From 2a296c8f89bc6aaf91b255c7d631fcbbfaf840ec Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Tue, 2 Oct 2012 17:41:35 -0700 Subject: ARM: OMAP: Make plat/omap_hwmod.h local to mach-omap2 Let's make omap_hwmod local to mach-omap2 for ARM common zImage support. Signed-off-by: Tony Lindgren --- arch/arm/plat-omap/include/plat/omap_hwmod.h | 676 --------------------------- 1 file changed, 676 deletions(-) delete mode 100644 arch/arm/plat-omap/include/plat/omap_hwmod.h (limited to 'arch/arm/plat-omap') diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h deleted file mode 100644 index b3349f7b1a2..00000000000 --- a/arch/arm/plat-omap/include/plat/omap_hwmod.h +++ /dev/null @@ -1,676 +0,0 @@ -/* - * omap_hwmod macros, structures - * - * Copyright (C) 2009-2011 Nokia Corporation - * Copyright (C) 2012 Texas Instruments, Inc. - * Paul Walmsley - * - * Created in collaboration with (alphabetical order): Benoît Cousson, - * Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram Pandita, Sakari - * Poussa, Anand Sawant, Santosh Shilimkar, Richard Woodruff - * - * 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. - * - * These headers and macros are used to define OMAP on-chip module - * data and their integration with other OMAP modules and Linux. - * Copious documentation and references can also be found in the - * omap_hwmod code, in arch/arm/mach-omap2/omap_hwmod.c (as of this - * writing). - * - * To do: - * - add interconnect error log structures - * - add pinmuxing - * - init_conn_id_bit (CONNID_BIT_VECTOR) - * - implement default hwmod SMS/SDRC flags? - * - move Linux-specific data ("non-ROM data") out - * - */ -#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD_H -#define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD_H - -#include -#include -#include -#include -#include -#include - -struct omap_device; - -extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type1; -extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2; -extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type3; - -/* - * OCP SYSCONFIG bit shifts/masks TYPE1. These are for IPs compliant - * with the original PRCM protocol defined for OMAP2420 - */ -#define SYSC_TYPE1_MIDLEMODE_SHIFT 12 -#define SYSC_TYPE1_MIDLEMODE_MASK (0x3 << SYSC_TYPE1_MIDLEMODE_SHIFT) -#define SYSC_TYPE1_CLOCKACTIVITY_SHIFT 8 -#define SYSC_TYPE1_CLOCKACTIVITY_MASK (0x3 << SYSC_TYPE1_CLOCKACTIVITY_SHIFT) -#define SYSC_TYPE1_SIDLEMODE_SHIFT 3 -#define SYSC_TYPE1_SIDLEMODE_MASK (0x3 << SYSC_TYPE1_SIDLEMODE_SHIFT) -#define SYSC_TYPE1_ENAWAKEUP_SHIFT 2 -#define SYSC_TYPE1_ENAWAKEUP_MASK (1 << SYSC_TYPE1_ENAWAKEUP_SHIFT) -#define SYSC_TYPE1_SOFTRESET_SHIFT 1 -#define SYSC_TYPE1_SOFTRESET_MASK (1 << SYSC_TYPE1_SOFTRESET_SHIFT) -#define SYSC_TYPE1_AUTOIDLE_SHIFT 0 -#define SYSC_TYPE1_AUTOIDLE_MASK (1 << SYSC_TYPE1_AUTOIDLE_SHIFT) - -/* - * OCP SYSCONFIG bit shifts/masks TYPE2. These are for IPs compliant - * with the new PRCM protocol defined for new OMAP4 IPs. - */ -#define SYSC_TYPE2_SOFTRESET_SHIFT 0 -#define SYSC_TYPE2_SOFTRESET_MASK (1 << SYSC_TYPE2_SOFTRESET_SHIFT) -#define SYSC_TYPE2_SIDLEMODE_SHIFT 2 -#define