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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-18 09:05:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-18 09:05:40 -0700
commitd941d0ed6bf274ca267dd4de5861ffd24e1ae8f8 (patch)
tree3176a15279e2521d2391c7b2cec6f7b923faa64b
parent8144737def6abc49457124424887436531bd6a50 (diff)
parent9aac397525dc7945b1582a80cef5860516bca452 (diff)
downloadop-kernel-dev-d941d0ed6bf274ca267dd4de5861ffd24e1ae8f8.zip
op-kernel-dev-d941d0ed6bf274ca267dd4de5861ffd24e1ae8f8.tar.gz
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/ps3: ps3_defconfig updates powerpc/mm: Respect _PAGE_COHERENT on classic ppc32 SW powerpc/5200: Enable CPU_FTR_NEED_COHERENT for MPC52xx ps3/block: Replace mtd/ps3vram by block/ps3vram
-rw-r--r--arch/powerpc/configs/ps3_defconfig250
-rw-r--r--arch/powerpc/include/asm/cputable.h4
-rw-r--r--arch/powerpc/kernel/head_32.S6
-rw-r--r--arch/powerpc/platforms/ps3/Kconfig7
-rw-r--r--drivers/block/Makefile1
-rw-r--r--drivers/block/ps3vram.c865
-rw-r--r--drivers/mtd/devices/Kconfig7
-rw-r--r--drivers/mtd/devices/Makefile1
-rw-r--r--drivers/mtd/devices/ps3vram.c768
9 files changed, 1069 insertions, 840 deletions
diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig
index b6eee7c..ac14f52 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 4911104..21172ba 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 a1c4cfd..7db2e42 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 920cf7a..740ef56 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 204332b..87e120e 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 0000000..393ed67
--- /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 bc33200..6fde0a2 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 e51521d..0993d5c 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 d21e9be..0000000
--- 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);
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