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Miscellaneous OMAP clock, hwmod, clockdomain, and powerdomain patches
for 3.6. Mostly small infrastructure improvements, and preparation for OMAP5 and AM33xx code. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAABAgAGBQJP9F5FAAoJEMePsQ0LvSpLocAP/00cPRZ+sOrZO6KYjoh84AwB mMfJd2QKhqwe19nBfPoGL3F+bClM5x9yIgX2pT2X46kJ25DqLcIDUnUeKydo/euF qON+8n2E2Z24iaiLnQvSLYyIJokTX+81l+RmddGYkT2Go8KT6U6XRcOnQ1J/kkIC Z9rkHkMtzL7wAtYUBcZktlEMw8PKzcLAayCSQsPQ4Q757JHONijtJFID24UyQQPQ azsuL4bxUJ5zhSeVjJRmCE7sFWbTgJ6vztMm/d1bc/TH4X7dFNKwhKIuZsMrAMBf fzf+lyB/UFX7CCt7oqQs8E3mX0E9B2ijq5WCal4SSLf7piLIIHxIpTT9LGAzO/of zYhRA3hY4o/HsaDmgsYxHZAPYGZoODosI93bYBVxBW2qZceYZ1j3nUfd0dY+AkCe Nm0L1TWeBhVG0oX3fP8bqTTxyiMCn4eDUUAUe002oJrsEFkeUb1+lAvTNoibXyns rQ9uQjbtR53V8nHT62sYcORxKdfUxGoDT3KFp2CHtKf/agjsuUe6JqP0Z3IkeYvT nmd+vUmO7D4delpbsT4OIt7vzmXCzTr6qB0hZIyXitFqQHlz9bBO4Fdow51CG+0V PNykHS9tfU7Ioe0bOMm9MhqjicbbxAJOc1Y4bBh8JGsNDsnfIAm9ZjHEjq7td/yz sZnZqUUrQHSB5EHBW5LU =sy5d -----END PGP SIGNATURE----- Merge tag 'omap-devel-f-for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into cleanup-part2 Miscellaneous OMAP clock, hwmod, clockdomain, and powerdomain patches for 3.6. Mostly small infrastructure improvements, and preparation for OMAP5 and AM33xx code. Conflicts: arch/arm/mach-omap2/omap_hwmod.c arch/arm/plat-omap/include/plat/omap_hwmod.h
This commit is contained in:
commit
ac5b0ea3d0
@ -70,7 +70,7 @@ static int omap4_clkdm_clear_all_wkup_sleep_deps(struct clockdomain *clkdm)
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static int omap4_clkdm_sleep(struct clockdomain *clkdm)
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{
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omap4_cminst_clkdm_force_sleep(clkdm->prcm_partition,
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omap4_cminst_clkdm_enable_hwsup(clkdm->prcm_partition,
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clkdm->cm_inst, clkdm->clkdm_offs);
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return 0;
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}
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@ -90,8 +90,12 @@ static void omap4_clkdm_allow_idle(struct clockdomain *clkdm)
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static void omap4_clkdm_deny_idle(struct clockdomain *clkdm)
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{
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omap4_cminst_clkdm_disable_hwsup(clkdm->prcm_partition,
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clkdm->cm_inst, clkdm->clkdm_offs);
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if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
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omap4_clkdm_wakeup(clkdm);
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else
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omap4_cminst_clkdm_disable_hwsup(clkdm->prcm_partition,
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clkdm->cm_inst,
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clkdm->clkdm_offs);
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}
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static int omap4_clkdm_clk_enable(struct clockdomain *clkdm)
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@ -234,20 +234,6 @@ void omap4_cminst_clkdm_disable_hwsup(u8 part, s16 inst, u16 cdoffs)
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_clktrctrl_write(OMAP34XX_CLKSTCTRL_DISABLE_AUTO, part, inst, cdoffs);
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}
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/**
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* omap4_cminst_clkdm_force_sleep - try to put a clockdomain into idle
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* @part: PRCM partition ID that the clockdomain registers exist in
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* @inst: CM instance register offset (*_INST macro)
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* @cdoffs: Clockdomain register offset (*_CDOFFS macro)
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*
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* Put a clockdomain referred to by (@part, @inst, @cdoffs) into idle
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* No return value.
