diff options
Diffstat (limited to 'arch/powerpc/cpu/74xx_7xx/cpu_init.c')
-rw-r--r-- | arch/powerpc/cpu/74xx_7xx/cpu_init.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/74xx_7xx/cpu_init.c b/arch/powerpc/cpu/74xx_7xx/cpu_init.c new file mode 100644 index 0000000..1dd1b2c --- /dev/null +++ b/arch/powerpc/cpu/74xx_7xx/cpu_init.c @@ -0,0 +1,63 @@ +/* + * (C) Copyright 2001 + * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * cpu_init.c - low level cpu init + * + * there's really nothing going on here yet. future work area? + */ + +#include <common.h> +#include <74xx_7xx.h> + +/* + * Breath some life into the CPU... + * + * there's basically nothing to do here since the memory controller + * isn't on the CPU in this case. + */ +void +cpu_init_f (void) +{ + switch (get_cpu_type()) { + case CPU_7450: + case CPU_7455: + case CPU_7457: + case CPU_7447A: + case CPU_7448: + /* enable the timebase bit in HID0 */ + set_hid0(get_hid0() | 0x4000000); + break; + default: + /* do nothing */ + break; + } +} + +/* + * initialize higher level parts of CPU like timers + */ +int cpu_init_r (void) +{ + return (0); +} |