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Diffstat (limited to 'arch/arm/cpu/lh7a40x/speed.c')
-rw-r--r--arch/arm/cpu/lh7a40x/speed.c83
1 files changed, 0 insertions, 83 deletions
diff --git a/arch/arm/cpu/lh7a40x/speed.c b/arch/arm/cpu/lh7a40x/speed.c
deleted file mode 100644
index 333ebb5..0000000
--- a/arch/arm/cpu/lh7a40x/speed.c
+++ /dev/null
@@ -1,83 +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
- */
-
-#include <common.h>
-#include <lh7a40x.h>
-
-
-/* ------------------------------------------------------------------------- */
-/* 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() return the clock of
- * the specified bus in HZ.
- */
-/* ------------------------------------------------------------------------- */
-
-ulong get_PLLCLK (void)
-{
- return CONFIG_SYS_CLK_FREQ;
-}
-
-/* return FCLK frequency */
-ulong get_FCLK (void)
-{
- lh7a40x_csc_t* csc = LH7A40X_CSC_PTR;
- ulong maindiv1, maindiv2, prediv, ps;
-
- /*
- * from userguide 6.1.1.2
- *
- * FCLK = ((MAINDIV1 +2) * (MAINDIV2 +2) * 14.7456MHz) /
- * ((PREDIV+2) * (2^PS))
- */
- maindiv2 = (csc->clkset & CLKSET_MAINDIV2) >> 11;
- maindiv1 = (csc->clkset & CLKSET_MAINDIV1) >> 7;
- prediv = (csc->clkset & CLKSET_PREDIV) >> 2;
- ps = (csc->clkset & CLKSET_PS) >> 16;
-
- return (((maindiv2 + 2) * (maindiv1 + 2) * CONFIG_SYS_CLK_FREQ) /
- ((prediv + 2) * (1 << ps)));
-}
-
-
-/* return HCLK frequency */
-ulong get_HCLK (void)
-{
- lh7a40x_csc_t* csc = LH7A40X_CSC_PTR;
-
- return (get_FCLK () / ((csc->clkset & CLKSET_HCLKDIV) + 1));
-}
-
-/* return PCLK frequency */
-ulong get_PCLK (void)
-{
- lh7a40x_csc_t* csc = LH7A40X_CSC_PTR;
-
- return (get_HCLK () /
- (1 << (((csc->clkset & CLKSET_PCLKDIV) >> 16) + 1)));
-}