ARM: OMAP AM33xx: PRM: add PRM support

As far as PRM/CM/PRCM modules are concerned, AM33XX device is
different than OMAP3 and OMAP4 architectures; so we need to handle it
separately.  This patch adds support for the PRM APIs required for
AM33XX device.

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
[paul@pwsan.com: separated the PRM parts of "ARM: OMAP3+: am33xx: Add
 powerdomain & PRM support" into this patch; fixed Makefile prm33xx.o
 location; cleaned up some checkpatch violations; updated for 3.5]
Signed-off-by: Paul Walmsley <paul@pwsan.com>

arch/arm/mach-omap2/Makefile

@@ -90,6 +90,7 @@ obj-$(CONFIG_ARCH_OMAP3)		+= vc3xxx_data.o vp3xxx_data.o
 obj-$(CONFIG_ARCH_OMAP4)		+= prcm.o cminst44xx.o cm44xx.o
 obj-$(CONFIG_ARCH_OMAP4)		+= prcm_mpu44xx.o prminst44xx.o
 obj-$(CONFIG_ARCH_OMAP4)		+= vc44xx_data.o vp44xx_data.o prm44xx.o
+obj-$(CONFIG_SOC_AM33XX)		+= prcm.o prm33xx.o
 
 # OMAP voltage domains
 voltagedomain-common			:= voltage.o vc.o vp.o

arch/arm/mach-omap2/prm-regbits-33xx.h

@@ -0,0 +1,357 @@
+/*
+ * AM33XX PRM_XXX register bits
+ *
+ * Copyright (C) 2011-2012 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * 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 version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __ARCH_ARM_MACH_OMAP2_PRM_REGBITS_33XX_H
+#define __ARCH_ARM_MACH_OMAP2_PRM_REGBITS_33XX_H
+
+#include "prm.h"
+
+/* Used by PRM_LDO_SRAM_CORE_SETUP, PRM_LDO_SRAM_MPU_SETUP */
+#define AM33XX_ABBOFF_ACT_EXPORT_SHIFT			1
+#define AM33XX_ABBOFF_ACT_EXPORT_MASK			(1 << 1)
+
+/* Used by PRM_LDO_SRAM_CORE_SETUP, PRM_LDO_SRAM_MPU_SETUP */
+#define AM33XX_ABBOFF_SLEEP_EXPORT_SHIFT		2
+#define AM33XX_ABBOFF_SLEEP_EXPORT_MASK			(1 << 2)
+
+/* Used by PRM_LDO_SRAM_CORE_SETUP, PRM_LDO_SRAM_MPU_SETUP */
+#define AM33XX_AIPOFF_SHIFT				8
+#define AM33XX_AIPOFF_MASK				(1 << 8)
+
+/* Used by PM_WKUP_PWRSTST */
+#define AM33XX_DEBUGSS_MEM_STATEST_SHIFT		17
+#define AM33XX_DEBUGSS_MEM_STATEST_MASK			(0x3 << 17)
+
+/* Used by PRM_LDO_SRAM_CORE_SETUP, PRM_LDO_SRAM_MPU_SETUP */
+#define AM33XX_DISABLE_RTA_EXPORT_SHIFT			0
+#define AM33XX_DISABLE_RTA_EXPORT_MASK			(1 << 0)
+
+/* Used by PRM_IRQENABLE_M3, PRM_IRQENABLE_MPU */
+#define AM33XX_DPLL_CORE_RECAL_EN_SHIFT			12
+#define AM33XX_DPLL_CORE_RECAL_EN_MASK			(1 << 12)
+
+/* Used by PRM_IRQSTATUS_M3, PRM_IRQSTATUS_MPU */
+#define AM33XX_DPLL_CORE_RECAL_ST_SHIFT			12
+#define AM33XX_DPLL_CORE_RECAL_ST_MASK			(1 << 12)
+
+/* Used by PRM_IRQENABLE_M3, PRM_IRQENABLE_MPU */
