From cb26867ee24a7e32ab72ec28e43456c7571c059a Mon Sep 17 00:00:00 2001 From: Rajendra Nayak Date: Tue, 6 Nov 2012 15:41:08 -0700 Subject: ARM: OMAP4: clock: Add 44xx data using common struct clk This patch is output from updated omap hw data autogeneration scripts mostly contributed by Mike Turquette, with some later fixes from me. All data is added into a new cclock44xx_data.c file which will be switched with clock44xx_data.c file in a later patch. Signed-off-by: Rajendra Nayak [paul@pwsan.com: replace omap2_init_clksel_parent() with omap2_clksel_find_parent_index(); reflowed macros; updated DEFINE_STRUCT_CLK_HW_OMAP macro to include clkdm_name; use macros for clksel mux+gate clocks; many other fixes] [mturquette@ti.com: converted DPLL outputs to HSDIVIDER macro; trace_clk_div_ck has clkdm ops] Signed-off-by: Mike Turquette [paul@pwsan.com: fixed the omap-gpmc.fck alias per commit a2e5b90b; fixed several checkpatch issues; moved the dpll3xxx.c clockdomain modifications to another patch] Signed-off-by: Paul Walmsley --- arch/arm/mach-omap2/clock_common_data.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'arch/arm/mach-omap2/clock_common_data.c') diff --git a/arch/arm/mach-omap2/clock_common_data.c b/arch/arm/mach-omap2/clock_common_data.c index b9f3ba68148c..c0d02a97b768 100644 --- a/arch/arm/mach-omap2/clock_common_data.c +++ b/arch/arm/mach-omap2/clock_common_data.c @@ -52,6 +52,13 @@ const struct clksel_rate div_1_0_rates[] = { { .div = 0 }, }; +const struct clksel_rate div3_1to4_rates[] = { + { .div = 1, .val = 0, .flags = RATE_IN_4430 }, + { .div = 2, .val = 1, .flags = RATE_IN_4430 }, + { .div = 4, .val = 2, .flags = RATE_IN_4430 }, + { .div = 0 }, +}; + const struct clksel_rate div_1_1_rates[] = { { .div = 1, .val = 1, .flags = RATE_IN_4430 | RATE_IN_AM33XX }, { .div = 0 }, @@ -108,6 +115,19 @@ const struct clksel_rate div31_1to31_rates[] = { }; /* Clocks shared between various OMAP SoCs */ +#ifdef CONFIG_COMMON_CLK + +#include + +static struct clk_ops dummy_ck_ops = {}; + +struct clk dummy_ck = { + .name = "dummy_clk", + .ops = &dummy_ck_ops, + .flags = CLK_IS_BASIC, +}; + +#else struct clk virt_19200000_ck = { .name = "virt_19200000_ck", @@ -120,3 +140,5 @@ struct clk virt_26000000_ck = { .ops = &clkops_null, .rate = 26000000, }; + +#endif -- cgit From f9ae32a74f0242cbef76d9baa10993d707be1714 Mon Sep 17 00:00:00 2001 From: Mike Turquette Date: Wed, 7 Nov 2012 13:14:47 -0800 Subject: ARM: OMAP2+: clock: Cleanup !CONFIG_COMMON_CLK parts Clean all #ifdef's added to common clock code. This code is no longer needed due to migration to the common clock framework. Signed-off-by: Mike Turquette [paul@pwsan.com: clean up new ifdefs added in clockdomain.c] Signed-off-by: Paul Walmsley --- arch/arm/mach-omap2/clkt_clksel.c | 238 ---------- arch/arm/mach-omap2/clkt_dpll.c | 50 -- arch/arm/mach-omap2/clkt_iclk.c | 41 -- arch/arm/mach-omap2/clock.c | 784 -------------------------------- arch/arm/mach-omap2/clock.h | 221 +-------- arch/arm/mach-omap2/clock_common_data.c | 20 +- arch/arm/mach-omap2/clockdomain.c | 4 - 7 files changed, 2 insertions(+), 1356 deletions(-) (limited to 'arch/arm/mach-omap2/clock_common_data.c') diff --git a/arch/arm/mach-omap2/clkt_clksel.c b/arch/arm/mach-omap2/clkt_clksel.c index 03ceb2efd532..0ec9f6fdf046 100644 --- a/arch/arm/mach-omap2/clkt_clksel.c +++ b/arch/arm/mach-omap2/clkt_clksel.c @@ -41,11 +41,7 @@ #include #include -#ifdef CONFIG_COMMON_CLK #include -#else -#include -#endif #include #include @@ -62,11 +58,7 @@ * the element associated with the supplied parent clock address. * Returns a pointer to the struct clksel on success or NULL on error. */ -#ifdef CONFIG_COMMON_CLK static const struct clksel *_get_clksel_by_parent(struct clk_hw_omap *clk, -#else -static const struct clksel *_get_clksel_by_parent(struct clk *clk, -#endif struct clk *src_clk) { const struct clksel *clks; @@ -81,77 +73,13 @@ static const struct clksel *_get_clksel_by_parent(struct clk *clk, if (!clks->parent) { /* This indicates a data problem */ WARN(1, "clock: %s: could not find parent clock %s in clksel array\n", -#ifdef CONFIG_COMMON_CLK __clk_get_name(clk->hw.clk), __clk_get_name(src_clk)); -#else - __clk_get_name(clk), __clk_get_name(src_clk)); -#endif return NULL; } return clks; } -/** - * _get_div_and_fieldval() - find the new clksel divisor and field value to use - * @src_clk: planned new parent struct clk * - * @clk: struct clk * that is being reparented - * @field_val: pointer to a u32 to contain the register data for the divisor - * - * Given an intended new parent struct clk * @src_clk, and the struct - * clk * @clk to the clock that is being reparented, find the - * appropriate rate divisor for the new clock (returned as the return - * value), and the corresponding register bitfield data to program to - * reach that divisor (returned in the u32 pointed to by @field_val). - * Returns 0 on error, or returns the newly-selected divisor upon - * success (in this latter case, the corresponding register bitfield - * value is passed back in the variable pointed to by @field_val) - */ -#ifndef CONFIG_COMMON_CLK -static u8 _get_div_and_fieldval(struct clk *src_clk, struct clk *clk, - u32 *field_val) -{ - const struct clksel *clks; - const struct clksel_rate *clkr, *max_clkr = NULL; - u8 max_div = 0; - - clks = _get_clksel_by_parent(clk, src_clk); - if (!clks) - return 0; - - /* - * Find the highest divisor (e.g., the one resulting in the - * lowest rate) to use as the default. This should avoid - * clock rates that are too high for the device. XXX A better - * solution here would be to try to determine if there is a - * divisor matching the original clock rate before the parent - * switch, and if it cannot be found, to fall back to the - * highest divisor. - */ - for (clkr = clks->rates; clkr->div; clkr++) { - if (!