/* * OMAP clocks. * * Copyright (C) 2006-2008 Andrzej Zaborowski <balrog@zabor.org> * * Clocks data comes in part from arch/arm/mach-omap1/clock.h in Linux. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include "hw.h" #include "omap.h" struct clk { const char *name; const char *alias; struct clk *parent; struct clk *child1; struct clk *sibling; #define ALWAYS_ENABLED (1 << 0) #define CLOCK_IN_OMAP310 (1 << 10) #define CLOCK_IN_OMAP730 (1 << 11) #define CLOCK_IN_OMAP1510 (1 << 12) #define CLOCK_IN_OMAP16XX (1 << 13) #define CLOCK_IN_OMAP242X (1 << 14) #define CLOCK_IN_OMAP243X (1 << 15) #define CLOCK_IN_OMAP343X (1 << 16) uint32_t flags; int id; int running; /* Is currently ticking */ int enabled; /* Is enabled, regardless of its input clk */ unsigned long rate; /* Current rate (if .running) */ unsigned int divisor; /* Rate relative to input (if .enabled) */ unsigned int multiplier; /* Rate relative to input (if .enabled) */ qemu_irq users[16]; /* Who to notify on change */ int usecount; /* Automatically idle when unused */ }; static struct clk xtal_osc12m = { .name = "xtal_osc_12m", .rate = 12000000, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, }; static struct clk xtal_osc32k = { .name = "xtal_osc_32k", .rate = 32768, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, }; static struct clk ck_ref = { .name = "ck_ref", .alias = "clkin", .parent = &xtal_osc12m, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, }; /* If a dpll is disabled it becomes a bypass, child clocks don't stop */ static struct clk dpll1 = { .name = "dpll1", .parent = &ck_ref, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, }; static struct clk dpll2 = { .name = "dpll2", .parent = &ck_ref, .flags = CLOCK_IN_OMAP310 | ALWAYS_ENABLED, }; static struct clk dpll3 = { .name = "dpll3", .parent = &ck_ref, .flags = CLOCK_IN_OMAP310 | ALWAYS_ENABLED, }; static struct clk dpll4 = { .name = "dpll4", .parent = &ck_ref, .multiplier = 4, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, }; static struct clk apll = { .name = "apll", .parent = &ck_ref, .multiplier = 48, .divisor = 12, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, }; static struct clk ck_48m = { .name = "ck_48m", .parent = &dpll4, /* either dpll4 or apll */ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, }; static struct clk ck_dpll1out = { .name = "ck_dpll1out", .parent = &dpll1, .flags = CLOCK_IN_OMAP16XX, }; static struct clk sossi_ck = { .name = "ck_sossi", .parent = &ck_dpll1out, .flags = CLOCK_IN_OMAP16XX, }; static struct clk clkm1 = { .name = "clkm1", .alias = "ck_gen1", .parent = &dpll1, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, }; static struct clk clkm2 = { .name = "clkm2", .alias = "ck_gen2", .parent = &dpll1, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, }; static struct clk clkm3 = { .name = "clkm3", .alias = "ck_gen3", .parent = &dpll1, /* either dpll1 or ck_ref */ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, }; static struct clk arm_ck = { .name = "arm_ck", .alias = "mpu_ck", .parent = &clkm1, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, }; static struct clk armper_ck = { .name = "armper_ck", .alias = "mpuper_ck", .parent = &clkm1, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, }; static struct clk arm_gpio_ck = { .name = "arm_gpio_ck", .alias = "mpu_gpio_ck", .parent = &clkm1, .divisor = 1, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310, }; static struct clk armxor_ck = { .name = "armxor_ck", .alias = "mpuxor_ck", .parent = &ck_ref, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, }; static struct clk armtim_ck = { .name = "armtim_ck", .alias = "mputim_ck", .parent = &ck_ref, /* either CLKIN or DPLL1 */ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, }; static struct clk armwdt_ck = { .name = "armwdt_ck", .alias = "mpuwd_ck", .parent = &clkm1, .divisor = 14, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, }; static struct clk arminth_ck16xx = { .name = "arminth_ck", .parent = &arm_ck, .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, /* Note: On 16xx the frequency can be divided by 2 by programming * ARM_CKCTL:ARM_INTHCK_SEL(14) to 1 * * 1510 version is in TC clocks. */ }; static struct clk dsp_ck = { .name = "dsp_ck", .parent = &clkm2, .