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*/
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void omap4_cminst_clkdm_force_sleep(u8 part, s16 inst, u16 cdoffs)
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{
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_clktrctrl_write(OMAP34XX_CLKSTCTRL_FORCE_SLEEP, part, inst, cdoffs);
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}
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/**
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* omap4_cminst_clkdm_force_sleep - try to take a clockdomain out of idle
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* @part: PRCM partition ID that the clockdomain registers exist in
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@ -16,38 +16,13 @@ extern void omap4_cminst_clkdm_enable_hwsup(u8 part, s16 inst, u16 cdoffs);
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extern void omap4_cminst_clkdm_disable_hwsup(u8 part, s16 inst, u16 cdoffs);
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extern void omap4_cminst_clkdm_force_sleep(u8 part, s16 inst, u16 cdoffs);
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extern void omap4_cminst_clkdm_force_wakeup(u8 part, s16 inst, u16 cdoffs);
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extern int omap4_cminst_wait_module_ready(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_offs);
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# ifdef CONFIG_ARCH_OMAP4
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extern int omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs,
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u16 clkctrl_offs);
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extern void omap4_cminst_module_enable(u8 mode, u8 part, u16 inst, s16 cdoffs,
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u16 clkctrl_offs);
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extern void omap4_cminst_module_disable(u8 part, u16 inst, s16 cdoffs,
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u16 clkctrl_offs);
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# else
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static inline int omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs,
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u16 clkctrl_offs)
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{
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return 0;
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}
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static inline void omap4_cminst_module_enable(u8 mode, u8 part, u16 inst,
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s16 cdoffs, u16 clkctrl_offs)
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{
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}
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static inline void omap4_cminst_module_disable(u8 part, u16 inst, s16 cdoffs,
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u16 clkctrl_offs)
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{
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}
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# endif
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/*
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* In an ideal world, we would not export these low-level functions,
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* but this will probably take some time to fix properly
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@ -188,6 +188,7 @@
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#define OMAP3630_CONTROL_FUSE_OPP120_VDD1 (OMAP2_CONTROL_GENERAL + 0x0120)
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#define OMAP3630_CONTROL_FUSE_OPP50_VDD2 (OMAP2_CONTROL_GENERAL + 0x0128)
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#define OMAP3630_CONTROL_FUSE_OPP100_VDD2 (OMAP2_CONTROL_GENERAL + 0x012C)
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#define OMAP3630_CONTROL_CAMERA_PHY_CTRL (OMAP2_CONTROL_GENERAL + 0x02f0)
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/* OMAP44xx control efuse offsets */
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#define OMAP44XX_CONTROL_FUSE_IVA_OPP50 0x22C
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@ -135,11 +135,20 @@ static u16 _omap3_dpll_compute_freqsel(struct clk *clk, u8 n)
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*/
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static int _omap3_noncore_dpll_lock(struct clk *clk)
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{
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const struct dpll_data *dd;
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u8 ai;
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int r;
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u8 state = 1;
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int r = 0;
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pr_debug("clock: locking DPLL %s\n", clk->name);
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dd = clk->dpll_data;
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state <<= __ffs(dd->idlest_mask);
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/* Check if already locked */
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if ((__raw_readl(dd->idlest_reg) & dd->idlest_mask) == state)
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goto done;
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ai = omap3_dpll_autoidle_read(clk);
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if (ai)
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@ -152,6 +161,7 @@ static int _omap3_noncore_dpll_lock(struct clk *clk)
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if (ai)
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omap3_dpll_allow_idle(clk);
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done:
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return r;
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}
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@ -415,6 +415,49 @@ static int _set_softreset(struct omap_hwmod *oh, u32 *v)
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return 0;
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}
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/**
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* _set_dmadisable: set OCP_SYSCONFIG.DMADISABLE bit in @v
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* @oh: struct omap_hwmod *
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*
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* The DMADISABLE bit is a semi-automatic bit present in sysconfig register
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* of some modules. When the DMA must perform read/write accesses, the
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* DMADISABLE bit is cleared by the hardware. But when the DMA must stop
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* for power management, software must set the DMADISABLE bit back to 1.
