diff options
Diffstat (limited to 'arch/x86/cpu/sc520/sc520.c')
| -rw-r--r-- | arch/x86/cpu/sc520/sc520.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/arch/x86/cpu/sc520/sc520.c b/arch/x86/cpu/sc520/sc520.c deleted file mode 100644 index 3fe85e7648..0000000000 --- a/arch/x86/cpu/sc520/sc520.c +++ /dev/null @@ -1,66 +0,0 @@ -/* - * (C) Copyright 2008-2011 - * Graeme Russ, <graeme.russ@gmail.com> - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * 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 - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/processor-flags.h> -#include <asm/arch/sc520.h> - -DECLARE_GLOBAL_DATA_PTR; - -sc520_mmcr_t *sc520_mmcr = (sc520_mmcr_t *)SC520_MMCR_BASE; - -int cpu_init_f(void) -{ - if (CONFIG_SYS_SC520_HIGH_SPEED) { - /* set it to 133 MHz and write back */ - writeb(0x02, &sc520_mmcr->cpuctl); - gd->cpu_clk = 133000000; - } else { - /* set it to 100 MHz and write back */ - writeb(0x01, &sc520_mmcr->cpuctl); - gd->cpu_clk = 100000000; - } - - /* wait at least one millisecond */ - asm("movl $0x2000, %%ecx\n" - "0: pushl %%ecx\n" - "popl %%ecx\n" - "loop 0b\n" : : : "ecx"); - - return x86_cpu_init_f(); -} - -int cpu_init_r(void) -{ - /* Disable the PAR used for CAR */ - writel(0x0000000, &sc520_mmcr->par[2]); - - /* turn on the SDRAM write buffer */ - writeb(0x11, &sc520_mmcr->dbctl); - - return x86_cpu_init_r(); -} |