+#define AM33XX_DPLL_DDR_RECAL_EN_SHIFT			14
+#define AM33XX_DPLL_DDR_RECAL_EN_MASK			(1 << 14)
+
+/* Used by PRM_IRQSTATUS_M3, PRM_IRQSTATUS_MPU */
+#define AM33XX_DPLL_DDR_RECAL_ST_SHIFT			14
+#define AM33XX_DPLL_DDR_RECAL_ST_MASK			(1 << 14)
+
+/* Used by PRM_IRQENABLE_M3, PRM_IRQENABLE_MPU */
+#define AM33XX_DPLL_DISP_RECAL_EN_SHIFT			15
+#define AM33XX_DPLL_DISP_RECAL_EN_MASK			(1 << 15)
+
+/* Used by PRM_IRQSTATUS_M3, PRM_IRQSTATUS_MPU */
+#define AM33XX_DPLL_DISP_RECAL_ST_SHIFT			13
+#define AM33XX_DPLL_DISP_RECAL_ST_MASK			(1 << 13)
+
+/* Used by PRM_IRQENABLE_M3, PRM_IRQENABLE_MPU */
+#define AM33XX_DPLL_MPU_RECAL_EN_SHIFT			11
+#define AM33XX_DPLL_MPU_RECAL_EN_MASK			(1 << 11)
+
+/* Used by PRM_IRQSTATUS_M3, PRM_IRQSTATUS_MPU */
+#define AM33XX_DPLL_MPU_RECAL_ST_SHIFT			11
+#define AM33XX_DPLL_MPU_RECAL_ST_MASK			(1 << 11)
+
+/* Used by PRM_IRQENABLE_M3, PRM_IRQENABLE_MPU */
+#define AM33XX_DPLL_PER_RECAL_EN_SHIFT			13
+#define AM33XX_DPLL_PER_RECAL_EN_MASK			(1 << 13)
+
+/* Used by PRM_IRQSTATUS_M3, PRM_IRQSTATUS_MPU */
+#define AM33XX_DPLL_PER_RECAL_ST_SHIFT			15
+#define AM33XX_DPLL_PER_RECAL_ST_MASK			(1 << 15)
+
+/* Used by RM_WKUP_RSTST */
+#define AM33XX_EMULATION_M3_RST_SHIFT			6
+#define AM33XX_EMULATION_M3_RST_MASK			(1 << 6)
+
+/* Used by RM_MPU_RSTST */
+#define AM33XX_EMULATION_MPU_RST_SHIFT			5
+#define AM33XX_EMULATION_MPU_RST_MASK			(1 << 5)
+
+/* Used by PRM_LDO_SRAM_CORE_SETUP, PRM_LDO_SRAM_MPU_SETUP */
+#define AM33XX_ENFUNC1_EXPORT_SHIFT			3
+#define AM33XX_ENFUNC1_EXPORT_MASK			(1 << 3)
+
+/* Used by PRM_LDO_SRAM_CORE_SETUP, PRM_LDO_SRAM_MPU_SETUP */
+#define AM33XX_ENFUNC3_EXPORT_SHIFT			5
+#define AM33XX_ENFUNC3_EXPORT_MASK			(1 << 5)
+
+/* Used by PRM_LDO_SRAM_CORE_SETUP, PRM_LDO_SRAM_MPU_SETUP */
+#define AM33XX_ENFUNC4_SHIFT				6
+#define AM33XX_ENFUNC4_MASK				(1 << 6)
+
+/* Used by PRM_LDO_SRAM_CORE_SETUP, PRM_LDO_SRAM_MPU_SETUP */
+#define AM33XX_ENFUNC5_SHIFT				7
+#define AM33XX_ENFUNC5_MASK				(1 << 7)
+
+/* Used by PRM_RSTST */
+#define AM33XX_EXTERNAL_WARM_RST_SHIFT			5
+#define AM33XX_EXTERNAL_WARM_RST_MASK			(1 << 5)
+
+/* Used by PRM_IRQENABLE_M3, PRM_IRQENABLE_MPU */
+#define AM33XX_FORCEWKUP_EN_SHIFT			10
+#define AM33XX_FORCEWKUP_EN_MASK			(1 << 10)
+
+/* Used by PRM_IRQSTATUS_M3, PRM_IRQSTATUS_MPU */
+#define AM33XX_FORCEWKUP_ST_SHIFT			10
+#define AM33XX_FORCEWKUP_ST_MASK			(1 << 10)
+
+/* Used by PM_GFX_PWRSTCTRL */
+#define AM33XX_GFX_MEM_ONSTATE_SHIFT			17
+#define AM33XX_GFX_MEM_ONSTATE_MASK			(0x3 << 17)
+
