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, 317 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h
new file mode 100644
index 000000000000..cacb34086e35
--- /dev/null
+++ b/arch/arm/mach-omap2/prcm-common.h
@@ -0,0 +1,317 @@
+#ifndef __ARCH_ASM_MACH_OMAP2_PRCM_COMMON_H
+#define __ARCH_ASM_MACH_OMAP2_PRCM_COMMON_H
+
+/*
+ * OMAP2/3 PRCM base and module definitions
+ *
+ * Copyright (C) 2007-2008 Texas Instruments, Inc.
+ * Copyright (C) 2007-2008 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.
+ */
+
+
+/* Module offsets from both CM_BASE & PRM_BASE */
+
+/*
+ * Offsets that are the same on 24xx and 34xx
+ *
+ * Technically, in terms of the TRM, OCP_MOD is 34xx only; PLL_MOD is
+ * CCR_MOD on 3430; and GFX_MOD only exists < 3430ES2.
+ */
+#define OCP_MOD						0x000
+#define MPU_MOD						0x100
+#define CORE_MOD					0x200
+#define GFX_MOD						0x300
+#define WKUP_MOD					0x400
+#define PLL_MOD						0x500
+
+
+/* Chip-specific module offsets */
+#define OMAP24XX_DSP_MOD				0x800
+
+#define OMAP2430_MDM_MOD				0xc00
+
+/* IVA2 module is < base on 3430 */
+#define OMAP3430_IVA2_MOD				-0x800
+#define OMAP3430ES2_SGX_MOD				GFX_MOD
+#define OMAP3430_CCR_MOD				PLL_MOD
+#define OMAP3430_DSS_MOD				0x600
+#define OMAP3430_CAM_MOD				0x700
+#define OMAP3430_PER_MOD				0x800
+#define OMAP3430_EMU_MOD				0x900
+#define OMAP3430_GR_MOD					0xa00
+#define OMAP3430_NEON_MOD				0xb00
+#define OMAP3430ES2_USBHOST_MOD				0xc00
+
+
+/* 24XX register bits shared between CM & PRM registers */
+
+/* CM_FCLKEN1_CORE, CM_ICLKEN1_CORE, PM_WKEN1_CORE shared bits */
+#define OMAP2420_EN_MMC_SHIFT				26
+#define OMAP2420_EN_MMC					(1 << 26)
+#define OMAP24XX_EN_UART2_SHIFT				22
+#define OMAP24XX_EN_UART2				(1 << 22)
+#define OMAP24XX_EN_UART1_SHIFT				21
+#define OMAP24XX_EN_UART1				(1 << 21)
+#define OMAP24XX_EN_MCSPI2_SHIFT			18
+#define OMAP24XX_EN_MCSPI2				(1 << 18)
+#define OMAP24XX_EN_MCSPI1_SHIFT			17
+#define OMAP24XX_EN_MCSPI1				(1 << 17)
+#define OMAP24XX_EN_MCBSP2_SHIFT			16
+#define OMAP24XX_EN_MCBSP2				(1 << 16)
+#define OMAP24XX_EN_MCBSP1_SHIFT			15
+#define OMAP24XX_EN_MCBSP1				(1 << 15)
+#define OMAP24XX_EN_GPT12_SHIFT				14
+#define OMAP24XX_EN_GPT12				(1 << 14)
+#define OMAP24XX_EN_GPT11_SHIFT				13
+#define OMAP24XX_EN_GPT11				(1 << 13)
+#define OMAP24XX_EN_GPT10_SHIFT				12
+#define OMAP24XX_EN_GPT10				(1 << 12)
+#define OMAP24XX_EN_GPT9_SHIFT				11
+#define OMAP24XX_EN_GPT9				(1 << 11)
+#define OMAP24XX_EN_GPT8_SHIFT				10
+#define OMAP24XX_EN_GPT8				(1 << 10)
+#define OMAP24XX_EN_GPT7_SHIFT				9
+#define OMAP24XX_EN_GPT7				(1 << 9)
+#define OMAP24XX_EN_GPT6_SHIFT				8
+#define OMAP24XX_EN_GPT6				(1 << 8)
+#define OMAP24XX_EN_GPT5_SHIFT				7
+#define OMAP24XX_EN_GPT5				(1 << 7)
+#define OMAP24XX_EN_GPT4_SHIFT				6