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX, }; static struct clk dspmmu_ck = { .name = "dspmmu_ck", .parent = &clkm2, .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, }; static struct clk dspper_ck = { .name = "dspper_ck", .parent = &clkm2, .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX, }; static struct clk dspxor_ck = { .name = "dspxor_ck", .parent = &ck_ref, .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX, }; static struct clk dsptim_ck = { .name = "dsptim_ck", .parent = &ck_ref, .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX, }; static struct clk tc_ck = { .name = "tc_ck", .parent = &clkm3, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP730 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, }; static struct clk arminth_ck15xx = { .name = "arminth_ck", .parent = &tc_ck, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, /* Note: On 1510 the frequency follows TC_CK * * 16xx version is in MPU clocks. */ }; static struct clk tipb_ck = { /* No-idle controlled by "tc_ck" */ .name = "tipb_ck", .parent = &tc_ck, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, }; static struct clk l3_ocpi_ck = { /* No-idle controlled by "tc_ck" */ .name = "l3_ocpi_ck", .parent = &tc_ck, .flags = CLOCK_IN_OMAP16XX, }; static struct clk tc1_ck = { .name = "tc1_ck", .parent = &tc_ck, .flags = CLOCK_IN_OMAP16XX, }; static struct clk tc2_ck = { .name = "tc2_ck", .parent = &tc_ck, .flags = CLOCK_IN_OMAP16XX, }; static struct clk dma_ck = { /* No-idle controlled by "tc_ck" */ .name = "dma_ck", .parent = &tc_ck, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, }; static struct clk dma_lcdfree_ck = { .name = "dma_lcdfree_ck", .parent = &tc_ck, .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, }; static struct clk api_ck = { .name = "api_ck", .alias = "mpui_ck", .parent = &tc_ck, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, }; static struct clk lb_ck = { .name = "lb_ck", .parent = &tc_ck, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310, }; static struct clk lbfree_ck = { .name = "lbfree_ck", .parent = &tc_ck, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310, }; static struct clk hsab_ck = { .name = "hsab_ck", .parent = &tc_ck, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310, }; static struct clk rhea1_ck = { .name = "rhea1_ck", .parent = &tc_ck, .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, }; static struct clk rhea2_ck = { .name = "rhea2_ck", .parent = &tc_ck, .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, }; static struct clk lcd_ck_16xx = { .name = "lcd_ck", .parent = &clkm3, .flags = CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP730, }; static struct clk lcd_ck_1510 = { .name = "lcd_ck", .parent = &clkm3, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310, }; static struct clk uart1_1510 = { .name = "uart1_ck", /* Direct from ULPD, no real parent */ .parent = &armper_ck, /* either armper_ck or dpll4 */ .rate = 12000000, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, }; static struct clk uart1_16xx = { .name = "uart1_ck", /* Direct from ULPD, no real parent */ .parent = &armper_ck, .rate = 48000000, .flags = CLOCK_IN_OMAP16XX, }; static struct clk uart2_ck = { .name = "uart2_ck", /* Direct from ULPD, no real parent */ .parent = &armper_ck, /* either armper_ck or dpll4 */ .rate = 12000000, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, }; static struct clk uart3_1510 = { .name = "uart3_ck", /* Direct from ULPD, no real parent */ .parent = &armper_ck, /* either armper_ck or dpll4 */ .rate = 12000000, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, }; static struct clk uart3_16xx = { .name = "uart3_ck", /* Direct from ULPD, no real parent */ .parent = &armper_ck, .rate = 48000000, .flags = CLOCK_IN_OMAP16XX, }; static struct clk usb_clk0 = { /* 6 MHz output on W4_USB_CLK0 */ .name = "usb_clk0", .alias = "usb.clko", /* Direct from ULPD, no parent */ .rate = 6000000, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, }; static struct clk usb_hhc_ck1510 = { .name = "usb_hhc_ck", /* Direct from ULPD, no parent */ .rate = 48000000, /* Actually 2 clocks, 12MHz and 48MHz */ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310, }; static struct clk usb_hhc_ck16xx = { .name = "usb_hhc_ck", /* Direct from ULPD, no parent */ .rate = 48000000, /* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */ .flags = CLOCK_IN_OMAP16XX, }; static struct clk usb_w2fc_mclk = { .name = "usb_w2fc_mclk", .alias = "usb_w2fc_ck", .parent = &ck_48m, .rate = 48000000, .