diff options
Diffstat (limited to 'arch/arm/mach-omap2')
| -rw-r--r-- | arch/arm/mach-omap2/Kconfig | 12 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/Makefile | 8 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clock.c | 18 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clock3xxx_data.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clock44xx_data.c | 22 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clockdomain44xx.c | 10 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/cminst44xx.c | 14 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/cminst44xx.h | 25 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/common.c | 10 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/common.h | 5 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/control.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/dpll3xxx.c | 26 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/id.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 76 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_common_data.c | 10 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/powerdomain.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/prcm.c | 23 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/prm2xxx_3xxx.h | 65 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/prm_common.c | 62 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/timer.c | 3 |
20 files changed, 245 insertions, 157 deletions
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 184469517f1..2776eaacac5 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -21,12 +21,16 @@ config ARCH_OMAP2PLUS_TYPICAL help Compile a kernel suitable for booting most boards +config SOC_HAS_OMAP2_SDRC + bool "OMAP2 SDRAM Controller support" + config ARCH_OMAP2 bool "TI OMAP2" depends on ARCH_OMAP2PLUS default y select CPU_V6 select MULTI_IRQ_HANDLER + select SOC_HAS_OMAP2_SDRC config ARCH_OMAP3 bool "TI OMAP3" @@ -39,6 +43,7 @@ config ARCH_OMAP3 select PM_OPP if PM select ARM_CPU_SUSPEND if PM select MULTI_IRQ_HANDLER + select SOC_HAS_OMAP2_SDRC config ARCH_OMAP4 bool "TI OMAP4" @@ -66,16 +71,19 @@ config SOC_OMAP2420 depends on ARCH_OMAP2 default y select OMAP_DM_TIMER + select SOC_HAS_OMAP2_SDRC config SOC_OMAP2430 bool "OMAP2430 support" depends on ARCH_OMAP2 default y + select SOC_HAS_OMAP2_SDRC config SOC_OMAP3430 bool "OMAP3430 support" depends on ARCH_OMAP3 default y + select SOC_HAS_OMAP2_SDRC config SOC_TI81XX bool "TI81XX support" @@ -84,8 +92,10 @@ config SOC_TI81XX config SOC_AM33XX bool "AM33XX support" - depends on ARCH_OMAP3 default y + select CPU_V7 + select ARM_CPU_SUSPEND if PM + select MULTI_IRQ_HANDLER config OMAP_PACKAGE_ZAF bool diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 821794fd03d..bdfd400b499 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -6,7 +6,7 @@ obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer.o pm.o \ common.o gpio.o dma.o wd_timer.o display.o i2c.o hdq1w.o -omap-2-3-common = irq.o sdrc.o +omap-2-3-common = irq.o hwmod-common = omap_hwmod.o \ omap_hwmod_common_data.o clock-common = clock.o clock_common_data.o \ @@ -16,12 +16,14 @@ secure-common = omap-smc.o omap-secure.o obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(hwmod-common) obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(hwmod-common) $(secure-common) obj-$(CONFIG_ARCH_OMAP4) += prm44xx.o $(hwmod-common) $(secure-common) +obj-$(CONFIG_SOC_AM33XX) += irq.o $(hwmod-common) ifneq ($(CONFIG_SND_OMAP_SOC_MCBSP),) obj-y += mcbsp.o endif obj-$(CONFIG_TWL4030_CORE) += omap_twl.o +obj-$(CONFIG_SOC_HAS_OMAP2_SDRC) += sdrc.o # SMP support ONLY available for OMAP4 @@ -103,6 +105,7 @@ obj-$(CONFIG_ARCH_OMAP3) += $(voltagedomain-common) obj-$(CONFIG_ARCH_OMAP3) += voltagedomains3xxx_data.o obj-$(CONFIG_ARCH_OMAP4) += $(voltagedomain-common) obj-$(CONFIG_ARCH_OMAP4) += voltagedomains44xx_data.o +obj-$(CONFIG_SOC_AM33XX) += $(voltagedomain-common) obj-$(CONFIG_SOC_AM33XX) += voltagedomains33xx_data.o # OMAP powerdomain framework @@ -118,6 +121,7 @@ obj-$(CONFIG_ARCH_OMAP3) += powerdomains2xxx_3xxx_data.o obj-$(CONFIG_ARCH_OMAP4) += $(powerdomain-common) obj-$(CONFIG_ARCH_OMAP4) += powerdomain44xx.o obj-$(CONFIG_ARCH_OMAP4) += powerdomains44xx_data.o +obj-$(CONFIG_SOC_AM33XX) += $(powerdomain-common) obj-$(CONFIG_SOC_AM33XX) += powerdomain33xx.o obj-$(CONFIG_SOC_AM33XX) += powerdomains33xx_data.o @@ -135,6 +139,7 @@ obj-$(CONFIG_ARCH_OMAP3) += clockdomains3xxx_data.o obj-$(CONFIG_ARCH_OMAP4) += $(clockdomain-common) obj-$(CONFIG_ARCH_OMAP4) += clockdomain44xx.o obj-$(CONFIG_ARCH_OMAP4) += clockdomains44xx_data.o +obj-$(CONFIG_SOC_AM33XX) += $(clockdomain-common) obj-$(CONFIG_SOC_AM33XX) += clockdomain33xx.o obj-$(CONFIG_SOC_AM33XX) += clockdomains33xx_data.o @@ -154,6 +159,7 @@ obj-$(CONFIG_ARCH_OMAP3) += dpll3xxx.o clock3xxx_data.o obj-$(CONFIG_ARCH_OMAP3) += clkt_iclk.o obj-$(CONFIG_ARCH_OMAP4) += $(clock-common) clock44xx_data.o obj-$(CONFIG_ARCH_OMAP4) += dpll3xxx.o dpll44xx.o +obj-$(CONFIG_SOC_AM33XX) += $(clock-common) dpll3xxx.o # OMAP2 clock rate set data (old "OPP" data) obj-$(CONFIG_SOC_OMAP2420) += opp2420_data.o diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index 5c4e6654216..ea3f565ba1a 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -398,24 +398,6 @@ int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent) return omap2_clksel_set_parent(clk, new_parent); } -/* OMAP3/4 non-CORE DPLL clkops */ - -#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) - -const struct clkops clkops_omap3_noncore_dpll_ops = { - .enable = omap3_noncore_dpll_enable, - .disable = omap3_noncore_dpll_disable, - .allow_idle = omap3_dpll_allow_idle, - .deny_idle = omap3_dpll_deny_idle, -}; - -const struct clkops clkops_omap3_core_dpll_ops = { - .allow_idle = omap3_dpll_allow_idle, - .deny_idle = omap3_dpll_deny_idle, -}; - -#endif - /* * OMAP2+ clock reset and init functions */ diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c index 51f7430f6d3..c3e91d0dd2f 100644 --- a/arch/arm/mach-omap2/clock3xxx_data.c +++ b/arch/arm/mach-omap2/clock3xxx_data.c @@ -3495,7 +3495,7 @@ int __init omap3xxx_clk_init(void) } else if (cpu_is_ti816x()) { cpu_mask = RATE_IN_TI816X; cpu_clkflg = CK_TI816X; - } else if (cpu_is_am33xx()) { + } else if (soc_is_am33xx()) { cpu_mask = RATE_IN_AM33XX; } else if (cpu_is_ti814x()) { cpu_mask = RATE_IN_TI814X; diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c index de53b7014b8..1b0b049fe44 100644 --- a/arch/arm/mach-omap2/clock44xx_data.c +++ b/arch/arm/mach-omap2/clock44xx_data.c @@ -3299,17 +3299,17 @@ static struct omap_clk