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Date: Wed, 16 Jul 2008 18:19:12 +0300
From: Tony Lindgren <tony@...mide.com>
To: linux-kernel@...r.kernel.org
Cc: linux-pm@...ts.linux-foundation.org,
linux-arm-kernel@...ts.arm.linux.org.uk,
linux-omap@...r.kernel.org, Paul Walmsley <paul@...an.com>,
Tony Lindgren <tony@...mide.com>
Subject: [PATCH 07/10] ARM: OMAP2: Clockdomain: Encode OMAP2/3 clockdomains
From: Paul Walmsley <paul@...an.com>
Add clockdomain definitions for OMAP24xx and OMAP34xx chips.
Signed-off-by: Paul Walmsley <paul@...an.com>
Signed-off-by: Tony Lindgren <tony@...mide.com>
diff --git a/arch/arm/mach-omap2/clockdomains.h b/arch/arm/mach-omap2/clockdomains.h
new file mode 100644
index 0000000..adbc170
--- /dev/null
+++ b/arch/arm/mach-omap2/clockdomains.h
@@ -0,0 +1,298 @@
+/*
+ * OMAP2/3 clockdomains
+ *
+ * Copyright (C) 2008 Texas Instruments, Inc.
+ * Copyright (C) 2008 Nokia Corporation
+ *
+ * Written by Paul Walmsley
+ */
+
+#ifndef __ARCH_ARM_MACH_OMAP2_CLOCKDOMAINS_H
+#define __ARCH_ARM_MACH_OMAP2_CLOCKDOMAINS_H
+
+#include <asm/arch/clockdomain.h>
+
+/*
+ * OMAP2/3-common clockdomains
+ */
+
+/* This is an implicit clockdomain - it is never defined as such in TRM */
+static struct clockdomain wkup_clkdm = {
+ .name = "wkup_clkdm",
+ .pwrdm_name = "wkup_pwrdm",
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX | CHIP_IS_OMAP3430),
+};
+
+/*
+ * 2420-only clockdomains
+ */
+
+#if defined(CONFIG_ARCH_OMAP2420)
+
+static struct clockdomain mpu_2420_clkdm = {
+ .name = "mpu_clkdm",
+ .pwrdm_name = "mpu_pwrdm",
+ .flags = CLKDM_CAN_HWSUP,
+ .clktrctrl_mask = OMAP24XX_AUTOSTATE_MPU_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
+};
+
+static struct clockdomain iva1_2420_clkdm = {
+ .name = "iva1_clkdm",
+ .pwrdm_name = "dsp_pwrdm",
+ .flags = CLKDM_CAN_HWSUP_SWSUP,
+ .clktrctrl_mask = OMAP2420_AUTOSTATE_IVA_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
+};
+
+#endif /* CONFIG_ARCH_OMAP2420 */
+
+
+/*
+ * 2430-only clockdomains
+ */
+
+#if defined(CONFIG_ARCH_OMAP2430)
+
+static struct clockdomain mpu_2430_clkdm = {
+ .name = "mpu_clkdm",
+ .pwrdm_name = "mpu_pwrdm",
+ .flags = CLKDM_CAN_HWSUP_SWSUP,
+ .clktrctrl_mask = OMAP24XX_AUTOSTATE_MPU_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
+};
+
+static struct clockdomain mdm_clkdm = {
+ .name = "mdm_clkdm",
+ .pwrdm_name = "mdm_pwrdm",
+ .flags = CLKDM_CAN_HWSUP_SWSUP,
+ .clktrctrl_mask = OMAP2430_AUTOSTATE_MDM_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
+};
+
+#endif /* CONFIG_ARCH_OMAP2430 */
+
+
+/*
+ * 24XX-only clockdomains
+ */
+
+#if defined(CONFIG_ARCH_OMAP24XX)
+
+static struct clockdomain dsp_clkdm = {
+ .name = "dsp_clkdm",
+ .pwrdm_name = "dsp_pwrdm",
+ .flags = CLKDM_CAN_HWSUP_SWSUP,
