This is compile tested only, please run test and report back. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> SVN-Revision: 41531master
Hauke Mehrtens
11 years ago
parent
3597b7d456
commit
3f78cadedd
@ -0,0 +1,169 @@ |
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CONFIG_ALIGNMENT_TRAP=y |
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CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y |
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CONFIG_ARCH_GEMINI=y |
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CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y |
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CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y |
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# CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set |
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CONFIG_ARCH_NR_GPIO=0 |
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CONFIG_ARCH_REQUIRE_GPIOLIB=y |
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# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set |
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# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set |
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CONFIG_ARCH_USES_GETTIMEOFFSET=y |
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CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y |
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CONFIG_ARM=y |
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# CONFIG_ARM_CPU_SUSPEND is not set |
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CONFIG_ARM_L1_CACHE_SHIFT=5 |
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CONFIG_ARM_NR_BANKS=8 |
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CONFIG_ARM_PATCH_PHYS_VIRT=y |
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# CONFIG_ARPD is not set |
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CONFIG_ATA=m |
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CONFIG_ATAGS=y |
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# CONFIG_CACHE_L2X0 is not set |
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CONFIG_CC_OPTIMIZE_FOR_SIZE=y |
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CONFIG_CLONE_BACKWARDS=y |
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CONFIG_CMDLINE="root=/dev/mtdblock2 rootfstype=squashfs,jffs2 noinitrd console=ttyS0,19200 mem=32M" |
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CONFIG_CMDLINE_FROM_BOOTLOADER=y |
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CONFIG_CPU_32v4=y |
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CONFIG_CPU_ABRT_EV4=y |
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# CONFIG_CPU_BPREDICT_DISABLE is not set |
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CONFIG_CPU_CACHE_FA=y |
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CONFIG_CPU_CACHE_VIVT=y |
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CONFIG_CPU_COPY_FA=y |
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CONFIG_CPU_CP15=y |
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CONFIG_CPU_CP15_MMU=y |
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# CONFIG_CPU_DCACHE_WRITETHROUGH is not set |
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CONFIG_CPU_FA526=y |
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# CONFIG_CPU_ICACHE_DISABLE is not set |
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CONFIG_CPU_PABRT_LEGACY=y |
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CONFIG_CPU_TLB_FA=y |
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CONFIG_CPU_USE_DOMAINS=y |
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CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S" |
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# CONFIG_DEBUG_USER is not set |
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CONFIG_DLCI=m |
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CONFIG_DLCI_MAX=8 |
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CONFIG_DMADEVICES=y |
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CONFIG_DNOTIFY=y |
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# CONFIG_DSCC4 is not set |
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# CONFIG_FARSYNC is not set |
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CONFIG_FRAME_POINTER=y |
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CONFIG_GEMINI_MEM_SWAP=y |
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CONFIG_GEMINI_NET_ENGINE_GMAC=y |
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CONFIG_GEMINI_WATCHDOG=y |
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CONFIG_GENERIC_ATOMIC64=y |
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CONFIG_GENERIC_BUG=y |
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CONFIG_GENERIC_IDLE_POLL_SETUP=y |
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CONFIG_GENERIC_IO=y |
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CONFIG_GENERIC_IRQ_SHOW=y |
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CONFIG_GENERIC_PCI_IOMAP=y |
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CONFIG_GENERIC_SMP_IDLE_THREAD=y |
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CONFIG_GENERIC_STRNCPY_FROM_USER=y |
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CONFIG_GENERIC_STRNLEN_USER=y |
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CONFIG_GPIOLIB=y |
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CONFIG_GPIO_DEVRES=y |
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CONFIG_GPIO_SYSFS=y |
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# CONFIG_HAMRADIO is not set |
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CONFIG_HARDIRQS_SW_RESEND=y |
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CONFIG_HAS_DMA=y |
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CONFIG_HAS_IOMEM=y |
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CONFIG_HAS_IOPORT=y |
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# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set |
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CONFIG_HAVE_ARCH_JUMP_LABEL=y |
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CONFIG_HAVE_ARCH_KGDB=y |
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CONFIG_HAVE_ARCH_PFN_VALID=y |
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CONFIG_HAVE_ARCH_SECCOMP_FILTER=y |
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CONFIG_HAVE_ARCH_TRACEHOOK=y |
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# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set |
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CONFIG_HAVE_BPF_JIT=y |
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CONFIG_HAVE_CONTEXT_TRACKING=y |
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CONFIG_HAVE_C_RECORDMCOUNT=y |
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CONFIG_HAVE_DEBUG_KMEMLEAK=y |
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CONFIG_HAVE_DMA_API_DEBUG=y |
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CONFIG_HAVE_DMA_ATTRS=y |
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CONFIG_HAVE_DMA_CONTIGUOUS=y |
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CONFIG_HAVE_DYNAMIC_FTRACE=y |
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CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y |
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CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y |
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CONFIG_HAVE_FUNCTION_TRACER=y |
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CONFIG_HAVE_GENERIC_DMA_COHERENT=y |
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CONFIG_HAVE_GENERIC_HARDIRQS=y |
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CONFIG_HAVE_IDE=y |
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CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y |
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CONFIG_HAVE_KERNEL_GZIP=y |
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CONFIG_HAVE_KERNEL_LZMA=y |
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CONFIG_HAVE_KERNEL_LZO=y |
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CONFIG_HAVE_KERNEL_XZ=y |
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CONFIG_HAVE_LATENCYTOP_SUPPORT=y |
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CONFIG_HAVE_MEMBLOCK=y |
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CONFIG_HAVE_NET_DSA=y |
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CONFIG_HAVE_OPROFILE=y |
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CONFIG_HAVE_PERF_EVENTS=y |
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CONFIG_HAVE_PROC_CPU=y |
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CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y |
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CONFIG_HAVE_SYSCALL_TRACEPOINTS=y |
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CONFIG_HAVE_UID16=y |
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CONFIG_HDLC=m |
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CONFIG_HDLC_CISCO=m |
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CONFIG_HDLC_FR=m |
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CONFIG_HDLC_PPP=m |
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CONFIG_HDLC_RAW=m |
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CONFIG_HWMON=y |
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CONFIG_HW_RANDOM=y |
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CONFIG_I2C=y |
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CONFIG_I2C_BOARDINFO=y |
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CONFIG_I2C_CHARDEV=y |
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CONFIG_INITRAMFS_SOURCE="" |
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# CONFIG_IP_ADVANCED_ROUTER is not set |
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CONFIG_IP_PIMSM_V1=y |
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CONFIG_IP_PIMSM_V2=y |
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CONFIG_IRQ_WORK=y |
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CONFIG_KTIME_SCALAR=y |
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CONFIG_LEGACY_PTYS=y |
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CONFIG_LEGACY_PTY_COUNT=256 |
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# CONFIG_MACH_NAS4220B is not set |
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# CONFIG_MACH_RUT100 is not set |
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CONFIG_MACH_WBD111=y |
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CONFIG_MACH_WBD222=y |
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CONFIG_MDIO_BITBANG=y |
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CONFIG_MDIO_BOARDINFO=y |
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CONFIG_MDIO_GPIO=y |
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CONFIG_MIGHT_HAVE_PCI=y |
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CONFIG_MODULES_USE_ELF_REL=y |
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CONFIG_MTD_PHYSMAP=y |
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CONFIG_NEED_DMA_MAP_STATE=y |
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CONFIG_NEED_KUSER_HELPERS=y |
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CONFIG_NEED_MACH_GPIO_H=y |
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CONFIG_NEED_PER_CPU_KM=y |
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CONFIG_NLS=m |
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CONFIG_OLD_SIGACTION=y |
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CONFIG_OLD_SIGSUSPEND3=y |
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CONFIG_PAGEFLAGS_EXTENDED=y |
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CONFIG_PAGE_OFFSET=0xC0000000 |
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CONFIG_PCI=y |
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CONFIG_PERF_USE_VMALLOC=y |
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CONFIG_PHYLIB=y |
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# CONFIG_PREEMPT_RCU is not set |
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# CONFIG_RCU_STALL_COMMON is not set |
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# CONFIG_SCHED_HRTICK is not set |
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CONFIG_SCSI=m |
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CONFIG_SCSI_MOD=m |
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# CONFIG_SCSI_MULTI_LUN is not set |
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CONFIG_SPLIT_PTLOCK_CPUS=999999 |
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CONFIG_SYS_SUPPORTS_APM_EMULATION=y |
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CONFIG_TICK_CPU_ACCOUNTING=y |
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CONFIG_UID16=y |
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CONFIG_UIDGID_CONVERTED=y |
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CONFIG_UNCOMPRESS_INCLUDE="mach/uncompress.h" |
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CONFIG_USB=m |
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CONFIG_USB_ARCH_HAS_XHCI=y |
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CONFIG_USB_COMMON=m |
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# CONFIG_USB_EHCI_HCD is not set |
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CONFIG_USB_SUPPORT=y |
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# CONFIG_USB_UHCI_HCD is not set |
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CONFIG_VECTORS_BASE=0xffff0000 |
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CONFIG_VM_EVENT_COUNTERS=y |
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CONFIG_WAN=y |
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CONFIG_XZ_DEC_ARM=y |
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CONFIG_XZ_DEC_BCJ=y |
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CONFIG_ZBOOT_ROM_BSS=0x0 |
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CONFIG_ZBOOT_ROM_TEXT=0x0 |
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CONFIG_ZONE_DMA_FLAG=0 |
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@ -0,0 +1,23 @@ |
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--- a/arch/arm/mach-gemini/common.h
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+++ b/arch/arm/mach-gemini/common.h
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@@ -18,9 +18,9 @@ extern void gemini_map_io(void);
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extern void gemini_init_irq(void);
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extern void gemini_timer_init(void);
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extern void gemini_gpio_init(void);
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-extern void platform_register_rtc(void);
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/* Common platform devices registration functions */
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+extern int platform_register_rtc(void);
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extern int platform_register_uart(void);
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extern int platform_register_pflash(unsigned int size,
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struct mtd_partition *parts,
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--- a/arch/arm/mach-gemini/devices.c
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+++ b/arch/arm/mach-gemini/devices.c
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@@ -17,6 +17,7 @@
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#include <mach/irqs.h>
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#include <mach/hardware.h>
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#include <mach/global_reg.h>
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+#include "common.h"
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static struct plat_serial8250_port serial_platform_data[] = {
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{
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@ -0,0 +1,410 @@ |
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--- /dev/null
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+++ b/drivers/watchdog/gemini_wdt.c
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@@ -0,0 +1,378 @@
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+/*
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+ * Watchdog driver for Cortina Systems Gemini SoC
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+ *
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+ * Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 as
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+ * published by the Free Software Foundation.