+/* Used by PM_GFX_PWRSTCTRL */
+#define AM33XX_GFX_MEM_RETSTATE_SHIFT			6
+#define AM33XX_GFX_MEM_RETSTATE_MASK			(1 << 6)
+
+/* Used by PM_GFX_PWRSTST */
+#define AM33XX_GFX_MEM_STATEST_SHIFT			4
+#define AM33XX_GFX_MEM_STATEST_MASK			(0x3 << 4)
+
+/* Used by RM_GFX_RSTCTRL, RM_GFX_RSTST */
+#define AM33XX_GFX_RST_SHIFT				0
+#define AM33XX_GFX_RST_MASK				(1 << 0)
+
+/* Used by PRM_RSTST */
+#define AM33XX_GLOBAL_COLD_RST_SHIFT			0
+#define AM33XX_GLOBAL_COLD_RST_MASK			(1 << 0)
+
+/* Used by PRM_RSTST */
+#define AM33XX_GLOBAL_WARM_SW_RST_SHIFT			1
+#define AM33XX_GLOBAL_WARM_SW_RST_MASK			(1 << 1)
+
+/* Used by RM_WKUP_RSTST */
+#define AM33XX_ICECRUSHER_M3_RST_SHIFT			7
+#define AM33XX_ICECRUSHER_M3_RST_MASK			(1 << 7)
+
+/* Used by RM_MPU_RSTST */
+#define AM33XX_ICECRUSHER_MPU_RST_SHIFT			6
+#define AM33XX_ICECRUSHER_MPU_RST_MASK			(1 << 6)
+
+/* Used by PRM_RSTST */
+#define AM33XX_ICEPICK_RST_SHIFT			9
+#define AM33XX_ICEPICK_RST_MASK				(1 << 9)
+
+/* Used by RM_PER_RSTCTRL */
+#define AM33XX_PRUSS_LRST_SHIFT				1
+#define AM33XX_PRUSS_LRST_MASK				(1 << 1)
+
+/* Used by PM_PER_PWRSTCTRL */
+#define AM33XX_PRUSS_MEM_ONSTATE_SHIFT			5
+#define AM33XX_PRUSS_MEM_ONSTATE_MASK			(0x3 << 5)
+
+/* Used by PM_PER_PWRSTCTRL */
+#define AM33XX_PRUSS_MEM_RETSTATE_SHIFT			7
+#define AM33XX_PRUSS_MEM_RETSTATE_MASK			(1 << 7)
+
+/* Used by PM_PER_PWRSTST */
+#define AM33XX_PRUSS_MEM_STATEST_SHIFT			23
+#define AM33XX_PRUSS_MEM_STATEST_MASK			(0x3 << 23)
+
+/*
+ * Used by PM_GFX_PWRSTST, PM_CEFUSE_PWRSTST, PM_PER_PWRSTST, PM_MPU_PWRSTST,
+ * PM_WKUP_PWRSTST, PM_RTC_PWRSTST
+ */
+#define AM33XX_INTRANSITION_SHIFT			20
+#define AM33XX_INTRANSITION_MASK			(1 << 20)
+
+/* Used by PM_CEFUSE_PWRSTST */
+#define AM33XX_LASTPOWERSTATEENTERED_SHIFT		24
+#define AM33XX_LASTPOWERSTATEENTERED_MASK		(0x3 << 24)
+
+/* Used by PM_GFX_PWRSTCTRL, PM_MPU_PWRSTCTRL, PM_RTC_PWRSTCTRL */
+#define AM33XX_LOGICRETSTATE_SHIFT			2
+#define AM33XX_LOGICRETSTATE_MASK			(1 << 2)
+
+/* Renamed from LOGICRETSTATE Used by PM_PER_PWRSTCTRL, PM_WKUP_PWRSTCTRL */
+#define AM33XX_LOGICRETSTATE_3_3_SHIFT			3
+#define AM33XX_LOGICRETSTATE_3_3_MASK			(1 << 3)
+
+/*
+ * Used by PM_GFX_PWRSTST, PM_CEFUSE_PWRSTST, PM_PER_PWRSTST, PM_MPU_PWRSTST,
+ * PM_WKUP_PWRSTST, PM_RTC_PWRSTST
+ */
+#define AM33XX_LOGICSTATEST_SHIFT			2
+#define AM33XX_LOGICSTATEST_MASK			(1 << 2)
+
+/*
+ * Used by PM_GFX_PWRSTCTRL, PM_CEFUSE_PWRSTCTRL, PM_PER_PWRSTCTRL,
+ * PM_MPU_PWRSTCTRL, PM_WKUP_PWRSTCTRL, PM_RTC_PWRSTCTRL
+ */
