ARM: OMAP2: Add common register access for 24xx and 34xx

This patch adds common register access for 24xx and 34xx power
and clock management in order to share code between 24xx and 34xx.

Only change USB platform init code to use new register access, other
access will be changed in later patches.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 279 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/prm-regbits-24xx.h b/arch/arm/mach-omap2/prm-regbits-24xx.h
new file mode 100644
index 00000000000..c6d17a3378e
--- /dev/null
+++ b/arch/arm/mach-omap2/prm-regbits-24xx.h
@@ -0,0 +1,279 @@
+#ifndef __ARCH_ARM_MACH_OMAP2_PRM_REGBITS_24XX_H
+#define __ARCH_ARM_MACH_OMAP2_PRM_REGBITS_24XX_H
+
+/*
+ * OMAP24XX Power/Reset Management register bits
+ *
+ * Copyright (C) 2007 Texas Instruments, Inc.
+ * Copyright (C) 2007 Nokia Corporation
+ *
+ * Written by Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "prm.h"
+
+/* Bits shared between registers */
+
+/* PRCM_IRQSTATUS_MPU, PM_IRQSTATUS_DSP, PRCM_IRQSTATUS_IVA shared bits */
+#define OMAP24XX_VOLTTRANS_ST				(1 << 2)
+#define OMAP24XX_WKUP2_ST				(1 << 1)
+#define OMAP24XX_WKUP1_ST				(1 << 0)
+
+/* PRCM_IRQENABLE_MPU, PM_IRQENABLE_DSP, PRCM_IRQENABLE_IVA shared bits */
+#define OMAP24XX_VOLTTRANS_EN				(1 << 2)
+#define OMAP24XX_WKUP2_EN				(1 << 1)
+#define OMAP24XX_WKUP1_EN				(1 << 0)
+
+/* PM_WKDEP_GFX, PM_WKDEP_MPU, PM_WKDEP_DSP, PM_WKDEP_MDM shared bits */
+#define OMAP24XX_EN_MPU					(1 << 1)
+#define OMAP24XX_EN_CORE				(1 << 0)
+
+/*
+ * PM_PWSTCTRL_MPU, PM_PWSTCTRL_GFX, PM_PWSTCTRL_DSP, PM_PWSTCTRL_MDM
+ * shared bits
+ */
+#define OMAP24XX_MEMONSTATE_SHIFT			10
+#define OMAP24XX_MEMONSTATE_MASK			(0x3 << 10)
+#define OMAP24XX_MEMRETSTATE				(1 << 3)
+
+/* PM_PWSTCTRL_GFX, PM_PWSTCTRL_DSP, PM_PWSTCTRL_MDM shared bits */
+#define OMAP24XX_FORCESTATE				(1 << 18)
+
+/*
+ * PM_PWSTST_CORE, PM_PWSTST_GFX, PM_PWSTST_MPU, PM_PWSTST_DSP,
+ * PM_PWSTST_MDM shared bits
+ */
+#define OMAP24XX_CLKACTIVITY				(1 << 19)
+
+/* PM_PWSTST_MPU, PM_PWSTST_CORE, PM_PWSTST_DSP shared bits */
+#define OMAP24XX_LASTSTATEENTERED_SHIFT			4
+#define OMAP24XX_LASTSTATEENTERED_MASK			(0x3 << 4)
+
+/* PM_PWSTST_MPU and PM_PWSTST_DSP shared bits */
+#define OMAP2430_MEMSTATEST_SHIFT			10
+#define OMAP2430_MEMSTATEST_MASK			(0x3 << 10)
+
+/* PM_PWSTST_GFX, PM_PWSTST_DSP, PM_PWSTST_MDM shared bits */
+#define OMAP24XX_POWERSTATEST_SHIFT			0
+#define OMAP24XX_POWERSTATEST_MASK			(0x3 << 0)
+
+
+/* Bits specific to each register */
+
+/* PRCM_REVISION */
+#define OMAP24XX_REV_SHIFT				0
+#define OMAP24XX_REV_MASK				(0xff << 0)
+
+/* PRCM_SYSCONFIG */
+#define OMAP24XX_AUTOIDLE				(1 << 0)
+
+/* PRCM_IRQSTATUS_MPU specific bits */
+#define OMAP2430_DPLL_RECAL_ST				(1 << 6)
+#define OMAP24XX_TRANSITION_ST				(1 << 5)
+#define OMAP24XX_EVGENOFF_ST				(1 << 4)
+#define OMAP24XX_EVGENON_ST				(1 << 3)
+
+/* PRCM_IRQENABLE_MPU specific bits */