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/init.h>
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+#include <linux/module.h>
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+#include <linux/io.h>
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+#include <linux/fs.h>
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+#include <linux/uaccess.h>
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+#include <linux/miscdevice.h>
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+#include <linux/platform_device.h>
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+#include <linux/watchdog.h>
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+#include <linux/slab.h>
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+
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+#define GEMINI_WDCOUNTER 0x0
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+#define GEMINI_WDLOAD 0x4
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+#define GEMINI_WDRESTART 0x8
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+
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+#define WDRESTART_MAGIC 0x5AB9
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+
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+#define GEMINI_WDCR 0xC
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+
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+#define WDCR_CLOCK_5MHZ (1 << 4)
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+#define WDCR_SYS_RST (1 << 1)
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+#define WDCR_ENABLE (1 << 0)
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+
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+#define WDT_CLOCK 5000000 /* 5 MHz */
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+#define WDT_DEFAULT_TIMEOUT 13
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+#define WDT_MAX_TIMEOUT (0xFFFFFFFF / WDT_CLOCK)
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+
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+/* status bits */
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+#define WDT_ACTIVE 0
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+#define WDT_OK_TO_CLOSE 1
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+
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+static unsigned int timeout = WDT_DEFAULT_TIMEOUT;
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+static int nowayout = WATCHDOG_NOWAYOUT;
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+
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+static DEFINE_SPINLOCK(gemini_wdt_lock);
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+
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+static struct platform_device *gemini_wdt_dev;
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+
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+struct gemini_wdt_struct {
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+ struct resource *res;
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+ struct device *dev;
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+ void __iomem *base;
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+ unsigned long status;
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+};
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+
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+static struct watchdog_info gemini_wdt_info = {
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+ .identity = "Gemini watchdog",
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+ .options = WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING |
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+ WDIOF_SETTIMEOUT,
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+};
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+
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+/* Disable the watchdog. */
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+static void gemini_wdt_stop(struct gemini_wdt_struct *gemini_wdt)
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+{
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+ spin_lock(&gemini_wdt_lock);
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+
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+ __raw_writel(0, gemini_wdt->base + GEMINI_WDCR);
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+
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+ clear_bit(WDT_ACTIVE, &gemini_wdt->status);
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+
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+ spin_unlock(&gemini_wdt_lock);
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+}
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+
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+/* Service the watchdog */
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+static void gemini_wdt_service(struct gemini_wdt_struct *gemini_wdt)
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+{
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+ __raw_writel(WDRESTART_MAGIC, gemini_wdt->base + GEMINI_WDRESTART);
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+}
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+
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+/* Enable and reset the watchdog. */
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+static void gemini_wdt_start(struct gemini_wdt_struct *gemini_wdt)
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+{
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+ spin_lock(&gemini_wdt_lock);
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+
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+ __raw_writel(timeout * WDT_CLOCK, gemini_wdt->base + GEMINI_WDLOAD);
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+
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+ gemini_wdt_service(gemini_wdt);
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+
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+ /* set clock before enabling */
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+ __raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST,
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+ gemini_wdt->base + GEMINI_WDCR);
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+
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+ __raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST | WDCR_ENABLE,
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+ gemini_wdt->base + GEMINI_WDCR);
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+
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+ set_bit(WDT_ACTIVE, &gemini_wdt->status);
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+
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+ spin_unlock(&gemini_wdt_lock);
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+}
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+
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+/* Watchdog device is opened, and watchdog starts running. */
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+static int gemini_wdt_open(struct inode *inode, struct file *file)
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+{
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+ struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(gemini_wdt_dev);
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+
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+ if (test_bit(WDT_ACTIVE, &gemini_wdt->status))
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+ return -EBUSY;
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+
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+ file->private_data = gemini_wdt;
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+
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+ gemini_wdt_start(gemini_wdt);
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+
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+ return nonseekable_open(inode, file);
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+}
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+
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+/* Close the watchdog device. */
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+static int gemini_wdt_close(struct inode *inode, struct file *file)
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+{
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+ struct gemini_wdt_struct *gemini_wdt = file->private_data;
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+
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+ /* Disable the watchdog if possible */
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+ if (test_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status))
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+ gemini_wdt_stop(gemini_wdt);
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+ else
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+ dev_warn(gemini_wdt->dev, "Device closed unexpectedly - timer will not stop\n");
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+
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+ return 0;
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+}
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+
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+/* Handle commands from user-space. */
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+static long gemini_wdt_ioctl(struct file *file, unsigned int cmd,
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+ unsigned long arg)
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+{
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+ struct gemini_wdt_struct *gemini_wdt = file->private_data;
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+
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+ int value;
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+
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+ switch (cmd) {
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+ case WDIOC_KEEPALIVE:
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+ gemini_wdt_service(gemini_wdt);
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+ return 0;
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+
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+ case WDIOC_GETSUPPORT:
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+ return copy_to_user((struct watchdog_info *)arg, &gemini_wdt_info,
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+ sizeof(gemini_wdt_info)) ? -EFAULT : 0;
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+
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+ case WDIOC_SETTIMEOUT:
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+ if (get_user(value, (int *)arg))
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+ return -EFAULT;
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+
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+ if ((value < 1) || (value > WDT_MAX_TIMEOUT))
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+ return -EINVAL;
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+
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+ timeout = value;
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+
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+ /* restart wdt to use new timeout */
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+ gemini_wdt_stop(gemini_wdt);
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+ gemini_wdt_start(gemini_wdt);
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+
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+ /* Fall through */
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+ case WDIOC_GETTIMEOUT:
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+ return put_user(timeout, (int *)arg);
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+
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+ case WDIOC_GETTIMELEFT:
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+ value = __raw_readl(gemini_wdt->base + GEMINI_WDCOUNTER);
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+ return put_user(value / WDT_CLOCK, (int *)arg);
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+
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+ default:
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+ return -ENOTTY;
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+ }
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+}
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+
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+/* Refresh the watchdog whenever device is written to. */
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+static ssize_t gemini_wdt_write(struct file *file, const char *data,
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+ size_t len, loff_t *ppos)
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+{
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+ struct gemini_wdt_struct *gemini_wdt = file->private_data;
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+
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+ if (len) {
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+ if (!nowayout) {
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+ size_t i;
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+
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+ clear_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status);
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+ for (i = 0; i != len; i++) {
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+ char c;
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+
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+ if (get_user(c, data + i))
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+ return -EFAULT;
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+ if (c == 'V')
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+ set_bit(WDT_OK_TO_CLOSE,
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+ &gemini_wdt->status);
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+ }
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+ }
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+ gemini_wdt_service(gemini_wdt);
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+ }
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+
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+ return len;
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+}
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+
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+static const struct file_operations gemini_wdt_fops = {
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+ .owner = THIS_MODULE,
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+ .llseek = no_llseek,
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+ .unlocked_ioctl = gemini_wdt_ioctl,
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+ .open = gemini_wdt_open,
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+ .release = gemini_wdt_close,
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+ .write = gemini_wdt_write,
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+};
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+
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+static struct miscdevice gemini_wdt_miscdev = {
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+ .minor = WATCHDOG_MINOR,
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+ .name = "watchdog",
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+ .fops = &gemini_wdt_fops,
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+};
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+
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+static void gemini_wdt_shutdown(struct platform_device *pdev)
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+{
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+ struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
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+
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+ gemini_wdt_stop(gemini_wdt);
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+}
|
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+
|
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+static int gemini_wdt_probe(struct platform_device *pdev)
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+{
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+ int ret;
|
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+ int res_size;
|
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+ struct resource *res;
|
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+ void __iomem *base;
|
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+ struct gemini_wdt_struct *gemini_wdt;
|
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+ unsigned int reg;
|
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+
|
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+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
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+ if (!res) {
|
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+ dev_err(&pdev->dev, "can't get device resources\n");
|
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+ return -ENODEV;
|
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+ }
|
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+
|
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+ res_size = resource_size(res);
|
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+ if (!request_mem_region(res->start, res_size, res->name)) {
|
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+ dev_err(&pdev->dev, "can't allocate %d bytes at %d address\n",
|
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+ res_size, res->start);
|
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+ return -ENOMEM;
|
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+ }
|
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+
|
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+ base = ioremap(res->start, res_size);
|
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+ if (!base) {
|
||||
+ dev_err(&pdev->dev, "ioremap failed\n");
|
||||
+ ret = -EIO;
|
||||
+ goto fail0;
|
||||
+ }
|
||||
+
|
||||
+ gemini_wdt = kzalloc(sizeof(struct gemini_wdt_struct), GFP_KERNEL);
|
||||
+ if (!gemini_wdt) {
|
||||
+ dev_err(&pdev->dev, "can't allocate interface\n");
|
||||
+ ret = -ENOMEM;
|
||||
+ goto fail1;
|
||||
+ }
|
||||
+
|
||||
+ /* Setup gemini_wdt driver structure */
|
||||
+ gemini_wdt->base = base;
|
||||
+ gemini_wdt->res = res;
|
||||
+
|
||||
+ /* Set up platform driver data */
|
||||
+ platform_set_drvdata(pdev, gemini_wdt);
|
||||
+ gemini_wdt_dev = pdev;
|
||||
+
|
||||
+ if (gemini_wdt_miscdev.parent) {
|
||||
+ ret = -EBUSY;
|
||||
+ goto fail2;
|
||||
+ }
|
||||
+
|
||||
+ gemini_wdt_miscdev.parent = &pdev->dev;
|
||||
+
|
||||
+ reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
|
||||
+ if (reg & WDCR_ENABLE) {
|
||||
+ /* Watchdog was enabled by the bootloader, disable it. */
|
||||
+ reg &= ~(WDCR_ENABLE);
|
||||
+ __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
|
||||
+ }
|
||||
+
|
||||
+ ret = misc_register(&gemini_wdt_miscdev);
|
||||
+ if (ret)
|
||||
+ goto fail2;
|
||||
+
|
||||
+ return 0;
|
||||
+
|
||||
+fail2:
|
||||
+ platform_set_drvdata(pdev, NULL);
|
||||
+ kfree(gemini_wdt);
|
||||
+fail1:
|
||||
+ iounmap(base);
|
||||
+fail0:
|
||||
+ release_mem_region(res->start, res_size);
|
||||
+
|
||||
+ return ret;
|
||||
+}
|
||||
+
|
||||
+static int gemini_wdt_remove(struct platform_device *pdev)
|
||||
+{
|
||||
+ struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
|
||||
+
|
||||
+ platform_set_drvdata(pdev, NULL);
|
||||
+ misc_deregister(&gemini_wdt_miscdev);
|
||||
+ gemini_wdt_dev = NULL;
|
||||
+ iounmap(gemini_wdt->base);
|
||||
+ release_mem_region(gemini_wdt->res->start, resource_size(gemini_wdt->res));
|
||||
+
|
||||
+ kfree(gemini_wdt);
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+#ifdef CONFIG_PM
|
||||
+static int gemini_wdt_suspend(struct platform_device *pdev, pm_message_t message)
|
||||
+{
|
||||
+ struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
|
||||
+ unsigned int reg;
|
||||
+
|
||||
+ reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
|
||||
+ reg &= ~(WDCR_WDENABLE);
|
||||
+ __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static int gemini_wdt_resume(struct platform_device *pdev)
|
||||
+{
|
||||
+ struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
|
||||
+ unsigned int reg;
|
||||
+
|
||||
+ if (gemini_wdt->status) {
|
||||
+ reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
|
||||
+ reg |= WDCR_WDENABLE;
|
||||
+ __raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
|
||||
+ }
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+#else
|
||||
+#define gemini_wdt_suspend NULL
|
||||
+#define gemini_wdt_resume NULL
|
||||
+#endif
|
||||
+
|
||||
+static struct platform_driver gemini_wdt_driver = {
|
||||
+ .probe = gemini_wdt_probe,
|
||||
+ .remove = gemini_wdt_remove,
|
||||
+ .shutdown = gemini_wdt_shutdown,
|
||||
+ .suspend = gemini_wdt_suspend,
|
||||
+ .resume = gemini_wdt_resume,
|
||||
+ .driver = {
|
||||
+ .name = "gemini-wdt",
|
||||
+ .owner = THIS_MODULE,
|
||||
+ },
|
||||
+};
|
||||
+
|
||||
+static int __init gemini_wdt_init(void)
|
||||
+{
|
||||
+ return platform_driver_probe(&gemini_wdt_driver, gemini_wdt_probe);
|
||||
+}
|
||||
+
|
||||
+static void __exit gemini_wdt_exit(void)
|
||||
+{
|
||||
+ platform_driver_unregister(&gemini_wdt_driver);
|
||||
+}
|
||||
+
|
||||
+module_init(gemini_wdt_init);
|
||||
+module_exit(gemini_wdt_exit);
|
||||
+
|
||||
+module_param(timeout, uint, 0);
|
||||
+MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds");
|
||||
+
|
||||
+module_param(nowayout, int, 0);
|
||||
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
|
||||
+
|
||||
+MODULE_AUTHOR("Paulius Zaleckas");
|
||||
+MODULE_DESCRIPTION("Watchdog driver for Gemini");
|
||||
+MODULE_LICENSE("GPL");
|
||||
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
|
||||
+MODULE_ALIAS("platform:gemini-wdt");
|
||||
--- a/drivers/watchdog/Kconfig
|
||||
+++ b/drivers/watchdog/Kconfig
|
||||
@@ -154,6 +154,16 @@ config 977_WATCHDOG
|
||||
|
||||
Not sure? It's safe to say N.
