[PATCH 1/5] clk: mmp: add mmp specific clocks
From: Chao Xie
Date: Tue Jul 31 2012 - 02:40:49 EST
From: Chao Xie <chao.xie@xxxxxxxxxxx>
add mmp specific clocks including apbc cloks, apmu clocks,
and pll2, fraction clocks
Signed-off-by: Chao Xie <xiechao.mail@xxxxxxxxx>
---
drivers/clk/Makefile | 3 +
drivers/clk/mmp/Makefile | 5 ++
drivers/clk/mmp/clk-apbc.c | 141 +++++++++++++++++++++++++++++++++++++++
drivers/clk/mmp/clk-apmu.c | 86 ++++++++++++++++++++++++
drivers/clk/mmp/clk-frac.c | 142 ++++++++++++++++++++++++++++++++++++++++
drivers/clk/mmp/clk-pll2.c | 156 ++++++++++++++++++++++++++++++++++++++++++++
drivers/clk/mmp/clk.h | 95 +++++++++++++++++++++++++++
7 files changed, 628 insertions(+), 0 deletions(-)
create mode 100644 drivers/clk/mmp/Makefile
create mode 100644 drivers/clk/mmp/clk-apbc.c
create mode 100644 drivers/clk/mmp/clk-apmu.c
create mode 100644 drivers/clk/mmp/clk-frac.c
create mode 100644 drivers/clk/mmp/clk-pll2.c
create mode 100644 drivers/clk/mmp/clk.h
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index b9a5158..9fdb1d7 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -5,3 +5,6 @@ obj-$(CONFIG_COMMON_CLK) += clk.o clk-fixed-rate.o clk-gate.o \
# SoCs specific
obj-$(CONFIG_ARCH_MXS) += mxs/
obj-$(CONFIG_PLAT_SPEAR) += spear/
+ifeq ($(CONFIG_COMMON_CLK), y)
+obj-$(CONFIG_ARCH_MMP) += mmp/
+endif
diff --git a/drivers/clk/mmp/Makefile b/drivers/clk/mmp/Makefile
new file mode 100644
index 0000000..a263cb7
--- /dev/null
+++ b/drivers/clk/mmp/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for mmp specific clk
+#
+
+obj-y += clk-apbc.o clk-apmu.o clk-frac.o clk-pll2.o
diff --git a/drivers/clk/mmp/clk-apbc.c b/drivers/clk/mmp/clk-apbc.c
new file mode 100644
index 0000000..94d71ad
--- /dev/null
+++ b/drivers/clk/mmp/clk-apbc.c
@@ -0,0 +1,141 @@
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+
+#include "clk.h"
+
+/* Common APB clock register bit definitions */
+#define APBC_APBCLK (1 << 0) /* APB Bus Clock Enable */
+#define APBC_FNCLK (1 << 1) /* Functional Clock Enable */
+#define APBC_RST (1 << 2) /* Reset Generation */
+#define APBC_POWER (1 << 7) /* Reset Generation */
+
+#define to_clk_apbc(hw) container_of(hw, struct clk_apbc, hw)
+struct clk_apbc {
+ struct clk_hw hw;
+ void __iomem *base;
+ unsigned int delay;
+ unsigned int flags;
+ spinlock_t *lock;
+};
+
+static int clk_apbc_prepare(struct clk_hw *hw)
+{
+ struct clk_apbc *apbc = to_clk_apbc(hw);
+ unsigned int data;
+ unsigned long flags = 0;
+
+ /*
+ * It may share same register as MUX clock,
+ * and it will impact FNCLK enable. Spinlock is needed
+ */
+ if (apbc->lock)
+ spin_lock_irqsave(apbc->lock, flags);
+
+ data = __raw_readl(apbc->base);
+ if (apbc->flags & APBC_POWER_CTRL)
+ data |= APBC_POWER;
+ data |= APBC_FNCLK;
+ __raw_writel(data, apbc->base);
+
+ if (apbc->lock)
+ spin_unlock_irqrestore(apbc->lock, flags);
+