omap44xx_clks[] = { CLK(NULL, "smartreflex_core_fck", &smartreflex_core_fck, CK_443X), CLK(NULL, "smartreflex_iva_fck", &smartreflex_iva_fck, CK_443X), CLK(NULL, "smartreflex_mpu_fck", &smartreflex_mpu_fck, CK_443X), - CLK(NULL, "gpt1_fck", &timer1_fck, CK_443X), - CLK(NULL, "gpt10_fck", &timer10_fck, CK_443X), - CLK(NULL, "gpt11_fck", &timer11_fck, CK_443X), - CLK(NULL, "gpt2_fck", &timer2_fck, CK_443X), - CLK(NULL, "gpt3_fck", &timer3_fck, CK_443X), - CLK(NULL, "gpt4_fck", &timer4_fck, CK_443X), - CLK(NULL, "gpt5_fck", &timer5_fck, CK_443X), - CLK(NULL, "gpt6_fck", &timer6_fck, CK_443X), - CLK(NULL, "gpt7_fck", &timer7_fck, CK_443X), - CLK(NULL, "gpt8_fck", &timer8_fck, CK_443X), - CLK(NULL, "gpt9_fck", &timer9_fck, CK_443X), + CLK(NULL, "timer1_fck", &timer1_fck, CK_443X), + CLK(NULL, "timer10_fck", &timer10_fck, CK_443X), + CLK(NULL, "timer11_fck", &timer11_fck, CK_443X), + CLK(NULL, "timer2_fck", &timer2_fck, CK_443X), + CLK(NULL, "timer3_fck", &timer3_fck, CK_443X), + CLK(NULL, "timer4_fck", &timer4_fck, CK_443X), + CLK(NULL, "timer5_fck", &timer5_fck, CK_443X), + CLK(NULL, "timer6_fck", &timer6_fck, CK_443X), + CLK(NULL, "timer7_fck", &timer7_fck, CK_443X), + CLK(NULL, "timer8_fck", &timer8_fck, CK_443X), + CLK(NULL, "timer9_fck", &timer9_fck, CK_443X), CLK(NULL, "uart1_fck", &uart1_fck, CK_443X), CLK(NULL, "uart2_fck", &uart2_fck, CK_443X), CLK(NULL, "uart3_fck", &uart3_fck, CK_443X), diff --git a/arch/arm/mach-omap2/clockdomain44xx.c b/arch/arm/mach-omap2/clockdomain44xx.c index 4f04dd11d65..762f2cc542c 100644 --- a/arch/arm/mach-omap2/clockdomain44xx.c +++ b/arch/arm/mach-omap2/clockdomain44xx.c @@ -70,7 +70,7 @@ static int omap4_clkdm_clear_all_wkup_sleep_deps(struct clockdomain *clkdm) static int omap4_clkdm_sleep(struct clockdomain *clkdm) { - omap4_cminst_clkdm_force_sleep(clkdm->prcm_partition, + omap4_cminst_clkdm_enable_hwsup(clkdm->prcm_partition, clkdm->cm_inst, clkdm->clkdm_offs); return 0; } @@ -90,8 +90,12 @@ static void omap4_clkdm_allow_idle(struct clockdomain *clkdm) static void omap4_clkdm_deny_idle(struct clockdomain *clkdm) { - omap4_cminst_clkdm_disable_hwsup(clkdm->prcm_partition, - clkdm->cm_inst, clkdm->clkdm_offs); + if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP) + omap4_clkdm_wakeup(clkdm); + else + omap4_cminst_clkdm_disable_hwsup(clkdm->prcm_partition, + clkdm->cm_inst, + clkdm->clkdm_offs); } static int omap4_clkdm_clk_enable(struct clockdomain *clkdm) diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c index 1a39945d9ff..1894015ff04 100644 --- a/arch/arm/mach-omap2/cminst44xx.c +++ b/arch/arm/mach-omap2/cminst44xx.c @@ -235,20 +235,6 @@ void omap4_cminst_clkdm_disable_hwsup(u8 part, s16 inst, u16 cdoffs) } /** - * omap4_cminst_clkdm_force_sleep - try to put a clockdomain into idle - * @part: PRCM partition ID that the clockdomain registers exist in - * @inst: CM instance register offset (*_INST macro) - * @cdoffs: Clockdomain register offset (*_CDOFFS macro) - * - * Put a clockdomain referred to by (@part, @inst, @cdoffs) into idle - * No return value. - */ -void omap4_cminst_clkdm_force_sleep(u8 part, s16 inst, u16 cdoffs) -{ - _clktrctrl_write(OMAP34XX_CLKSTCTRL_FORCE_SLEEP, part, inst, cdoffs); -} - -/** * omap4_cminst_clkdm_force_sleep - try to take a clockdomain out of idle * @part: PRCM partition ID that the clockdomain registers exist in * @inst: CM instance register offset (*_INST macro) diff --git a/arch/arm/mach-omap2/cminst44xx.h b/arch/arm/mach-omap2/cminst44xx.h index a018a732787..d69fdefef98 100644 --- a/arch/arm/mach-omap2/cminst44xx.h +++ b/arch/arm/mach-omap2/cminst44xx.h @@ -16,38 +16,13 @@ extern void omap4_cminst_clkdm_enable_hwsup(u8 part, s16 inst, u16 cdoffs); extern void omap4_cminst_clkdm_disable_hwsup(u8 part, s16 inst, u16 cdoffs); extern void omap4_cminst_clkdm_force_sleep(u8 part, s16 inst, u16 cdoffs); extern void omap4_cminst_clkdm_force_wakeup(u8 part, s16 inst, u16 cdoffs); - extern int omap4_cminst_wait_module_ready(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_offs); - -# ifdef