|
||||
|
||||
+config GEMINI_WATCHDOG
|
||||
+ tristate "Gemini watchdog"
|
||||
+ depends on ARCH_GEMINI
|
||||
+ help
|
||||
+ Say Y here if to include support for the watchdog timer
|
||||
+ embedded in the Cortina Systems Gemini family of devices.
|
||||
+
|
||||
+ To compile this driver as a module, choose M here: the
|
||||
+ module will be called gemini_wdt.
|
||||
+
|
||||
config IXP4XX_WATCHDOG
|
||||
tristate "IXP4xx Watchdog"
|
||||
depends on ARCH_IXP4XX
|
||||
--- a/drivers/watchdog/Makefile
|
||||
+++ b/drivers/watchdog/Makefile
|
||||
@@ -36,6 +36,7 @@ obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.
|
||||
obj-$(CONFIG_TWL4030_WATCHDOG) += twl4030_wdt.o
|
||||
obj-$(CONFIG_21285_WATCHDOG) += wdt285.o
|
||||
obj-$(CONFIG_977_WATCHDOG) += wdt977.o
|
||||
+obj-$(CONFIG_GEMINI_WATCHDOG) += gemini_wdt.o
|
||||
obj-$(CONFIG_IXP4XX_WATCHDOG) += ixp4xx_wdt.o
|
||||
obj-$(CONFIG_KS8695_WATCHDOG) += ks8695_wdt.o
|
||||
obj-$(CONFIG_S3C2410_WATCHDOG) += s3c2410_wdt.o
|
||||
@ -0,0 +1,33 @@ |
||||
--- a/arch/arm/mach-gemini/devices.c
|
||||
+++ b/arch/arm/mach-gemini/devices.c
|
||||
@@ -117,3 +117,20 @@ int __init platform_register_rtc(void)
|
||||
return platform_device_register(&gemini_rtc_device);
|
||||
}
|
||||
|
||||
+static struct resource wdt_resource = {
|
||||
+ .start = GEMINI_WAQTCHDOG_BASE,
|
||||
+ .end = GEMINI_WAQTCHDOG_BASE + 0x18,
|
||||
+ .flags = IORESOURCE_MEM,
|
||||
+};
|
||||
+
|
||||
+static struct platform_device wdt_device = {
|
||||
+ .name = "gemini-wdt",
|
||||
+ .id = 0,
|
||||
+ .resource = &wdt_resource,
|
||||
+ .num_resources = 1,
|
||||
+};
|
||||
+
|
||||
+int __init platform_register_watchdog(void)
|
||||
+{
|
||||
+ return platform_device_register(&wdt_device);
|
||||
+}
|
||||
--- a/arch/arm/mach-gemini/common.h
|
||||
+++ b/arch/arm/mach-gemini/common.h
|
||||
@@ -25,6 +25,7 @@ extern int platform_register_uart(void);
|
||||
extern int platform_register_pflash(unsigned int size,
|
||||
struct mtd_partition *parts,
|
||||
unsigned int nr_parts);
|
||||
+extern int platform_register_watchdog(void);
|
||||
|
||||
extern void gemini_restart(char mode, const char *cmd);
|
||||
|
||||
@ -0,0 +1,40 @@ |
||||
--- a/arch/arm/mach-gemini/board-nas4220b.c
|
||||
+++ b/arch/arm/mach-gemini/board-nas4220b.c
|
||||
@@ -95,6 +95,7 @@ static void __init ib4220b_init(void)
|
||||
platform_device_register(&ib4220b_led_device);
|
||||
platform_device_register(&ib4220b_key_device);
|
||||
platform_register_rtc();
|
||||
+ platform_register_watchdog();
|
||||
}
|
||||
|
||||
MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B")
|
||||
--- a/arch/arm/mach-gemini/board-wbd111.c
|
||||
+++ b/arch/arm/mach-gemini/board-wbd111.c
|
||||
@@ -122,6 +122,7 @@ static void __init wbd111_init(void)
|
||||
platform_device_register(&wbd111_leds_device);
|
||||
platform_device_register(&wbd111_keys_device);
|
||||
platform_register_rtc();
|
||||
+ platform_register_watchdog();
|
||||
}
|
||||
|
||||
MACHINE_START(WBD111, "Wiliboard WBD-111")
|
||||
--- a/arch/arm/mach-gemini/board-wbd222.c
|
||||
+++ b/arch/arm/mach-gemini/board-wbd222.c
|
||||
@@ -122,6 +122,7 @@ static void __init wbd222_init(void)
|
||||
platform_device_register(&wbd222_leds_device);
|
||||
platform_device_register(&wbd222_keys_device);
|
||||
platform_register_rtc();
|
||||
+ platform_register_watchdog();
|
||||
}
|
||||
|
||||
MACHINE_START(WBD222, "Wiliboard WBD-222")
|
||||
--- a/arch/arm/mach-gemini/board-rut1xx.c
|
||||
+++ b/arch/arm/mach-gemini/board-rut1xx.c
|
||||
@@ -80,6 +80,7 @@ static void __init rut1xx_init(void)
|
||||
platform_device_register(&rut1xx_leds);
|
||||
platform_device_register(&rut1xx_keys_device);
|
||||
platform_register_rtc();
|
||||
+ platform_register_watchdog();
|
||||
}
|
||||
|
||||
MACHINE_START(RUT100, "Teltonika RUT100")
|
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,82 @@ |
||||
--- a/arch/arm/mach-gemini/common.h
|
||||
+++ b/arch/arm/mach-gemini/common.h
|
||||
@@ -13,6 +13,7 @@
|
||||
#define __GEMINI_COMMON_H__
|
||||
|
||||
struct mtd_partition;
|
||||
+struct gemini_gmac_platform_data;
|
||||
|
||||
extern void gemini_map_io(void);
|
||||
extern void gemini_init_irq(void);
|
||||
@@ -26,6 +27,7 @@ extern int platform_register_pflash(unsi
|
||||
struct mtd_partition *parts,
|
||||
unsigned int nr_parts);
|
||||
extern int platform_register_watchdog(void);
|
||||
+extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata);
|
||||
|
||||
extern void gemini_restart(char mode, const char *cmd);
|
||||
|
||||
--- a/arch/arm/mach-gemini/devices.c
|
||||
+++ b/arch/arm/mach-gemini/devices.c
|
||||
@@ -17,6 +17,7 @@
|
||||
#include <mach/irqs.h>
|
||||
#include <mach/hardware.h>
|
||||
#include <mach/global_reg.h>
|
||||
+#include <mach/gmac.h>
|
||||
#include "common.h"
|
||||
|
||||
static struct plat_serial8250_port serial_platform_data[] = {
|
||||
@@ -134,3 +135,53 @@ int __init platform_register_watchdog(vo
|
||||
{
|
||||
return platform_device_register(&wdt_device);
|
||||
}
|
||||
+
|
||||
+static struct resource gmac_resources[] = {
|
||||
+ {
|
||||
+ .start = 0x60000000,
|
||||
+ .end = 0x6000ffff,
|
||||
+ .flags = IORESOURCE_MEM,
|
||||
+ },
|
||||
+ {
|
||||
+ .start = IRQ_GMAC0,
|
||||
+ .end = IRQ_GMAC0,
|
||||
+ .flags = IORESOURCE_IRQ,
|
||||
+ },
|
||||
+ {
|
||||
+ .start = IRQ_GMAC1,
|
||||
+ .end = IRQ_GMAC1,
|
||||
+ .flags = IORESOURCE_IRQ,
|
||||
+ },
|
||||
+};
|
||||
+
|
||||
+static u64 gmac_dmamask = 0xffffffffUL;
|
||||
+
|
||||
+static struct platform_device ethernet_device = {
|
||||
+ .name = "gemini-gmac",
|
||||
+ .id = 0,
|
||||
+ .dev = {
|
||||
+ .dma_mask = &gmac_dmamask,
|
||||
+ .coherent_dma_mask = DMA_BIT_MASK(32),
|
||||
+ },
|
||||
+ .num_resources = ARRAY_SIZE(gmac_resources),
|
||||
+ .resource = gmac_resources,
|
||||
+};
|
||||
+
|
||||
+int __init platform_register_ethernet(struct gemini_gmac_platform_data *pdata)
|
||||
+{
|
||||
+ unsigned int reg;
|
||||
+
|
||||
+ reg = __raw_readl(IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL);
|
||||
+ reg &= ~(GMAC_GMII | GMAC_1_ENABLE);
|
||||
+
|
||||
+ if (pdata->bus_id[1])
|
||||
+ reg |= GMAC_1_ENABLE;
|
||||
+ else if (pdata->interface[0] == PHY_INTERFACE_MODE_GMII)
|
||||
+ reg |= GMAC_GMII;
|
||||
+
|
||||
+ __raw_writel(reg, IO_ADDRESS(GEMINI_GLOBAL_BASE) + GLOBAL_MISC_CTRL);
|
||||
+
|
||||
+ ethernet_device.dev.platform_data = pdata;
|
||||
+
|
||||
+ return platform_device_register(ðernet_device);
|
||||
+}
|
||||
@ -0,0 +1,41 @@ |
||||
--- a/arch/arm/mach-gemini/board-wbd111.c
|
||||
+++ b/arch/arm/mach-gemini/board-wbd111.c
|
||||
@@ -22,9 +22,29 @@
|
||||
#include <asm/mach/arch.h>
|
||||
#include <asm/mach/time.h>
|
||||
|
||||
+#include <mach/gmac.h>
|
||||
|
||||
#include "common.h"
|
||||
|
||||
+static struct mdio_gpio_platform_data wbd111_mdio = {
|
||||
+ .mdc = 22,
|
||||
+ .mdio = 21,
|
||||
+ .phy_mask = ~(1 << 1),
|
||||
+};
|
||||
+
|
||||
+static struct platform_device wbd111_phy_device = {
|
||||
+ .name = "mdio-gpio",
|
||||
+ .id = 0,
|
||||
+ .dev = {
|
||||
+ .platform_data = &wbd111_mdio,
|
||||
+ },
|
||||
+};
|
||||
+
|
||||
+static struct gemini_gmac_platform_data gmac_data = {
|
||||
+ .bus_id[0] = "gpio-0:01",
|
||||
+ .interface[0] = PHY_INTERFACE_MODE_MII,
|
||||
+};
|
||||
+
|
||||
static struct gpio_keys_button wbd111_keys[] = {
|
||||
{
|
||||
.code = KEY_SETUP,
|
||||
@@ -123,6 +143,8 @@ static void __init wbd111_init(void)
|
||||
platform_device_register(&wbd111_keys_device);
|
||||
platform_register_rtc();
|
||||
platform_register_watchdog();
|
||||
+ platform_device_register(&wbd111_phy_device);
|
||||
+ platform_register_ethernet(&gmac_data);
|
||||
}
|
||||
|
||||
MACHINE_START(WBD111, "Wiliboard WBD-111")
|
||||
@ -0,0 +1,43 @@ |
||||
--- a/arch/arm/mach-gemini/board-wbd222.c
|
||||
+++ b/arch/arm/mach-gemini/board-wbd222.c
|
||||
@@ -22,9 +22,31 @@
|
||||
#include <asm/mach/arch.h>
|
||||
#include <asm/mach/time.h>
|
||||
|
||||
+#include <mach/gmac.h>
|
||||
|
||||
#include "common.h"
|
||||
|
||||
+static struct mdio_gpio_platform_data wbd222_mdio = {
|
||||
+ .mdc = 22,
|
||||
+ .mdio = 21,
|
||||
+ .phy_mask = ~((1 << 1) | (1 << 3)),
|
||||
+};
|
||||
+
|
||||
+static struct platform_device wbd222_phy_device = {
|
||||
+ .name = "mdio-gpio",
|
||||
+ .id = 0,
|
||||
+ .dev = {
|
||||
+ .platform_data = &wbd222_mdio,
|
||||
+ },
|
||||
+};
|
||||
+
|
||||
+static struct gemini_gmac_platform_data gmac_data = {
|
||||
+ .bus_id[0] = "gpio-0:01",
|
||||
+ .interface[0] = PHY_INTERFACE_MODE_MII,
|
||||
+ .bus_id[1] = "gpio-0:03",
|
||||
+ .interface[1] = PHY_INTERFACE_MODE_MII,
|
||||
+};
|
||||
+
|
||||
static struct gpio_keys_button wbd222_keys[] = {
|
||||
{
|
||||
.code = KEY_SETUP,
|
||||
@@ -123,6 +145,8 @@ static void __init wbd222_init(void)
|
||||
platform_device_register(&wbd222_keys_device);
|
||||
platform_register_rtc();
|
||||
platform_register_watchdog();
|
||||
+ platform_device_register(&wbd222_phy_device);
|
||||
+ platform_register_ethernet(&gmac_data);
|
||||
}
|
||||
|
||||
MACHINE_START(WBD222, "Wiliboard WBD-222")
|
||||
@ -0,0 +1,47 @@ |
||||
--- a/arch/arm/mach-gemini/board-rut1xx.c
|
||||
+++ b/arch/arm/mach-gemini/board-rut1xx.c
|
||||
@@ -15,13 +15,35 @@
|
||||
#include <linux/input.h>
|
||||
#include <linux/gpio_keys.h>
|
||||
#include <linux/sizes.h>
|
||||
+#include <linux/mdio-gpio.h>
|
||||
|
||||
#include <asm/mach-types.h>
|
||||
#include <asm/mach/arch.h>
|
||||
#include <asm/mach/time.h>
|
||||
|
||||
+#include <mach/gmac.h>
|
||||
+
|
||||
#include "common.h"
|
||||
|
||||
+static struct mdio_gpio_platform_data rut1xx_mdio = {
|
||||
+ .mdc = 22,
|
||||
+ .mdio = 21,
|
||||
+ .phy_mask = ~(1 << 1),
|
||||
+};
|
||||
+
|
||||
+static struct platform_device rut1xx_phy_device = {
|
||||
+ .name = "mdio-gpio",
|
||||
+ .id = 0,
|
||||
+ .dev = {
|
||||
+ .platform_data = &rut1xx_mdio,
|
||||
+ },
|
||||
+};
|
||||
+
|
||||
+static struct gemini_gmac_platform_data gmac_data = {
|
||||
+ .bus_id[0] = "gpio-0:01",
|
||||
+ .interface[0] = PHY_INTERFACE_MODE_MII,
|
||||
+};
|
||||
+
|
||||
static struct gpio_keys_button rut1xx_keys[] = {
|
||||
{
|
||||
.code = KEY_SETUP,
|
||||
@@ -81,6 +103,8 @@ static void __init rut1xx_init(void)
|
||||
platform_device_register(&rut1xx_keys_device);
|
||||
platform_register_rtc();
|
||||
platform_register_watchdog();
|
||||
+ platform_device_register(&rut1xx_phy_device);
|
||||
+ platform_register_ethernet(&gmac_data);
|
||||
}
|
||||
|
||||
MACHINE_START(RUT100, "Teltonika RUT100")
|
||||
@ -0,0 +1,611 @@ |
||||
--- /dev/null
|
||||
+++ b/drivers/usb/host/ehci-fotg2xx.c
|
||||
@@ -0,0 +1,459 @@
|
||||
+/*
|
||||
+ * EHCI Host Controller driver
|
||||
+ *
|
||||
+ * Copyright (C) 2006 Sony Computer Entertainment Inc.