SYSC_TYPE2_SIDLEMODE_MASK (0x3 << SYSC_TYPE2_SIDLEMODE_SHIFT) -#define SYSC_TYPE2_MIDLEMODE_SHIFT 4 -#define SYSC_TYPE2_MIDLEMODE_MASK (0x3 << SYSC_TYPE2_MIDLEMODE_SHIFT) -#define SYSC_TYPE2_DMADISABLE_SHIFT 16 -#define SYSC_TYPE2_DMADISABLE_MASK (0x1 << SYSC_TYPE2_DMADISABLE_SHIFT) - -/* - * OCP SYSCONFIG bit shifts/masks TYPE3. - * This is applicable for some IPs present in AM33XX - */ -#define SYSC_TYPE3_SIDLEMODE_SHIFT 0 -#define SYSC_TYPE3_SIDLEMODE_MASK (0x3 << SYSC_TYPE3_SIDLEMODE_SHIFT) -#define SYSC_TYPE3_MIDLEMODE_SHIFT 2 -#define SYSC_TYPE3_MIDLEMODE_MASK (0x3 << SYSC_TYPE3_MIDLEMODE_SHIFT) - -/* OCP SYSSTATUS bit shifts/masks */ -#define SYSS_RESETDONE_SHIFT 0 -#define SYSS_RESETDONE_MASK (1 << SYSS_RESETDONE_SHIFT) - -/* Master standby/slave idle mode flags */ -#define HWMOD_IDLEMODE_FORCE (1 << 0) -#define HWMOD_IDLEMODE_NO (1 << 1) -#define HWMOD_IDLEMODE_SMART (1 << 2) -#define HWMOD_IDLEMODE_SMART_WKUP (1 << 3) - -/* modulemode control type (SW or HW) */ -#define MODULEMODE_HWCTRL 1 -#define MODULEMODE_SWCTRL 2 - - -/** - * struct omap_hwmod_mux_info - hwmod specific mux configuration - * @pads: array of omap_device_pad entries - * @nr_pads: number of omap_device_pad entries - * - * Note that this is currently built during init as needed. - */ -struct omap_hwmod_mux_info { - int nr_pads; - struct omap_device_pad *pads; - int nr_pads_dynamic; - struct omap_device_pad **pads_dynamic; - int *irqs; - bool enabled; -}; - -/** - * struct omap_hwmod_irq_info - MPU IRQs used by the hwmod - * @name: name of the IRQ channel (module local name) - * @irq: IRQ channel ID (should be non-negative except -1 = terminator) - * - * @name should be something short, e.g., "tx" or "rx". It is for use - * by platform_get_resource_byname(). It is defined locally to the - * hwmod. - */ -struct omap_hwmod_irq_info { - const char *name; - s16 irq; -}; - -/** - * struct omap_hwmod_dma_info - DMA channels used by the hwmod - * @name: name of the DMA channel (module local name) - * @dma_req: DMA request ID (should be non-negative except -1 = terminator) - * - * @name should be something short, e.g., "tx" or "rx". It is for use - * by platform_get_resource_byname(). It is defined locally to the - * hwmod. - */ -struct omap_hwmod_dma_info { - const char *name; - s16 dma_req; -}; - -/** - * struct omap_hwmod_rst_info - IPs reset lines use by hwmod - * @name: name of the reset line (module local name) - * @rst_shift: Offset of the reset bit - * @st_shift: Offset of the reset status bit (OMAP2/3 only) - * - * @name should be something short, e.g., "cpu0" or "rst". It is defined - * locally to the hwmod. - */ -struct omap_hwmod_rst_info { - const char *name; - u8 rst_shift; - u8 st_shift; -}; - -/** - * struct omap_hwmod_opt_clk - optional clocks used by this hwmod - * @role: "sys", "32k", "tv", etc -- for use in clk_get() - * @clk: opt clock: OMAP clock name - * @_clk: pointer to the struct clk (filled in at runtime) - * - * The module's interface clock and main functional clock should not - * be added as optional clocks. - */ -struct omap_hwmod_opt_clk { - const char *role; - const char *clk; - struct clk *_clk; -}; - - -/* omap_hwmod_omap2_firewall.flags bits */ -#define OMAP_FIREWALL_L3 (1 << 0) -#define OMAP_FIREWALL_L4 (1 << 1) - -/** - * struct omap_hwmod_omap2_firewall - OMAP2/3 device firewall data - * @l3_perm_bit: bit shift for L3_PM_*_PERMISSION_* - * @l4_fw_region: L4 firewall region ID - * @l4_prot_group: L4 protection group ID - * @flags: (see omap_hwmod_omap2_firewall.flags macros above) - */ -struct omap_hwmod_omap2_firewall { - u8 l3_perm_bit; - u8 l4_fw_region; - u8 l4_prot_group; - u8 flags; -}; - - -/* - * omap_hwmod_addr_space.flags bits - * - * ADDR_MAP_ON_INIT: Map this address space during omap_hwmod init. - * ADDR_TYPE_RT: Address space contains module register target data. - */ -#define ADDR_MAP_ON_INIT (1 << 0) /* XXX does not belong */ -#define ADDR_TYPE_RT (1 << 1) - -/** - * struct omap_hwmod_addr_space - address space handled by the hwmod - * @name: name of the address space - * @pa_start: starting physical address - * @pa_end: ending physical address - * @flags: (see omap_hwmod_addr_space.flags macros above) - * - * Address space doesn't necessarily follow physical interconnect - * structure. GPMC is one example. - */ -struct omap_hwmod_addr_space { - const char *name; - u32 pa_start; - u32 pa_end; - u8 flags; -}; - - -/* - * omap_hwmod_ocp_if.user bits: these indicate the initiators that use this - * interface to interact with the hwmod. Used to add sleep dependencies - * when the module is enabled or disabled. - */ -#define OCP_USER_MPU (1 << 0) -#define OCP_USER_SDMA (1 << 1) -#define OCP_USER_DSP (1 << 2) -#define OCP_USER_IVA (1 << 3) - -/* omap_hwmod_ocp_if.flags bits */ -#define OCPIF_SWSUP_IDLE (1 << 0) -#define OCPIF_CAN_BURST (1 << 1) - -/* omap_hwmod_ocp_if._int_flags possibilities */ -#define _OCPIF_INT_FLAGS_REGISTERED (1 << 0) - - -/** - * struct omap_hwmod_ocp_if - OCP interface data - * @master: struct omap_hwmod that initiates OCP transactions on this link - * @slave: struct omap_hwmod that responds to OCP transactions on this link - * @addr: address space associated with this link - * @clk: interface clock: OMAP clock name - * @_clk: pointer to the interface struct clk (filled in at runtime) - * @fw: interface firewall data - * @width: OCP data width - * @user: initiators using this interface (see OCP_USER_* macros above) - * @flags: OCP interface flags (see OCPIF_* macros above) - * @_int_flags: internal flags (see _OCPIF_INT_FLAGS* macros above) - * - * It may also be useful to add a tag_cnt field for OCP2.x devices. - * - * Parameter names beginning with an underscore are managed internally by - * the omap_hwmod code and should not be set during initialization. - */ -struct omap_hwmod_ocp_if { - struct omap_hwmod *master; - struct omap_hwmod *slave; - struct omap_hwmod_addr_space *addr; - const char *clk; - struct clk *_clk; - union { - struct omap_hwmod_omap2_firewall omap2; - } fw; - u8 width; - u8 user; - u8 flags; - u8 _int_flags; -}; - - -/* Macros for use in struct omap_hwmod_sysconfig */ - -/* Flags for use in omap_hwmod_sysconfig.idlemodes */ -#define MASTER_STANDBY_SHIFT 4 -#define SLAVE_IDLE_SHIFT 0 -#define SIDLE_FORCE (HWMOD_IDLEMODE_FORCE << SLAVE_IDLE_SHIFT) -#define SIDLE_NO (HWMOD_IDLEMODE_NO << SLAVE_IDLE_SHIFT) -#define SIDLE_SMART (HWMOD_IDLEMODE_SMART << SLAVE_IDLE_SHIFT) -#define SIDLE_SMART_WKUP (HWMOD_IDLEMODE_SMART_WKUP << SLAVE_IDLE_SHIFT) -#define MSTANDBY_FORCE (HWMOD_IDLEMODE_FORCE << MASTER_STANDBY_SHIFT) -#define MSTANDBY_NO (HWMOD_IDLEMODE_NO << MASTER_STANDBY_SHIFT) -#define MSTANDBY_SMART (HWMOD_IDLEMODE_SMART << MASTER_STANDBY_SHIFT) -#define MSTANDBY_SMART_WKUP (HWMOD_IDLEMODE_SMART_WKUP << MASTER_STANDBY_SHIFT) - -/* omap_hwmod_sysconfig.sysc_flags capability flags */ -#define SYSC_HAS_AUTOIDLE (1 << 0) -#define SYSC_HAS_SOFTRESET (1 << 1) -#define SYSC_HAS_ENAWAKEUP (1 << 2) -#define SYSC_HAS_EMUFREE (1 << 3) -#define SYSC_HAS_CLOCKACTIVITY (1 << 4) -#define SYSC_HAS_SIDLEMODE (1 << 5) -#define SYSC_HAS_MIDLEMODE (1 << 6) -#define SYSS_HAS_RESET_STATUS (1 << 7) -#define SYSC_NO_CACHE (1 << 8) /* XXX SW flag, belongs elsewhere */ -#define SYSC_HAS_RESET_STATUS (1 << 9) -#define SYSC_HAS_DMADISABLE (1 << 10) - -/* omap_hwmod_sysconfig.clockact flags */ -#define CLOCKACT_TEST_BOTH 0x0 -#define CLOCKACT_TEST_MAIN 0x1 -#define CLOCKACT_TEST_ICLK 0x2 -#define CLOCKACT_TEST_NONE 0x3 - -/** - * struct omap_hwmod_sysc_fields - hwmod OCP_SYSCONFIG register field offsets. - * @midle_shift: Offset of the midle bit - * @clkact_shift: Offset of the clockactivity bit - * @sidle_shift: Offset of the sidle bit - * @enwkup_shift: Offset of the enawakeup bit - * @srst_shift: Offset of the softreset bit - * @autoidle_shift: Offset of the autoidle bit - * @dmadisable_shift: Offset of the dmadisable bit - */ -struct omap_hwmod_sysc_fields { - u8 midle_shift; - u8 clkact_shift; - u8 sidle_shift; - u8 enwkup_shift; - u8 srst_shift; - u8 autoidle_shift; - u8 dmadisable_shift; -}; - -/** - * struct omap_hwmod_class_sysconfig - hwmod class OCP_SYS* data - * @rev_offs: IP block revision register offset (from module base addr) - * @sysc_offs: OCP_SYSCONFIG register offset (from module base addr) - * @syss_offs: OCP_SYSSTATUS register offset (from module base addr) - * @srst_udelay: Delay needed after doing a softreset in usecs - * @idlemodes: One or more of {SIDLE,MSTANDBY}_{OFF,FORCE,SMART} - * @sysc_flags: SYS{C,S}_HAS* flags indicating SYSCONFIG bits supported - * @clockact: the default value of the module CLOCKACTIVITY bits - * - * @clockact describes to the module which clocks are likely to be - * disabled when the PRCM issues its idle request to the module. Some - * modules have separate clockdomains for the interface clock and main - * functional clock, and can check whether they should acknowledge the - * idle request based on the internal module functionality that has - * been associated with the clocks marked in @clockact. This field is - * only used if HWMOD_SET_DEFAULT_CLOCKACT is set (see below) - * - * @sysc_fields: structure containing the offset positions of various bits in - * SYSCONFIG register. This can be populated using omap_hwmod_sysc_type1 or - * omap_hwmod_sysc_type2 defined in omap_hwmod_common_data.c depending on - * whether the device ip is compliant with the original PRCM protocol - * defined for