is not set +CONFIG_BLK_DEV_DM=m +# CONFIG_DM_DEBUG is not set +# CONFIG_DM_CRYPT is not set +# CONFIG_DM_SNAPSHOT is not set +# CONFIG_DM_MIRROR is not set +# CONFIG_DM_ZERO is not set +# CONFIG_DM_MULTIPATH is not set +# CONFIG_DM_DELAY is not set +# CONFIG_DM_UEVENT is not set # CONFIG_MACINTOSH_DRIVERS is not set CONFIG_NETDEVICES=y # CONFIG_DUMMY is not set @@ -591,6 +629,9 @@ CONFIG_MII=m # CONFIG_IBM_NEW_EMAC_RGMII is not set # CONFIG_IBM_NEW_EMAC_TAH is not set # CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set +# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set +# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set # CONFIG_B44 is not set CONFIG_NETDEV_1000=y CONFIG_GELIC_NET=y @@ -604,6 +645,7 @@ CONFIG_GELIC_WIRELESS_OLD_PSK_INTERFACE=y # CONFIG_WLAN_PRE80211 is not set CONFIG_WLAN_80211=y # CONFIG_LIBERTAS is not set +# CONFIG_LIBERTAS_THINFIRM is not set # CONFIG_USB_ZD1201 is not set # CONFIG_USB_NET_RNDIS_WLAN is not set # CONFIG_RTL8187 is not set @@ -615,13 +657,11 @@ CONFIG_WLAN_80211=y # CONFIG_B43LEGACY is not set CONFIG_ZD1211RW=m # CONFIG_ZD1211RW_DEBUG is not set -CONFIG_RT2X00=m -CONFIG_RT2X00_LIB=m -CONFIG_RT2X00_LIB_USB=m -CONFIG_RT2X00_LIB_FIRMWARE=y -# CONFIG_RT2500USB is not set -CONFIG_RT73USB=m -# CONFIG_RT2X00_DEBUG is not set +# CONFIG_RT2X00 is not set + +# +# Enable WiMAX (Networking options) to see the WiMAX drivers +# # # USB Network Adapters @@ -634,6 +674,7 @@ CONFIG_USB_USBNET=m CONFIG_USB_NET_AX8817X=m # CONFIG_USB_NET_CDCETHER is not set # CONFIG_USB_NET_DM9601 is not set +# CONFIG_USB_NET_SMSC95XX is not set # CONFIG_USB_NET_GL620A is not set # CONFIG_USB_NET_NET1080 is not set # CONFIG_USB_NET_PLUSB is not set @@ -664,7 +705,7 @@ CONFIG_SLHC=m # Input device support # CONFIG_INPUT=y -# CONFIG_INPUT_FF_MEMLESS is not set +CONFIG_INPUT_FF_MEMLESS=m # CONFIG_INPUT_POLLDEV is not set # @@ -735,8 +776,10 @@ CONFIG_DEVKMEM=y # Non-8250 serial port support # CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=16 +# CONFIG_HVC_UDBG is not set # CONFIG_IPMI_HANDLER is not set # CONFIG_HW_RANDOM is not set # CONFIG_R3964 is not set @@ -753,11 +796,11 @@ CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y # CONFIG_THERMAL is not set # CONFIG_THERMAL_HWMON is not set # CONFIG_WATCHDOG is not set +CONFIG_SSB_POSSIBLE=y # # Sonics Silicon Backplane # -CONFIG_SSB_POSSIBLE=y # CONFIG_SSB is not set # @@ -767,6 +810,7 @@ CONFIG_SSB_POSSIBLE=y # CONFIG_MFD_SM501 is not set # CONFIG_HTC_PASIC3 is not set # CONFIG_MFD_TMIO is not set +# CONFIG_REGULATOR is not set # # Multimedia devices @@ -792,6 +836,7 @@ CONFIG_VIDEO_OUTPUT_CONTROL=m CONFIG_FB=y # CONFIG_FIRMWARE_EDID is not set # CONFIG_FB_DDC is not set +# CONFIG_FB_BOOT_VESA_SUPPORT is not set # CONFIG_FB_CFB_FILLRECT is not set # CONFIG_FB_CFB_COPYAREA is not set # CONFIG_FB_CFB_IMAGEBLIT is not set @@ -817,6 +862,8 @@ CONFIG_FB_SYS_FOPS=y CONFIG_FB_PS3=y CONFIG_FB_PS3_DEFAULT_SIZE_M=9 # CONFIG_FB_VIRTUAL is not set +# CONFIG_FB_METRONOME is not set +# CONFIG_FB_MB862XX is not set # CONFIG_BACKLIGHT_LCD_SUPPORT is not set # @@ -841,6 +888,7 @@ CONFIG_FB_LOGO_EXTRA=y # CONFIG_LOGO_LINUX_VGA16 is not set CONFIG_LOGO_LINUX_CLUT224=y CONFIG_SOUND=m +# CONFIG_SOUND_OSS_CORE is not set CONFIG_SND=m CONFIG_SND_TIMER=m CONFIG_SND_PCM=m @@ -849,6 +897,7 @@ CONFIG_SND_RAWMIDI=m # CONFIG_SND_SEQUENCER is not set # CONFIG_SND_MIXER_OSS is not set # CONFIG_SND_PCM_OSS is not set +# CONFIG_SND_HRTIMER is not set # CONFIG_SND_DYNAMIC_MINORS is not set CONFIG_SND_SUPPORT_OLD_API=y CONFIG_SND_VERBOSE_PROCFS=y @@ -873,15 +922,40 @@ CONFIG_HIDRAW=y # USB Input Devices # CONFIG_USB_HID=m -# CONFIG_USB_HIDINPUT_POWERBOOK is not set -# CONFIG_HID_FF is not set -# CONFIG_USB_HIDDEV is not set +# CONFIG_HID_PID is not set +CONFIG_USB_HIDDEV=y # # USB HID Boot Protocol drivers # # CONFIG_USB_KBD is not set # CONFIG_USB_MOUSE is not set + +# +# Special HID drivers +# +# CONFIG_HID_COMPAT is not set +# CONFIG_HID_A4TECH is not set +# CONFIG_HID_APPLE is not set +# CONFIG_HID_BELKIN is not set +# CONFIG_HID_CHERRY is not set +# CONFIG_HID_CHICONY is not set +# CONFIG_HID_CYPRESS is not set +# CONFIG_HID_EZKEY is not set +# CONFIG_HID_GYRATION is not set +# CONFIG_HID_LOGITECH is not set +# CONFIG_HID_MICROSOFT is not set +# CONFIG_HID_MONTEREY is not set +# CONFIG_HID_NTRIG is not set +# CONFIG_HID_PANTHERLORD is not set +# CONFIG_HID_PETALYNX is not set +# CONFIG_HID_SAMSUNG is not set +# CONFIG_HID_SONY is not set +# CONFIG_HID_SUNPLUS is not set +# CONFIG_GREENASIA_FF is not set +# CONFIG_HID_TOPSEED is not set +# CONFIG_THRUSTMASTER_FF is not set +# CONFIG_ZEROPLUS_FF is not set CONFIG_USB_SUPPORT=y CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y @@ -898,7 +972,11 @@ CONFIG_USB_DEVICEFS=y # CONFIG_USB_DYNAMIC_MINORS is not set CONFIG_USB_SUSPEND=y # CONFIG_USB_OTG is not set -CONFIG_USB_MON=y +# CONFIG_USB_OTG_WHITELIST is not set +# CONFIG_USB_OTG_BLACKLIST_HUB is not set +CONFIG_USB_MON=m +# CONFIG_USB_WUSB is not set +# CONFIG_USB_WUSB_CBAF is not set # # USB Host Controller Drivers @@ -909,6 +987,7 @@ CONFIG_USB_EHCI_HCD=m # CONFIG_USB_EHCI_TT_NEWSCHED is not set CONFIG_USB_EHCI_BIG_ENDIAN_MMIO=y # CONFIG_USB_EHCI_HCD_PPC_OF is not set +# CONFIG_USB_OXU210HP_HCD is not set # CONFIG_USB_ISP116X_HCD is not set # CONFIG_USB_ISP1760_HCD is not set CONFIG_USB_OHCI_HCD=m @@ -918,6 +997,7 @@ CONFIG_USB_OHCI_BIG_ENDIAN_MMIO=y CONFIG_USB_OHCI_LITTLE_ENDIAN=y # CONFIG_USB_SL811_HCD is not set # CONFIG_USB_R8A66597_HCD is not set +# CONFIG_USB_HWA_HCD is not set # # Enable Host or Gadget support to see Inventra options @@ -929,20 +1009,20 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y # CONFIG_USB_ACM is not set # CONFIG_USB_PRINTER is not set # CONFIG_USB_WDM is not set +# CONFIG_USB_TMC is not set # -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed; # # -# may also be needed; see USB_STORAGE Help for more information +# see USB_STORAGE Help for more information # CONFIG_USB_STORAGE=m # CONFIG_USB_STORAGE_DEBUG is not set # CONFIG_USB_STORAGE_DATAFAB is not set # CONFIG_USB_STORAGE_FREECOM is not set # CONFIG_USB_STORAGE_ISD200 is not set -# CONFIG_USB_STORAGE_DPCM is not set # CONFIG_USB_STORAGE_USBAT is not set # CONFIG_USB_STORAGE_SDDR09 is not set # CONFIG_USB_STORAGE_SDDR55 is not set @@ -950,7 +1030,6 @@ CONFIG_USB_STORAGE=m # CONFIG_USB_STORAGE_ALAUDA is not set # CONFIG_USB_STORAGE_ONETOUCH is not set # CONFIG_USB_STORAGE_KARMA is not set -# CONFIG_USB_STORAGE_SIERRA is not set # CONFIG_USB_STORAGE_CYPRESS_ATACB is not set # CONFIG_USB_LIBUSUAL is not set @@ -971,6 +1050,7 @@ CONFIG_USB_STORAGE=m # CONFIG_USB_EMI62 is not set # CONFIG_USB_EMI26 is not set # CONFIG_USB_ADUTUX is not set +# CONFIG_USB_SEVSEG is not set # CONFIG_USB_RIO500 is not set # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set @@ -988,7 +1068,12 @@ CONFIG_USB_STORAGE=m # CONFIG_USB_IOWARRIOR is not set # CONFIG_USB_TEST is not set # CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_VST is not set # CONFIG_USB_GADGET is not set + +# +# OTG and related infrastructure +# # CONFIG_MMC is not set # CONFIG_MEMSTICK is not set # CONFIG_NEW_LEDS is not set @@ -1014,12 +1099,15 @@ CONFIG_RTC_INTF_DEV=y # Platform RTC drivers # # CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1286 is not set # CONFIG_RTC_DRV_DS1511 is not set # CONFIG_RTC_DRV_DS1553 is not set # CONFIG_RTC_DRV_DS1742 is not set # CONFIG_RTC_DRV_STK17TA8 is not set # CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set # CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_BQ4802 is not set # CONFIG_RTC_DRV_V3020 is not set # @@ -1028,6 +1116,7 @@ CONFIG_RTC_INTF_DEV=y CONFIG_RTC_DRV_PPC=m # CONFIG_DMADEVICES is not set # CONFIG_UIO is not set +# CONFIG_STAGING is not set # # File systems @@ -1035,26 +1124,35 @@ CONFIG_RTC_DRV_PPC=m CONFIG_EXT2_FS=m # CONFIG_EXT2_FS_XATTR is not set # CONFIG_EXT2_FS_XIP is not set -CONFIG_EXT3_FS=y +CONFIG_EXT3_FS=m CONFIG_EXT3_FS_XATTR=y # CONFIG_EXT3_FS_POSIX_ACL is not set # CONFIG_EXT3_FS_SECURITY is not set -# CONFIG_EXT4DEV_FS is not set -CONFIG_JBD=y +CONFIG_EXT4_FS=y +# CONFIG_EXT4DEV_COMPAT is not set +CONFIG_EXT4_FS_XATTR=y +# CONFIG_EXT4_FS_POSIX_ACL is not set +# CONFIG_EXT4_FS_SECURITY is not set +CONFIG_JBD=m # CONFIG_JBD_DEBUG is not set +CONFIG_JBD2=y +# CONFIG_JBD2_DEBUG is not set CONFIG_FS_MBCACHE=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set # CONFIG_FS_POSIX_ACL is not set +CONFIG_FILE_LOCKING=y # CONFIG_XFS_FS is not set # CONFIG_GFS2_FS is not set # CONFIG_OCFS2_FS is not set +# CONFIG_BTRFS_FS is not set CONFIG_DNOTIFY=y CONFIG_INOTIFY=y CONFIG_INOTIFY_USER=y CONFIG_QUOTA=y # CONFIG_QUOTA_NETLINK_INTERFACE is not set CONFIG_PRINT_QUOTA_WARNING=y +CONFIG_QUOTA_TREE=y # CONFIG_QFMT_V1 is not set CONFIG_QFMT_V2=y CONFIG_QUOTACTL=y @@ -1087,16 +1185,14 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y CONFIG_SYSFS=y CONFIG_TMPFS=y # CONFIG_TMPFS_POSIX_ACL is not set CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y # CONFIG_CONFIGFS_FS is not set - -# -# Miscellaneous filesystems -# +CONFIG_MISC_FILESYSTEMS=y # CONFIG_ADFS_FS is not set # CONFIG_AFFS_FS is not set # CONFIG_HFS_FS is not set @@ -1106,6 +1202,7 @@ CONFIG_HUGETLB_PAGE=y # CONFIG_EFS_FS is not set # CONFIG_JFFS2_FS is not set # CONFIG_CRAMFS is not set +# CONFIG_SQUASHFS is not set # CONFIG_VXFS_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_OMFS_FS is not set @@ -1126,6 +1223,7 @@ CONFIG_LOCKD_V4=y CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y CONFIG_SUNRPC_GSS=y +# CONFIG_SUNRPC_REGISTER_V4 is not set CONFIG_RPCSEC_GSS_KRB5=y # CONFIG_RPCSEC_GSS_SPKM3 is not set # CONFIG_SMB_FS is not set @@ -1190,9 +1288,9 @@ CONFIG_NLS_ISO8859_1=y # Library routines # CONFIG_BITREVERSE=y -# CONFIG_GENERIC_FIND_FIRST_BIT is not set +CONFIG_GENERIC_FIND_LAST_BIT=y CONFIG_CRC_CCITT=m -# CONFIG_CRC16 is not set +CONFIG_CRC16=y CONFIG_CRC_T10DIF=y CONFIG_CRC_ITU_T=m CONFIG_CRC32=y @@ -1250,27 +1348,44 @@ CONFIG_DEBUG_WRITECOUNT=y CONFIG_DEBUG_MEMORY_INIT=y CONFIG_DEBUG_LIST=y # CONFIG_DEBUG_SG is not set -CONFIG_FRAME_POINTER=y +# CONFIG_DEBUG_NOTIFIERS is not set # CONFIG_BOOT_PRINTK_DELAY is not set # CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RCU_CPU_STALL_DETECTOR is not set # CONFIG_BACKTRACE_SELF_TEST is not set +# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_FAULT_INJECTION is not set # CONFIG_LATENCYTOP is not set CONFIG_SYSCTL_SYSCALL_CHECK=y -CONFIG_HAVE_FTRACE=y +CONFIG_NOP_TRACER=y +CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_HAVE_DYNAMIC_FTRACE=y -# CONFIG_FTRACE is not set +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_RING_BUFFER=y +CONFIG_TRACING=y + +# +# Tracers +# +# CONFIG_FUNCTION_TRACER is not set # CONFIG_IRQSOFF_TRACER is not set # CONFIG_SCHED_TRACER is not set # CONFIG_CONTEXT_SWITCH_TRACER is not set +# CONFIG_BOOT_TRACER is not set +# CONFIG_TRACE_BRANCH_PROFILING is not set +# CONFIG_STACK_TRACER is not set +# CONFIG_FTRACE_STARTUP_TEST is not set +# CONFIG_DYNAMIC_PRINTK_DEBUG is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set +CONFIG_PRINT_STACK_DEPTH=64 CONFIG_DEBUG_STACKOVERFLOW=y # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_DEBUG_PAGEALLOC is not set # CONFIG_CODE_PATCHING_SELFTEST is not set # CONFIG_FTR_FIXUP_SELFTEST is not set +# CONFIG_MSI_BITMAP_SELFTEST is not set # CONFIG_XMON is not set CONFIG_IRQSTACKS=y # CONFIG_VIRQ_DEBUG is not set @@ -1282,16 +1397,26 @@ CONFIG_IRQSTACKS=y # # CONFIG_KEYS is not set # CONFIG_SECURITY is not set +# CONFIG_SECURITYFS is not set # CONFIG_SECURITY_FILE_CAPABILITIES is not set CONFIG_CRYPTO=y # # Crypto core or helper # +# CONFIG_CRYPTO_FIPS is not set CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_ALGAPI2=y CONFIG_CRYPTO_AEAD=m +CONFIG_CRYPTO_AEAD2=y CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_BLKCIPHER2=y +CONFIG_CRYPTO_HASH=y +CONFIG_CRYPTO_HASH2=y +CONFIG_CRYPTO_RNG=m +CONFIG_CRYPTO_RNG2=y CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_MANAGER2=y CONFIG_CRYPTO_GF128MUL=m # CONFIG_CRYPTO_NULL is not set # CONFIG_CRYPTO_CRYPTD is not set @@ -1363,6 +1488,11 @@ CONFIG_CRYPTO_SALSA20=m # # CONFIG_CRYPTO_DEFLATE is not set CONFIG_CRYPTO_LZO=m + +# +# Random Number Generation +# +# CONFIG_CRYPTO_ANSI_CPRNG is not set CONFIG_CRYPTO_HW=y # CONFIG_PPC_CLOCK is not set # CONFIG_VIRTUALIZATION is not set diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index 4911104791c..21172badd70 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -241,9 +241,11 @@ extern const char *powerpc_base_platform; /* We need to mark all pages as being coherent if we're SMP or we have a * 74[45]x and an MPC107 host bridge. Also 83xx and PowerQUICC II * require it for PCI "streaming/prefetch" to work properly. + * This is also required by 52xx family. */ #if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \ - || defined(CONFIG_PPC_83xx) || defined(CONFIG_8260) + || defined(CONFIG_PPC_83xx) || defined(CONFIG_8260) \ + || defined(CONFIG_PPC_MPC52xx) #define CPU_FTR_COMMON CPU_FTR_NEED_COHERENT #else #define CPU_FTR_COMMON 0 diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index a1c4cfd25de..7db2e42d97a 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -511,7 +511,7 @@ InstructionTLBMiss: and r1,r1,r2 /* writable if _RW and _DIRTY */ rlwimi r3,r3,32-1,30,30 /* _PAGE_USER -> PP msb */ rlwimi r3,r3,32-1,31,31 /* _PAGE_USER -> PP lsb */ - ori r1,r1,0xe14 /* clear out reserved bits and M */ + ori r1,r1,0xe04 /* clear out reserved bits */ andc r1,r3,r1 /* PP = user? (rw&dirty? 2: 3): 0 */ mtspr SPRN_RPA,r1 mfspr r3,SPRN_IMISS @@ -585,7 +585,7 @@ DataLoadTLBMiss: and r1,r1,r2 /* writable if _RW and _DIRTY */ rlwimi r3,r3,32-1,30,30 /* _PAGE_USER -> PP msb */ rlwimi r3,r3,32-1,31,31 /* _PAGE_USER -> PP lsb */ - ori r1,r1,0xe14 /* clear out reserved bits and M */ + ori r1,r1,0xe04 /* clear out reserved bits */ andc r1,r3,r1 /* PP = user? (rw&dirty? 