diff options
Diffstat (limited to 'arch/arm/mach-omap2/prcm-common.h')
| -rw-r--r-- | arch/arm/mach-omap2/prcm-common.h | 140 |
1 files changed, 132 insertions, 8 deletions
diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h index 87486f55978..a8e4b582c52 100644 --- a/arch/arm/mach-omap2/prcm-common.h +++ b/arch/arm/mach-omap2/prcm-common.h @@ -4,7 +4,7 @@ /* * OMAP2/3 PRCM base and module definitions * - * Copyright (C) 2007-2009 Texas Instruments, Inc. + * Copyright (C) 2007-2009, 2011 Texas Instruments, Inc. * Copyright (C) 2007-2009 Nokia Corporation * * Written by Paul Walmsley @@ -48,6 +48,18 @@ #define OMAP3430_NEON_MOD 0xb00 #define OMAP3430ES2_USBHOST_MOD 0xc00 +/* + * TI81XX PRM module offsets + */ +#define TI81XX_PRM_DEVICE_MOD 0x0000 +#define TI816X_PRM_ACTIVE_MOD 0x0a00 +#define TI81XX_PRM_DEFAULT_MOD 0x0b00 +#define TI816X_PRM_IVAHD0_MOD 0x0c00 +#define TI816X_PRM_IVAHD1_MOD 0x0d00 +#define TI816X_PRM_IVAHD2_MOD 0x0e00 +#define TI816X_PRM_SGX_MOD 0x0f00 +#define TI81XX_PRM_ALWON_MOD 0x1800 + /* 24XX register bits shared between CM & PRM registers */ /* CM_FCLKEN1_CORE, CM_ICLKEN1_CORE, PM_WKEN1_CORE shared bits */ @@ -109,6 +121,8 @@ #define OMAP2430_EN_MDM_INTC_MASK (1 << 11) #define OMAP2430_EN_USBHS_SHIFT 6 #define OMAP2430_EN_USBHS_MASK (1 << 6) +#define OMAP24XX_EN_GPMC_SHIFT 1 +#define OMAP24XX_EN_GPMC_MASK (1 << 1) /* CM_IDLEST1_CORE, PM_WKST1_CORE shared bits */ #define OMAP2420_ST_MMC_SHIFT 26 @@ -121,6 +135,10 @@ #define OMAP24XX_ST_MCSPI2_MASK (1 << 18) #define OMAP24XX_ST_MCSPI1_SHIFT 17 #define OMAP24XX_ST_MCSPI1_MASK (1 << 17) +#define OMAP24XX_ST_MCBSP2_SHIFT 16 +#define OMAP24XX_ST_MCBSP2_MASK (1 << 16) +#define OMAP24XX_ST_MCBSP1_SHIFT 15 +#define OMAP24XX_ST_MCBSP1_MASK (1 << 15) #define OMAP24XX_ST_GPT12_SHIFT 14 #define OMAP24XX_ST_GPT12_MASK (1 << 14) #define OMAP24XX_ST_GPT11_SHIFT 13 @@ -173,6 +191,8 @@ /* PM_WKST_WKUP, CM_IDLEST_WKUP shared bits */ #define OMAP24XX_ST_GPIOS_SHIFT 2 #define OMAP24XX_ST_GPIOS_MASK (1 << 2) +#define OMAP24XX_ST_32KSYNC_SHIFT 1 +#define OMAP24XX_ST_32KSYNC_MASK (1 << 1) #define OMAP24XX_ST_GPT1_SHIFT 0 #define OMAP24XX_ST_GPT1_MASK (1 << 0) @@ -191,10 +211,14 @@ #define OMAP3430_AUTOIDLE_MASK (1 << 0) /* CM_FCLKEN1_CORE, CM_ICLKEN1_CORE, PM_WKEN1_CORE shared bits */ +#define OMAP3430_EN_MMC3_MASK (1 << 30) +#define OMAP3430_EN_MMC3_SHIFT 30 #define OMAP3430_EN_MMC2_MASK (1 << 25) #define OMAP3430_EN_MMC2_SHIFT 25 #define OMAP3430_EN_MMC1_MASK (1 << 24) #define OMAP3430_EN_MMC1_SHIFT 24 +#define AM35XX_EN_UART4_MASK (1 << 23) +#define AM35XX_EN_UART4_SHIFT 23 #define OMAP3430_EN_MCSPI4_MASK (1 << 21) #define OMAP3430_EN_MCSPI4_SHIFT 21 #define OMAP3430_EN_MCSPI3_MASK (1 << 20) @@ -231,6 +255,8 @@ #define OMAP3430_EN_HSOTGUSB_SHIFT 4 /* PM_WKST1_CORE, CM_IDLEST1_CORE shared bits */ +#define OMAP3430_ST_MMC3_SHIFT 30 +#define OMAP3430_ST_MMC3_MASK (1 << 30) #define OMAP3430_ST_MMC2_SHIFT 25 #define OMAP3430_ST_MMC2_MASK (1 << 25) #define OMAP3430_ST_MMC1_SHIFT 24 @@ -297,6 +323,8 @@ #define OMAP3430_ST_SR1_MASK (1 << 6) #define OMAP3430_ST_GPIO1_SHIFT 3 #define OMAP3430_ST_GPIO1_MASK (1 << 3) +#define OMAP3430_ST_32KSYNC_SHIFT 2 +#define OMAP3430_ST_32KSYNC_MASK (1 << 2) #define OMAP3430_ST_GPT12_SHIFT 1 #define OMAP3430_ST_GPT12_MASK (1 << 1) #define OMAP3430_ST_GPT1_SHIFT 0 @@ -390,16 +418,112 @@ #define OMAP3430_EN_CORE_MASK (1 << 0) + /* - * MAX_MODULE_HARDRESET_WAIT: Maximum microseconds to wait for an OMAP - * submodule to exit hardreset + * Maximum time(us) it takes to output the signal WUCLKOUT of the last + * pad of the I/O ring after asserting WUCLKIN high. Tero measured + * the actual time at 7 to 8 microseconds on OMAP3 and 2 to 4 + * microseconds on OMAP4, so this timeout may be too high. */ -#define MAX_MODULE_HARDRESET_WAIT 10000 - +#define