efHotAgingTrendMining memoryCall.c 朱俊杰 commit at 2021-03-31

efHotAgingTrendMining/dataSharedMemory/memoryCall.c

@@ -56,3 +56,187 @@ static void _write_clktrctrl(u8 c, s16 module, u32 mask)
 	omap2_cm_write_mod_reg(v, module, OMAP2_CM_CLKSTCTRL);
 }
 
+bool omap2xxx_cm_is_clkdm_in_hwsup(s16 module, u32 mask)
+{
+	u32 v;
+
+	v = omap2_cm_read_mod_reg(module, OMAP2_CM_CLKSTCTRL);
+	v &= mask;
+	v >>= __ffs(mask);
+
+	return (v == OMAP24XX_CLKSTCTRL_ENABLE_AUTO) ? 1 : 0;
+}
+
+void omap2xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask)
+{
+	_write_clktrctrl(OMAP24XX_CLKSTCTRL_ENABLE_AUTO, module, mask);
+}
+
+void omap2xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask)
+{
+	_write_clktrctrl(OMAP24XX_CLKSTCTRL_DISABLE_AUTO, module, mask);
+}
+
+/*
+ * DPLL autoidle control
+ */
+
+static void _omap2xxx_set_dpll_autoidle(u8 m)
+{
+	u32 v;
+
+	v = omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE);
+	v &= ~OMAP24XX_AUTO_DPLL_MASK;
+	v |= m << OMAP24XX_AUTO_DPLL_SHIFT;
+	omap2_cm_write_mod_reg(v, PLL_MOD, CM_AUTOIDLE);
+}
+
+void omap2xxx_cm_set_dpll_disable_autoidle(void)
+{
+	_omap2xxx_set_dpll_autoidle(OMAP2XXX_DPLL_AUTOIDLE_LOW_POWER_STOP);
+}
+
+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(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
+ * @prcm_inst: pointer to an s16 to return the PRCM instance offset
+ * @idlest_reg_id: pointer to a u8 to return the CM_IDLESTx register ID
+ *
+ * XXX This function is only needed until absolute register addresses are
+ * removed from the OMAP struct clk records.
+ */
+int omap2xxx_cm_split_idlest_reg(void __iomem *idlest_reg, s16 *prcm_inst,
+				 u8 *idlest_reg_id)
+{
+	unsigned long offs;
+	u8 idlest_offs;
+	int i;
+
+	if (idlest_reg < cm_base || idlest_reg > (cm_base + 0x0fff))
+		return -EINVAL;
+
+	idlest_offs = (unsigned long)idlest_reg & 0xff;
+	for (i = 0; i < ARRAY_SIZE(omap2xxx_cm_idlest_offs); i++) {
+		if (idlest_offs == omap2xxx_cm_idlest_offs[i]) {
+			*idlest_reg_id = i + 1;
+			break;
+		}
+	}
+
+	if (i == ARRAY_SIZE(omap2xxx_cm_idlest_offs))
+		return -EINVAL;
+
+	offs = idlest_reg - cm_base;
+	offs &= 0xff00;
+	*prcm_inst = offs;
+
+	return 0;
+}
+
+/*
+ *
+ */
+
+/**