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*
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* Set the DMADISABLE bit in @v for hwmod @oh. Returns -EINVAL upon
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* error or 0 upon success.
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*/
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static int _set_dmadisable(struct omap_hwmod *oh)
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{
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u32 v;
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u32 dmadisable_mask;
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if (!oh->class->sysc ||
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!(oh->class->sysc->sysc_flags & SYSC_HAS_DMADISABLE))
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return -EINVAL;
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if (!oh->class->sysc->sysc_fields) {
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WARN(1, "omap_hwmod: %s: offset struct for sysconfig not provided in class\n", oh->name);
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return -EINVAL;
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}
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/* clocks must be on for this operation */
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if (oh->_state != _HWMOD_STATE_ENABLED) {
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pr_warn("omap_hwmod: %s: dma can be disabled only from enabled state\n", oh->name);
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return -EINVAL;
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}
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pr_debug("omap_hwmod: %s: setting DMADISABLE\n", oh->name);
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v = oh->_sysc_cache;
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dmadisable_mask =
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(0x1 << oh->class->sysc->sysc_fields->dmadisable_shift);
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v |= dmadisable_mask;
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_write_sysconfig(v, oh);
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return 0;
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}
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/**
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* _set_module_autoidle: set the OCP_SYSCONFIG AUTOIDLE field in @v
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* @oh: struct omap_hwmod *
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@ -1652,11 +1695,17 @@ dis_opt_clks:
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* therefore have no OCP header registers to access. Others (like the
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* IVA) have idiosyncratic reset sequences. So for these relatively
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* rare cases, custom reset code can be supplied in the struct
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* omap_hwmod_class .reset function pointer. Passes along the return
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* value from either _ocp_softreset() or the custom reset function -
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* these must return -EINVAL if the hwmod cannot be reset this way or
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* if the hwmod is in the wrong state, -ETIMEDOUT if the module did
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* not reset in time, or 0 upon success.
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* omap_hwmod_class .reset function pointer.
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*
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* _set_dmadisable() is called to set the DMADISABLE bit so that it
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* does not prevent idling of the system. This is necessary for cases
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* where ROMCODE/BOOTLOADER uses dma and transfers control to the
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* kernel without disabling dma.
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*
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* Passes along the return value from either _ocp_softreset() or the
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* custom reset function - these must return -EINVAL if the hwmod
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* cannot be reset this way or if the hwmod is in the wrong state,
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* -ETIMEDOUT if the module did not reset in time, or 0 upon success.
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*/
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static int _reset(struct omap_hwmod *oh)
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{
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@ -1678,6 +1727,8 @@ static int _reset(struct omap_hwmod *oh)
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}
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}
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_set_dmadisable(oh);
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/*
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* OCP_SYSCONFIG bits need to be reprogrammed after a
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* softreset. The _enable() function should be split to avoid
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@ -47,6 +47,16 @@ struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2 = {
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.midle_shift = SYSC_TYPE2_MIDLEMODE_SHIFT,
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.sidle_shift = SYSC_TYPE2_SIDLEMODE_SHIFT,
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.srst_shift = SYSC_TYPE2_SOFTRESET_SHIFT,
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.dmadisable_shift = SYSC_TYPE2_DMADISABLE_SHIFT,
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};
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/**
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* struct omap_hwmod_sysc_type3 - TYPE3 sysconfig scheme.