CONFIG_ARCH_OMAP4 extern int omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_offs); - extern void omap4_cminst_module_enable(u8 mode, u8 part, u16 inst, s16 cdoffs, u16 clkctrl_offs); extern void omap4_cminst_module_disable(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_offs); - -# else - -static inline int omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs, - u16 clkctrl_offs) -{ - return 0; -} - -static inline void omap4_cminst_module_enable(u8 mode, u8 part, u16 inst, - s16 cdoffs, u16 clkctrl_offs) -{ -} - -static inline void omap4_cminst_module_disable(u8 part, u16 inst, s16 cdoffs, - u16 clkctrl_offs) -{ -} - -# endif - /* * In an ideal world, we would not export these low-level functions, * but this will probably take some time to fix properly diff --git a/arch/arm/mach-omap2/common.c b/arch/arm/mach-omap2/common.c index 8a6953a34fe..73d2a0b9ca0 100644 --- a/arch/arm/mach-omap2/common.c +++ b/arch/arm/mach-omap2/common.c @@ -29,8 +29,6 @@ /* Global address base setup code */ -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - static void __init __omap2_set_globals(struct omap_globals *omap2_globals) { omap2_set_globals_tap(omap2_globals); @@ -39,8 +37,6 @@ static void __init __omap2_set_globals(struct omap_globals *omap2_globals) omap2_set_globals_prcm(omap2_globals); } -#endif - #if defined(CONFIG_SOC_OMAP2420) static struct omap_globals omap242x_globals = { @@ -134,7 +130,9 @@ void __init ti81xx_map_io(void) { omapti81xx_map_common_io(); } +#endif +#if defined(CONFIG_SOC_AM33XX) #define AM33XX_TAP_BASE (AM33XX_CTRL_BASE + \ TI81XX_CONTROL_DEVICE_ID - 0x204) @@ -171,9 +169,7 @@ static struct omap_globals omap4_globals = { void __init omap2_set_globals_443x(void) { - omap2_set_globals_tap(&omap4_globals); - omap2_set_globals_control(&omap4_globals); - omap2_set_globals_prcm(&omap4_globals); + __omap2_set_globals(&omap4_globals); } void __init omap4_map_io(void) diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h index 5d99c1b2cb4..404f172d95a 100644 --- a/arch/arm/mach-omap2/common.h +++ b/arch/arm/mach-omap2/common.h @@ -174,7 +174,12 @@ void omap2_set_globals_am33xx(void); /* These get called from omap2_set_globals_xxxx(), do not call these */ void omap2_set_globals_tap(struct omap_globals *); +#if defined(CONFIG_SOC_HAS_OMAP2_SDRC) void omap2_set_globals_sdrc(struct omap_globals *); +#else +static inline void omap2_set_globals_sdrc(struct omap_globals *omap2_globals) +{ } +#endif void omap2_set_globals_control(struct omap_globals *); void omap2_set_globals_prcm(struct omap_globals *); diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h index 5baf305386e..295b39047a7 100644 --- a/arch/arm/mach-omap2/control.h +++ b/arch/arm/mach-omap2/control.h @@ -188,6 +188,7 @@ #define OMAP3630_CONTROL_FUSE_OPP120_VDD1 (OMAP2_CONTROL_GENERAL + 0x0120) #define OMAP3630_CONTROL_FUSE_OPP50_VDD2 (OMAP2_CONTROL_GENERAL + 0x0128) #define OMAP3630_CONTROL_FUSE_OPP100_VDD2 (OMAP2_CONTROL_GENERAL + 0x012C) +#define OMAP3630_CONTROL_CAMERA_PHY_CTRL (OMAP2_CONTROL_GENERAL + 0x02f0) /* OMAP44xx control efuse offsets */ #define OMAP44XX_CONTROL_FUSE_IVA_OPP50 0x22C diff --git a/arch/arm/mach-omap2/dpll3xxx.c b/arch/arm/mach-omap2/dpll3xxx.c index f0f10beeffe..b9c8d2f6a81 100644 --- a/arch/arm/mach-omap2/dpll3xxx.c +++ b/arch/arm/mach-omap2/dpll3xxx.c @@ -135,11 +135,20 @@ static u16 _omap3_dpll_compute_freqsel(struct clk *clk, u8 n) */ static int _omap3_noncore_dpll_lock(struct clk *clk) { + const struct dpll_data *dd; u8 ai; - int r; + u8 state = 1; + int r = 0; pr_debug("clock: locking DPLL %s\n", clk->name); + dd = clk->dpll_data; + state <<= __ffs(dd->idlest_mask); + + /* Check if already locked */ + if ((__raw_readl(dd->idlest_reg) & dd->idlest_mask) == state) + goto done; + ai = omap3_dpll_autoidle_read(clk); if (ai) @@ -152,6 +161,7 @@ static int _omap3_noncore_dpll_lock(struct clk *clk) if (ai) omap3_dpll_allow_idle(clk); +done: return r; } @@ -628,3 +638,17 @@ unsigned long omap3_clkoutx2_recalc(struct clk *clk) rate = clk->parent->rate * 2; return rate; } + +/* OMAP3/4 non-CORE DPLL clkops */ + +const struct clkops clkops_omap3_noncore_dpll_ops = { + .enable = omap3_noncore_dpll_enable, + .disable = omap3_noncore_dpll_disable, + .allow_idle = omap3_dpll_allow_idle, + .deny_idle = omap3_dpll_deny_idle, +}; + +const struct clkops clkops_omap3_core_dpll_ops = { + .allow_idle = omap3_dpll_allow_idle, + .deny_idle = omap3_dpll_deny_idle, +}; diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 00486a8564f..37eb95aaf2f 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -44,7 +44,7 @@ int omap_type(void) if (cpu_is_omap24xx()) { val = omap_ctrl_readl(OMAP24XX_CONTROL_STATUS); - } else if (cpu_is_am33xx()) { + } else if (soc_is_am33xx()) { val = omap_ctrl_readl(AM33XX_CONTROL_STATUS); } else if (cpu_is_omap34xx()) { val = omap_ctrl_readl(OMAP343X_CONTROL_STATUS); @@ -189,7 +189,7 @@ static void __init omap3_cpuinfo(void) cpu_name = (omap3_has_sgx()) ? "AM3517" : "AM3505"; } else if (cpu_is_ti816x()) { cpu_name = "TI816X"; - } else if (cpu_is_am335x()) { + } else if (soc_is_am335x()) { cpu_name = "AM335X"; } else if (cpu_is_ti814x()) { cpu_name = "TI814X"; diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index bdc1ec2edb4..5d82bfca38c 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -416,6 +416,49 @@ static int _set_softreset(struct omap_hwmod *oh, u32 *v) } /** + * _set_dmadisable: set OCP_SYSCONFIG.DMADISABLE bit in @v + * @oh: struct omap_hwmod * + * + * The DMADISABLE bit is a semi-automatic bit present in sysconfig register + * of some modules. When the DMA must perform read/write accesses, the + * DMADISABLE bit is cleared by the hardware. But when the DMA must stop + * for power management, software must set the DMADISABLE bit back to 1. + * + * Set the DMADISABLE bit in @v for hwmod @oh. Returns -EINVAL upon + * error or 0 upon success. + */ +static int _set_dmadisable(struct omap_hwmod *oh) +{ + u32 v; + u32 dmadisable_mask; + + if (!oh->class->sysc || + !(oh->class->sysc->sysc_flags & SYSC_HAS_DMADISABLE)) + return -EINVAL; + + if (!oh->class->sysc->sysc_fields) { + WARN(1, "omap_hwmod: %s: offset struct for sysconfig not provided in class\n", oh->name); + return -EINVAL; + } + + /* clocks must be on for this operation */ + if (oh->_state != _HWMOD_STATE_ENABLED) { + pr_warn("omap_hwmod: %s: dma can be disabled only from enabled state\n", oh->name); + return -EINVAL; + } + + pr_debug("omap_hwmod: %s: setting DMADISABLE\n", oh->name); + + v = oh->_sysc_cache; + dmadisable_mask = + (0x1 << oh->class->sysc->sysc_fields->dmadisable_shift); + v |= dmadisable_mask; + _write_sysconfig(v, oh); + + return 0; +} + +/** * _set_module_autoidle: set the OCP_SYSCONFIG AUTOIDLE field in @v * @oh: struct omap_hwmod * * @autoidle: desired AUTOIDLE bitfield value (0 or 1) @@ -1668,11 +1711,17 @@ dis_opt_clks: * therefore have no OCP header registers to access. Others (like the * IVA) have idiosyncratic reset sequences. So for these relatively * rare cases, custom