From e1d3cd9451c106b292f1741bff1c6bbc6424e407 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 28 Sep 2022 14:14:23 +0200 Subject: ARM: omap2: remove APLL control These functions have no callers and can just be removed. Acked-by: Tony Lindgren Signed-off-by: Arnd Bergmann --- arch/arm/mach-omap2/cm2xxx.c | 97 --------------------------------------- arch/arm/mach-omap2/cm2xxx.h | 5 -- arch/arm/mach-omap2/cm2xxx_3xxx.h | 5 -- 3 files changed, 107 deletions(-) diff --git a/arch/arm/mach-omap2/cm2xxx.c b/arch/arm/mach-omap2/cm2xxx.c index 0827acb60584..17833e0f22f8 100644 --- a/arch/arm/mach-omap2/cm2xxx.c +++ b/arch/arm/mach-omap2/cm2xxx.c @@ -95,103 +95,6 @@ void omap2xxx_cm_set_dpll_auto_low_power_stop(void) _omap2xxx_set_dpll_autoidle(DPLL_AUTOIDLE_DISABLE); } -/* - * APLL control - */ - -static void _omap2xxx_set_apll_autoidle(u8 m, u32 mask) -{ - u32 v; - - v = omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE); - v &= ~mask; - v |= m << __ffs(mask); - omap2_cm_write_mod_reg(v, PLL_MOD, CM_AUTOIDLE); -} - -void omap2xxx_cm_set_apll54_disable_autoidle(void) -{ - _omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_LOW_POWER_STOP, - OMAP24XX_AUTO_54M_MASK); -} - -void omap2xxx_cm_set_apll54_auto_low_power_stop(void) -{ - _omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_DISABLE, - OMAP24XX_AUTO_54M_MASK); -} - -void omap2xxx_cm_set_apll96_disable_autoidle(void) -{ - _omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_LOW_POWER_STOP, - OMAP24XX_AUTO_96M_MASK); -} - -void omap2xxx_cm_set_apll96_auto_low_power_stop(void) -{ - _omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_DISABLE, - OMAP24XX_AUTO_96M_MASK); -} - -/* Enable an APLL if off */ -static int _omap2xxx_apll_enable(u8 enable_bit, u8 status_bit) -{ - u32 v, m; - - m = EN_APLL_LOCKED << enable_bit; - - v = omap2_cm_read_mod_reg(PLL_MOD, CM_CLKEN); - if (v & m) - return 0; /* apll already enabled */ - - v |= m; - omap2_cm_write_mod_reg(v, PLL_MOD, CM_CLKEN); - - omap2xxx_cm_wait_module_ready(0, PLL_MOD, 1, status_bit); - - /* - * REVISIT: Should we return an error code if - * omap2xxx_cm_wait_module_ready() fails? - */ - return 0; -} - -/* Stop APLL */ -static void _omap2xxx_apll_disable(u8 enable_bit) -{ - u32 v; - - v = omap2_cm_read_mod_reg(PLL_MOD, CM_CLKEN); - v &= ~(EN_APLL_LOCKED << enable_bit); - omap2_cm_write_mod_reg(v, PLL_MOD, CM_CLKEN); -} - -/* Enable an APLL if off */ -int omap2xxx_cm_apll54_enable(void) -{ - return _omap2xxx_apll_enable(OMAP24XX_EN_54M_PLL_SHIFT, - OMAP24XX_ST_54M_APLL_SHIFT); -} - -/* Enable an APLL if off */ -int omap2xxx_cm_apll96_enable(void) -{ - return _omap2xxx_apll_enable(OMAP24XX_EN_96M_PLL_SHIFT, - OMAP24XX_ST_96M_APLL_SHIFT); -} - -/* Stop APLL */ -void omap2xxx_cm_apll54_disable(void) -{ - _omap2xxx_apll_disable(OMAP24XX_EN_54M_PLL_SHIFT); -} - -/* Stop APLL */ -void omap2xxx_cm_apll96_disable(void) -{ - _omap2xxx_apll_disable(OMAP24XX_EN_96M_PLL_SHIFT); -} - /** * omap2xxx_cm_split_idlest_reg - split CM_IDLEST reg addr into its components * @idlest_reg: CM_IDLEST* virtual address diff --git a/arch/arm/mach-omap2/cm2xxx.h b/arch/arm/mach-omap2/cm2xxx.h index 004016d7459e..ee0cb40691b2 100644 --- a/arch/arm/mach-omap2/cm2xxx.h +++ b/arch/arm/mach-omap2/cm2xxx.h @@ -46,11 +46,6 @@ extern void omap2xxx_cm_set_dpll_disable_autoidle(void); extern void omap2xxx_cm_set_dpll_auto_low_power_stop(void); -extern void omap2xxx_cm_set_apll54_disable_autoidle(void); -extern void omap2xxx_cm_set_apll54_auto_low_power_stop(void); -extern void omap2xxx_cm_set_apll96_disable_autoidle(void); -extern void omap2xxx_cm_set_apll96_auto_low_power_stop(void); - int omap2xxx_cm_wait_module_ready(u8 part, s16 prcm_mod, u16 idlest_id, u8 idlest_shift); extern int omap2xxx_cm_fclks_active(void); diff --git a/arch/arm/mach-omap2/cm2xxx_3xxx.h b/arch/arm/mach-omap2/cm2xxx_3xxx.h index 70944b94cc09..6dfc09383160 100644 --- a/arch/arm/mach-omap2/cm2xxx_3xxx.h +++ b/arch/arm/mach-omap2/cm2xxx_3xxx.h @@ -93,11 +93,6 @@ static inline u32 omap2_cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx) return omap2_cm_rmw_mod_reg_bits(bits, 0x0, module, idx); } -extern int omap2xxx_cm_apll54_enable(void); -extern void omap2xxx_cm_apll54_disable(void); -extern int omap2xxx_cm_apll96_enable(void); -extern void omap2xxx_cm_apll96_disable(void); - #endif /* CM register bits shared between 24XX and 3430 */ -- cgit