| Message ID | 1321494612-24795-1-git-send-email-richard.zhao@linaro.org |
|---|---|
| State | New |
| Headers | show |
On Thu, Nov 17, 2011 at 9:50 AM, Richard Zhao <richard.zhao@linaro.org> wrote: > If the map is in machine_desc.timer.init, the registers will not be > able to access after bootup (probably after "Freeing init memory"). Given that devicemaps_init() does additional work after creating the mapping, flushing TLB and cache, machine_desc->map_io() is what I assume the best place for these static IO mappings than elsewhere. Shawn? > > Error log: > Freeing init memory: 112K > Unable to handle kernel paging request at virtual address f42c4024 > pgd = ebb70000 > [f42c4024] *pgd=3bff6841, *pte=00007911, *ppte=1393f240 > Internal error: Oops: 27 [#1] PREEMPT > Modules linked in: > CPU: 0 Not tainted (3.2.0-rc1-00286-gd291ffb #77) > PC is at _clk_get_rate+0x4c/0x10c > LR is at clk_get_rate+0x40/0x50 > pc : [<c0018798>] lr : [<c00190a4>] psr: 60000013 > sp : ebb63d78 ip : c02f668c fp : bee4da2c > r10: c042f54c r9 : eb9e8400 r8 : 00000000 > r7 : 00000000 r6 : eb921b60 r5 : 00000000 r4 : 0000003f > r3 : f42c4024 r2 : c041b4f0 r1 : c041a404 r0 : c041a404 > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user > Control: 10c53c7d Table: 3bb70059 DAC: 00000015 > Process modprobe (pid: 273, stack limit = 0xebb622e8) > Stack: (0xebb63d78 to 0xebb64000) > 3d60: c001874c eb921b60 > 3d80: eb9e8400 c00190a4 c0196fa8 c0196f48 c0196fa8 eb921b60 eb9e8400 c0196fb8 > 3da0: 00000000 00000000 eb9e8400 eb890150 eb9e8400 eb921b60 00000000 c0193d68 > 3dc0: eb890150 eb9e8400 eb890180 eb83ea20 ebb62000 c0194db0 eb879a80 00500001 > 3de0: eb83ea20 00000001 ebb62000 c018a838 00000101 eb425810 c008ccac 00000003 > 3e00: eb8e3c80 ebb62000 eb425810 eb83ea20 c044792c 00000000 c044792c 00000000 > 3e20: bee4da2c c008d508 00000000 00000000 eb83ea20 eb426f58 eb80e3a0 eb425810 > 3e40: c008d3fc 00000000 00000000 c00881f0 ebb63ef8 00000101 eb425810 00000022 > 3e60: 00000000 00000000 00000000 c0096884 eb4064d8 c042b298 bee4da2c eb40fed0 > 3e80: 0000002f eb425810 ebb63ef8 ebb63f78 00000000 ebb63eb4 ebb62000 ebb62000 > 3ea0: 00000000 c0096e28 ebb63ec4 eb802f60 00000002 eb80e3a0 eb426f58 c02c558c > 3ec0: eb802f60 00000000 00000020 00000001 ebb63f78 ebb53000 ffffff9c ffffff9c > 3ee0: ebb62000 00000000 bee4da2c c00971e4 00000041 ebb2bba0 eb80e3a0 eb426f58 > 3f00: 05b6719b 00000007 ebb53005 eb80e3a0 eb401318 eb425810 00000101 00000000 > 3f20: 00000000 00000000 c04166a0 403acafc 40000013 c0086fbc eb8178c0 eb8178c8 > 3f40: 00000000 ebb62000 bee4da2c 00000101 00000000 00000000 403be000 ebb53000 > 3f60: 00000101 00000000 00000001 c0088f74 00000000 eb8178c0 00000101 00000000 > 3f80: 00000022 00000100 ebb62000 0001a2d8 00000014 403be000 00000005 c000df68 > 3fa0: 00000000 c000ddc0 0001a2d8 00000014 403acafc 00000101 00000000 0000000a > 3fc0: 0001a2d8 00000014 403be000 00000005 00000001 00000002 0000ed98 bee4da2c > 3fe0: 00000000 bee4d96c 4036cb75 4036494c 60000010 403acafc 3bffe821 3bffec21 > [<c0018798>] (_clk_get_rate+0x4c/0x10c) from [<c00190a4>] (clk_get_rate+0x40/0x50) > [<c00190a4>] (clk_get_rate+0x40/0x50) from [<c0196f48>] (imx_setup_ufcr.isra.5+0x10/0x70) > [<c0196f48>] (imx_setup_ufcr.isra.5+0x10/0x70) from [<c0196fb8>] (imx_startup+0x10/0x260) > [<c0196fb8>] (imx_startup+0x10/0x260) from [<c0193d68>] (uart_startup+0x64/0x20c) > [<c0193d68>] (uart_startup+0x64/0x20c) from [<c0194db0>] (uart_open+0xd4/0x140) > [<c0194db0>] (uart_open+0xd4/0x140) from [<c018a838>] (tty_open+0x1d0/0x49c) > [<c018a838>] (tty_open+0x1d0/0x49c) from [<c008d508>] (chrdev_open+0x10c/0x1ec) > [<c008d508>] (chrdev_open+0x10c/0x1ec) from [<c00881f0>] (__dentry_open.isra.16+0x228/0x2ec) > [<c00881f0>] (__dentry_open.isra.16+0x228/0x2ec) from [<c0096884>] (do_last.isra.40+0x31c/0x6c8) > [<c0096884>] (do_last.isra.40+0x31c/0x6c8) from [<c0096e28>] (path_openat+0xb8/0x38c) > [<c0096e28>] (path_openat+0xb8/0x38c) from [<c00971e4>] (do_filp_open+0x2c/0x80) > [<c00971e4>] (do_filp_open+0x2c/0x80) from [<c0088f74>] (do_sys_open+0xdc/0x174) > [<c0088f74>] (do_sys_open+0xdc/0x174) from [<c000ddc0>] (ret_fast_syscall+0x0/0x30) > Code: 1afffff9 e5923004 e592500c e5924014 (e5933000) > ---[ end trace e6f14f4cf9b4ac85 ]--- > > Signed-off-by: Richard Zhao <richard.zhao@linaro.org> > --- > arch/arm/mach-imx/clock-imx6q.c | 8 -------- > arch/arm/mach-imx/mach-imx6q.c | 7 +++++++ > 2 files changed, 7 insertions(+), 8 deletions(-) > > diff --git a/arch/arm/mach-imx/clock-imx6q.c b/arch/arm/mach-imx/clock-imx6q.c > index 613a1b9..a9351eb 100644 > --- a/arch/arm/mach-imx/clock-imx6q.c > +++ b/arch/arm/mach-imx/clock-imx6q.c > @@ -19,7 +19,6 @@ > #include <linux/of_address.h> > #include <linux/of_irq.h> > #include <asm/div64.h> > -#include <asm/mach/map.h> > #include <mach/clock.h> > #include <mach/common.h> > #include <mach/hardware.h> > @@ -1948,19 +1947,12 @@ int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode) > return 0; > } > > -static struct map_desc imx6q_clock_desc[] = { > - imx_map_entry(MX6Q, CCM, MT_DEVICE), > - imx_map_entry(MX6Q, ANATOP, MT_DEVICE), > -}; > - > int __init mx6q_clocks_init(void) > { > struct device_node *np; > void __iomem *base; > int i, irq; > > - iotable_init(imx6q_clock_desc, ARRAY_SIZE(imx6q_clock_desc)); > - > /* retrieve the freqency of fixed clocks from device tree */ > for_each_compatible_node(np, NULL, "fixed-clock") { > u32 rate; > diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c > index 8bf5fa3..a1bc9f7 100644 > --- a/arch/arm/mach-imx/mach-imx6q.c > +++ b/arch/arm/mach-imx/mach-imx6q.c > @@ -20,6 +20,7 @@ > #include <asm/hardware/gic.h> > #include <asm/mach/arch.h> > #include <asm/mach/time.h> > +#include <asm/mach/map.h> > #include <mach/common.h> > #include <mach/hardware.h> > > @@ -30,10 +31,16 @@ static void __init imx6q_init_machine(void) > imx6q_pm_init(); > } > > +static struct map_desc imx6q_clock_desc[] = { > + imx_map_entry(MX6Q, CCM, MT_DEVICE), > + imx_map_entry(MX6Q, ANATOP, MT_DEVICE), > +}; > + > static void __init imx6q_map_io(void) > { > imx_lluart_map_io(); > imx_scu_map_io(); > + iotable_init(imx6q_clock_desc, ARRAY_SIZE(imx6q_clock_desc)); > } > > static void __init imx6q_gpio_add_irq_domain(struct device_node *np, > -- > 1.7.5.4 > > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >
# It seems like caused by different defconfig. past my one. # # Automatically generated file; DO NOT EDIT. # Linux/arm 3.2.0-rc1 Kernel Configuration # CONFIG_ARM=y CONFIG_HAVE_PWM=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y CONFIG_HAVE_SCHED_CLOCK=y CONFIG_GENERIC_GPIO=y # CONFIG_ARCH_USES_GETTIMEOFFSET is not set CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_KTIME_SCALAR=y CONFIG_HAVE_PROC_CPU=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_HAVE_LATENCYTOP_SUPPORT=y CONFIG_LOCKDEP_SUPPORT=y CONFIG_TRACE_IRQFLAGS_SUPPORT=y CONFIG_HARDIRQS_SW_RESEND=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_NEED_DMA_MAP_STATE=y CONFIG_FIQ=y CONFIG_VECTORS_BASE=0xffff0000 CONFIG_ARM_PATCH_PHYS_VIRT=y CONFIG_GENERIC_BUG=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" CONFIG_HAVE_IRQ_WORK=y # # General setup # CONFIG_EXPERIMENTAL=y CONFIG_BROKEN_ON_SMP=y CONFIG_INIT_ENV_ARG_LIMIT=32 CONFIG_CROSS_COMPILE="" CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_HAVE_KERNEL_GZIP=y CONFIG_HAVE_KERNEL_LZMA=y CONFIG_HAVE_KERNEL_LZO=y CONFIG_KERNEL_GZIP=y # CONFIG_KERNEL_LZMA is not set # CONFIG_KERNEL_LZO is not set CONFIG_DEFAULT_HOSTNAME="(none)" CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_SYSVIPC_SYSCTL=y # CONFIG_POSIX_MQUEUE is not set # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_FHANDLE is not set # CONFIG_TASKSTATS is not set # CONFIG_AUDIT is not set CONFIG_HAVE_GENERIC_HARDIRQS=y # # IRQ subsystem # CONFIG_GENERIC_HARDIRQS=y CONFIG_HAVE_SPARSE_IRQ=y CONFIG_GENERIC_IRQ_SHOW=y CONFIG_GENERIC_IRQ_CHIP=y CONFIG_IRQ_DOMAIN=y # CONFIG_SPARSE_IRQ is not set # # RCU Subsystem # CONFIG_TINY_PREEMPT_RCU=y CONFIG_PREEMPT_RCU=y # CONFIG_RCU_TRACE is not set # CONFIG_TREE_RCU_TRACE is not set # CONFIG_RCU_BOOST is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CGROUPS is not set # CONFIG_NAMESPACES is not set # CONFIG_SCHED_AUTOGROUP is not set # CONFIG_SYSFS_DEPRECATED is not set # CONFIG_RELAY is not set # CONFIG_BLK_DEV_INITRD is not set # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SYSCTL=y CONFIG_ANON_INODES=y CONFIG_EXPERT=y CONFIG_UID16=y # CONFIG_SYSCTL_SYSCALL is not set CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y CONFIG_SIGNALFD=y CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y CONFIG_AIO=y # CONFIG_EMBEDDED is not set CONFIG_HAVE_PERF_EVENTS=y CONFIG_PERF_USE_VMALLOC=y # # Kernel Performance Events And Counters # # CONFIG_PERF_EVENTS is not set # CONFIG_PERF_COUNTERS is not set CONFIG_VM_EVENT_COUNTERS=y CONFIG_COMPAT_BRK=y CONFIG_SLAB=y # CONFIG_SLUB is not set # CONFIG_SLOB is not set # CONFIG_PROFILING is not set CONFIG_HAVE_OPROFILE=y # CONFIG_KPROBES is not set CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y CONFIG_HAVE_CLK=y CONFIG_HAVE_DMA_API_DEBUG=y # # GCOV-based kernel profiling # CONFIG_HAVE_GENERIC_DMA_COHERENT=y CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y CONFIG_BASE_SMALL=0 CONFIG_MODULES=y # CONFIG_MODULE_FORCE_LOAD is not set CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y # CONFIG_MODULE_SRCVERSION_ALL is not set CONFIG_BLOCK=y CONFIG_LBDAF=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_BLK_DEV_BSGLIB is not set # CONFIG_BLK_DEV_INTEGRITY is not set # # IO Schedulers # CONFIG_IOSCHED_NOOP=y CONFIG_IOSCHED_DEADLINE=y CONFIG_IOSCHED_CFQ=y # CONFIG_DEFAULT_DEADLINE is not set CONFIG_DEFAULT_CFQ=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="cfq" # CONFIG_INLINE_SPIN_TRYLOCK is not set # CONFIG_INLINE_SPIN_TRYLOCK_BH is not set # CONFIG_INLINE_SPIN_LOCK is not set # CONFIG_INLINE_SPIN_LOCK_BH is not set # CONFIG_INLINE_SPIN_LOCK_IRQ is not set # CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set # CONFIG_INLINE_SPIN_UNLOCK is not set # CONFIG_INLINE_SPIN_UNLOCK_BH is not set # CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set # CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set # CONFIG_INLINE_READ_TRYLOCK is not set # CONFIG_INLINE_READ_LOCK is not set # CONFIG_INLINE_READ_LOCK_BH is not set # CONFIG_INLINE_READ_LOCK_IRQ is not set # CONFIG_INLINE_READ_LOCK_IRQSAVE is not set # CONFIG_INLINE_READ_UNLOCK is not set # CONFIG_INLINE_READ_UNLOCK_BH is not set # CONFIG_INLINE_READ_UNLOCK_IRQ is not set # CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set # CONFIG_INLINE_WRITE_TRYLOCK is not set # CONFIG_INLINE_WRITE_LOCK is not set # CONFIG_INLINE_WRITE_LOCK_BH is not set # CONFIG_INLINE_WRITE_LOCK_IRQ is not set # CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set # CONFIG_INLINE_WRITE_UNLOCK is not set # CONFIG_INLINE_WRITE_UNLOCK_BH is not set # CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set # CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set # CONFIG_MUTEX_SPIN_ON_OWNER is not set CONFIG_FREEZER=y # # System Type # CONFIG_MMU=y # CONFIG_ARCH_INTEGRATOR is not set # CONFIG_ARCH_REALVIEW is not set # CONFIG_ARCH_VERSATILE is not set # CONFIG_ARCH_VEXPRESS is not set # CONFIG_ARCH_AT91 is not set # CONFIG_ARCH_BCMRING is not set # CONFIG_ARCH_HIGHBANK is not set # CONFIG_ARCH_CLPS711X is not set # CONFIG_ARCH_CNS3XXX is not set # CONFIG_ARCH_GEMINI is not set # CONFIG_ARCH_PRIMA2 is not set # CONFIG_ARCH_EBSA110 is not set # CONFIG_ARCH_EP93XX is not set # CONFIG_ARCH_FOOTBRIDGE is not set CONFIG_ARCH_MXC=y # CONFIG_ARCH_MXS is not set # CONFIG_ARCH_NETX is not set # CONFIG_ARCH_H720X is not set # CONFIG_ARCH_IOP13XX is not set # CONFIG_ARCH_IOP32X is not set # CONFIG_ARCH_IOP33X is not set # CONFIG_ARCH_IXP23XX is not set # CONFIG_ARCH_IXP2000 is not set # CONFIG_ARCH_IXP4XX is not set # CONFIG_ARCH_DOVE is not set # CONFIG_ARCH_KIRKWOOD is not set # CONFIG_ARCH_LPC32XX is not set # CONFIG_ARCH_MV78XX0 is not set # CONFIG_ARCH_ORION5X is not set # CONFIG_ARCH_MMP is not set # CONFIG_ARCH_KS8695 is not set # CONFIG_ARCH_W90X900 is not set # CONFIG_ARCH_TEGRA is not set # CONFIG_ARCH_PICOXCELL is not set # CONFIG_ARCH_PNX4008 is not set # CONFIG_ARCH_PXA is not set # CONFIG_ARCH_MSM is not set # CONFIG_ARCH_SHMOBILE is not set # CONFIG_ARCH_RPC is not set # CONFIG_ARCH_SA1100 is not set # CONFIG_ARCH_S3C2410 is not set # CONFIG_ARCH_S3C64XX is not set # CONFIG_ARCH_S5P64X0 is not set # CONFIG_ARCH_S5PC100 is not set # CONFIG_ARCH_S5PV210 is not set # CONFIG_ARCH_EXYNOS is not set # CONFIG_ARCH_SHARK is not set # CONFIG_ARCH_TCC_926 is not set # CONFIG_ARCH_U300 is not set # CONFIG_ARCH_U8500 is not set # CONFIG_ARCH_NOMADIK is not set # CONFIG_ARCH_DAVINCI is not set # CONFIG_ARCH_OMAP is not set # CONFIG_PLAT_SPEAR is not set # CONFIG_ARCH_VT8500 is not set # CONFIG_ARCH_ZYNQ is not set # CONFIG_GPIO_PCA953X is not set # CONFIG_KEYBOARD_GPIO_POLLED is not set # # Freescale MXC Implementations # # CONFIG_ARCH_IMX_V4_V5 is not set CONFIG_ARCH_IMX_V6_V7=y # CONFIG_ARCH_MX5 is not set CONFIG_HAVE_IMX_GPC=y CONFIG_HAVE_IMX_MMDC=y CONFIG_HAVE_IMX_SRC=y # # MX31 platforms: # # CONFIG_MACH_MX31ADS is not set # CONFIG_MACH_MX31LILLY is not set # CONFIG_MACH_MX31LITE is not set # CONFIG_MACH_PCM037 is not set # CONFIG_MACH_MX31_3DS is not set # CONFIG_MACH_MX31MOBOARD is not set # CONFIG_MACH_QONG is not set # CONFIG_MACH_ARMADILLO5X0 is not set # CONFIG_MACH_KZM_ARM11_01 is not set # CONFIG_MACH_BUG is not set # # MX35 platforms: # # CONFIG_MACH_PCM043 is not set # CONFIG_MACH_MX35_3DS is not set # CONFIG_MACH_EUKREA_CPUIMX35 is not set # CONFIG_MACH_VPR200 is not set # # i.MX6 family: # CONFIG_SOC_IMX6Q=y CONFIG_MXC_IRQ_PRIOR=y CONFIG_MXC_PWM=y CONFIG_MXC_DEBUG_BOARD=y # # System MMU # # # Processor Type # CONFIG_CPU_V7=y CONFIG_CPU_32v6K=y CONFIG_CPU_32v7=y CONFIG_CPU_ABRT_EV7=y CONFIG_CPU_PABRT_V7=y CONFIG_CPU_CACHE_V7=y CONFIG_CPU_CACHE_VIPT=y CONFIG_CPU_COPY_V6=y CONFIG_CPU_TLB_V7=y CONFIG_CPU_HAS_ASID=y CONFIG_CPU_CP15=y CONFIG_CPU_CP15_MMU=y # # Processor Features # CONFIG_ARM_THUMB=y # CONFIG_ARM_THUMBEE is not set # CONFIG_SWP_EMULATE is not set # CONFIG_CPU_ICACHE_DISABLE is not set # CONFIG_CPU_DCACHE_DISABLE is not set # CONFIG_CPU_BPREDICT_DISABLE is not set CONFIG_OUTER_CACHE=y CONFIG_OUTER_CACHE_SYNC=y CONFIG_CACHE_L2X0=y CONFIG_CACHE_PL310=y CONFIG_ARM_L1_CACHE_SHIFT=5 CONFIG_ARM_DMA_MEM_BUFFERABLE=y CONFIG_CPU_HAS_PMU=y CONFIG_MULTI_IRQ_HANDLER=y # CONFIG_ARM_ERRATA_430973 is not set # CONFIG_ARM_ERRATA_458693 is not set # CONFIG_ARM_ERRATA_460075 is not set # CONFIG_PL310_ERRATA_588369 is not set # CONFIG_PL310_ERRATA_727915 is not set # CONFIG_ARM_ERRATA_743622 is not set # CONFIG_ARM_ERRATA_753970 is not set # CONFIG_ARM_ERRATA_754322 is not set CONFIG_ARM_GIC=y # # Bus support # # CONFIG_PCI_SYSCALL is not set # CONFIG_ARCH_SUPPORTS_MSI is not set # CONFIG_PCI_PRI is not set # CONFIG_PCCARD is not set # # Kernel Features # CONFIG_TICK_ONESHOT=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_GENERIC_CLOCKEVENTS_BUILD=y # CONFIG_SMP is not set CONFIG_HAVE_ARM_SCU=y CONFIG_VMSPLIT_3G=y # CONFIG_VMSPLIT_2G is not set # CONFIG_VMSPLIT_1G is not set CONFIG_PAGE_OFFSET=0xC0000000 # CONFIG_PREEMPT_NONE is not set # CONFIG_PREEMPT_VOLUNTARY is not set CONFIG_PREEMPT=y CONFIG_PREEMPT_COUNT=y CONFIG_HZ=100 # CONFIG_THUMB2_KERNEL is not set CONFIG_AEABI=y CONFIG_OABI_COMPAT=y # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set CONFIG_HAVE_ARCH_PFN_VALID=y # CONFIG_HIGHMEM is not set CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_HAVE_MEMBLOCK=y CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_COMPACTION is not set # CONFIG_PHYS_ADDR_T_64BIT is not set CONFIG_ZONE_DMA_FLAG=0 CONFIG_VIRT_TO_BUS=y # CONFIG_KSM is not set CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 CONFIG_NEED_PER_CPU_KM=y # CONFIG_CLEANCACHE is not set CONFIG_FORCE_MAX_ZONEORDER=11 CONFIG_ALIGNMENT_TRAP=y # CONFIG_UACCESS_WITH_MEMCPY is not set # CONFIG_SECCOMP is not set # CONFIG_CC_STACKPROTECTOR is not set # CONFIG_DEPRECATED_PARAM_STRUCT is not set # # Boot options # CONFIG_USE_OF=y CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_ARM_APPENDED_DTB=y CONFIG_ARM_ATAG_DTB_COMPAT=y CONFIG_CMDLINE="noinitrd console=ttymxc0,115200 root=/dev/mtdblock2 rw ip=off" CONFIG_CMDLINE_FROM_BOOTLOADER=y # CONFIG_CMDLINE_EXTEND is not set # CONFIG_CMDLINE_FORCE is not set # CONFIG_XIP_KERNEL is not set # CONFIG_KEXEC is not set # CONFIG_CRASH_DUMP is not set CONFIG_AUTO_ZRELADDR=y # # CPU Power Management # # CONFIG_CPU_IDLE is not set # # Floating point emulation # # # At least one emulation must be selected # # CONFIG_FPE_NWFPE is not set # CONFIG_FPE_FASTFPE is not set CONFIG_VFP=y CONFIG_VFPv3=y # CONFIG_NEON is not set # # Userspace binary formats # CONFIG_BINFMT_ELF=y CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y CONFIG_HAVE_AOUT=y # CONFIG_BINFMT_AOUT is not set # CONFIG_BINFMT_MISC is not set # # Power management options # CONFIG_SUSPEND=y CONFIG_SUSPEND_FREEZER=y CONFIG_PM_SLEEP=y # CONFIG_PM_RUNTIME is not set CONFIG_PM=y CONFIG_PM_DEBUG=y # CONFIG_PM_ADVANCED_DEBUG is not set # CONFIG_PM_TEST_SUSPEND is not set CONFIG_CAN_PM_TRACE=y # CONFIG_APM_EMULATION is not set CONFIG_PM_CLK=y CONFIG_CPU_PM=y CONFIG_ARCH_SUSPEND_POSSIBLE=y CONFIG_ARM_CPU_SUSPEND=y CONFIG_NET=y # # Networking options # CONFIG_PACKET=y CONFIG_UNIX=y # CONFIG_NET_KEY is not set CONFIG_INET=y # CONFIG_IP_MULTICAST is not set # CONFIG_IP_ADVANCED_ROUTER is not set CONFIG_IP_PNP=y CONFIG_IP_PNP_DHCP=y # CONFIG_IP_PNP_BOOTP is not set # CONFIG_IP_PNP_RARP is not set # CONFIG_NET_IPIP is not set # CONFIG_NET_IPGRE_DEMUX is not set # CONFIG_ARPD is not set # CONFIG_SYN_COOKIES is not set # CONFIG_INET_AH is not set # CONFIG_INET_ESP is not set # CONFIG_INET_IPCOMP is not set # CONFIG_INET_XFRM_TUNNEL is not set # CONFIG_INET_TUNNEL is not set # CONFIG_INET_XFRM_MODE_TRANSPORT is not set # CONFIG_INET_XFRM_MODE_TUNNEL is not set # CONFIG_INET_XFRM_MODE_BEET is not set # CONFIG_INET_LRO is not set # CONFIG_INET_DIAG is not set # CONFIG_TCP_CONG_ADVANCED is not set CONFIG_TCP_CONG_CUBIC=y CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_TCP_MD5SIG is not set # CONFIG_IPV6 is not set # CONFIG_NETWORK_SECMARK is not set # CONFIG_NETWORK_PHY_TIMESTAMPING is not set # CONFIG_NETFILTER is not set # CONFIG_IP_DCCP is not set # CONFIG_IP_SCTP is not set # CONFIG_RDS is not set # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_L2TP is not set # CONFIG_BRIDGE is not set # CONFIG_NET_DSA is not set # CONFIG_VLAN_8021Q is not set # CONFIG_DECNET is not set # CONFIG_LLC2 is not set # CONFIG_IPX is not set # CONFIG_ATALK is not set # CONFIG_X25 is not set # CONFIG_LAPB is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set # CONFIG_PHONET is not set # CONFIG_IEEE802154 is not set # CONFIG_NET_SCHED is not set # CONFIG_DCB is not set CONFIG_DNS_RESOLVER=y # CONFIG_BATMAN_ADV is not set # # Network testing # # CONFIG_NET_PKTGEN is not set # CONFIG_HAMRADIO is not set # CONFIG_CAN is not set # CONFIG_IRDA is not set # CONFIG_BT is not set # CONFIG_AF_RXRPC is not set CONFIG_WIRELESS=y # CONFIG_CFG80211 is not set # CONFIG_LIB80211 is not set # # CFG80211 needs to be enabled for MAC80211 # # CONFIG_WIMAX is not set # CONFIG_RFKILL is not set # CONFIG_RFKILL_REGULATOR is not set # CONFIG_NET_9P is not set # CONFIG_CAIF is not set # CONFIG_CEPH_LIB is not set # CONFIG_NFC is not set # # Device Drivers # # # Generic Driver Options # CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" # CONFIG_DEVTMPFS is not set CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y CONFIG_FW_LOADER=m CONFIG_FIRMWARE_IN_KERNEL=y