root / hw / omap_clk.c @ 91011d4f
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/*
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* OMAP clocks.
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*
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* Copyright (C) 2006-2008 Andrzej Zaborowski <balrog@zabor.org>
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*
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* Clocks data comes in part from arch/arm/mach-omap1/clock.h in Linux.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "hw.h" |
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#include "omap.h" |
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struct clk {
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const char *name; |
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const char *alias; |
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struct clk *parent;
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struct clk *child1;
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struct clk *sibling;
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#define ALWAYS_ENABLED (1 << 0) |
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#define CLOCK_IN_OMAP310 (1 << 10) |
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#define CLOCK_IN_OMAP730 (1 << 11) |
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#define CLOCK_IN_OMAP1510 (1 << 12) |
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#define CLOCK_IN_OMAP16XX (1 << 13) |
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#define CLOCK_IN_OMAP242X (1 << 14) |
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#define CLOCK_IN_OMAP243X (1 << 15) |
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#define CLOCK_IN_OMAP343X (1 << 16) |
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uint32_t flags; |
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int id;
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int running; /* Is currently ticking */ |
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int enabled; /* Is enabled, regardless of its input clk */ |
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unsigned long rate; /* Current rate (if .running) */ |
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unsigned int divisor; /* Rate relative to input (if .enabled) */ |
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unsigned int multiplier; /* Rate relative to input (if .enabled) */ |
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qemu_irq users[16]; /* Who to notify on change */ |
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int usecount; /* Automatically idle when unused */ |
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}; |
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static struct clk xtal_osc12m = { |
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.name = "xtal_osc_12m",
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.rate = 12000000,
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, |
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}; |
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static struct clk xtal_osc32k = { |
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.name = "xtal_osc_32k",
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.rate = 32768,
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | |
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CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
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}; |
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static struct clk ck_ref = { |
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.name = "ck_ref",
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.alias = "clkin",
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.parent = &xtal_osc12m, |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | |
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ALWAYS_ENABLED, |
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}; |
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/* If a dpll is disabled it becomes a bypass, child clocks don't stop */
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static struct clk dpll1 = { |
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.name = "dpll1",
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.parent = &ck_ref, |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | |
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ALWAYS_ENABLED, |
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}; |
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static struct clk dpll2 = { |
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.name = "dpll2",
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.parent = &ck_ref, |
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.flags = CLOCK_IN_OMAP310 | ALWAYS_ENABLED, |
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}; |
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static struct clk dpll3 = { |
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.name = "dpll3",
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.parent = &ck_ref, |
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.flags = CLOCK_IN_OMAP310 | ALWAYS_ENABLED, |
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}; |
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static struct clk dpll4 = { |
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.name = "dpll4",
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.parent = &ck_ref, |
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.multiplier = 4,
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, |
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}; |
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static struct clk apll = { |
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.name = "apll",
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.parent = &ck_ref, |
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.multiplier = 48,
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.divisor = 12,
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, |
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}; |
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static struct clk ck_48m = { |
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.name = "ck_48m",
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.parent = &dpll4, /* either dpll4 or apll */
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, |
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}; |
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static struct clk ck_dpll1out = { |
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.name = "ck_dpll1out",
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.parent = &dpll1, |
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.flags = CLOCK_IN_OMAP16XX, |
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}; |
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static struct clk sossi_ck = { |
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.name = "ck_sossi",
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.parent = &ck_dpll1out, |
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.flags = CLOCK_IN_OMAP16XX, |
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}; |
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static struct clk clkm1 = { |
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.name = "clkm1",
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.alias = "ck_gen1",
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.parent = &dpll1, |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | |
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ALWAYS_ENABLED, |
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}; |
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static struct clk clkm2 = { |
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.name = "clkm2",
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.alias = "ck_gen2",
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.parent = &dpll1, |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | |
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ALWAYS_ENABLED, |
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}; |
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static struct clk clkm3 = { |
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.name = "clkm3",
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.alias = "ck_gen3",
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.parent = &dpll1, /* either dpll1 or ck_ref */
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | |
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ALWAYS_ENABLED, |
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}; |
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static struct clk arm_ck = { |
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.name = "arm_ck",
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.alias = "mpu_ck",
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.parent = &clkm1, |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | |
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ALWAYS_ENABLED, |
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}; |
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static struct clk armper_ck = { |
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.name = "armper_ck",
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.alias = "mpuper_ck",
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.parent = &clkm1, |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, |
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}; |
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static struct clk arm_gpio_ck = { |
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.name = "arm_gpio_ck",
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.alias = "mpu_gpio_ck",
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.parent = &clkm1, |
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.divisor = 1,
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310, |
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}; |
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static struct clk armxor_ck = { |
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.name = "armxor_ck",
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.alias = "mpuxor_ck",
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.parent = &ck_ref, |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, |
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}; |
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static struct clk armtim_ck = { |
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.name = "armtim_ck",
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.alias = "mputim_ck",
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.parent = &ck_ref, /* either CLKIN or DPLL1 */
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, |
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}; |
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static struct clk armwdt_ck = { |
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.name = "armwdt_ck",
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.alias = "mpuwd_ck",
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.parent = &clkm1, |
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.divisor = 14,
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | |
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ALWAYS_ENABLED, |
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}; |
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static struct clk arminth_ck16xx = { |
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.name = "arminth_ck",
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.parent = &arm_ck, |
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.flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, |
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/* Note: On 16xx the frequency can be divided by 2 by programming
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* ARM_CKCTL:ARM_INTHCK_SEL(14) to 1
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*
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* 1510 version is in TC clocks.
