]> git.sur5r.net Git - u-boot/blobdiff - cpu/at32ap/at32ap700x/clk.c
avr32: Move cpu/at32ap/* to arch/avr32/cpu/*
[u-boot] / cpu / at32ap / at32ap700x / clk.c
diff --git a/cpu/at32ap/at32ap700x/clk.c b/cpu/at32ap/at32ap700x/clk.c
deleted file mode 100644 (file)
index 742bc6b..0000000
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * Copyright (C) 2005-2008 Atmel Corporation
- *
- * 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/arch/clk.h>
-#include <asm/arch/memory-map.h>
-#include <asm/arch/portmux.h>
-
-#include "sm.h"
-
-void clk_init(void)
-{
-       uint32_t cksel;
-
-       /* in case of soft resets, disable watchdog */
-       sm_writel(WDT_CTRL, SM_BF(KEY, 0x55));
-       sm_writel(WDT_CTRL, SM_BF(KEY, 0xaa));
-
-#ifdef CONFIG_PLL
-       /* Initialize the PLL */
-       sm_writel(PM_PLL0, (SM_BF(PLLCOUNT, CONFIG_SYS_PLL0_SUPPRESS_CYCLES)
-                           | SM_BF(PLLMUL, CONFIG_SYS_PLL0_MUL - 1)
-                           | SM_BF(PLLDIV, CONFIG_SYS_PLL0_DIV - 1)
-                           | SM_BF(PLLOPT, CONFIG_SYS_PLL0_OPT)
-                           | SM_BF(PLLOSC, 0)
-                           | SM_BIT(PLLEN)));
-
-       /* Wait for lock */
-       while (!(sm_readl(PM_ISR) & SM_BIT(LOCK0))) ;
-#endif
-
-       /* Set up clocks for the CPU and all peripheral buses */
-       cksel = 0;
-       if (CONFIG_SYS_CLKDIV_CPU)
-               cksel |= SM_BIT(CPUDIV) | SM_BF(CPUSEL, CONFIG_SYS_CLKDIV_CPU - 1);
-       if (CONFIG_SYS_CLKDIV_HSB)
-               cksel |= SM_BIT(HSBDIV) | SM_BF(HSBSEL, CONFIG_SYS_CLKDIV_HSB - 1);
-       if (CONFIG_SYS_CLKDIV_PBA)
-               cksel |= SM_BIT(PBADIV) | SM_BF(PBASEL, CONFIG_SYS_CLKDIV_PBA - 1);
-       if (CONFIG_SYS_CLKDIV_PBB)
-               cksel |= SM_BIT(PBBDIV) | SM_BF(PBBSEL, CONFIG_SYS_CLKDIV_PBB - 1);
-       sm_writel(PM_CKSEL, cksel);
-
-#ifdef CONFIG_PLL
-       /* Use PLL0 as main clock */
-       sm_writel(PM_MCCTRL, SM_BIT(PLLSEL));
-
-#ifdef CONFIG_LCD
-       /* Set up pixel clock for the LCDC */
-       sm_writel(PM_GCCTRL(7), SM_BIT(PLLSEL) | SM_BIT(CEN));
-#endif
-#endif
-}
-
-unsigned long __gclk_set_rate(unsigned int id, enum gclk_parent parent,
-               unsigned long rate, unsigned long parent_rate)
-{
-       unsigned long divider;
-
-       if (rate == 0 || parent_rate == 0) {
-               sm_writel(PM_GCCTRL(id), 0);
-               return 0;
-       }
-
-       divider = (parent_rate + rate / 2) / rate;
-       if (divider <= 1) {
-               sm_writel(PM_GCCTRL(id), parent | SM_BIT(CEN));
-               rate = parent_rate;
-       } else {
-               divider = min(255, divider / 2 - 1);
-               sm_writel(PM_GCCTRL(id), parent | SM_BIT(CEN) | SM_BIT(DIVEN)
-                               | SM_BF(DIV, divider));
-               rate = parent_rate / (2 * (divider + 1));
-       }
-
-       return rate;
-}