+ .clktrctrl_mask = OMAP24XX_AUTOSTATE_DSP_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
+};
+
+static struct clockdomain gfx_24xx_clkdm = {
+ .name = "gfx_clkdm",
+ .pwrdm_name = "gfx_pwrdm",
+ .flags = CLKDM_CAN_HWSUP_SWSUP,
+ .clktrctrl_mask = OMAP24XX_AUTOSTATE_GFX_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
+};
+
+static struct clockdomain core_l3_24xx_clkdm = {
+ .name = "core_l3_clkdm",
+ .pwrdm_name = "core_pwrdm",
+ .flags = CLKDM_CAN_HWSUP,
+ .clktrctrl_mask = OMAP24XX_AUTOSTATE_L3_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
+};
+
+static struct clockdomain core_l4_24xx_clkdm = {
+ .name = "core_l4_clkdm",
+ .pwrdm_name = "core_pwrdm",
+ .flags = CLKDM_CAN_HWSUP,
+ .clktrctrl_mask = OMAP24XX_AUTOSTATE_L4_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
+};
+
+static struct clockdomain dss_24xx_clkdm = {
+ .name = "dss_clkdm",
+ .pwrdm_name = "core_pwrdm",
+ .flags = CLKDM_CAN_HWSUP,
+ .clktrctrl_mask = OMAP24XX_AUTOSTATE_DSS_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
+};
+
+#endif /* CONFIG_ARCH_OMAP24XX */
+
+
+/*
+ * 34xx clockdomains
+ */
+
+#if defined(CONFIG_ARCH_OMAP34XX)
+
+static struct clockdomain mpu_34xx_clkdm = {
+ .name = "mpu_clkdm",
+ .pwrdm_name = "mpu_pwrdm",
+ .flags = CLKDM_CAN_HWSUP | CLKDM_CAN_FORCE_WAKEUP,
+ .clktrctrl_mask = OMAP3430_CLKTRCTRL_MPU_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
+};
+
+static struct clockdomain neon_clkdm = {
+ .name = "neon_clkdm",
+ .pwrdm_name = "neon_pwrdm",
+ .flags = CLKDM_CAN_HWSUP_SWSUP,
+ .clktrctrl_mask = OMAP3430_CLKTRCTRL_NEON_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
+};
+
+static struct clockdomain iva2_clkdm = {
+ .name = "iva2_clkdm",
+ .pwrdm_name = "iva2_pwrdm",
+ .flags = CLKDM_CAN_HWSUP_SWSUP,
+ .clktrctrl_mask = OMAP3430_CLKTRCTRL_IVA2_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
+};
+
+static struct clockdomain gfx_3430es1_clkdm = {
+ .name = "gfx_clkdm",
+ .pwrdm_name = "gfx_pwrdm",
+ .flags = CLKDM_CAN_HWSUP_SWSUP,
+ .clktrctrl_mask = OMAP3430ES1_CLKTRCTRL_GFX_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES1),
+};
+
+static struct clockdomain sgx_clkdm = {
+ .name = "sgx_clkdm",
+ .pwrdm_name = "sgx_pwrdm",
+ .flags = CLKDM_CAN_HWSUP_SWSUP,
+ .clktrctrl_mask = OMAP3430ES2_CLKTRCTRL_SGX_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES2),
+};
+
+static struct clockdomain d2d_clkdm = {
+ .name = "d2d_clkdm",
+ .pwrdm_name = "core_pwrdm",
+ .flags = CLKDM_CAN_HWSUP,
+ .clktrctrl_mask = OMAP3430ES1_CLKTRCTRL_D2D_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES1),
+};
+
+static struct clockdomain core_l3_34xx_clkdm = {
+ .name = "core_l3_clkdm",
+ .pwrdm_name = "core_pwrdm",
+ .flags = CLKDM_CAN_HWSUP,
