# PRCM
obj-y += prcm.o prm_common.o
-obj-$(CONFIG_ARCH_OMAP2) += cm2xxx_3xxx.o prm2xxx_3xxx.o
-obj-$(CONFIG_ARCH_OMAP2) += prm2xxx.o
-obj-$(CONFIG_ARCH_OMAP3) += cm2xxx_3xxx.o prm2xxx_3xxx.o
-obj-$(CONFIG_ARCH_OMAP3) += prm3xxx.o
+obj-$(CONFIG_ARCH_OMAP2) += prm2xxx_3xxx.o prm2xxx.o cm2xxx.o
+obj-$(CONFIG_ARCH_OMAP3) += prm2xxx_3xxx.o prm3xxx.o cm3xxx.o
obj-$(CONFIG_ARCH_OMAP3) += vc3xxx_data.o vp3xxx_data.o
obj-$(CONFIG_SOC_AM33XX) += prm33xx.o cm33xx.o
omap-prcm-4-5-common = cminst44xx.o cm44xx.o prm44xx.o \
#include "clock.h"
#include "clock2xxx.h"
-#include "cm2xxx_3xxx.h"
+#include "cm2xxx.h"
#include "cm-regbits-24xx.h"
/* CM_CLKEN_PLL.EN_{54,96}M_PLL options (24XX) */
#include <plat/clock.h>
#include "clock.h"
-#include "cm2xxx_3xxx.h"
+#include "cm2xxx.h"
#include "cm-regbits-24xx.h"
/* Private functions */
#include "soc.h"
#include "clockdomain.h"
#include "clock.h"
-#include "cm2xxx_3xxx.h"
+#include "cm2xxx.h"
+#include "cm3xxx.h"
#include "cm-regbits-24xx.h"
#include "cm-regbits-34xx.h"
#include "clock.h"
#include "clock2xxx.h"
#include "opp2xxx.h"
-#include "cm2xxx_3xxx.h"
+#include "cm2xxx.h"
#include "prm2xxx_3xxx.h"
#include "prm-regbits-24xx.h"
#include "cm-regbits-24xx.h"
#include "iomap.h"
#include "clock.h"
#include "clock2xxx.h"
-#include "cm2xxx_3xxx.h"
+#include "cm2xxx.h"
#include "cm-regbits-24xx.h"
/**
#include "clock.h"
#include "clock2xxx.h"
#include "opp2xxx.h"
-#include "cm2xxx_3xxx.h"
+#include "cm2xxx.h"
#include "prm2xxx_3xxx.h"
#include "prm-regbits-24xx.h"
#include "cm-regbits-24xx.h"
#include "clock.h"
#include "clock34xx.h"
-#include "cm2xxx_3xxx.h"
+#include "cm3xxx.h"
#include "cm-regbits-34xx.h"
/**
#include "clock.h"
#include "clock3517.h"
-#include "cm2xxx_3xxx.h"
+#include "cm3xxx.h"
#include "cm-regbits-34xx.h"
/*
#include "clock34xx.h"
#include "clock36xx.h"
#include "clock3517.h"
-#include "cm2xxx_3xxx.h"
+#include "cm3xxx.h"
#include "cm-regbits-34xx.h"
#include "prm2xxx_3xxx.h"
#include "prm-regbits-34xx.h"
#include "prm.h"
#include "prm2xxx_3xxx.h"
#include "cm.h"
-#include "cm2xxx_3xxx.h"
+#include "cm2xxx.h"
+#include "cm3xxx.h"
#include "cm-regbits-24xx.h"
#include "cm-regbits-34xx.h"
#include "prm-regbits-24xx.h"
return 0;
}
-static int omap2_clkdm_clk_enable(struct clockdomain *clkdm)
+static int omap2xxx_clkdm_clk_enable(struct clockdomain *clkdm)
{
bool hwsup = false;
if (!clkdm->clktrctrl_mask)
return 0;
- hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
+ hwsup = omap3xxx_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
+ clkdm->clktrctrl_mask);
if (hwsup) {
/* Disable HW transitions when we are changing deps */
return 0;
}
-static int omap2_clkdm_clk_disable(struct clockdomain *clkdm)
+static int omap2xxx_clkdm_clk_disable(struct clockdomain *clkdm)
{
bool hwsup = false;
if (!clkdm->clktrctrl_mask)
return 0;
- hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
+ hwsup = omap3xxx_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
+ clkdm->clktrctrl_mask);
if (hwsup) {
/* Disable HW transitions when we are changing deps */
return 0;
}
- hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
+ hwsup = omap2xxx_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
+ clkdm->clktrctrl_mask);
if (hwsup) {
/* Disable HW transitions when we are changing deps */