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*/
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}; |
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static struct clk dsp_ck = { |
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.name = "dsp_ck",
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.parent = &clkm2, |
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.flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX, |
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}; |
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static struct clk dspmmu_ck = { |
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.name = "dspmmu_ck",
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.parent = &clkm2, |
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.flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | |
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ALWAYS_ENABLED, |
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}; |
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static struct clk dspper_ck = { |
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.name = "dspper_ck",
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.parent = &clkm2, |
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.flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX, |
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}; |
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static struct clk dspxor_ck = { |
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.name = "dspxor_ck",
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.parent = &ck_ref, |
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.flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX, |
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}; |
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static struct clk dsptim_ck = { |
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.name = "dsptim_ck",
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.parent = &ck_ref, |
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.flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX, |
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}; |
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static struct clk tc_ck = { |
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.name = "tc_ck",
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.parent = &clkm3, |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | |
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CLOCK_IN_OMAP730 | CLOCK_IN_OMAP310 | |
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ALWAYS_ENABLED, |
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}; |
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static struct clk arminth_ck15xx = { |
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.name = "arminth_ck",
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.parent = &tc_ck, |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, |
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/* Note: On 1510 the frequency follows TC_CK
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*
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* 16xx version is in MPU clocks.
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*/
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}; |
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static struct clk tipb_ck = { |
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/* No-idle controlled by "tc_ck" */
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.name = "tipb_ck",
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.parent = &tc_ck, |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, |
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}; |
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static struct clk l3_ocpi_ck = { |
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/* No-idle controlled by "tc_ck" */
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.name = "l3_ocpi_ck",
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.parent = &tc_ck, |
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.flags = CLOCK_IN_OMAP16XX, |
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}; |
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static struct clk tc1_ck = { |
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.name = "tc1_ck",
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.parent = &tc_ck, |
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.flags = CLOCK_IN_OMAP16XX, |
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}; |
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static struct clk tc2_ck = { |
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.name = "tc2_ck",
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.parent = &tc_ck, |
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.flags = CLOCK_IN_OMAP16XX, |
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}; |
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static struct clk dma_ck = { |
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/* No-idle controlled by "tc_ck" */
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.name = "dma_ck",
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.parent = &tc_ck, |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | |
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ALWAYS_ENABLED, |
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}; |
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static struct clk dma_lcdfree_ck = { |
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.name = "dma_lcdfree_ck",
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.parent = &tc_ck, |