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* Used by some IPs on AM33xx
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*/
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struct omap_hwmod_sysc_fields omap_hwmod_sysc_type3 = {
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.midle_shift = SYSC_TYPE3_MIDLEMODE_SHIFT,
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.sidle_shift = SYSC_TYPE3_SIDLEMODE_SHIFT,
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};
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struct omap_dss_dispc_dev_attr omap2_3_dss_dispc_dev_attr = {
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@ -526,7 +526,8 @@ int pwrdm_read_next_pwrst(struct powerdomain *pwrdm)
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*
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* Return the powerdomain @pwrdm's current power state. Returns -EINVAL
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* if the powerdomain pointer is null or returns the current power state
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* upon success.
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* upon success. Note that if the power domain only supports the ON state
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* then just return ON as the current state.
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*/
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int pwrdm_read_pwrst(struct powerdomain *pwrdm)
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{
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@ -535,6 +536,9 @@ int pwrdm_read_pwrst(struct powerdomain *pwrdm)
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if (!pwrdm)
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return -EINVAL;
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if (pwrdm->pwrsts == PWRSTS_ON)
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return PWRDM_POWER_ON;
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if (arch_pwrdm && arch_pwrdm->pwrdm_read_pwrst)
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ret = arch_pwrdm->pwrdm_read_pwrst(pwrdm);
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@ -35,6 +35,7 @@
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#include "prm2xxx_3xxx.h"
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#include "prm44xx.h"
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#include "prminst44xx.h"
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#include "cminst44xx.h"
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#include "prm-regbits-24xx.h"
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#include "prm-regbits-44xx.h"
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#include "control.h"
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@ -164,3 +165,25 @@ void __init omap2_set_globals_prcm(struct omap_globals *omap2_globals)
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omap_cm_base_init();
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}
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}
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/*
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* Stubbed functions so that common files continue to build when
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* custom builds are used
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* XXX These are temporary and should be removed at the earliest possible
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* opportunity
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*/
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int __weak omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs,
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u16 clkctrl_offs)
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{
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return 0;
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}
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void __weak omap4_cminst_module_enable(u8 mode, u8 part, u16 inst,
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s16 cdoffs, u16 clkctrl_offs)
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{
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}
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void __weak omap4_cminst_module_disable(u8 part, u16 inst, s16 cdoffs,
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u16 clkctrl_offs)
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{
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}
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@ -228,68 +228,6 @@
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#ifndef __ASSEMBLER__
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/*
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* Stub omap2xxx/omap3xxx functions so that common files
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* continue to build when custom builds are used
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*/
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#if defined(CONFIG_ARCH_OMAP4) && !(defined(CONFIG_ARCH_OMAP2) || \
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defined(CONFIG_ARCH_OMAP3))
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static inline u32 omap2_prm_read_mod_reg(s16 module, u16 idx)
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{
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WARN(1, "prm: omap2xxx/omap3xxx specific function and "
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"not suppose to be used on omap4\n");
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return 0;
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}
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static inline void omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx)
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{
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WARN(1, "prm: omap2xxx/omap3xxx specific function and "
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"not suppose to be used on omap4\n");
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}
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static inline u32 omap2_prm_rmw_mod_reg_bits(u32 mask, u32 bits,
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s16 module, s16 idx)
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{