+#define OMAP2430_DPLL_RECAL_EN				(1 << 6)
+#define OMAP24XX_TRANSITION_EN				(1 << 5)
+#define OMAP24XX_EVGENOFF_EN				(1 << 4)
+#define OMAP24XX_EVGENON_EN				(1 << 3)
+
+/* PRCM_VOLTCTRL */
+#define OMAP24XX_AUTO_EXTVOLT				(1 << 15)
+#define OMAP24XX_FORCE_EXTVOLT				(1 << 14)
+#define OMAP24XX_SETOFF_LEVEL_SHIFT			12
+#define OMAP24XX_SETOFF_LEVEL_MASK			(0x3 << 12)
+#define OMAP24XX_MEMRETCTRL				(1 << 8)
+#define OMAP24XX_SETRET_LEVEL_SHIFT			6
+#define OMAP24XX_SETRET_LEVEL_MASK			(0x3 << 6)
+#define OMAP24XX_VOLT_LEVEL_SHIFT			0
+#define OMAP24XX_VOLT_LEVEL_MASK			(0x3 << 0)
+
+/* PRCM_VOLTST */
+#define OMAP24XX_ST_VOLTLEVEL_SHIFT			0
+#define OMAP24XX_ST_VOLTLEVEL_MASK			(0x3 << 0)
+
+/* PRCM_CLKSRC_CTRL specific bits */
+
+/* PRCM_CLKOUT_CTRL */
+#define OMAP2420_CLKOUT2_EN_SHIFT			15
+#define OMAP2420_CLKOUT2_EN				(1 << 15)
+#define OMAP2420_CLKOUT2_DIV_SHIFT			11
+#define OMAP2420_CLKOUT2_DIV_MASK			(0x7 << 11)
+#define OMAP2420_CLKOUT2_SOURCE_SHIFT			8
+#define OMAP2420_CLKOUT2_SOURCE_MASK			(0x3 << 8)
+#define OMAP24XX_CLKOUT_EN_SHIFT			7
+#define OMAP24XX_CLKOUT_EN				(1 << 7)
+#define OMAP24XX_CLKOUT_DIV_SHIFT			3
+#define OMAP24XX_CLKOUT_DIV_MASK			(0x7 << 3)
+#define OMAP24XX_CLKOUT_SOURCE_SHIFT			0
+#define OMAP24XX_CLKOUT_SOURCE_MASK			(0x3 << 0)
+
+/* PRCM_CLKEMUL_CTRL */
+#define OMAP24XX_EMULATION_EN_SHIFT			0
+#define OMAP24XX_EMULATION_EN				(1 << 0)
+
+/* PRCM_CLKCFG_CTRL */
+#define OMAP24XX_VALID_CONFIG				(1 << 0)
+
+/* PRCM_CLKCFG_STATUS */
+#define OMAP24XX_CONFIG_STATUS				(1 << 0)
+
+/* PRCM_VOLTSETUP specific bits */
+
+/* PRCM_CLKSSETUP specific bits */
+
+/* PRCM_POLCTRL */
+#define OMAP2420_CLKOUT2_POL				(1 << 10)
+#define OMAP24XX_CLKOUT_POL				(1 << 9)
+#define OMAP24XX_CLKREQ_POL				(1 << 8)
+#define OMAP2430_USE_POWEROK				(1 << 2)
+#define OMAP2430_POWEROK_POL				(1 << 1)
+#define OMAP24XX_EXTVOL_POL				(1 << 0)
+
+/* RM_RSTST_MPU specific bits */
+/* 2430 calls GLOBALWMPU_RST "GLOBALWARM_RST" instead */
+
+/* PM_WKDEP_MPU specific bits */
+#define OMAP2430_PM_WKDEP_MPU_EN_MDM			(1 << 5)
+#define OMAP24XX_PM_WKDEP_MPU_EN_DSP			(1 << 2)
+
+/* PM_EVGENCTRL_MPU specific bits */
+
+/* PM_EVEGENONTIM_MPU specific bits */
+
+/* PM_EVEGENOFFTIM_MPU specific bits */
+
+/* PM_PWSTCTRL_MPU specific bits */
+#define OMAP2430_FORCESTATE				(1 << 18)
+
+/* PM_PWSTST_MPU specific bits */
+/* INTRANSITION, CLKACTIVITY, POWERSTATE, MEMSTATEST are 2430 only */
+
+/* PM_WKEN1_CORE specific bits */
+
+/* PM_WKEN2_CORE specific bits */
+
+/* PM_WKST1_CORE specific bits*/
+
+/* PM_WKST2_CORE specific bits */
+
+/* PM_WKDEP_CORE specific bits*/
+#define OMAP2430_PM_WKDEP_CORE_EN_MDM			(1 << 5)
+#define OMAP24XX_PM_WKDEP_CORE_EN_GFX			(1 << 3)
+#define OMAP24XX_PM_WKDEP_CORE_EN_DSP			(1 << 2)
+
+/* PM_PWSTCTRL_CORE specific bits */
+#define OMAP24XX_MEMORYCHANGE				(1 << 20)
+#define OMAP24XX_MEM3ONSTATE_SHIFT			14
+#define OMAP24XX_MEM3ONSTATE_MASK			(0x3 << 14)
