symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/omap_clk.c
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/omap_clk.c	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,1280 @@
+/*
+ * 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);
+    }
+}