return 0;
}
- hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
- clkdm->clktrctrl_mask);
+ hwsup = omap2xxx_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
+ clkdm->clktrctrl_mask);
if (hwsup) {
/* Disable HW transitions when we are changing deps */
.clkdm_wakeup = omap2_clkdm_wakeup,
.clkdm_allow_idle = omap2_clkdm_allow_idle,
.clkdm_deny_idle = omap2_clkdm_deny_idle,
- .clkdm_clk_enable = omap2_clkdm_clk_enable,
- .clkdm_clk_disable = omap2_clkdm_clk_disable,
+ .clkdm_clk_enable = omap2xxx_clkdm_clk_enable,
+ .clkdm_clk_disable = omap2xxx_clkdm_clk_disable,
};
struct clkdm_ops omap3_clkdm_operations = {
--- /dev/null
+/*
+ * OMAP2xxx CM module functions
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Copyright (C) 2012 Texas Instruments, Inc.
+ * Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include "soc.h"
+#include "iomap.h"
+#include "common.h"
+#include "cm.h"
+#include "cm2xxx.h"
+#include "cm-regbits-24xx.h"
+
+/* 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 omap2xxx_cm_idlest_offs[] = {
+ CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3, OMAP24XX_CM_IDLEST4
+};
+
+/*
+ *
+ */
+
+static void _write_clktrctrl(u8 c, s16 module, u32 mask)
+{
+ u32 v;
+
+ v = omap2_cm_read_mod_reg(module, OMAP2_CM_CLKSTCTRL);
+ v &= ~mask;
+ v |= c << __ffs(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 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);
+}
+
+/*
+ *
+ */
+
+/**
+ * omap2xxx_cm_wait_module_ready - wait for a module to leave idle or standby
+ * @prcm_mod: PRCM module offset
+ * @idlest_id: CM_IDLESTx register ID (i.e., x = 1, 2, 3)
+ * @idlest_shift: shift of the bit in the CM_IDLEST* register to check
+ *
+ * Wait for the PRCM to indicate that the module identified by
+ * (@prcm_mod, @idlest_id, @idlest_shift) is clocked. Return 0 upon
+ * success or -EBUSY if the module doesn't enable in time.
+ */
+int omap2xxx_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift)
+{
+ int ena = 0, i = 0;
+ u8 cm_idlest_reg;
+ u32 mask;
+
+ if (!idlest_id || (idlest_id > ARRAY_SIZE(omap2xxx_cm_idlest_offs)))
+ return -EINVAL;
+
+ cm_idlest_reg = omap2xxx_cm_idlest_offs[idlest_id - 1];
+
+ mask = 1 << idlest_shift;
+ ena = mask;
+
+ omap_test_timeout(((omap2_cm_read_mod_reg(prcm_mod, cm_idlest_reg) &
+ mask) == ena), MAX_MODULE_READY_TIME, i);
+
+ return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
+}
--- /dev/null
+/*
+ * OMAP2xxx Clock Management (CM) register definitions
+ *
+ * Copyright (C) 2007-2009, 2012 Texas Instruments, Inc.
+ * Copyright (C) 2007-2010 Nokia Corporation
+ * Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * The CM hardware modules on the OMAP2/3 are quite similar to each
+ * other. The CM modules/instances on OMAP4 are quite different, so
+ * they are handled in a separate file.
+ */
+#ifndef __ARCH_ASM_MACH_OMAP2_CM2XXX_H
+#define __ARCH_ASM_MACH_OMAP2_CM2XXX_H
+
+#include "prcm-common.h"
+#include "cm2xxx_3xxx.h"
+
+#define OMAP2420_CM_REGADDR(module, reg) \
+ OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg))
+#define OMAP2430_CM_REGADDR(module, reg) \
+ OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg))
+
+/*
+ * Module specific CM register offsets from CM_BASE + domain offset
+ * Use cm_{read,write}_mod_reg() with these registers.
