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@@ -383,3 +383,202 @@ struct omap_hwmod_omap2_prcm {
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u8 idlest_stdby_bit;
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u8 idlest_stdby_bit;
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};
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};
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+/*
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+ * Possible values for struct omap_hwmod_omap4_prcm.flags
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+ *
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+ * HWMOD_OMAP4_NO_CONTEXT_LOSS_BIT: Some IP blocks don't have a PRCM
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+ * module-level context loss register associated with them; this
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+ * flag bit should be set in those cases
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+ */
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+#define HWMOD_OMAP4_NO_CONTEXT_LOSS_BIT (1 << 0)
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+
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+/**
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+ * struct omap_hwmod_omap4_prcm - OMAP4-specific PRCM data
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+ * @clkctrl_offs: offset of the PRCM clock control register
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+ * @rstctrl_offs: offset of the XXX_RSTCTRL register located in the PRM
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+ * @context_offs: offset of the RM_*_CONTEXT register
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+ * @lostcontext_mask: bitmask for selecting bits from RM_*_CONTEXT register
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+ * @rstst_reg: (AM33XX only) address of the XXX_RSTST register in the PRM
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+ * @submodule_wkdep_bit: bit shift of the WKDEP range
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+ * @flags: PRCM register capabilities for this IP block
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+ * @modulemode: allowable modulemodes
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+ * @context_lost_counter: Count of module level context lost
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+ *
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+ * If @lostcontext_mask is not defined, context loss check code uses
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+ * whole register without masking. @lostcontext_mask should only be
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+ * defined in cases where @context_offs register is shared by two or
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+ * more hwmods.
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+ */
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+struct omap_hwmod_omap4_prcm {
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+ u16 clkctrl_offs;
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+ u16 rstctrl_offs;
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+ u16 rstst_offs;
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+ u16 context_offs;
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+ u32 lostcontext_mask;
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+ u8 submodule_wkdep_bit;
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+ u8 modulemode;
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+ u8 flags;
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+ int context_lost_counter;
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+};
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+
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+
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+/*
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+ * omap_hwmod.flags definitions
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+ *
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+ * HWMOD_SWSUP_SIDLE: omap_hwmod code should manually bring module in and out
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+ * of idle, rather than relying on module smart-idle
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+ * HWMOD_SWSUP_MSTDBY: omap_hwmod code should manually bring module in and out
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+ * of standby, rather than relying on module smart-standby
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+ * HWMOD_INIT_NO_RESET: don't reset this module at boot - important for
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+ * SDRAM controller, etc. XXX probably belongs outside the main hwmod file
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+ * XXX Should be HWMOD_SETUP_NO_RESET
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+ * HWMOD_INIT_NO_IDLE: don't idle this module at boot - important for SDRAM
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+ * controller, etc. XXX probably belongs outside the main hwmod file
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+ * XXX Should be HWMOD_SETUP_NO_IDLE
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+ * HWMOD_NO_OCP_AUTOIDLE: disable module autoidle (OCP_SYSCONFIG.AUTOIDLE)
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+ * when module is enabled, rather than the default, which is to
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+ * enable autoidle
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+ * HWMOD_SET_DEFAULT_CLOCKACT: program CLOCKACTIVITY bits at startup
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+ * HWMOD_NO_IDLEST: this module does not have idle status - this is the case
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+ * only for few initiator modules on OMAP2 & 3.
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+ * HWMOD_CONTROL_OPT_CLKS_IN_RESET: Enable all optional clocks during reset.
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+ * This is needed for devices like DSS that require optional clocks enabled
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+ * in order to complete the reset. Optional clocks will be disabled
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+ * again after the reset.
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+ * HWMOD_16BIT_REG: Module has 16bit registers
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+ * HWMOD_EXT_OPT_MAIN_CLK: The only main functional clock source for
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+ * this IP block comes from an off-chip source and is not always
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+ * enabled. This prevents the hwmod code from being able to
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+ * enable and reset the IP block early. XXX Eventually it should
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+ * be possible to query the clock framework for this information.
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+ */
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+#define HWMOD_SWSUP_SIDLE (1 << 0)
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+#define HWMOD_SWSUP_MSTANDBY (1 << 1)
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+#define HWMOD_INIT_NO_RESET (1 << 2)
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+#define HWMOD_INIT_NO_IDLE (1 << 3)
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+#define HWMOD_NO_OCP_AUTOIDLE (1 << 4)
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+#define HWMOD_SET_DEFAULT_CLOCKACT (1 << 5)
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+#define HWMOD_NO_IDLEST (1 << 6)
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+#define HWMOD_CONTROL_OPT_CLKS_IN_RESET (1 << 7)
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+#define HWMOD_16BIT_REG (1 << 8)
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+#define HWMOD_EXT_OPT_MAIN_CLK (1 << 9)
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+
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+/*
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+ * omap_hwmod._int_flags definitions
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+ * These are for internal use only and are managed by the omap_hwmod code.
