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Viewing changes to roms/u-boot/arch/powerpc/cpu/74xx_7xx/cpu_init.c

  • Committer: Phil Dennis-Jordan
  • Date: 2017-07-21 08:03:43 UTC
  • mfrom: (1.1.1)
  • Revision ID: phil@philjordan.eu-20170721080343-2yr2vdj7713czahv
New upstream release 2.9.0.

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roms/u-boot/arch/powerpc/cpu/74xx_7xx/cpu_init.c
 
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/*
 
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 * (C) Copyright 2001
 
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 * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
 
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 *
 
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 * SPDX-License-Identifier:     GPL-2.0+
 
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 */
 
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/*
 
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 * cpu_init.c - low level cpu init
 
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 *
 
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 * there's really nothing going on here yet.  future work area?
 
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 */
 
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#include <common.h>
 
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#include <74xx_7xx.h>
 
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/*
 
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 * Breath some life into the CPU...
 
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 *
 
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 * there's basically nothing to do here since the memory controller
 
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 * isn't on the CPU in this case.
 
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 */
 
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void
 
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cpu_init_f (void)
 
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{
 
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        switch (get_cpu_type()) {
 
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        case CPU_7450:
 
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        case CPU_7455:
 
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        case CPU_7457:
 
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        case CPU_7447A:
 
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        case CPU_7448:
 
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                /* enable the timebase bit in HID0 */
 
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                set_hid0(get_hid0() | 0x4000000);
 
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                break;
 
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        default:
 
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                /* do nothing */
 
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                break;
 
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        }
 
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}
 
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/*
 
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 * initialize higher level parts of CPU like timers
 
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 */
 
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int cpu_init_r (void)
 
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{
 
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        return (0);
 
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}