CONFIG_EXTRA_FIRMWARE="" # CONFIG_DEBUG_DRIVER is not set # CONFIG_DEBUG_DEVRES is not set # CONFIG_SYS_HYPERVISOR is not set CONFIG_REGMAP=y CONFIG_REGMAP_I2C=y CONFIG_REGMAP_SPI=y # CONFIG_CONNECTOR is not set CONFIG_MTD=y # CONFIG_MTD_TESTS is not set # CONFIG_MTD_REDBOOT_PARTS is not set CONFIG_MTD_CMDLINE_PARTS=y # CONFIG_MTD_AFS_PARTS is not set # CONFIG_MTD_OF_PARTS is not set # CONFIG_MTD_AR7_PARTS is not set # # User Modules And Translation Layers # CONFIG_MTD_CHAR=y CONFIG_MTD_BLKDEVS=y CONFIG_MTD_BLOCK=y # CONFIG_FTL is not set # CONFIG_NFTL is not set # CONFIG_INFTL is not set # CONFIG_RFD_FTL is not set # CONFIG_SSFDC is not set # CONFIG_SM_FTL is not set # CONFIG_MTD_OOPS is not set # CONFIG_MTD_SWAP is not set # # RAM/ROM/Flash chip drivers # CONFIG_MTD_CFI=y # CONFIG_MTD_JEDECPROBE is not set CONFIG_MTD_GEN_PROBE=y # CONFIG_MTD_CFI_ADV_OPTIONS is not set CONFIG_MTD_MAP_BANK_WIDTH_1=y CONFIG_MTD_MAP_BANK_WIDTH_2=y CONFIG_MTD_MAP_BANK_WIDTH_4=y # CONFIG_MTD_MAP_BANK_WIDTH_8 is not set # CONFIG_MTD_MAP_BANK_WIDTH_16 is not set # CONFIG_MTD_MAP_BANK_WIDTH_32 is not set CONFIG_MTD_CFI_I1=y CONFIG_MTD_CFI_I2=y # CONFIG_MTD_CFI_I4 is not set # CONFIG_MTD_CFI_I8 is not set # CONFIG_MTD_CFI_INTELEXT is not set # CONFIG_MTD_CFI_AMDSTD is not set # CONFIG_MTD_CFI_STAA is not set CONFIG_MTD_CFI_UTIL=y # CONFIG_MTD_RAM is not set # CONFIG_MTD_ROM is not set # CONFIG_MTD_ABSENT is not set # # Mapping drivers for chip access # # CONFIG_MTD_COMPLEX_MAPPINGS is not set CONFIG_MTD_PHYSMAP=y # CONFIG_MTD_PHYSMAP_COMPAT is not set # CONFIG_MTD_PHYSMAP_OF is not set # CONFIG_MTD_PLATRAM is not set # # Self-contained MTD device drivers # # CONFIG_MTD_DATAFLASH is not set # CONFIG_MTD_M25P80 is not set # CONFIG_MTD_SST25L is not set # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set # CONFIG_MTD_BLOCK2MTD is not set # # Disk-On-Chip Device Drivers # # CONFIG_MTD_DOC2000 is not set # CONFIG_MTD_DOC2001 is not set # CONFIG_MTD_DOC2001PLUS is not set # CONFIG_MTD_DOCG3 is not set CONFIG_MTD_NAND_ECC=y # CONFIG_MTD_NAND_ECC_SMC is not set CONFIG_MTD_NAND=y # CONFIG_MTD_NAND_VERIFY_WRITE is not set # CONFIG_MTD_NAND_ECC_BCH is not set # CONFIG_MTD_SM_COMMON is not set # CONFIG_MTD_NAND_MUSEUM_IDS is not set # CONFIG_MTD_NAND_GPIO is not set CONFIG_MTD_NAND_IDS=y # CONFIG_MTD_NAND_DISKONCHIP is not set # CONFIG_MTD_NAND_NANDSIM is not set # CONFIG_MTD_NAND_PLATFORM is not set # CONFIG_MTD_ALAUDA is not set # CONFIG_MTD_ONENAND is not set # # LPDDR flash memory drivers # # CONFIG_MTD_LPDDR is not set CONFIG_MTD_UBI=y CONFIG_MTD_UBI_WL_THRESHOLD=4096 CONFIG_MTD_UBI_BEB_RESERVE=1 # CONFIG_MTD_UBI_GLUEBI is not set # CONFIG_MTD_UBI_DEBUG is not set CONFIG_DTC=y CONFIG_OF=y # # Device Tree and Open Firmware support # # CONFIG_PROC_DEVICETREE is not set CONFIG_OF_FLATTREE=y CONFIG_OF_EARLY_FLATTREE=y CONFIG_OF_ADDRESS=y CONFIG_OF_IRQ=y CONFIG_OF_DEVICE=y CONFIG_OF_GPIO=y CONFIG_OF_I2C=y CONFIG_OF_NET=y CONFIG_OF_SPI=y CONFIG_OF_MDIO=y # CONFIG_PARPORT is not set # CONFIG_BLK_DEV is not set # CONFIG_SENSORS_LIS3LV02D is not set CONFIG_MISC_DEVICES=y # CONFIG_AD525X_DPOT is not set # CONFIG_ATMEL_PWM is not set # CONFIG_ICS932S401 is not set # CONFIG_ENCLOSURE_SERVICES is not set # CONFIG_APDS9802ALS is not set # CONFIG_ISL29003 is not set # CONFIG_ISL29020 is not set # CONFIG_SENSORS_TSL2550 is not set # CONFIG_SENSORS_BH1780 is not set # CONFIG_SENSORS_BH1770 is not set # CONFIG_SENSORS_APDS990X is not set # CONFIG_HMC6352 is not set # CONFIG_DS1682 is not set # CONFIG_TI_DAC7512 is not set # CONFIG_BMP085 is not set # CONFIG_USB_SWITCH_FSA9480 is not set # CONFIG_C2PORT is not set # # EEPROM support # CONFIG_EEPROM_AT24=y # CONFIG_EEPROM_AT25 is not set # CONFIG_EEPROM_LEGACY is not set # CONFIG_EEPROM_MAX6875 is not set # CONFIG_EEPROM_93CX6 is not set # CONFIG_EEPROM_93XX46 is not set # CONFIG_IWMC3200TOP is not set # # Texas Instruments shared transport line discipline # # CONFIG_TI_ST is not set # CONFIG_SENSORS_LIS3_SPI is not set # CONFIG_SENSORS_LIS3_I2C is not set # # Altera FPGA firmware download module # # CONFIG_ALTERA_STAPL is not set # # SCSI device support # CONFIG_SCSI_MOD=y # CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set # CONFIG_SCSI_DMA is not set # CONFIG_SCSI_NETLINK is not set # CONFIG_ATA is not set # CONFIG_MD is not set CONFIG_NETDEVICES=y CONFIG_NET_CORE=y # CONFIG_BONDING is not set # CONFIG_DUMMY is not set # CONFIG_EQUALIZER is not set CONFIG_MII=y # CONFIG_MACVLAN is not set # CONFIG_NETCONSOLE is not set # CONFIG_NETPOLL is not set # CONFIG_NET_POLL_CONTROLLER is not set # CONFIG_TUN is not set # CONFIG_VETH is not set # # CAIF transport drivers # CONFIG_ETHERNET=y # CONFIG_NET_VENDOR_BROADCOM is not set # CONFIG_NET_VENDOR_CHELSIO is not set # CONFIG_DM9000 is not set # CONFIG_DNET is not set # CONFIG_NET_VENDOR_FARADAY is not set CONFIG_NET_VENDOR_FREESCALE=y CONFIG_FEC=y # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set # CONFIG_NET_VENDOR_MICREL is not set # CONFIG_NET_VENDOR_MICROCHIP is not set # CONFIG_NET_VENDOR_NATSEMI is not set # CONFIG_ETHOC is not set # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_SMSC is not set # CONFIG_NET_VENDOR_STMICRO is not set CONFIG_PHYLIB=y # # MII PHY device drivers # # CONFIG_MARVELL_PHY is not set # CONFIG_DAVICOM_PHY is not set # CONFIG_QSEMI_PHY is not set # CONFIG_LXT_PHY is not set # CONFIG_CICADA_PHY is not set # CONFIG_VITESSE_PHY is not set CONFIG_SMSC_PHY=y # CONFIG_BROADCOM_PHY is not set # CONFIG_ICPLUS_PHY is not set # CONFIG_REALTEK_PHY is not set # CONFIG_NATIONAL_PHY is not set # CONFIG_STE10XP is not set # CONFIG_LSI_ET1011C_PHY is not set # CONFIG_MICREL_PHY is not set # CONFIG_FIXED_PHY is not set # CONFIG_MDIO_BITBANG is not set # CONFIG_PPP is not set # CONFIG_SLIP is not set # # USB Network Adapters # # CONFIG_USB_CATC is not set # CONFIG_USB_KAWETH is not set # CONFIG_USB_PEGASUS is not set # CONFIG_USB_RTL8150 is not set # CONFIG_USB_USBNET is not set # CONFIG_USB_IPHETH is not set # CONFIG_WLAN is not set # # Enable WiMAX (Networking options) to see the WiMAX drivers # # CONFIG_WAN is not set # CONFIG_ISDN is not set # CONFIG_PHONE is not set # # Input device support # CONFIG_INPUT=y # CONFIG_INPUT_FF_MEMLESS is not set # CONFIG_INPUT_POLLDEV is not set # CONFIG_INPUT_SPARSEKMAP is not set # # Userland interfaces # # CONFIG_INPUT_MOUSEDEV is not set # CONFIG_INPUT_JOYDEV is not set # CONFIG_INPUT_EVDEV is not set # CONFIG_INPUT_EVBUG is not set # # Input Device Drivers # CONFIG_INPUT_KEYBOARD=y # CONFIG_KEYBOARD_ADP5588 is not set # CONFIG_KEYBOARD_ADP5589 is not set # CONFIG_KEYBOARD_ATKBD is not set # CONFIG_KEYBOARD_QT1070 is not set # CONFIG_KEYBOARD_QT2160 is not set # CONFIG_KEYBOARD_LKKBD is not set # CONFIG_KEYBOARD_GPIO is not set # CONFIG_KEYBOARD_TCA6416 is not set # CONFIG_KEYBOARD_MATRIX is not set # CONFIG_KEYBOARD_MAX7359 is not set # CONFIG_KEYBOARD_MCS is not set # CONFIG_KEYBOARD_MPR121 is not set CONFIG_KEYBOARD_IMX=y # CONFIG_KEYBOARD_NEWTON is not set # CONFIG_KEYBOARD_OPENCORES is not set # CONFIG_KEYBOARD_STOWAWAY is not set # CONFIG_KEYBOARD_SUNKBD is not set # CONFIG_KEYBOARD_XTKBD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_INPUT_JOYSTICK is not set # CONFIG_INPUT_TABLET is not set # CONFIG_INPUT_TOUCHSCREEN is not set # CONFIG_INPUT_MISC is not set # # Hardware I/O ports # # CONFIG_SERIO is not set # CONFIG_GAMEPORT is not set # # Character devices # # CONFIG_VT is not set CONFIG_UNIX98_PTYS=y # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set # CONFIG_LEGACY_PTYS is not set # CONFIG_SERIAL_NONSTANDARD is not set # CONFIG_N_GSM is not set # CONFIG_TRACE_SINK is not set CONFIG_DEVKMEM=y # # Serial drivers # CONFIG_SERIAL_8250=m CONFIG_SERIAL_8250_NR_UARTS=4 CONFIG_SERIAL_8250_RUNTIME_UARTS=4 CONFIG_SERIAL_8250_EXTENDED=y # CONFIG_SERIAL_8250_MANY_PORTS is not set CONFIG_SERIAL_8250_SHARE_IRQ=y # CONFIG_SERIAL_8250_DETECT_IRQ is not set # CONFIG_SERIAL_8250_RSA is not set # CONFIG_SERIAL_8250_DW is not set # # Non-8250 serial port support # # CONFIG_SERIAL_MAX3100 is not set # CONFIG_SERIAL_MAX3107 is not set CONFIG_SERIAL_IMX=y CONFIG_SERIAL_IMX_CONSOLE=y CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_OF_PLATFORM is not set # CONFIG_SERIAL_TIMBERDALE is not set # CONFIG_SERIAL_ALTERA_JTAGUART is not set # CONFIG_SERIAL_ALTERA_UART is not set # CONFIG_SERIAL_IFX6X60 is not set # CONFIG_SERIAL_XILINX_PS_UART is not set # CONFIG_TTY_PRINTK is not set # CONFIG_HVC_DCC is not set # CONFIG_IPMI_HANDLER is not set # CONFIG_HW_RANDOM is not set # CONFIG_R3964 is not set # CONFIG_RAW_DRIVER is not set # CONFIG_TCG_TPM is not set # CONFIG_RAMOOPS is not set # CONFIG_MXC_IIM is not set CONFIG_I2C=y CONFIG_I2C_BOARDINFO=y CONFIG_I2C_COMPAT=y CONFIG_I2C_CHARDEV=y # CONFIG_I2C_MUX is not set CONFIG_I2C_HELPER_AUTO=y # # I2C Hardware Bus support # # # I2C system bus drivers (mostly embedded / system-on-chip) # # CONFIG_I2C_DESIGNWARE_PLATFORM is not set # CONFIG_I2C_GPIO is not set CONFIG_I2C_IMX=y # CONFIG_I2C_OCORES is not set # CONFIG_I2C_PCA_PLATFORM is not set # CONFIG_I2C_PXA_PCI is not set # CONFIG_I2C_SIMTEC is not set # CONFIG_I2C_XILINX is not set # # External I2C/SMBus adapter drivers # # CONFIG_I2C_DIOLAN_U2C is not set # CONFIG_I2C_PARPORT_LIGHT is not set # CONFIG_I2C_TAOS_EVM is not set # CONFIG_I2C_TINY_USB is not set # # Other I2C/SMBus bus drivers # # CONFIG_I2C_STUB is not set # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_ALGO is not set # CONFIG_I2C_DEBUG_BUS is not set CONFIG_SPI=y # CONFIG_SPI_DEBUG is not set CONFIG_SPI_MASTER=y # # SPI Master Controller Drivers # # CONFIG_SPI_ALTERA is not set CONFIG_SPI_BITBANG=m # CONFIG_SPI_GPIO is not set CONFIG_SPI_IMX=m # CONFIG_SPI_OC_TINY is not set # CONFIG_SPI_PXA2XX_PCI is not set # CONFIG_SPI_XILINX is not set # CONFIG_SPI_DESIGNWARE is not set # # SPI Protocol Masters # # CONFIG_SPI_SPIDEV is not set # CONFIG_SPI_TLE62X0 is not set # # PPS support # # CONFIG_PPS is not set # # PPS generators support # # # PTP clock support # # # Enable Device Drivers -> PPS to see the PTP clock options. # # CONFIG_PINCTRL is not set CONFIG_ARCH_REQUIRE_GPIOLIB=y CONFIG_GPIOLIB=y # CONFIG_DEBUG_GPIO is not set # CONFIG_GPIO_SYSFS is not set CONFIG_GPIO_GENERIC=y # # Memory mapped GPIO drivers: # # CONFIG_GPIO_GENERIC_PLATFORM is not set # CONFIG_GPIO_IT8761E is not set CONFIG_GPIO_MXC=y # # I2C GPIO expanders: # # CONFIG_GPIO_MAX7300 is not set # CONFIG_GPIO_MAX732X is not set # CONFIG_GPIO_PCF857X is not set # CONFIG_GPIO_SX150X is not set # CONFIG_GPIO_WM8350 is not set # CONFIG_GPIO_ADP5588 is not set # # PCI GPIO expanders: # # # SPI GPIO expanders: # # CONFIG_GPIO_MAX7301 is not set # CONFIG_GPIO_MCP23S08 is not set # CONFIG_GPIO_MC33880 is not set # CONFIG_GPIO_74X164 is not set # # AC97 GPIO expanders: # # # MODULbus GPIO expanders: # CONFIG_W1=y # # 1-wire Bus Masters # # CONFIG_W1_MASTER_DS2490 is not set # CONFIG_W1_MASTER_DS2482 is not set CONFIG_W1_MASTER_MXC=y # CONFIG_W1_MASTER_DS1WM is not set # CONFIG_W1_MASTER_GPIO is not set # # 1-wire Slaves # CONFIG_W1_SLAVE_THERM=y # CONFIG_W1_SLAVE_SMEM is not set # CONFIG_W1_SLAVE_DS2408 is not set # CONFIG_W1_SLAVE_DS2423 is not set # CONFIG_W1_SLAVE_DS2431 is not set # CONFIG_W1_SLAVE_DS2433 is not set # CONFIG_W1_SLAVE_DS2760 is not set # CONFIG_W1_SLAVE_DS2780 is not set # CONFIG_W1_SLAVE_BQ27000 is not set # CONFIG_POWER_SUPPLY is not set # CONFIG_HWMON is not set # CONFIG_THERMAL is not set CONFIG_WATCHDOG=y # CONFIG_WATCHDOG_CORE is not set # CONFIG_WATCHDOG_NOWAYOUT is not set # # Watchdog Device Drivers # # CONFIG_SOFT_WATCHDOG is not set # CONFIG_WM8350_WATCHDOG is not set # CONFIG_DW_WATCHDOG is not set # CONFIG_MAX63XX_WATCHDOG is not set # # USB-based Watchdog Cards # # CONFIG_USBPCWATCHDOG is not set CONFIG_SSB_POSSIBLE=y # # Sonics Silicon Backplane # # CONFIG_SSB is not set CONFIG_BCMA_POSSIBLE=y # # Broadcom specific AMBA # # CONFIG_BCMA is not set # # Multifunction device drivers # # CONFIG_MFD_CORE is not set # CONFIG_MFD_88PM860X is not set # CONFIG_MFD_SM501 is not set # CONFIG_MFD_ASIC3 is not set # CONFIG_HTC_EGPIO is not set # CONFIG_HTC_PASIC3 is not set # CONFIG_HTC_I2CPLD is not set # CONFIG_UCB1400_CORE is not set # CONFIG_TPS6105X is not set # CONFIG_TPS65010 is not set # CONFIG_TPS6507X is not set # CONFIG_MFD_TPS6586X is not set # CONFIG_MFD_TPS65910 is not set # CONFIG_MFD_TPS65912_I2C is not set # CONFIG_MFD_TPS65912_SPI is not set # CONFIG_TWL4030_CORE is not set # CONFIG_MFD_STMPE is not set # CONFIG_MFD_TC3589X is not set # CONFIG_MFD_TMIO is not set # CONFIG_MFD_T7L66XB is not set # CONFIG_MFD_TC6387XB is not set # CONFIG_MFD_TC6393XB is not set # CONFIG_PMIC_DA903X is not set # CONFIG_PMIC_ADP5520 is not set # CONFIG_MFD_MAX8925 is not set # CONFIG_MFD_MAX8997 is not set # CONFIG_MFD_MAX8998 is not set # CONFIG_MFD_WM8400 is not set # CONFIG_MFD_WM831X_I2C is not set # CONFIG_MFD_WM831X_SPI is not set CONFIG_MFD_WM8350=y CONFIG_MFD_WM8350_I2C=y # CONFIG_MFD_WM8994 is not set # CONFIG_MFD_PCF50633 is not set # CONFIG_PMIC_DIALOG is not set # CONFIG_MFD_MC13XXX is not set # CONFIG_ABX500_CORE is not set # CONFIG_EZX_PCAP is not set # CONFIG_MFD_WL1273_CORE is not set # CONFIG_MFD_AAT2870_CORE is not set CONFIG_REGULATOR=y # CONFIG_REGULATOR_DEBUG is not set # CONFIG_REGULATOR_DUMMY is not set # CONFIG_REGULATOR_FIXED_VOLTAGE is not set # CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set # CONFIG_REGULATOR_USERSPACE_CONSUMER is not set # CONFIG_REGULATOR_GPIO is not set # CONFIG_REGULATOR_BQ24022 is not set # CONFIG_REGULATOR_MAX1586 is not set # CONFIG_REGULATOR_MAX8649 is not set # CONFIG_REGULATOR_MAX8660 is not set # CONFIG_REGULATOR_MAX8952 is not set CONFIG_REGULATOR_WM8350=y # CONFIG_REGULATOR_LP3971 is not set # CONFIG_REGULATOR_LP3972 is not set # CONFIG_REGULATOR_TPS65023 is not set # CONFIG_REGULATOR_TPS6507X is not set # CONFIG_REGULATOR_ISL6271A is not set # CONFIG_REGULATOR_AD5398 is not set # CONFIG_REGULATOR_TPS6524X is not set CONFIG_MEDIA_SUPPORT=y # # Multimedia core support # # CONFIG_MEDIA_CONTROLLER is not set CONFIG_VIDEO_DEV=y CONFIG_VIDEO_V4L2_COMMON=y # CONFIG_DVB_CORE is not set CONFIG_VIDEO_MEDIA=y # # Multimedia drivers # # CONFIG_RC_CORE is not set # CONFIG_MEDIA_ATTACH is not set CONFIG_MEDIA_TUNER=y # CONFIG_MEDIA_TUNER_CUSTOMISE is not set CONFIG_MEDIA_TUNER_SIMPLE=y CONFIG_MEDIA_TUNER_TDA8290=y CONFIG_MEDIA_TUNER_TDA827X=y CONFIG_MEDIA_TUNER_TDA18271=y CONFIG_MEDIA_TUNER_TDA9887=y CONFIG_MEDIA_TUNER_TEA5761=y CONFIG_MEDIA_TUNER_TEA5767=y CONFIG_MEDIA_TUNER_MT20XX=y CONFIG_MEDIA_TUNER_XC2028=y CONFIG_MEDIA_TUNER_XC5000=y CONFIG_MEDIA_TUNER_XC4000=y CONFIG_MEDIA_TUNER_MC44S803=y CONFIG_VIDEO_V4L2=y CONFIG_VIDEOBUF_GEN=y CONFIG_VIDEOBUF2_CORE=y CONFIG_VIDEO_CAPTURE_DRIVERS=y # CONFIG_VIDEO_ADV_DEBUG is not set # CONFIG_VIDEO_FIXED_MINOR_RANGES is not set # CONFIG_VIDEO_HELPER_CHIPS_AUTO is not set # # Encoders, decoders, sensors and other helper chips # # # Audio decoders, processors and mixers # # CONFIG_VIDEO_TVAUDIO is not set # CONFIG_VIDEO_TDA7432 is not set # CONFIG_VIDEO_TDA9840 is not set # CONFIG_VIDEO_TEA6415C is not set # CONFIG_VIDEO_TEA6420 is not set # CONFIG_VIDEO_MSP3400 is not set # CONFIG_VIDEO_CS5345 is not set # CONFIG_VIDEO_CS53L32A is not set # CONFIG_VIDEO_TLV320AIC23B is not set # CONFIG_VIDEO_WM8775 is not set # CONFIG_VIDEO_WM8739 is not set # CONFIG_VIDEO_VP27SMPX is not set # # RDS decoders # # CONFIG_VIDEO_SAA6588 is not set # # Video decoders # # CONFIG_VIDEO_ADV7180 is not set # CONFIG_VIDEO_BT819 is not set # CONFIG_VIDEO_BT856 is not set # CONFIG_VIDEO_BT866 is not set # CONFIG_VIDEO_KS0127 is not set # CONFIG_VIDEO_SAA7110 is not set # CONFIG_VIDEO_SAA711X is not set # CONFIG_VIDEO_SAA7191 is not set # CONFIG_VIDEO_TVP514X is not set # CONFIG_VIDEO_TVP5150 is not set # CONFIG_VIDEO_TVP7002 is not set # CONFIG_VIDEO_VPX3220 is not set # # Video and audio decoders # # CONFIG_VIDEO_SAA717X is not set # CONFIG_VIDEO_CX25840 is not set # # MPEG video encoders # # CONFIG_VIDEO_CX2341X is not set # # Video encoders # # CONFIG_VIDEO_SAA7127 is not set # CONFIG_VIDEO_SAA7185 is not set # CONFIG_VIDEO_ADV7170 is not set # CONFIG_VIDEO_ADV7175 is not set # CONFIG_VIDEO_ADV7343 is not set # CONFIG_VIDEO_AK881X is not set # # Camera sensor devices # # CONFIG_VIDEO_OV7670 is not set # CONFIG_VIDEO_MT9V011 is not set # CONFIG_VIDEO_TCM825X is not set # CONFIG_VIDEO_SR030PC30 is not set # # Flash devices # # # Video improvement chips # # CONFIG_VIDEO_UPD64031A is not set # CONFIG_VIDEO_UPD64083 is not set # # Miscelaneous helper chips # # CONFIG_VIDEO_THS7303 is not set # CONFIG_VIDEO_M52790 is not set # CONFIG_VIDEO_CPIA2 is not set # CONFIG_VIDEO_TIMBERDALE is not set CONFIG_SOC_CAMERA=y # CONFIG_SOC_CAMERA_IMX074 is not set CONFIG_SOC_CAMERA_MT9M001=y CONFIG_SOC_CAMERA_MT9M111=y CONFIG_SOC_CAMERA_MT9T031=y # CONFIG_SOC_CAMERA_MT9T112 is not set CONFIG_SOC_CAMERA_MT9V022=y # CONFIG_SOC_CAMERA_RJ54N1 is not set CONFIG_SOC_CAMERA_TW9910=y # CONFIG_SOC_CAMERA_PLATFORM is not set # CONFIG_SOC_CAMERA_OV2640 is not set # CONFIG_SOC_CAMERA_OV5642 is not set # CONFIG_SOC_CAMERA_OV6650 is not set CONFIG_SOC_CAMERA_OV772X=y # CONFIG_SOC_CAMERA_OV9640 is not set # CONFIG_SOC_CAMERA_OV9740 is not set # CONFIG_VIDEO_SH_MOBILE_CSI2 is not set # CONFIG_VIDEO_SH_MOBILE_CEU is not set CONFIG_VIDEO_MXC_OUTPUT=y CONFIG_V4L_USB_DRIVERS=y # CONFIG_USB_VIDEO_CLASS is not set CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y CONFIG_USB_GSPCA=m # CONFIG_USB_M5602 is not set # CONFIG_USB_STV06XX is not set # CONFIG_USB_GL860 is not set # CONFIG_USB_GSPCA_BENQ is not set # CONFIG_USB_GSPCA_CONEX is not set # CONFIG_USB_GSPCA_CPIA1 is not set # CONFIG_USB_GSPCA_ETOMS is not set # CONFIG_USB_GSPCA_FINEPIX is not set # CONFIG_USB_GSPCA_JEILINJ is not set # CONFIG_USB_GSPCA_KINECT is not set # CONFIG_USB_GSPCA_KONICA is not set # CONFIG_USB_GSPCA_MARS is not set # CONFIG_USB_GSPCA_MR97310A is not set # CONFIG_USB_GSPCA_NW80X is not set # CONFIG_USB_GSPCA_OV519 is not set # CONFIG_USB_GSPCA_OV534 is not set # CONFIG_USB_GSPCA_OV534_9 is not set # CONFIG_USB_GSPCA_PAC207 is not set # CONFIG_USB_GSPCA_PAC7302 is not set # CONFIG_USB_GSPCA_PAC7311 is not set # CONFIG_USB_GSPCA_SE401 is not set # CONFIG_USB_GSPCA_SN9C2028 is not set # CONFIG_USB_GSPCA_SN9C20X is not set # CONFIG_USB_GSPCA_SONIXB is not set # CONFIG_USB_GSPCA_SONIXJ is not set # CONFIG_USB_GSPCA_SPCA500 is not set # CONFIG_USB_GSPCA_SPCA501 is not set # CONFIG_USB_GSPCA_SPCA505 is not set # CONFIG_USB_GSPCA_SPCA506 is not set # CONFIG_USB_GSPCA_SPCA508 is not set # CONFIG_USB_GSPCA_SPCA561 is not set # CONFIG_USB_GSPCA_SPCA1528 is not set # CONFIG_USB_GSPCA_SQ905 is not set # CONFIG_USB_GSPCA_SQ905C is not set # CONFIG_USB_GSPCA_SQ930X is not set # CONFIG_USB_GSPCA_STK014 is not set # CONFIG_USB_GSPCA_STV0680 is not set # CONFIG_USB_GSPCA_SUNPLUS is not set # CONFIG_USB_GSPCA_T613 is not set # CONFIG_USB_GSPCA_TOPRO is not set # CONFIG_USB_GSPCA_TV8532 is not set # CONFIG_USB_GSPCA_VC032X is not set # CONFIG_USB_GSPCA_VICAM is not set # CONFIG_USB_GSPCA_XIRLINK_CIT is not set # CONFIG_USB_GSPCA_ZC3XX is not set # CONFIG_VIDEO_PVRUSB2 is not set # CONFIG_VIDEO_HDPVR is not set # CONFIG_VIDEO_EM28XX is not set # CONFIG_VIDEO_USBVISION is not set # CONFIG_USB_ET61X251 is not set # CONFIG_USB_SN9C102 is not set # CONFIG_USB_PWC is not set # CONFIG_USB_ZR364XX is not set # CONFIG_USB_STKWEBCAM is not set # CONFIG_USB_S2255 is not set # CONFIG_V4L_MEM2MEM_DRIVERS is not set # CONFIG_RADIO_ADAPTERS is not set # # Graphics support # # CONFIG_DRM is not set # CONFIG_VGASTATE is not set # CONFIG_VIDEO_OUTPUT_CONTROL is not set 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 # CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set # CONFIG_FB_SYS_FILLRECT is not set # CONFIG_FB_SYS_COPYAREA is not set # CONFIG_FB_SYS_IMAGEBLIT is not set # CONFIG_FB_FOREIGN_ENDIAN is not set # CONFIG_FB_SYS_FOPS is not set # CONFIG_FB_WMT_GE_ROPS is not set # CONFIG_FB_SVGALIB is not set # CONFIG_FB_MACMODES is not set # CONFIG_FB_BACKLIGHT is not set # CONFIG_FB_MODE_HELPERS is not set # CONFIG_FB_TILEBLITTING is not set # # Frame buffer hardware drivers # # CONFIG_FB_S1D13XXX is not set # CONFIG_FB_SMSCUFX is not set # CONFIG_FB_UDL is not set # CONFIG_FB_VIRTUAL is not set # CONFIG_FB_METRONOME is not set # CONFIG_FB_BROADSHEET is not set # CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Display device support # # CONFIG_DISPLAY_SUPPORT is not set # CONFIG_LOGO is not set CONFIG_SOUND=y # CONFIG_SOUND_OSS_CORE is not set CONFIG_SND=y CONFIG_SND_TIMER=y CONFIG_SND_PCM=y CONFIG_SND_JACK=y # 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 # CONFIG_SND_VERBOSE_PRINTK is not set # CONFIG_SND_DEBUG is not set # CONFIG_SND_RAWMIDI_SEQ is not set # CONFIG_SND_OPL3_LIB_SEQ is not set # CONFIG_SND_OPL4_LIB_SEQ is not set # CONFIG_SND_SBAWE_SEQ is not set # CONFIG_SND_EMU10K1_SEQ is not set CONFIG_SND_DRIVERS=y # CONFIG_SND_DUMMY is not set # CONFIG_SND_ALOOP is not set # CONFIG_SND_MTPAV is not set # CONFIG_SND_SERIAL_U16550 is not set # CONFIG_SND_MPU401 is not set # CONFIG_SND_ARM is not set # CONFIG_SND_SPI is not set CONFIG_SND_USB=y # CONFIG_SND_USB_AUDIO is not set # CONFIG_SND_USB_UA101 is not set # CONFIG_SND_USB_CAIAQ is not set # CONFIG_SND_USB_6FIRE is not set CONFIG_SND_SOC=y # CONFIG_SND_SOC_CACHE_LZO is not set CONFIG_SND_SOC_AC97_BUS=y CONFIG_SND_IMX_SOC=y # CONFIG_SND_SOC_IMX_SPDIF is not set CONFIG_SND_SOC_I2C_AND_SPI=y # CONFIG_SND_SOC_ALL_CODECS is not set # CONFIG_SOUND_PRIME is not set CONFIG_AC97_BUS=y CONFIG_HID_SUPPORT=y CONFIG_HID=y # CONFIG_HIDRAW is not set # # USB Input Devices # CONFIG_USB_HID=y # CONFIG_HID_PID is not set # CONFIG_USB_HIDDEV is not set # # Special HID drivers # # CONFIG_HID_A4TECH is not set # CONFIG_HID_ACRUX 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_PRODIKEYS is not set # CONFIG_HID_CYPRESS is not set # CONFIG_HID_DRAGONRISE is not set # CONFIG_HID_EMS_FF is not set # CONFIG_HID_EZKEY is not set # CONFIG_HID_HOLTEK is not set # CONFIG_HID_KEYTOUCH is not set # CONFIG_HID_KYE is not set # CONFIG_HID_UCLOGIC is not set # CONFIG_HID_WALTOP is not set # CONFIG_HID_GYRATION is not set # CONFIG_HID_TWINHAN is not set # CONFIG_HID_KENSINGTON is not set # CONFIG_HID_LCPOWER is not set # CONFIG_HID_LOGITECH is not set # CONFIG_HID_MICROSOFT is not set # CONFIG_HID_MONTEREY is not set # CONFIG_HID_MULTITOUCH is not set # CONFIG_HID_NTRIG is not set # CONFIG_HID_ORTEK is not set # CONFIG_HID_PANTHERLORD is not set # CONFIG_HID_PETALYNX is not set # CONFIG_HID_PICOLCD is not set # CONFIG_HID_PRIMAX is not set # CONFIG_HID_QUANTA is not set # CONFIG_HID_ROCCAT is not set # CONFIG_HID_SAMSUNG is not set # CONFIG_HID_SONY is not set # CONFIG_HID_SPEEDLINK is not set # CONFIG_HID_SUNPLUS is not set # CONFIG_HID_GREENASIA is not set # CONFIG_HID_SMARTJOYPLUS is not set # CONFIG_HID_TOPSEED is not set # CONFIG_HID_THRUSTMASTER is not set # CONFIG_HID_ZEROPLUS is not set # CONFIG_HID_ZYDACRON is not set CONFIG_USB_SUPPORT=y CONFIG_USB_COMMON=y CONFIG_USB_ARCH_HAS_HCD=y # CONFIG_USB_ARCH_HAS_OHCI is not set CONFIG_USB_ARCH_HAS_EHCI=y # CONFIG_USB_ARCH_HAS_XHCI is not set CONFIG_USB=y # CONFIG_USB_DEBUG is not set # CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set # # Miscellaneous USB options # # CONFIG_USB_DEVICEFS is not set CONFIG_USB_DEVICE_CLASS=y # CONFIG_USB_DYNAMIC_MINORS is not set # CONFIG_USB_OTG_WHITELIST is not set # CONFIG_USB_OTG_BLACKLIST_HUB is not set # CONFIG_USB_DWC3 is not set # CONFIG_USB_MON is not set # CONFIG_USB_WUSB is not set # CONFIG_USB_WUSB_CBAF is not set # # USB Host Controller Drivers # # CONFIG_USB_C67X00_HCD is not set CONFIG_USB_EHCI_HCD=y # CONFIG_USB_EHCI_ARC is not set CONFIG_USB_EHCI_ROOT_HUB_TT=y CONFIG_USB_EHCI_TT_NEWSCHED=y CONFIG_USB_FSL_MPH_DR_OF=m CONFIG_USB_EHCI_MXC=y # CONFIG_USB_OXU210HP_HCD is not set # CONFIG_USB_ISP116X_HCD is not set # CONFIG_USB_ISP1760_HCD is not set # CONFIG_USB_ISP1362_HCD is not set # CONFIG_USB_SL811_HCD is not set # CONFIG_USB_R8A66597_HCD is not set # CONFIG_USB_HWA_HCD is not set # CONFIG_USB_IMX21_HCD is not set # CONFIG_USB_MUSB_HDRC is not set # CONFIG_USB_RENESAS_USBHS is not set # # USB Device Class drivers # # 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 depends on SCSI but BLK_DEV_SD may # # # also be needed; see USB_STORAGE Help for more info # # CONFIG_USB_LIBUSUAL is not set # # USB Imaging devices # # CONFIG_USB_MDC800 is not set # # USB port drivers # # CONFIG_USB_SERIAL is not set # # USB Miscellaneous drivers # # 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 # CONFIG_USB_LED is not set # CONFIG_USB_CYPRESS_CY7C63 is not set # CONFIG_USB_CYTHERM is not set # CONFIG_USB_IDMOUSE is not set # CONFIG_USB_FTDI_ELAN is not set # CONFIG_USB_APPLEDISPLAY is not set # CONFIG_USB_SISUSBVGA is not set # CONFIG_USB_LD is not set # CONFIG_USB_TRANCEVIBRATOR is not set # CONFIG_USB_IOWARRIOR is not set # CONFIG_USB_TEST is not set # CONFIG_USB_ISIGHTFW is not set # CONFIG_USB_YUREX is not set CONFIG_USB_GADGET=m # CONFIG_USB_GADGET_DEBUG is not set # CONFIG_USB_GADGET_DEBUG_FILES is not set CONFIG_USB_GADGET_VBUS_DRAW=2 CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS=2 CONFIG_USB_FSL_USB2=m # CONFIG_USB_FUSB300 is not set # CONFIG_USB_R8A66597 is not set # CONFIG_USB_IMX is not set # CONFIG_USB_M66592 is not set # CONFIG_USB_NET2272 is not set # CONFIG_USB_GADGET_ARC is not set # CONFIG_USB_DUMMY_HCD is not set CONFIG_USB_GADGET_DUALSPEED=y # CONFIG_USB_ZERO is not set # CONFIG_USB_AUDIO is not set # CONFIG_USB_ETH is not set # CONFIG_USB_G_NCM is not set # CONFIG_USB_GADGETFS is not set # CONFIG_USB_FUNCTIONFS is not set # CONFIG_USB_FILE_STORAGE is not set # CONFIG_USB_MASS_STORAGE is not set CONFIG_USB_G_SERIAL=m # CONFIG_USB_MIDI_GADGET is not set # CONFIG_USB_G_PRINTER is not set # CONFIG_USB_CDC_COMPOSITE is not set # CONFIG_USB_G_ACM_MS is not set # CONFIG_USB_G_MULTI is not set # CONFIG_USB_G_HID is not set # CONFIG_USB_G_DBGP is not set # CONFIG_USB_G_WEBCAM is not set # # OTG and related infrastructure # CONFIG_USB_OTG_UTILS=y # CONFIG_USB_GPIO_VBUS is not set CONFIG_USB_ULPI=y # CONFIG_NOP_USB_XCEIV is not set CONFIG_MMC=y # CONFIG_MMC_DEBUG is not set # CONFIG_MMC_UNSAFE_RESUME is not set # CONFIG_MMC_CLKGATE is not set # # MMC/SD/SDIO Card Drivers # CONFIG_MMC_BLOCK=y CONFIG_MMC_BLOCK_MINORS=8 CONFIG_MMC_BLOCK_BOUNCE=y # CONFIG_SDIO_UART is not set # CONFIG_MMC_TEST is not set # # MMC/SD/SDIO Host Controller Drivers # CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_IO_ACCESSORS=y CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_SDHCI_ESDHC_IMX=y # CONFIG_MMC_SDHCI_PXAV3 is not set # CONFIG_MMC_SDHCI_PXAV2 is not set CONFIG_MMC_MXC=y # CONFIG_MMC_SPI is not set # CONFIG_MMC_DW is not set # CONFIG_MMC_VUB300 is not set # CONFIG_MMC_USHC is not set # CONFIG_MEMSTICK is not set # CONFIG_NEW_LEDS is not set # CONFIG_ACCESSIBILITY is not set CONFIG_RTC_LIB=y CONFIG_RTC_CLASS=y CONFIG_RTC_HCTOSYS=y CONFIG_RTC_HCTOSYS_DEVICE="rtc0" # CONFIG_RTC_DEBUG is not set # # RTC interfaces # CONFIG_RTC_INTF_SYSFS=y CONFIG_RTC_INTF_PROC=y CONFIG_RTC_INTF_DEV=y # CONFIG_RTC_INTF_DEV_UIE_EMUL is not set # CONFIG_RTC_DRV_TEST is not set # # I2C RTC drivers # # CONFIG_RTC_DRV_DS1307 is not set # CONFIG_RTC_DRV_DS1374 is not set # CONFIG_RTC_DRV_DS1672 is not set # CONFIG_RTC_DRV_DS3232 is not set # CONFIG_RTC_DRV_MAX6900 is not set # CONFIG_RTC_DRV_RS5C372 is not set # CONFIG_RTC_DRV_ISL1208 is not set # CONFIG_RTC_DRV_ISL12022 is not set # CONFIG_RTC_DRV_X1205 is not set # CONFIG_RTC_DRV_PCF8563 is not set # CONFIG_RTC_DRV_PCF8583 is not set # CONFIG_RTC_DRV_M41T80 is not set # CONFIG_RTC_DRV_BQ32K is not set # CONFIG_RTC_DRV_S35390A is not set # CONFIG_RTC_DRV_FM3130 is not set # CONFIG_RTC_DRV_RX8581 is not set # CONFIG_RTC_DRV_RX8025 is not set # CONFIG_RTC_DRV_EM3027 is not set # CONFIG_RTC_DRV_RV3029C2 is not set # # SPI RTC drivers # # CONFIG_RTC_DRV_M41T93 is not set # CONFIG_RTC_DRV_M41T94 is not set # CONFIG_RTC_DRV_DS1305 is not set # CONFIG_RTC_DRV_DS1390 is not set # CONFIG_RTC_DRV_MAX6902 is not set # CONFIG_RTC_DRV_R9701 is not set # CONFIG_RTC_DRV_RS5C348 is not set # CONFIG_RTC_DRV_DS3234 is not set # CONFIG_RTC_DRV_PCF2123 is not set # # 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_MSM6242 is not set CONFIG_RTC_MXC=y # CONFIG_RTC_DRV_MXC_V2 is not set # CONFIG_RTC_DRV_BQ4802 is not set # CONFIG_RTC_DRV_RP5C01 is not set # CONFIG_RTC_DRV_V3020 is not set # CONFIG_RTC_DRV_WM8350 is not set # # on-CPU RTC drivers # CONFIG_DMADEVICES=y # CONFIG_DMADEVICES_DEBUG is not set # # DMA Devices # # CONFIG_DW_DMAC is not set # CONFIG_TIMB_DMA is not set # CONFIG_AUXDISPLAY is not set # CONFIG_UIO is not set # # Virtio drivers # # CONFIG_VIRTIO_BALLOON is not set # CONFIG_VIRTIO_MMIO is not set # CONFIG_STAGING is not set CONFIG_CLKDEV_LOOKUP=y # # Hardware Spinlock drivers # CONFIG_CLKSRC_MMIO=y CONFIG_IOMMU_SUPPORT=y # CONFIG_VIRT_DRIVERS is not set # # MXC support drivers # # CONFIG_MXC_IPU is not set # # MXC VPU(Video Processing Unit) support # # # MXC GPU support # # # File systems # # CONFIG_EXT2_FS is not set # CONFIG_EXT3_FS is not set # CONFIG_EXT4_FS is not set # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set # CONFIG_XFS_FS is not set # CONFIG_GFS2_FS is not set # CONFIG_BTRFS_FS is not set # CONFIG_NILFS2_FS is not set # CONFIG_FS_POSIX_ACL is not set CONFIG_FILE_LOCKING=y CONFIG_FSNOTIFY=y # CONFIG_DNOTIFY is not set CONFIG_INOTIFY_USER=y # CONFIG_FANOTIFY is not set # CONFIG_QUOTA is not set # CONFIG_QUOTACTL is not set # CONFIG_AUTOFS4_FS is not set # CONFIG_FUSE_FS is not set # # Caches # # CONFIG_FSCACHE is not set # # CD-ROM/DVD Filesystems # # CONFIG_ISO9660_FS is not set # CONFIG_UDF_FS is not set # # DOS/FAT/NT Filesystems # # CONFIG_MSDOS_FS is not set # CONFIG_VFAT_FS is not set # CONFIG_NTFS_FS is not set # # Pseudo filesystems # CONFIG_PROC_FS=y CONFIG_PROC_SYSCTL=y CONFIG_PROC_PAGE_MONITOR=y CONFIG_SYSFS=y CONFIG_TMPFS=y # CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_TMPFS_XATTR is not set # CONFIG_HUGETLB_PAGE is not set # CONFIG_CONFIGFS_FS is not set CONFIG_MISC_FILESYSTEMS=y # CONFIG_ADFS_FS is not set # CONFIG_AFFS_FS is not set # CONFIG_ECRYPT_FS is not set # CONFIG_HFS_FS is not set # CONFIG_HFSPLUS_FS is not set # CONFIG_BEFS_FS is not set # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set CONFIG_JFFS2_FS=y CONFIG_JFFS2_FS_DEBUG=0 CONFIG_JFFS2_FS_WRITEBUFFER=y # CONFIG_JFFS2_FS_WBUF_VERIFY is not set # CONFIG_JFFS2_SUMMARY is not set # CONFIG_JFFS2_FS_XATTR is not set # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set CONFIG_JFFS2_ZLIB=y # CONFIG_JFFS2_LZO is not set CONFIG_JFFS2_RTIME=y # CONFIG_JFFS2_RUBIN is not set CONFIG_UBIFS_FS=y # CONFIG_UBIFS_FS_XATTR is not set # CONFIG_UBIFS_FS_ADVANCED_COMPR is not set CONFIG_UBIFS_FS_LZO=y CONFIG_UBIFS_FS_ZLIB=y # CONFIG_UBIFS_FS_DEBUG is not set # CONFIG_LOGFS 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 # CONFIG_HPFS_FS is not set # CONFIG_QNX4FS_FS is not set # CONFIG_ROMFS_FS is not set # CONFIG_PSTORE is not set # CONFIG_SYSV_FS is not set # CONFIG_UFS_FS is not set CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y # CONFIG_NFS_V3_ACL is not set CONFIG_NFS_V4=y # CONFIG_NFS_V4_1 is not set CONFIG_ROOT_NFS=y # CONFIG_NFS_USE_LEGACY_DNS is not set CONFIG_NFS_USE_KERNEL_DNS=y # CONFIG_NFS_USE_NEW_IDMAPPER is not set # CONFIG_NFSD is not set CONFIG_LOCKD=y CONFIG_LOCKD_V4=y CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y CONFIG_SUNRPC_GSS=y # CONFIG_CEPH_FS is not set # CONFIG_CIFS is not set # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set # # Partition Types # # CONFIG_PARTITION_ADVANCED is not set CONFIG_MSDOS_PARTITION=y CONFIG_NLS=y CONFIG_NLS_DEFAULT="iso8859-1" # CONFIG_NLS_CODEPAGE_437 is not set # CONFIG_NLS_CODEPAGE_737 is not set # CONFIG_NLS_CODEPAGE_775 is not set # CONFIG_NLS_CODEPAGE_850 is not set # CONFIG_NLS_CODEPAGE_852 is not set # CONFIG_NLS_CODEPAGE_855 is not set # CONFIG_NLS_CODEPAGE_857 is not set # CONFIG_NLS_CODEPAGE_860 is not set # CONFIG_NLS_CODEPAGE_861 is not set # CONFIG_NLS_CODEPAGE_862 is not set # CONFIG_NLS_CODEPAGE_863 is not set # CONFIG_NLS_CODEPAGE_864 is not set # CONFIG_NLS_CODEPAGE_865 is not set # CONFIG_NLS_CODEPAGE_866 is not set # CONFIG_NLS_CODEPAGE_869 is not set # CONFIG_NLS_CODEPAGE_936 is not set # CONFIG_NLS_CODEPAGE_950 is not set # CONFIG_NLS_CODEPAGE_932 is not set # CONFIG_NLS_CODEPAGE_949 is not set # CONFIG_NLS_CODEPAGE_874 is not set # CONFIG_NLS_ISO8859_8 is not set # CONFIG_NLS_CODEPAGE_1250 is not set # CONFIG_NLS_CODEPAGE_1251 is not set # CONFIG_NLS_ASCII is not set # CONFIG_NLS_ISO8859_1 is not set # CONFIG_NLS_ISO8859_2 is not set # CONFIG_NLS_ISO8859_3 is not set # CONFIG_NLS_ISO8859_4 is not set # CONFIG_NLS_ISO8859_5 is not set # CONFIG_NLS_ISO8859_6 is not set # CONFIG_NLS_ISO8859_7 is not set # CONFIG_NLS_ISO8859_9 is not set # CONFIG_NLS_ISO8859_13 is not set # CONFIG_NLS_ISO8859_14 is not set # CONFIG_NLS_ISO8859_15 is not set # CONFIG_NLS_KOI8_R is not set # CONFIG_NLS_KOI8_U is not set # CONFIG_NLS_UTF8 is not set # # Kernel hacking # # CONFIG_PRINTK_TIME is not set CONFIG_DEFAULT_MESSAGE_LOGLEVEL=4 # CONFIG_ENABLE_WARN_DEPRECATED is not set # CONFIG_ENABLE_MUST_CHECK is not set CONFIG_FRAME_WARN=1024 # CONFIG_MAGIC_SYSRQ is not set # CONFIG_STRIP_ASM_SYMS is not set # CONFIG_UNUSED_SYMBOLS is not set # CONFIG_DEBUG_FS is not set # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_SECTION_MISMATCH is not set CONFIG_DEBUG_KERNEL=y # CONFIG_DEBUG_SHIRQ is not set # CONFIG_LOCKUP_DETECTOR is not set # CONFIG_HARDLOCKUP_DETECTOR is not set # CONFIG_DETECT_HUNG_TASK is not set CONFIG_SCHED_DEBUG=y # CONFIG_SCHEDSTATS is not set # CONFIG_TIMER_STATS is not set # CONFIG_DEBUG_OBJECTS is not set # CONFIG_DEBUG_SLAB is not set # CONFIG_DEBUG_KMEMLEAK is not set CONFIG_DEBUG_PREEMPT=y # CONFIG_DEBUG_RT_MUTEXES is not set # CONFIG_RT_MUTEX_TESTER is not set # CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_MUTEXES is not set # CONFIG_DEBUG_LOCK_ALLOC is not set # CONFIG_PROVE_LOCKING is not set # CONFIG_SPARSE_RCU_POINTER is not set # CONFIG_LOCK_STAT is not set # CONFIG_DEBUG_ATOMIC_SLEEP is not set # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set # CONFIG_DEBUG_VM is not set # CONFIG_DEBUG_WRITECOUNT is not set # CONFIG_DEBUG_MEMORY_INIT is not set # CONFIG_DEBUG_LIST is not set # CONFIG_TEST_LIST_SORT is not set # CONFIG_DEBUG_SG is not set # CONFIG_DEBUG_NOTIFIERS is not set # CONFIG_DEBUG_CREDENTIALS is not set # CONFIG_BOOT_PRINTK_DELAY is not set # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_BACKTRACE_SELF_TEST is not set # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set # CONFIG_FAULT_INJECTION is not set # CONFIG_LATENCYTOP is not set CONFIG_SYSCTL_SYSCALL_CHECK=y # CONFIG_DEBUG_PAGEALLOC is not set CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y CONFIG_HAVE_DYNAMIC_FTRACE=y CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y CONFIG_HAVE_C_RECORDMCOUNT=y CONFIG_TRACING_SUPPORT=y CONFIG_FTRACE=y # CONFIG_FUNCTION_TRACER is not set # CONFIG_IRQSOFF_TRACER is not set # CONFIG_PREEMPT_TRACER is not set # CONFIG_SCHED_TRACER is not set # CONFIG_ENABLE_DEFAULT_TRACERS is not set CONFIG_BRANCH_PROFILE_NONE=y # CONFIG_PROFILE_ANNOTATED_BRANCHES is not set # CONFIG_PROFILE_ALL_BRANCHES is not set # CONFIG_STACK_TRACER is not set # CONFIG_BLK_DEV_IO_TRACE is not set # CONFIG_DMA_API_DEBUG is not set # CONFIG_ATOMIC64_SELFTEST is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set # CONFIG_TEST_KSTRTOX is not set # CONFIG_STRICT_DEVMEM is not set CONFIG_ARM_UNWIND=y # CONFIG_DEBUG_USER is not set # CONFIG_DEBUG_LL is not set # # Security options # CONFIG_KEYS=y # CONFIG_ENCRYPTED_KEYS is not set # CONFIG_KEYS_DEBUG_PROC_KEYS is not set # CONFIG_SECURITY_DMESG_RESTRICT is not set # CONFIG_SECURITY is not set # CONFIG_SECURITYFS is not set CONFIG_DEFAULT_SECURITY_DAC=y CONFIG_DEFAULT_SECURITY="" CONFIG_CRYPTO=y # # Crypto core or helper # CONFIG_CRYPTO_ALGAPI=y CONFIG_CRYPTO_ALGAPI2=y # CONFIG_CRYPTO_MANAGER is not set # CONFIG_CRYPTO_MANAGER2 is not set # CONFIG_CRYPTO_USER is not set # CONFIG_CRYPTO_GF128MUL is not set # CONFIG_CRYPTO_NULL is not set # CONFIG_CRYPTO_CRYPTD is not set # CONFIG_CRYPTO_AUTHENC is not set # CONFIG_CRYPTO_TEST is not set # # Authenticated Encryption with Associated Data # # CONFIG_CRYPTO_CCM is not set # CONFIG_CRYPTO_GCM is not set # CONFIG_CRYPTO_SEQIV is not set # # Block modes # # CONFIG_CRYPTO_CBC is not set # CONFIG_CRYPTO_CTR is not set # CONFIG_CRYPTO_CTS is not set # CONFIG_CRYPTO_ECB is not set # CONFIG_CRYPTO_LRW is not set # CONFIG_CRYPTO_PCBC is not set # CONFIG_CRYPTO_XTS is not set # # Hash modes # # CONFIG_CRYPTO_HMAC is not set # CONFIG_CRYPTO_XCBC is not set # CONFIG_CRYPTO_VMAC is not set # # Digest # # CONFIG_CRYPTO_CRC32C is not set # CONFIG_CRYPTO_GHASH is not set # CONFIG_CRYPTO_MD4 is not set # CONFIG_CRYPTO_MD5 is not set # CONFIG_CRYPTO_MICHAEL_MIC is not set # CONFIG_CRYPTO_RMD128 is not set # CONFIG_CRYPTO_RMD160 is not set # CONFIG_CRYPTO_RMD256 is not set # CONFIG_CRYPTO_RMD320 is not set # CONFIG_CRYPTO_SHA1 is not set # CONFIG_CRYPTO_SHA256 is not set # CONFIG_CRYPTO_SHA512 is not set # CONFIG_CRYPTO_TGR192 is not set # CONFIG_CRYPTO_WP512 is not set # # Ciphers # # CONFIG_CRYPTO_AES is not set # CONFIG_CRYPTO_ANUBIS is not set # CONFIG_CRYPTO_ARC4 is not set # CONFIG_CRYPTO_BLOWFISH is not set # CONFIG_CRYPTO_CAMELLIA is not set # CONFIG_CRYPTO_CAST5 is not set # CONFIG_CRYPTO_CAST6 is not set # CONFIG_CRYPTO_DES is not set # CONFIG_CRYPTO_FCRYPT is not set # CONFIG_CRYPTO_KHAZAD is not set # CONFIG_CRYPTO_SALSA20 is not set # CONFIG_CRYPTO_SEED is not set # CONFIG_CRYPTO_SERPENT is not set # CONFIG_CRYPTO_TEA is not set # CONFIG_CRYPTO_TWOFISH is not set # # Compression # CONFIG_CRYPTO_DEFLATE=y # CONFIG_CRYPTO_ZLIB is not set CONFIG_CRYPTO_LZO=y # # Random Number Generation # # CONFIG_CRYPTO_ANSI_CPRNG is not set # CONFIG_CRYPTO_USER_API_HASH is not set # CONFIG_CRYPTO_USER_API_SKCIPHER is not set CONFIG_CRYPTO_HW=y # CONFIG_BINARY_PRINTF is not set # # Library routines # CONFIG_BITREVERSE=y CONFIG_RATIONAL=y # CONFIG_CRC_CCITT is not set CONFIG_CRC16=y # CONFIG_CRC_T10DIF is not set # CONFIG_CRC_ITU_T is not set CONFIG_CRC32=y # CONFIG_CRC7 is not set # CONFIG_LIBCRC32C is not set # CONFIG_CRC8 is not set CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=y CONFIG_LZO_COMPRESS=y CONFIG_LZO_DECOMPRESS=y # CONFIG_XZ_DEC is not set # CONFIG_XZ_DEC_BCJ is not set CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y CONFIG_HAS_DMA=y CONFIG_NLATTR=y # CONFIG_AVERAGE is not set # CONFIG_CORDIC is not set
On Thu, Nov 17, 2011 at 10:56:53AM +0800, Eric Miao wrote: > On Thu, Nov 17, 2011 at 9:50 AM, Richard Zhao <richard.zhao@linaro.org> wrote: > > If the map is in machine_desc.timer.init, the registers will not be > > able to access after bootup (probably after "Freeing init memory"). > > Given that devicemaps_init() does additional work after creating > the mapping, flushing TLB and cache, machine_desc->map_io() is > what I assume the best place for these static IO mappings than > elsewhere. > > Shawn? > I'm still trying to understand what happened. I do not understand how the map can become unusable after "Freeing init memory". Also I can not reproduce the problem on my side.