(clkr->flags & cpu_mask)) - continue; - - if (clkr->div > max_div) { - max_div = clkr->div; - max_clkr = clkr; - } - } - - if (max_div == 0) { - /* This indicates an error in the clksel data */ - WARN(1, "clock: %s: could not find divisor for parent %s\n", - __clk_get_name(clk), - __clk_get_name(__clk_get_parent(src_clk))); - return 0; - } - - *field_val = max_clkr->val; - - return max_div; -} -#endif - /** * _write_clksel_reg() - program a clock's clksel register in hardware * @clk: struct clk * to program @@ -165,11 +93,7 @@ static u8 _get_div_and_fieldval(struct clk *src_clk, struct clk *clk, * take into account any time the hardware might take to switch the * clock source. */ -#ifdef CONFIG_COMMON_CLK static void _write_clksel_reg(struct clk_hw_omap *clk, u32 field_val) -#else -static void _write_clksel_reg(struct clk *clk, u32 field_val) -#endif { u32 v; @@ -192,21 +116,13 @@ static void _write_clksel_reg(struct clk *clk, u32 field_val) * before calling. Returns 0 on error or returns the actual integer divisor * upon success. */ -#ifdef CONFIG_COMMON_CLK static u32 _clksel_to_divisor(struct clk_hw_omap *clk, u32 field_val) -#else -static u32 _clksel_to_divisor(struct clk *clk, u32 field_val) -#endif { const struct clksel *clks; const struct clksel_rate *clkr; struct clk *parent; -#ifdef CONFIG_COMMON_CLK parent = __clk_get_parent(clk->hw.clk); -#else - parent = __clk_get_parent(clk); -#endif clks = _get_clksel_by_parent(clk, parent); if (!clks) @@ -223,12 +139,8 @@ static u32 _clksel_to_divisor(struct clk *clk, u32 field_val) if (!clkr->div) { /* This indicates a data error */ WARN(1, "clock: %s: could not find fieldval %d for parent %s\n", -#ifdef CONFIG_COMMON_CLK __clk_get_name(clk->hw.clk), field_val, __clk_get_name(parent)); -#else - __clk_get_name(clk), field_val, __clk_get_name(parent)); -#endif return 0; } @@ -245,11 +157,7 @@ static u32 _clksel_to_divisor(struct clk *clk, u32 field_val) * register field value _before_ left-shifting (i.e., LSB is at bit * 0); or returns 0xFFFFFFFF (~0) upon error. */ -#ifdef CONFIG_COMMON_CLK static u32 _divisor_to_clksel(struct clk_hw_omap *clk, u32 div) -#else -static u32 _divisor_to_clksel(struct clk *clk, u32 div) -#endif { const struct clksel *clks; const struct clksel_rate *clkr; @@ -258,11 +166,7 @@ static u32 _divisor_to_clksel(struct clk *clk, u32 div) /* should never happen */ WARN_ON(div == 0); -#ifdef CONFIG_COMMON_CLK parent = __clk_get_parent(clk->hw.clk); -#else - parent = __clk_get_parent(clk); -#endif clks = _get_clksel_by_parent(clk, parent); if (!clks) return ~0; @@ -277,12 +181,8 @@ static u32 _divisor_to_clksel(struct clk *clk, u32 div) if (!clkr->div) { pr_err("clock: %s: could not find divisor %d for parent %s\n", -#ifdef CONFIG_COMMON_CLK __clk_get_name(clk->hw.clk), div, __clk_get_name(parent)); -#else - __clk_get_name(clk), div, __clk_get_name(parent)); -#endif return ~0; } @@ -297,11 +197,7 @@ static u32 _divisor_to_clksel(struct clk *clk, u32 div) * into the hardware, convert it into the actual divisor value, and * return it; or return 0 on error. */ -#ifdef CONFIG_COMMON_CLK static u32 _read_divisor(struct clk_hw_omap *clk) -#else -static u32 _read_divisor(struct clk *clk) -#endif { u32 v; @@ -329,12 +225,8 @@ static u32 _read_divisor(struct clk *clk) * * Returns the rounded clock rate or returns 0xffffffff on error. */ -#ifdef CONFIG_COMMON_CLK u32 omap2_clksel_round_rate_div(struct clk_hw_omap *clk, unsigned long target_rate, -#else -u32 omap2_clksel_round_rate_div(struct clk *clk, unsigned long target_rate, -#endif u32 *new_div) { unsigned long test_rate; @@ -345,13 +237,8 @@ u32 omap2_clksel_round_rate_div(struct clk *clk, unsigned long target_rate, unsigned long parent_rate; const char *clk_name; -#ifdef CONFIG_COMMON_CLK parent = __clk_get_parent(clk->hw.clk); clk_name = __clk_get_name(clk->hw.clk); -#else - parent = __clk_get_parent(clk); - clk_name = __clk_get_name(clk); -#endif parent_rate = __clk_get_rate(parent); if (!clk->clksel || !clk->clksel_mask) @@ -402,7 +289,6 @@ u32 omap2_clksel_round_rate_div(struct clk *clk, unsigned long target_rate, * (i.e., those used in struct clk field function pointers, etc.) */ -#ifdef CONFIG_COMMON_CLK /** * omap2_clksel_find_parent_index() - return the array index of the current * hardware parent of @hw @@ -457,62 +343,6 @@ u8 omap2_clksel_find_parent_index(struct clk_hw *hw) return ret; } -#else - -/** - * omap2_init_clksel_parent() - set a clksel clk's parent field from the hdwr - * @clk: OMAP clock struct ptr to use - * - * Given a pointer @clk to a source-selectable struct clk, read the - * hardware register and determine what its parent is currently set - * to. Update @clk's .parent field with the appropriate clk ptr. No - * return value. - */ -void omap2_init_clksel_parent(struct clk *clk) -{ - const struct clksel *clks; - const struct clksel_rate *clkr; - u32 r, found = 0; - struct clk *parent; - const char *clk_name; - - if (!clk->clksel || !clk->clksel_mask) - return; - - parent = __clk_get_parent(clk); - clk_name = __clk_get_name(clk); - - r = __raw_readl(clk->clksel_reg) & clk->clksel_mask; - r >>= __ffs(clk->clksel_mask); - - for (clks = clk->clksel; clks->parent && !found; clks++) { - for (clkr = clks->rates; clkr->div && !found; clkr++) { - if (!(clkr->flags & cpu_mask)) - continue; - - if (clkr->val == r) { - if (parent != clks->parent) { - pr_debug("clock: %s: inited parent to %s (was %s)\n", - clk_name, - __clk_get_name(clks->parent), - ((parent) ? - __clk_get_name(parent) : - "NULL")); - clk_reparent(clk, clks->parent); - } - found = 1; - } - } - } - - /* This indicates a data error */ - WARN(!found, "clock: %s: init parent: could not find regval %0x\n", - clk_name, r); - - return; -} - -#endif /** * omap2_clksel_recalc() - function ptr to pass via struct clk .recalc field @@ -523,7 +353,6 @@ void omap2_init_clksel_parent(struct clk *clk) * function. Returns the clock's current rate, based on its parent's rate * and its current divisor setting in the hardware. */ -#ifdef CONFIG_COMMON_CLK unsigned long omap2_clksel_recalc(struct clk_hw *hw, unsigned long parent_rate) { unsigned long rate; @@ -544,26 +373,6 @@ unsigned long omap2_clksel_recalc(struct clk_hw *hw, unsigned long parent_rate) return rate; } -#else -unsigned long omap2_clksel_recalc(struct clk *clk) -{ - unsigned long rate; - u32 div = 0; - struct clk *parent; - - div = _read_divisor(clk); - if (div == 0) - return __clk_get_rate(clk); - - parent = __clk_get_parent(clk); - rate = __clk_get_rate(parent) / div; - - pr_debug("clock: %s: recalc'd rate is %ld (div %d)\n", - __clk_get_name(clk), rate, div); - - return rate; -} -#endif /** * omap2_clksel_round_rate() - find rounded rate for the given clock and rate @@ -576,15 +385,10 @@ unsigned long omap2_clksel_recalc(struct clk *clk) * * Returns the rounded clock rate or returns 0xffffffff on error. */ -#ifdef CONFIG_COMMON_CLK long omap2_clksel_round_rate(struct clk_hw *hw, unsigned long target_rate, unsigned long *parent_rate) { struct clk_hw_omap *clk = to_clk_hw_omap(hw); -#else -long omap2_clksel_round_rate(struct clk *clk, unsigned long target_rate) -{ -#endif u32 new_div; return omap2_clksel_round_rate_div(clk, target_rate, &new_div); @@ -605,15 +409,10 @@ long omap2_clksel_round_rate(struct clk *clk, unsigned long target_rate) * is changed, they will all be affected without any notification. * Returns -EINVAL upon error, or 0 upon success. */ -#ifdef CONFIG_COMMON_CLK int omap2_clksel_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { struct clk_hw_omap *clk = to_clk_hw_omap(hw); -#else -int omap2_clksel_set_rate(struct clk *clk, unsigned long rate) -{ -#endif u32 field_val, validrate, new_div = 0; if (!clk->clksel || !clk->clksel_mask) @@ -629,15 +428,8 @@ int omap2_clksel_set_rate(struct clk *clk, unsigned long rate) _write_clksel_reg(clk, field_val); -#ifdef CONFIG_COMMON_CLK pr_debug("clock: %s: set rate to %ld\n", __clk_get_name(hw->clk), __clk_get_rate(hw->clk)); -#else - pr_debug("clock: %s: set rate to %ld\n", __clk_get_name(clk), - __clk_get_rate(clk)); - - clk->rate = __clk_get_rate(__clk_get_parent(clk)) / new_div; -#endif return 0; } @@ -662,7 +454,6 @@ int omap2_clksel_set_rate(struct clk *clk, unsigned long rate) * affected without any notification. Returns -EINVAL upon error, or * 0 upon success. */ -#ifdef CONFIG_COMMON_CLK int omap2_clksel_set_parent(struct clk_hw *hw, u8 field_val) { struct clk_hw_omap *clk = to_clk_hw_omap(hw); @@ -673,32 +464,3 @@ int omap2_clksel_set_parent(struct clk_hw *hw, u8 field_val) _write_clksel_reg(clk, field_val); return 0; } -#else -int omap2_clksel_set_parent(struct clk *clk, struct clk *new_parent) -{ - u32 field_val = 0; - u32 parent_div; - - if (!clk->clksel || !clk->clksel_mask) - return -EINVAL; - - parent_div = _get_div_and_fieldval(new_parent, clk, &field_val); - if (!parent_div) - return -EINVAL; - _write_clksel_reg(clk, field_val); - - clk_reparent(clk, new_parent); - - /* CLKSEL clocks follow their parents' rates, divided by a divisor */ - clk->rate = __clk_get_rate(new_parent); - - if (parent_div > 0) - __clk_get_rate(clk) /= parent_div; - pr_debug("clock: %s: set parent to %s (new rate %ld)\n", - __clk_get_name(clk), - __clk_get_name(__clk_get_parent(clk)), - __clk_get_rate(clk)); - - return 0; -} -#endif diff --git a/arch/arm/mach-omap2/clkt_dpll.c b/arch/arm/mach-omap2/clkt_dpll.c index f343389fc6e8..924c230f8948 100644 --- a/arch/arm/mach-omap2/clkt_dpll.c +++ b/arch/arm/mach-omap2/clkt_dpll.c @@ -16,11 +16,7 @@ #include #include -#ifdef CONFIG_COMMON_CLK #include -#else -#include -#endif #include #include @@ -80,11 +76,7 @@ * (assuming that it is counting N upwards), or -2 if the enclosing loop * should skip to the next iteration (again assuming N is increasing). */ -#ifdef CONFIG_COMMON_CLK static int _dpll_test_fint(struct clk_hw_omap *clk, u8 n) -#else -static int _dpll_test_fint(struct clk *clk, u8 n) -#endif { struct dpll_data *dd; long fint, fint_min, fint_max; @@ -93,11 +85,7 @@ static int _dpll_test_fint(struct clk *clk, u8 n) dd = clk->dpll_data; /* DPLL divider must result in a valid jitter correction val */ -#ifdef CONFIG_COMMON_CLK fint = __clk_get_rate(__clk_get_parent(clk->hw.clk)) / n; -#else - fint = __clk_get_rate(__clk_get_parent(clk)) / n; -#endif if (cpu_is_omap24xx()) { /* Should not be called for OMAP2, so warn if it is called */ @@ -198,24 +186,15 @@ static int _dpll_test_mult(int *m, int n, unsigned long *new_rate, } /* Public functions */ -#ifdef CONFIG_COMMON_CLK u8 omap2_init_dpll_parent(struct clk_hw *hw) { struct clk_hw_omap *clk = to_clk_hw_omap(hw); -#else -void omap2_init_dpll_parent(struct clk *clk) -{ -#endif u32 v; struct dpll_data *dd; dd = clk->dpll_data; if (!dd) -#ifdef CONFIG_COMMON_CLK return -EINVAL; -#else - return; -#endif v = __raw_readl(dd->control_reg); v &= dd->enable_mask; @@ -225,34 +204,18 @@ void omap2_init_dpll_parent(struct clk *clk) if (cpu_is_omap24xx()) { if (v == OMAP2XXX_EN_DPLL_LPBYPASS || v == OMAP2XXX_EN_DPLL_FRBYPASS) -#ifdef CONFIG_COMMON_CLK return 1; -#else - clk_reparent(clk, dd->clk_bypass); -#endif } else if (cpu_is_omap34xx()) { if (v == OMAP3XXX_EN_DPLL_LPBYPASS || v == OMAP3XXX_EN_DPLL_FRBYPASS) -#ifdef CONFIG_COMMON_CLK return 1; -#else - clk_reparent(clk, dd->clk_bypass); -#endif } else if (soc_is_am33xx() || cpu_is_omap44xx()) { if (v == OMAP4XXX_EN_DPLL_LPBYPASS || v == OMAP4XXX_EN_DPLL_FRBYPASS || v == OMAP4XXX_EN_DPLL_MNBYPASS) -#ifdef CONFIG_COMMON_CLK return 1; -#else - clk_reparent(clk, dd->clk_bypass); -#endif } -#ifdef CONFIG_COMMON_CLK return 0; -#else - return; -#endif } /** @@ -269,11 +232,7 @@ void omap2_init_dpll_parent(struct clk *clk) * locked, or the appropriate bypass rate if the DPLL is bypassed, or 0 * if the clock @clk is not a DPLL. */ -#ifdef CONFIG_COMMON_CLK unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk) -#else -u32 omap2_get_dpll_rate(struct clk *clk) -#endif { long long dpll_clk; u32 dpll_mult, dpll_div, v; @@ -329,15 +288,10 @@ u32 omap2_get_dpll_rate(struct clk *clk) * (expensive) function again. Returns ~0 if the target rate cannot * be rounded, or the rounded rate upon success. */ -#ifdef CONFIG_COMMON_CLK long omap2_dpll_round_rate(struct clk_hw *hw, unsigned long target_rate, unsigned long *parent_rate) { struct clk_hw_omap *clk = to_clk_hw_omap(hw); -#else -long omap2_dpll_round_rate(struct clk *clk, unsigned long target_rate) -{ -#endif int m, n, r, scaled_max_m; unsigned long scaled_rt_rp; unsigned long new_rate = 0; @@ -351,11 +305,7 @@ long omap2_dpll_round_rate(struct clk *clk, unsigned long target_rate) dd = clk->dpll_data; ref_rate = __clk_get_rate(dd->clk_ref); -#ifdef CONFIG_COMMON_CLK clk_name = __clk_get_name(hw->clk); -#else - clk_name = __clk_get_name(clk); -#endif pr_debug("clock: %s: starting DPLL round_rate, target rate %ld\n", clk_name, target_rate); diff --git a/arch/arm/mach-omap2/clkt_iclk.c b/arch/arm/mach-omap2/clkt_iclk.c index 650c8c77a573..f10eb03ce3e2 100644 --- a/arch/arm/mach-omap2/clkt_iclk.c +++ b/arch/arm/mach-omap2/clkt_iclk.c @@ -11,11 +11,7 @@ #undef DEBUG #include -#ifdef CONFIG_COMMON_CLK #include -#else -#include -#endif #include @@ -27,11 +23,7 @@ /* Private functions */ /* XXX */ -#ifdef CONFIG_COMMON_CLK void omap2_clkt_iclk_allow_idle(struct clk_hw_omap *clk) -#else -void omap2_clkt_iclk_allow_idle(struct clk *clk) -#endif { u32 v, r; @@ -43,11 +35,7 @@ void omap2_clkt_iclk_allow_idle(struct clk *clk) } /* XXX */ -#ifdef CONFIG_COMMON_CLK void omap2_clkt_iclk_deny_idle(struct clk_hw_omap *clk) -#else -void omap2_clkt_iclk_deny_idle(struct clk *clk) -#endif { u32 v, r; @@ -60,7 +48,6 @@ void omap2_clkt_iclk_deny_idle(struct clk *clk) /* Public data */ -#ifdef CONFIG_COMMON_CLK const struct clk_hw_omap_ops clkhwops_iclk = { .allow_idle = omap2_clkt_iclk_allow_idle, .deny_idle = omap2_clkt_iclk_deny_idle, @@ -72,34 +59,6 @@ const struct clk_hw_omap_ops clkhwops_iclk_wait = { .find_idlest = omap2_clk_dflt_find_idlest, .find_companion = omap2_clk_dflt_find_companion, }; -#else -const struct clkops clkops_omap2_iclk_dflt_wait = { - .enable = omap2_dflt_clk_enable, - .disable = omap2_dflt_clk_disable, - .find_companion = omap2_clk_dflt_find_companion, - .find_idlest = omap2_clk_dflt_find_idlest, - .allow_idle = omap2_clkt_iclk_allow_idle, - .deny_idle = omap2_clkt_iclk_deny_idle, -}; -const struct clkops clkops_omap2_iclk_dflt = { - .enable = omap2_dflt_clk_enable, - .disable = omap2_dflt_clk_disable, - .allow_idle = omap2_clkt_iclk_allow_idle, - .deny_idle = omap2_clkt_iclk_deny_idle, -}; -const struct clkops clkops_omap2_iclk_idle_only = { - .allow_idle = omap2_clkt_iclk_allow_idle, - .deny_idle = omap2_clkt_iclk_deny_idle, -}; -const struct clkops clkops_omap2_mdmclk_dflt_wait = { - .enable = omap2_dflt_clk_enable, - .disable = omap2_dflt_clk_disable, - .find_companion = omap2_clk_dflt_find_companion, - .find_idlest = omap2_clk_dflt_find_idlest, - .allow_idle = omap2_clkt_iclk_allow_idle, - .deny_idle = omap2_clkt_iclk_deny_idle, -}; -#endif diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index 744e6eb17b26..e4ec3a69ee2e 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -20,11 +20,7 @@ #include #include #include -#ifdef CONFIG_COMMON_CLK #include -#else -#include -#endif #include #include @@ -59,13 +55,6 @@ u16 cpu_mask; */ static bool clkdm_control = true; -static LIST_HEAD(clocks); -static DEFINE_MUTEX(clocks_mutex); -#ifndef CONFIG_COMMON_CLK -static DEFINE_SPINLOCK(clockfw_lock); -#endif - -#ifdef CONFIG_COMMON_CLK static LIST_HEAD(clk_hw_omap_clocks); /* @@ -88,7 +77,6 @@ unsigned long omap_fixed_divisor_recalc(struct clk_hw *hw, return parent_rate / oclk->fixed_div; } -#endif /* * OMAP2+ specific clock functions @@ -140,11 +128,7 @@ static int _wait_idlest_generic(void __iomem *reg, u32 mask, u8 idlest, * belong in the clock code and will be moved in the medium term to * module-dependent code. No return value. */ -#ifdef CONFIG_COMMON_CLK static void _omap2_module_wait_ready(struct clk_hw_omap *clk) -#else -static void _omap2_module_wait_ready(struct clk *clk) -#endif { void __iomem *companion_reg, *idlest_reg; u8 other_bit, idlest_bit, idlest_val, idlest_reg_id; @@ -163,11 +147,7 @@ static void _omap2_module_wait_ready(struct clk *clk) if (r) { /* IDLEST register not in the CM module */ _wait_idlest_generic(idlest_reg, (1 << idlest_bit), idlest_val, -#ifdef CONFIG_COMMON_CLK __clk_get_name(clk->hw.clk)); -#else - clk->name); -#endif } else { cm_wait_module_ready(prcm_mod, idlest_reg_id, idlest_bit); }; @@ -183,25 +163,16 @@ static void _omap2_module_wait_ready(struct clk *clk) * clockdomain pointer, and save it into the struct clk. Intended to be * called during clk_register(). No return value. */ -#ifdef CONFIG_COMMON_CLK void omap2_init_clk_clkdm(struct clk_hw *hw) { struct clk_hw_omap *clk = to_clk_hw_omap(hw); -#else -void omap2_init_clk_clkdm(struct clk *clk) -{ -#endif struct clockdomain *clkdm; const char *clk_name; if (!clk->clkdm_name) return; -#ifdef CONFIG_COMMON_CLK clk_name = __clk_get_name(hw->clk); -#else - clk_name = __clk_get_name(clk); -#endif clkdm = clkdm_lookup(clk->clkdm_name); if (clkdm) { @@ -248,11 +219,7 @@ void __init omap2_clk_disable_clkdm_control(void) * associate this type of code with per-module data structures to * avoid this issue, and remove the casts. No return value. */ -#ifdef CONFIG_COMMON_CLK void omap2_clk_dflt_find_companion(struct clk_hw_omap *clk, -#else -void omap2_clk_dflt_find_companion(struct clk *clk, -#endif void __iomem **other_reg, u8 *other_bit) { u32 r; @@ -281,11 +248,7 @@ void omap2_clk_dflt_find_companion(struct clk *clk, * register address ID (e.g., that CM_FCLKEN2 corresponds to * CM_IDLEST2). This is not true for all modules. No return value. */ -#ifdef CONFIG_COMMON_CLK void omap2_clk_dflt_find_idlest(struct clk_hw_omap *clk, -#else -void omap2_clk_dflt_find_idlest(struct clk *clk, -#endif void __iomem **idlest_reg, u8 *idlest_bit, u8 *idlest_val) { u32 r; @@ -308,7 +271,6 @@ void omap2_clk_dflt_find_idlest(struct clk *clk, } -#ifdef CONFIG_COMMON_CLK /** * omap2_dflt_clk_enable - enable a clock in the hardware * @hw: struct clk_hw * of the clock to enable @@ -605,238 +567,6 @@ const struct clk_hw_omap_ops clkhwops_wait = { .find_idlest = omap2_clk_dflt_find_idlest, .find_companion = omap2_clk_dflt_find_companion, }; -#else -int omap2_dflt_clk_enable(struct clk *clk) -{ - u32 v; - - if (unlikely(clk->enable_reg == NULL)) { - pr_err("clock.c: Enable for %s without enable code\n", - clk->name); - return 0; /* REVISIT: -EINVAL */ - } - - v = __raw_readl(clk->enable_reg); - if (clk->flags & INVERT_ENABLE) - v &= ~(1 << clk->enable_bit); - else - v |= (1 << clk->enable_bit); - __raw_writel(v, clk->enable_reg); - v = __raw_readl(clk->enable_reg); /* OCP barrier */ - - if (clk->ops->find_idlest) - _omap2_module_wait_ready(clk); - - return 0; -} - -void omap2_dflt_clk_disable(struct clk *clk) -{ - u32 v; - - if (!clk->enable_reg) { - /* - * 'Independent' here refers to a clock which is not - * controlled by its parent. - */ - pr_err("clock: clk_disable called on independent clock %s which has no enable_reg\n", clk->name); - return; - } - - v = __raw_readl(clk->enable_reg); - if (clk->flags & INVERT_ENABLE) - v |= (1 << clk->enable_bit); - else - v &= ~(1 << clk->enable_bit); - __raw_writel(v, clk->enable_reg); - /* No OCP barrier needed here since it is a disable operation */ -} - -const struct clkops clkops_omap2_dflt_wait = { - .enable = omap2_dflt_clk_enable, - .disable = omap2_dflt_clk_disable, - .find_companion = omap2_clk_dflt_find_companion, - .find_idlest = omap2_clk_dflt_find_idlest, -}; - -const struct clkops clkops_omap2_dflt = { - .enable = omap2_dflt_clk_enable, - .disable = omap2_dflt_clk_disable, -}; - -/** - * omap2_clk_disable - disable a clock, if the system is not using it - * @clk: struct clk * to disable - * - * Decrements the usecount on struct clk @clk. If there are no users - * left, call the clkops-specific clock disable function to disable it - * in hardware. If the clock is part of a clockdomain (which they all - * should be), request that the clockdomain be disabled. (It too has - * a usecount, and so will not be disabled in the hardware until it no - * longer has any users.) If the clock has a parent clock (most of - * them do), then call ourselves, recursing on the parent clock. This - * can cause an entire branch of the clock tree to be powered off by - * simply disabling one clock. Intended to be called with the clockfw_lock - * spinlock held. No return value. - */ -void omap2_clk_disable(struct clk *clk) -{ - if (clk->usecount == 0) { - WARN(1, "clock: %s: omap2_clk_disable() called, but usecount already 0?", clk->name); - return; - } - - pr_debug("clock: %s: decrementing usecount\n", clk->name); - - clk->usecount--; - - if (clk->usecount > 0) - return; - - pr_debug("clock: %s: disabling in hardware\n", clk->name); - - if (clk->ops && clk->ops->disable) { - trace_clock_disable(clk->name, 0, smp_processor_id()); - clk->ops->disable(clk); - } - - if (clkdm_control && clk->clkdm) - clkdm_clk_disable(clk->clkdm, clk); - - if (clk->parent) - omap2_clk_disable(clk->parent); -} - -/** - * omap2_clk_enable - request that the system enable a clock - * @clk: struct clk * to enable - * - * Increments the usecount on struct clk @clk. If there were no users - * previously, then recurse up the clock tree, enabling all of the - * clock's parents and all of the parent clockdomains, and finally, - * enabling @clk's clockdomain, and @clk itself. Intended to be - * called with the clockfw_lock spinlock held. Returns 0 upon success - * or a negative error code upon failure. - */ -int omap2_clk_enable(struct clk *clk) -{ - int ret; - - pr_debug("clock: %s: incrementing usecount\n", clk->name); - - clk->usecount++; - - if (clk->usecount > 1) - return 0; - - pr_debug("clock: %s: enabling in hardware\n", clk->name); - - if (clk->parent) { - ret = omap2_clk_enable(clk->parent); - if (ret) { - WARN(1, "clock: %s: could not enable parent %s: %d\n", - clk->name, clk->parent->name, ret); - goto oce_err1; - } - } - - if (clkdm_control && clk->clkdm) { - ret = clkdm_clk_enable(clk->clkdm, clk); - if (ret) { - WARN(1, "clock: %s: could not enable clockdomain %s: %d\n", - clk->name, clk->clkdm->name, ret); - goto oce_err2; - } - } - - if (clk->ops && clk->ops->enable) { - trace_clock_enable(clk->name, 1, smp_processor_id()); - ret = clk->ops->enable(clk); - if (ret) { - WARN(1, "clock: %s: could not enable: %d\n", - clk->name, ret); - goto oce_err3; - } - } - - return 0; - -oce_err3: - if (clkdm_control && clk->clkdm) - clkdm_clk_disable(clk->clkdm, clk); -oce_err2: - if (clk->parent) - omap2_clk_disable(clk->parent); -oce_err1: - clk->usecount--; - - return ret; -} - -/* Given a clock and a rate apply a clock specific rounding function */ -long omap2_clk_round_rate(struct clk *clk, unsigned long rate) -{ - if (clk->round_rate) - return clk->round_rate(clk, rate); - - return clk->rate; -} - -/* Set the clock rate for a clock source */ -int omap2_clk_set_rate(struct clk *clk, unsigned long rate) -{ - int ret = -EINVAL; - - pr_debug("clock: set_rate for clock %s to rate %ld\n", clk->name, rate); - - /* dpll_ck, core_ck, virt_prcm_set; plus all clksel clocks */ - if (clk->set_rate) { - trace_clock_set_rate(clk->name, rate, smp_processor_id()); - ret = clk->set_rate(clk, rate); - } - - return ret; -} - -int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent) -{ - if (!clk->clksel) - return -EINVAL; - - if (clk->parent == new_parent) - return 0; - - return omap2_clksel_set_parent(clk, new_parent); -} - -/* - * OMAP2+ clock reset and init functions - */ - -#ifdef CONFIG_OMAP_RESET_CLOCKS -void omap2_clk_disable_unused(struct clk *clk) -{ - u32 regval32, v; - - v = (clk->flags & INVERT_ENABLE) ? (1 << clk->enable_bit) : 0; - - regval32 = __raw_readl(clk->enable_reg); - if ((regval32 & (1 << clk->enable_bit)) == v) - return; - - pr_debug("Disabling unused clock \"%s\"\n", clk->name); - if (cpu_is_omap34xx()) { - omap2_clk_enable(clk); - omap2_clk_disable(clk); - } else { - clk->ops->disable(clk); - } - if (clk->clkdm != NULL) - pwrdm_state_switch(clk->clkdm->pwrdm.ptr); -} -#endif - -#endif /* CONFIG_COMMON_CLK */ /** * omap2_clk_switch_mpurate_at_boot - switch ARM MPU rate by boot-time argument @@ -874,10 +604,6 @@ int __init omap2_clk_switch_mpurate_at_boot(const char *mpurate_ck_name) } calibrate_delay(); -#ifndef CONFIG_COMMON_CLK - recalculate_root_clocks(); -#endif - clk_put(mpurate_ck); return 0; @@ -921,513 +647,3 @@ void __init omap2_clk_print_new_rates(const char *hfclkin_ck_name, (clk_get_rate(core_ck) / 1000000), (clk_get_rate(mpu_ck) / 1000000)); } - -#ifndef CONFIG_COMMON_CLK -/* Common data */ -int clk_enable(struct clk *clk) -{ - unsigned long flags; - int ret; - - if (clk == NULL || IS_ERR(clk)) - return -EINVAL; - - spin_lock_irqsave(&clockfw_lock, flags); - ret = omap2_clk_enable(clk); - spin_unlock_irqrestore(&clockfw_lock, flags); - - return ret; -} -EXPORT_SYMBOL(clk_enable); - -void clk_disable(struct clk *clk) -{ - unsigned long flags; - - if (clk == NULL || IS_ERR(clk)) - return; - - spin_lock_irqsave(&clockfw_lock, flags); - if (clk->usecount == 0) { - pr_err("Trying disable clock %s with 0 usecount\n", - clk->name); - WARN_ON(1); - goto out; - } - - omap2_clk_disable(clk); - -out: - spin_unlock_irqrestore(&clockfw_lock, flags); -} -EXPORT_SYMBOL(clk_disable); - -unsigned long clk_get_rate(struct clk *clk) -{ - unsigned long flags; - unsigned long ret; - - if (clk == NULL || IS_ERR(clk)) - return 0; - - spin_lock_irqsave(&clockfw_lock, flags); - ret = clk->rate; - spin_unlock_irqrestore(&clockfw_lock, flags); - - return ret; -} -EXPORT_SYMBOL(clk_get_rate); - -/* - * Optional clock functions defined in include/linux/clk.h - */ - -long clk_round_rate(struct clk *clk, unsigned long rate) -{ - unsigned long flags; - long ret; - - if (clk == NULL || IS_ERR(clk)) - return 0; - - spin_lock_irqsave(&clockfw_lock, flags); - ret = omap2_clk_round_rate(clk, rate); - spin_unlock_irqrestore(&clockfw_lock, flags); - - return ret; -} -EXPORT_SYMBOL(clk_round_rate); - -int clk_set_rate(struct clk *clk, unsigned long rate) -{ - unsigned long flags; - int ret = -EINVAL; - - if (clk == NULL || IS_ERR(clk)) - return ret; - - spin_lock_irqsave(&clockfw_lock, flags); - ret = omap2_clk_set_rate(clk, rate); - if (ret == 0) - propagate_rate(clk); - spin_unlock_irqrestore(&clockfw_lock, flags); - - return ret; -} -EXPORT_SYMBOL(clk_set_rate); - -int clk_set_parent(struct clk *clk, struct clk *parent) -{ - unsigned long flags; - int ret = -EINVAL; - - if (clk == NULL || IS_ERR(clk) || parent == NULL || IS_ERR(parent)) - return ret; - - spin_lock_irqsave(&clockfw_lock, flags); - if (clk->usecount == 0) { - ret = omap2_clk_set_parent(clk, parent); - if (ret == 0) - propagate_rate(clk); - } else { - ret = -EBUSY; - } - spin_unlock_irqrestore(&clockfw_lock, flags); - - return ret; -} -EXPORT_SYMBOL(clk_set_parent); - -struct clk *clk_get_parent(struct clk *clk) -{ - return clk->parent; -} -EXPORT_SYMBOL(clk_get_parent); - -/* - * OMAP specific clock functions shared between omap1 and omap2 - */ - -int __initdata mpurate; - -/* - * By default we use the rate set by the bootloader. - * You can override this with mpurate= cmdline option. - */ -static int __init omap_clk_setup(char *str) -{ - get_option(&str, &mpurate); - - if (!mpurate) - return 1; - - if (mpurate < 1000) - mpurate *= 1000000; - - return 1; -} -__setup("mpurate=", omap_clk_setup); - -/* Used for clocks that always have same value as the parent clock */ -unsigned long followparent_recalc(struct clk *clk) -{ - return clk->parent->rate; -} - -/* - * Used for clocks that have the same value as the parent clock, - * divided by some factor - */ -unsigned long omap_fixed_divisor_recalc(struct clk *clk) -{ - WARN_ON(!clk->fixed_div); - - return clk->parent->rate / clk->fixed_div; -} - -void clk_reparent(struct clk *child, struct clk *parent) -{ - list_del_init(&child->sibling); - if (parent) - list_add(&child->sibling, &parent->children); - child->parent = parent; - - /* now do the debugfs renaming to reattach the child - to the proper parent */ -} - -/* Propagate rate to children */ -void propagate_rate(struct clk *tclk) -{ - struct clk *clkp; - - list_for_each_entry(clkp, &tclk->children, sibling) { - if (clkp->recalc) - clkp->rate = clkp->recalc(clkp); - propagate_rate(clkp); - } -} - -static LIST_HEAD(root_clks); - -/** - * recalculate_root_clocks - recalculate and propagate all root clocks - * - * Recalculates all root clocks (clocks with no parent), which if the - * clock's .recalc is set correctly, should also propagate their rates. - * Called at init. - */ -void recalculate_root_clocks(void) -{ - struct clk *clkp; - - list_for_each_entry(clkp, &root_clks, sibling) { - if (clkp->recalc) - clkp->rate = clkp->recalc(clkp); - propagate_rate(clkp); - } -} - -/** - * clk_preinit - initialize any fields in the struct clk before clk init - * @clk: struct clk * to initialize - * - * Initialize any struct clk fields needed before normal clk initialization - * can run. No return value. - */ -void clk_preinit(struct clk *clk) -{ - INIT_LIST_HEAD(&clk->children); -} - -int clk_register(struct clk *clk) -{ - if (clk == NULL || IS_ERR(clk)) - return -EINVAL; - - /* - * trap out already registered clocks - */ - if (clk->node.next || clk->node.prev) - return 0; - - mutex_lock(&clocks_mutex); - if (clk->parent) - list_add(&clk->sibling, &clk->parent->children); - else - list_add(&clk->sibling, &root_clks); - - list_add(&clk->node, &clocks); - if (clk->init) - clk->init(clk); - mutex_unlock(&clocks_mutex); - - return 0; -} -EXPORT_SYMBOL(clk_register); - -void clk_unregister(struct clk *clk) -{ - if (clk == NULL || IS_ERR(clk)) - return; - - mutex_lock(&clocks_mutex); - list_del(&clk->sibling); - list_del(&clk->node); - mutex_unlock(&clocks_mutex); -} -EXPORT_SYMBOL(clk_unregister); - -void clk_enable_init_clocks(void) -{ - struct clk *clkp; - - list_for_each_entry(clkp, &clocks, node) - if (clkp->flags & ENABLE_ON_INIT) - clk_enable(clkp); -} - -/** - * omap_clk_get_by_name - locate OMAP struct clk by its name - * @name: name of the struct clk to locate - * - * Locate an OMAP struct clk by its name. Assumes that struct clk - * names are unique. Returns NULL if not found or a pointer to the - * struct clk if found. - */ -struct clk *omap_clk_get_by_name(const char *name) -{ - struct clk *c; - struct clk *ret = NULL; - - mutex_lock(&clocks_mutex); - - list_for_each_entry(c, &clocks, node) { - if (!strcmp(c->name, name)) { - ret = c; - break; - } - } - - mutex_unlock(&clocks_mutex); - - return ret; -} - -int omap_clk_enable_autoidle_all(void) -{ - struct clk *c; - unsigned long flags; - - spin_lock_irqsave(&clockfw_lock, flags); - - list_for_each_entry(c, &clocks, node) - if (c->ops->allow_idle) - c->ops->allow_idle(c); - - spin_unlock_irqrestore(&clockfw_lock, flags); - - return 0; -} - -int omap_clk_disable_autoidle_all(void) -{ - struct clk *c; - unsigned long flags; - - spin_lock_irqsave(&clockfw_lock, flags); - - list_for_each_entry(c, &clocks, node) - if (c->ops->deny_idle) - c->ops->deny_idle(c); - - spin_unlock_irqrestore(&clockfw_lock, flags); - - return 0; -} - -/* - * Low level helpers - */ -static int clkll_enable_null(struct clk *clk) -{ - return 0; -} - -static void clkll_disable_null(struct clk *clk) -{ -} - -const struct clkops clkops_null = { - .enable = clkll_enable_null, - .disable = clkll_disable_null, -}; - -/* - * Dummy clock - * - * Used for clock aliases that are needed on some OMAPs, but not others - */ -struct clk dummy_ck = { - .name = "dummy", - .ops = &clkops_null, -}; - -/* - * - */ - -#ifdef CONFIG_OMAP_RESET_CLOCKS -/* - * Disable any unused clocks left on by the bootloader - */ -static int __init clk_disable_unused(void) -{ - struct clk *ck; - unsigned long flags; - - pr_info("clock: disabling unused clocks to save power\n"); - - spin_lock_irqsave(&clockfw_lock, flags); - list_for_each_entry(ck, &clocks, node) { - if (ck->ops == &clkops_null) - continue; - - if (ck->usecount > 0 || !ck->enable_reg) - continue; - - omap2_clk_disable_unused(ck); - } - spin_unlock_irqrestore(&clockfw_lock, flags); - - return 0; -} -late_initcall(clk_disable_unused); -late_initcall(omap_clk_enable_autoidle_all); -#endif - -#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) -/* - * debugfs support to trace clock tree hierarchy and attributes - */ - -#include -#include - -static struct dentry *clk_debugfs_root; - -static int clk_dbg_show_summary(struct seq_file *s, void *unused) -{ - struct clk *c; - struct clk *pa; - - mutex_lock(&clocks_mutex); - seq_printf(s, "%-30s %-30s %-10s %s\n", - "clock-name", "parent-name", "rate", "use-count"); - - list_for_each_entry(c, &clocks, node) { - pa = c->parent; - seq_printf(s, "%-30s %-30s %-10lu %d\n", - c->name, pa ? pa->name : "none", c->rate, - c->usecount); - } - mutex_unlock(&clocks_mutex); - - return 0; -} - -static int clk_dbg_open(struct inode *inode, struct file *file) -{ - return single_open(file, clk_dbg_show_summary, inode->i_private); -} - -static const struct file_operations debug_clock_fops = { - .open = clk_dbg_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int clk_debugfs_register_one(struct clk *c) -{ - int err; - struct dentry *d; - struct clk *pa = c->parent; - - d = debugfs_create_dir(c->name, pa ? pa->dent : clk_debugfs_root); - if (!d) - return -ENOMEM; - c->dent = d; - - d = debugfs_create_u8("usecount", S_IRUGO, c->dent, (u8 *)&c->usecount); - if (!d) { - err = -ENOMEM; - goto err_out; - } - d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate); - if (!d) { - err = -ENOMEM; - goto err_out; - } - d = debugfs_create_x32("flags", S_IRUGO, c->dent, (u32 *)&c->flags); - if (!d) { - err = -ENOMEM; - goto err_out; - } - return 0; - -err_out: - debugfs_remove_recursive(c->dent); - return err; -} - -static int clk_debugfs_register(struct clk *c) -{ - int err; - struct clk *pa = c->parent; - - if (pa && !pa->dent) { - err = clk_debugfs_register(pa); - if (err) - return err; - } - - if (!c->dent) { - err = clk_debugfs_register_one(c); - if (err) - return err; - } - return 0; -} - -static int __init clk_debugfs_init(void) -{ - struct clk *c; - struct dentry *d; - int err; - - d = debugfs_create_dir("clock", NULL); - if (!d) - return -ENOMEM; - clk_debugfs_root = d; - - list_for_each_entry(c, &clocks, node) { - err = clk_debugfs_register(c); - if (err) - goto err_out; - } - - d = debugfs_create_file("summary", S_IRUGO, - d, NULL, &debug_clock_fops); - if (!d) - return -ENOMEM; - - return 0; -err_out: - debugfs_remove_recursive(clk_debugfs_root); - return err; -} -late_initcall(clk_debugfs_init); - -#endif /* defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) */ -#endif /* CONFIG_COMMON_CLK */ diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h index baeaff229506..9917f793c3b6 100644 --- a/arch/arm/mach-omap2/clock.h +++ b/arch/arm/mach-omap2/clock.h @@ -20,6 +20,7 @@ #include #include +#include struct omap_clk { u16 cpu; @@ -52,9 +53,6 @@ struct omap_clk { #define CK_34XX (CK_3430ES1 | CK_3430ES2PLUS) #define CK_3XXX (CK_34XX | CK_AM35XX | CK_36XX) -#ifdef CONFIG_COMMON_CLK -#include - struct clockdomain; #define to_clk_hw_omap(_hw) container_of(_hw, struct clk_hw_omap, hw) @@ -134,48 +132,6 @@ struct clockdomain; }; \ DEFINE_STRUCT_CLK(_name, _name##_parent_names, omap_hsdivider_ops); - -#else - -struct module; -struct clk; -struct clockdomain; - -/* Temporary, needed during the common clock framework conversion */ -#define __clk_get_name(clk) (clk->name) -#define __clk_get_parent(clk) (clk->parent) -#define __clk_get_rate(clk) (clk->rate) - -/** - * struct clkops - some clock function pointers - * @enable: fn ptr that enables the current clock in hardware - * @disable: fn ptr that enables the current clock in hardware - * @find_idlest: function returning the IDLEST register for the clock's IP blk - * @find_companion: function returning the "companion" clk reg for the clock - * @allow_idle: fn ptr that enables autoidle for the current clock in hardware - * @deny_idle: fn ptr that disables autoidle for the current clock in hardware - * - * A "companion" clk is an accompanying clock to the one being queried - * that must be enabled for the IP module connected to the clock to - * become accessible by the hardware. Neither @find_idlest nor - * @find_companion should be needed; that information is IP - * block-specific; the hwmod code has been created to handle this, but - * until hwmod data is ready and drivers have been converted to use PM - * runtime calls in place of clk_enable()/clk_disable(), @find_idlest and - * @find_companion must, unfortunately, remain. - */ -struct clkops { - int (*enable)(struct clk *); - void (*disable)(struct clk *); - void (*find_idlest)(struct clk *, void __iomem **, - u8 *, u8 *); - void (*find_companion)(struct clk *, void __iomem **, - u8 *); - void (*allow_idle)(struct clk *); - void (*deny_idle)(struct clk *); -}; -#endif - /* struct clksel_rate.flags possibilities */ #define RATE_IN_242X (1 << 0) #define RATE_IN_243X (1 << 1) @@ -314,7 +270,6 @@ struct dpll_data { #define INVERT_ENABLE (1 << 4) /* 0 enables, 1 disables */ #define CLOCK_CLKOUTX2 (1 << 5) -#ifdef CONFIG_COMMON_CLK /** * struct clk_hw_omap - OMAP struct clk * @node: list_head connecting this clock into the full clock list @@ -367,114 +322,6 @@ struct clk_hw_omap_ops { unsigned long omap_fixed_divisor_recalc(struct clk_hw *hw, unsigned long parent_rate); -#else -/** - * struct clk - OMAP struct clk - * @node: list_head connecting this clock into the full clock list - * @ops: struct clkops * for this clock - * @name: the name of the clock in the hardware (used in hwmod data and debug) - * @parent: pointer to this clock's parent struct clk - * @children: list_head connecting to the child clks' @sibling list_heads - * @sibling: list_head connecting this clk to its parent clk's @children - * @rate: current clock rate - * @enable_reg: register to write to enable the clock (see @enable_bit) - * @recalc: fn ptr that returns the clock's current rate - * @set_rate: fn ptr that can change the clock's current rate - * @round_rate: fn ptr that can round the clock's current rate - * @init: fn ptr to do clock-specific initialization - * @enable_bit: bitshift to write to enable/disable the clock (see @enable_reg) - * @usecount: number of users that have requested this clock to be enabled - * @fixed_div: when > 0, this clock's rate is its parent's rate / @fixed_div - * @flags: see "struct clk.flags possibilities" above - * @clksel_reg: for clksel clks, register va containing src/divisor select - * @clksel_mask: bitmask in @clksel_reg for the src/divisor selector - * @clksel: for clksel clks, pointer to struct clksel for this clock - * @dpll_data: for DPLLs, pointer to struct dpll_data for this clock - * @clkdm_name: clockdomain name that this clock is contained in - * @clkdm: pointer to struct clockdomain, resolved from @clkdm_name at runtime - * @rate_offset: bitshift for rate selection bitfield (OMAP1 only) - * @src_offset: bitshift for source selection bitfield (OMAP1 only) - * - * XXX @rate_offset, @src_offset should probably be removed and OMAP1 - * clock code converted to use clksel. - * - * XXX @usecount is poorly named. It should be "enable_count" or - * something similar. "users" in the description refers to kernel - * code (core code or drivers) that have called clk_enable() and not - * yet called clk_disable(); the usecount of parent clocks is also - * incremented by the clock code when clk_enable() is called on child - * clocks and decremented by the clock code when clk_disable() is - * called on child clocks. - * - * XXX @clkdm, @usecount, @children, @sibling should be marked for - * internal use only. - * - * @children and @sibling are used to optimize parent-to-child clock - * tree traversals. (child-to-parent traversals use @parent.) - * - * XXX The notion of the clock's current rate probably needs to be - * separated from the clock's target rate. - */ -struct clk { - struct list_head node; - const struct clkops *ops; - const char *name; - struct clk *parent; - struct list_head children; - struct list_head sibling; /* node for children */ - unsigned long rate; - void __iomem *enable_reg; - unsigned long (*recalc)(struct clk *); - int (*set_rate)(struct clk *, unsigned long); - long (*round_rate)(struct clk *, unsigned long); - void (*init)(struct clk *); - u8 enable_bit; - s8 usecount; - u8 fixed_div; - u8 flags; - void __iomem *clksel_reg; - u32 clksel_mask; - const struct clksel *clksel; - struct dpll_data *dpll_data; - const char *clkdm_name; - struct clockdomain *clkdm; -#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) - struct dentry *dent; /* For visible tree hierarchy */ -#endif -}; - -struct clk_functions { - int (*clk_enable)(struct clk *clk); - void (*clk_disable)(struct clk *clk); - long (*clk_round_rate)(struct clk *clk, unsigned long rate); - int (*clk_set_rate)(struct clk *clk, unsigned long rate); - int (*clk_set_parent)(struct clk *clk, struct clk *parent); - void (*clk_allow_idle)(struct clk *clk); - void (*clk_deny_idle)(struct clk *clk); - void (*clk_disable_unused)(struct clk *clk); -}; - -extern int mpurate; - -extern int clk_init(struct clk_functions *custom_clocks); -extern void clk_preinit(struct clk *clk); -extern int clk_register(struct clk *clk); -extern void clk_reparent(struct clk *child, struct clk *parent); -extern void clk_unregister(struct clk *clk); -extern void propagate_rate(struct clk *clk); -extern void recalculate_root_clocks(void); -extern unsigned long followparent_recalc(struct clk *clk); -extern void clk_enable_init_clocks(void); -unsigned long omap_fixed_divisor_recalc(struct clk *clk); -extern struct clk *omap_clk_get_by_name(const char *name); -extern int omap_clk_enable_autoidle_all(void); -extern int omap_clk_disable_autoidle_all(void); - -extern const struct clkops clkops_null; - -extern struct clk dummy_ck; - -#endif /* CONFIG_COMMON_CLK */ /* CM_CLKSEL2_PLL.CORE_CLK_SRC bits (2XXX) */ #define CORE_CLK_SRC_32K 0x0 @@ -505,15 +352,6 @@ extern struct clk dummy_ck; /* DPLL Type and DCO Selection Flags */ #define DPLL_J_TYPE 0x1 -#ifndef CONFIG_COMMON_CLK -int omap2_clk_enable(struct clk *clk); -void omap2_clk_disable(struct clk *clk); -long omap2_clk_round_rate(struct clk *clk, unsigned long rate); -int omap2_clk_set_rate(struct clk *clk, unsigned long rate); -int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent); -#endif /* CONFIG_COMMON_CLK */ - -#ifdef CONFIG_COMMON_CLK long omap2_dpll_round_rate(struct clk_hw *hw, unsigned long target_rate, unsigned long *parent_rate); unsigned long omap3_dpll_recalc(struct clk_hw *hw, unsigned long parent_rate); @@ -534,37 +372,11 @@ unsigned long omap4_dpll_regm4xen_recalc(struct clk_hw *hw, long omap4_dpll_regm4xen_round_rate(struct clk_hw *hw, unsigned long target_rate, unsigned long *parent_rate); -#else -long omap2_dpll_round_rate(struct clk *clk, unsigned long target_rate); -unsigned long omap3_dpll_recalc(struct clk *clk); -unsigned long omap3_clkoutx2_recalc(struct clk *clk); -void omap3_dpll_allow_idle(struct clk *clk); -void omap3_dpll_deny_idle(struct clk *clk); -u32 omap3_dpll_autoidle_read(struct clk *clk); -int omap3_noncore_dpll_set_rate(struct clk *clk, unsigned long rate); -int omap3_noncore_dpll_enable(struct clk *clk); -void omap3_noncore_dpll_disable(struct clk *clk); -int omap4_dpllmx_gatectrl_read(struct clk *clk); -void omap4_dpllmx_allow_gatectrl(struct clk *clk); -void omap4_dpllmx_deny_gatectrl(struct clk *clk); -long omap4_dpll_regm4xen_round_rate(struct clk *clk, unsigned long target_rate); -unsigned long omap4_dpll_regm4xen_recalc(struct clk *clk); -#endif -#ifdef CONFIG_OMAP_RESET_CLOCKS -void omap2_clk_disable_unused(struct clk *clk); -#else -#define omap2_clk_disable_unused NULL -#endif -#ifdef CONFIG_COMMON_CLK void omap2_init_clk_clkdm(struct clk_hw *clk); -#else -void omap2_init_clk_clkdm(struct clk *clk); -#endif void __init omap2_clk_disable_clkdm_control(void); /* clkt_clksel.c public functions */ -#ifdef CONFIG_COMMON_CLK u32 omap2_clksel_round_rate_div(struct clk_hw_omap *clk, unsigned long target_rate, u32 *new_div); @@ -575,29 +387,14 @@ long omap2_clksel_round_rate(struct clk_hw *hw, unsigned long target_rate, int omap2_clksel_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate); int omap2_clksel_set_parent(struct clk_hw *hw, u8 field_val); -#else -u32 omap2_clksel_round_rate_div(struct clk *clk, unsigned long target_rate, - u32 *new_div); -void omap2_init_clksel_parent(struct clk *clk); -unsigned long omap2_clksel_recalc(struct clk *clk); -long omap2_clksel_round_rate(struct clk *clk, unsigned long target_rate); -int omap2_clksel_set_rate(struct clk *clk, unsigned long rate); -int omap2_clksel_set_parent(struct clk *clk, struct clk *new_parent); -#endif /* clkt_iclk.c public functions */ extern void omap2_clkt_iclk_allow_idle(struct clk_hw_omap *clk); extern void omap2_clkt_iclk_deny_idle(struct clk_hw_omap *clk); -#ifdef CONFIG_COMMON_CLK u8 omap2_init_dpll_parent(struct clk_hw *hw); unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk); -#else -u32 omap2_get_dpll_rate(struct clk *clk); -void omap2_init_dpll_parent(struct clk *clk); -#endif -#ifdef CONFIG_COMMON_CLK int omap2_dflt_clk_enable(struct clk_hw *hw); void omap2_dflt_clk_disable(struct clk_hw *hw); int omap2_dflt_clk_is_enabled(struct clk_hw *hw); @@ -611,14 +408,6 @@ void omap2_init_clk_hw_omap_clocks(struct clk *clk); int omap2_clk_enable_autoidle_all(void); int omap2_clk_disable_autoidle_all(void); void omap2_clk_enable_init_clocks(const char **clk_names, u8 num_clocks); -#else -int omap2_dflt_clk_enable(struct clk *clk); -void omap2_dflt_clk_disable(struct clk *clk); -void omap2_clk_dflt_find_companion(struct clk *clk, void __iomem **other_reg, - u8 *other_bit); -void omap2_clk_dflt_find_idlest(struct clk *clk, void __iomem **idlest_reg, - u8 *idlest_bit, u8 *idlest_val); -#endif int omap2_clk_switch_mpurate_at_boot(const char *mpurate_ck_name); void omap2_clk_print_new_rates(const char *hfclkin_ck_name, const char *core_ck_name, @@ -665,17 +454,9 @@ extern const struct clksel_rate div_1_3_rates[]; extern const struct clksel_rate div_1_4_rates[]; extern const struct clksel_rate div31_1to31_rates[]; -#ifndef CONFIG_COMMON_CLK -/* clocks shared between various OMAP SoCs */ -extern struct clk virt_19200000_ck; -extern struct clk virt_26000000_ck; -#endif - extern int am33xx_clk_init(void); -#ifdef CONFIG_COMMON_CLK extern int omap2_clkops_enable_clkdm(struct clk_hw *hw); extern void omap2_clkops_disable_clkdm(struct clk_hw *hw); -#endif #endif diff --git a/arch/arm/mach-omap2/clock_common_data.c b/arch/arm/mach-omap2/clock_common_data.c index c0d02a97b768..ef4d21bfb964 100644 --- a/arch/arm/mach-omap2/clock_common_data.c +++ b/arch/arm/mach-omap2/clock_common_data.c @@ -16,6 +16,7 @@ * OMAP3xxx clock definition files. */ +#include #include "clock.h" /* clksel_rate data common to 24xx/343x */ @@ -115,9 +116,6 @@ const struct clksel_rate div31_1to31_rates[] = { }; /* Clocks shared between various OMAP SoCs */ -#ifdef CONFIG_COMMON_CLK - -#include static struct clk_ops dummy_ck_ops = {}; @@ -126,19 +124,3 @@ struct clk dummy_ck = { .ops = &dummy_ck_ops, .flags = CLK_IS_BASIC, }; - -#else - -struct clk virt_19200000_ck = { - .name = "virt_19200000_ck", - .ops = &clkops_null, - .rate = 19200000, -}; - -struct clk virt_26000000_ck = { - .name = "virt_26000000_ck", - .ops = &clkops_null, - .rate = 26000000, -}; - -#endif diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index be6fe356ddba..384873580b23 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -997,11 +997,9 @@ int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk) spin_lock_irqsave(&clkdm->lock, flags); -#ifdef CONFIG_COMMON_CLK /* corner case: disabling unused clocks */ if (__clk_get_enable_count(clk) == 0) goto ccd_exit; -#endif if (atomic_read(&clkdm->usecount) == 0) { spin_unlock_irqrestore(&clkdm->lock, flags); @@ -1019,9 +1017,7 @@ int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk) pr_debug("clockdomain: %s: disabled\n", clkdm->name); -#ifdef CONFIG_COMMON_CLK ccd_exit: -#endif spin_unlock_irqrestore(&clkdm->lock, flags); return 0; -- cgit