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX, }; static struct clk mclk_1510 = { .name = "mclk", /* Direct from ULPD, no parent. May be enabled by ext hardware. */ .rate = 12000000, .flags = CLOCK_IN_OMAP1510, }; static struct clk bclk_310 = { .name = "bt_mclk_out", /* Alias midi_mclk_out? */ .parent = &armper_ck, .flags = CLOCK_IN_OMAP310, }; static struct clk mclk_310 = { .name = "com_mclk_out", .parent = &armper_ck, .flags = CLOCK_IN_OMAP310, }; static struct clk mclk_16xx = { .name = "mclk", /* Direct from ULPD, no parent. May be enabled by ext hardware. */ .flags = CLOCK_IN_OMAP16XX, }; static struct clk bclk_1510 = { .name = "bclk", /* Direct from ULPD, no parent. May be enabled by ext hardware. */ .rate = 12000000, .flags = CLOCK_IN_OMAP1510, }; static struct clk bclk_16xx = { .name = "bclk", /* Direct from ULPD, no parent. May be enabled by ext hardware. */ .flags = CLOCK_IN_OMAP16XX, }; static struct clk mmc1_ck = { .name = "mmc_ck", .id = 1, /* Functional clock is direct from ULPD, interface clock is ARMPER */ .parent = &armper_ck, /* either armper_ck or dpll4 */ .rate = 48000000, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310, }; static struct clk mmc2_ck = { .name = "mmc_ck", .id = 2, /* Functional clock is direct from ULPD, interface clock is ARMPER */ .parent = &armper_ck, .rate = 48000000, .flags = CLOCK_IN_OMAP16XX, }; static struct clk cam_mclk = { .name = "cam.mclk", .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX, .rate = 12000000, }; static struct clk cam_exclk = { .name = "cam.exclk", .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX, /* Either 12M from cam.mclk or 48M from dpll4 */ .parent = &cam_mclk, }; static struct clk cam_lclk = { .name = "cam.lclk", .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX, }; static struct clk i2c_fck = { .name = "i2c_fck", .id = 1, .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, .parent = &armxor_ck, }; static struct clk i2c_ick = { .name = "i2c_ick", .id = 1, .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, .parent = &armper_ck, }; static struct clk clk32k = { .name = "clk32-kHz", .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, .parent = &xtal_osc32k, }; static struct clk ref_clk = { .name = "ref_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, .rate = 12000000, /* 12 MHz or 13 MHz or 19.2 MHz */ /*.parent = sys.xtalin */ }; static struct clk apll_96m = { .name = "apll_96m", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, .rate = 96000000, /*.parent = ref_clk */ }; static struct clk apll_54m = { .name = "apll_54m", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, .rate = 54000000, /*.parent = ref_clk */ }; static struct clk sys_clk = { .name = "sys_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, .rate = 32768, /*.parent = sys.xtalin */ }; static struct clk sleep_clk = { .name = "sleep_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, .rate = 32768, /*.parent = sys.xtalin */ }; static struct clk dpll_ck = { .name = "dpll", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, .parent = &ref_clk, }; static struct clk dpll_x2_ck = { .name = "dpll_x2", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, .parent = &ref_clk, }; static struct clk wdt1_sys_clk = { .name = "wdt1_sys_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | ALWAYS_ENABLED, .rate = 32768, /*.parent = sys.xtalin */ }; static struct clk func_96m_clk = { .name = "func_96m_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .divisor = 1, .parent = &apll_96m, }; static struct clk func_48m_clk = { .name = "func_48m_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .divisor = 2, .parent = &apll_96m, }; static struct clk func_12m_clk = { .name = "func_12m_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .divisor = 8, .parent = &apll_96m, }; static struct clk func_54m_clk = { .name = "func_54m_clk", .flags = CLOCK_IN_OMAP242X, .divisor = 1, .parent = &apll_54m, }; static