--- /dev/null
+/*
+ * 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);
+ }
+}
Code Review / kvmfornfv.git / blobdiff