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Diffstat (limited to 'cpu/arm920t/s3c24x0/speed.c')
-rw-r--r--cpu/arm920t/s3c24x0/speed.c98
1 files changed, 0 insertions, 98 deletions
diff --git a/cpu/arm920t/s3c24x0/speed.c b/cpu/arm920t/s3c24x0/speed.c
deleted file mode 100644
index b13283a..0000000
--- a/cpu/arm920t/s3c24x0/speed.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * (C) Copyright 2001-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2002
- * David Mueller, ELSOFT AG, d.mueller@elsoft.ch
- *
- * 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
- */
-
-/* This code should work for both the S3C2400 and the S3C2410
- * as they seem to have the same PLL and clock machinery inside.
- * The different address mapping is handled by the s3c24xx.h files below.
- */
-
-#include <common.h>
-#ifdef CONFIG_S3C24X0
-
-#include <asm/io.h>
-#include <asm/arch/s3c24x0_cpu.h>
-
-#define MPLL 0
-#define UPLL 1
-
-/* ------------------------------------------------------------------------- */
-/* NOTE: This describes the proper use of this file.
- *
- * CONFIG_SYS_CLK_FREQ should be defined as the input frequency of the PLL.
- *
- * get_FCLK(), get_HCLK(), get_PCLK() and get_UCLK() return the clock of
- * the specified bus in HZ.
- */
-/* ------------------------------------------------------------------------- */
-
-static ulong get_PLLCLK(int pllreg)
-{
- struct s3c24x0_clock_power *clk_power = s3c24x0_get_base_clock_power();
- ulong r, m, p, s;
-
- if (pllreg == MPLL)
- r = readl(&clk_power->MPLLCON);
- else if (pllreg == UPLL)
- r = readl(&clk_power->UPLLCON);
- else
- hang();
-
- m = ((r & 0xFF000) >> 12) + 8;
- p = ((r & 0x003F0) >> 4) + 2;
- s = r & 0x3;
-
- return (CONFIG_SYS_CLK_FREQ * m) / (p << s);
-}
-
-/* return FCLK frequency */
-ulong get_FCLK(void)
-{
- return get_PLLCLK(MPLL);
-}
-
-/* return HCLK frequency */
-ulong get_HCLK(void)
-{
- struct s3c24x0_clock_power *clk_power = s3c24x0_get_base_clock_power();
-
- return (readl(&clk_power->CLKDIVN) & 2) ? get_FCLK() / 2 : get_FCLK();
-}
-
-/* return PCLK frequency */
-ulong get_PCLK(void)
-{
- struct s3c24x0_clock_power *clk_power = s3c24x0_get_base_clock_power();
-
- return (readl(&clk_power->CLKDIVN) & 1) ? get_HCLK() / 2 : get_HCLK();
-}
-
-/* return UCLK frequency */
-ulong get_UCLK(void)
-{
- return get_PLLCLK(UPLL);
-}
-
-#endif /* CONFIG_S3C24X0 */