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-rw-r--r--arch/blackfin/lib/clocks.c140
1 files changed, 0 insertions, 140 deletions
diff --git a/arch/blackfin/lib/clocks.c b/arch/blackfin/lib/clocks.c
deleted file mode 100644
index 7ed56a7..0000000
--- a/arch/blackfin/lib/clocks.c
+++ /dev/null
@@ -1,140 +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/clock.h>
-
-/* Get the voltage input multiplier */
-u_long get_vco(void)
-{
- static u_long cached_vco_pll_ctl, cached_vco;
-
- u_long msel, pll_ctl;
-
- 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 & MSEL) >> MSEL_P;
- if (0 == msel)
- msel = (MSEL >> MSEL_P) + 1;
-
- cached_vco = CONFIG_CLKIN_HZ;
- cached_vco >>= (pll_ctl & DF);
- cached_vco *= msel;
- return cached_vco;
-}
-
-/* Get the Core clock */
-u_long get_cclk(void)
-{
- static u_long cached_cclk_pll_div, cached_cclk;
- u_long div, csel;
-#ifndef CGU_DIV
- u_long ssel;
-#endif
-
- if (pll_is_bypassed())
- return CONFIG_CLKIN_HZ;
-
- div = bfin_read_PLL_DIV();
- if (div == cached_cclk_pll_div)
- return cached_cclk;
- else
- cached_cclk_pll_div = div;
-
- csel = (div & CSEL) >> CSEL_P;
-#ifndef CGU_DIV
- ssel = (div & SSEL) >> SSEL_P;
- if (ssel && ssel < (1 << csel)) /* SCLK > CCLK */
- cached_cclk = get_vco() / ssel;
- else
- cached_cclk = get_vco() >> csel;
-#else
- cached_cclk = get_vco() / csel;
-#endif
- return cached_cclk;
-}
-
-/* Get the System clock */
-#ifdef CGU_DIV
-
-static u_long cached_sclk_pll_div, cached_sclk;
-static u_long cached_sclk0, cached_sclk1, cached_dclk;
-static u_long _get_sclk(u_long *cache)
-{
- u_long div, ssel;
-
- if (pll_is_bypassed())
- return CONFIG_CLKIN_HZ;
-
- div = bfin_read_PLL_DIV();
- if (div == cached_sclk_pll_div)
- return *cache;
- else
- cached_sclk_pll_div = div;
-
- ssel = (div & SYSSEL) >> SYSSEL_P;
- cached_sclk = get_vco() / ssel;
-
- ssel = (div & S0SEL) >> S0SEL_P;
- cached_sclk0 = cached_sclk / ssel;
-
- ssel = (div & S1SEL) >> S1SEL_P;
- cached_sclk1 = cached_sclk / ssel;
-
- ssel = (div & DSEL) >> DSEL_P;
- cached_dclk = get_vco() / ssel;
-
- return *cache;
-}
-
-u_long get_sclk(void)
-{
- return _get_sclk(&cached_sclk);
-}
-
-u_long get_sclk0(void)
-{
- return _get_sclk(&cached_sclk0);
-}
-
-u_long get_sclk1(void)
-{
- return _get_sclk(&cached_sclk1);
-}
-
-u_long get_dclk(void)
-{
- return _get_sclk(&cached_dclk);
-}
-#else
-
-u_long get_sclk(void)
-{
- static u_long cached_sclk_pll_div, cached_sclk;
- u_long div, ssel;
-
- if (pll_is_bypassed())
- return CONFIG_CLKIN_HZ;
-
- div = bfin_read_PLL_DIV();
- if (div == cached_sclk_pll_div)
- return cached_sclk;
- else
- cached_sclk_pll_div = div;
-
- ssel = (div & SSEL) >> SSEL_P;
- cached_sclk = get_vco() / ssel;
-
- return cached_sclk;
-}
-
-#endif