+ udelay(apbc->delay);
+
+ if (apbc->lock)
+ spin_lock_irqsave(apbc->lock, flags);
+
+ data = __raw_readl(apbc->base);
+ data |= APBC_APBCLK;
+ __raw_writel(data, apbc->base);
+
+ if (apbc->lock)
+ spin_unlock_irqrestore(apbc->lock, flags);
+
+ udelay(apbc->delay);
+
+ if (!(apbc->flags & APBC_NO_BUS_CTRL)) {
+ if (apbc->lock)
+ spin_lock_irqsave(apbc->lock, flags);
+
+ data = __raw_readl(apbc->base);
+ data &= ~APBC_RST;
+ __raw_writel(data, apbc->base);
+
+ if (apbc->lock)
+ spin_unlock_irqrestore(apbc->lock, flags);
+ }
+
+ return 0;
+}
+
+static void clk_apbc_unprepare(struct clk_hw *hw)
+{
+ struct clk_apbc *apbc = to_clk_apbc(hw);
+ unsigned long data;
+ unsigned long flags = 0;
+
+ if (apbc->lock)
+ spin_lock_irqsave(apbc->lock, flags);
+
+ data = __raw_readl(apbc->base);
+ if (apbc->flags & APBC_POWER_CTRL)
+ data &= ~APBC_POWER;
+ data &= ~APBC_FNCLK;
+ __raw_writel(data, apbc->base);
+
+ if (apbc->lock)
+ spin_unlock_irqrestore(apbc->lock, flags);
+
+ udelay(10);
+
+ if (apbc->lock)
+ spin_lock_irqsave(apbc->lock, flags);
+
+ data = __raw_readl(apbc->base);
+ data &= ~APBC_APBCLK;
+ __raw_writel(data, apbc->base);
+
+ if (apbc->lock)
+ spin_unlock_irqrestore(apbc->lock, flags);
+}
+
+struct clk_ops clk_apbc_ops = {
+ .prepare = clk_apbc_prepare,
+ .unprepare = clk_apbc_unprepare,
+};
+
+struct clk *mmp_clk_register_apbc(const char *name, const char *parent_name,
+ void __iomem *base, unsigned int delay,
+ unsigned int apbc_flags, spinlock_t *lock)
+{
+ struct clk_apbc *apbc;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ apbc = kzalloc(sizeof(*apbc), GFP_KERNEL);
+ if (!apbc)
+ return NULL;
+
+ init.name = name;
+ init.ops = &clk_apbc_ops;
+ init.flags = CLK_SET_RATE_PARENT;
+ init.parent_names = (parent_name ? &parent_name : NULL);
+ init.num_parents = (parent_name ? 1 : 0);
+
+ apbc->base = base;
+ apbc->delay = delay;
+ apbc->flags = apbc_flags;
+ apbc->lock = lock;
+ apbc->hw.init = &init;
+
+ clk = clk_register(NULL, &apbc->hw);
+ if (IS_ERR(clk))
+ kfree(apbc);
+
+ return clk;
+}
diff --git a/drivers/clk/mmp/clk-apmu.c b/drivers/clk/mmp/clk-apmu.c
new file mode 100644
index 0000000..4bfda4f
--- /dev/null
+++ b/drivers/clk/mmp/clk-apmu.c
@@ -0,0 +1,86 @@
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+
+#include "clk.h"
+
+#define to_clk_apmu(clk) (container_of(clk, struct clk_apmu, clk))
+struct clk_apmu {
+ struct clk_hw hw;
+ void __iomem *base;
+ u32 rst_mask;
+ u32 enable_mask;
+ spinlock_t *lock;
+};
+
+static int clk_apmu_enable(struct clk_hw *hw)
+{
+ struct clk_apmu *apmu = to_clk_apmu(hw);
+ unsigned long data;
+ unsigned long flags = 0;
+
+ if (apmu->lock)
+ spin_lock_irqsave(apmu->lock, flags);
+
+ data = __raw_readl(apmu->base) | apmu->enable_mask;
+ __raw_writel(data, apmu->base);
+
+ if (apmu->lock)
+ spin_unlock_irqrestore(apmu->lock, flags);
+
+ return 0;
+}
+