2: 3): 0 */ mtspr SPRN_RPA,r1 mfspr r3,SPRN_DMISS @@ -653,7 +653,7 @@ DataStoreTLBMiss: stw r3,0(r2) /* update PTE (accessed/dirty bits) */ /* Convert linux-style PTE to low word of PPC-style PTE */ rlwimi r3,r3,32-1,30,30 /* _PAGE_USER -> PP msb */ - li r1,0xe15 /* clear out reserved bits and M */ + li r1,0xe05 /* clear out reserved bits & PP lsb */ andc r1,r3,r1 /* PP = user? 2: 0 */ mtspr SPRN_RPA,r1 mfspr r3,SPRN_DMISS diff --git a/arch/powerpc/platforms/ps3/Kconfig b/arch/powerpc/platforms/ps3/Kconfig index 920cf7a454b..740ef56a155 100644 --- a/arch/powerpc/platforms/ps3/Kconfig +++ b/arch/powerpc/platforms/ps3/Kconfig @@ -128,6 +128,13 @@ config PS3_FLASH be disabled on the kernel command line using "ps3flash=off", to not allocate this fixed buffer. +config PS3_VRAM + tristate "PS3 Video RAM Storage Driver" + depends on FB_PS3=y && BLOCK && m + help + This driver allows you to use excess PS3 video RAM as volatile + storage or system swap. + config PS3_LPM tristate "PS3 Logical Performance Monitor support" depends on PPC_PS3 diff --git a/drivers/block/Makefile b/drivers/block/Makefile index 204332b2957..87e120e0a79 100644 --- a/drivers/block/Makefile +++ b/drivers/block/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_MAC_FLOPPY) += swim3.o obj-$(CONFIG_BLK_DEV_FD) += floppy.o obj-$(CONFIG_AMIGA_FLOPPY) += amiflop.o obj-$(CONFIG_PS3_DISK) += ps3disk.o +obj-$(CONFIG_PS3_VRAM) += ps3vram.o obj-$(CONFIG_ATARI_FLOPPY) += ataflop.o obj-$(CONFIG_AMIGA_Z2RAM) += z2ram.o obj-$(CONFIG_BLK_DEV_RAM) += brd.o diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c new file mode 100644 index 00000000000..393ed6760d7 --- /dev/null +++ b/drivers/block/ps3vram.c @@ -0,0 +1,865 @@ +/* + * ps3vram - Use extra PS3 video ram as MTD block device. + * + * Copyright 2009 Sony Corporation + * + * Based on the MTD ps3vram driver, which is + * Copyright (c) 2007-2008 Jim Paris <jim@jtan.com> + * Added support RSX DMA Vivien Chappelier <vivien.chappelier@free.fr> + */ + +#include <linux/blkdev.h> +#include <linux/delay.h> +#include <linux/proc_fs.h> +#include <linux/seq_file.h> + +#include <asm/firmware.h> +#include <asm/lv1call.h> +#include <asm/ps3.h> + + +#define DEVICE_NAME "ps3vram" + + +#define XDR_BUF_SIZE (2 * 1024 * 1024) /* XDR buffer (must be 1MiB aligned) */ +#define XDR_IOIF 0x0c000000 + +#define FIFO_BASE XDR_IOIF +#define FIFO_SIZE (64 * 1024) + +#define DMA_PAGE_SIZE (4 * 1024) + +#define CACHE_PAGE_SIZE (256 * 1024) +#define CACHE_PAGE_COUNT ((XDR_BUF_SIZE - FIFO_SIZE) / CACHE_PAGE_SIZE) + +#define CACHE_OFFSET CACHE_PAGE_SIZE +#define FIFO_OFFSET 0 + +#define CTRL_PUT 0x10 +#define CTRL_GET 0x11 +#define CTRL_TOP 0x15 + +#define UPLOAD_SUBCH 1 +#define DOWNLOAD_SUBCH 2 + +#define NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN 0x0000030c +#define NV_MEMORY_TO_MEMORY_FORMAT_NOTIFY 0x00000104 + +#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT 0x601 + +#define CACHE_PAGE_PRESENT 1 +#define CACHE_PAGE_DIRTY 2 + +struct ps3vram_tag { + unsigned int address; + unsigned int flags; +}; + +struct ps3vram_cache { + unsigned int page_count; + unsigned int page_size; + struct ps3vram_tag *tags; + unsigned int hit; + unsigned int miss; +}; + +struct ps3vram_priv { + struct request_queue *queue; + struct gendisk *gendisk; + + u64 size; + + u64 memory_handle; + u64 context_handle; + u32 *ctrl; + u32 *reports; + u8 __iomem *ddr_base; + u8 *xdr_buf; + + u32 *fifo_base; + u32 *fifo_ptr; + + struct ps3vram_cache cache; + + /* Used to serialize cache/DMA operations */ + struct mutex lock; +}; + + +static int ps3vram_major; + + +static struct block_device_operations ps3vram_fops = { + .owner = THIS_MODULE, +}; + + +#define DMA_NOTIFIER_HANDLE_BASE 0x66604200 /* first DMA notifier handle */ +#define DMA_NOTIFIER_OFFSET_BASE 0x1000 /* first DMA notifier offset */ +#define DMA_NOTIFIER_SIZE 0x40 +#define NOTIFIER 7 /* notifier used for completion report */ + +static char *size = "256M"; +module_param(size, charp, 0); +MODULE_PARM_DESC(size, "memory size"); + +static u32 *ps3vram_get_notifier(u32 *reports, int notifier) +{ + return (void *)reports + DMA_NOTIFIER_OFFSET_BASE + + DMA_NOTIFIER_SIZE * notifier; +} + +static void ps3vram_notifier_reset(struct ps3_system_bus_device *dev) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + u32 *notify = ps3vram_get_notifier(priv->reports, NOTIFIER); + int i; + + for (i = 0; i < 4; i++) + notify[i] = 0xffffffff; +} + +static int ps3vram_notifier_wait(struct ps3_system_bus_device *dev, + unsigned int timeout_ms) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + u32 *notify = ps3vram_get_notifier(priv->reports, NOTIFIER); + unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms); + + do { + if (!notify[3]) + return 0; + msleep(1); + } while (time_before(jiffies, timeout)); + + return -ETIMEDOUT; +} + +static void ps3vram_init_ring(struct ps3_system_bus_device *dev) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + + priv->ctrl[CTRL_PUT] = FIFO_BASE + FIFO_OFFSET; + priv->ctrl[CTRL_GET] = FIFO_BASE + FIFO_OFFSET; +} + +static int ps3vram_wait_ring(struct ps3_system_bus_device *dev, + unsigned int timeout_ms) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms); + + do { + if (priv->ctrl[CTRL_PUT] == priv->ctrl[CTRL_GET]) + return 0; + msleep(1); + } while (time_before(jiffies, timeout)); + + dev_warn(&dev->core, "FIFO timeout (%08x/%08x/%08x)\n", + priv->ctrl[CTRL_PUT], priv->ctrl[CTRL_GET], + priv->ctrl[CTRL_TOP]); + + return -ETIMEDOUT; +} + +static void ps3vram_out_ring(struct ps3vram_priv *priv, u32 data) +{ + *(priv->fifo_ptr)++ = data; +} + +static void ps3vram_begin_ring(struct ps3vram_priv *priv, u32 chan, u32 tag, + u32 size) +{ + ps3vram_out_ring(priv, (size << 18) | (chan << 13) | tag); +} + +static void ps3vram_rewind_ring(struct ps3_system_bus_device *dev) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + int status; + + ps3vram_out_ring(priv, 0x20000000 | (FIFO_BASE + FIFO_OFFSET)); + + priv->ctrl[CTRL_PUT] = FIFO_BASE + FIFO_OFFSET; + + /* asking the HV for a blit will kick the FIFO */ + status = lv1_gpu_context_attribute(priv->context_handle, + L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT, 0, + 0, 0, 0); + if (status) + dev_err(&dev->core, + "%s: lv1_gpu_context_attribute failed %d\n", __func__, + status); + + priv->fifo_ptr = priv->fifo_base; +} + +static void ps3vram_fire_ring(struct ps3_system_bus_device *dev) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + int status; + + mutex_lock(&ps3_gpu_mutex); + + priv->ctrl[CTRL_PUT] = FIFO_BASE + FIFO_OFFSET + + (priv->fifo_ptr - priv->fifo_base) * sizeof(u32); + + /* asking the HV for a blit will kick the FIFO */ + status = lv1_gpu_context_attribute(priv->context_handle, + L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT, 0, + 0, 0, 0); + if (status) + dev_err(&dev->core, + "%s: lv1_gpu_context_attribute failed %d\n", __func__, + status); + + if ((priv->fifo_ptr - priv->fifo_base) * sizeof(u32) > + FIFO_SIZE - 1024) { + dev_dbg(&dev->core, "FIFO full, rewinding\n"); + ps3vram_wait_ring(dev, 200); + ps3vram_rewind_ring(dev); + } + + mutex_unlock(&ps3_gpu_mutex); +} + +static void ps3vram_bind(struct ps3_system_bus_device *dev) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + + ps3vram_begin_ring(priv, UPLOAD_SUBCH, 0, 1); + ps3vram_out_ring(priv, 0x31337303); + ps3vram_begin_ring(priv, UPLOAD_SUBCH, 0x180, 3); + ps3vram_out_ring(priv, DMA_NOTIFIER_HANDLE_BASE + NOTIFIER); + ps3vram_out_ring(priv, 0xfeed0001); /* DMA system RAM instance */ + ps3vram_out_ring(priv, 0xfeed0000); /* DMA video RAM instance */ + + ps3vram_begin_ring(priv, DOWNLOAD_SUBCH, 0, 1); + ps3vram_out_ring(priv, 0x3137c0de); + ps3vram_begin_ring(priv, DOWNLOAD_SUBCH, 0x180, 3); + ps3vram_out_ring(priv, DMA_NOTIFIER_HANDLE_BASE + NOTIFIER); + ps3vram_out_ring(priv, 0xfeed0000); /* DMA video RAM instance */ + ps3vram_out_ring(priv, 0xfeed0001); /* DMA system RAM instance */ + + ps3vram_fire_ring(dev); +} + +static int ps3vram_upload(struct ps3_system_bus_device *dev, + unsigned int src_offset, unsigned int dst_offset, + int len, int count) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + + ps3vram_begin_ring(priv, UPLOAD_SUBCH, + NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8); + ps3vram_out_ring(priv, XDR_IOIF + src_offset); + ps3vram_out_ring(priv, dst_offset); + ps3vram_out_ring(priv, len); + ps3vram_out_ring(priv, len); + ps3vram_out_ring(priv, len); + ps3vram_out_ring(priv, count); + ps3vram_out_ring(priv, (1 << 8) | 1); + ps3vram_out_ring(priv, 0); + + ps3vram_notifier_reset(dev); + ps3vram_begin_ring(priv, UPLOAD_SUBCH, + NV_MEMORY_TO_MEMORY_FORMAT_NOTIFY, 1); + ps3vram_out_ring(priv, 0); + ps3vram_begin_ring(priv, UPLOAD_SUBCH, 0x100, 1); + ps3vram_out_ring(priv, 0); + ps3vram_fire_ring(dev); + if (ps3vram_notifier_wait(dev, 200) < 0) { + dev_warn(&dev->core, "%s: Notifier timeout\n", __func__); + return -1; + } + + return 0; +} + +static int ps3vram_download(struct ps3_system_bus_device *dev, + unsigned int src_offset, unsigned int dst_offset, + int len, int count) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + + ps3vram_begin_ring(priv, DOWNLOAD_SUBCH, + NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8); + ps3vram_out_ring(priv, src_offset); + ps3vram_out_ring(priv, XDR_IOIF + dst_offset); + ps3vram_out_ring(priv, len); + ps3vram_out_ring(priv, len); + ps3vram_out_ring(priv, len); + ps3vram_out_ring(priv, count); + ps3vram_out_ring(priv, (1 << 8) | 1); + ps3vram_out_ring(priv, 0); + + ps3vram_notifier_reset(dev); + ps3vram_begin_ring(priv, DOWNLOAD_SUBCH, + NV_MEMORY_TO_MEMORY_FORMAT_NOTIFY, 1); + ps3vram_out_ring(priv, 0); + ps3vram_begin_ring(priv, DOWNLOAD_SUBCH, 0x100, 1); + ps3vram_out_ring(priv, 0); + ps3vram_fire_ring(dev); + if (ps3vram_notifier_wait(dev, 200) < 0) { + dev_warn(&dev->core, "%s: Notifier timeout\n", __func__); + return -1; + } + + return 0; +} + +static void ps3vram_cache_evict(struct ps3_system_bus_device *dev, int entry) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_cache *cache = &priv->cache; + + if (!(cache->tags[entry].flags & CACHE_PAGE_DIRTY)) + return; + + dev_dbg(&dev->core, "Flushing %d: 0x%08x\n", entry, + cache->tags[entry].address); + if (ps3vram_upload(dev, CACHE_OFFSET + entry * cache->page_size, + cache->tags[entry].address, DMA_PAGE_SIZE, + cache->page_size / DMA_PAGE_SIZE) < 0) { + dev_err(&dev->core, + "Failed to upload from 0x%x to " "0x%x size 0x%x\n", + entry * cache->page_size, cache->tags[entry].address, + cache->page_size); + } + cache->tags[entry].flags &= ~CACHE_PAGE_DIRTY; +} + +static void ps3vram_cache_load(struct ps3_system_bus_device *dev, int entry, + unsigned int address) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_cache *cache = &priv->cache; + + dev_dbg(&dev->core, "Fetching %d: 0x%08x\n", entry, address); + if (ps3vram_download(dev, address, + CACHE_OFFSET + entry * cache->page_size, + DMA_PAGE_SIZE, + cache->page_size / DMA_PAGE_SIZE) < 0) { + dev_err(&dev->core, + "Failed to download from 0x%x to 0x%x size 0x%x\n", + address, entry * cache->page_size, cache->page_size); + } + + cache->tags[entry].address = address; + cache->tags[entry].flags |= CACHE_PAGE_PRESENT; +} + + +static void ps3vram_cache_flush(struct ps3_system_bus_device *dev) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_cache *cache = &priv->cache; + int i; + + dev_dbg(&dev->core, "FLUSH\n"); + for (i = 0; i < cache->page_count; i++) { + ps3vram_cache_evict(dev, i); + cache->tags[i].flags = 0; + } +} + +static unsigned int ps3vram_cache_match(struct ps3_system_bus_device *dev, + loff_t address) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + struct ps3vram_cache *cache = &priv->cache; + unsigned int base; + unsigned int offset; + int i; + static int counter; + + offset = (unsigned int) (address & (cache->page_size - 1)); + base = (unsigned int) (address - offset); + + /* fully associative check */ + for (i = 0; i < cache->page_count; i++) { + if ((cache->tags[i].flags & CACHE_PAGE_PRESENT) && + cache->tags[i].address == base) { + cache->hit++; + dev_dbg(&dev->core, "Found entry %d: 0x%08x\n", i, + cache->tags[i].address); + return i; + } + } + + /* choose a random entry */ + i = (jiffies + (counter++)) % cache->page_count; + dev_dbg(&dev->core, "Using entry %d\n", i); + + ps3vram_cache_evict(dev, i); + ps3vram_cache_load(dev, i, base); + + cache->miss++; + return i; +} + +static int ps3vram_cache_init(struct ps3_system_bus_device *dev) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + + priv->cache.page_count = CACHE_PAGE_COUNT; + priv->cache.page_size = CACHE_PAGE_SIZE; + priv->cache.tags = kzalloc(sizeof(struct ps3vram_tag) * + CACHE_PAGE_COUNT, GFP_KERNEL); + if (priv->cache.tags == NULL) { + dev_err(&dev->core, "Could not allocate cache tags\n"); + return -ENOMEM; + } + + dev_info(&dev->core, "Created ram cache: %d entries, %d KiB each\n", + CACHE_PAGE_COUNT, CACHE_PAGE_SIZE / 1024); + + return 0; +} + +static void ps3vram_cache_cleanup(struct ps3_system_bus_device *dev) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + + ps3vram_cache_flush(dev); + kfree(priv->cache.tags); +} + +static int ps3vram_read(struct ps3_system_bus_device *dev, loff_t from, + size_t len, size_t *retlen, u_char *buf) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + unsigned int cached, count; + + dev_dbg(&dev->core, "%s: from=0x%08x len=0x%zx\n", __func__, + (unsigned int)from, len); + + if (from >= priv->size) + return -EIO; + + if (len > priv->size - from) + len = priv->size - from; + + /* Copy from vram to buf */ + count = len; + while (count) { + unsigned int offset, avail; + unsigned int entry; + + offset = (unsigned int) (from & (priv->cache.page_size - 1)); + avail = priv->cache.page_size - offset; + + mutex_lock(&priv->lock); + + entry = ps3vram_cache_match(dev, from); + cached = CACHE_OFFSET + entry * priv->cache.page_size + offset; + + dev_dbg(&dev->core, "%s: from=%08x cached=%08x offset=%08x " + "avail=%08x count=%08x\n", __func__, + (unsigned int)from, cached, offset, avail, count); + + if (avail > count) + avail = count; + memcpy(buf, priv->xdr_buf + cached, avail); + + mutex_unlock(&priv->lock); + + buf += avail; + count -= avail; + from += avail; + } + + *retlen = len; + return 0; +} + +static int ps3vram_write(struct ps3_system_bus_device *dev, loff_t to, + size_t len, size_t *retlen, const u_char *buf) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + unsigned int cached, count; + + if (to >= priv->size) + return -EIO; + + if (len > priv->size - to) + len = priv->size - to; + + /* Copy from buf to vram */ + count = len; + while (count) { + unsigned int offset, avail; + unsigned int entry; + + offset = (unsigned int) (to & (priv->cache.page_size - 1)); + avail = priv->cache.page_size - offset; + + mutex_lock(&priv->lock); + + entry = ps3vram_cache_match(dev, to); + cached = CACHE_OFFSET + entry * priv->cache.page_size + offset; + + dev_dbg(&dev->core, "%s: to=%08x cached=%08x offset=%08x " + "avail=%08x count=%08x\n", __func__, (unsigned int)to, + cached, offset, avail, count); + + if (avail > count) + avail = count; + memcpy(priv->xdr_buf + cached, buf, avail); + + priv->cache.tags[entry].flags |= CACHE_PAGE_DIRTY; + + mutex_unlock(&priv->lock); + + buf += avail; + count -= avail; + to += avail; + } + + *retlen = len; + return 0; +} + +static int ps3vram_proc_show(struct seq_file *m, void *v) +{ + struct ps3vram_priv *priv = m->private; + + seq_printf(m, "hit:%u\nmiss:%u\n", priv->cache.hit, priv->cache.miss); + return 0; +} + +static int ps3vram_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, ps3vram_proc_show, PDE(inode)->data); +} + +static const struct file_operations ps3vram_proc_fops = { + .owner = THIS_MODULE, + .open = ps3vram_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static void __devinit ps3vram_proc_init(struct ps3_system_bus_device *dev) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + struct proc_dir_entry *pde; + + pde = proc_create(DEVICE_NAME, 0444, NULL, &ps3vram_proc_fops); + if (!pde) { + dev_warn(&dev->core, "failed to create /proc entry\n"); + return; + } + + pde->owner = THIS_MODULE; + pde->data = priv; +} + +static int ps3vram_make_request(struct request_queue *q, struct bio *bio) +{ + struct ps3_system_bus_device *dev = q->queuedata; + int write = bio_data_dir(bio) == WRITE; + const char *op = write ? "write" : "read"; + loff_t offset = bio->bi_sector << 9; + int error = 0; + struct bio_vec *bvec; + unsigned int i; + + dev_dbg(&dev->core, "%s\n", __func__); + + bio_for_each_segment(bvec, bio, i) { + /* PS3 is ppc64, so we don't handle highmem */ + char *ptr = page_address(bvec->bv_page) + bvec->bv_offset; + size_t len = bvec->bv_len, retlen; + + dev_dbg(&dev->core, " %s %zu bytes at offset %llu\n", op, + len, offset); + if (write) + error = ps3vram_write(dev, offset, len, &retlen, ptr); + else + error = ps3vram_read(dev, offset, len, &retlen, ptr); + + if (error) { + dev_err(&dev->core, "%s failed\n", op); + goto out; + } + + if (retlen != len) { + dev_err(&dev->core, "Short %s\n", op); + goto out; + } + + offset += len; + } + + dev_dbg(&dev->core, "%s completed\n", op); + +out: + bio_endio(bio, error); + return 0; +} + +static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev) +{ + struct ps3vram_priv *priv; + int error, status; + struct request_queue *queue; + struct gendisk *gendisk; + u64 ddr_lpar, ctrl_lpar, info_lpar, reports_lpar, ddr_size, + reports_size; + char *rest; + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) { + error = -ENOMEM; + goto fail; + } + + mutex_init(&priv->lock); + dev->core.driver_data = priv; + + priv = dev->core.driver_data; + + /* Allocate XDR buffer (1MiB aligned) */ + priv->xdr_buf = (void *)__get_free_pages(GFP_KERNEL, + get_order(XDR_BUF_SIZE)); + if (priv->xdr_buf == NULL) { + dev_err(&dev->core, "Could not allocate XDR buffer\n"); + error = -ENOMEM; + goto fail_free_priv; + } + + /* Put FIFO at begginning of XDR buffer */ + priv->fifo_base = (u32 *) (priv->xdr_buf + FIFO_OFFSET); + priv->fifo_ptr = priv->fifo_base; + + /* XXX: Need to open GPU, in case ps3fb or snd_ps3 aren't loaded */ + if (ps3_open_hv_device(dev)) { + dev_err(&dev->core, "ps3_open_hv_device failed\n"); + error = -EAGAIN; + goto out_close_gpu; + } + + /* Request memory */ + status = -1; + ddr_size = ALIGN(memparse(size, &rest), 1024*1024); + if (!ddr_size) { + dev_err(&dev->core, "Specified size is too small\n"); + error = -EINVAL; + goto out_close_gpu; + } + + while (ddr_size > 0) { + status = lv1_gpu_memory_allocate(ddr_size, 0, 0, 0, 0, + &priv->memory_handle, + &ddr_lpar); + if (!status) + break; + ddr_size -= 1024*1024; + } + if (status) { + dev_err(&dev->core, "lv1_gpu_memory_allocate failed %d\n", + status); + error = -ENOMEM; + goto out_free_xdr_buf; + } + + /* Request context */ + status = lv1_gpu_context_allocate(priv->memory_handle, 0, + &priv->context_handle, &ctrl_lpar, + &info_lpar, &reports_lpar, + &reports_size); + if (status) { + dev_err(&dev->core, "lv1_gpu_context_allocate failed %d\n", + status); + error = -ENOMEM; + goto out_free_memory; + } + + /* Map XDR buffer to RSX */ + status = lv1_gpu_context_iomap(priv->context_handle, XDR_IOIF, + ps3_mm_phys_to_lpar(__pa(priv->xdr_buf)), + XDR_BUF_SIZE, 0); + if (status) { + dev_err(&dev->core, "lv1_gpu_context_iomap failed %d\n", + status); + error = -ENOMEM; + goto out_free_context; + } + + priv->ddr_base = ioremap_flags(ddr_lpar, ddr_size, _PAGE_NO_CACHE); + + if (!priv->ddr_base) { + dev_err(&dev->core, "ioremap DDR failed\n"); + error = -ENOMEM; + goto out_free_context; + } + + priv->ctrl = ioremap(ctrl_lpar, 64 * 1024); + if (!priv->ctrl) { + dev_err(&dev->core, "ioremap CTRL failed\n"); + error = -ENOMEM; + goto out_unmap_vram; + } + + priv->reports = ioremap(reports_lpar, reports_size); + if (!priv->reports) { + dev_err(&dev->core, "ioremap REPORTS failed\n"); + error = -ENOMEM; + goto out_unmap_ctrl; + } + + mutex_lock(&ps3_gpu_mutex); + ps3vram_init_ring(dev); + mutex_unlock(&ps3_gpu_mutex); + + priv->size = ddr_size; + + ps3vram_bind(dev); + + mutex_lock(&ps3_gpu_mutex); + error = ps3vram_wait_ring(dev, 100); + mutex_unlock(&ps3_gpu_mutex); + if (error < 0) { + dev_err(&dev->core, "Failed to initialize channels\n"); + error = -ETIMEDOUT; + goto out_unmap_reports; + } + + ps3vram_cache_init(dev); + ps3vram_proc_init(dev); + + queue = blk_alloc_queue(GFP_KERNEL); + if (!queue) { + dev_err(&dev->core, "blk_alloc_queue failed\n"); + error = -ENOMEM; + goto out_cache_cleanup; + } + + priv->queue = queue; + queue->queuedata = dev; + blk_queue_make_request(queue, ps3vram_make_request); + blk_queue_max_phys_segments(queue, MAX_PHYS_SEGMENTS); + blk_queue_max_hw_segments(queue, MAX_HW_SEGMENTS); + blk_queue_max_segment_size(queue, MAX_SEGMENT_SIZE); + blk_queue_max_sectors(queue, SAFE_MAX_SECTORS); + + gendisk = alloc_disk(1); + if (!gendisk) { + dev_err(&dev->core, "alloc_disk failed\n"); + error = -ENOMEM; + goto fail_cleanup_queue; + } + + priv->gendisk = gendisk; + gendisk->major = ps3vram_major; + gendisk->first_minor = 0; + gendisk->fops = &ps3vram_fops; + gendisk->queue = queue; + gendisk->private_data = dev; + gendisk->driverfs_dev = &dev->core; + strlcpy(gendisk->disk_name, DEVICE_NAME, sizeof(gendisk->disk_name)); + set_capacity(gendisk, priv->size >> 9); + + dev_info(&dev->core, "%s: Using %lu MiB of GPU memory\n", + gendisk->disk_name, get_capacity(gendisk) >> 11); + + add_disk(gendisk); + return 0; + +fail_cleanup_queue: + blk_cleanup_queue(queue); +out_cache_cleanup: + remove_proc_entry(DEVICE_NAME, NULL); + ps3vram_cache_cleanup(dev); +out_unmap_reports: + iounmap(priv->reports); +out_unmap_ctrl: + iounmap(priv->ctrl); +out_unmap_vram: + iounmap(priv->ddr_base); +out_free_context: + lv1_gpu_context_free(priv->context_handle); +out_free_memory: + lv1_gpu_memory_free(priv->memory_handle); +out_close_gpu: + ps3_close_hv_device(dev); +out_free_xdr_buf: + free_pages((unsigned long) priv->xdr_buf, get_order(XDR_BUF_SIZE)); +fail_free_priv: + kfree(priv); + dev->core.driver_data = NULL; +fail: + return error; +} + +static int ps3vram_remove(struct ps3_system_bus_device *dev) +{ + struct ps3vram_priv *priv = dev->core.driver_data; + + del_gendisk(priv->gendisk); + put_disk(priv->gendisk); + blk_cleanup_queue(priv->queue); + remove_proc_entry(DEVICE_NAME, NULL); + ps3vram_cache_cleanup(dev); + iounmap(priv->reports); + iounmap(priv->ctrl); + iounmap(priv->ddr_base); + lv1_gpu_context_free(priv->context_handle); + lv1_gpu_memory_free(priv->memory_handle); + ps3_close_hv_device(dev); + free_pages((unsigned long) priv->xdr_buf, get_order(XDR_BUF_SIZE)); + kfree(priv); + dev->core.driver_data = NULL; + return 0; +} + +static struct ps3_system_bus_driver ps3vram = { + .match_id = PS3_MATCH_ID_GPU, + .match_sub_id = PS3_MATCH_SUB_ID_GPU_RAMDISK, + .core.name = DEVICE_NAME, + .core.owner = THIS_MODULE, + .probe = ps3vram_probe, + .remove = ps3vram_remove, + .shutdown = ps3vram_remove, +}; + + +static int __init ps3vram_init(void) +{ + int error; + + if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) + return -ENODEV; + + error = register_blkdev(0, DEVICE_NAME); + if (error <= 0) { + pr_err("%s: register_blkdev failed %d\n", DEVICE_NAME, error); + return error; + } + ps3vram_major = error; + + pr_info("%s: registered block device major %d\n", DEVICE_NAME, + ps3vram_major); + + error = ps3_system_bus_driver_register(&ps3vram); + if (error) + unregister_blkdev(ps3vram_major, DEVICE_NAME); + + return error; +} + +static void __exit ps3vram_exit(void) +{ + ps3_system_bus_driver_unregister(&ps3vram); + unregister_blkdev(ps3vram_major, DEVICE_NAME); +} + +module_init(ps3vram_init); +module_exit(ps3vram_exit); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("PS3 Video RAM Storage Driver"); +MODULE_AUTHOR("Sony Corporation"); +MODULE_ALIAS(PS3_MODULE_ALIAS_GPU_RAMDISK); diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig index bc33200535f..6fde0a2e356 100644 --- a/drivers/mtd/devices/Kconfig +++ b/drivers/mtd/devices/Kconfig @@ -120,13 +120,6 @@ config MTD_PHRAM doesn't have access to, memory beyond the mem=xxx limit, nvram, memory on the video card, etc... -config MTD_PS3VRAM - tristate "PS3 video RAM" - depends on FB_PS3 - help - This driver allows you to use excess PS3 video RAM as volatile - storage or system swap. - config MTD_LART tristate "28F160xx flash driver for LART" depends on SA1100_LART diff --git a/drivers/mtd/devices/Makefile b/drivers/mtd/devices/Makefile index e51521df4e4..0993d5cf392 100644 --- a/drivers/mtd/devices/Makefile +++ b/drivers/mtd/devices/Makefile @@ -16,4 +16,3 @@ obj-$(CONFIG_MTD_LART) += lart.o obj-$(CONFIG_MTD_BLOCK2MTD) += block2mtd.o obj-$(CONFIG_MTD_DATAFLASH) += mtd_dataflash.o obj-$(CONFIG_MTD_M25P80) += m25p80.o -obj-$(CONFIG_MTD_PS3VRAM) += ps3vram.o diff --git a/drivers/mtd/devices/ps3vram.c b/drivers/mtd/devices/ps3vram.c deleted file mode 100644 index d21e9beb7ed..00000000000 --- a/drivers/mtd/devices/ps3vram.c +++ /dev/null @@ -1,768 +0,0 @@ -/** - * ps3vram - Use extra PS3 video ram as MTD block device. - * - * Copyright (c) 2007-2008 Jim Paris <jim@jtan.com> - * Added support RSX DMA Vivien Chappelier <vivien.chappelier@free.fr> - */ - -#include <linux/io.h> -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/slab.h> -#include <linux/version.h> -#include <linux/gfp.h> -#include <linux/delay.h> -#include <linux/mtd/mtd.h> - -#include <asm/lv1call.h> -#include <asm/ps3.h> - -#define DEVICE_NAME "ps3vram" - -#define XDR_BUF_SIZE (2 * 1024 * 1024) /* XDR buffer (must be 1MiB aligned) */ -#define XDR_IOIF 0x0c000000 - -#define FIFO_BASE XDR_IOIF -#define FIFO_SIZE (64 * 1024) - -#define DMA_PAGE_SIZE (4 * 1024) - -#define CACHE_PAGE_SIZE (256 * 1024) -#define CACHE_PAGE_COUNT ((XDR_BUF_SIZE - FIFO_SIZE) / CACHE_PAGE_SIZE) - -#define CACHE_OFFSET CACHE_PAGE_SIZE -#define FIFO_OFFSET 0 - -#define CTRL_PUT 0x10 -#define CTRL_GET 0x11 -#define CTRL_TOP 0x15 - -#define UPLOAD_SUBCH 1 -#define DOWNLOAD_SUBCH 2 - -#define NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN 0x0000030c -#define NV_MEMORY_TO_MEMORY_FORMAT_NOTIFY 0x00000104 - -#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT 0x601 - -struct mtd_info ps3vram_mtd; - -#define CACHE_PAGE_PRESENT 1 -#define CACHE_PAGE_DIRTY 2 - -struct ps3vram_tag { - unsigned int address; - unsigned int flags; -}; - -struct ps3vram_cache { - unsigned int page_count; - unsigned int page_size; - struct ps3vram_tag *tags; -}; - -struct ps3vram_priv { - u64 memory_handle; - u64 context_handle; - u32 *ctrl; - u32 *reports; - u8 __iomem *ddr_base; - u8 *xdr_buf; - - u32 *fifo_base; - u32 *fifo_ptr; - - struct device *dev; - struct ps3vram_cache cache; - - /* Used to serialize cache/DMA operations */ - struct mutex lock; -}; - -#define DMA_NOTIFIER_HANDLE_BASE 0x66604200 /* first DMA notifier handle */ -#define DMA_NOTIFIER_OFFSET_BASE 0x1000 /* first DMA notifier offset */ -#define DMA_NOTIFIER_SIZE 0x40 -#define NOTIFIER 7 /* notifier used for completion report */ - -/* A trailing '-' means to subtract off ps3fb_videomemory.size */ -char *size = "256M-"; -module_param(size, charp, 0); -MODULE_PARM_DESC(size, "memory size"); - -static u32 *ps3vram_get_notifier(u32 *reports, int notifier) -{ - return (void *) reports + - DMA_NOTIFIER_OFFSET_BASE + - DMA_NOTIFIER_SIZE * notifier; -} - -static void ps3vram_notifier_reset(struct mtd_info *mtd) -{ - int i; - - struct ps3vram_priv *priv = mtd->priv; - u32 *notify = ps3vram_get_notifier(priv->reports, NOTIFIER); - for (i = 0; i < 4; i++) - notify[i] = 0xffffffff; -} - -static int ps3vram_notifier_wait(struct mtd_info *mtd, unsigned int timeout_ms) -{ - struct ps3vram_priv *priv = mtd->priv; - u32 *notify = ps3vram_get_notifier(priv->reports, NOTIFIER); - unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms); - - do { - if (!notify[3]) - return 0; - msleep(1); - } while (time_before(jiffies, timeout)); - - return -ETIMEDOUT; -} - -static void ps3vram_init_ring(struct mtd_info *mtd) -{ - struct ps3vram_priv *priv = mtd->priv; - - priv->ctrl[CTRL_PUT] = FIFO_BASE + FIFO_OFFSET; - priv->ctrl[CTRL_GET] = FIFO_BASE + FIFO_OFFSET; -} - -static int ps3vram_wait_ring(struct mtd_info *mtd, unsigned int timeout_ms) -{ - struct ps3vram_priv *priv = mtd->priv; - unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms); - - do { - if (priv->ctrl[CTRL_PUT] == priv->ctrl[CTRL_GET]) - return 0; - msleep(1); - } while (time_before(jiffies, timeout)); - - dev_dbg(priv->dev, "%s:%d: FIFO timeout (%08x/%08x/%08x)\n", __func__, - __LINE__, priv->ctrl[CTRL_PUT], priv->ctrl[CTRL_GET], - priv->ctrl[CTRL_TOP]); - - return -ETIMEDOUT; -} - -static void ps3vram_out_ring(struct ps3vram_priv *priv, u32 data) -{ - *(priv->fifo_ptr)++ = data; -} - -static void ps3vram_begin_ring(struct ps3vram_priv *priv, u32 chan, - u32 tag, u32 size) -{ - ps3vram_out_ring(priv, (size << 18) | (chan << 13) | tag); -} - -static void ps3vram_rewind_ring(struct mtd_info *mtd) -{ - struct ps3vram_priv *priv = mtd->priv; - u64 status; - - ps3vram_out_ring(priv, 0x20000000 | (FIFO_BASE + FIFO_OFFSET)); - - priv->ctrl[CTRL_PUT] = FIFO_BASE + FIFO_OFFSET; - - /* asking the HV for a blit will kick the fifo */ - status = lv1_gpu_context_attribute(priv->context_handle, - L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT, - 0, 0, 0, 0); - if (status) - dev_err(priv->dev, "%s:%d: lv1_gpu_context_attribute failed\n", - __func__, __LINE__); - - priv->fifo_ptr = priv->fifo_base; -} - -static void ps3vram_fire_ring(struct mtd_info *mtd) -{ - struct ps3vram_priv *priv = mtd->priv; - u64 status; - - mutex_lock(&ps3_gpu_mutex); - - priv->ctrl[CTRL_PUT] = FIFO_BASE + FIFO_OFFSET + - (priv->fifo_ptr - priv->fifo_base) * sizeof(u32); - - /* asking the HV for a blit will kick the fifo */ - status = lv1_gpu_context_attribute(priv->context_handle, - L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT, - 0, 0, 0, 0); - if (status) - dev_err(priv->dev, "%s:%d: lv1_gpu_context_attribute failed\n", - __func__, __LINE__); - - if ((priv->fifo_ptr - priv->fifo_base) * sizeof(u32) > - FIFO_SIZE - 1024) { - dev_dbg(priv->dev, "%s:%d: fifo full, rewinding\n", __func__, - __LINE__); - ps3vram_wait_ring(mtd, 