+#define OMAP24XX_EN_GPT4				(1 << 6)
+#define OMAP24XX_EN_GPT3_SHIFT				5
+#define OMAP24XX_EN_GPT3				(1 << 5)
+#define OMAP24XX_EN_GPT2_SHIFT				4
+#define OMAP24XX_EN_GPT2				(1 << 4)
+#define OMAP2420_EN_VLYNQ_SHIFT				3
+#define OMAP2420_EN_VLYNQ				(1 << 3)
+
+/* CM_FCLKEN2_CORE, CM_ICLKEN2_CORE, PM_WKEN2_CORE shared bits */
+#define OMAP2430_EN_GPIO5_SHIFT				10
+#define OMAP2430_EN_GPIO5				(1 << 10)
+#define OMAP2430_EN_MCSPI3_SHIFT			9
+#define OMAP2430_EN_MCSPI3				(1 << 9)
+#define OMAP2430_EN_MMCHS2_SHIFT			8
+#define OMAP2430_EN_MMCHS2				(1 << 8)
+#define OMAP2430_EN_MMCHS1_SHIFT			7
+#define OMAP2430_EN_MMCHS1				(1 << 7)
+#define OMAP24XX_EN_UART3_SHIFT				2
+#define OMAP24XX_EN_UART3				(1 << 2)
+#define OMAP24XX_EN_USB_SHIFT				0
+#define OMAP24XX_EN_USB					(1 << 0)
+
+/* CM_ICLKEN2_CORE, PM_WKEN2_CORE shared bits */
+#define OMAP2430_EN_MDM_INTC_SHIFT			11
+#define OMAP2430_EN_MDM_INTC				(1 << 11)
+#define OMAP2430_EN_USBHS_SHIFT				6
+#define OMAP2430_EN_USBHS				(1 << 6)
+
+/* CM_IDLEST1_CORE, PM_WKST1_CORE shared bits */
+#define OMAP2420_ST_MMC					(1 << 26)
+#define OMAP24XX_ST_UART2				(1 << 22)
+#define OMAP24XX_ST_UART1				(1 << 21)
+#define OMAP24XX_ST_MCSPI2				(1 << 18)
+#define OMAP24XX_ST_MCSPI1				(1 << 17)
+#define OMAP24XX_ST_GPT12				(1 << 14)
+#define OMAP24XX_ST_GPT11				(1 << 13)
+#define OMAP24XX_ST_GPT10				(1 << 12)
+#define OMAP24XX_ST_GPT9				(1 << 11)
+#define OMAP24XX_ST_GPT8				(1 << 10)
+#define OMAP24XX_ST_GPT7				(1 << 9)
+#define OMAP24XX_ST_GPT6				(1 << 8)
+#define OMAP24XX_ST_GPT5				(1 << 7)
+#define OMAP24XX_ST_GPT4				(1 << 6)
+#define OMAP24XX_ST_GPT3				(1 << 5)
+#define OMAP24XX_ST_GPT2				(1 << 4)
+#define OMAP2420_ST_VLYNQ				(1 << 3)
+
+/* CM_IDLEST2_CORE, PM_WKST2_CORE shared bits */
+#define OMAP2430_ST_MDM_INTC				(1 << 11)
+#define OMAP2430_ST_GPIO5				(1 << 10)
+#define OMAP2430_ST_MCSPI3				(1 << 9)
+#define OMAP2430_ST_MMCHS2				(1 << 8)
+#define OMAP2430_ST_MMCHS1				(1 << 7)
+#define OMAP2430_ST_USBHS				(1 << 6)
+#define OMAP24XX_ST_UART3				(1 << 2)
+#define OMAP24XX_ST_USB					(1 << 0)
+
+/* CM_FCLKEN_WKUP, CM_ICLKEN_WKUP, PM_WKEN_WKUP shared bits */
+#define OMAP24XX_EN_GPIOS_SHIFT				2
+#define OMAP24XX_EN_GPIOS				(1 << 2)
+#define OMAP24XX_EN_GPT1_SHIFT				0
+#define OMAP24XX_EN_GPT1				(1 << 0)
+
+/* PM_WKST_WKUP, CM_IDLEST_WKUP shared bits */
+#define OMAP24XX_ST_GPIOS				(1 << 2)
+#define OMAP24XX_ST_GPT1				(1 << 0)
+
+/* CM_IDLEST_MDM and PM_WKST_MDM shared bits */
+#define OMAP2430_ST_MDM					(1 << 0)
+
+
+/* 3430 register bits shared between CM & PRM registers */
+
+/* CM_REVISION, PRM_REVISION shared bits */
+#define OMAP3430_REV_SHIFT				0
+#define OMAP3430_REV_MASK				(0xff << 0)
+
+/* CM_SYSCONFIG, PRM_SYSCONFIG shared bits */
+#define OMAP3430_AUTOIDLE				(1 << 0)
+