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.flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, |
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}; |
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static struct clk api_ck = { |
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.name = "api_ck",
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.alias = "mpui_ck",
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.parent = &tc_ck, |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, |
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}; |
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static struct clk lb_ck = { |
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.name = "lb_ck",
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.parent = &tc_ck, |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310, |
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}; |
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static struct clk lbfree_ck = { |
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.name = "lbfree_ck",
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.parent = &tc_ck, |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310, |
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}; |
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static struct clk hsab_ck = { |
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.name = "hsab_ck",
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.parent = &tc_ck, |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310, |
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}; |
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static struct clk rhea1_ck = { |
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.name = "rhea1_ck",
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.parent = &tc_ck, |
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.flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, |
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}; |
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static struct clk rhea2_ck = { |
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.name = "rhea2_ck",
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.parent = &tc_ck, |
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.flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, |
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}; |
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static struct clk lcd_ck_16xx = { |
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.name = "lcd_ck",
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.parent = &clkm3, |
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.flags = CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP730, |
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}; |
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static struct clk lcd_ck_1510 = { |
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.name = "lcd_ck",
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.parent = &clkm3, |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310, |
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}; |
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static struct clk uart1_1510 = { |
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.name = "uart1_ck",
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/* Direct from ULPD, no real parent */
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.parent = &armper_ck, /* either armper_ck or dpll4 */
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.rate = 12000000,
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, |
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}; |
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static struct clk uart1_16xx = { |
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.name = "uart1_ck",
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/* Direct from ULPD, no real parent */
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.parent = &armper_ck, |
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.rate = 48000000,
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.flags = CLOCK_IN_OMAP16XX, |
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}; |
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static struct clk uart2_ck = { |
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.name = "uart2_ck",
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/* Direct from ULPD, no real parent */
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.parent = &armper_ck, /* either armper_ck or dpll4 */
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.rate = 12000000,
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | |
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ALWAYS_ENABLED, |
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}; |
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static struct clk uart3_1510 = { |
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.name = "uart3_ck",
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/* Direct from ULPD, no real parent */
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.parent = &armper_ck, /* either armper_ck or dpll4 */
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.rate = 12000000,
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, |
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}; |
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static struct clk uart3_16xx = { |
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.name = "uart3_ck",
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/* Direct from ULPD, no real parent */
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.parent = &armper_ck, |
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.rate = 48000000,