+ .clktrctrl_mask = OMAP3430_CLKTRCTRL_L3_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
+};
+
+static struct clockdomain core_l4_34xx_clkdm = {
+ .name = "core_l4_clkdm",
+ .pwrdm_name = "core_pwrdm",
+ .flags = CLKDM_CAN_HWSUP,
+ .clktrctrl_mask = OMAP3430_CLKTRCTRL_L4_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
+};
+
+static struct clockdomain dss_34xx_clkdm = {
+ .name = "dss_clkdm",
+ .pwrdm_name = "dss_pwrdm",
+ .flags = CLKDM_CAN_HWSUP_SWSUP,
+ .clktrctrl_mask = OMAP3430_CLKTRCTRL_DSS_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
+};
+
+static struct clockdomain cam_clkdm = {
+ .name = "cam_clkdm",
+ .pwrdm_name = "cam_pwrdm",
+ .flags = CLKDM_CAN_HWSUP_SWSUP,
+ .clktrctrl_mask = OMAP3430_CLKTRCTRL_CAM_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
+};
+
+static struct clockdomain usbhost_clkdm = {
+ .name = "usbhost_clkdm",
+ .pwrdm_name = "usbhost_pwrdm",
+ .flags = CLKDM_CAN_HWSUP_SWSUP,
+ .clktrctrl_mask = OMAP3430ES2_CLKTRCTRL_USBHOST_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES2),
+};
+
+static struct clockdomain per_clkdm = {
+ .name = "per_clkdm",
+ .pwrdm_name = "per_pwrdm",
+ .flags = CLKDM_CAN_HWSUP_SWSUP,
+ .clktrctrl_mask = OMAP3430_CLKTRCTRL_PER_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
+};
+
+static struct clockdomain emu_clkdm = {
+ .name = "emu_clkdm",
+ .pwrdm_name = "emu_pwrdm",
+ .flags = CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_SWSUP,
+ .clktrctrl_mask = OMAP3430_CLKTRCTRL_EMU_MASK,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
+};
+
+#endif /* CONFIG_ARCH_OMAP34XX */
+
+/*
+ * Clockdomain-powerdomain hwsup dependencies (34XX only)
+ */
+
+static struct clkdm_pwrdm_autodep clkdm_pwrdm_autodeps[] = {
+ {
+ .pwrdm_name = "mpu_pwrdm",
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+ },
+ {
+ .pwrdm_name = "iva2_pwrdm",
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+ },
+ { NULL }
+};
+
+/*
+ *
+ */
+
+static struct clockdomain *clockdomains_omap[] = {
+
+ &wkup_clkdm,
+
+#ifdef CONFIG_ARCH_OMAP2420
+ &mpu_2420_clkdm,
+ &iva1_2420_clkdm,
+#endif
+
+#ifdef CONFIG_ARCH_OMAP2430
+ &mpu_2430_clkdm,
+ &mdm_clkdm,
+#endif
+
+#ifdef CONFIG_ARCH_OMAP24XX
+ &dsp_clkdm,
+ &gfx_24xx_clkdm,
+ &core_l3_24xx_clkdm,
+ &core_l4_24xx_clkdm,
+ &dss_24xx_clkdm,
+#endif
+
+#ifdef CONFIG_ARCH_OMAP34XX
+ &mpu_34xx_clkdm,
+ &neon_clkdm,
+ &iva2_clkdm,
+ &gfx_3430es1_clkdm,
+ &sgx_clkdm,
+ &d2d_clkdm,
+ &core_l3_34xx_clkdm,
+ &core_l4_34xx_clkdm,
+ &dss_34xx_clkdm,
+ &cam_clkdm,
+ &usbhost_clkdm,
+ &per_clkdm,
+ &emu_clkdm,
+#endif
+
+ NULL,
+};
+
+#endif
diff --git a/arch/arm/mach-omap2/cm-regbits-24xx.h b/arch/arm/mach-omap2/cm-regbits-24xx.h
index 20ac381..1098ecf 100644
--- a/arch/arm/mach-omap2/cm-regbits-24xx.h
+++ b/arch/arm/mach-omap2/cm-regbits-24xx.h
@@ -63,7 +63,8 @@