+#define OMAP24XX_MEM2ONSTATE_SHIFT			12
+#define OMAP24XX_MEM2ONSTATE_MASK			(0x3 << 12)
+#define OMAP24XX_MEM1ONSTATE_SHIFT			10
+#define OMAP24XX_MEM1ONSTATE_MASK			(0x3 << 10)
+#define OMAP24XX_MEM3RETSTATE				(1 << 5)
+#define OMAP24XX_MEM2RETSTATE				(1 << 4)
+#define OMAP24XX_MEM1RETSTATE				(1 << 3)
+
+/* PM_PWSTST_CORE specific bits */
+#define OMAP24XX_MEM3STATEST_SHIFT			14
+#define OMAP24XX_MEM3STATEST_MASK			(0x3 << 14)
+#define OMAP24XX_MEM2STATEST_SHIFT			12
+#define OMAP24XX_MEM2STATEST_MASK			(0x3 << 12)
+#define OMAP24XX_MEM1STATEST_SHIFT			10
+#define OMAP24XX_MEM1STATEST_MASK			(0x3 << 10)
+
+/* RM_RSTCTRL_GFX */
+#define OMAP24XX_GFX_RST				(1 << 0)
+
+/* RM_RSTST_GFX specific bits */
+#define OMAP24XX_GFX_SW_RST				(1 << 4)
+
+/* PM_PWSTCTRL_GFX specific bits */
+
+/* PM_WKDEP_GFX specific bits */
+/* 2430 often calls EN_WAKEUP "EN_WKUP" */
+
+/* RM_RSTCTRL_WKUP specific bits */
+
+/* RM_RSTTIME_WKUP specific bits */
+
+/* RM_RSTST_WKUP specific bits */
+/* 2430 calls EXTWMPU_RST "EXTWARM_RST" and GLOBALWMPU_RST "GLOBALWARM_RST" */
+#define OMAP24XX_EXTWMPU_RST				(1 << 6)
+#define OMAP24XX_SECU_WD_RST				(1 << 5)
+#define OMAP24XX_MPU_WD_RST				(1 << 4)
+#define OMAP24XX_SECU_VIOL_RST				(1 << 3)
+
+/* PM_WKEN_WKUP specific bits */
+
+/* PM_WKST_WKUP specific bits */
+
+/* RM_RSTCTRL_DSP */
+#define OMAP2420_RST_IVA				(1 << 8)
+#define OMAP24XX_RST2_DSP				(1 << 1)
+#define OMAP24XX_RST1_DSP				(1 << 0)
+
+/* RM_RSTST_DSP specific bits */
+/* 2430 calls GLOBALWMPU_RST "GLOBALWARM_RST" */
+#define OMAP2420_IVA_SW_RST				(1 << 8)
+#define OMAP24XX_DSP_SW_RST2				(1 << 5)
+#define OMAP24XX_DSP_SW_RST1				(1 << 4)
+
+/* PM_WKDEP_DSP specific bits */
+
+/* PM_PWSTCTRL_DSP specific bits */
+/* 2430 only: MEMONSTATE, MEMRETSTATE */
+#define OMAP2420_MEMIONSTATE_SHIFT			12
+#define OMAP2420_MEMIONSTATE_MASK			(0x3 << 12)
+#define OMAP2420_MEMIRETSTATE				(1 << 4)
+
+/* PM_PWSTST_DSP specific bits */
+/* MEMSTATEST is 2430 only */
+#define OMAP2420_MEMISTATEST_SHIFT			12
+#define OMAP2420_MEMISTATEST_MASK			(0x3 << 12)
+
+/* PRCM_IRQSTATUS_DSP specific bits */
+
+/* PRCM_IRQENABLE_DSP specific bits */
+
+/* RM_RSTCTRL_MDM */
+/* 2430 only */
+#define OMAP2430_PWRON1_MDM				(1 << 1)
+#define OMAP2430_RST1_MDM				(1 << 0)
+
+/* RM_RSTST_MDM specific bits */
+/* 2430 only */
+#define OMAP2430_MDM_SECU_VIOL				(1 << 6)
+#define OMAP2430_MDM_SW_PWRON1				(1 << 5)
+#define OMAP2430_MDM_SW_RST1				(1 << 4)
+
+/* PM_WKEN_MDM */
+/* 2430 only */
+#define OMAP2430_PM_WKEN_MDM_EN_MDM			(1 << 0)
+
+/* PM_WKST_MDM specific bits */
+/* 2430 only */
+
+/* PM_WKDEP_MDM specific bits */
+/* 2430 only */
+
+/* PM_PWSTCTRL_MDM specific bits */
+/* 2430 only */
+#define OMAP2430_KILLDOMAINWKUP				(1 << 19)
+
+/* PM_PWSTST_MDM specific bits */
+/* 2430 only */
+
+/* PRCM_IRQSTATUS_IVA */
+/* 2420 only */
+
+/* PRCM_IRQENABLE_IVA */
+/* 2420 only */
+
+#endif