+#define AM33XX_LOWPOWERSTATECHANGE_SHIFT		4
+#define AM33XX_LOWPOWERSTATECHANGE_MASK			(1 << 4)
+
+/* Used by PM_MPU_PWRSTCTRL */
+#define AM33XX_MPU_L1_ONSTATE_SHIFT			18
+#define AM33XX_MPU_L1_ONSTATE_MASK			(0x3 << 18)
+
+/* Used by PM_MPU_PWRSTCTRL */
+#define AM33XX_MPU_L1_RETSTATE_SHIFT			22
+#define AM33XX_MPU_L1_RETSTATE_MASK			(1 << 22)
+
+/* Used by PM_MPU_PWRSTST */
+#define AM33XX_MPU_L1_STATEST_SHIFT			6
+#define AM33XX_MPU_L1_STATEST_MASK			(0x3 << 6)
+
+/* Used by PM_MPU_PWRSTCTRL */
+#define AM33XX_MPU_L2_ONSTATE_SHIFT			20
+#define AM33XX_MPU_L2_ONSTATE_MASK			(0x3 << 20)
+
+/* Used by PM_MPU_PWRSTCTRL */
+#define AM33XX_MPU_L2_RETSTATE_SHIFT			23
+#define AM33XX_MPU_L2_RETSTATE_MASK			(1 << 23)
+
+/* Used by PM_MPU_PWRSTST */
+#define AM33XX_MPU_L2_STATEST_SHIFT			8
+#define AM33XX_MPU_L2_STATEST_MASK			(0x3 << 8)
+
+/* Used by PM_MPU_PWRSTCTRL */
+#define AM33XX_MPU_RAM_ONSTATE_SHIFT			16
+#define AM33XX_MPU_RAM_ONSTATE_MASK			(0x3 << 16)
+
+/* Used by PM_MPU_PWRSTCTRL */
+#define AM33XX_MPU_RAM_RETSTATE_SHIFT			24
+#define AM33XX_MPU_RAM_RETSTATE_MASK			(1 << 24)
+
+/* Used by PM_MPU_PWRSTST */
+#define AM33XX_MPU_RAM_STATEST_SHIFT			4
+#define AM33XX_MPU_RAM_STATEST_MASK			(0x3 << 4)
+
+/* Used by PRM_RSTST */
+#define AM33XX_MPU_SECURITY_VIOL_RST_SHIFT		2
+#define AM33XX_MPU_SECURITY_VIOL_RST_MASK		(1 << 2)
+
+/* Used by PRM_SRAM_COUNT */
+#define AM33XX_PCHARGECNT_VALUE_SHIFT			0
+#define AM33XX_PCHARGECNT_VALUE_MASK			(0x3f << 0)
+
+/* Used by RM_PER_RSTCTRL */
+#define AM33XX_PCI_LRST_SHIFT				0
+#define AM33XX_PCI_LRST_MASK				(1 << 0)
+
+/* Renamed from PCI_LRST Used by RM_PER_RSTST */
+#define AM33XX_PCI_LRST_5_5_SHIFT			5
+#define AM33XX_PCI_LRST_5_5_MASK			(1 << 5)
+
+/* Used by PM_PER_PWRSTCTRL */
+#define AM33XX_PER_MEM_ONSTATE_SHIFT			25
+#define AM33XX_PER_MEM_ONSTATE_MASK			(0x3 << 25)
+
+/* Used by PM_PER_PWRSTCTRL */
+#define AM33XX_PER_MEM_RETSTATE_SHIFT			29
+#define AM33XX_PER_MEM_RETSTATE_MASK			(1 << 29)
+
+/* Used by PM_PER_PWRSTST */
+#define AM33XX_PER_MEM_STATEST_SHIFT			17
+#define AM33XX_PER_MEM_STATEST_MASK			(0x3 << 17)
+
+/*
+ * Used by PM_GFX_PWRSTCTRL, PM_CEFUSE_PWRSTCTRL, PM_PER_PWRSTCTRL,
+ * PM_MPU_PWRSTCTRL
+ */
+#define AM33XX_POWERSTATE_SHIFT				0
+#define AM33XX_POWERSTATE_MASK				(0x3 << 0)
+
+/* Used by PM_GFX_PWRSTST, PM_CEFUSE_PWRSTST, PM_PER_PWRSTST, PM_MPU_PWRSTST */
+#define AM33XX_POWERSTATEST_SHIFT			0
+#define AM33XX_POWERSTATEST_MASK			(0x3 << 0)
+
+/* Used by PM_PER_PWRSTCTRL */