struct clk sys_clkout = { .name = "clkout", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &sys_clk, }; static struct clk sys_clkout2 = { .name = "clkout2", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &sys_clk, }; static struct clk core_clk = { .name = "core_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &dpll_x2_ck, /* Switchable between dpll_ck and clk32k */ }; static struct clk l3_clk = { .name = "l3_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_clk, }; static struct clk core_l4_iclk = { .name = "core_l4_iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &l3_clk, }; static struct clk wu_l4_iclk = { .name = "wu_l4_iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &l3_clk, }; static struct clk core_l3_iclk = { .name = "core_l3_iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_clk, }; static struct clk core_l4_usb_clk = { .name = "core_l4_usb_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &l3_clk, }; static struct clk wu_gpt1_clk = { .name = "wu_gpt1_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &sys_clk, }; static struct clk wu_32k_clk = { .name = "wu_32k_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &sys_clk, }; static struct clk uart1_fclk = { .name = "uart1_fclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &func_48m_clk, }; static struct clk uart1_iclk = { .name = "uart1_iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_l4_iclk, }; static struct clk uart2_fclk = { .name = "uart2_fclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &func_48m_clk, }; static struct clk uart2_iclk = { .name = "uart2_iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_l4_iclk, }; static struct clk uart3_fclk = { .name = "uart3_fclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &func_48m_clk, }; static struct clk uart3_iclk = { .name = "uart3_iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_l4_iclk, }; static struct clk mpu_fclk = { .name = "mpu_fclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_clk, }; static struct clk mpu_iclk = { .name = "mpu_iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_clk, }; static struct clk int_m_fclk = { .name = "int_m_fclk", .alias = "mpu_intc_fclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_clk, }; static struct clk int_m_iclk = { .name = "int_m_iclk", .alias = "mpu_intc_iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_clk, }; static struct clk core_gpt2_clk = { .name = "core_gpt2_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &sys_clk, }; static struct clk core_gpt3_clk = { .name = "core_gpt3_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &sys_clk, }; static struct clk core_gpt4_clk = { .name = "core_gpt4_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &sys_clk, }; static struct clk core_gpt5_clk = { .name = "core_gpt5_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &sys_clk, }; static struct clk core_gpt6_clk = { .name = "core_gpt6_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &sys_clk, }; static struct clk core_gpt7_clk = { .name = "core_gpt7_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &sys_clk, }; static struct clk core_gpt8_clk = { .name = "core_gpt8_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &sys_clk, }; static struct clk core_gpt9_clk = { .name = "core_gpt9_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &sys_clk, }; static struct clk core_gpt10_clk = { .name = "core_gpt10_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &sys_clk, }; static struct clk core_gpt11_clk = { .name = "core_gpt11_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &sys_clk, }; static struct clk core_gpt12_clk = { .name = "core_gpt12_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &sys_clk, }; static struct clk mcbsp1_clk = { .name = "mcbsp1_cg", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .divisor = 2, .parent = &func_96m_clk, }; static struct clk mcbsp2_clk = { .name = "mcbsp2_cg", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .divisor = 2, .parent = &func_96m_clk, }; static struct clk emul_clk = { .name = "emul_ck", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &func_54m_clk, }; static struct clk sdma_fclk = { .name = "sdma_fclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &l3_clk, }; static