+ * These register offsets generally appear in more than one PRCM submodule.
+ */
+
+/* OMAP2-specific register offsets */
+
+#define OMAP24XX_CM_FCLKEN2 0x0004
+#define OMAP24XX_CM_ICLKEN4 0x001c
+#define OMAP24XX_CM_AUTOIDLE4 0x003c
+#define OMAP24XX_CM_IDLEST4 0x002c
+
+/* CM_IDLEST bit field values to indicate deasserted IdleReq */
+
+#define OMAP24XX_CM_IDLEST_VAL 0
+
+
+/* Clock management domain register get/set */
+
+#ifndef __ASSEMBLER__
+
+extern void omap2xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask);
+extern void omap2xxx_cm_clkdm_disable_hwsup(s16 module, u32 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);
+
+extern bool omap2xxx_cm_is_clkdm_in_hwsup(s16 module, u32 mask);
+extern int omap2xxx_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id,
+ u8 idlest_shift);
+
+#endif
+
+#endif
#include "prcm-common.h"
-#define OMAP2420_CM_REGADDR(module, reg) \
- OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg))
-#define OMAP2430_CM_REGADDR(module, reg) \
- OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg))
-#define OMAP34XX_CM_REGADDR(module, reg) \
- OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE + (module) + (reg))
-
-
-/*
- * OMAP3-specific global CM registers
- * Use cm_{read,write}_reg() with these registers.
- * These registers appear once per CM module.
- */
-
-#define OMAP3430_CM_REVISION OMAP34XX_CM_REGADDR(OCP_MOD, 0x0000)
-#define OMAP3430_CM_SYSCONFIG OMAP34XX_CM_REGADDR(OCP_MOD, 0x0010)
-#define OMAP3430_CM_POLCTRL OMAP34XX_CM_REGADDR(OCP_MOD, 0x009c)
-
-#define OMAP3_CM_CLKOUT_CTRL_OFFSET 0x0070
-#define OMAP3430_CM_CLKOUT_CTRL OMAP_CM_REGADDR(OMAP3430_CCR_MOD, 0x0070)
-
/*
* Module specific CM register offsets from CM_BASE + domain offset
* Use cm_{read,write}_mod_reg() with these registers.
#define CM_IDLEST 0x0020
#define CM_IDLEST1 CM_IDLEST
#define CM_IDLEST2 0x0024
+#define OMAP2430_CM_IDLEST3 0x0028
#define CM_AUTOIDLE 0x0030
#define CM_AUTOIDLE1 CM_AUTOIDLE
#define CM_AUTOIDLE2 0x0034
#define CM_CLKSEL2 0x0044
#define OMAP2_CM_CLKSTCTRL 0x0048
-/* OMAP2-specific register offsets */
-
-#define OMAP24XX_CM_FCLKEN2 0x0004
-#define OMAP24XX_CM_ICLKEN4 0x001c
-#define OMAP24XX_CM_AUTOIDLE4 0x003c
-#define OMAP24XX_CM_IDLEST4 0x002c
-
-#define OMAP2430_CM_IDLEST3 0x0028
-
-/* OMAP3-specific register offsets */
-
-#define OMAP3430_CM_CLKEN_PLL 0x0004
-#define OMAP3430ES2_CM_CLKEN2 0x0004
-#define OMAP3430ES2_CM_FCLKEN3 0x0008
-#define OMAP3430_CM_IDLEST_PLL CM_IDLEST2
-#define OMAP3430_CM_AUTOIDLE_PLL CM_AUTOIDLE2
-#define OMAP3430ES2_CM_AUTOIDLE2_PLL CM_AUTOIDLE2
-#define OMAP3430_CM_CLKSEL1 CM_CLKSEL
-#define OMAP3430_CM_CLKSEL1_PLL CM_CLKSEL