OMAP2420 or the new PRCM protocol for new OMAP4 IPs. - * If the device follows a different scheme for the sysconfig register , - * then this field has to be populated with the correct offset structure. - */ -struct omap_hwmod_class_sysconfig { - u32 rev_offs; - u32 sysc_offs; - u32 syss_offs; - u16 sysc_flags; - struct omap_hwmod_sysc_fields *sysc_fields; - u8 srst_udelay; - u8 idlemodes; - u8 clockact; -}; - -/** - * struct omap_hwmod_omap2_prcm - OMAP2/3-specific PRCM data - * @module_offs: PRCM submodule offset from the start of the PRM/CM - * @prcm_reg_id: PRCM register ID (e.g., 3 for CM_AUTOIDLE3) - * @module_bit: register bit shift for AUTOIDLE, WKST, WKEN, GRPSEL regs - * @idlest_reg_id: IDLEST register ID (e.g., 3 for CM_IDLEST3) - * @idlest_idle_bit: register bit shift for CM_IDLEST slave idle bit - * @idlest_stdby_bit: register bit shift for CM_IDLEST master standby bit - * - * @prcm_reg_id and @module_bit are specific to the AUTOIDLE, WKST, - * WKEN, GRPSEL registers. In an ideal world, no extra information - * would be needed for IDLEST information, but alas, there are some - * exceptions, so @idlest_reg_id, @idlest_idle_bit, @idlest_stdby_bit - * are needed for the IDLEST registers (c.f. 2430 I2CHS, 3430 USBHOST) - */ -struct omap_hwmod_omap2_prcm { - s16 module_offs; - u8 prcm_reg_id; - u8 module_bit; - u8 idlest_reg_id; - u8 idlest_idle_bit; - u8 idlest_stdby_bit; -}; - -/* - * Possible values for struct omap_hwmod_omap4_prcm.flags - * - * HWMOD_OMAP4_NO_CONTEXT_LOSS_BIT: Some IP blocks don't have a PRCM - * module-level context loss register associated with them; this - * flag bit should be set in those cases - */ -#define HWMOD_OMAP4_NO_CONTEXT_LOSS_BIT (1 << 0) - -/** - * struct omap_hwmod_omap4_prcm - OMAP4-specific PRCM data - * @clkctrl_reg: PRCM address of the clock control register - * @rstctrl_reg: address of the XXX_RSTCTRL register located in the PRM - * @lostcontext_mask: bitmask for selecting bits from RM_*_CONTEXT register - * @rstst_reg: (AM33XX only) address of the XXX_RSTST register in the PRM - * @submodule_wkdep_bit: bit shift of the WKDEP range - * @flags: PRCM register capabilities for this IP block - * - * If @lostcontext_mask is not defined, context loss check code uses - * whole register without masking. @lostcontext_mask should only be - * defined in cases where @context_offs register is shared by two or - * more hwmods. - */ -struct omap_hwmod_omap4_prcm { - u16 clkctrl_offs; - u16 rstctrl_offs; - u16 rstst_offs; - u16 context_offs; - u32 lostcontext_mask; - u8 submodule_wkdep_bit; - u8 modulemode; - u8 flags; -}; - - -/* - * omap_hwmod.flags definitions - * - * HWMOD_SWSUP_SIDLE: omap_hwmod code should manually bring module in and out - * of idle, rather than relying on module smart-idle - * HWMOD_SWSUP_MSTDBY: omap_hwmod code should manually bring module in and out - * of standby, rather than relying on module smart-standby - * HWMOD_INIT_NO_RESET: don't reset this module at boot - important for - * SDRAM controller, etc. XXX probably belongs outside the main hwmod file - * XXX Should be HWMOD_SETUP_NO_RESET - * HWMOD_INIT_NO_IDLE: don't idle this module