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Viewing changes to arch/blackfin/kernel/early_printk.c

  • Committer: Bazaar Package Importer
  • Author(s): Luke Yelavich
  • Date: 2009-08-05 23:00:52 UTC
  • Revision ID: james.westby@ubuntu.com-20090805230052-7xedvqcyk9dnnxb2
Tags: 2.6.31-1.1
New upstream release

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arch/blackfin/kernel/early_printk.c
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asmlinkage void __init init_early_exception_vectors(void)
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{
 
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        u32 evt;
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        SSYNC();
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        /* cannot program in software:
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         * evt0 - emulation (jtag)
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         * evt1 - reset
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         */
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        bfin_write_EVT2(early_trap);
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        bfin_write_EVT3(early_trap);
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        bfin_write_EVT5(early_trap);
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        bfin_write_EVT6(early_trap);
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        bfin_write_EVT7(early_trap);
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        bfin_write_EVT8(early_trap);
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        bfin_write_EVT9(early_trap);
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        bfin_write_EVT10(early_trap);
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        bfin_write_EVT11(early_trap);
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        bfin_write_EVT12(early_trap);
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        bfin_write_EVT13(early_trap);
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        bfin_write_EVT14(early_trap);
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        bfin_write_EVT15(early_trap);
 
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        for (evt = EVT2; evt <= EVT15; evt += 4)
 
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                bfin_write32(evt, early_trap);
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        CSYNC();
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        /* Set all the return from interrupt, exception, NMI to a known place
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asmlinkage void __init early_trap_c(struct pt_regs *fp, void *retaddr)
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{
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        /* This can happen before the uart is initialized, so initialize
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         * the UART now
 
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         * the UART now (but only if we are running on the processor we think
 
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         * we are compiled for - otherwise we write to MMRs that don't exist,
 
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         * and cause other problems. Nothing comes out the UART, but it does
 
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         * end up in the __buf_log.
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         */
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        if (likely(early_console == NULL))
 
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        if (likely(early_console == NULL) && CPUID == bfin_cpuid())
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                setup_early_printk(DEFAULT_EARLY_PORT);
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        printk(KERN_EMERG "Early panic\n");
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        dump_bfin_mem(fp);
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        show_regs(fp);
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        dump_bfin_trace_buffer();