-#define OMAP3430_CM_CLKSEL2_PLL CM_CLKSEL2
-#define OMAP3430_CM_SLEEPDEP CM_CLKSEL2
-#define OMAP3430_CM_CLKSEL3 OMAP2_CM_CLKSTCTRL
-#define OMAP3430_CM_CLKSTST 0x004c
-#define OMAP3430ES2_CM_CLKSEL4 0x004c
-#define OMAP3430ES2_CM_CLKSEL5 0x0050
-#define OMAP3430_CM_CLKSEL2_EMU 0x0050
-#define OMAP3430_CM_CLKSEL3_EMU 0x0054
-
-
-/* CM_IDLEST bit field values to indicate deasserted IdleReq */
-
-#define OMAP24XX_CM_IDLEST_VAL 0
-#define OMAP34XX_CM_IDLEST_VAL 1
+#ifndef __ASSEMBLER__
+#include <linux/io.h>
-/* Clock management domain register get/set */
+static inline u32 omap2_cm_read_mod_reg(s16 module, u16 idx)
+{
+ return __raw_readl(cm_base + module + idx);
+}
-#ifndef __ASSEMBLER__
+static inline void omap2_cm_write_mod_reg(u32 val, s16 module, u16 idx)
+{
+ __raw_writel(val, cm_base + module + idx);
+}
-extern u32 omap2_cm_read_mod_reg(s16 module, u16 idx);
-extern void omap2_cm_write_mod_reg(u32 val, s16 module, u16 idx);
-extern u32 omap2_cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx);
+/* Read-modify-write a register in a CM module. Caller must lock */
+static inline u32 omap2_cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module,
+ s16 idx)
+{
+ u32 v;
-extern int omap2_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id,
- u8 idlest_shift);
-extern u32 omap2_cm_set_mod_reg_bits(u32 bits, s16 module, s16 idx);
-extern u32 omap2_cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx);
+ v = omap2_cm_read_mod_reg(module, idx);
+ v &= ~mask;
+ v |= bits;
+ omap2_cm_write_mod_reg(v, module, idx);
-extern bool omap2_cm_is_clkdm_in_hwsup(s16 module, u32 mask);
-extern void omap2xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask);
-extern void omap2xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask);
+ return v;
+}
-extern void omap3xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask);
-extern void omap3xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask);
-extern void omap3xxx_cm_clkdm_force_sleep(s16 module, u32 mask);
-extern void omap3xxx_cm_clkdm_force_wakeup(s16 module, u32 mask);
+static inline u32 omap2_cm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
+{
+ return omap2_cm_rmw_mod_reg_bits(bits, bits, module, idx);
+}
-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);
+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);
+}
#endif
#define OMAP_ST_GFX_MASK (1 << 0)
-/* Function prototypes */
-# ifndef __ASSEMBLER__
-extern void omap3_cm_save_context(void);
-extern void omap3_cm_restore_context(void);
-# endif
-
#endif
* OMAP2/3 CM module functions
*
* Copyright (C) 2009 Nokia Corporation
+ * Copyright (C) 2012 Texas Instruments, Inc.