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WARN(1, "prm: omap2xxx/omap3xxx specific function and "
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"not suppose to be used on omap4\n");
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return 0;
|
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}
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static inline u32 omap2_prm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
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{
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WARN(1, "prm: omap2xxx/omap3xxx specific function and "
|
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"not suppose to be used on omap4\n");
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return 0;
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}
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static inline u32 omap2_prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
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{
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WARN(1, "prm: omap2xxx/omap3xxx specific function and "
|
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"not suppose to be used on omap4\n");
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return 0;
|
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}
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static inline u32 omap2_prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask)
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{
|
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WARN(1, "prm: omap2xxx/omap3xxx specific function and "
|
||||
"not suppose to be used on omap4\n");
|
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return 0;
|
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}
|
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static inline int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift)
|
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{
|
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WARN(1, "prm: omap2xxx/omap3xxx specific function and "
|
||||
"not suppose to be used on omap4\n");
|
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return 0;
|
||||
}
|
||||
static inline int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift)
|
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{
|
||||
WARN(1, "prm: omap2xxx/omap3xxx specific function and "
|
||||
"not suppose to be used on omap4\n");
|
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return 0;
|
||||
}
|
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static inline int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift,
|
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u8 st_shift)
|
||||
{
|
||||
WARN(1, "prm: omap2xxx/omap3xxx specific function and "
|
||||
"not suppose to be used on omap4\n");
|
||||
return 0;
|
||||
}
|
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#else
|
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/* Power/reset management domain register get/set */
|
||||
extern u32 omap2_prm_read_mod_reg(s16 module, u16 idx);
|
||||
extern void omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx);
|
||||
@ -320,9 +258,6 @@ extern void omap3xxx_prm_read_pending_irqs(unsigned long *events);
|
||||
extern void omap3xxx_prm_ocp_barrier(void);
|
||||
extern void omap3xxx_prm_save_and_clear_irqen(u32 *saved_mask);
|
||||
extern void omap3xxx_prm_restore_irqen(u32 *saved_mask);
|
||||
|
||||
#endif /* CONFIG_ARCH_OMAP4 */
|
||||
|
||||
#endif
|
||||
|
||||
/*
|
||||
|
@ -319,3 +319,65 @@ err:
|
||||
omap_prcm_irq_cleanup();
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
/*
|
||||
* Stubbed functions so that common files continue to build when
|
||||
* custom builds are used
|
||||
* XXX These are temporary and should be removed at the earliest possible
|
||||
* opportunity
|
||||
*/
|
||||
u32 __weak omap2_prm_read_mod_reg(s16 module, u16 idx)
|
||||
{
|
||||
WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
void __weak omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx)
|
||||
{
|
||||
WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n");
|
||||
}
|
||||
|
||||
u32 __weak omap2_prm_rmw_mod_reg_bits(u32 mask, u32 bits,
|
||||
s16 module, s16 idx)
|
||||
{
|
||||
WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
u32 __weak omap2_prm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
|
||||
{
|
||||
WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
u32 __weak omap2_prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
|
||||
{
|
||||
WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
u32 __weak omap2_prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask)
|
||||
{
|
||||
WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
int __weak omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift)
|
||||
{
|
||||
WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
int __weak omap2_prm_assert_hardreset(s16 prm_mod, u8 shift)
|
||||
{
|
||||
WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
int __weak omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift,
|
||||
u8 st_shift)
|
||||
{
|
||||
WARN(1, "prm: omap2xxx/omap3xxx specific function called on non-omap2xxx/3xxx\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -41,6 +41,7 @@ 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
|
||||
@ -69,6 +70,17 @@ extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2;
|
||||
#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
|
||||
@ -283,6 +295,7 @@ struct omap_hwmod_ocp_if {
|
||||
#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
|
||||
@ -298,6 +311,7 @@ struct omap_hwmod_ocp_if {
|
||||
* @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;
|
||||
@ -306,6 +320,7 @@ struct omap_hwmod_sysc_fields {
|
||||
u8 enwkup_shift;
|
||||
u8 srst_shift;
|
||||
u8 autoidle_shift;
|
||||
u8 dmadisable_shift;
|
||||
};
|
||||
|
||||
/**
|
||||
@ -374,11 +389,13 @@ struct omap_hwmod_omap2_prcm {
|
||||
* 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
|
||||
* @rstst_reg: (AM33XX only) address of the XXX_RSTST register in the PRM
|
||||
* @submodule_wkdep_bit: bit shift of the WKDEP range
|
||||
*/
|
||||
struct omap_hwmod_omap4_prcm {
|
||||
u16 clkctrl_offs;
|
||||
u16 rstctrl_offs;
|
||||
u16 rstst_offs;
|
||||
u16 context_offs;
|
||||
u8 submodule_wkdep_bit;
|
||||
u8 modulemode;
|
||||
|
Loading…
Reference in New Issue
Block a user