On Thu, Nov 17, 2011 at 10:56:53AM +0800, Eric Miao wrote: > On Thu, Nov 17, 2011 at 9:50 AM, Richard Zhao <richard.zhao@linaro.org> wrote: > > If the map is in machine_desc.timer.init, the registers will not be > > able to access after bootup (probably after "Freeing init memory"). > > Given that devicemaps_init() does additional work after creating > the mapping, flushing TLB and cache, machine_desc->map_io() is > what I assume the best place for these static IO mappings than > elsewhere. The _only_ place.
On Thu, Nov 17, 2011 at 11:20:13AM +0800, Shawn Guo wrote: > On Thu, Nov 17, 2011 at 10:56:53AM +0800, Eric Miao wrote: > > On Thu, Nov 17, 2011 at 9:50 AM, Richard Zhao <richard.zhao@linaro.org> wrote: > > > If the map is in machine_desc.timer.init, the registers will not be > > > able to access after bootup (probably after "Freeing init memory"). > > > > Given that devicemaps_init() does additional work after creating > > the mapping, flushing TLB and cache, machine_desc->map_io() is > > what I assume the best place for these static IO mappings than > > elsewhere. > > > > Shawn? > > > I'm still trying to understand what happened. I do not understand > how the map can become unusable after "Freeing init memory". Also > I can not reproduce the problem on my side. It's very simple. iotable_init() allocates memory using memblock. memblock marks the memory it allocates in its reserved map. At the end of map_io(), the information stored inside memblock is transferred to bootmem and then the normal page allocator. Once this is done, memblock must not be changed because there is no way to couple any further memblock allocations into the normal page allocator. Look. I've made this point before and I'm getting pissed off with people who think they know better. The callbacks in the machine descriptor are NAMED. They're NAMED for a reason - they have a PURPOSE and that PURPOSE is well defined because there are DEPENDENCIES there. They tell you what you SHOULD be doing in there. Doing something else will result in BAD THINGS happening. If people can't understand this, then the only solution is to make the backing functions for this stuff (like iotable_init() etc) BUG() when they're abused. That means adding a lot more checks and slowing down the boot because people seem to be incapable of comprehending that initialisation needs to be done in a well defined order.
On Thu, Nov 17, 2011 at 5:07 PM, Shawn Guo <shawn.guo@freescale.com> wrote: > On Thu, Nov 17, 2011 at 08:44:53AM +0000, Russell King - ARM Linux wrote: >> On Thu, Nov 17, 2011 at 11:20:13AM +0800, Shawn Guo wrote: >> > On Thu, Nov 17, 2011 at 10:56:53AM +0800, Eric Miao wrote: >> > > On Thu, Nov 17, 2011 at 9:50 AM, Richard Zhao <richard.zhao@linaro.org> wrote: >> > > > If the map is in machine_desc.timer.init, the registers will not be >> > > > able to access after bootup (probably after "Freeing init memory"). >> > > >> > > Given that devicemaps_init() does additional work after creating >> > > the mapping, flushing TLB and cache, machine_desc->map_io() is >> > > what I assume the best place for these static IO mappings than >> > > elsewhere. >> > > >> > > Shawn? >> > > >> > I'm still trying to understand what happened. I do not understand >> > how the map can become unusable after "Freeing init memory". Also >> > I can not reproduce the problem on my side. >> >> It's very simple. iotable_init() allocates memory using memblock. >> memblock marks the memory it allocates in its reserved map. At the >> end of map_io(), the information stored inside memblock is transferred >> to bootmem and then the normal page allocator. Once this is done, >> memblock must not be changed because there is no way to couple any >> further memblock allocations into the normal page allocator. >> >> Look. I've made this point before and I'm getting pissed off with >> people who think they know better. The callbacks in the machine >> descriptor are NAMED. They're NAMED for a reason - they have a PURPOSE >> and that PURPOSE is well defined because there are DEPENDENCIES there. >> They tell you what you SHOULD be doing in there. Doing something else >> will result in BAD THINGS happening. >> >> If people can't understand this, then the only solution is to make the >> backing functions for this stuff (like iotable_init() etc) BUG() when >> they're abused. That means adding a lot more checks and slowing down >> the boot because people seem to be incapable of comprehending that >> initialisation needs to be done in a well defined order. >> > Russell, > > Thanks for help understand the issue. > > Richard, > > Please revise the patch to introduce function like imx6q_clock_map_io() > to be called in imx6q_map_io(). Or simply imx6q_io_desc[], and doing a iotable_init() for all (and considering ANATOP not necessarily include clocks registers only) other possible static IO mappings in the future.
On Thu, Nov 17, 2011 at 05:07:32PM +0800, Shawn Guo wrote: > On Thu, Nov 17, 2011 at 08:44:53AM +0000, Russell King - ARM Linux wrote: > > On Thu, Nov 17, 2011 at 11:20:13AM +0800, Shawn Guo wrote: > > > On Thu, Nov 17, 2011 at 10:56:53AM +0800, Eric Miao wrote: > > > > On Thu, Nov 17, 2011 at 9:50 AM, Richard Zhao <richard.zhao@linaro.org> wrote: > > > > > If the map is in machine_desc.timer.init, the registers will not be > > > > > able to access after bootup (probably after "Freeing init memory"). > > > > > > > > Given that devicemaps_init() does additional work after creating > > > > the mapping, flushing TLB and cache, machine_desc->map_io() is > > > > what I assume the best place for these static IO mappings than > > > > elsewhere. > > > > > > > > Shawn? > > > > > > > I'm still trying to understand what happened. I do not understand > > > how the map can become unusable after "Freeing init memory". Also > > > I can not reproduce the problem on my side. > > > > It's very simple. iotable_init() allocates memory using memblock. > > memblock marks the memory it allocates in its reserved map. At the > > end of map_io(), the information stored inside memblock is transferred > > to bootmem and then the normal page allocator. Once this is done, > > memblock must not be changed because there is no way to couple any > > further memblock allocations into the normal page allocator. Thanks very much. > > > > Look. I've made this point before and I'm getting pissed off with > > people who think they know better. The callbacks in the machine > > descriptor are NAMED. They're NAMED for a reason - they have a PURPOSE > > and that PURPOSE is well defined because there are DEPENDENCIES there. > > They tell you what you SHOULD be doing in there. Doing something else > > will result in BAD THINGS happening. > > > > If people can't understand this, then the only solution is to make the > > backing functions for this stuff (like iotable_init() etc) BUG() when > > they're abused. That means adding a lot more checks and slowing down > > the boot because people seem to be incapable of comprehending that > > initialisation needs to be done in a well defined order. > > > Russell, > > Thanks for help understand the issue. > > Richard, > > Please revise the patch to introduce function like imx6q_clock_map_io() > to be called in imx6q_map_io(). Is there any reason we need to put every module map_io into individual map functions? I think map everyting we need in a single array, like we did, is a good way. Thanks Richard > > -- > Regards, > Shawn > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >
On Thu, Nov 17, 2011 at 08:44:53AM +0000, Russell King - ARM Linux wrote: > On Thu, Nov 17, 2011 at 11:20:13AM +0800, Shawn Guo wrote: > > On Thu, Nov 17, 2011 at 10:56:53AM +0800, Eric Miao wrote: > > > On Thu, Nov 17, 2011 at 9:50 AM, Richard Zhao <richard.zhao@linaro.org> wrote: > > > > If the map is in machine_desc.timer.init, the registers will not be > > > > able to access after bootup (probably after "Freeing init memory"). > > > > > > Given that devicemaps_init() does additional work after creating > > > the mapping, flushing TLB and cache, machine_desc->map_io() is > > > what I assume the best place for these static IO mappings than > > > elsewhere. > > > > > > Shawn? > > > > > I'm still trying to understand what happened. I do not understand > > how the map can become unusable after "Freeing init memory". Also > > I can not reproduce the problem on my side. > > It's very simple. iotable_init() allocates memory using memblock. > memblock marks the memory it allocates in its reserved map. At the > end of map_io(), the information stored inside memblock is transferred > to bootmem and then the normal page allocator. Once this is done, > memblock must not be changed because there is no way to couple any > further memblock allocations into the normal page allocator. > > Look. I've made this point before and I'm getting pissed off with > people who think they know better. The callbacks in the machine > descriptor are NAMED. They're NAMED for a reason - they have a PURPOSE > and that PURPOSE is well defined because there are DEPENDENCIES there. > They tell you what you SHOULD be doing in there. Doing something else > will result in BAD THINGS happening. > > If people can't understand this, then the only solution is to make the > backing functions for this stuff (like iotable_init() etc) BUG() when > they're abused. That means adding a lot more checks and slowing down > the boot because people seem to be incapable of comprehending that > initialisation needs to be done in a well defined order. > Russell, Thanks for help understand the issue. Richard, Please revise the patch to introduce function like imx6q_clock_map_io() to be called in imx6q_map_io().
On Thu, Nov 17, 2011 at 05:03:15PM +0800, Eric Miao wrote: > On Thu, Nov 17, 2011 at 5:07 PM, Shawn Guo <shawn.guo@freescale.com> wrote: > > On Thu, Nov 17, 2011 at 08:44:53AM +0000, Russell King - ARM Linux wrote: > >> On Thu, Nov 17, 2011 at 11:20:13AM +0800, Shawn Guo wrote: > >> > On Thu, Nov 17, 2011 at 10:56:53AM +0800, Eric Miao wrote: > >> > > On Thu, Nov 17, 2011 at 9:50 AM, Richard Zhao <richard.zhao@linaro.org> wrote: > >> > > > If the map is in machine_desc.timer.init, the registers will not be > >> > > > able to access after bootup (probably after "Freeing init memory"). > >> > > > >> > > Given that devicemaps_init() does additional work after creating > >> > > the mapping, flushing TLB and cache, machine_desc->map_io() is > >> > > what I assume the best place for these static IO mappings than > >> > > elsewhere. > >> > > > >> > > Shawn? > >> > > > >> > I'm still trying to understand what happened. I do not understand > >> > how the map can become unusable after "Freeing init memory". Also > >> > I can not reproduce the problem on my side. > >> > >> It's very simple. iotable_init() allocates memory using memblock. > >> memblock marks the memory it allocates in its reserved map. At the > >> end of map_io(), the information stored inside memblock is transferred > >> to bootmem and then the normal page allocator. Once this is done, > >> memblock must not be changed because there is no way to couple any > >> further memblock allocations into the normal page allocator. > >> > >> Look. I've made this point before and I'm getting pissed off with > >> people who think they know better. The callbacks in the machine > >> descriptor are NAMED. They're NAMED for a reason - they have a PURPOSE > >> and that PURPOSE is well defined because there are DEPENDENCIES there. > >> They tell you what you SHOULD be doing in there. Doing something else > >> will result in BAD THINGS happening. > >> > >> If people can't understand this, then the only solution is to make the > >> backing functions for this stuff (like iotable_init() etc) BUG() when > >> they're abused. That means adding a lot more checks and slowing down > >> the boot because people seem to be incapable of comprehending that > >> initialisation needs to be done in a well defined order. > >> > > Russell, > > > > Thanks for help understand the issue. > > > > Richard, > > > > Please revise the patch to introduce function like imx6q_clock_map_io() > > to be called in imx6q_map_io(). > > Or simply imx6q_io_desc[], and doing a iotable_init() for all (and > considering ANATOP not necessarily include clocks registers only) > other possible static IO mappings in the future. > I do not see any more possible static IO mapping in the future. On the contrary, the static mapping for clocks could possibly be removed when we migrate to common clock framework and create clocks dynamically from device tree.
