return omap2_clk_apll_enable(clk, OMAP24XX_ST_54M_APLL_MASK);
}
+static void _apll96_allow_idle(struct clk *clk)
+{
+ omap2xxx_cm_set_apll96_auto_low_power_stop();
+}
+
+static void _apll96_deny_idle(struct clk *clk)
+{
+ omap2xxx_cm_set_apll96_disable_autoidle();
+}
+
+static void _apll54_allow_idle(struct clk *clk)
+{
+ omap2xxx_cm_set_apll54_auto_low_power_stop();
+}
+
+static void _apll54_deny_idle(struct clk *clk)
+{
+ omap2xxx_cm_set_apll54_disable_autoidle();
+}
+
/* Stop APLL */
static void omap2_clk_apll_disable(struct clk *clk)
{
const struct clkops clkops_apll96 = {
.enable = omap2_clk_apll96_enable,
.disable = omap2_clk_apll_disable,
+ .allow_idle = _apll96_allow_idle,
+ .deny_idle = _apll96_deny_idle,
};
const struct clkops clkops_apll54 = {
.enable = omap2_clk_apll54_enable,
.disable = omap2_clk_apll_disable,
+ .allow_idle = _apll54_allow_idle,
+ .deny_idle = _apll54_deny_idle,
};
/* Public functions */
#include "cm-regbits-24xx.h"
#include "cm-regbits-34xx.h"
-/* CM_AUTOIDLE_PLL.AUTO_* bit values */
+/* CM_AUTOIDLE_PLL.AUTO_* bit values for DPLLs */
#define DPLL_AUTOIDLE_DISABLE 0x0
#define OMAP2XXX_DPLL_AUTOIDLE_LOW_POWER_STOP 0x3
+/* CM_AUTOIDLE_PLL.AUTO_* bit values for APLLs (OMAP2xxx only) */
+#define OMAP2XXX_APLL_AUTOIDLE_DISABLE 0x0
+#define OMAP2XXX_APLL_AUTOIDLE_LOW_POWER_STOP 0x3
+
static const u8 cm_idlest_offs[] = {
CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3
};
_omap2xxx_set_dpll_autoidle(DPLL_AUTOIDLE_DISABLE);
}
+/*
+ * APLL autoidle 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);
+}
+
/*
*
*/
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);
+
#endif
/* CM register bits shared between 24XX and 3430 */
{
int i, num_mem_banks;
struct powerdomain *pwrdm;
- u32 v;
/* Enable autoidle */
omap2_prm_write_mod_reg(OMAP24XX_AUTOIDLE_MASK, OCP_MOD,
omap2_cm_write_mod_reg(OMAP2420_AUTO_DSP_IPI_MASK, OMAP24XX_DSP_MOD,
CM_AUTOIDLE);
- /* Put both APLLs into autoidle mode */
- v = omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE);
- v &= ~(OMAP24XX_AUTO_96M_MASK | OMAP24XX_AUTO_54M_SHIFT);
- v |= (0x03 << OMAP24XX_AUTO_96M_SHIFT) |
- (0x03 << OMAP24XX_AUTO_54M_SHIFT);
- omap2_cm_write_mod_reg(v, PLL_MOD, CM_AUTOIDLE);
-
omap2_cm_write_mod_reg(OMAP24XX_AUTO_OMAPCTRL_MASK |
OMAP24XX_AUTO_WDT1_MASK |
OMAP24XX_AUTO_MPU_WDT_MASK |