#define OMAP24XX_CLKSEL_MPU_MASK (0x1f << 0)
/* CM_CLKSTCTRL_MPU */
-#define OMAP24XX_AUTOSTATE_MPU (1 << 0)
+#define OMAP24XX_AUTOSTATE_MPU_SHIFT 0
+#define OMAP24XX_AUTOSTATE_MPU_MASK (1 << 0)
/* CM_FCLKEN1_CORE specific bits*/
#define OMAP24XX_EN_TV_SHIFT 2
@@ -238,9 +239,12 @@
#define OMAP24XX_CLKSEL_GPT2_MASK (0x3 << 2)
/* CM_CLKSTCTRL_CORE */
-#define OMAP24XX_AUTOSTATE_DSS (1 << 2)
-#define OMAP24XX_AUTOSTATE_L4 (1 << 1)
-#define OMAP24XX_AUTOSTATE_L3 (1 << 0)
+#define OMAP24XX_AUTOSTATE_DSS_SHIFT 2
+#define OMAP24XX_AUTOSTATE_DSS_MASK (1 << 2)
+#define OMAP24XX_AUTOSTATE_L4_SHIFT 1
+#define OMAP24XX_AUTOSTATE_L4_MASK (1 << 1)
+#define OMAP24XX_AUTOSTATE_L3_SHIFT 0
+#define OMAP24XX_AUTOSTATE_L3_MASK (1 << 0)
/* CM_FCLKEN_GFX */
#define OMAP24XX_EN_3D_SHIFT 2
@@ -255,7 +259,8 @@
/* CM_CLKSEL_GFX specific bits */
/* CM_CLKSTCTRL_GFX */
-#define OMAP24XX_AUTOSTATE_GFX (1 << 0)
+#define OMAP24XX_AUTOSTATE_GFX_SHIFT 0
+#define OMAP24XX_AUTOSTATE_GFX_MASK (1 << 0)
/* CM_FCLKEN_WKUP specific bits */
@@ -367,8 +372,10 @@
#define OMAP24XX_CLKSEL_DSP_MASK (0x1f << 0)
/* CM_CLKSTCTRL_DSP */
-#define OMAP2420_AUTOSTATE_IVA (1 << 8)
-#define OMAP24XX_AUTOSTATE_DSP (1 << 0)
+#define OMAP2420_AUTOSTATE_IVA_SHIFT 8
+#define OMAP2420_AUTOSTATE_IVA_MASK (1 << 8)
+#define OMAP24XX_AUTOSTATE_DSP_SHIFT 0
+#define OMAP24XX_AUTOSTATE_DSP_MASK (1 << 0)
/* CM_FCLKEN_MDM */
/* 2430 only */
@@ -396,6 +403,7 @@
/* CM_CLKSTCTRL_MDM */
/* 2430 only */
-#define OMAP2430_AUTOSTATE_MDM (1 << 0)
+#define OMAP2430_AUTOSTATE_MDM_SHIFT 0
+#define OMAP2430_AUTOSTATE_MDM_MASK (1 << 0)
#endif
diff --git a/arch/arm/mach-omap2/cm-regbits-34xx.h b/arch/arm/mach-omap2/cm-regbits-34xx.h
index ee4c0ca..219f5c8 100644
--- a/arch/arm/mach-omap2/cm-regbits-34xx.h
+++ b/arch/arm/mach-omap2/cm-regbits-34xx.h
@@ -96,7 +96,8 @@
#define OMAP3430_CLKTRCTRL_IVA2_MASK (0x3 << 0)
/* CM_CLKSTST_IVA2 */
-#define OMAP3430_CLKACTIVITY_IVA2 (1 << 0)
+#define OMAP3430_CLKACTIVITY_IVA2_SHIFT 0
+#define OMAP3430_CLKACTIVITY_IVA2_MASK (1 << 0)
/* CM_REVISION specific bits */
@@ -140,7 +141,8 @@
#define OMAP3430_CLKTRCTRL_MPU_MASK (0x3 << 0)
/* CM_CLKSTST_MPU */
-#define OMAP3430_CLKACTIVITY_MPU (1 << 0)
+#define OMAP3430_CLKACTIVITY_MPU_SHIFT 0
+#define OMAP3430_CLKACTIVITY_MPU_MASK (1 << 0)
/* CM_FCLKEN1_CORE specific bits */
@@ -300,9 +302,12 @@
#define OMAP3430_CLKTRCTRL_L3_MASK (0x3 << 0)
/* CM_CLKSTST_CORE */
-#define OMAP3430ES1_CLKACTIVITY_D2D (1 << 2)
-#define OMAP3430_CLKACTIVITY_L4 (1 << 1)
-#define OMAP3430_CLKACTIVITY_L3 (1 << 0)
+#define OMAP3430ES1_CLKACTIVITY_D2D_SHIFT 2
+#define OMAP3430ES1_CLKACTIVITY_D2D_MASK (1 << 2)
+#define OMAP3430_CLKACTIVITY_L4_SHIFT 1
+#define OMAP3430_CLKACTIVITY_L4_MASK (1 << 1)
+#define OMAP3430_CLKACTIVITY_L3_SHIFT 0