at boot - important for SDRAM - * controller, etc. XXX probably belongs outside the main hwmod file - * XXX Should be HWMOD_SETUP_NO_IDLE - * HWMOD_NO_OCP_AUTOIDLE: disable module autoidle (OCP_SYSCONFIG.AUTOIDLE) - * when module is enabled, rather than the default, which is to - * enable autoidle - * HWMOD_SET_DEFAULT_CLOCKACT: program CLOCKACTIVITY bits at startup - * HWMOD_NO_IDLEST: this module does not have idle status - this is the case - * only for few initiator modules on OMAP2 & 3. - * HWMOD_CONTROL_OPT_CLKS_IN_RESET: Enable all optional clocks during reset. - * This is needed for devices like DSS that require optional clocks enabled - * in order to complete the reset. Optional clocks will be disabled - * again after the reset. - * HWMOD_16BIT_REG: Module has 16bit registers - */ -#define HWMOD_SWSUP_SIDLE (1 << 0) -#define HWMOD_SWSUP_MSTANDBY (1 << 1) -#define HWMOD_INIT_NO_RESET (1 << 2) -#define HWMOD_INIT_NO_IDLE (1 << 3) -#define HWMOD_NO_OCP_AUTOIDLE (1 << 4) -#define HWMOD_SET_DEFAULT_CLOCKACT (1 << 5) -#define HWMOD_NO_IDLEST (1 << 6) -#define HWMOD_CONTROL_OPT_CLKS_IN_RESET (1 << 7) -#define HWMOD_16BIT_REG (1 << 8) - -/* - * omap_hwmod._int_flags definitions - * These are for internal use only and are managed by the omap_hwmod code. - * - * _HWMOD_NO_MPU_PORT: no path exists for the MPU to write to this module - * _HWMOD_WAKEUP_ENABLED: set when the omap_hwmod code has enabled ENAWAKEUP - * _HWMOD_SYSCONFIG_LOADED: set when the OCP_SYSCONFIG value has been cached - * _HWMOD_SKIP_ENABLE: set if hwmod enabled during init (HWMOD_INIT_NO_IDLE) - - * causes the first call to _enable() to only update the pinmux - */ -#define _HWMOD_NO_MPU_PORT (1 << 0) -#define _HWMOD_WAKEUP_ENABLED (1 << 1) -#define _HWMOD_SYSCONFIG_LOADED (1 << 2) -#define _HWMOD_SKIP_ENABLE (1 << 3) - -/* - * omap_hwmod._state definitions - * - * INITIALIZED: reset (optionally), initialized, enabled, disabled - * (optionally) - * - * - */ -#define _HWMOD_STATE_UNKNOWN 0 -#define _HWMOD_STATE_REGISTERED 1 -#define _HWMOD_STATE_CLKS_INITED 2 -#define _HWMOD_STATE_INITIALIZED 3 -#define _HWMOD_STATE_ENABLED 4 -#define _HWMOD_STATE_IDLE 5 -#define _HWMOD_STATE_DISABLED 6 - -/** - * struct omap_hwmod_class - the type of an IP block - * @name: name of the hwmod_class - * @sysc: device SYSCONFIG/SYSSTATUS register data - * @rev: revision of the IP class - * @pre_shutdown: ptr to fn to be executed immediately prior to device shutdown - * @reset: ptr to fn to be executed in place of the standard hwmod reset fn - * - * Represent the class of a OMAP hardware "modules" (e.g. timer, - * smartreflex, gpio, uart...) - * - * @pre_shutdown is a function that will be run immediately before - * hwmod clocks are disabled, etc. It is intended for use for hwmods - * like the MPU watchdog, which cannot be disabled with the standard - * omap_hwmod_shutdown(). The function should return 0 upon success, - * or some negative error upon failure. Returning an error will cause - * omap_hwmod_shutdown() to abort the device shutdown and return an - * error. - * - * If @reset is defined, then the function it points to will be - * executed