+static void clk_apmu_disable(struct clk_hw *hw)
+{
+ struct clk_apmu *apmu = to_clk_apmu(hw);
+ unsigned long data;
+ unsigned long flags = 0;
+
+ if (apmu->lock)
+ spin_lock_irqsave(apmu->lock, flags);
+
+ data = __raw_readl(apmu->base) & ~apmu->enable_mask;
+ __raw_writel(data, apmu->base);
+
+ if (apmu->lock)
+ spin_unlock_irqrestore(apmu->lock, flags);
+}
+
+struct clk_ops clk_apmu_ops = {
+ .enable = clk_apmu_enable,
+ .disable = clk_apmu_disable,
+};
+
+struct clk *mmp_clk_register_apmu(const char *name, const char *parent_name,
+ void __iomem *base, u32 enable_mask, spinlock_t *lock)
+{
+ struct clk_apmu *apmu;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ apmu = kzalloc(sizeof(*apmu), GFP_KERNEL);
+ if (!apmu)
+ return NULL;
+
+ init.name = name;
+ init.ops = &clk_apmu_ops;
+ init.flags = CLK_SET_RATE_PARENT;
+ init.parent_names = (parent_name ? &parent_name : NULL);
+ init.num_parents = (parent_name ? 1 : 0);
+
+ apmu->base = base;
+ apmu->enable_mask = enable_mask;
+ apmu->lock = lock;
+ apmu->hw.init = &init;
+
+ clk = clk_register(NULL, &apmu->hw);
+
+ if (IS_ERR(clk))
+ kfree(apmu);
+
+ return clk;
+}
diff --git a/drivers/clk/mmp/clk-frac.c b/drivers/clk/mmp/clk-frac.c
new file mode 100644
index 0000000..5c14a16
--- /dev/null
+++ b/drivers/clk/mmp/clk-frac.c
@@ -0,0 +1,142 @@
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/err.h>
+
+#include "clk.h"
+/*
+ * It is M/N clock
+ *
+ * Fout from synthesizer can be given from two equations:
+ * numerator/denominator = Fin / (Fout * factor)
+ */
+
+#define to_clk_factor(hw) container_of(hw, struct clk_factor, hw)
+struct clk_factor {
+ struct clk_hw hw;
+ void __iomem *base;
+ struct clk_factor_masks *masks;
+ struct clk_factor_tbl *ftbl;
+ unsigned int ftbl_cnt;
+};
+
+static long clk_factor_round_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long *prate)
+{
+ struct clk_factor *factor = to_clk_factor(hw);
+ unsigned long rate = 0, prev_rate;
+ int i;
+
+ for (i = 0; i < factor->ftbl_cnt; i++) {
+ prev_rate = rate;
+ rate = (((*prate / 10000) * factor->ftbl[i].num) /
+ (factor->ftbl[i].den * factor->masks->factor)) * 10000;
+ if (rate > drate)
+ break;
+ }
+ if (i == 0)
+ return rate;
+ else
+ return prev_rate;
+}
+
+static unsigned long clk_factor_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct clk_factor *factor = to_clk_factor(hw);
+ struct clk_factor_masks *masks = factor->masks;
+ unsigned int val, num, den;
+
+ val = readl_relaxed(factor->base);
+
+ /* calculate numerator */
+ num = (val >> masks->num_shift) & masks->num_mask;
+
+ /* calculate denominator */
+ den = (val >> masks->den_shift) & masks->num_mask;
+
+ if (!den)
+ return 0;
+
+ return (((parent_rate / 10000) * den) /
+ (num * factor->masks->factor)) * 10000;
+}
+
+/* Configures new clock rate*/
+static int clk_factor_set_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long prate)
+{
