]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - lib_blackfin/clocks.c
Move lib_$ARCH directories to arch/$ARCH/lib
[karo-tx-uboot.git] / lib_blackfin / clocks.c
diff --git a/lib_blackfin/clocks.c b/lib_blackfin/clocks.c
deleted file mode 100644 (file)
index 0be395b..0000000
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * clocks.c - figure out sclk/cclk/vco and such
- *
- * Copyright (c) 2005-2008 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <common.h>
-#include <asm/blackfin.h>
-
-/* Get the voltage input multiplier */
-static u_long cached_vco_pll_ctl, cached_vco;
-u_long get_vco(void)
-{
-       u_long msel;
-
-       u_long pll_ctl = bfin_read_PLL_CTL();
-       if (pll_ctl == cached_vco_pll_ctl)
-               return cached_vco;
-       else
-               cached_vco_pll_ctl = pll_ctl;
-
-       msel = (pll_ctl >> 9) & 0x3F;
-       if (0 == msel)
-               msel = 64;
-
-       cached_vco = CONFIG_CLKIN_HZ;
-       cached_vco >>= (1 & pll_ctl);   /* DF bit */
-       cached_vco *= msel;
-       return cached_vco;
-}
-
-/* Get the Core clock */
-static u_long cached_cclk_pll_div, cached_cclk;
-u_long get_cclk(void)
-{
-       u_long csel, ssel;
-
-       if (bfin_read_PLL_STAT() & 0x1)
-               return CONFIG_CLKIN_HZ;
-
-       ssel = bfin_read_PLL_DIV();
-       if (ssel == cached_cclk_pll_div)
-               return cached_cclk;
-       else
-               cached_cclk_pll_div = ssel;
-
-       csel = ((ssel >> 4) & 0x03);
-       ssel &= 0xf;
-       if (ssel && ssel < (1 << csel)) /* SCLK > CCLK */
-               cached_cclk = get_vco() / ssel;
-       else
-               cached_cclk = get_vco() >> csel;
-       return cached_cclk;
-}
-
-/* Get the System clock */
-static u_long cached_sclk_pll_div, cached_sclk;
-u_long get_sclk(void)
-{
-       u_long ssel;
-
-       if (bfin_read_PLL_STAT() & 0x1)
-               return CONFIG_CLKIN_HZ;
-
-       ssel = bfin_read_PLL_DIV();
-       if (ssel == cached_sclk_pll_div)
-               return cached_sclk;
-       else
-               cached_sclk_pll_div = ssel;
-
-       ssel &= 0xf;
-
-       cached_sclk = get_vco() / ssel;
-       return cached_sclk;
-}