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/delay.h>
-#include <linux/spinlock.h>
-#include <linux/list.h>
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/io.h>
#include "iomap.h"
#include "common.h"
#include "cm.h"
-#include "cm2xxx_3xxx.h"
-#include "cm-regbits-24xx.h"
+#include "cm3xxx.h"
#include "cm-regbits-34xx.h"
-/* 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, OMAP24XX_CM_IDLEST4
+static const u8 omap3xxx_cm_idlest_offs[] = {
+ CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3
};
-u32 omap2_cm_read_mod_reg(s16 module, u16 idx)
-{
- return __raw_readl(cm_base + module + idx);
-}
-
-void omap2_cm_write_mod_reg(u32 val, s16 module, u16 idx)
-{
- __raw_writel(val, cm_base + module + idx);
-}
-
-/* Read-modify-write a register in a CM module. Caller must lock */
-u32 omap2_cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
-{
- u32 v;
-
- v = omap2_cm_read_mod_reg(module, idx);
- v &= ~mask;
- v |= bits;
- omap2_cm_write_mod_reg(v, module, idx);
-
- return v;
-}
-
-u32 omap2_cm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
-{
- return omap2_cm_rmw_mod_reg_bits(bits, bits, module, idx);
-}
-
-u32 omap2_cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
-{
- return omap2_cm_rmw_mod_reg_bits(bits, 0x0, module, idx);
-}
-
/*
*
*/
omap2_cm_write_mod_reg(v, module, OMAP2_CM_CLKSTCTRL);
}
-bool omap2_cm_is_clkdm_in_hwsup(s16 module, u32 mask)
+bool omap3xxx_cm_is_clkdm_in_hwsup(s16 module, u32 mask)
{
u32 v;
- bool ret = 0;
-
- BUG_ON(!cpu_is_omap24xx() && !cpu_is_omap34xx());
v = omap2_cm_read_mod_reg(module, OMAP2_CM_CLKSTCTRL);
v &= mask;
v >>= __ffs(mask);
- if (cpu_is_omap24xx())
- ret = (v == OMAP24XX_CLKSTCTRL_ENABLE_AUTO) ? 1 : 0;
- else
- ret = (v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) ? 1 : 0;
-
- return ret;
-}
-
-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);
+ return (v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) ? 1 : 0;
}
void omap3xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask)
_write_clktrctrl(OMAP34XX_CLKSTCTRL_FORCE_WAKEUP, 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 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);
-}
-
/*
*
*/
/**
- * omap2_cm_wait_idlest_ready - wait for a module to leave idle or standby
+ * omap3xxx_cm_wait_module_ready - wait for a module to leave idle or standby
* @prcm_mod: PRCM module offset
* @idlest_id: CM_IDLESTx register ID (i.e., x = 1, 2, 3)
* @idlest_shift: shift of the bit in the CM_IDLEST* register to check
*
- * XXX document
+ * Wait for the PRCM to indicate that the module identified by
+ * (@prcm_mod, @idlest_id, @idlest_shift) is clocked. Return 0 upon
+ * success or -EBUSY if the module doesn't enable in time.
*/
-int omap2_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift)
+int omap3xxx_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift)
{
int ena = 0, i = 0;
u8 cm_idlest_reg;
u32 mask;
- if (!idlest_id || (idlest_id > ARRAY_SIZE(cm_idlest_offs)))
+ if (!idlest_id || (idlest_id > ARRAY_SIZE(omap3xxx_cm_idlest_offs)))
return -EINVAL;
- cm_idlest_reg = cm_idlest_offs[idlest_id - 1];
+ cm_idlest_reg = omap3xxx_cm_idlest_offs[idlest_id - 1];
mask = 1 << idlest_shift;
+ ena = 0;
- if (cpu_is_omap24xx())
- ena = mask;
- else if (cpu_is_omap34xx())
- ena = 0;
- else
- BUG();
-
- omap_test_timeout(((omap2_cm_read_mod_reg(prcm_mod, cm_idlest_reg) & mask) == ena),
- MAX_MODULE_READY_TIME, i);
+ omap_test_timeout(((omap2_cm_read_mod_reg(prcm_mod, cm_idlest_reg) &
+ mask) == ena), MAX_MODULE_READY_TIME, i);
return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
}
/*
* Context save/restore code - OMAP3 only
*/
-#ifdef CONFIG_ARCH_OMAP3
struct omap3_cm_regs {
u32 iva2_cm_clksel1;
u32 iva2_cm_clksel2;
omap2_cm_write_mod_reg(cm_context.cm_clkout_ctrl, OMAP3430_CCR_MOD,
OMAP3_CM_CLKOUT_CTRL_OFFSET);
}
-#endif
--- /dev/null
+/*
+ * OMAP2/3 Clock Management (CM) register definitions
+ *
+ * Copyright (C) 2007-2009 Texas Instruments, Inc.
+ * Copyright (C) 2007-2010 Nokia Corporation
+ * Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * The CM hardware modules on the OMAP2/3 are quite similar to each
+ * other. The CM modules/instances on OMAP4 are quite different, so
+ * they are handled in a separate file.
+ */
+#ifndef __ARCH_ASM_MACH_OMAP2_CM3XXX_H
+#define __ARCH_ASM_MACH_OMAP2_CM3XXX_H
+
+#include "prcm-common.h"
+#include "cm2xxx_3xxx.h"
+
+#define OMAP34XX_CM_REGADDR(module, reg) \
+ OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE + (module) + (reg))
+
+
+/*
+ * OMAP3-specific global CM registers
+ * Use cm_{read,write}_reg() with these registers.