+ struct clk_factor *factor = to_clk_factor(hw);
+ struct clk_factor_masks *masks = factor->masks;
+ int i;
+ unsigned long val;
+ unsigned long prev_rate, rate = 0;
+
+ for (i = 0; i < factor->ftbl_cnt; i++) {
+ prev_rate = rate;
+ rate = (((prate / 10000) * factor->ftbl[i].num) /
+ (factor->ftbl[i].den * factor->masks->factor)) * 10000;
+ if (rate > drate)
+ break;
+ }
+ if (i > 0)
+ i--;
+
+ val = __raw_readl(factor->base);
+
+ val &= ~(masks->num_mask << masks->num_shift);
+ val |= (factor->ftbl[i].num & masks->num_mask) << masks->num_shift;
+
+ val &= ~(masks->den_mask << masks->den_shift);
+ val |= (factor->ftbl[i].den & masks->den_mask) << masks->den_shift;
+
+ __raw_writel(val, factor->base);
+
+ return 0;
+}
+
+static struct clk_ops clk_factor_ops = {
+ .recalc_rate = clk_factor_recalc_rate,
+ .round_rate = clk_factor_round_rate,
+ .set_rate = clk_factor_set_rate,
+};
+
+struct clk *mmp_clk_register_factor(const char *name, const char *parent_name,
+ unsigned long flags, void __iomem *base,
+ struct clk_factor_masks *masks, struct clk_factor_tbl *ftbl,
+ unsigned int ftbl_cnt)
+{
+ struct clk_factor *factor;
+ struct clk_init_data init;
+ struct clk *clk;
+
+ if (!masks) {
+ pr_err("%s: must pass a clk_factor_mask\n", __func__);
+ return ERR_PTR(-EINVAL);
+ }
+
+ factor = kzalloc(sizeof(*factor), GFP_KERNEL);
+ if (!factor) {
+ pr_err("%s: could not allocate factor clk\n", __func__);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ /* struct clk_aux assignments */
+ factor->base = base;
+ factor->masks = masks;
+ factor->ftbl = ftbl;
+ factor->ftbl_cnt = ftbl_cnt;
+ factor->hw.init = &init;
+
+ init.name = name;
+ init.ops = &clk_factor_ops;
+ init.flags = flags;
+ init.parent_names = &parent_name;
+ init.num_parents = 1;
+
+ clk = clk_register(NULL, &factor->hw);
+ if (IS_ERR_OR_NULL(clk))
+ kfree(factor);
+
+ return clk;
+}
diff --git a/drivers/clk/mmp/clk-pll2.c b/drivers/clk/mmp/clk-pll2.c
new file mode 100644
index 0000000..457ac5c
--- /dev/null
+++ b/drivers/clk/mmp/clk-pll2.c
@@ -0,0 +1,156 @@
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/err.h>
+
+#include <mach/addr-map.h>
+#include <mach/cputype.h>
+
+#include "clk.h"
+
+#define MPMU_PLL2CR MPMU_REG(0x0034)
+#define MPMU_PLL2_CTRL1 MPMU_REG(0x0414)
+
+static int clk_pll2_prepare(struct clk_hw *hw)
+{
+ unsigned long data;
+
+ data = __raw_readl(MPMU_PLL2CR);
+ if (data & (1 << 8))
+ return 0;
+ data |= (1 << 8);
+ __raw_writel(data, MPMU_PLL2CR);
+
+ udelay(500);
+
+ if (cpu_is_mmp2()) {
+ /* out of reset */
+ data = __raw_readl(MPMU_PLL2_CTRL1);
+ data |= (1 << 29);
+ __raw_writel(data, MPMU_PLL2CR);
+
+ udelay(500);
+ }
+
+ return 0;
+}
+
+static void clk_pll2_unprepare(struct clk_hw *hw)
+{
+ unsigned long data;
+
+ /* PLL2 Control register, disable SW PLL2 */
+ data = __raw_readl(MPMU_PLL2CR);
+ data &= ~(1 << 8);
+ __raw_writel(data, MPMU_PLL2CR);