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.flags = CLOCK_IN_OMAP16XX, |
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}; |
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static struct clk usb_clk0 = { /* 6 MHz output on W4_USB_CLK0 */ |
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.name = "usb_clk0",
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.alias = "usb.clko",
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/* Direct from ULPD, no parent */
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.rate = 6000000,
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, |
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}; |
391 |
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static struct clk usb_hhc_ck1510 = { |
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.name = "usb_hhc_ck",
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/* Direct from ULPD, no parent */
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.rate = 48000000, /* Actually 2 clocks, 12MHz and 48MHz */ |
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310, |
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}; |
398 |
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static struct clk usb_hhc_ck16xx = { |
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.name = "usb_hhc_ck",
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/* Direct from ULPD, no parent */
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.rate = 48000000,
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/* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */
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.flags = CLOCK_IN_OMAP16XX, |
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}; |
406 |
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static struct clk usb_w2fc_mclk = { |
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.name = "usb_w2fc_mclk",
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.alias = "usb_w2fc_ck",
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.parent = &ck_48m, |
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.rate = 48000000,
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.flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX, |
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}; |
414 |
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static struct clk mclk_1510 = { |
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.name = "mclk",
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/* Direct from ULPD, no parent. May be enabled by ext hardware. */
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.rate = 12000000,
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.flags = CLOCK_IN_OMAP1510, |
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}; |
421 |
|
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static struct clk bclk_310 = { |
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.name = "bt_mclk_out", /* Alias midi_mclk_out? */ |
424 |
.parent = &armper_ck, |
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.flags = CLOCK_IN_OMAP310, |
426 |
}; |
427 |
|
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static struct clk mclk_310 = { |
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.name = "com_mclk_out",
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.parent = &armper_ck, |
431 |
.flags = CLOCK_IN_OMAP310, |
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}; |
433 |
|
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static struct clk mclk_16xx = { |
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.name = "mclk",
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/* Direct from ULPD, no parent. May be enabled by ext hardware. */
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.flags = CLOCK_IN_OMAP16XX, |
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}; |
439 |
|
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static struct clk bclk_1510 = { |
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.name = "bclk",
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/* Direct from ULPD, no parent. May be enabled by ext hardware. */
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.rate = 12000000,
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.flags = CLOCK_IN_OMAP1510, |
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}; |
446 |
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static struct clk bclk_16xx = { |
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.name = "bclk",
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/* Direct from ULPD, no parent. May be enabled by ext hardware. */
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.flags = CLOCK_IN_OMAP16XX, |
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}; |
452 |
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static struct clk mmc1_ck = { |
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.name = "mmc_ck",
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.id = 1,
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/* Functional clock is direct from ULPD, interface clock is ARMPER */
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.parent = &armper_ck, /* either armper_ck or dpll4 */
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.rate = 48000000,
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.flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, |
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}; |
461 |
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static struct clk mmc2_ck = { |
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.name = "mmc_ck",
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.id = 2,