+/* CM_FCLKEN1_CORE, CM_ICLKEN1_CORE, PM_WKEN1_CORE shared bits */
+#define OMAP3430_EN_MMC2				(1 << 25)
+#define OMAP3430_EN_MMC2_SHIFT				25
+#define OMAP3430_EN_MMC1				(1 << 24)
+#define OMAP3430_EN_MMC1_SHIFT				24
+#define OMAP3430_EN_MCSPI4				(1 << 21)
+#define OMAP3430_EN_MCSPI4_SHIFT			21
+#define OMAP3430_EN_MCSPI3				(1 << 20)
+#define OMAP3430_EN_MCSPI3_SHIFT			20
+#define OMAP3430_EN_MCSPI2				(1 << 19)
+#define OMAP3430_EN_MCSPI2_SHIFT			19
+#define OMAP3430_EN_MCSPI1				(1 << 18)
+#define OMAP3430_EN_MCSPI1_SHIFT			18
+#define OMAP3430_EN_I2C3				(1 << 17)
+#define OMAP3430_EN_I2C3_SHIFT				17
+#define OMAP3430_EN_I2C2				(1 << 16)
+#define OMAP3430_EN_I2C2_SHIFT				16
+#define OMAP3430_EN_I2C1				(1 << 15)
+#define OMAP3430_EN_I2C1_SHIFT				15
+#define OMAP3430_EN_UART2				(1 << 14)
+#define OMAP3430_EN_UART2_SHIFT				14
+#define OMAP3430_EN_UART1				(1 << 13)
+#define OMAP3430_EN_UART1_SHIFT				13
+#define OMAP3430_EN_GPT11				(1 << 12)
+#define OMAP3430_EN_GPT11_SHIFT				12
+#define OMAP3430_EN_GPT10				(1 << 11)
+#define OMAP3430_EN_GPT10_SHIFT				11
+#define OMAP3430_EN_MCBSP5				(1 << 10)
+#define OMAP3430_EN_MCBSP5_SHIFT			10
+#define OMAP3430_EN_MCBSP1				(1 << 9)
+#define OMAP3430_EN_MCBSP1_SHIFT			9
+#define OMAP3430_EN_FSHOSTUSB				(1 << 5)
+#define OMAP3430_EN_FSHOSTUSB_SHIFT			5
+#define OMAP3430_EN_D2D					(1 << 3)
+#define OMAP3430_EN_D2D_SHIFT				3
+
+/* CM_ICLKEN1_CORE, PM_WKEN1_CORE shared bits */
+#define OMAP3430_EN_HSOTGUSB				(1 << 4)
+#define OMAP3430_EN_HSOTGUSB_SHIFT				4
+
+/* PM_WKST1_CORE, CM_IDLEST1_CORE shared bits */
+#define OMAP3430_ST_MMC2				(1 << 25)
+#define OMAP3430_ST_MMC1				(1 << 24)
+#define OMAP3430_ST_MCSPI4				(1 << 21)
+#define OMAP3430_ST_MCSPI3				(1 << 20)
+#define OMAP3430_ST_MCSPI2				(1 << 19)
+#define OMAP3430_ST_MCSPI1				(1 << 18)
+#define OMAP3430_ST_I2C3				(1 << 17)
+#define OMAP3430_ST_I2C2				(1 << 16)
+#define OMAP3430_ST_I2C1				(1 << 15)
+#define OMAP3430_ST_UART2				(1 << 14)
+#define OMAP3430_ST_UART1				(1 << 13)
+#define OMAP3430_ST_GPT11				(1 << 12)
+#define OMAP3430_ST_GPT10				(1 << 11)
+#define OMAP3430_ST_MCBSP5				(1 << 10)
+#define OMAP3430_ST_MCBSP1				(1 << 9)
+#define OMAP3430_ST_FSHOSTUSB				(1 << 5)
+#define OMAP3430_ST_HSOTGUSB				(1 << 4)
+#define OMAP3430_ST_D2D					(1 << 3)
+
+/* CM_FCLKEN_WKUP, CM_ICLKEN_WKUP, PM_WKEN_WKUP shared bits */
+#define OMAP3430_EN_GPIO1				(1 << 3)
+#define OMAP3430_EN_GPIO1_SHIFT				3
+#define OMAP3430_EN_GPT1				(1 << 0)
+#define OMAP3430_EN_GPT1_SHIFT				0
+
+/* CM_FCLKEN_WKUP, PM_WKEN_WKUP shared bits */
+#define OMAP3430_EN_SR2					(1 << 7)
+#define OMAP3430_EN_SR2_SHIFT				7
+#define OMAP3430_EN_SR1					(1 << 6)
+#define OMAP3430_EN_SR1_SHIFT				6
+
+/* CM_ICLKEN_WKUP, PM_WKEN_WKUP shared bits */
+#define OMAP3430_EN_GPT12				(1 << 1)