+#define AM33XX_RAM_MEM_ONSTATE_SHIFT			30
+#define AM33XX_RAM_MEM_ONSTATE_MASK			(0x3 << 30)
+
+/* Used by PM_PER_PWRSTCTRL */
+#define AM33XX_RAM_MEM_RETSTATE_SHIFT			27
+#define AM33XX_RAM_MEM_RETSTATE_MASK			(1 << 27)
+
+/* Used by PM_PER_PWRSTST */
+#define AM33XX_RAM_MEM_STATEST_SHIFT			21
+#define AM33XX_RAM_MEM_STATEST_MASK			(0x3 << 21)
+
+/* Used by PRM_LDO_SRAM_CORE_CTRL, PRM_LDO_SRAM_MPU_CTRL */
+#define AM33XX_RETMODE_ENABLE_SHIFT			0
+#define AM33XX_RETMODE_ENABLE_MASK			(1 << 0)
+
+/* Used by REVISION_PRM */
+#define AM33XX_REV_SHIFT				0
+#define AM33XX_REV_MASK					(0xff << 0)
+
+/* Used by PRM_RSTTIME */
+#define AM33XX_RSTTIME1_SHIFT				0
+#define AM33XX_RSTTIME1_MASK				(0xff << 0)
+
+/* Used by PRM_RSTTIME */
+#define AM33XX_RSTTIME2_SHIFT				8
+#define AM33XX_RSTTIME2_MASK				(0x1f << 8)
+
+/* Used by PRM_RSTCTRL */
+#define AM33XX_RST_GLOBAL_COLD_SW_SHIFT			1
+#define AM33XX_RST_GLOBAL_COLD_SW_MASK			(1 << 1)
+
+/* Used by PRM_RSTCTRL */
+#define AM33XX_RST_GLOBAL_WARM_SW_SHIFT			0
+#define AM33XX_RST_GLOBAL_WARM_SW_MASK			(1 << 0)
+
+/* Used by PRM_SRAM_COUNT */
+#define AM33XX_SLPCNT_VALUE_SHIFT			16
+#define AM33XX_SLPCNT_VALUE_MASK			(0xff << 16)
+
+/* Used by PRM_LDO_SRAM_CORE_CTRL, PRM_LDO_SRAM_MPU_CTRL */
+#define AM33XX_SRAMLDO_STATUS_SHIFT			8
+#define AM33XX_SRAMLDO_STATUS_MASK			(1 << 8)
+
+/* Used by PRM_LDO_SRAM_CORE_CTRL, PRM_LDO_SRAM_MPU_CTRL */
+#define AM33XX_SRAM_IN_TRANSITION_SHIFT			9
+#define AM33XX_SRAM_IN_TRANSITION_MASK			(1 << 9)
+
+/* Used by PRM_SRAM_COUNT */
+#define AM33XX_STARTUP_COUNT_SHIFT			24
+#define AM33XX_STARTUP_COUNT_MASK			(0xff << 24)
+
+/* Used by PRM_IRQENABLE_M3, PRM_IRQENABLE_MPU */
+#define AM33XX_TRANSITION_EN_SHIFT			8
+#define AM33XX_TRANSITION_EN_MASK			(1 << 8)
+
+/* Used by PRM_IRQSTATUS_M3, PRM_IRQSTATUS_MPU */
+#define AM33XX_TRANSITION_ST_SHIFT			8
+#define AM33XX_TRANSITION_ST_MASK			(1 << 8)
+
+/* Used by PRM_SRAM_COUNT */
+#define AM33XX_VSETUPCNT_VALUE_SHIFT			8
+#define AM33XX_VSETUPCNT_VALUE_MASK			(0xff << 8)
+
+/* Used by PRM_RSTST */
+#define AM33XX_WDT0_RST_SHIFT				3
+#define AM33XX_WDT0_RST_MASK				(1 << 3)
+
+/* Used by PRM_RSTST */
+#define AM33XX_WDT1_RST_SHIFT				4
+#define AM33XX_WDT1_RST_MASK				(1 << 4)
+
+/* Used by RM_WKUP_RSTCTRL */
+#define AM33XX_WKUP_M3_LRST_SHIFT			3
+#define AM33XX_WKUP_M3_LRST_MASK			(1 << 3)
+
+/* Renamed from WKUP_M3_LRST Used by RM_WKUP_RSTST */
+#define AM33XX_WKUP_M3_LRST_5_5_SHIFT			5
+#define AM33XX_WKUP_M3_LRST_5_5_MASK			(1 << 5)
+
+#endif