• Santosh Shilimkar's avatar
    omap4: Fix bootup crash observed with higher CPU clocks · e7193cc8
    Santosh Shilimkar authored
    This patch is temporary fix to below crash. This is observed when
    CPU is clocked more than 600 MHz.
    
    Unhandled fault: imprecise external abort (0x1406) at 0xbf9ef65c
    Internal error: : 1406 [#1] PREEMPT SMP
    last sysfs file:
    Modules linked in:
    CPU: 0    Not tainted  (2.6.36-rc3+ #18)
    PC is at kernel_thread_helper+0x0/0x14
    LR is at kernel_thread_helper+0x0/0x14
    pc : [<c003ce14>]    lr : [<c003ce14>]    psr: 00000093
    sp : dc83bff8  ip : 00000000  fp : 00000000
    r10: 00000000  r9 : 00000000  r8 : 00000000
    r7 : 00000013  r6 : c003ce28  r5 : c008935c  r4 : 00000000
    r3 : 00000000  r2 : 00000000  r1 : 00000000  r0 : 00000000
    Flags: nzcv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
    Control: 10c53c7f  Table: 8000404a  DAC: 00000017
    Process swapper (pid: 2, stack limit = 0xdc83a2f0)
    Stack: (0xdc83bff8 to 0xdc83c000)
    bfe0: 00000000 ffffffff
    [<c003ce14>] (kernel_thread_helper+0x0/0x14) from [<fffffffe>] (0xfffffffe)
    Code: c03a0ba3 c03a5fcb c045c880 c0394035 (eb017701)
    ---[ end trace 1b75b31a2719ed1c ]---
    
    The timer hwmod adaptation will eventually fix it in a proper way.
    Signed-off-by: default avatarRajendra Nayak <rnayak@ti.com>
    Signed-off-by: default avatarSantosh Shilimkar <santosh.shilimkar@ti.com>
    e7193cc8
dmtimer.c 22.1 KB