in place of the standard hwmod _reset() code in - * mach-omap2/omap_hwmod.c. This is needed for IP blocks which have - * unusual reset sequences - usually processor IP blocks like the IVA. - */ -struct omap_hwmod_class { - const char *name; - struct omap_hwmod_class_sysconfig *sysc; - u32 rev; - int (*pre_shutdown)(struct omap_hwmod *oh); - int (*reset)(struct omap_hwmod *oh); -}; - -/** - * struct omap_hwmod_link - internal structure linking hwmods with ocp_ifs - * @ocp_if: OCP interface structure record pointer - * @node: list_head pointing to next struct omap_hwmod_link in a list - */ -struct omap_hwmod_link { - struct omap_hwmod_ocp_if *ocp_if; - struct list_head node; -}; - -/** - * struct omap_hwmod - integration data for OMAP hardware "modules" (IP blocks) - * @name: name of the hwmod - * @class: struct omap_hwmod_class * to the class of this hwmod - * @od: struct omap_device currently associated with this hwmod (internal use) - * @mpu_irqs: ptr to an array of MPU IRQs - * @sdma_reqs: ptr to an array of System DMA request IDs - * @prcm: PRCM data pertaining to this hwmod - * @main_clk: main clock: OMAP clock name - * @_clk: pointer to the main struct clk (filled in at runtime) - * @opt_clks: other device clocks that drivers can request (0..*) - * @voltdm: pointer to voltage domain (filled in at runtime) - * @dev_attr: arbitrary device attributes that can be passed to the driver - * @_sysc_cache: internal-use hwmod flags - * @_mpu_rt_va: cached register target start address (internal use) - * @_mpu_port: cached MPU register target slave (internal use) - * @opt_clks_cnt: number of @opt_clks - * @master_cnt: number of @master entries - * @slaves_cnt: number of @slave entries - * @response_lat: device OCP response latency (in interface clock cycles) - * @_int_flags: internal-use hwmod flags - * @_state: internal-use hwmod state - * @_postsetup_state: internal-use state to leave the hwmod in after _setup() - * @flags: hwmod flags (documented below) - * @_lock: spinlock serializing operations on this hwmod - * @node: list node for hwmod list (internal use) - * - * @main_clk refers to this module's "main clock," which for our - * purposes is defined as "the functional clock needed for register - * accesses to complete." Modules may not have a main clock if the - * interface clock also serves as a main clock. - * - * Parameter names beginning with an underscore are managed internally by - * the omap_hwmod code and should not be set during initialization. - * - * @masters and @slaves are now deprecated. - */ -struct omap_hwmod { - const char *name; - struct omap_hwmod_class *class; - struct omap_device *od; - struct omap_hwmod_mux_info *mux; - struct omap_hwmod_irq_info *mpu_irqs; - struct omap_hwmod_dma_info *sdma_reqs; - struct omap_hwmod_rst_info *rst_lines; - union { - struct omap_hwmod_omap2_prcm omap2; - struct omap_hwmod_omap4_prcm omap4; - } prcm; - const char *main_clk; - struct clk *_clk; - struct omap_hwmod_opt_clk *opt_clks; - char *clkdm_name; - struct clockdomain *clkdm; - struct list_head master_ports; /* connect to *_IA */ - struct list_head slave_ports; /* connect to *_TA */ - void *dev_attr; - u32 _sysc_cache; - void __iomem *_mpu_rt_va; - spinlock_t _lock; - struct list_head node; - struct omap_hwmod_ocp_if *_mpu_port; - u16 flags; - u8 response_lat; - u8 rst_lines_cnt; - u8 opt_clks_cnt; - u8 masters_cnt; - u8 slaves_cnt; - u8 hwmods_cnt; - u8 _int_flags; - u8 _state; - u8 _postsetup_state; -}; - -struct omap_hwmod *omap_hwmod_lookup(const char *name); -int omap_hwmod_for_each(int (*fn)(struct omap_hwmod *oh, void *data), - void *data); - -int __init omap_hwmod_setup_one(const char *name); - -int omap_hwmod_enable(struct omap_hwmod *oh); -int omap_hwmod_idle(struct omap_hwmod *oh); -int omap_hwmod_shutdown(struct omap_hwmod *oh); - -int omap_hwmod_assert_hardreset(struct omap_hwmod *oh, const char *name); -int omap_hwmod_deassert_hardreset(struct omap_hwmod *oh, const char *name); -int omap_hwmod_read_hardreset(struct omap_hwmod *oh, const char *name); - -int omap_hwmod_enable_clocks(struct omap_hwmod *oh); -int omap_hwmod_disable_clocks(struct omap_hwmod *oh); - -int omap_hwmod_set_slave_idlemode(struct omap_hwmod *oh, u8 idlemode); -int omap_hwmod_set_ocp_autoidle(struct omap_hwmod *oh, u8 autoidle); - -int omap_hwmod_reset(struct omap_hwmod *oh); -void omap_hwmod_ocp_barrier(struct omap_hwmod *oh); - -void omap_hwmod_write(u32 v, struct omap_hwmod *oh, u16 reg_offs); -u32 omap_hwmod_read(struct omap_hwmod *oh, u16 reg_offs); -int omap_hwmod_softreset(struct omap_hwmod *oh); - -int omap_hwmod_count_resources(struct omap_hwmod *oh); -int omap_hwmod_fill_resources(struct omap_hwmod *oh, struct resource *res); -int omap_hwmod_fill_dma_resources(struct omap_hwmod *oh, struct resource *res); -int omap_hwmod_get_resource_byname(struct omap_hwmod *oh, unsigned int type, - const char *name, struct resource *res); - -struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh); -void __iomem *omap_hwmod_get_mpu_rt_va(struct omap_hwmod *oh); - -int omap_hwmod_add_initiator_dep(struct omap_hwmod *oh, - struct omap_hwmod *init_oh); -int omap_hwmod_del_initiator_dep(struct omap_hwmod *oh, - struct omap_hwmod *init_oh); - -int omap_hwmod_enable_wakeup(struct omap_hwmod *oh); -int omap_hwmod_disable_wakeup(struct omap_hwmod *oh); - -int omap_hwmod_for_each_by_class(const char *classname, - int (*fn)(struct omap_hwmod *oh, - void *user), - void *user); - -int omap_hwmod_set_postsetup_state(struct omap_hwmod *oh, u8 state); -int omap_hwmod_get_context_loss_count(struct omap_hwmod *oh); - -int omap_hwmod_no_setup_reset(struct omap_hwmod *oh); - -int omap_hwmod_pad_route_irq(struct omap_hwmod *oh, int pad_idx, int irq_idx); - -extern void __init omap_hwmod_init(void); - -const char *omap_hwmod_get_main_clk(struct omap_hwmod *oh); - -/* - * Chip variant-specific hwmod init routines - XXX should be converted - * to use initcalls once the initial boot ordering is straightened out - */ -extern int omap2420_hwmod_init(void); -extern int omap2430_hwmod_init(void); -extern int omap3xxx_hwmod_init(void); -extern int omap44xx_hwmod_init(void); -extern int am33xx_hwmod_init(void); - -extern int __init omap_hwmod_register_links(struct omap_hwmod_ocp_if **ois); - -#endif -- cgit v1.2.3