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/* Functional clock is direct from ULPD, interface clock is ARMPER */
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.parent = &armper_ck, |
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.rate = 48000000,
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.flags = CLOCK_IN_OMAP16XX, |
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}; |
470 |
|
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static struct clk cam_mclk = { |
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.name = "cam.mclk",
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.flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX, |
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.rate = 12000000,
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}; |
476 |
|
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static struct clk cam_exclk = { |
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.name = "cam.exclk",
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.flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX, |
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/* Either 12M from cam.mclk or 48M from dpll4 */
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.parent = &cam_mclk, |
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}; |
483 |
|
484 |
static struct clk cam_lclk = { |
485 |
.name = "cam.lclk",
|
486 |
.flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX, |
487 |
}; |
488 |
|
489 |
static struct clk i2c_fck = { |
490 |
.name = "i2c_fck",
|
491 |
.id = 1,
|
492 |
.flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | |
493 |
ALWAYS_ENABLED, |
494 |
.parent = &armxor_ck, |
495 |
}; |
496 |
|
497 |
static struct clk i2c_ick = { |
498 |
.name = "i2c_ick",
|
499 |
.id = 1,
|
500 |
.flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, |
501 |
.parent = &armper_ck, |
502 |
}; |
503 |
|
504 |
static struct clk clk32k = { |
505 |
.name = "clk32-kHz",
|
506 |
.flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | |
507 |
CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, |
508 |
.parent = &xtal_osc32k, |
509 |
}; |
510 |
|
511 |
static struct clk ref_clk = { |
512 |
.name = "ref_clk",
|
513 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, |
514 |
.rate = 12000000, /* 12 MHz or 13 MHz or 19.2 MHz */ |
515 |
/*.parent = sys.xtalin */
|
516 |
}; |
517 |
|
518 |
static struct clk apll_96m = { |
519 |
.name = "apll_96m",
|
520 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, |
521 |
.rate = 96000000,
|
522 |
/*.parent = ref_clk */
|
523 |
}; |
524 |
|
525 |
static struct clk apll_54m = { |
526 |
.name = "apll_54m",
|
527 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, |
528 |
.rate = 54000000,
|
529 |
/*.parent = ref_clk */
|
530 |
}; |
531 |
|
532 |
static struct clk sys_clk = { |
533 |
.name = "sys_clk",
|
534 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, |
535 |
.rate = 32768,
|
536 |
/*.parent = sys.xtalin */
|
537 |
}; |
538 |
|
539 |
static struct clk sleep_clk = { |
540 |
.name = "sleep_clk",
|
541 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, |
542 |
.rate = 32768,
|
543 |
/*.parent = sys.xtalin */
|
544 |
}; |
545 |
|
546 |
static struct clk dpll_ck = { |
547 |
.name = "dpll",
|
548 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, |
549 |
.parent = &ref_clk, |
550 |
}; |
551 |
|
552 |
static struct clk dpll_x2_ck = { |
553 |
.name = "dpll_x2",
|
554 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, |
555 |
.parent = &ref_clk, |
556 |
}; |
557 |
|
558 |
static struct clk wdt1_sys_clk = { |
559 |
.name = "wdt1_sys_clk",
|
560 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, |
561 |
.rate = 32768,
|
562 |
/*.parent = sys.xtalin */
|
563 |
}; |
564 |
|
565 |
static struct clk func_96m_clk = { |
566 |
.name = "func_96m_clk",
|
567 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
568 |
.divisor = 1,
|
569 |
.parent = &apll_96m, |
570 |
}; |
571 |
|
572 |
static struct clk func_48m_clk = { |
573 |
.name = "func_48m_clk",
|
574 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
575 |
.divisor = 2,
|
576 |
.parent = &apll_96m, |
577 |
}; |
578 |
|
579 |
static struct clk func_12m_clk = { |
580 |
.name = "func_12m_clk",
|
581 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
582 |
.divisor = 8,
|
583 |
.parent = &apll_96m, |
584 |
}; |
585 |
|
586 |
static struct clk func_54m_clk = { |
587 |
.name = "func_54m_clk",
|
588 |
.flags = CLOCK_IN_OMAP242X, |
589 |
.divisor = 1,
|
590 |
.parent = &apll_54m, |
591 |
}; |
592 |
|
593 |
static struct clk sys_clkout = { |
594 |
.name = "clkout",
|
595 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
596 |
.parent = &sys_clk, |
597 |
}; |
598 |
|
599 |
static struct clk sys_clkout2 = { |
600 |
.name = "clkout2",
|
601 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
602 |
.parent = &sys_clk, |
603 |
}; |
604 |
|
605 |
static struct clk core_clk = { |
606 |
.name = "core_clk",
|
607 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
608 |
.parent = &dpll_x2_ck, /* Switchable between dpll_ck and clk32k */
|
609 |
}; |
610 |
|
611 |
static struct clk l3_clk = { |
612 |
.name = "l3_clk",
|
613 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
614 |
.parent = &core_clk, |
615 |
}; |
616 |
|
617 |
static struct clk core_l4_iclk = { |
618 |
.name = "core_l4_iclk",
|
619 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
620 |
.parent = &l3_clk, |
621 |
}; |
622 |
|
623 |
static struct clk wu_l4_iclk = { |
624 |
.name = "wu_l4_iclk",
|
625 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
626 |
.parent = &l3_clk, |
627 |
}; |
628 |
|
629 |
static struct clk core_l3_iclk = { |
630 |
.name = "core_l3_iclk",
|
631 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
632 |
.parent = &core_clk, |
633 |
}; |
634 |
|