200); - ps3vram_rewind_ring(mtd); - } - - mutex_unlock(&ps3_gpu_mutex); -} - -static void ps3vram_bind(struct mtd_info *mtd) -{ - struct ps3vram_priv *priv = mtd->priv; - - ps3vram_begin_ring(priv, UPLOAD_SUBCH, 0, 1); - ps3vram_out_ring(priv, 0x31337303); - ps3vram_begin_ring(priv, UPLOAD_SUBCH, 0x180, 3); - ps3vram_out_ring(priv, DMA_NOTIFIER_HANDLE_BASE + NOTIFIER); - ps3vram_out_ring(priv, 0xfeed0001); /* DMA system RAM instance */ - ps3vram_out_ring(priv, 0xfeed0000); /* DMA video RAM instance */ - - ps3vram_begin_ring(priv, DOWNLOAD_SUBCH, 0, 1); - ps3vram_out_ring(priv, 0x3137c0de); - ps3vram_begin_ring(priv, DOWNLOAD_SUBCH, 0x180, 3); - ps3vram_out_ring(priv, DMA_NOTIFIER_HANDLE_BASE + NOTIFIER); - ps3vram_out_ring(priv, 0xfeed0000); /* DMA video RAM instance */ - ps3vram_out_ring(priv, 0xfeed0001); /* DMA system RAM instance */ - - ps3vram_fire_ring(mtd); -} - -static int ps3vram_upload(struct mtd_info *mtd, unsigned int src_offset, - unsigned int dst_offset, int len, int count) -{ - struct ps3vram_priv *priv = mtd->priv; - - ps3vram_begin_ring(priv, UPLOAD_SUBCH, - NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8); - ps3vram_out_ring(priv, XDR_IOIF + src_offset); - ps3vram_out_ring(priv, dst_offset); - ps3vram_out_ring(priv, len); - ps3vram_out_ring(priv, len); - ps3vram_out_ring(priv, len); - ps3vram_out_ring(priv, count); - ps3vram_out_ring(priv, (1 << 8) | 1); - ps3vram_out_ring(priv, 0); - - ps3vram_notifier_reset(mtd); - ps3vram_begin_ring(priv, UPLOAD_SUBCH, - NV_MEMORY_TO_MEMORY_FORMAT_NOTIFY, 1); - ps3vram_out_ring(priv, 0); - ps3vram_begin_ring(priv, UPLOAD_SUBCH, 0x100, 1); - ps3vram_out_ring(priv, 0); - ps3vram_fire_ring(mtd); - if (ps3vram_notifier_wait(mtd, 200) < 0) { - dev_dbg(priv->dev, "%s:%d: notifier timeout\n", __func__, - __LINE__); - return -1; - } - - return 0; -} - -static int ps3vram_download(struct mtd_info *mtd, unsigned int src_offset, - unsigned int dst_offset, int len, int count) -{ - struct ps3vram_priv *priv = mtd->priv; - - ps3vram_begin_ring(priv, DOWNLOAD_SUBCH, - NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8); - ps3vram_out_ring(priv, src_offset); - ps3vram_out_ring(priv, XDR_IOIF + dst_offset); - ps3vram_out_ring(priv, len); - ps3vram_out_ring(priv, len); - ps3vram_out_ring(priv, len); - ps3vram_out_ring(priv, count); - ps3vram_out_ring(priv, (1 << 8) | 1); - ps3vram_out_ring(priv, 0); - - ps3vram_notifier_reset(mtd); - ps3vram_begin_ring(priv, DOWNLOAD_SUBCH, - NV_MEMORY_TO_MEMORY_FORMAT_NOTIFY, 1); - ps3vram_out_ring(priv, 0); - ps3vram_begin_ring(priv, DOWNLOAD_SUBCH, 0x100, 1); - ps3vram_out_ring(priv, 0); - ps3vram_fire_ring(mtd); - if (ps3vram_notifier_wait(mtd, 200) < 0) { - dev_dbg(priv->dev, "%s:%d: notifier timeout\n", __func__, - __LINE__); - return -1; - } - - return 0; -} - -static void ps3vram_cache_evict(struct mtd_info *mtd, int entry) -{ - struct ps3vram_priv *priv = mtd->priv; - struct ps3vram_cache *cache = &priv->cache; - - if (cache->tags[entry].flags & CACHE_PAGE_DIRTY) { - dev_dbg(priv->dev, "%s:%d: flushing %d : 0x%08x\n", __func__, - __LINE__, entry, cache->tags[entry].address); - if (ps3vram_upload(mtd, - CACHE_OFFSET + entry * cache->page_size, - cache->tags[entry].address, - DMA_PAGE_SIZE, - cache->page_size / DMA_PAGE_SIZE) < 0) { - dev_dbg(priv->dev, "%s:%d: failed to upload from " - "0x%x to 0x%x size 0x%x\n", __func__, __LINE__, - entry * cache->page_size, - cache->tags[entry].address, cache->page_size); - } - cache->tags[entry].flags &= ~CACHE_PAGE_DIRTY; - } -} - -static void ps3vram_cache_load(struct mtd_info *mtd, int entry, - unsigned int address) -{ - struct ps3vram_priv *priv = mtd->priv; - struct ps3vram_cache *cache = &priv->cache; - - dev_dbg(priv->dev, "%s:%d: fetching %d : 0x%08x\n", __func__, __LINE__, - entry, address); - if (ps3vram_download(mtd, - address, - CACHE_OFFSET + entry * cache->page_size, - DMA_PAGE_SIZE, - cache->page_size / DMA_PAGE_SIZE) < 0) { - dev_err(priv->dev, "%s:%d: failed to download from " - "0x%x to 0x%x size 0x%x\n", __func__, __LINE__, address, - entry * cache->page_size, cache->page_size); - } - - cache->tags[entry].address = address; - cache->tags[entry].flags |= CACHE_PAGE_PRESENT; -} - - -static void ps3vram_cache_flush(struct mtd_info *mtd) -{ - struct ps3vram_priv *priv = mtd->priv; - struct ps3vram_cache *cache = &priv->cache; - int i; - - dev_dbg(priv->dev, "%s:%d: FLUSH\n", __func__, __LINE__); - for (i = 0; i < cache->page_count; i++) { - ps3vram_cache_evict(mtd, i); - cache->tags[i].flags = 0; - } -} - -static unsigned int ps3vram_cache_match(struct mtd_info *mtd, loff_t address) -{ - struct ps3vram_priv *priv = mtd->priv; - struct ps3vram_cache *cache = &priv->cache; - unsigned int base; - unsigned int offset; - int i; - static int counter; - - offset = (unsigned int) (address & (cache->page_size - 1)); - base = (unsigned int) (address - offset); - - /* fully associative check */ - for (i = 0; i < cache->page_count; i++) { - if ((cache->tags[i].flags & CACHE_PAGE_PRESENT) && - cache->tags[i].address == base) { - dev_dbg(priv->dev, "%s:%d: found entry %d : 0x%08x\n", - __func__, __LINE__, i, cache->tags[i].address); - return i; - } - } - - /* choose a random entry */ - i = (jiffies + (counter++)) % cache->page_count; - dev_dbg(priv->dev, "%s:%d: using entry %d\n", __func__, __LINE__, i); - - ps3vram_cache_evict(mtd, i); - ps3vram_cache_load(mtd, i, base); - - return i; -} - -static int ps3vram_cache_init(struct mtd_info *mtd) -{ - struct ps3vram_priv *priv = mtd->priv; - - priv->cache.page_count = CACHE_PAGE_COUNT; - priv->cache.page_size = CACHE_PAGE_SIZE; - priv->cache.tags = kzalloc(sizeof(struct ps3vram_tag) * - CACHE_PAGE_COUNT, GFP_KERNEL); - if (priv->cache.tags == NULL) { - dev_err(priv->dev, "%s:%d: could not allocate cache tags\n", - __func__, __LINE__); - return -ENOMEM; - } - - dev_info(priv->dev, "created ram cache: %d entries, %d KiB each\n", - CACHE_PAGE_COUNT, CACHE_PAGE_SIZE / 1024); - - return 0; -} - -static void ps3vram_cache_cleanup(struct mtd_info *mtd) -{ - struct ps3vram_priv *priv = mtd->priv; - - ps3vram_cache_flush(mtd); - kfree(priv->cache.tags); -} - -static int ps3vram_erase(struct mtd_info *mtd, struct erase_info *instr) -{ - struct ps3vram_priv *priv = mtd->priv; - - if (instr->addr + instr->len > mtd->size) - return -EINVAL; - - mutex_lock(&priv->lock); - - ps3vram_cache_flush(mtd); - - /* Set bytes to 0xFF */ - memset_io(priv->ddr_base + instr->addr, 0xFF, instr->len); - - mutex_unlock(&priv->lock); - - instr->state = MTD_ERASE_DONE; - mtd_erase_callback(instr); - - return 0; -} - -static int ps3vram_read(struct mtd_info *mtd, loff_t from, size_t len, - size_t *retlen, u_char *buf) -{ - struct ps3vram_priv *priv = mtd->priv; - unsigned int cached, count; - - dev_dbg(priv->dev, "%s:%d: from=0x%08x len=0x%zx\n", __func__, __LINE__, - (unsigned int)from, len); - - if (from >= mtd->size) - return -EINVAL; - - if (len > mtd->size - from) - len = mtd->size - from; - - /* Copy from vram to buf */ - count = len; - while (count) { - unsigned int offset, avail; - unsigned int entry; - - offset = (unsigned int) (from & (priv->cache.page_size - 1)); - avail = priv->cache.page_size - offset; - - mutex_lock(&priv->lock); - - entry = ps3vram_cache_match(mtd, from); - cached = CACHE_OFFSET + entry * priv->cache.page_size + offset; - - dev_dbg(priv->dev, "%s:%d: from=%08x cached=%08x offset=%08x " - "avail=%08x count=%08x\n", __func__, __LINE__, - (unsigned int)from, cached, offset, avail, count); - - if (avail > count) - avail = count; - memcpy(buf, priv->xdr_buf + cached, avail); - - mutex_unlock(&priv->lock); - - buf += avail; - count -= avail; - from += avail; - } - - *retlen = len; - return 0; -} - -static int ps3vram_write(struct mtd_info *mtd, loff_t to, size_t len, - size_t *retlen, const u_char *buf) -{ - struct ps3vram_priv *priv = mtd->priv; - unsigned int cached, count; - - if (to >= mtd->size) - return -EINVAL; - - if (len > mtd->size - to) - len = mtd->size - to; - - /* Copy from buf to vram */ - count = len; - while (count) { - unsigned int offset, avail; - unsigned int entry; - - offset = (unsigned int) (to & (priv->cache.page_size - 1)); - avail = priv->cache.page_size - offset; - - mutex_lock(&priv->lock); - - entry = ps3vram_cache_match(mtd, to); - cached = CACHE_OFFSET + entry * priv->cache.page_size + offset; - - dev_dbg(priv->dev, "%s:%d: to=%08x cached=%08x offset=%08x " - "avail=%08x count=%08x\n", __func__, __LINE__, - (unsigned int)to, cached, offset, avail, count); - - if (avail > count) - avail = count; - memcpy(priv->xdr_buf + cached, buf, avail); - - priv->cache.tags[entry].flags |= CACHE_PAGE_DIRTY; - - mutex_unlock(&priv->lock); - - buf += avail; - count -= avail; - to += avail; - } - - *retlen = len; - return 0; -} - -static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev) -{ - struct ps3vram_priv *priv; - int status; - u64 ddr_lpar; - u64 ctrl_lpar; - u64 info_lpar; - u64 reports_lpar; - u64 ddr_size; - u64 reports_size; - int ret = -ENOMEM; - char *rest; - - ret = -EIO; - ps3vram_mtd.priv = kzalloc(sizeof(struct ps3vram_priv), GFP_KERNEL); - if (!ps3vram_mtd.priv) - goto out; - priv = ps3vram_mtd.priv; - - mutex_init(&priv->lock); - priv->dev = &dev->core; - - /* Allocate XDR buffer (1MiB aligned) */ - priv->xdr_buf = (void *)__get_free_pages(GFP_KERNEL, - get_order(XDR_BUF_SIZE)); - if (priv->xdr_buf == NULL) { - dev_dbg(&dev->core, "%s:%d: could not allocate XDR buffer\n", - __func__, __LINE__); - ret = -ENOMEM; - goto out_free_priv; - } - - /* Put FIFO at begginning of XDR buffer */ - priv->fifo_base = (u32 *) (priv->xdr_buf + FIFO_OFFSET); - priv->fifo_ptr = priv->fifo_base; - - /* XXX: Need to open GPU, in case ps3fb or snd_ps3 aren't loaded */ - if (ps3_open_hv_device(dev)) { - dev_err(&dev->core, "%s:%d: ps3_open_hv_device failed\n", - __func__, __LINE__); - ret = -EAGAIN; - goto out_close_gpu; - } - - /* Request memory */ - status = -1; - ddr_size = memparse(size, &rest); - if (*rest == '-') - ddr_size -= ps3fb_videomemory.size; - ddr_size = ALIGN(ddr_size, 1024*1024); - if (ddr_size <= 0) { - dev_err(&dev->core, "%s:%d: specified size is too small\n", - __func__, __LINE__); - ret = -EINVAL; - goto out_close_gpu; - } - - while (ddr_size > 0) { - status = lv1_gpu_memory_allocate(ddr_size, 0, 0, 0, 0, - &priv->memory_handle, - &ddr_lpar); - if (!status) - break; - ddr_size -= 1024*1024; - } - if (status || ddr_size <= 0) { - dev_err(&dev->core, "%s:%d: lv1_gpu_memory_allocate failed\n", - __func__, __LINE__); - ret = -ENOMEM; - goto out_free_xdr_buf; - } - - /* Request context */ - status = lv1_gpu_context_allocate(priv->memory_handle, - 0, - &priv->context_handle, - &ctrl_lpar, - &info_lpar, - &reports_lpar, - &reports_size); - if (status) { - dev_err(&dev->core, "%s:%d: lv1_gpu_context_allocate failed\n", - __func__, __LINE__); - ret = -ENOMEM; - goto out_free_memory; - } - - /* Map XDR buffer to RSX */ - status = lv1_gpu_context_iomap(priv->context_handle, XDR_IOIF, - ps3_mm_phys_to_lpar(__pa(priv->xdr_buf)), - XDR_BUF_SIZE, 0); - if (status) { - dev_err(&dev->core, "%s:%d: lv1_gpu_context_iomap failed\n", - __func__, __LINE__); - ret = -ENOMEM; - goto out_free_context; - } - - priv->ddr_base = ioremap_flags(ddr_lpar, ddr_size, _PAGE_NO_CACHE); - - if (!priv->ddr_base) { - dev_err(&dev->core, "%s:%d: ioremap failed\n", __func__, - __LINE__); - ret = -ENOMEM; - goto out_free_context; - } - - priv->ctrl = ioremap(ctrl_lpar, 64 * 1024); - if (!priv->ctrl) { - dev_err(&dev->core, "%s:%d: ioremap failed\n", __func__, - __LINE__); - ret = -ENOMEM; - goto out_unmap_vram; - } - - priv->reports = ioremap(reports_lpar, reports_size); - if (!priv->reports) { - dev_err(&dev->core, "%s:%d: ioremap failed\n", __func__, - __LINE__); - ret = -ENOMEM; - goto out_unmap_ctrl; - } - - mutex_lock(&ps3_gpu_mutex); - ps3vram_init_ring(&ps3vram_mtd); - mutex_unlock(&ps3_gpu_mutex); - - ps3vram_mtd.name = "ps3vram"; - ps3vram_mtd.size = ddr_size; - ps3vram_mtd.flags = MTD_CAP_RAM; - ps3vram_mtd.erase = ps3vram_erase; - ps3vram_mtd.point = NULL; - ps3vram_mtd.unpoint = NULL; - ps3vram_mtd.read = ps3vram_read; - ps3vram_mtd.write = ps3vram_write; - ps3vram_mtd.owner = THIS_MODULE; - ps3vram_mtd.type = MTD_RAM; - ps3vram_mtd.erasesize = CACHE_PAGE_SIZE; - ps3vram_mtd.writesize = 1; - - ps3vram_bind(&ps3vram_mtd); - - mutex_lock(&ps3_gpu_mutex); - ret = ps3vram_wait_ring(&ps3vram_mtd, 100); - mutex_unlock(&ps3_gpu_mutex); - if (ret < 0) { - dev_err(&dev->core, "%s:%d: failed to initialize channels\n", - __func__, __LINE__); - ret = -ETIMEDOUT; - goto out_unmap_reports; - } - - ps3vram_cache_init(&ps3vram_mtd); - - if (add_mtd_device(&ps3vram_mtd)) { - dev_err(&dev->core, "%s:%d: add_mtd_device failed\n", - __func__, __LINE__); - ret = -EAGAIN; - goto out_cache_cleanup; - } - - dev_info(&dev->core, "reserved %u MiB of gpu memory\n", - (unsigned int)(ddr_size / 1024 / 1024)); - - return 0; - -out_cache_cleanup: - ps3vram_cache_cleanup(&ps3vram_mtd); -out_unmap_reports: - iounmap(priv->reports); -out_unmap_ctrl: - iounmap(priv->ctrl); -out_unmap_vram: - iounmap(priv->ddr_base); -out_free_context: - lv1_gpu_context_free(priv->context_handle); -out_free_memory: - lv1_gpu_memory_free(priv->memory_handle); -out_close_gpu: - ps3_close_hv_device(dev); -out_free_xdr_buf: - free_pages((unsigned long) priv->xdr_buf, get_order(XDR_BUF_SIZE)); -out_free_priv: - kfree(ps3vram_mtd.priv); - ps3vram_mtd.priv = NULL; -out: - return ret; -} - -static int ps3vram_shutdown(struct ps3_system_bus_device *dev) -{ - struct ps3vram_priv *priv; - - priv = ps3vram_mtd.priv; - - del_mtd_device(&ps3vram_mtd); - ps3vram_cache_cleanup(&ps3vram_mtd); - iounmap(priv->reports); - iounmap(priv->ctrl); - iounmap(priv->ddr_base); - lv1_gpu_context_free(priv->context_handle); - lv1_gpu_memory_free(priv->memory_handle); - ps3_close_hv_device(dev); - free_pages((unsigned long) priv->xdr_buf, get_order(XDR_BUF_SIZE)); - kfree(priv); - return 0; -} - -static struct ps3_system_bus_driver ps3vram_driver = { - .match_id = PS3_MATCH_ID_GPU, - .match_sub_id = PS3_MATCH_SUB_ID_GPU_RAMDISK, - .core.name = DEVICE_NAME, - .core.owner = THIS_MODULE, - .probe = ps3vram_probe, - .remove = ps3vram_shutdown, - .shutdown = ps3vram_shutdown, -}; - -static int __init ps3vram_init(void) -{ - return ps3_system_bus_driver_register(&ps3vram_driver); -} - -static void __exit ps3vram_exit(void) -{ - ps3_system_bus_driver_unregister(&ps3vram_driver); -} - -module_init(ps3vram_init); -module_exit(ps3vram_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Jim Paris <jim@jtan.com>"); -MODULE_DESCRIPTION("MTD driver for PS3 video RAM"); -MODULE_ALIAS(PS3_MODULE_ALIAS_GPU_RAMDISK); |