|
||||
+ * Copyright 2006 Sony Corp.
|
||||
+ *
|
||||
+ * This program is free software; you can redistribute it and/or modify
|
||||
+ * it under the terms of the GNU General Public License as published by
|
||||
+ * the Free Software Foundation; version 2 of the License.
|
||||
+ */
|
||||
+
|
||||
+#include <linux/platform_device.h>
|
||||
+#include <mach/hardware.h>
|
||||
+
|
||||
+#define otg_set(port, bits) writel(readl(hcd->regs + port) | bits, hcd->regs + port)
|
||||
+
|
||||
+#define otg_clear(port, bits) writel(readl(hcd->regs + port) & ~bits, hcd->regs + port)
|
||||
+
|
||||
+#define GLOBAL_ISR 0xC0
|
||||
+#define GLOBAL_ICR 0xC4
|
||||
+
|
||||
+#define HCD_MISC 0x40
|
||||
+
|
||||
+#define OTGC_SCR 0x80
|
||||
+#define OTGC_INT_EN 0x88
|
||||
+
|
||||
+#define GLOBAL_INT_POLARITY (1 << 3)
|
||||
+#define GLOBAL_INT_MASK_HC (1 << 2)
|
||||
+#define GLOBAL_INT_MASK_OTG (1 << 1)
|
||||
+#define GLOBAL_INT_MASK_DEV (1 << 0)
|
||||
+
|
||||
+#define OTGC_SCR_ID (1 << 21)
|
||||
+#define OTGC_SCR_CROLE (1 << 20)
|
||||
+#define OTGC_SCR_VBUS_VLD (1 << 19)
|
||||
+#define OTGC_SCR_A_SRP_RESP_TYPE (1 << 8)
|
||||
+#define OTGC_SCR_A_SRP_DET_EN (1 << 7)
|
||||
+#define OTGC_SCR_A_SET_B_HNP_EN (1 << 6)
|
||||
+#define OTGC_SCR_A_BUS_DROP (1 << 5)
|
||||
+#define OTGC_SCR_A_BUS_REQ (1 << 4)
|
||||
+
|
||||
+#define OTGC_INT_APLGRMV (1 << 12)
|
||||
+#define OTGC_INT_BPLGRMV (1 << 11)
|
||||
+#define OTGC_INT_OVC (1 << 10)
|
||||
+#define OTGC_INT_IDCHG (1 << 9)
|
||||
+#define OTGC_INT_RLCHG (1 << 8)
|
||||
+#define OTGC_INT_AVBUSERR (1 << 5)
|
||||
+#define OTGC_INT_ASRPDET (1 << 4)
|
||||
+#define OTGC_INT_BSRPDN (1 << 0)
|
||||
+
|
||||
+#define OTGC_INT_A_TYPE (OTGC_INT_ASRPDET|OTGC_INT_AVBUSERR|OTGC_INT_OVC|OTGC_INT_RLCHG|OTGC_INT_IDCHG|OTGC_INT_APLGRMV)
|
||||
+#define OTGC_INT_B_TYPE (OTGC_INT_AVBUSERR|OTGC_INT_OVC|OTGC_INT_RLCHG|OTGC_INT_IDCHG)
|
||||
+
|
||||
+static void fotg2xx_otgc_role_change(struct usb_hcd *hcd);
|
||||
+
|
||||
+static void fotg2xx_otgc_init(struct usb_hcd *hcd)
|
||||
+{
|
||||
+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
|
||||
+ unsigned int reg;
|
||||
+
|
||||
+ reg = __raw_readl(hcd->regs + OTGC_SCR);
|
||||
+ ehci_info(ehci, "role detected: %s, ",
|
||||
+ (reg & OTGC_SCR_CROLE) ? "Peripheral" : "Host");
|
||||
+
|
||||
+ if (reg & OTGC_SCR_ID)
|
||||
+ ehci_info(ehci, "B-Device (may be unsupported!)\n");
|
||||
+ else
|
||||
+ ehci_info(ehci, "A-Device\n");
|
||||
+
|
||||
+ /* Enable the SRP detect */
|
||||
+ reg &= ~OTGC_SCR_A_SRP_RESP_TYPE;
|
||||
+ __raw_writel(reg, hcd->regs + OTGC_SCR);
|
||||
+
|
||||
+ reg = __raw_readl(hcd->regs + OTGC_INT_EN);
|
||||
+ /* clear INT B: bits AVBUSERR | OVC | RLCHG | IDCHG */
|
||||
+ reg &= ~OTGC_INT_B_TYPE;
|
||||
+ /* set INT A: bits ASRPDET | AVBUSERR | OVC | RLCHG | IDCHG | APLGRMV */
|
||||
+ reg |= OTGC_INT_A_TYPE;
|
||||
+ __raw_writel(reg, hcd->regs + OTGC_INT_EN);
|
||||
+
|
||||
+ reg = __raw_readl(hcd->regs + GLOBAL_ICR);
|
||||
+ reg &= ~GLOBAL_INT_MASK_OTG;
|
||||
+ __raw_writel(reg, hcd->regs + GLOBAL_ICR);
|
||||
+
|
||||
+ /* setup MISC register, fixes timing problems */
|
||||
+ reg = __raw_readl(hcd->regs + HCD_MISC);
|
||||
+ reg |= 0xD;
|
||||
+ __raw_writel(reg, hcd->regs + HCD_MISC);
|
||||
+
|
||||
+ fotg2xx_otgc_role_change(hcd);
|
||||
+}
|
||||
+
|
||||
+static void fotg2xx_otgh_close(struct usb_hcd *hcd)
|
||||
+{
|
||||
+ unsigned int reg;
|
||||
+
|
||||
+ /* <1>.Enable Interrupt Mask */
|
||||
+ reg = __raw_readl(hcd->regs + GLOBAL_ICR);
|
||||
+ reg |= GLOBAL_INT_MASK_HC;
|
||||
+ __raw_writel(reg, hcd->regs + GLOBAL_ICR);
|
||||
+
|
||||
+ /* <2>.Clear the Interrupt status */
|
||||
+ reg = __raw_readl(hcd->regs + 0x18);
|
||||
+ reg &= 0x0000003F;
|
||||
+ __raw_writel(reg, hcd->regs + 0x14);
|
||||
+}
|
||||
+
|
||||
+static void fotg2xx_otgh_open(struct usb_hcd *hcd)
|
||||
+{
|
||||
+ unsigned int reg;
|
||||
+
|
||||
+ reg = __raw_readl(hcd->regs + OTGC_SCR);
|
||||
+ reg &= ~OTGC_SCR_A_SRP_DET_EN;
|
||||
+ __raw_writel(reg, hcd->regs + OTGC_SCR);
|
||||
+
|
||||
+ reg = __raw_readl(hcd->regs + GLOBAL_ICR);
|
||||
+ reg &= ~GLOBAL_INT_MASK_HC;
|
||||
+ __raw_writel(reg, hcd->regs + GLOBAL_ICR);
|
||||
+}
|
||||
+
|
||||
+/* change to host role */
|
||||
+static void fotg2xx_otgc_role_change(struct usb_hcd *hcd)
|
||||
+{
|
||||
+
|
||||
+ /* clear A_SET_B_HNP_EN */
|
||||
+ otg_clear(0x80, BIT(6));
|
||||
+
|
||||
+ /*** Enable VBUS driving */
|
||||
+ if (readl(hcd->regs + 0x80) & BIT(19))
|
||||
+ printk(KERN_INFO "VBUS already enabled\n");
|
||||
+ else {
|
||||
+ int cnt = 0;
|
||||
+
|
||||
+ /* clear A_BUS_DROP */
|
||||
+ otg_clear(0x80, BIT(5));
|
||||
+
|
||||
+ /* set A_BUS_REQ */
|
||||
+ otg_set(0x80, BIT(4));
|
||||
+
|
||||
+ /* set global bus reg to VBUS on */
|
||||
+ writel(readl(IO_ADDRESS(0x40000000) + 0x30) | ((BIT(21)|BIT(22))),
|
||||
+ IO_ADDRESS(0x40000000) + 0x30);
|
||||
+
|
||||
+ if (readl(hcd->regs + 0x80) & (1<<19)) {
|
||||
+ printk(KERN_INFO "Waiting for VBus");
|
||||
+ while (!(readl(hcd->regs + 0x80) & (1<<19)) && (cnt < 80)) {
|
||||
+ printk(KERN_CONT ".");
|
||||
+ cnt++;
|
||||
+ }
|
||||
+ printk(KERN_CONT "\n");
|
||||
+ } else
|
||||
+ printk(KERN_INFO "VBUS enabled.\n");
|
||||
+
|
||||
+ mdelay(1);
|
||||
+ }
|
||||
+ fotg2xx_otgh_open(hcd);
|
||||
+}
|
||||
+
|
||||
+static int fotg2xx_ehci_hc_reset(struct usb_hcd *hcd)
|
||||
+{
|
||||
+ int result;
|
||||
+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
|
||||
+
|
||||
+ ehci->caps = hcd->regs;
|
||||
+ ehci->regs = hcd->regs + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase));
|
||||
+
|
||||
+ dbg_hcs_params(ehci, "reset");
|
||||
+ dbg_hcc_params(ehci, "reset");
|
||||
+
|
||||
+ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
|
||||
+ hcd->has_tt = 1;
|
||||
+
|
||||
+ result = ehci_halt(ehci);
|
||||
+ if (result)
|
||||
+ return result;
|
||||
+
|
||||
+ return ehci_init(hcd);
|
||||
+}
|
||||
+
|
||||
+/*
|
||||
+ * Name: OTGC_INT_ISR
|
||||
+ * Description:This interrupt service routine belongs to the OTG-Controller
|
||||
+ * <1>.Check for ID_Change
|
||||
+ * <2>.Check for RL_Change
|
||||
+ * <3>.Error Detect
|
||||
+ * Input: wINTStatus
|
||||
+ * Output:void
|
||||
+ */
|
||||
+void fotg2xx_int_isr(struct usb_hcd *hcd, u32 wINTStatus)
|
||||
+{
|
||||
+ /* <1>.Check for ID_Change */
|
||||
+ if (wINTStatus&OTGC_INT_IDCHG) {
|
||||
+ if ((readl(hcd->regs + 0x80) & BIT(21)) != 0)
|
||||
+ fotg2xx_otgc_init(hcd); /* Change to B Type */
|
||||
+ else
|
||||
+ fotg2xx_otgc_init(hcd); /* Change to A Type */
|
||||
+
|
||||
+ return;
|
||||
+ }
|
||||
+
|
||||
+ /* <2>.Check for RL_Change */
|
||||
+ if (wINTStatus&OTGC_INT_RLCHG)
|
||||
+ fotg2xx_otgc_role_change(hcd);
|
||||
+
|
||||
+ /* <3>.Error Detect */
|
||||
+ if (wINTStatus&OTGC_INT_AVBUSERR)
|
||||
+ printk(KERN_ERR "VBus error!\n");
|
||||
+
|
||||
+ if (wINTStatus&OTGC_INT_OVC)
|
||||
+ printk(KERN_WARNING "Overcurrent detected!\n");
|
||||
+
|
||||
+ /* <3>.Check for Type-A/Type-B Interrupt */
|
||||
+ if ((readl(hcd->regs + 0x80) & BIT(21)) == 0) { /*For Type-A Interrupt*/
|
||||
+ if (wINTStatus & (OTGC_INT_A_TYPE | OTGC_INT_ASRPDET)) {
|
||||
+ /* <1>.SRP detected => then set global variable */
|
||||
+ printk(KERN_WARNING "SRP detected, but not implemented!\n");
|
||||
+
|
||||
+#if 0
|
||||
+ u32 wTempCounter;
|
||||
+ /* <2>.Turn on the V Bus */
|
||||
+ pFTC_OTG->otg.state = OTG_STATE_A_WAIT_VRISE;
|
||||
+ OTGC_enable_vbus_draw_storlink(1);
|
||||
+ pFTC_OTG->otg.state = OTG_STATE_A_HOST;
|
||||
+ /* <3>.Should waiting for Device-Connect Wait 300ms */
|
||||
+ INFO(pFTC_OTG, ">>> OTG-A Waiting for OTG-B Connect,\n");
|
||||
+ wTempCounter = 0;
|
||||
+ while (mwHost20_PORTSC_ConnectStatus_Rd() == 0) {
|
||||
+ mdelay(1);
|
||||
+ wTempCounter++;
|
||||
+ /* Waiting for 300 ms */
|
||||
+ if (wTempCounter > 300) {
|
||||
+ mdwOTGC_Control_A_SRP_DET_EN_Clr();
|
||||
+ INFO(pFTC_OTG, ">>> OTG-B do not connect under 300 ms...\n");