+
+ /* wait for PLLs to lock */
+ udelay(500);
+
+ if (cpu_is_mmp2()) {
+ /* MPMU_PLL2_CTRL1: put PLL2 into reset */
+ data = __raw_readl(MPMU_PLL2_CTRL1);
+ data = ~(1 << 29);
+ __raw_writel(data, MPMU_PLL2_CTRL1);
+
+ udelay(500);
+ }
+}
+
+static unsigned long clk_pll2_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ unsigned long tmp = parent_rate;
+ unsigned long data;
+ unsigned int refdiv, fbdiv;
+
+ data = __raw_readl(MPMU_PLL2CR);
+ refdiv = data & (0x1f << 19);
+ fbdiv = data & (0x1ff << 10);
+
+ tmp = parent_rate * (refdiv + 2) / (fbdiv + 2);
+
+ return tmp;
+}
+
+static long clk_pll2_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *prate)
+{
+ long tmp;
+ unsigned int refdiv, fbdiv;
+
+ /* usally refdiv is fixed for better performance */
+ refdiv = __raw_readl(MPMU_PLL2CR) & (0x1f << 19);
+
+ fbdiv = ((rate / *prate * (refdiv + 2)) - 2)
+ + ((rate * (refdiv + 2)) % *prate > (*prate / 2));
+
+ tmp = *prate * (fbdiv + 2) / (refdiv + 2);
+
+ return tmp;
+}
+
+static int clk_pll2_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ unsigned int refdiv, fbdiv;
+ unsigned long data;
+
+ /* fix it for better performance */
+ refdiv = 4;
+
+ fbdiv = ((rate / parent_rate * (refdiv + 2)) - 2)
+ + (((rate * (refdiv + 2)) % parent_rate) > (parent_rate / 2));
+
+ data = __raw_readl(MPMU_PLL2CR);
+ if (data & (1 << 8))
+ return -EIO;
+
+ data &= ~((0x1f << 19) | (0x1ff << 10));
+ data |= refdiv << 19;
+ data |= fbdiv << 10;
+ data |= 1 << 9;
+ __raw_writel(data, MPMU_PLL2CR);
+
+ return 0;
+}
+
+struct clk_ops clk_pll2_ops = {
+ .prepare = clk_pll2_prepare,
+ .unprepare = clk_pll2_unprepare,
+ .recalc_rate = clk_pll2_recalc_rate,
+ .round_rate = clk_pll2_round_rate,
+ .set_rate = clk_pll2_set_rate,
+};
+
+struct clk *mmp_clk_register_pll2(const char *name, const char *parent_name,
+ unsigned long flags)
+{
+ struct clk_hw *hw;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ hw = kzalloc(sizeof(struct clk_hw), GFP_KERNEL);
+ if (!hw) {
+ pr_err("%s: could not allocate pll2 clk\n", __func__);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ init.name = name;
+ init.ops = &clk_pll2_ops;
+ init.flags = CLK_SET_RATE_GATE | flags;
+ init.parent_names = (parent_name ? &parent_name : NULL);
+ init.num_parents = (parent_name ? 1 : 0);
+
+ hw->init = &init;
+ /* register the clock */
+ clk = clk_register(NULL, hw);
+
+ if (IS_ERR(clk))
+ kfree(hw);
+
+ return clk;
+}
diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h
new file mode 100644
index 0000000..292a4d2
--- /dev/null
+++ b/drivers/clk/mmp/clk.h
@@ -0,0 +1,95 @@
+#ifndef __MACH_MMP_CLK_H
+#define __MACH_MMP_CLK_H
+
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+
+#define MMP_CLK_REGISTER_FIXED_RATE(_clk, _name, _rate) \
+ do { \
+ _clk[_name] = clk_register_fixed_rate(NULL, #_name, \
+ NULL, CLK_IS_ROOT, _rate); \