reset code can be supplied in the struct - * omap_hwmod_class .reset function pointer. Passes along the return - * value from either _ocp_softreset() or the custom reset function - - * these must return -EINVAL if the hwmod cannot be reset this way or - * if the hwmod is in the wrong state, -ETIMEDOUT if the module did - * not reset in time, or 0 upon success. + * omap_hwmod_class .reset function pointer. + * + * _set_dmadisable() is called to set the DMADISABLE bit so that it + * does not prevent idling of the system. This is necessary for cases + * where ROMCODE/BOOTLOADER uses dma and transfers control to the + * kernel without disabling dma. + * + * Passes along the return value from either _ocp_softreset() or the + * custom reset function - these must return -EINVAL if the hwmod + * cannot be reset this way or if the hwmod is in the wrong state, + * -ETIMEDOUT if the module did not reset in time, or 0 upon success. */ static int _reset(struct omap_hwmod *oh) { @@ -1694,6 +1743,8 @@ static int _reset(struct omap_hwmod *oh) } } + _set_dmadisable(oh); + /* * OCP_SYSCONFIG bits need to be reprogrammed after a * softreset. The _enable() function should be split to avoid @@ -3598,3 +3649,18 @@ void __init omap_hwmod_init(void) inited = true; } + +/** + * omap_hwmod_get_main_clk - get pointer to main clock name + * @oh: struct omap_hwmod * + * + * Returns the main clock name assocated with @oh upon success, + * or NULL if @oh is NULL. + */ +const char *omap_hwmod_get_main_clk(struct omap_hwmod *oh) +{ + if (!oh) + return NULL; + + return oh->main_clk; +} diff --git a/arch/arm/mach-omap2/omap_hwmod_common_data.c b/arch/arm/mach-omap2/omap_hwmod_common_data.c index 51e5418899f..9f1ccdc8cc8 100644 --- a/arch/arm/mach-omap2/omap_hwmod_common_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_common_data.c @@ -47,6 +47,16 @@ struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2 = { .midle_shift = SYSC_TYPE2_MIDLEMODE_SHIFT, .sidle_shift = SYSC_TYPE2_SIDLEMODE_SHIFT, .srst_shift = SYSC_TYPE2_SOFTRESET_SHIFT, + .dmadisable_shift = SYSC_TYPE2_DMADISABLE_SHIFT, +}; + +/** + * struct omap_hwmod_sysc_type3 - TYPE3 sysconfig scheme. + * Used by some IPs on AM33xx + */ +struct omap_hwmod_sysc_fields omap_hwmod_sysc_type3 = { + .midle_shift = SYSC_TYPE3_MIDLEMODE_SHIFT, + .sidle_shift = SYSC_TYPE3_SIDLEMODE_SHIFT, }; struct omap_dss_dispc_dev_attr omap2_3_dss_dispc_dev_attr = { diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index 96114901b93..2f963f702a0 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -526,7 +526,8 @@ int pwrdm_read_next_pwrst(struct powerdomain *pwrdm) * * Return the powerdomain @pwrdm's current power state. Returns -EINVAL * if the powerdomain pointer is null or returns the current power state - * upon success. + * upon success. Note that if the power domain only supports the ON state + * then just return ON as the current state. */ int pwrdm_read_pwrst(struct powerdomain *pwrdm) { @@ -535,6 +536,9 @@ int pwrdm_read_pwrst(struct powerdomain *pwrdm) if (!pwrdm) return -EINVAL; + if (pwrdm->pwrsts == PWRSTS_ON) + return PWRDM_POWER_ON; + if (arch_pwrdm && arch_pwrdm->pwrdm_read_pwrst) ret = arch_pwrdm->pwrdm_read_pwrst(pwrdm); diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c index 480f40a5ee4..28cbfb2b573 100644 --- a/arch/arm/mach-omap2/prcm.c +++ b/arch/arm/mach-omap2/prcm.c @@ -35,6 +35,7 @@ #include "prm2xxx_3xxx.h" #include "prm44xx.h" #include "prminst44xx.h" +#include "cminst44xx.h" #include "prm-regbits-24xx.h" #include "prm-regbits-44xx.h" #include "control.h" @@ -164,3 +165,25 @@ void __init omap2_set_globals_prcm(struct omap_globals *omap2_globals) omap_cm_base_init(); } } + +/* + * 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 + */ +int __weak omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs, + u16 clkctrl_offs) +{ + return 0; +} + +void __weak omap4_cminst_module_enable(u8 mode, u8 part, u16 inst, + s16 cdoffs, u16 clkctrl_offs) +{ +} + +void __weak omap4_cminst_module_disable(u8 part, u16 inst, s16 cdoffs, + u16 clkctrl_offs) +{ +} diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.h b/arch/arm/mach-omap2/prm2xxx_3xxx.h index 70ac2a19dc5..f7bb57fff41 100644 --- a/arch/arm/mach-omap2/prm2xxx_3xxx.h +++ b/arch/arm/mach-omap2/prm2xxx_3xxx.h @@ -228,68 +228,6 @@ #ifndef __ASSEMBLER__ -/* - * Stub omap2xxx/omap3xxx functions so that common files - * continue to build when custom builds are used - */ -#if defined(CONFIG_ARCH_OMAP4) && !(defined(CONFIG_ARCH_OMAP2) || \ - defined(CONFIG_ARCH_OMAP3)) -static inline u32 omap2_prm_read_mod_reg(s16 module, u16 idx) -{ - WARN(1, "prm: omap2xxx/omap3xxx specific function and " - "not suppose to be used on omap4\n"); - return 0; -} -static inline void omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx) -{ - WARN(1, "prm: omap2xxx/omap3xxx specific function and " - "not suppose to be used on omap4\n"); -} -static inline u32 omap2_prm_rmw_mod_reg_bits(u32 mask, u32 bits, - s16 module, s16 idx) -{ - WARN(1, "prm: omap2xxx/omap3xxx specific function and " - "not suppose to be used on omap4\n"); - return 0; -} -static inline u32 omap2_prm_set_mod_reg_bits(u32 bits, s16 module, s16 idx) -{ - WARN(1, "prm: omap2xxx/omap3xxx specific function and " - "not suppose to be used on omap4\n"); - return 0; -} -static inline u32 omap2_prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx) -{ - WARN(1, "prm: omap2xxx/omap3xxx specific function and " - "not suppose to be used on omap4\n"); - return 0; -} -static inline u32 omap2_prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask) -{ - WARN(1, "prm: omap2xxx/omap3xxx specific function and " - "not suppose to be used on omap4\n"); - return 0; -} -static inline int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift) -{ - WARN(1, "prm: omap2xxx/omap3xxx specific function and " - "not suppose to be used on omap4\n"); - return 0; -} -static inline int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift) -{ - WARN(1, "prm: omap2xxx/omap3xxx specific function and " - "not suppose to be used on omap4\n"); - return 0; -} -static inline int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, - u8 st_shift) -{ - WARN(1, "prm: omap2xxx/omap3xxx specific function and " - "not suppose to be used on omap4\n"); - return 0; -} -#else /* 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 /* diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c index 534d732caa1..03b126d9ad9 100644 --- a/arch/arm/mach-omap2/prm_common.c +++ b/arch/arm/mach-omap2/prm_common.c @@ -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; +} + diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index b5b5d92acd9..2b318ec92d3 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -168,8 +168,7 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer, return -ENXIO; /* After the dmtimer is using hwmod these clocks won't be needed */ - sprintf(name, "gpt%d_fck", gptimer_id); - timer->fclk = clk_get(NULL, name); + timer->fclk = clk_get(NULL, omap_hwmod_get_main_clk(oh)); if (IS_ERR(timer->fclk)) return -ENODEV; |