diff options
Diffstat (limited to 'board/edb93xx/pll_cfg.c')
| -rw-r--r-- | board/edb93xx/pll_cfg.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/board/edb93xx/pll_cfg.c b/board/edb93xx/pll_cfg.c deleted file mode 100644 index a687af0a01..0000000000 --- a/board/edb93xx/pll_cfg.c +++ /dev/null @@ -1,58 +0,0 @@ -/* - * PLL setup for Cirrus edb93xx boards - * - * Copyright (C) 2009 Matthias Kaehlcke <matthias@kaehlcke.net> - * - * Copyright (C) 2006 Dominic Rath <Dominic.Rath@gmx.de> - * - * 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 "pll_cfg.h" -#include "early_udelay.h" - -void pll_cfg(void) -{ - struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE; - - /* setup PLL1 */ - writel(CLKSET1_VAL, &syscon->clkset1); - - /* - * flush the pipeline - * writing to CLKSET1 causes the EP93xx to enter standby for between - * 8 ms to 16 ms, until PLL1 stabilizes - */ - asm("nop"); - asm("nop"); - asm("nop"); - asm("nop"); - asm("nop"); - - /* setup PLL2 */ - writel(CLKSET2_VAL, &syscon->clkset2); - - /* - * the user's guide recommends to wait at least 1 ms for PLL2 to - * stabilize - */ - early_udelay(1000); -} |