struct clk sdma_iclk = { .name = "sdma_iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_l3_iclk, /* core_l4_iclk for the configuration port */ }; static struct clk i2c1_fclk = { .name = "i2c1.fclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &func_12m_clk, .divisor = 1, }; static struct clk i2c1_iclk = { .name = "i2c1.iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_l4_iclk, }; static struct clk i2c2_fclk = { .name = "i2c2.fclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &func_12m_clk, .divisor = 1, }; static struct clk i2c2_iclk = { .name = "i2c2.iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_l4_iclk, }; static struct clk gpio_dbclk[4] = { { .name = "gpio1_dbclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &wu_32k_clk, }, { .name = "gpio2_dbclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &wu_32k_clk, }, { .name = "gpio3_dbclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &wu_32k_clk, }, { .name = "gpio4_dbclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &wu_32k_clk, }, }; static struct clk gpio_iclk = { .name = "gpio_iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &wu_l4_iclk, }; static struct clk mmc_fck = { .name = "mmc_fclk", .flags = CLOCK_IN_OMAP242X, .parent = &func_96m_clk, }; static struct clk mmc_ick = { .name = "mmc_iclk", .flags = CLOCK_IN_OMAP242X, .parent = &core_l4_iclk, }; static struct clk spi_fclk[3] = { { .name = "spi1_fclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &func_48m_clk, }, { .name = "spi2_fclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &func_48m_clk, }, { .name = "spi3_fclk", .flags = CLOCK_IN_OMAP243X, .parent = &func_48m_clk, }, }; static struct clk dss_clk[2] = { { .name = "dss_clk1", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_clk, }, { .name = "dss_clk2", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &sys_clk, }, }; static struct clk dss_54m_clk = { .name = "dss_54m_clk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &func_54m_clk, }; static struct clk dss_l3_iclk = { .name = "dss_l3_iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_l3_iclk, }; static struct clk dss_l4_iclk = { .name = "dss_l4_iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_l4_iclk, }; static struct clk spi_iclk[3] = { { .name = "spi1_iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_l4_iclk, }, { .name = "spi2_iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, .parent = &core_l4_iclk, }, { .name = "spi3_iclk", .flags = CLOCK_IN_OMAP243X, .parent = &core_l4_iclk, }, }; static struct clk omapctrl_clk = { .name = "omapctrl_iclk", .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X, /* XXX Should be in WKUP domain */ .parent = &core_l4_iclk, }; static struct clk *onchip_clks[] = { /* OMAP 1 */ /* non-ULPD clocks */ &xtal_osc12m, &xtal_osc32k, &ck_ref, &dpll1, &dpll2, &dpll3, &dpll4, &apll, &ck_48m, /* CK_GEN1 clocks */ &clkm1, &ck_dpll1out, &sossi_ck, &arm_ck, &armper_ck, &arm_gpio_ck, &armxor_ck, &armtim_ck, &armwdt_ck, &arminth_ck15xx, &arminth_ck16xx, /* CK_GEN2 clocks */ &clkm2, &dsp_ck, &dspmmu_ck, &dspper_ck, &dspxor_ck, &dsptim_ck, /* CK_GEN3 clocks */ &clkm3, &tc_ck, &tipb_ck, &l3_ocpi_ck, &tc1_ck, &tc2_ck, &dma_ck, &dma_lcdfree_ck, &api_ck, &lb_ck, &lbfree_ck, &hsab_ck, &rhea1_ck, &rhea2_ck, &lcd_ck_16xx, &lcd_ck_1510, /* ULPD clocks */ &uart1_1510, &uart1_16xx, &uart2_ck, &uart3_1510, &uart3_16xx, &usb_clk0, &usb_hhc_ck1510, &usb_hhc_ck16xx, &mclk_1510, &mclk_16xx, &mclk_310, &bclk_1510, &bclk_16xx, &bclk_310, &mmc1_ck, &mmc2_ck, &cam_mclk, &cam_exclk, &cam_lclk, &clk32k, &usb_w2fc_mclk, /* Virtual clocks */ &i2c_fck, &i2c_ick, /* OMAP 2 */ &ref_clk, &apll_96m, &apll_54m, &sys_clk, &sleep_clk, &dpll_ck, &dpll_x2_ck, &wdt1_sys_clk, &func_96m_clk, &func_48m_clk, &func_12m_clk, &func_54m_clk, &sys_clkout, &sys_clkout2, &core_clk, &l3_clk, &core_l4_iclk, &wu_l4_iclk, &core_l3_iclk, &core_l4_usb_clk, &wu_gpt1_clk, &wu_32k_clk, &uart1_fclk, &uart1_iclk, &uart2_fclk, &uart2_iclk, &uart3_fclk, &uart3_iclk, &mpu_fclk, &mpu_iclk, &int_m_fclk, &int_m_iclk, &core_gpt2_clk, &core_gpt3_clk, &core_gpt4_clk, &core_gpt5_clk, &core_gpt6_clk, &core_gpt7_clk, &core_gpt8_clk, &core_gpt9_clk, &core_gpt10_clk, &core_gpt11_clk, &core_gpt12_clk, &mcbsp1_clk, &mcbsp2_clk, &emul_clk, &sdma_fclk, &sdma_iclk, &i2c1_fclk, &i2c1_iclk, &i2c2_fclk, &i2c2_iclk, &gpio_dbclk[0], &gpio_dbclk[1], &gpio_dbclk[2], &gpio_dbclk[3], &gpio_iclk, &mmc_fck, &mmc_ick, &spi_fclk[0], &spi_iclk[0], &spi_fclk[1], &spi_iclk[1], &spi_fclk[2], &spi_iclk[2], &dss_clk[0], &dss_clk[1], &dss_54m_clk, &dss_l3_iclk, &dss_l4_iclk, &omapctrl_clk, 