On Thu, Nov 17, 2011 at 05:05:49PM +0800, Richard Zhao wrote: > On Thu, Nov 17, 2011 at 05:07:32PM +0800, Shawn Guo wrote: > > On Thu, Nov 17, 2011 at 08:44:53AM +0000, Russell King - ARM Linux wrote: > > > On Thu, Nov 17, 2011 at 11:20:13AM +0800, Shawn Guo wrote: > > > > On Thu, Nov 17, 2011 at 10:56:53AM +0800, Eric Miao wrote: > > > > > On Thu, Nov 17, 2011 at 9:50 AM, Richard Zhao <richard.zhao@linaro.org> wrote: > > > > > > If the map is in machine_desc.timer.init, the registers will not be > > > > > > able to access after bootup (probably after "Freeing init memory"). > > > > > > > > > > Given that devicemaps_init() does additional work after creating > > > > > the mapping, flushing TLB and cache, machine_desc->map_io() is > > > > > what I assume the best place for these static IO mappings than > > > > > elsewhere. > > > > > > > > > > Shawn? > > > > > > > > > I'm still trying to understand what happened. I do not understand > > > > how the map can become unusable after "Freeing init memory". Also > > > > I can not reproduce the problem on my side. > > > > > > It's very simple. iotable_init() allocates memory using memblock. > > > memblock marks the memory it allocates in its reserved map. At the > > > end of map_io(), the information stored inside memblock is transferred > > > to bootmem and then the normal page allocator. Once this is done, > > > memblock must not be changed because there is no way to couple any > > > further memblock allocations into the normal page allocator. > Thanks very much. > > > > > > Look. I've made this point before and I'm getting pissed off with > > > people who think they know better. The callbacks in the machine > > > descriptor are NAMED. They're NAMED for a reason - they have a PURPOSE > > > and that PURPOSE is well defined because there are DEPENDENCIES there. > > > They tell you what you SHOULD be doing in there. Doing something else > > > will result in BAD THINGS happening. > > > > > > If people can't understand this, then the only solution is to make the > > > backing functions for this stuff (like iotable_init() etc) BUG() when > > > they're abused. That means adding a lot more checks and slowing down > > > the boot because people seem to be incapable of comprehending that > > > initialisation needs to be done in a well defined order. > > > > > Russell, > > > > Thanks for help understand the issue. > > > > Richard, > > > > Please revise the patch to introduce function like imx6q_clock_map_io() > > to be called in imx6q_map_io(). > Is there any reason we need to put every module map_io into individual > map functions? I think map everyting we need in a single array, like we > did, is a good way. > When I submitted the imx6q support, I was convinced by Arnd's comment that instead of putting all map_desc entries in mach-imx6q.c, defining them locally in the drivers using them seems clean to me.
On Thu, Nov 17, 2011 at 5:28 PM, Shawn Guo <shawn.guo@freescale.com> wrote: > On Thu, Nov 17, 2011 at 05:03:15PM +0800, Eric Miao wrote: >> On Thu, Nov 17, 2011 at 5:07 PM, Shawn Guo <shawn.guo@freescale.com> wrote: >> > On Thu, Nov 17, 2011 at 08:44:53AM +0000, Russell King - ARM Linux wrote: >> >> On Thu, Nov 17, 2011 at 11:20:13AM +0800, Shawn Guo wrote: >> >> > On Thu, Nov 17, 2011 at 10:56:53AM +0800, Eric Miao wrote: >> >> > > On Thu, Nov 17, 2011 at 9:50 AM, Richard Zhao <richard.zhao@linaro.org> wrote: >> >> > > > If the map is in machine_desc.timer.init, the registers will not be >> >> > > > able to access after bootup (probably after "Freeing init memory"). >> >> > > >> >> > > Given that devicemaps_init() does additional work after creating >> >> > > the mapping, flushing TLB and cache, machine_desc->map_io() is >> >> > > what I assume the best place for these static IO mappings than >> >> > > elsewhere. >> >> > > >> >> > > Shawn? >> >> > > >> >> > I'm still trying to understand what happened. I do not understand >> >> > how the map can become unusable after "Freeing init memory". Also >> >> > I can not reproduce the problem on my side. >> >> >> >> It's very simple. iotable_init() allocates memory using memblock. >> >> memblock marks the memory it allocates in its reserved map. At the >> >> end of map_io(), the information stored inside memblock is transferred >> >> to bootmem and then the normal page allocator. Once this is done, >> >> memblock must not be changed because there is no way to couple any >> >> further memblock allocations into the normal page allocator. >> >> >> >> Look. I've made this point before and I'm getting pissed off with >> >> people who think they know better. The callbacks in the machine >> >> descriptor are NAMED. They're NAMED for a reason - they have a PURPOSE >> >> and that PURPOSE is well defined because there are DEPENDENCIES there. >> >> They tell you what you SHOULD be doing in there. Doing something else >> >> will result in BAD THINGS happening. >> >> >> >> If people can't understand this, then the only solution is to make the >> >> backing functions for this stuff (like iotable_init() etc) BUG() when >> >> they're abused. That means adding a lot more checks and slowing down >> >> the boot because people seem to be incapable of comprehending that >> >> initialisation needs to be done in a well defined order. >> >> >> > Russell, >> > >> > Thanks for help understand the issue. >> > >> > Richard, >> > >> > Please revise the patch to introduce function like imx6q_clock_map_io() >> > to be called in imx6q_map_io(). >> >> Or simply imx6q_io_desc[], and doing a iotable_init() for all (and >> considering ANATOP not necessarily include clocks registers only) >> other possible static IO mappings in the future. >> > I do not see any more possible static IO mapping in the future. On the > contrary, the static mapping for clocks could possibly be removed when > we migrate to common clock framework and create clocks dynamically from > device tree. Fair enough and it would be ideal if static IO mapping is not necessary. And I don't have a strong preference of having a single array for all these mappings or having separate function for each of them. It just looks a bit redundant to have a one-line function here.
On Thu, Nov 17, 2011 at 07:22:51PM +0800, Eric Miao wrote: > On Thu, Nov 17, 2011 at 5:28 PM, Shawn Guo <shawn.guo@freescale.com> wrote: > > I do not see any more possible static IO mapping in the future. On the > > contrary, the static mapping for clocks could possibly be removed when > > we migrate to common clock framework and create clocks dynamically from > > device tree. > > Fair enough and it would be ideal if static IO mapping is not necessary. > > And I don't have a strong preference of having a single array for all these > mappings or having separate function for each of them. It just looks a bit > redundant to have a one-line function here. You have to do static IO mapping if you need the mapping before the memory allocators are up and running - because until that's the case, ioremap won't work. Your choices for setting up device mappings are: 1. iotable_init() or create_mapping() in the map_io callback (and no other callback.) 2. ioremap() after the memory allocators are up and running, which (in the sequence of functions in the machine description - they've always been ordered according to their called sequence) is at the point where init_irq is called. .init_early can then access anything which the static mappings have setup, but it can't in any way setup any further mappings. If you're registering your clocks at init_early() time, and you need to access the devices, then you must have created those mappings at map_io time. .init_irq, the timer init, and .init_machine can all use ioremap() to setup further mappings but must not use iotable_init() nor create_mapping() to do so.
diff --git a/arch/arm/mach-imx/clock-imx6q.c b/arch/arm/mach-imx/clock-imx6q.c index 613a1b9..a9351eb 100644 --- a/arch/arm/mach-imx/clock-imx6q.c +++ b/arch/arm/mach-imx/clock-imx6q.c @@ -19,7 +19,6 @@ #include <linux/of_address.h> #include <linux/of_irq.h> #include <asm/div64.h> -#include <asm/mach/map.h> #include <mach/clock.h> #include <mach/common.h> #include <mach/hardware.h> @@ -1948,19 +1947,12 @@ int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode) return 0; } -static struct map_desc imx6q_clock_desc[] = { - imx_map_entry(MX6Q, CCM, MT_DEVICE), - imx_map_entry(MX6Q, ANATOP, MT_DEVICE), -}; - int __init mx6q_clocks_init(void) { struct device_node *np; void __iomem *base; int i, irq; - iotable_init(imx6q_clock_desc, ARRAY_SIZE(imx6q_clock_desc)); - /* retrieve the freqency of fixed clocks from device tree */ for_each_compatible_node(np, NULL, "fixed-clock") { u32 rate; diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 8bf5fa3..a1bc9f7 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -20,6 +20,7 @@ #include <asm/hardware/gic.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> +#include <asm/mach/map.h> #include <mach/common.h> #include <mach/hardware.h> @@ -30,10 +31,16 @@ static void __init imx6q_init_machine(void) imx6q_pm_init(); } +static struct map_desc imx6q_clock_desc[] = { + imx_map_entry(MX6Q, CCM, MT_DEVICE), + imx_map_entry(MX6Q, ANATOP, MT_DEVICE), +}; + static void __init imx6q_map_io(void) { imx_lluart_map_io(); imx_scu_map_io(); + iotable_init(imx6q_clock_desc, ARRAY_SIZE(imx6q_clock_desc)); } static void __init imx6q_gpio_add_irq_domain(struct device_node *np,
If the map is in machine_desc.timer.init, the registers will not be able to access after bootup (probably after "Freeing init memory"). Error log: Freeing init memory: 112K Unable to handle kernel paging request at virtual address f42c4024 pgd = ebb70000 [f42c4024] *pgd=3bff6841, *pte=00007911, *ppte=1393f240 Internal error: Oops: 27 [#1] PREEMPT Modules linked in: CPU: 0 Not tainted (3.2.0-rc1-00286-gd291ffb #77) PC is at _clk_get_rate+0x4c/0x10c LR is at clk_get_rate+0x40/0x50 pc : [<c0018798>] lr : [<c00190a4>] psr: 60000013 sp : ebb63d78 ip : c02f668c fp : bee4da2c r10: c042f54c r9 : eb9e8400 r8 : 00000000 r7 : 00000000 r6 : eb921b60 r5 : 00000000 r4 : 0000003f r3 : f42c4024 r2 : c041b4f0 r1 : c041a404 r0 : c041a404 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 10c53c7d Table: 3bb70059 DAC: 00000015 Process modprobe (pid: 273, stack limit = 0xebb622e8) Stack: (0xebb63d78 to 0xebb64000) 3d60: c001874c eb921b60 3d80: eb9e8400 c00190a4 c0196fa8 c0196f48 c0196fa8 eb921b60 eb9e8400 c0196fb8 3da0: 00000000 00000000 eb9e8400 eb890150 eb9e8400 eb921b60 00000000 c0193d68 3dc0: eb890150 eb9e8400 eb890180 eb83ea20 ebb62000 c0194db0 eb879a80 00500001 3de0: eb83ea20 00000001 ebb62000 c018a838 00000101 eb425810 c008ccac 00000003 3e00: eb8e3c80 ebb62000 eb425810 eb83ea20 c044792c 00000000 c044792c 00000000 3e20: bee4da2c c008d508 00000000 00000000 eb83ea20 eb426f58 eb80e3a0 eb425810 3e40: c008d3fc 00000000 00000000 c00881f0 ebb63ef8 00000101 eb425810 00000022 3e60: 00000000 00000000 00000000 c0096884 eb4064d8 c042b298 bee4da2c eb40fed0 3e80: 0000002f eb425810 ebb63ef8 ebb63f78 00000000 ebb63eb4 ebb62000 ebb62000 3ea0: 00000000 c0096e28 ebb63ec4 eb802f60 00000002 eb80e3a0 eb426f58 c02c558c 3ec0: eb802f60 00000000 00000020 00000001 ebb63f78 ebb53000 ffffff9c ffffff9c 3ee0: ebb62000 00000000 bee4da2c c00971e4 00000041 ebb2bba0 eb80e3a0 eb426f58 3f00: 05b6719b 00000007 ebb53005 eb80e3a0 eb401318 eb425810 00000101 00000000 3f20: 00000000 00000000 c04166a0 403acafc 40000013 c0086fbc eb8178c0 eb8178c8 3f40: 00000000 ebb62000 bee4da2c 00000101 00000000 00000000 403be000 ebb53000 3f60: 00000101 00000000 00000001 c0088f74 00000000 eb8178c0 00000101 00000000 3f80: 00000022 00000100 ebb62000 0001a2d8 00000014 403be000 00000005 c000df68 3fa0: 00000000 c000ddc0 0001a2d8 00000014 403acafc 00000101 00000000 0000000a 3fc0: 0001a2d8 00000014 403be000 00000005 00000001 00000002 0000ed98 bee4da2c 3fe0: 00000000 bee4d96c 4036cb75 4036494c 60000010 403acafc 3bffe821 3bffec21 [<c0018798>] (_clk_get_rate+0x4c/0x10c) from [<c00190a4>] (clk_get_rate+0x40/0x50) [<c00190a4>] (clk_get_rate+0x40/0x50) from [<c0196f48>] (imx_setup_ufcr.isra.5+0x10/0x70) [<c0196f48>] (imx_setup_ufcr.isra.5+0x10/0x70) from [<c0196fb8>] (imx_startup+0x10/0x260) [<c0196fb8>] (imx_startup+0x10/0x260) from [<c0193d68>] (uart_startup+0x64/0x20c) [<c0193d68>] (uart_startup+0x64/0x20c) from [<c0194db0>] (uart_open+0xd4/0x140) [<c0194db0>] (uart_open+0xd4/0x140) from [<c018a838>] (tty_open+0x1d0/0x49c) [<c018a838>] (tty_open+0x1d0/0x49c) from [<c008d508>] (chrdev_open+0x10c/0x1ec) [<c008d508>] (chrdev_open+0x10c/0x1ec) from [<c00881f0>] (__dentry_open.isra.16+0x228/0x2ec) [<c00881f0>] (__dentry_open.isra.16+0x228/0x2ec) from [<c0096884>] (do_last.isra.40+0x31c/0x6c8) [<c0096884>] (do_last.isra.40+0x31c/0x6c8) from [<c0096e28>] (path_openat+0xb8/0x38c) [<c0096e28>] (path_openat+0xb8/0x38c) from [<c00971e4>] (do_filp_open+0x2c/0x80) [<c00971e4>] (do_filp_open+0x2c/0x80) from [<c0088f74>] (do_sys_open+0xdc/0x174) [<c0088f74>] (do_sys_open+0xdc/0x174) from [<c000ddc0>] (ret_fast_syscall+0x0/0x30) Code: 1afffff9 e5923004 e592500c e5924014 (e5933000) ---[ end trace e6f14f4cf9b4ac85 ]--- Signed-off-by: Richard Zhao <richard.zhao@linaro.org> --- arch/arm/mach-imx/clock-imx6q.c | 8 -------- arch/arm/mach-imx/mach-imx6q.c | 7 +++++++ 2 files changed, 7 insertions(+), 8 deletions(-)