|
||||
+ break;
|
||||
+ }
|
||||
+ }
|
||||
+ /* <4>.If Connect => issue quick Reset */
|
||||
+ if (mwHost20_PORTSC_ConnectStatus_Rd() > 0) {
|
||||
+ mdelay(300); /* For OPT-A Test */
|
||||
+ OTGH_host_quick_Reset();
|
||||
+ OTGH_Open();
|
||||
+ pFTC_OTG->otg.host->A_Disable_Set_Feature_HNP = 0;
|
||||
+ }
|
||||
+#endif
|
||||
+ }
|
||||
+ } else { /* For Type-B Interrupt */
|
||||
+ BUG();
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
+static irqreturn_t fotg2xx_ehci_irq(int irq, void *devid)
|
||||
+{
|
||||
+ struct usb_hcd *hcd = devid;
|
||||
+ u32 val;
|
||||
+
|
||||
+ /* OTG Interrupt Status Register */
|
||||
+ val = readl(hcd->regs + 0x84);
|
||||
+
|
||||
+ /* OTG stuff */
|
||||
+ if (val) {
|
||||
+ /* supposed to do "INT STS Clr" - XXX */
|
||||
+ writel(readl(hcd->regs + 0x84) | val, hcd->regs + 0x84);
|
||||
+
|
||||
+ fotg2xx_int_isr(hcd, val);
|
||||
+
|
||||
+ /* supposed to do "INT STS Clr" - XXX */
|
||||
+ writel(readl(hcd->regs + 0x84) | val, hcd->regs + 0x84);
|
||||
+
|
||||
+ return IRQ_HANDLED;
|
||||
+ }
|
||||
+
|
||||
+ if ((readl(hcd->regs + 0x80) & BIT(20)) == 0) { /* Role is HOST */
|
||||
+ if (readl(hcd->regs + 0xC0) & BIT(2)) { /* INT STS HOST */
|
||||
+ /* leave this for ehci irq handler */
|
||||
+ return IRQ_NONE;
|
||||
+ }
|
||||
+ } else
|
||||
+ printk(KERN_WARNING
|
||||
+ "received irq for peripheral - don't know what to do!\n");
|
||||
+
|
||||
+ /* do not call the ehci irq handler */
|
||||
+ return IRQ_HANDLED;
|
||||
+}
|
||||
+
|
||||
+static int fotg2xx_ehci_run(struct usb_hcd *hcd)
|
||||
+{
|
||||
+ int retval;
|
||||
+
|
||||
+ retval = ehci_run(hcd);
|
||||
+
|
||||
+ fotg2xx_otgh_close(hcd);
|
||||
+ fotg2xx_otgc_init(hcd);
|
||||
+
|
||||
+ return retval;
|
||||
+}
|
||||
+
|
||||
+static const struct hc_driver fotg2xx_ehci_hc_driver = {
|
||||
+ .description = hcd_name,
|
||||
+ .product_desc = "FOTG2XX EHCI Host Controller",
|
||||
+ .hcd_priv_size = sizeof(struct ehci_hcd),
|
||||
+ .irq = ehci_irq,
|
||||
+ .flags = HCD_MEMORY | HCD_USB2,
|
||||
+ .reset = fotg2xx_ehci_hc_reset,
|
||||
+ .start = fotg2xx_ehci_run,
|
||||
+ .stop = ehci_stop,
|
||||
+ .shutdown = ehci_shutdown,
|
||||
+
|
||||
+ .urb_enqueue = ehci_urb_enqueue,
|
||||
+ .urb_dequeue = ehci_urb_dequeue,
|
||||
+ .endpoint_disable = ehci_endpoint_disable,
|
||||
+ .endpoint_reset = ehci_endpoint_reset,
|
||||
+
|
||||
+ .get_frame_number = ehci_get_frame,
|
||||
+
|
||||
+ .hub_status_data = ehci_hub_status_data,
|
||||
+ .hub_control = ehci_hub_control,
|
||||
+#if defined(CONFIG_PM)
|
||||
+ .bus_suspend = ehci_bus_suspend,
|
||||
+ .bus_resume = ehci_bus_resume,
|
||||
+#endif
|
||||
+ .relinquish_port = ehci_relinquish_port,
|
||||
+ .port_handed_over = ehci_port_handed_over,
|
||||
+
|
||||
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
|
||||
+};
|
||||
+
|
||||
+static int fotg2xx_ehci_probe(struct platform_device *pdev)
|
||||
+{
|
||||
+ const struct hc_driver *driver = &fotg2xx_ehci_hc_driver;
|
||||
+ struct usb_hcd *hcd;
|
||||
+ struct resource *res;
|
||||
+ int irq;
|
||||
+ int retval;
|
||||
+
|
||||
+ pr_debug("initializing FOTG2XX-SOC USB Controller\n");
|
||||
+
|
||||
+ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
|
||||
+ if (!res) {
|
||||
+ dev_err(&pdev->dev,
|
||||
+ "Found HC with no IRQ. Check %s setup!\n",
|
||||
+ dev_name(&pdev->dev));
|
||||
+ return -ENODEV;
|
||||
+ }
|
||||
+
|
||||
+ irq = res->start;
|
||||
+
|
||||
+ hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
|
||||
+ if (!hcd) {
|
||||
+ retval = -ENOMEM;
|
||||
+ goto err1;
|
||||
+ }
|
||||
+
|
||||
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
+ if (!res) {
|
||||
+ dev_err(&pdev->dev,
|
||||
+ "Found HC with no register addr. Check %s setup!\n",
|
||||
+ dev_name(&pdev->dev));
|
||||
+ retval = -ENODEV;
|
||||
+ goto err2;
|
||||
+ }
|
||||
+
|
||||
+ hcd->rsrc_start = res->start;
|
||||
+ hcd->rsrc_len = res->end - res->start + 1;
|
||||
+ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
|
||||
+ driver->description)) {
|
||||
+ dev_dbg(&pdev->dev, "controller already in use\n");
|
||||
+ retval = -EBUSY;
|
||||
+ goto err2;
|
||||
+ }
|
||||
+
|
||||
+ hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
|
||||
+ if (hcd->regs == NULL) {
|
||||
+ dev_dbg(&pdev->dev, "error mapping memory\n");
|
||||
+ retval = -EFAULT;
|
||||
+ goto err3;
|
||||
+ }
|
||||
+
|
||||
+
|
||||
+ /* set global reg to mini-A host */
|
||||
+ writel(readl(IO_ADDRESS(0x40000000) + 0x30) & ~(BIT(30)|BIT(29)),
|
||||
+ IO_ADDRESS(0x40000000) + 0x30);
|
||||
+
|
||||
+ /* USB0&USB1 - VBUS off */
|
||||
+ writel(readl(IO_ADDRESS(0x40000000) + 0x30) & ~(BIT(21)|BIT(22)),
|
||||
+ IO_ADDRESS(0x40000000) + 0x30);
|
||||
+
|
||||
+ if ((readl(hcd->regs) == 0x01000010) &&
|
||||
+ (readl(hcd->regs + 4) == 0x00000001) &&
|
||||
+ (readl(hcd->regs + 8) == 0x00000006)) {
|
||||
+ dev_info(&pdev->dev,
|
||||
+ "Found Faraday OTG 2XX controller (base = 0x%08lX)\n",
|
||||
+ (unsigned long) hcd->rsrc_start);
|
||||
+ } else {
|
||||
+ dev_err(&pdev->dev, "fotg2xx id mismatch: found %d.%d.%d\n",
|
||||
+ readl(hcd->regs + 0x00),
|
||||
+ readl(hcd->regs + 0x04),
|
||||
+ readl(hcd->regs + 0x08));
|
||||
+ retval = -ENODEV;
|
||||
+ goto err4;
|
||||
+ }
|
||||
+
|
||||
+ platform_set_drvdata(pdev, hcd);
|
||||
+
|
||||
+ /* mask interrupts - peripheral, otg, host, hi-active (bits 0,1,2,3) */
|
||||
+ otg_set(0xc4, BIT(3)); /* hi active */
|
||||
+
|
||||
+ otg_set(0xc4, BIT(2)); /* host */
|
||||
+ otg_set(0xc4, BIT(1)); /* otg */
|
||||
+ otg_set(0xc4, BIT(0)); /* peripheral */
|
||||
+
|
||||
+ /* register additional interrupt - here we check otg status */
|
||||
+ if ((request_irq(irq, &fotg2xx_ehci_irq, IRQF_SHARED | IRQF_DISABLED,
|
||||
+ hcd->irq_descr, hcd)) != 0) {
|
||||
+ dev_dbg(&pdev->dev, "error requesting irq %d\n", irq);
|
||||
+ retval = -EFAULT;
|
||||
+ goto err4;
|
||||
+ }
|
||||
+
|
||||
+ retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
|
||||
+ if (retval != 0)
|
||||
+ goto err4;
|
||||
+ return retval;
|
||||
+
|
||||
+err4:
|
||||
+ iounmap(hcd->regs);
|
||||
+err3:
|
||||
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
|
||||
+err2:
|
||||
+ usb_put_hcd(hcd);
|
||||
+err1:
|
||||
+ dev_err(&pdev->dev, "init %s fail, %d\n", dev_name(&pdev->dev), retval);
|
||||
+ return retval;
|
||||
+}
|
||||
+
|
||||
+/* may be called without controller electrically present */
|
||||
+/* may be called with controller, bus, and devices active */
|
||||
+
|
||||
+int fotg2xx_ehci_remove(struct platform_device *pdev)
|
||||
+{
|
||||
+ struct usb_hcd *hcd =
|
||||
+ (struct usb_hcd *)platform_get_drvdata(pdev);
|
||||
+
|
||||
+ usb_remove_hcd(hcd);
|
||||
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
|
||||
+ iounmap(hcd->regs);
|
||||
+ usb_put_hcd(hcd);
|
||||
+ platform_set_drvdata(pdev, NULL);
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+MODULE_ALIAS("platform:ehci-fotg2xx");
|
||||
+
|
||||
+static struct platform_driver fotg2xx_ehci_driver = {
|
||||
+ .probe = fotg2xx_ehci_probe,
|
||||
+ .remove = fotg2xx_ehci_remove,
|
||||
+ .driver = {
|
||||
+ .name = "ehci-fotg2xx",
|
||||
+ },
|
||||
+};
|
||||
--- a/drivers/usb/host/ehci.h
|
||||
+++ b/drivers/usb/host/ehci.h
|
||||
@@ -603,7 +603,12 @@ static inline unsigned int
|
||||
ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
|
||||
{
|
||||
if (ehci_is_TDI(ehci)) {
|
||||
+#ifdef CONFIG_ARCH_GEMINI
|
||||
+ portsc = readl(ehci_to_hcd(ehci)->regs + 0x80);
|
||||
+ switch ((portsc>>22)&3) {
|
||||
+#else
|
||||
switch ((portsc >> (ehci->has_hostpc ? 25 : 26)) & 3) {
|
||||
+#endif
|
||||
case 0:
|
||||
return 0;
|
||||
case 1:
|
||||
--- a/drivers/usb/host/ehci-hcd.c
|
||||
+++ b/drivers/usb/host/ehci-hcd.c
|
||||
@@ -204,10 +204,12 @@ static int ehci_halt (struct ehci_hcd *e
|
||||
* This routine gets called during probe before ehci->command
|
||||
* has been initialized, so we can't rely on its value.