635 |
static struct clk core_l4_usb_clk = { |
636 |
.name = "core_l4_usb_clk",
|
637 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
638 |
.parent = &l3_clk, |
639 |
}; |
640 |
|
641 |
static struct clk wu_gpt1_clk = { |
642 |
.name = "wu_gpt1_clk",
|
643 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
644 |
.parent = &sys_clk, |
645 |
}; |
646 |
|
647 |
static struct clk wu_32k_clk = { |
648 |
.name = "wu_32k_clk",
|
649 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
650 |
.parent = &sys_clk, |
651 |
}; |
652 |
|
653 |
static struct clk uart1_fclk = { |
654 |
.name = "uart1_fclk",
|
655 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
656 |
.parent = &func_48m_clk, |
657 |
}; |
658 |
|
659 |
static struct clk uart1_iclk = { |
660 |
.name = "uart1_iclk",
|
661 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
662 |
.parent = &core_l4_iclk, |
663 |
}; |
664 |
|
665 |
static struct clk uart2_fclk = { |
666 |
.name = "uart2_fclk",
|
667 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
668 |
.parent = &func_48m_clk, |
669 |
}; |
670 |
|
671 |
static struct clk uart2_iclk = { |
672 |
.name = "uart2_iclk",
|
673 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
674 |
.parent = &core_l4_iclk, |
675 |
}; |
676 |
|
677 |
static struct clk uart3_fclk = { |
678 |
.name = "uart3_fclk",
|
679 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
680 |
.parent = &func_48m_clk, |
681 |
}; |
682 |
|
683 |
static struct clk uart3_iclk = { |
684 |
.name = "uart3_iclk",
|
685 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
686 |
.parent = &core_l4_iclk, |
687 |
}; |
688 |
|
689 |
static struct clk mpu_fclk = { |
690 |
.name = "mpu_fclk",
|
691 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
692 |
.parent = &core_clk, |
693 |
}; |
694 |
|
695 |
static struct clk mpu_iclk = { |
696 |
.name = "mpu_iclk",
|
697 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
698 |
.parent = &core_clk, |
699 |
}; |
700 |
|
701 |
static struct clk int_m_fclk = { |
702 |
.name = "int_m_fclk",
|
703 |
.alias = "mpu_intc_fclk",
|
704 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
705 |
.parent = &core_clk, |
706 |
}; |
707 |
|
708 |
static struct clk int_m_iclk = { |
709 |
.name = "int_m_iclk",
|
710 |
.alias = "mpu_intc_iclk",
|
711 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
712 |
.parent = &core_clk, |
713 |
}; |
714 |
|
715 |
static struct clk core_gpt2_clk = { |
716 |
.name = "core_gpt2_clk",
|
717 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
718 |
.parent = &sys_clk, |
719 |
}; |
720 |
|
721 |
static struct clk core_gpt3_clk = { |
722 |
.name = "core_gpt3_clk",
|
723 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
724 |
.parent = &sys_clk, |
725 |
}; |
726 |
|
727 |
static struct clk core_gpt4_clk = { |
728 |
.name = "core_gpt4_clk",
|
729 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
730 |
.parent = &sys_clk, |
731 |
}; |
732 |
|
733 |
static struct clk core_gpt5_clk = { |
734 |
.name = "core_gpt5_clk",
|
735 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
736 |
.parent = &sys_clk, |
737 |
}; |
738 |
|
739 |
static struct clk core_gpt6_clk = { |
740 |
.name = "core_gpt6_clk",
|
741 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
742 |
.parent = &sys_clk, |
743 |
}; |
744 |
|
745 |
static struct clk core_gpt7_clk = { |
746 |
.name = "core_gpt7_clk",
|
747 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
748 |
.parent = &sys_clk, |
749 |
}; |
750 |
|
751 |
static struct clk core_gpt8_clk = { |
752 |
.name = "core_gpt8_clk",
|
753 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
754 |
.parent = &sys_clk, |
755 |
}; |
756 |
|
757 |
static struct clk core_gpt9_clk = { |
758 |
.name = "core_gpt9_clk",
|
759 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
760 |
.parent = &sys_clk, |
761 |
}; |
762 |
|
763 |
static struct clk core_gpt10_clk = { |
764 |
.name = "core_gpt10_clk",
|
765 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
766 |
.parent = &sys_clk, |
767 |
}; |
768 |
|
769 |
static struct clk core_gpt11_clk = { |
770 |
.name = "core_gpt11_clk",
|
771 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
772 |
.parent = &sys_clk, |
773 |
}; |
774 |
|
775 |
static struct clk core_gpt12_clk = { |
776 |
.name = "core_gpt12_clk",
|
777 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
778 |
.parent = &sys_clk, |
779 |
}; |
780 |
|
781 |
static struct clk mcbsp1_clk = { |
782 |
.name = "mcbsp1_cg",
|
783 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
784 |
.divisor = 2,
|
785 |
.parent = &func_96m_clk, |
786 |
}; |
787 |
|
788 |
static struct clk mcbsp2_clk = { |
789 |
.name = "mcbsp2_cg",
|
790 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
791 |
.divisor = 2,
|
792 |
.parent = &func_96m_clk, |
793 |
}; |
794 |
|
795 |
static struct clk emul_clk = { |
796 |
.name = "emul_ck",
|
797 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
798 |
.parent = &func_54m_clk, |
799 |
}; |
800 |
|
801 |
static struct clk sdma_fclk = { |
802 |
.name = "sdma_fclk",
|
803 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
804 |
.parent = &l3_clk, |
805 |
}; |
806 |
|
807 |
static struct clk sdma_iclk = { |
808 |
.name = "sdma_iclk",
|
809 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
810 |
.parent = &core_l3_iclk, /* core_l4_iclk for the configuration port */
|
811 |
}; |
812 |
|
813 |
static struct clk i2c1_fclk = { |
814 |
.name = "i2c1.fclk",
|
815 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
816 |
.parent = &func_12m_clk, |
817 |
.divisor = 1,
|
818 |
}; |
819 |
|
820 |
static struct clk i2c1_iclk = { |
821 |
.name = "i2c1.iclk",
|
822 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
823 |
.parent = &core_l4_iclk, |
824 |
}; |
825 |
|
826 |
static struct clk i2c2_fclk = { |