MAX_IOPAD_LATCH_TIME 100 # ifndef __ASSEMBLER__ -extern void __iomem *prm_base; -extern void __iomem *cm_base; -extern void __iomem *cm2_base; + +#include <linux/delay.h> + +/** + * omap_test_timeout - busy-loop, testing a condition + * @cond: condition to test until it evaluates to true + * @timeout: maximum number of microseconds in the timeout + * @index: loop index (integer) + * + * Loop waiting for @cond to become true or until at least @timeout + * microseconds have passed. To use, define some integer @index in the + * calling code. After running, if @index == @timeout, then the loop has + * timed out. + */ +#define omap_test_timeout(cond, timeout, index) \ +({ \ + for (index = 0; index < timeout; index++) { \ + if (cond) \ + break; \ + udelay(1); \ + } \ +}) + +/** + * struct omap_prcm_irq - describes a PRCM interrupt bit + * @name: a short name describing the interrupt type, e.g. "wkup" or "io" + * @offset: the bit shift of the interrupt inside the IRQ{ENABLE,STATUS} regs + * @priority: should this interrupt be handled before @priority=false IRQs? + * + * Describes interrupt bits inside the PRM_IRQ{ENABLE,STATUS}_MPU* registers. + * On systems with multiple PRM MPU IRQ registers, the bitfields read from + * the registers are concatenated, so @offset could be > 31 on these systems - + * see omap_prm_irq_handler() for more details. I/O ring interrupts should + * have @priority set to true. + */ +struct omap_prcm_irq { + const char *name; + unsigned int offset; + bool priority; +}; + +/** + * struct omap_prcm_irq_setup - PRCM interrupt controller details + * @ack: PRM register offset for the first PRM_IRQSTATUS_MPU register + * @mask: PRM register offset for the first PRM_IRQENABLE_MPU register + * @nr_regs: number of PRM_IRQ{STATUS,ENABLE}_MPU* registers + * @nr_irqs: number of entries in the @irqs array + * @irqs: ptr to an array of PRCM interrupt bits (see @nr_irqs) + * @irq: MPU IRQ asserted when a PRCM interrupt arrives + * @read_pending_irqs: fn ptr to determine if any PRCM IRQs are pending + * @ocp_barrier: fn ptr to force buffered PRM writes to complete + * @save_and_clear_irqen: fn ptr to save and clear IRQENABLE regs + * @restore_irqen: fn ptr to save and clear IRQENABLE regs + * @reconfigure_io_chain: fn ptr to reconfigure IO chain + * @saved_mask: IRQENABLE regs are saved here during suspend + * @priority_mask: 1 bit per IRQ, set to 1 if omap_prcm_irq.priority = true + * @base_irq: base dynamic IRQ number, returned from irq_alloc_descs() in init + * @suspended: set to true after Linux suspend code has called our ->prepare() + * @suspend_save_flag: set to true after IRQ masks have been saved and disabled + * + * @saved_mask, @priority_mask, @base_irq, @suspended, and + * @suspend_save_flag are populated dynamically, and are not to be + * specified in static initializers. + */ +struct omap_prcm_irq_setup { + u16 ack; + u16 mask; + u8 nr_regs; + u8 nr_irqs; + const struct omap_prcm_irq *irqs; + int irq; + void (*read_pending_irqs)(unsigned long *events); + void (*ocp_barrier)(void); + void (*save_and_clear_irqen)(u32 *saved_mask); + void (*restore_irqen)(u32 *saved_mask); + void (*reconfigure_io_chain)(void); + u32 *saved_mask; + u32 *priority_mask; + int base_irq; + bool suspended; + bool suspend_save_flag; +}; + +/* OMAP_PRCM_IRQ: convenience macro for creating struct omap_prcm_irq records */ +#define OMAP_PRCM_IRQ(_name, _offset, _priority) { \ + .name = _name, \ + .offset = _offset, \ + .priority = _priority \ + } + +extern void omap_prcm_irq_cleanup(void); +extern int omap_prcm_register_chain_handler( + struct omap_prcm_irq_setup *irq_setup); +extern int omap_prcm_event_to_irq(const char *event); +extern void omap_prcm_irq_prepare(void); +extern void omap_prcm_irq_complete(void); + # endif #endif |