|
||||
*/
|
||||
+#ifndef CONFIG_ARCH_GEMINI
|
||||
ehci->command &= ~CMD_RUN;
|
||||
temp = ehci_readl(ehci, &ehci->regs->command);
|
||||
temp &= ~(CMD_RUN | CMD_IAAD);
|
||||
ehci_writel(ehci, temp, &ehci->regs->command);
|
||||
+#endif
|
||||
|
||||
spin_unlock_irq(&ehci->lock);
|
||||
synchronize_irq(ehci_to_hcd(ehci)->irq);
|
||||
@@ -257,13 +259,17 @@ static int ehci_reset (struct ehci_hcd *
|
||||
if (ehci->has_hostpc) {
|
||||
ehci_writel(ehci, USBMODE_EX_HC | USBMODE_EX_VBPS,
|
||||
&ehci->regs->usbmode_ex);
|
||||
+#ifndef CONFIG_ARCH_GEMINI
|
||||
ehci_writel(ehci, TXFIFO_DEFAULT, &ehci->regs->txfill_tuning);
|
||||
+#endif
|
||||
}
|
||||
if (retval)
|
||||
return retval;
|
||||
|
||||
+#ifndef CONFIG_ARCH_GEMINI
|
||||
if (ehci_is_TDI(ehci))
|
||||
tdi_reset (ehci);
|
||||
+#endif
|
||||
|
||||
if (ehci->debug)
|
||||
dbgp_external_startup(ehci_to_hcd(ehci));
|
||||
@@ -341,11 +347,14 @@ static void ehci_silence_controller(stru
|
||||
ehci->rh_state = EHCI_RH_HALTED;
|
||||
ehci_turn_off_all_ports(ehci);
|
||||
|
||||
+#ifndef CONFIG_ARCH_GEMINI
|
||||
/* make BIOS/etc use companion controller during reboot */
|
||||
ehci_writel(ehci, 0, &ehci->regs->configured_flag);
|
||||
|
||||
/* unblock posted writes */
|
||||
ehci_readl(ehci, &ehci->regs->configured_flag);
|
||||
+#endif
|
||||
+
|
||||
spin_unlock_irq(&ehci->lock);
|
||||
}
|
||||
|
||||
@@ -603,7 +612,9 @@ static int ehci_run (struct usb_hcd *hcd
|
||||
// Philips, Intel, and maybe others need CMD_RUN before the
|
||||
// root hub will detect new devices (why?); NEC doesn't
|
||||
ehci->command &= ~(CMD_LRESET|CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET);
|
||||
+#ifndef CONFIG_ARCH_GEMINI
|
||||
ehci->command |= CMD_RUN;
|
||||
+#endif
|
||||
ehci_writel(ehci, ehci->command, &ehci->regs->command);
|
||||
dbg_cmd (ehci, "init", ehci->command);
|
||||
|
||||
@@ -623,9 +634,11 @@ static int ehci_run (struct usb_hcd *hcd
|
||||
*/
|
||||
down_write(&ehci_cf_port_reset_rwsem);
|
||||
ehci->rh_state = EHCI_RH_RUNNING;
|
||||
+#ifndef CONFIG_ARCH_GEMINI
|
||||
ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
|
||||
ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */
|
||||
msleep(5);
|
||||
+#endif /* !CONFIG_ARCH_GEMINI */
|
||||
up_write(&ehci_cf_port_reset_rwsem);
|
||||
ehci->last_periodic_enable = ktime_get_real();
|
||||
|
||||
@@ -1228,6 +1241,11 @@ MODULE_DESCRIPTION(DRIVER_DESC);
|
||||
MODULE_AUTHOR (DRIVER_AUTHOR);
|
||||
MODULE_LICENSE ("GPL");
|
||||
|
||||
+#ifdef CONFIG_ARCH_GEMINI
|
||||
+#include "ehci-fotg2xx.c"
|
||||
+#define PLATFORM_DRIVER fotg2xx_ehci_driver
|
||||
+#endif
|
||||
+
|
||||
#ifdef CONFIG_USB_EHCI_FSL
|
||||
#include "ehci-fsl.c"
|
||||
#define PLATFORM_DRIVER ehci_fsl_driver
|
||||
--- a/drivers/usb/host/ehci-hub.c
|
||||
+++ b/drivers/usb/host/ehci-hub.c
|
||||
@@ -914,6 +914,12 @@ static int ehci_hub_control (
|
||||
/* see what we found out */
|
||||
temp = check_reset_complete (ehci, wIndex, status_reg,
|
||||
ehci_readl(ehci, status_reg));
|
||||
+#ifdef CONFIG_ARCH_GEMINI
|
||||
+ /* restart schedule */
|
||||
+ ehci_writel(ehci, ehci_readl(ehci, &ehci->regs->command) | CMD_RUN, &ehci->regs->command);
|
||||
+
|
||||
+// hcd->state = HC_STATE_RUNNING;
|
||||
+#endif
|
||||
}
|
||||
|
||||
if (!(temp & (PORT_RESUME|PORT_RESET))) {
|
||||
--- a/drivers/usb/Kconfig
|
||||
+++ b/drivers/usb/Kconfig
|
||||
@@ -47,6 +47,7 @@ config USB_ARCH_HAS_EHCI
|
||||
default y if MICROBLAZE
|
||||
default y if SPARC_LEON
|
||||
default y if ARCH_MMP
|
||||
+ default y if ARCH_GEMINI
|
||||
default y if MACH_LOONGSON1
|
||||
default y if PLAT_ORION
|
||||
default PCI
|
||||
@@ -96,7 +97,7 @@ config USB
|
||||
traditional PC serial port. The bus supplies power to peripherals
|
||||
and allows for hot swapping. Up to 127 USB peripherals can be
|
||||
connected to a single USB host in a tree structure.
|
||||
-
|
||||
+
|
||||
The USB host is the root of the tree, the peripherals are the
|
||||
leaves and the inner nodes are special USB devices called hubs.