827 |
.name = "i2c2.fclk",
|
828 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
829 |
.parent = &func_12m_clk, |
830 |
.divisor = 1,
|
831 |
}; |
832 |
|
833 |
static struct clk i2c2_iclk = { |
834 |
.name = "i2c2.iclk",
|
835 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
836 |
.parent = &core_l4_iclk, |
837 |
}; |
838 |
|
839 |
static struct clk gpio_dbclk[4] = { |
840 |
{ |
841 |
.name = "gpio1_dbclk",
|
842 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
843 |
.parent = &wu_32k_clk, |
844 |
}, { |
845 |
.name = "gpio2_dbclk",
|
846 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
847 |
.parent = &wu_32k_clk, |
848 |
}, { |
849 |
.name = "gpio3_dbclk",
|
850 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
851 |
.parent = &wu_32k_clk, |
852 |
}, { |
853 |
.name = "gpio4_dbclk",
|
854 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
855 |
.parent = &wu_32k_clk, |
856 |
}, |
857 |
}; |
858 |
|
859 |
static struct clk gpio_iclk = { |
860 |
.name = "gpio_iclk",
|
861 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
862 |
.parent = &wu_l4_iclk, |
863 |
}; |
864 |
|
865 |
static struct clk mmc_fck = { |
866 |
.name = "mmc_fclk",
|
867 |
.flags = CLOCK_IN_OMAP242X, |
868 |
.parent = &func_96m_clk, |
869 |
}; |
870 |
|
871 |
static struct clk mmc_ick = { |
872 |
.name = "mmc_iclk",
|
873 |
.flags = CLOCK_IN_OMAP242X, |
874 |
.parent = &core_l4_iclk, |
875 |
}; |
876 |
|
877 |
static struct clk spi_fclk[3] = { |
878 |
{ |
879 |
.name = "spi1_fclk",
|
880 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
881 |
.parent = &func_48m_clk, |
882 |
}, { |
883 |
.name = "spi2_fclk",
|
884 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
885 |
.parent = &func_48m_clk, |
886 |
}, { |
887 |
.name = "spi3_fclk",
|
888 |
.flags = CLOCK_IN_OMAP243X, |
889 |
.parent = &func_48m_clk, |
890 |
}, |
891 |
}; |
892 |
|
893 |
static struct clk dss_clk[2] = { |
894 |
{ |
895 |
.name = "dss_clk1",
|
896 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
897 |
.parent = &core_clk, |
898 |
}, { |
899 |
.name = "dss_clk2",
|
900 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
901 |
.parent = &sys_clk, |
902 |
}, |
903 |
}; |
904 |
|
905 |
static struct clk dss_54m_clk = { |
906 |
.name = "dss_54m_clk",
|
907 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
908 |
.parent = &func_54m_clk, |
909 |
}; |
910 |
|
911 |
static struct clk dss_l3_iclk = { |
912 |
.name = "dss_l3_iclk",
|
913 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
914 |
.parent = &core_l3_iclk, |
915 |
}; |
916 |
|
917 |
static struct clk dss_l4_iclk = { |
918 |
.name = "dss_l4_iclk",
|
919 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
920 |
.parent = &core_l4_iclk, |
921 |
}; |
922 |
|
923 |
static struct clk spi_iclk[3] = { |
924 |
{ |
925 |
.name = "spi1_iclk",
|
926 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
927 |
.parent = &core_l4_iclk, |
928 |
}, { |
929 |
.name = "spi2_iclk",
|
930 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
931 |
.parent = &core_l4_iclk, |
932 |
}, { |
933 |
.name = "spi3_iclk",
|
934 |
.flags = CLOCK_IN_OMAP243X, |
935 |
.parent = &core_l4_iclk, |
936 |
}, |
937 |
}; |
938 |
|
939 |
static struct clk omapctrl_clk = { |
940 |
.name = "omapctrl_iclk",
|
941 |
.flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, |
942 |
/* XXX Should be in WKUP domain */
|
943 |
.parent = &core_l4_iclk, |
944 |
}; |
945 |
|
946 |
static struct clk *onchip_clks[] = { |
947 |
/* OMAP 1 */
|
948 |
|
949 |
/* non-ULPD clocks */
|
950 |
&xtal_osc12m, |
951 |
&xtal_osc32k, |
952 |
&ck_ref, |
953 |
&dpll1, |
954 |
&dpll2, |
955 |
&dpll3, |
956 |
&dpll4, |
957 |
&apll, |
958 |
&ck_48m, |
959 |
/* CK_GEN1 clocks */
|
960 |
&clkm1, |
961 |
&ck_dpll1out, |
962 |
&sossi_ck, |
963 |
&arm_ck, |
964 |
&armper_ck, |
965 |
&arm_gpio_ck, |
966 |
&armxor_ck, |
967 |
&armtim_ck, |
968 |
&armwdt_ck, |
969 |
&arminth_ck15xx, &arminth_ck16xx, |
970 |
/* CK_GEN2 clocks */
|
971 |
&clkm2, |
972 |
&dsp_ck, |
973 |
&dspmmu_ck, |
974 |
&dspper_ck, |
975 |
&dspxor_ck, |
976 |
&dsptim_ck, |
977 |
/* CK_GEN3 clocks */
|
978 |
&clkm3, |
979 |
&tc_ck, |
980 |
&tipb_ck, |
981 |
&l3_ocpi_ck, |
982 |
&tc1_ck, |
983 |
&tc2_ck, |
984 |
&dma_ck, |
985 |
&dma_lcdfree_ck, |
986 |
&api_ck, |
987 |
&lb_ck, |
988 |
&lbfree_ck, |
989 |
&hsab_ck, |
990 |
&rhea1_ck, |
991 |
&rhea2_ck, |
992 |
&lcd_ck_16xx, |
993 |
&lcd_ck_1510, |
994 |
/* ULPD clocks */
|
995 |
&uart1_1510, |
996 |
&uart1_16xx, |
997 |
&uart2_ck, |
998 |
&uart3_1510, |
999 |
&uart3_16xx, |
1000 |
&usb_clk0, |
1001 |
&usb_hhc_ck1510, &usb_hhc_ck16xx, |
1002 |
&mclk_1510, &mclk_16xx, &mclk_310, |
1003 |
&bclk_1510, &bclk_16xx, &bclk_310, |
1004 |
&mmc1_ck, |
1005 |
&mmc2_ck, |
1006 |
&cam_mclk, |
1007 |
&cam_exclk, |
1008 |
&cam_lclk, |
1009 |
&clk32k, |
1010 |
&usb_w2fc_mclk, |
1011 |
/* Virtual clocks */
|
1012 |
&i2c_fck, |
1013 |
&i2c_ick, |
1014 |
|
1015 |
/* OMAP 2 */
|
1016 |
|
1017 |
&ref_clk, |
1018 |
&apll_96m, |
1019 |
&apll_54m, |
1020 |
&sys_clk, |
1021 |
&sleep_clk, |
1022 |
&dpll_ck, |
1023 |
&dpll_x2_ck, |
1024 |
&wdt1_sys_clk, |
1025 |
&func_96m_clk, |
1026 |
&func_48m_clk, |
1027 |
&func_12m_clk, |
1028 |
&func_54m_clk, |
1029 |
&sys_clkout, |
1030 |
&sys_clkout2, |
1031 |
&core_clk, |
1032 |
&l3_clk, |
1033 |
&core_l4_iclk, |
1034 |
&wu_l4_iclk, |
1035 |
&core_l3_iclk, |
1036 |
&core_l4_usb_clk, |
1037 |
&wu_gpt1_clk, |
1038 |
&wu_32k_clk, |
1039 |
&uart1_fclk, |
1040 |
&uart1_iclk, |
1041 |
&uart2_fclk, |
1042 |
&uart2_iclk, |
1043 |
&uart3_fclk, |
1044 |
&uart3_iclk, |
1045 |
&mpu_fclk, |
1046 |
&mpu_iclk, |
1047 |
&int_m_fclk, |
1048 |
&int_m_iclk, |
1049 |
&core_gpt2_clk, |
1050 |
&core_gpt3_clk, |
1051 |
&core_gpt4_clk, |
1052 |
&core_gpt5_clk, |
1053 |
&core_gpt6_clk, |
1054 |
&core_gpt7_clk, |