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+ *
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+ * _HWMOD_NO_MPU_PORT: no path exists for the MPU to write to this module
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+ * _HWMOD_WAKEUP_ENABLED: set when the omap_hwmod code has enabled ENAWAKEUP
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+ * _HWMOD_SYSCONFIG_LOADED: set when the OCP_SYSCONFIG value has been cached
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+ * _HWMOD_SKIP_ENABLE: set if hwmod enabled during init (HWMOD_INIT_NO_IDLE) -
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+ * causes the first call to _enable() to only update the pinmux
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+ */
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+#define _HWMOD_NO_MPU_PORT (1 << 0)
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+#define _HWMOD_WAKEUP_ENABLED (1 << 1)
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+#define _HWMOD_SYSCONFIG_LOADED (1 << 2)
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+#define _HWMOD_SKIP_ENABLE (1 << 3)
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+
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+/*
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+ * omap_hwmod._state definitions
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+ *
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+ * INITIALIZED: reset (optionally), initialized, enabled, disabled
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+ * (optionally)
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+ *
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+ *
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+ */
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+#define _HWMOD_STATE_UNKNOWN 0
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+#define _HWMOD_STATE_REGISTERED 1
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+#define _HWMOD_STATE_CLKS_INITED 2
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+#define _HWMOD_STATE_INITIALIZED 3
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+#define _HWMOD_STATE_ENABLED 4
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+#define _HWMOD_STATE_IDLE 5
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+#define _HWMOD_STATE_DISABLED 6
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+
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+/**
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+ * struct omap_hwmod_class - the type of an IP block
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+ * @name: name of the hwmod_class
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+ * @sysc: device SYSCONFIG/SYSSTATUS register data
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+ * @rev: revision of the IP class
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+ * @pre_shutdown: ptr to fn to be executed immediately prior to device shutdown
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+ * @reset: ptr to fn to be executed in place of the standard hwmod reset fn
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+ *
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+ * Represent the class of a OMAP hardware "modules" (e.g. timer,
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+ * smartreflex, gpio, uart...)
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+ *
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+ * @pre_shutdown is a function that will be run immediately before
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+ * hwmod clocks are disabled, etc. It is intended for use for hwmods
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+ * like the MPU watchdog, which cannot be disabled with the standard
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+ * omap_hwmod_shutdown(). The function should return 0 upon success,
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+ * or some negative error upon failure. Returning an error will cause
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+ * omap_hwmod_shutdown() to abort the device shutdown and return an
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+ * error.
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+ *
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+ * If @reset is defined, then the function it points to will be
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+ * executed in place of the standard hwmod _reset() code in
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+ * mach-omap2/omap_hwmod.c. This is needed for IP blocks which have
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+ * unusual reset sequences - usually processor IP blocks like the IVA.
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+ */
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+struct omap_hwmod_class {
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+ const char *name;
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+ struct omap_hwmod_class_sysconfig *sysc;
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+ u32 rev;
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+ int (*pre_shutdown)(struct omap_hwmod *oh);
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+ int (*reset)(struct omap_hwmod *oh);
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+};
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+
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+/**
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+ * struct omap_hwmod_link - internal structure linking hwmods with ocp_ifs
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+ * @ocp_if: OCP interface structure record pointer
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+ * @node: list_head pointing to next struct omap_hwmod_link in a list
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+ */
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+struct omap_hwmod_link {
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+ struct omap_hwmod_ocp_if *ocp_if;
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+ struct list_head node;
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+};
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+
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+/**
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+ * struct omap_hwmod - integration data for OMAP hardware "modules" (IP blocks)
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+ * @name: name of the hwmod
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+ * @class: struct omap_hwmod_class * to the class of this hwmod
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+ * @od: struct omap_device currently associated with this hwmod (internal use)
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+ * @mpu_irqs: ptr to an array of MPU IRQs
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+ * @sdma_reqs: ptr to an array of System DMA request IDs
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+ * @prcm: PRCM data pertaining to this hwmod
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+ * @main_clk: main clock: OMAP clock name
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+ * @_clk: pointer to the main struct clk (filled in at runtime)
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+ * @opt_clks: other device clocks that drivers can request (0..*)
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+ * @voltdm: pointer to voltage domain (filled in at runtime)
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+ * @dev_attr: arbitrary device attributes that can be passed to the driver
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+ * @_sysc_cache: internal-use hwmod flags
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+ * @_mpu_rt_va: cached register target start address (internal use)
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+ * @_mpu_port: cached MPU register target slave (internal use)
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+ * @opt_clks_cnt: number of @opt_clks
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+ * @master_cnt: number of @master entries
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+ * @slaves_cnt: number of @slave entries
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+ * @response_lat: device OCP response latency (in interface clock cycles)
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+ * @_int_flags: internal-use hwmod flags
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+ * @_state: internal-use hwmod state
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+ * @_postsetup_state: internal-use state to leave the hwmod in after _setup()
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+ * @flags: hwmod flags (documented below)
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+ * @_lock: spinlock serializing operations on this hwmod
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+ * @node: list node for hwmod list (internal use)
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+ *
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+ * @main_clk refers to this module's "main clock," which for our
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+ * purposes is defined as "the functional clock needed for register
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+ * accesses to complete." Modules may not have a main clock if the
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+ * interface clock also serves as a main clock.
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+ *
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+ * Parameter names beginning with an underscore are managed internally by
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+ * the omap_hwmod code and should not be set during initialization.
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+ *
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+ * @masters and @slaves are now deprecated.
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+ */
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+struct omap_hwmod {
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+ const char *name;
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+ struct omap_hwmod_class *class;
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+ struct omap_device *od;
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+ struct omap_hwmod_mux_info *mux;
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+ struct omap_hwmod_irq_info *mpu_irqs;
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+ struct omap_hwmod_dma_info *sdma_reqs;
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+ struct omap_hwmod_rst_info *rst_lines;
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+ union {
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