|
||||
Most PCs now have USB host ports, used to connect peripherals
|
||||
--- a/include/linux/usb/ehci_def.h
|
||||
+++ b/include/linux/usb/ehci_def.h
|
||||
@@ -111,6 +111,7 @@ struct ehci_regs {
|
||||
/* ASYNCLISTADDR: offset 0x18 */
|
||||
u32 async_next; /* address of next async queue head */
|
||||
|
||||
+#ifndef CONFIG_ARCH_GEMINI
|
||||
u32 reserved1[2];
|
||||
|
||||
/* TXFILLTUNING: offset 0x24 */
|
||||
@@ -118,6 +119,7 @@ struct ehci_regs {
|
||||
#define TXFIFO_DEFAULT (8<<16) /* FIFO burst threshold 8 */
|
||||
|
||||
u32 reserved2[6];
|
||||
+#endif /* !CONFIG_ARCH_GEMINI */
|
||||
|
||||
/* CONFIGFLAG: offset 0x40 */
|
||||
u32 configured_flag;
|
||||
@ -0,0 +1,75 @@ |
||||
--- a/arch/arm/mach-gemini/devices.c
|
||||
+++ b/arch/arm/mach-gemini/devices.c
|
||||
@@ -185,3 +185,62 @@ int __init platform_register_ethernet(st
|
||||
|
||||
return platform_device_register(ðernet_device);
|
||||
}
|
||||
+
|
||||
+static u64 usb0_dmamask = DMA_BIT_MASK(32);
|
||||
+static struct resource usb0_resources[] = {
|
||||
+ {
|
||||
+ .start = 0x68000000,
|
||||
+ .end = 0x68000fff,
|
||||
+ .flags = IORESOURCE_MEM,
|
||||
+ },
|
||||
+ {
|
||||
+ .start = IRQ_USB0,
|
||||
+ .end = IRQ_USB0,
|
||||
+ .flags = IORESOURCE_IRQ,
|
||||
+ },
|
||||
+};
|
||||
+
|
||||
+static u64 usb1_dmamask = DMA_BIT_MASK(32);
|
||||
+static struct resource usb1_resources[] = {
|
||||
+ {
|
||||
+ .start = 0x69000000,
|
||||
+ .end = 0x69000fff,
|
||||
+ .flags = IORESOURCE_MEM,
|
||||
+ },
|
||||
+ {
|
||||
+ .start = IRQ_USB1,
|
||||
+ .end = IRQ_USB1,
|
||||
+ .flags = IORESOURCE_IRQ,
|
||||
+ },
|
||||
+};
|
||||
+
|
||||
+static struct platform_device usb_device[] = {
|
||||
+ {
|
||||
+ .name = "ehci-fotg2xx",
|
||||
+ .id = 0,
|
||||
+ .dev = {
|
||||
+ .dma_mask = &usb0_dmamask,
|
||||
+ .coherent_dma_mask = DMA_BIT_MASK(32),
|
||||
+ },
|
||||
+ .num_resources = ARRAY_SIZE(usb0_resources),
|
||||
+ .resource = usb0_resources,
|
||||
+ },
|
||||
+ {
|
||||
+ .name = "ehci-fotg2xx",
|
||||
+ .id = 1,
|
||||
+ .dev = {
|
||||
+ .dma_mask = &usb1_dmamask,
|
||||
+ .coherent_dma_mask = DMA_BIT_MASK(32),
|
||||
+ },
|
||||
+ .num_resources = ARRAY_SIZE(usb1_resources),
|
||||
+ .resource = usb1_resources,
|
||||
+ },
|
||||
+};
|
||||
+
|
||||
+int __init platform_register_usb(unsigned int id)
|
||||
+{
|
||||
+ if (id > 1)
|
||||
+ return -EINVAL;
|
||||
+
|
||||
+ return platform_device_register(&usb_device[id]);
|
||||
+}
|
||||
--- a/arch/arm/mach-gemini/common.h
|
||||
+++ b/arch/arm/mach-gemini/common.h
|
||||
@@ -28,6 +28,7 @@ extern int platform_register_pflash(unsi
|
||||
unsigned int nr_parts);
|
||||
extern int platform_register_watchdog(void);
|
||||
extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata);
|
||||
+extern int platform_register_usb(unsigned int id);
|
||||
|
||||
extern void gemini_restart(char mode, const char *cmd);
|
||||
|
||||
@ -0,0 +1,24 @@ |
||||
--- a/arch/arm/mach-gemini/board-wbd111.c
|
||||
+++ b/arch/arm/mach-gemini/board-wbd111.c
|
||||
@@ -145,6 +145,7 @@ static void __init wbd111_init(void)
|
||||
platform_register_watchdog();
|
||||
platform_device_register(&wbd111_phy_device);
|
||||
platform_register_ethernet(&gmac_data);
|
||||
+ platform_register_usb(0);
|
||||
}
|
||||
|
||||
MACHINE_START(WBD111, "Wiliboard WBD-111")
|
||||
--- a/drivers/usb/host/ehci-hcd.c
|
||||
+++ b/drivers/usb/host/ehci-hcd.c
|
||||
@@ -99,7 +99,11 @@ module_param (park, uint, S_IRUGO);
|
||||
MODULE_PARM_DESC (park, "park setting; 1-3 back-to-back async packets");
|
||||
|
||||
/* for flakey hardware, ignore overcurrent indicators */
|
||||
+#ifdef CONFIG_ARCH_GEMINI
|
||||
+static bool ignore_oc = 1;
|
||||
+#else
|
||||
static bool ignore_oc = 0;
|
||||
+#endif
|
||||
module_param (ignore_oc, bool, S_IRUGO);
|
||||
MODULE_PARM_DESC (ignore_oc, "ignore bogus hardware overcurrent indications");
|
||||
|
||||
@ -0,0 +1,10 @@ |
||||
--- a/arch/arm/mach-gemini/board-wbd222.c
|
||||
+++ b/arch/arm/mach-gemini/board-wbd222.c
|
||||
@@ -147,6 +147,7 @@ static void __init wbd222_init(void)
|
||||
platform_register_watchdog();
|
||||
platform_device_register(&wbd222_phy_device);
|
||||
platform_register_ethernet(&gmac_data);
|
||||
+ platform_register_usb(0);
|
||||
}
|
||||
|
||||
MACHINE_START(WBD222, "Wiliboard WBD-222")
|
||||
@ -0,0 +1,10 @@ |
||||
--- a/arch/arm/mach-gemini/board-rut1xx.c
|
||||
+++ b/arch/arm/mach-gemini/board-rut1xx.c
|
||||
@@ -105,6 +105,7 @@ static void __init rut1xx_init(void)
|
||||
platform_register_watchdog();
|
||||
platform_device_register(&rut1xx_phy_device);
|
||||
platform_register_ethernet(&gmac_data);
|
||||
+ platform_register_usb(0);
|
||||
}
|
||||
|
||||
MACHINE_START(RUT100, "Teltonika RUT100")
|
||||
@ -0,0 +1,11 @@ |
||||
--- a/arch/arm/mach-gemini/board-nas4220b.c
|
||||
+++ b/arch/arm/mach-gemini/board-nas4220b.c
|
||||
@@ -96,6 +96,8 @@ static void __init ib4220b_init(void)
|
||||
platform_device_register(&ib4220b_key_device);
|
||||
platform_register_rtc();
|
||||
platform_register_watchdog();
|
||||
+ platform_register_usb(0);
|
||||
+ platform_register_usb(1);
|
||||
}
|
||||
|
||||
MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B")
|
||||
@ -0,0 +1,389 @@ |
||||
--- a/arch/arm/Kconfig
|
||||
+++ b/arch/arm/Kconfig
|
||||
@@ -381,6 +381,7 @@ config ARCH_GEMINI
|
||||
select ARCH_USES_GETTIMEOFFSET
|
||||
select NEED_MACH_GPIO_H
|
||||
select CPU_FA526
|
||||
+ select MIGHT_HAVE_PCI
|
||||
help
|
||||
Support for the Cortina Systems Gemini family SoCs
|
||||
|
||||
--- a/arch/arm/mach-gemini/include/mach/hardware.h
|
||||
+++ b/arch/arm/mach-gemini/include/mach/hardware.h
|
||||
@@ -71,4 +71,9 @@
|
||||
*/
|
||||
#define IO_ADDRESS(x) IOMEM((((x) & 0xFFF00000) >> 4) | ((x) & 0x000FFFFF) | 0xF0000000)
|
||||
|
||||
+/*
|
||||
+ * PCI subsystem macros
|
||||
+ */
|
||||
+#define pcibios_assign_all_busses() 1
|
||||
+
|
||||
#endif
|
||||
--- a/arch/arm/mach-gemini/include/mach/irqs.h
|
||||
+++ b/arch/arm/mach-gemini/include/mach/irqs.h
|
||||
@@ -43,11 +43,14 @@
|
||||
|
||||
#define NORMAL_IRQ_NUM 32
|
||||
|
||||
-#define GPIO_IRQ_BASE NORMAL_IRQ_NUM
|
||||
+#define PCI_IRQ_BASE NORMAL_IRQ_NUM
|
||||
+#define PCI_IRQ_NUM 4
|
||||
+
|
||||
+#define GPIO_IRQ_BASE (NORMAL_IRQ_NUM + PCI_IRQ_NUM)
|
||||
#define GPIO_IRQ_NUM (3 * 32)
|
||||
|
||||
#define ARCH_TIMER_IRQ IRQ_TIMER2
|
||||
|
||||
-#define NR_IRQS (NORMAL_IRQ_NUM + GPIO_IRQ_NUM)
|
||||
+#define NR_IRQS (NORMAL_IRQ_NUM + PCI_IRQ_NUM + GPIO_IRQ_NUM)
|
||||
|
||||
#endif /* __MACH_IRQS_H__ */
|
||||
--- a/arch/arm/mach-gemini/Makefile
|
||||
+++ b/arch/arm/mach-gemini/Makefile
|
||||
@@ -6,6 +6,8 @@
|
||||
|
||||
obj-y := irq.o mm.o time.o devices.o gpio.o idle.o reset.o
|
||||
|
||||
+obj-$(CONFIG_PCI) += pci.o
|
||||
+
|
||||
# Board-specific support
|
||||
obj-$(CONFIG_MACH_NAS4220B) += board-nas4220b.o
|
||||
obj-$(CONFIG_MACH_RUT100) += board-rut1xx.o
|
||||
--- a/arch/arm/mach-gemini/mm.c
|
||||
+++ b/arch/arm/mach-gemini/mm.c
|
||||
@@ -59,6 +59,11 @@ static struct map_desc gemini_io_desc[]
|
||||
.length = SZ_512K,
|
||||
.type = MT_DEVICE,
|
||||
}, {
|
||||
+ .virtual = (unsigned long)IO_ADDRESS(GEMINI_PCI_IO_BASE),
|
||||
+ .pfn = __phys_to_pfn(GEMINI_PCI_IO_BASE),
|
||||
+ .length = SZ_512K,
|
||||
+ .type = MT_DEVICE,
|
||||
+ }, {
|
||||
.virtual = (unsigned long)IO_ADDRESS(GEMINI_FLASH_CTRL_BASE),
|
||||
.pfn = __phys_to_pfn(GEMINI_FLASH_CTRL_BASE),
|
||||
.length = SZ_512K,
|
||||
--- /dev/null
|
||||
+++ b/arch/arm/mach-gemini/pci.c
|
||||
@@ -0,0 +1,320 @@
|
||||
+/*
|
||||
+ * Support for Gemini PCI Controller
|
||||
+ *
|
||||
+ * Copyright (C) 2009 Janos Laube <janos.dev@gmail.com>
|
||||
+ * Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
|
||||
+ *
|
||||
+ * based on SL2312 PCI controller code
|
||||
+ * Storlink (C) 2003
|
||||
+ *
|
||||
+ * This program is free software; you can redistribute it and/or modify
|
||||
+ * it under the terms of the GNU General Public License as published by
|
||||
+ * the Free Software Foundation; either version 2 of the License, or
|
||||
+ * (at your option) any later version.