+ clk_register_clkdev(_clk[_name], #_name, NULL); \
+ } while (0)
+
+#define MMP_CLK_REGISTER_FIXED_FACTOR(_clk, _name, _parent, _flags, \
+ _mul, _div) \
+ do { \
+ _clk[_name] = clk_register_fixed_factor(NULL, #_name, \
+ #_parent, _flags, _mul, _div); \
+ clk_register_clkdev(_clk[_name], #_name, NULL); \
+ } while (0)
+
+#define MMP_CLK_REGISTER_GATE(_clk, _name, _parent, _flags, _reg, _bit, \
+ _gate_flags, _dev_id, con_id, _lock) \
+ do { \
+ _clk[_name] = clk_register_gate(NULL, #_name, \
+ #_parent, _flags, _reg, _bit, \
+ _gate_flags, _lock); \
+ clk_register_clkdev(_clk[_name], _con_id, dev_id); \
+ } while (0)
+
+#define MMP_CLK_REGISTER_APBC(_clk, _name, _parent, _delay, _reg, \
+ _apbc_flags, _dev_id, _con_id, _lock) \
+ do { \
+ _clk[_name] = mmp_clk_register_apbc(#_name, #_parent, \
+ _reg, _delay, _apbc_flags, _lock); \
+ clk_register_clkdev(_clk[_name], _con_id, _dev_id); \
+ } while (0)
+
+#define MMP_CLK_REGISTER_APMU(_clk, _name, _parent, _reg, _enable_mask, \
+ _dev_id, _con_id, _lock) \
+ do { \
+ _clk[_name] = mmp_clk_register_apmu(#_name, #_parent, \
+ _reg, _enable_mask, _lock); \
+ clk_register_clkdev(_clk[_name], _con_id, _dev_id); \
+ } while (0)
+
+#define MMP_CLK_REGISTER_MUX(_clk, _name, _parent_name, _parent_num, \
+ _flags, _reg, _shift, _width, \
+ _mux_flags, _dev_id, _con_id, _lock) \
+ do { \
+ _clk[_name] = clk_register_mux(NULL, #_name, \
+ _parent_name, _parent_num, _flags, _reg,\
+ _shift, _width, _mux_flags, _lock); \
+ clk_register_clkdev(_clk[_name], _con_id, _dev_id); \
+ } while (0)
+
+#define MMP_CLK_REGISTER_DIV(_clk, _name, _parent, _flags, _reg, \
+ _shift, _width, _div_flags, _dev_id, \
+ _con_id, _lock) \
+ do { \
+ _clk[_name] = clk_register_divider(NULL, #_name, \
+ #_parent, _flags, _reg, _shift, _width, \
+ _div_flags, _lock); \
+ clk_register_clkdev(_clk[_name], _con_id, _dev_id); \
+ } while (0)
+
+#define APBC_NO_BUS_CTRL BIT(0)
+#define APBC_POWER_CTRL BIT(1)
+
+struct clk_factor_masks {
+ unsigned int factor;
+ unsigned int num_mask;
+ unsigned int den_mask;
+ unsigned int num_shift;
+ unsigned int den_shift;
+};
+
+struct clk_factor_tbl {
+ unsigned int num;
+ unsigned int den;
+};
+
+extern struct clk *mmp_clk_register_pll2(const char *name,
+ const char *parent_name, unsigned long flags);
+extern struct clk *mmp_clk_register_apbc(const char *name,
+ const char *parent_name, void __iomem *base,
+ unsigned int delay, unsigned int apbc_flags, spinlock_t *lock);
+extern struct clk *mmp_clk_register_apmu(const char *name,
+ const char *parent_name, void __iomem *base, u32 enable_mask,
+ spinlock_t *lock);
+extern struct clk *mmp_clk_register_factor(const char *name,
+ const char *parent_name, unsigned long flags,
+ void __iomem *base, struct clk_factor_masks *masks,
+ struct clk_factor_tbl *ftbl, unsigned int ftbl_cnt);
+#endif
--
1.7.0.4
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