0 }; void omap_clk_adduser(struct clk *clk, qemu_irq user) { qemu_irq *i; for (i = clk->users; *i; i ++); *i = user; } /* If a clock is allowed to idle, it is disabled automatically when * all of clock domains using it are disabled. */ static int omap_clk_is_idle(struct clk *clk) { struct clk *chld; if (!clk->enabled && (!clk->usecount || !(clk->flags && ALWAYS_ENABLED))) return 1; if (clk->usecount) return 0; for (chld = clk->child1; chld; chld = chld->sibling) if (!omap_clk_is_idle(chld)) return 0; return 1; } struct clk *omap_findclk(struct omap_mpu_state_s *mpu, const char *name) { struct clk *i; for (i = mpu->clks; i->name; i ++) if (!strcmp(i->name, name) || (i->alias && !strcmp(i->alias, name))) return i; cpu_abort(mpu->env, "%s: %s not found\n", __FUNCTION__, name); } void omap_clk_get(struct clk *clk) { clk->usecount ++; } void omap_clk_put(struct clk *clk) { if (!(clk->usecount --)) cpu_abort(cpu_single_env, "%s: %s is not in use\n", __FUNCTION__, clk->name); } static void omap_clk_update(struct clk *clk) { int parent, running; qemu_irq *user; struct clk *i; if (clk->parent) parent = clk->parent->running; else parent = 1; running = parent && (clk->enabled || ((clk->flags & ALWAYS_ENABLED) && clk->usecount)); if (clk->running != running) { clk->running = running; for (user = clk->users; *user; user ++) qemu_set_irq(*user, running); for (i = clk->child1; i; i = i->sibling) omap_clk_update(i); } } static void omap_clk_rate_update_full(struct clk *clk, unsigned long int rate, unsigned long int div, unsigned long int mult) { struct clk *i; qemu_irq *user; clk->rate = muldiv64(rate, mult, div); if (clk->running) for (user = clk->users; *user; user ++) qemu_irq_raise(*user); for (i = clk->child1; i; i = i->sibling) omap_clk_rate_update_full(i, rate, div * i->divisor, mult * i->multiplier); } static void omap_clk_rate_update(struct clk *clk) { struct clk *i; unsigned long int div, mult = div = 1; for (i = clk; i->parent; i = i->parent) { div *= i->divisor; mult *= i->multiplier; } omap_clk_rate_update_full(clk, i->rate, div, mult); } void omap_clk_reparent(struct clk *clk, struct clk *parent) { struct clk **p; if (clk->parent) { for (p = &clk->parent->child1; *p != clk; p = &(*p)->sibling); *p = clk->sibling; } clk->parent = parent; if (parent) { clk->sibling = parent->child1; parent->child1 = clk; omap_clk_update(clk); omap_clk_rate_update(clk); } else clk->sibling = 0; } void omap_clk_onoff(struct clk *clk, int on) { clk->enabled = on; omap_clk_update(clk); } void omap_clk_canidle(struct clk *clk, int can) { if (can) omap_clk_put(clk); else omap_clk_get(clk); } void omap_clk_setrate(struct clk *clk, int divide, int multiply) { clk->divisor = divide; clk->multiplier = multiply; omap_clk_rate_update(clk); } int64_t omap_clk_getrate(omap_clk clk) { return clk->rate; } void omap_clk_init(struct omap_mpu_state_s *mpu) { struct clk **i, *j, *k; int count; int flag; if (cpu_is_omap310(mpu)) flag = CLOCK_IN_OMAP310; else if (cpu_is_omap1510(mpu)) flag = CLOCK_IN_OMAP1510; else if (cpu_is_omap2410(mpu) || cpu_is_omap2420(mpu)) flag = CLOCK_IN_OMAP242X; else if (cpu_is_omap2430(mpu)) flag = CLOCK_IN_OMAP243X; else if (cpu_is_omap3430(mpu)) flag = CLOCK_IN_OMAP243X; else return; for (i = onchip_clks, count = 0; *i; i ++) if ((*i)->flags & flag) count ++; mpu->clks = (struct clk *) qemu_mallocz(sizeof(struct clk) * (count + 1)); for (i = onchip_clks, j = mpu->clks; *i; i ++) if ((*i)->flags & flag) { memcpy(j, *i, sizeof(struct clk)); for (k = mpu->clks; k < j; k ++) if (j->parent && !strcmp(j->parent->name, k->name)) { j->parent = k; j->sibling = k->child1; k->child1 = j; } else if (k->parent && !strcmp(k->parent->name, j->name)) { k->parent = j; k->sibling = j->child1; j->child1 = k; } j->divisor = j->divisor ?: 1; j->multiplier = j->multiplier ?: 1; j ++; } for (j = mpu->clks; count --; j ++) { omap_clk_update(j); omap_clk_rate_update(j); } }