|
||||
+ */
|
||||
+
|
||||
+#include <linux/kernel.h>
|
||||
+#include <linux/pci.h>
|
||||
+#include <linux/irq.h>
|
||||
+#include <linux/gpio.h>
|
||||
+
|
||||
+#include <asm/mach/pci.h>
|
||||
+
|
||||
+#include <mach/irqs.h>
|
||||
+#include <mach/hardware.h>
|
||||
+
|
||||
+#define GEMINI_PCI_IOSIZE_1M 0x0000
|
||||
+
|
||||
+#define GEMINI_PCI_PMC 0x40
|
||||
+#define GEMINI_PCI_PMCSR 0x44
|
||||
+#define GEMINI_PCI_CTRL1 0x48
|
||||
+#define GEMINI_PCI_CTRL2 0x4C
|
||||
+#define GEMINI_PCI_MEM1_BASE_SIZE 0x50
|
||||
+#define GEMINI_PCI_MEM2_BASE_SIZE 0x54
|
||||
+#define GEMINI_PCI_MEM3_BASE_SIZE 0x58
|
||||
+
|
||||
+#define PCI_CTRL2_INTSTS_OFFSET 28
|
||||
+#define PCI_CTRL2_INTMASK_OFFSET 22
|
||||
+
|
||||
+#define GEMINI_PCI_DMA_MASK 0xFFF00000
|
||||
+#define GEMINI_PCI_DMA_MEM1_BASE 0x00000000
|
||||
+#define GEMINI_PCI_DMA_MEM2_BASE 0x00000000
|
||||
+#define GEMINI_PCI_DMA_MEM3_BASE 0x00000000
|
||||
+#define GEMINI_PCI_DMA_MEM1_SIZE 7
|
||||
+#define GEMINI_PCI_DMA_MEM2_SIZE 6
|
||||
+#define GEMINI_PCI_DMA_MEM3_SIZE 6
|
||||
+
|
||||
+#define PCI_CONF_ENABLE (1 << 31)
|
||||
+#define PCI_CONF_WHERE(r) ((r) & 0xFC)
|
||||
+#define PCI_CONF_BUS(b) (((b) & 0xFF) << 16)
|
||||
+#define PCI_CONF_DEVICE(d) (((d) & 0x1F) << 11)
|
||||
+#define PCI_CONF_FUNCTION(f) (((f) & 0x07) << 8)
|
||||
+
|
||||
+#define PCI_IOSIZE_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE))
|
||||
+#define PCI_PROT_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x04)
|
||||
+#define PCI_CTRL_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x08)
|
||||
+#define PCI_SOFTRST_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x10)
|
||||
+#define PCI_CONFIG_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x28)
|
||||
+#define PCI_DATA_REG (IO_ADDRESS(GEMINI_PCI_IO_BASE) + 0x2C)
|
||||
+
|
||||
+
|
||||
+static DEFINE_SPINLOCK(gemini_pci_lock);
|
||||
+
|
||||
+static int gemini_pci_read_config(struct pci_bus* bus, unsigned int fn,
|
||||
+ int config, int size, u32* value)
|
||||
+{
|
||||
+ unsigned long irq_flags;
|
||||
+
|
||||
+ spin_lock_irqsave(&gemini_pci_lock, irq_flags);
|
||||
+
|
||||
+ __raw_writel(PCI_CONF_BUS(bus->number) |
|
||||
+ PCI_CONF_DEVICE(PCI_SLOT(fn)) |
|
||||
+ PCI_CONF_FUNCTION(PCI_FUNC(fn)) |
|
||||
+ PCI_CONF_WHERE(config) |
|
||||
+ PCI_CONF_ENABLE,
|
||||
+ PCI_CONFIG_REG);
|
||||
+
|
||||
+ *value = __raw_readl(PCI_DATA_REG);
|
||||
+
|
||||
+ if (size == 1)
|
||||
+ *value = (*value >> (8 * (config & 3))) & 0xFF;
|
||||
+ else if (size == 2)
|
||||
+ *value = (*value >> (8 * (config & 3))) & 0xFFFF;
|
||||
+
|
||||
+ spin_unlock_irqrestore(&gemini_pci_lock, irq_flags);
|
||||
+
|
||||
+ dev_dbg(&bus->dev,
|
||||
+ "[read] slt: %.2d, fnc: %d, cnf: 0x%.2X, val (%d bytes): 0x%.8X\n",
|
||||
+ PCI_SLOT(fn), PCI_FUNC(fn), config, size, *value);
|
||||
+
|
||||
+ return PCIBIOS_SUCCESSFUL;
|
||||
+}
|
||||
+
|
||||
+static int gemini_pci_write_config(struct pci_bus* bus, unsigned int fn,
|
||||
+ int config, int size, u32 value)
|
||||
+{
|
||||
+ unsigned long irq_flags = 0;
|
||||
+ int ret = PCIBIOS_SUCCESSFUL;
|
||||
+
|
||||
+ dev_dbg(&bus->dev,
|
||||
+ "[write] slt: %.2d, fnc: %d, cnf: 0x%.2X, val (%d bytes): 0x%.8X\n",
|
||||
+ PCI_SLOT(fn), PCI_FUNC(fn), config, size, value);
|
||||
+
|
||||
+ spin_lock_irqsave(&gemini_pci_lock, irq_flags);
|
||||
+
|
||||
+ __raw_writel(PCI_CONF_BUS(bus->number) |
|
||||
+ PCI_CONF_DEVICE(PCI_SLOT(fn)) |
|
||||
+ PCI_CONF_FUNCTION(PCI_FUNC(fn)) |
|
||||
+ PCI_CONF_WHERE(config) |
|
||||
+ PCI_CONF_ENABLE,
|
||||
+ PCI_CONFIG_REG);
|
||||
+
|
||||
+ switch(size) {
|
||||
+ case 4:
|
||||
+ __raw_writel(value, PCI_DATA_REG);
|
||||
+ break;
|
||||
+ case 2:
|
||||
+ __raw_writew(value, PCI_DATA_REG + (config & 3));
|
||||
+ break;
|
||||
+ case 1:
|
||||
+ __raw_writeb(value, PCI_DATA_REG + (config & 3));
|
||||
+ break;
|
||||
+ default:
|
||||
+ ret = PCIBIOS_BAD_REGISTER_NUMBER;
|
||||
+ }
|
||||
+
|
||||
+ spin_unlock_irqrestore(&gemini_pci_lock, irq_flags);
|
||||
+
|
||||
+ return ret;
|
||||
+}
|
||||
+
|
||||
+static struct pci_ops gemini_pci_ops = {
|
||||
+ .read = gemini_pci_read_config,
|
||||
+ .write = gemini_pci_write_config,
|
||||
+};
|
||||
+
|
||||
+static struct resource gemini_pci_resource_io = {
|
||||
+ .name = "PCI I/O Space",
|
||||
+ .start = GEMINI_PCI_IO_BASE,
|
||||
+ .end = GEMINI_PCI_IO_BASE + SZ_1M - 1,
|
||||
+ .flags = IORESOURCE_IO,
|
||||
+};
|
||||
+
|
||||
+static struct resource gemini_pci_resource_mem = {
|
||||
+ .name = "PCI Memory Space",
|
||||
+ .start = GEMINI_PCI_MEM_BASE,
|
||||
+ .end = GEMINI_PCI_MEM_BASE + SZ_128M - 1,
|
||||
+ .flags = IORESOURCE_MEM,
|
||||
+};
|
||||
+
|
||||
+static int __init gemini_pci_request_resources(struct pci_sys_data *sys)
|
||||
+{
|
||||
+ if (request_resource(&ioport_resource, &gemini_pci_resource_io))
|
||||
+ goto bad_resources;
|
||||
+ if (request_resource(&iomem_resource, &gemini_pci_resource_mem))
|
||||
+ goto bad_resources;
|
||||
+
|
||||
+ pci_add_resource(&sys->resources, &gemini_pci_resource_io);
|
||||
+ pci_add_resource(&sys->resources, &gemini_pci_resource_mem);
|
||||
+
|
||||
+ return 0;
|
||||
+
|
||||
+bad_resources:
|
||||
+ pr_err("Gemini PCI: request_resource() failed. "
|
||||
+ "Abort PCI bus enumeration.\n");
|
||||
+ return -1;
|
||||
+}
|
||||
+
|
||||
+static int __init gemini_pci_setup(int nr, struct pci_sys_data *sys)
|
||||
+{
|
||||
+ unsigned int cmd;
|
||||
+
|
||||
+ pcibios_min_io = 0x100;
|
||||
+ pcibios_min_mem = 0;
|
||||
+
|
||||
+ if ((nr > 0) || gemini_pci_request_resources(sys))
|
||||
+ return 0;
|
||||
+
|
||||
+ /* setup I/O space to 1MB size */
|
||||
+ __raw_writel(GEMINI_PCI_IOSIZE_1M, PCI_IOSIZE_REG);
|
||||
+
|
||||
+ /* setup hostbridge */
|
||||
+ cmd = __raw_readl(PCI_CTRL_REG);
|
||||
+ cmd |= PCI_COMMAND_IO;
|
||||
+ cmd |= PCI_COMMAND_MEMORY;
|
||||
+ cmd |= PCI_COMMAND_MASTER;
|
||||
+ __raw_writel(cmd, PCI_CTRL_REG);
|
||||
+
|
||||
+ return 1;
|
||||
+}
|
||||
+
|
||||
+static struct pci_bus* __init gemini_pci_scan_bus(int nr, struct pci_sys_data* sys)
|
||||
+{
|
||||
+ unsigned int reg = 0;
|
||||
+ struct pci_bus* bus = 0;
|
||||
+
|
||||
+ bus = pci_scan_bus(nr, &gemini_pci_ops, sys);
|
||||
+ if (bus) {
|
||||
+ dev_dbg(&bus->dev, "setting up PCI DMA\n");
|
||||
+ reg = (GEMINI_PCI_DMA_MEM1_BASE & GEMINI_PCI_DMA_MASK)
|
||||
+ | (GEMINI_PCI_DMA_MEM1_SIZE << 16);
|
||||
+ gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM1_BASE_SIZE, 4, reg);
|
||||
+ reg = (GEMINI_PCI_DMA_MEM2_BASE & GEMINI_PCI_DMA_MASK)
|
||||
+ | (GEMINI_PCI_DMA_MEM2_SIZE << 16);
|
||||
+ gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM2_BASE_SIZE, 4, reg);
|
||||
+ reg = (GEMINI_PCI_DMA_MEM3_BASE & GEMINI_PCI_DMA_MASK)
|
||||
+ | (GEMINI_PCI_DMA_MEM3_SIZE << 16);
|
||||
+ gemini_pci_write_config(bus, 0, GEMINI_PCI_MEM3_BASE_SIZE, 4, reg);
|
||||
+ }
|
||||
+
|
||||
+ return bus;
|
||||
+}
|
||||
+
|
||||
+/* Should work with all boards based on original Storlink EVB */
|
||||
+static int __init gemini_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
|
||||
+{
|
||||
+ if (slot < 9 || slot > 12)
|
||||
+ return -1;
|
||||
+
|
||||
+ return PCI_IRQ_BASE + (((slot - 9) + (pin - 1)) & 0x3);
|
||||
+}
|
||||
+
|
||||
+static struct hw_pci gemini_hw_pci __initdata = {
|
||||
+ .nr_controllers = 1,
|
||||
+ .setup = gemini_pci_setup,
|
||||
+ .scan = gemini_pci_scan_bus,
|
||||
+ .map_irq = gemini_pci_map_irq,
|
||||
+};
|
||||
+
|
||||
+/* we need this for muxed PCI interrupts handling */
|
||||
+static struct pci_bus bogus_pci_bus;
|
||||
+
|
||||
+static void gemini_pci_ack_irq(struct irq_data *d)
|
||||
+{
|
||||
+ unsigned int irq = d->irq;
|
||||
+ unsigned int reg;
|
||||
+
|
||||
+ gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, ®);
|
||||
+ reg &= ~(0xF << PCI_CTRL2_INTSTS_OFFSET);
|
||||
+ reg |= 1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTSTS_OFFSET);
|
||||
+ gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
|
||||
+}
|
||||
+
|
||||
+static void gemini_pci_mask_irq(struct irq_data *d)
|
||||
+{
|
||||
+ unsigned int irq = d->irq;
|
||||
+ unsigned int reg;
|
||||
+
|
||||
+ gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, ®);
|
||||
+ reg &= ~((0xF << PCI_CTRL2_INTSTS_OFFSET)
|
||||
+ | (1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTMASK_OFFSET)));
|
||||
+ gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
|
||||
+}
|
||||
+
|
||||
+static void gemini_pci_unmask_irq(struct irq_data *d)
|
||||
+{
|
||||
+ unsigned int irq = d->irq;
|
||||
+ unsigned int reg;
|
||||
+
|
||||
+ gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, ®);
|
||||
+ reg &= ~(0xF << PCI_CTRL2_INTSTS_OFFSET);
|
||||
+ reg |= 1 << (irq - PCI_IRQ_BASE + PCI_CTRL2_INTMASK_OFFSET);
|
||||
+ gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, reg);
|
||||
+}
|
||||
+
|
||||
+static void gemini_pci_irq_handler(unsigned int irq, struct irq_desc *desc)
|
||||
+{
|
||||
+ unsigned int pci_irq_no, irq_stat, reg, i;
|
||||
+
|
||||
+ gemini_pci_read_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2, 4, ®);
|
||||
+ irq_stat = reg >> PCI_CTRL2_INTSTS_OFFSET;
|
||||
+
|
||||
+ for (i = 0; i < 4; i++) {
|
||||
+
|
||||
+ if ((irq_stat & (1 << i)) == 0)
|
||||
+ continue;
|
||||
+
|
||||
+ pci_irq_no = PCI_IRQ_BASE + i;
|
||||
+
|
||||
+ BUG_ON(!(irq_desc[pci_irq_no].handle_irq));
|
||||
+ irq_desc[pci_irq_no].handle_irq(pci_irq_no,
|
||||
+ &irq_desc[pci_irq_no]);
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
+static struct irq_chip gemini_pci_irq_chip = {
|
||||
+ .name = "PCI",
|
||||
+ .irq_ack = gemini_pci_ack_irq,
|
||||
+ .irq_mask = gemini_pci_mask_irq,
|
||||
+ .irq_unmask = gemini_pci_unmask_irq,
|
||||
+};
|
||||
+
|
||||
+static int __init gemini_pci_init(void)
|
||||
+{
|
||||
+ int i;
|
||||
+
|
||||
+ for (i = 72; i <= 95; i++)
|
||||
+ gpio_request(i, "PCI");
|
||||
+
|
||||
+ /* initialize our bogus bus */
|
||||
+ dev_set_name(&bogus_pci_bus.dev, "PCI IRQ handler");
|
||||
+ bogus_pci_bus.number = 0;
|
||||
+
|
||||
+ /* mask and clear all interrupts */
|
||||
+ gemini_pci_write_config(&bogus_pci_bus, 0, GEMINI_PCI_CTRL2 + 2, 2,
|
||||
+ 0xF000);
|
||||
+
|
||||
+ for (i = PCI_IRQ_BASE; i < PCI_IRQ_BASE + 4; i++) {
|
||||
+ irq_set_chip_and_handler(i, &gemini_pci_irq_chip,
|
||||
+ handle_level_irq);
|
||||
+ set_irq_flags(i, IRQF_VALID);
|
||||
+ }
|
||||
+
|
||||
+ irq_set_chained_handler(IRQ_PCI, gemini_pci_irq_handler);
|
||||
+
|
||||
+ pci_common_init(&gemini_hw_pci);
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+subsys_initcall(gemini_pci_init);
|
||||
Loading…
Reference in new issue