+ * These registers appear once per CM module.
+ */
+
+#define OMAP3430_CM_REVISION OMAP34XX_CM_REGADDR(OCP_MOD, 0x0000)
+#define OMAP3430_CM_SYSCONFIG OMAP34XX_CM_REGADDR(OCP_MOD, 0x0010)
+#define OMAP3430_CM_POLCTRL OMAP34XX_CM_REGADDR(OCP_MOD, 0x009c)
+
+#define OMAP3_CM_CLKOUT_CTRL_OFFSET 0x0070
+#define OMAP3430_CM_CLKOUT_CTRL OMAP_CM_REGADDR(OMAP3430_CCR_MOD, 0x0070)
+
+/*
+ * Module specific CM register offsets from CM_BASE + domain offset
+ * Use cm_{read,write}_mod_reg() with these registers.
+ * These register offsets generally appear in more than one PRCM submodule.
+ */
+
+/* OMAP3-specific register offsets */
+
+#define OMAP3430_CM_CLKEN_PLL 0x0004
+#define OMAP3430ES2_CM_CLKEN2 0x0004
+#define OMAP3430ES2_CM_FCLKEN3 0x0008
+#define OMAP3430_CM_IDLEST_PLL CM_IDLEST2
+#define OMAP3430_CM_AUTOIDLE_PLL CM_AUTOIDLE2
+#define OMAP3430ES2_CM_AUTOIDLE2_PLL CM_AUTOIDLE2
+#define OMAP3430_CM_CLKSEL1 CM_CLKSEL
+#define OMAP3430_CM_CLKSEL1_PLL CM_CLKSEL
+#define OMAP3430_CM_CLKSEL2_PLL CM_CLKSEL2
+#define OMAP3430_CM_SLEEPDEP CM_CLKSEL2
+#define OMAP3430_CM_CLKSEL3 OMAP2_CM_CLKSTCTRL
+#define OMAP3430_CM_CLKSTST 0x004c
+#define OMAP3430ES2_CM_CLKSEL4 0x004c
+#define OMAP3430ES2_CM_CLKSEL5 0x0050
+#define OMAP3430_CM_CLKSEL2_EMU 0x0050
+#define OMAP3430_CM_CLKSEL3_EMU 0x0054
+
+
+/* CM_IDLEST bit field values to indicate deasserted IdleReq */
+
+#define OMAP34XX_CM_IDLEST_VAL 1
+
+
+#ifndef __ASSEMBLER__
+
+extern void omap3xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask);
+extern void omap3xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask);
+extern void omap3xxx_cm_clkdm_force_sleep(s16 module, u32 mask);
+extern void omap3xxx_cm_clkdm_force_wakeup(s16 module, u32 mask);
+
+extern bool omap3xxx_cm_is_clkdm_in_hwsup(s16 module, u32 mask);
+extern int omap3xxx_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id,
+ u8 idlest_shift);
+
+extern void omap3_cm_save_context(void);
+extern void omap3_cm_restore_context(void);
+
+#endif
+
+#endif
#include "cm-regbits-34xx.h"
#include "prm-regbits-34xx.h"
#include "prm3xxx.h"
-#include "cm2xxx_3xxx.h"
+#include "cm3xxx.h"
#include "sdrc.h"
#include "pm.h"
#include "control.h"
#include "common.h"
#include "clockdomain.h"
#include "powerdomain.h"
-#include "cm2xxx_3xxx.h"
+#include "cm2xxx.h"
+#include "cm3xxx.h"
#include "cminst44xx.h"
#include "cm33xx.h"
#include "prm3xxx.h"
/* Static functions intended only for use in soc_ops field function pointers */
/**
- * _omap2_wait_target_ready - wait for a module to leave slave idle
+ * _omap2xxx_wait_target_ready - wait for a module to leave slave idle
* @oh: struct omap_hwmod *
*
* Wait for a module @oh to leave slave idle. Returns 0 if the module
* slave idle; otherwise, pass along the return value of the
* appropriate *_cm*_wait_module_ready() function.