1055 |
&core_gpt8_clk, |
1056 |
&core_gpt9_clk, |
1057 |
&core_gpt10_clk, |
1058 |
&core_gpt11_clk, |
1059 |
&core_gpt12_clk, |
1060 |
&mcbsp1_clk, |
1061 |
&mcbsp2_clk, |
1062 |
&emul_clk, |
1063 |
&sdma_fclk, |
1064 |
&sdma_iclk, |
1065 |
&i2c1_fclk, |
1066 |
&i2c1_iclk, |
1067 |
&i2c2_fclk, |
1068 |
&i2c2_iclk, |
1069 |
&gpio_dbclk[0],
|
1070 |
&gpio_dbclk[1],
|
1071 |
&gpio_dbclk[2],
|
1072 |
&gpio_dbclk[3],
|
1073 |
&gpio_iclk, |
1074 |
&mmc_fck, |
1075 |
&mmc_ick, |
1076 |
&spi_fclk[0],
|
1077 |
&spi_iclk[0],
|
1078 |
&spi_fclk[1],
|
1079 |
&spi_iclk[1],
|
1080 |
&spi_fclk[2],
|
1081 |
&spi_iclk[2],
|
1082 |
&dss_clk[0],
|
1083 |
&dss_clk[1],
|
1084 |
&dss_54m_clk, |
1085 |
&dss_l3_iclk, |
1086 |
&dss_l4_iclk, |
1087 |
&omapctrl_clk, |
1088 |
|
1089 |
NULL
|
1090 |
}; |
1091 |
|
1092 |
void omap_clk_adduser(struct clk *clk, qemu_irq user) |
1093 |
{ |
1094 |
qemu_irq *i; |
1095 |
|
1096 |
for (i = clk->users; *i; i ++);
|
1097 |
*i = user; |
1098 |
} |
1099 |
|
1100 |
struct clk *omap_findclk(struct omap_mpu_state_s *mpu, const char *name) |
1101 |
{ |
1102 |
struct clk *i;
|
1103 |
|
1104 |
for (i = mpu->clks; i->name; i ++)
|
1105 |
if (!strcmp(i->name, name) || (i->alias && !strcmp(i->alias, name)))
|
1106 |
return i;
|
1107 |
hw_error("%s: %s not found\n", __FUNCTION__, name);
|
1108 |
} |
1109 |
|
1110 |
void omap_clk_get(struct clk *clk) |
1111 |
{ |
1112 |
clk->usecount ++; |
1113 |
} |
1114 |
|
1115 |
void omap_clk_put(struct clk *clk) |
1116 |
{ |
1117 |
if (!(clk->usecount --))
|
1118 |
hw_error("%s: %s is not in use\n", __FUNCTION__, clk->name);
|
1119 |
} |
1120 |
|
1121 |
static void omap_clk_update(struct clk *clk) |
1122 |
{ |
1123 |
int parent, running;
|
1124 |
qemu_irq *user; |
1125 |
struct clk *i;
|
1126 |
|
1127 |
if (clk->parent)
|
1128 |
parent = clk->parent->running; |
1129 |
else
|
1130 |
parent = 1;
|
1131 |
|
1132 |
running = parent && (clk->enabled || |
1133 |
((clk->flags & ALWAYS_ENABLED) && clk->usecount)); |
1134 |
if (clk->running != running) {
|
1135 |
clk->running = running; |
1136 |
for (user = clk->users; *user; user ++)
|
1137 |
qemu_set_irq(*user, running); |
1138 |
for (i = clk->child1; i; i = i->sibling)
|
1139 |
omap_clk_update(i); |
1140 |
} |
1141 |
} |
1142 |
|
1143 |
static void omap_clk_rate_update_full(struct clk *clk, unsigned long int rate, |
1144 |
unsigned long int div, unsigned long int mult) |
1145 |
{ |
1146 |
struct clk *i;
|
1147 |
qemu_irq *user; |
1148 |
|
1149 |
clk->rate = muldiv64(rate, mult, div); |
1150 |
if (clk->running)
|
1151 |
for (user = clk->users; *user; user ++)
|
1152 |
qemu_irq_raise(*user); |
1153 |
for (i = clk->child1; i; i = i->sibling)
|
1154 |
omap_clk_rate_update_full(i, rate, |
1155 |
div * i->divisor, mult * i->multiplier); |
1156 |
} |
1157 |
|
1158 |
static void omap_clk_rate_update(struct clk *clk) |
1159 |
{ |
1160 |
struct clk *i;
|
1161 |
unsigned long int div, mult = div = 1; |
1162 |
|
1163 |
for (i = clk; i->parent; i = i->parent) {
|
1164 |
div *= i->divisor; |
1165 |
mult *= i->multiplier; |
1166 |
} |
1167 |
|
1168 |
omap_clk_rate_update_full(clk, i->rate, div, mult); |
1169 |
} |
1170 |
|
1171 |
void omap_clk_reparent(struct clk *clk, struct clk *parent) |
1172 |
{ |
1173 |
struct clk **p;
|
1174 |
|
1175 |
if (clk->parent) {
|
1176 |
for (p = &clk->parent->child1; *p != clk; p = &(*p)->sibling);
|
1177 |
*p = clk->sibling; |
1178 |
} |
1179 |
|
1180 |
clk->parent = parent; |
1181 |
if (parent) {
|
1182 |
clk->sibling = parent->child1; |
1183 |
parent->child1 = clk; |
1184 |
omap_clk_update(clk); |
1185 |
omap_clk_rate_update(clk); |
1186 |
} else
|
1187 |
clk->sibling = NULL;
|
1188 |
} |
1189 |
|
1190 |
void omap_clk_onoff(struct clk *clk, int on) |
1191 |
{ |
1192 |
clk->enabled = on; |
1193 |
omap_clk_update(clk); |
1194 |
} |
1195 |
|
1196 |
void omap_clk_canidle(struct clk *clk, int can) |
1197 |
{ |
1198 |
if (can)
|
1199 |
omap_clk_put(clk); |
1200 |
else
|
1201 |
omap_clk_get(clk); |
1202 |
} |
1203 |
|
1204 |
void omap_clk_setrate(struct clk *clk, int divide, int multiply) |
1205 |
{ |
1206 |
clk->divisor = divide; |
1207 |
clk->multiplier = multiply; |
1208 |
omap_clk_rate_update(clk); |
1209 |
} |
1210 |
|
1211 |
int64_t omap_clk_getrate(omap_clk clk) |
1212 |
{ |
1213 |
return clk->rate;
|
1214 |
} |
1215 |
|
1216 |
void omap_clk_init(struct omap_mpu_state_s *mpu) |
1217 |
{ |
1218 |
struct clk **i, *j, *k;
|
1219 |
int count;
|
1220 |
int flag;
|
1221 |
|
1222 |
if (cpu_is_omap310(mpu))
|
1223 |
flag = CLOCK_IN_OMAP310; |
1224 |
else if (cpu_is_omap1510(mpu)) |
1225 |
flag = CLOCK_IN_OMAP1510; |
1226 |
else if (cpu_is_omap2410(mpu) || cpu_is_omap2420(mpu)) |
1227 |
flag = CLOCK_IN_OMAP242X; |
1228 |
else if (cpu_is_omap2430(mpu)) |
1229 |
flag = CLOCK_IN_OMAP243X; |
1230 |
else if (cpu_is_omap3430(mpu)) |
1231 |
flag = CLOCK_IN_OMAP243X; |
1232 |
else
|
1233 |
return;
|
1234 |
|
1235 |
for (i = onchip_clks, count = 0; *i; i ++) |
1236 |
if ((*i)->flags & flag)
|
1237 |
count ++; |
1238 |
mpu->clks = (struct clk *) qemu_mallocz(sizeof(struct clk) * (count + 1)); |
1239 |
for (i = onchip_clks, j = mpu->clks; *i; i ++)
|
1240 |
if ((*i)->flags & flag) {
|
1241 |
memcpy(j, *i, sizeof(struct clk)); |
1242 |
for (k = mpu->clks; k < j; k ++)
|
1243 |
if (j->parent && !strcmp(j->parent->name, k->name)) {
|
1244 |
j->parent = k; |
1245 |
j->sibling = k->child1; |
1246 |
k->child1 = j; |
1247 |
} else if (k->parent && !strcmp(k->parent->name, j->name)) { |
1248 |
k->parent = j; |
1249 |
k->sibling = j->child1; |
1250 |
j->child1 = k; |
1251 |
} |
1252 |
j->divisor = j->divisor ?: 1;
|
1253 |
j->multiplier = j->multiplier ?: 1;
|
1254 |
j ++; |
1255 |
} |
1256 |
for (j = mpu->clks; count --; j ++) {
|
1257 |
omap_clk_update(j); |
1258 |
omap_clk_rate_update(j); |
1259 |
} |
1260 |
} |