diff options
Diffstat (limited to 'arch/arm/mach-omap2/clock2xxx.c')
-rw-r--r-- | arch/arm/mach-omap2/clock2xxx.c | 86 |
1 files changed, 1 insertions, 85 deletions
diff --git a/arch/arm/mach-omap2/clock2xxx.c b/arch/arm/mach-omap2/clock2xxx.c index 11d6edb0b32f..88077e746966 100644 --- a/arch/arm/mach-omap2/clock2xxx.c +++ b/arch/arm/mach-omap2/clock2xxx.c @@ -44,16 +44,6 @@ #include "cm.h" #include "cm-regbits-24xx.h" - -/* CM_CLKEN_PLL.EN_{54,96}M_PLL options (24XX) */ -#define EN_APLL_STOPPED 0 -#define EN_APLL_LOCKED 3 - -/* CM_CLKSEL1_PLL.APLLS_CLKIN options (24XX) */ -#define APLLS_CLKIN_19_2MHZ 0 -#define APLLS_CLKIN_13MHZ 2 -#define APLLS_CLKIN_12MHZ 3 - struct clk *vclk, *sclk, *dclk; void __iomem *prcm_clksrc_ctrl; @@ -126,80 +116,6 @@ static void omap2_sys_clk_recalc(struct clk *clk) } #endif /* OLD_CK */ -/* Enable an APLL if off */ -static int omap2_clk_apll_enable(struct clk *clk, u32 status_mask) -{ - u32 cval, apll_mask; - - apll_mask = EN_APLL_LOCKED << clk->enable_bit; - - cval = cm_read_mod_reg(PLL_MOD, CM_CLKEN); - - if ((cval & apll_mask) == apll_mask) - return 0; /* apll already enabled */ - - cval &= ~apll_mask; - cval |= apll_mask; - cm_write_mod_reg(cval, PLL_MOD, CM_CLKEN); - - omap2_cm_wait_idlest(OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), status_mask, - clk->name); - - /* - * REVISIT: Should we return an error code if omap2_wait_clock_ready() - * fails? - */ - return 0; -} - -static int omap2_clk_apll96_enable(struct clk *clk) -{ - return omap2_clk_apll_enable(clk, OMAP24XX_ST_96M_APLL); -} - -static int omap2_clk_apll54_enable(struct clk *clk) -{ - return omap2_clk_apll_enable(clk, OMAP24XX_ST_54M_APLL); -} - -/* Stop APLL */ -static void omap2_clk_apll_disable(struct clk *clk) -{ - u32 cval; - - cval = cm_read_mod_reg(PLL_MOD, CM_CLKEN); - cval &= ~(EN_APLL_LOCKED << clk->enable_bit); - cm_write_mod_reg(cval, PLL_MOD, CM_CLKEN); -} - -const struct clkops clkops_apll96 = { - .enable = omap2_clk_apll96_enable, - .disable = omap2_clk_apll_disable, -}; - -const struct clkops clkops_apll54 = { - .enable = omap2_clk_apll54_enable, - .disable = omap2_clk_apll_disable, -}; - -static u32 omap2_get_apll_clkin(void) -{ - u32 aplls, srate = 0; - - aplls = cm_read_mod_reg(PLL_MOD, CM_CLKSEL1); - aplls &= OMAP24XX_APLLS_CLKIN_MASK; - aplls >>= OMAP24XX_APLLS_CLKIN_SHIFT; - - if (aplls == APLLS_CLKIN_19_2MHZ) - srate = 19200000; - else if (aplls == APLLS_CLKIN_13MHZ) - srate = 13000000; - else if (aplls == APLLS_CLKIN_12MHZ) - srate = 12000000; - - return srate; -} - static u32 omap2_get_sysclkdiv(void) { u32 div; @@ -213,7 +129,7 @@ static u32 omap2_get_sysclkdiv(void) unsigned long omap2_osc_clk_recalc(struct clk *clk) { - return omap2_get_apll_clkin() * omap2_get_sysclkdiv(); + return omap2xxx_get_apll_clkin() * omap2_get_sysclkdiv(); } unsigned long omap2_sys_clk_recalc(struct clk *clk) |