*/
-static int _omap2_wait_target_ready(struct omap_hwmod *oh)
+static int _omap2xxx_wait_target_ready(struct omap_hwmod *oh)
{
if (!oh)
return -EINVAL;
/* XXX check module SIDLEMODE, hardreset status, enabled clocks */
- return omap2_cm_wait_module_ready(oh->prcm.omap2.module_offs,
- oh->prcm.omap2.idlest_reg_id,
- oh->prcm.omap2.idlest_idle_bit);
+ return omap2xxx_cm_wait_module_ready(oh->prcm.omap2.module_offs,
+ oh->prcm.omap2.idlest_reg_id,
+ oh->prcm.omap2.idlest_idle_bit);
+}
+
+/**
+ * _omap3xxx_wait_target_ready - wait for a module to leave slave idle
+ * @oh: struct omap_hwmod *
+ *
+ * Wait for a module @oh to leave slave idle. Returns 0 if the module
+ * does not have an IDLEST bit or if the module successfully leaves
+ * slave idle; otherwise, pass along the return value of the
+ * appropriate *_cm*_wait_module_ready() function.
+ */
+static int _omap3xxx_wait_target_ready(struct omap_hwmod *oh)
+{
+ if (!oh)
+ return -EINVAL;
+
+ if (oh->flags & HWMOD_NO_IDLEST)
+ return 0;
+
+ if (!_find_mpu_rt_port(oh))
+ return 0;
+
+ /* XXX check module SIDLEMODE, hardreset status, enabled clocks */
+
+ return omap3xxx_cm_wait_module_ready(oh->prcm.omap2.module_offs,
+ oh->prcm.omap2.idlest_reg_id,
+ oh->prcm.omap2.idlest_idle_bit);
}
/**
*/
void __init omap_hwmod_init(void)
{
- if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
- soc_ops.wait_target_ready = _omap2_wait_target_ready;
+ if (cpu_is_omap24xx()) {
+ soc_ops.wait_target_ready = _omap2xxx_wait_target_ready;
+ soc_ops.assert_hardreset = _omap2_assert_hardreset;
+ soc_ops.deassert_hardreset = _omap2_deassert_hardreset;
+ soc_ops.is_hardreset_asserted = _omap2_is_hardreset_asserted;
+ } else if (cpu_is_omap34xx()) {
+ soc_ops.wait_target_ready = _omap3xxx_wait_target_ready;
soc_ops.assert_hardreset = _omap2_assert_hardreset;
soc_ops.deassert_hardreset = _omap2_deassert_hardreset;
soc_ops.is_hardreset_asserted = _omap2_is_hardreset_asserted;
#include "common.h"
#include "prm2xxx.h"
#include "prm-regbits-24xx.h"
-#include "cm2xxx_3xxx.h"
+#include "cm2xxx.h"
#include "cm-regbits-24xx.h"
#include "sdrc.h"
#include "pm.h"
#include <plat/dma.h>
#include "common.h"
-#include "cm2xxx_3xxx.h"
+#include "cm3xxx.h"
#include "cm-regbits-34xx.h"
#include "prm-regbits-34xx.h"
-
#include "prm3xxx.h"
#include "pm.h"
#include "sdrc.h"
#include "omap34xx.h"
#include "iomap.h"
-#include "cm2xxx_3xxx.h"
+#include "cm3xxx.h"
#include "prm3xxx.h"
#include "sdrc.h"
#include "control.h"
#include "soc.h"
#include "iomap.h"
#include "prm2xxx.h"
-#include "cm2xxx_3xxx.h"
+#include "cm2xxx.h"
#include "sdrc.h"
.text
#include "soc.h"
#include "iomap.h"
#include "prm2xxx.h"
-#include "cm2xxx_3xxx.h"
+#include "cm2xxx.h"
#include "sdrc.h"
.text
#include "soc.h"
#include "iomap.h"
#include "sdrc.h"
-#include "cm2xxx_3xxx.h"
+#include "cm3xxx.h"
/*
* This file needs be built unconditionally as ARM to interoperate correctly
projects / linux-beck.git / commitdiff