diff options
Diffstat (limited to 'hw/omap_clk.c')
| -rw-r--r-- | hw/omap_clk.c | 1264 |
1 files changed, 0 insertions, 1264 deletions
diff --git a/hw/omap_clk.c b/hw/omap_clk.c deleted file mode 100644 index 80a3c50e1e..0000000000 --- a/hw/omap_clk.c +++ /dev/null @@ -1,1264 +0,0 @@ -/* - * 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, see <http://www.gnu.org/licenses/>. - */ -#include "hw/hw.h" -#include "hw/arm/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[5] = { - { - .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, - }, { - .name = "gpio5_dbclk", - .flags = 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, - - NULL -}; - -void omap_clk_adduser(struct clk *clk, qemu_irq user) -{ - qemu_irq *i; - - for (i = clk->users; *i; i ++); - *i = user; -} - -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; - hw_error("%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 --)) - hw_error("%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 = NULL; -} - -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 *) g_malloc0(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); - } -} |