+#define OMAP3430_CLKACTIVITY_L3_MASK (1 << 0)
/* CM_FCLKEN_GFX */
#define OMAP3430ES1_EN_3D (1 << 2)
@@ -323,7 +328,8 @@
#define OMAP3430ES1_CLKTRCTRL_GFX_MASK (0x3 << 0)
/* CM_CLKSTST_GFX */
-#define OMAP3430ES1_CLKACTIVITY_GFX (1 << 0)
+#define OMAP3430ES1_CLKACTIVITY_GFX_SHIFT 0
+#define OMAP3430ES1_CLKACTIVITY_GFX_MASK (1 << 0)
/* CM_FCLKEN_SGX */
#define OMAP3430ES2_EN_SGX_SHIFT 1
@@ -333,6 +339,14 @@
#define OMAP3430ES2_CLKSEL_SGX_SHIFT 0
#define OMAP3430ES2_CLKSEL_SGX_MASK (0x7 << 0)
+/* CM_CLKSTCTRL_SGX */
+#define OMAP3430ES2_CLKTRCTRL_SGX_SHIFT 0
+#define OMAP3430ES2_CLKTRCTRL_SGX_MASK (0x3 << 0)
+
+/* CM_CLKSTST_SGX */
+#define OMAP3430ES2_CLKACTIVITY_SGX_SHIFT 0
+#define OMAP3430ES2_CLKACTIVITY_SGX_MASK (1 << 0)
+
/* CM_FCLKEN_WKUP specific bits */
#define OMAP3430ES2_EN_USIMOCP_SHIFT 9
@@ -498,7 +512,8 @@
#define OMAP3430_CLKTRCTRL_DSS_MASK (0x3 << 0)
/* CM_CLKSTST_DSS */
-#define OMAP3430_CLKACTIVITY_DSS (1 << 0)
+#define OMAP3430_CLKACTIVITY_DSS_SHIFT 0
+#define OMAP3430_CLKACTIVITY_DSS_MASK (1 << 0)
/* CM_FCLKEN_CAM specific bits */
@@ -522,7 +537,8 @@
#define OMAP3430_CLKTRCTRL_CAM_MASK (0x3 << 0)
/* CM_CLKSTST_CAM */
-#define OMAP3430_CLKACTIVITY_CAM (1 << 0)
+#define OMAP3430_CLKACTIVITY_CAM_SHIFT 0
+#define OMAP3430_CLKACTIVITY_CAM_MASK (1 << 0)
/* CM_FCLKEN_PER specific bits */
@@ -598,7 +614,8 @@
#define OMAP3430_CLKTRCTRL_PER_MASK (0x3 << 0)
/* CM_CLKSTST_PER */
-#define OMAP3430_CLKACTIVITY_PER (1 << 0)
+#define OMAP3430_CLKACTIVITY_PER_SHIFT 0
+#define OMAP3430_CLKACTIVITY_PER_MASK (1 << 0)
/* CM_CLKSEL1_EMU */
#define OMAP3430_DIV_DPLL4_SHIFT 24
@@ -623,7 +640,8 @@
#define OMAP3430_CLKTRCTRL_EMU_MASK (0x3 << 0)
/* CM_CLKSTST_EMU */
-#define OMAP3430_CLKACTIVITY_EMU (1 << 0)
+#define OMAP3430_CLKACTIVITY_EMU_SHIFT 0
+#define OMAP3430_CLKACTIVITY_EMU_MASK (1 << 0)
/* CM_CLKSEL2_EMU specific bits */
#define OMAP3430_CORE_DPLL_EMU_MULT_SHIFT 8
@@ -673,6 +691,8 @@
#define OMAP3430ES2_CLKTRCTRL_USBHOST_SHIFT 0
#define OMAP3430ES2_CLKTRCTRL_USBHOST_MASK (3 << 0)
-
+/* CM_CLKSTST_USBHOST */
+#define OMAP3430ES2_CLKACTIVITY_USBHOST_SHIFT 0
+#define OMAP3430ES2_CLKACTIVITY_USBHOST_MASK (1 << 0)
#endif
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 20ddfaa..a2d9ec8 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -28,6 +28,9 @@
#include "powerdomains.h"
+#include <asm/arch/clockdomain.h>
+#include "clockdomains.h"
+
extern void omap_sram_init(void);
extern int omap2_clk_init(void);
extern void omap2_check_revision(void);
@@ -106,6 +109,7 @@ void __init omap2_init_common_hw(void)
{
omap2_mux_init();
pwrdm_init(powerdomains_omap);
+ clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps);
omap2_clk_init();
/*
* Need to Fix this for 2430
--
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