+#define OMAP3430_EN_GPT12_SHIFT				1
+
+/* CM_IDLEST_WKUP, PM_WKST_WKUP shared bits */
+#define OMAP3430_ST_SR2					(1 << 7)
+#define OMAP3430_ST_SR1					(1 << 6)
+#define OMAP3430_ST_GPIO1				(1 << 3)
+#define OMAP3430_ST_GPT12				(1 << 1)
+#define OMAP3430_ST_GPT1				(1 << 0)
+
+/*
+ * CM_SLEEPDEP_GFX, CM_SLEEPDEP_DSS, CM_SLEEPDEP_CAM,
+ * CM_SLEEPDEP_PER, PM_WKDEP_IVA2, PM_WKDEP_GFX,
+ * PM_WKDEP_DSS, PM_WKDEP_CAM, PM_WKDEP_PER, PM_WKDEP_NEON shared bits
+ */
+#define OMAP3430_EN_MPU					(1 << 1)
+#define OMAP3430_EN_MPU_SHIFT				1
+
+/* CM_FCLKEN_PER, CM_ICLKEN_PER, PM_WKEN_PER shared bits */
+#define OMAP3430_EN_GPIO6				(1 << 17)
+#define OMAP3430_EN_GPIO6_SHIFT				17
+#define OMAP3430_EN_GPIO5				(1 << 16)
+#define OMAP3430_EN_GPIO5_SHIFT				16
+#define OMAP3430_EN_GPIO4				(1 << 15)
+#define OMAP3430_EN_GPIO4_SHIFT				15
+#define OMAP3430_EN_GPIO3				(1 << 14)
+#define OMAP3430_EN_GPIO3_SHIFT				14
+#define OMAP3430_EN_GPIO2				(1 << 13)
+#define OMAP3430_EN_GPIO2_SHIFT				13
+#define OMAP3430_EN_UART3				(1 << 11)
+#define OMAP3430_EN_UART3_SHIFT				11
+#define OMAP3430_EN_GPT9				(1 << 10)
+#define OMAP3430_EN_GPT9_SHIFT				10
+#define OMAP3430_EN_GPT8				(1 << 9)
+#define OMAP3430_EN_GPT8_SHIFT				9
+#define OMAP3430_EN_GPT7				(1 << 8)
+#define OMAP3430_EN_GPT7_SHIFT				8
+#define OMAP3430_EN_GPT6				(1 << 7)
+#define OMAP3430_EN_GPT6_SHIFT				7
+#define OMAP3430_EN_GPT5				(1 << 6)
+#define OMAP3430_EN_GPT5_SHIFT				6
+#define OMAP3430_EN_GPT4				(1 << 5)
+#define OMAP3430_EN_GPT4_SHIFT				5
+#define OMAP3430_EN_GPT3				(1 << 4)
+#define OMAP3430_EN_GPT3_SHIFT				4
+#define OMAP3430_EN_GPT2				(1 << 3)
+#define OMAP3430_EN_GPT2_SHIFT				3
+
+/* CM_FCLKEN_PER, CM_ICLKEN_PER, PM_WKEN_PER, PM_WKST_PER shared bits */
+/* XXX Possible TI documentation bug: should the PM_WKST_PER EN_* bits
+ * be ST_* bits instead? */
+#define OMAP3430_EN_MCBSP4				(1 << 2)
+#define OMAP3430_EN_MCBSP4_SHIFT			2
+#define OMAP3430_EN_MCBSP3				(1 << 1)
+#define OMAP3430_EN_MCBSP3_SHIFT			1
+#define OMAP3430_EN_MCBSP2				(1 << 0)
+#define OMAP3430_EN_MCBSP2_SHIFT			0
+
+/* CM_IDLEST_PER, PM_WKST_PER shared bits */
+#define OMAP3430_ST_GPIO6				(1 << 17)
+#define OMAP3430_ST_GPIO5				(1 << 16)
+#define OMAP3430_ST_GPIO4				(1 << 15)
+#define OMAP3430_ST_GPIO3				(1 << 14)
+#define OMAP3430_ST_GPIO2				(1 << 13)
+#define OMAP3430_ST_UART3				(1 << 11)
+#define OMAP3430_ST_GPT9				(1 << 10)
+#define OMAP3430_ST_GPT8				(1 << 9)
+#define OMAP3430_ST_GPT7				(1 << 8)
+#define OMAP3430_ST_GPT6				(1 << 7)
+#define OMAP3430_ST_GPT5				(1 << 6)
+#define OMAP3430_ST_GPT4				(1 << 5)
+#define OMAP3430_ST_GPT3				(1 << 4)
+#define OMAP3430_ST_GPT2				(1 << 3)
+
+/* CM_SLEEPDEP_PER, PM_WKDEP_IVA2, PM_WKDEP_MPU, PM_WKDEP_PER shared bits */
+#define OMAP3430_EN_CORE				(1 << 0)
+
+#endif
+