diff options
Diffstat (limited to 'arch/arm/plat-omap/include')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/common.h | 3 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/omap_device.h | 4 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/omap_hwmod.h | 56 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/prcm.h | 2 |
4 files changed, 48 insertions, 17 deletions
diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h index 9776b41ad76..c45dbb975e0 100644 --- a/arch/arm/plat-omap/include/plat/common.h +++ b/arch/arm/plat-omap/include/plat/common.h @@ -91,7 +91,8 @@ void omap3_map_io(void); }) extern struct device *omap2_get_mpuss_device(void); -extern struct device *omap2_get_dsp_device(void); +extern struct device *omap2_get_iva_device(void); extern struct device *omap2_get_l3_device(void); +extern struct device *omap4_get_dsp_device(void); #endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */ diff --git a/arch/arm/plat-omap/include/plat/omap_device.h b/arch/arm/plat-omap/include/plat/omap_device.h index 25cd9ac3b09..28e2d1a7843 100644 --- a/arch/arm/plat-omap/include/plat/omap_device.h +++ b/arch/arm/plat-omap/include/plat/omap_device.h @@ -36,6 +36,8 @@ #include <plat/omap_hwmod.h> +extern struct device omap_device_parent; + /* omap_device._state values */ #define OMAP_DEVICE_STATE_UNKNOWN 0 #define OMAP_DEVICE_STATE_ENABLED 1 @@ -62,7 +64,6 @@ * */ struct omap_device { - u32 magic; struct platform_device pdev; struct omap_hwmod **hwmods; struct omap_device_pm_latency *pm_lats; @@ -82,7 +83,6 @@ int omap_device_shutdown(struct platform_device *pdev); /* Core code interface */ -bool omap_device_is_valid(struct omap_device *od); int omap_device_count_resources(struct omap_device *od); int omap_device_fill_resources(struct omap_device *od, struct resource *res); diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h index a4e508dfaba..c1835afc238 100644 --- a/arch/arm/plat-omap/include/plat/omap_hwmod.h +++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h @@ -14,19 +14,16 @@ * * These headers and macros are used to define OMAP on-chip module * data and their integration with other OMAP modules and Linux. - * - * References: - * - OMAP2420 Multimedia Processor Silicon Revision 2.1.1, 2.2 (SWPU064) - * - OMAP2430 Multimedia Device POP Silicon Revision 2.1 (SWPU090) - * - OMAP34xx Multimedia Device Silicon Revision 3.1 (SWPU108) - * - OMAP4430 Multimedia Device Silicon Revision 1.0 (SWPU140) - * - Open Core Protocol Specification 2.2 + * 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? + * - remove unused fields * */ #ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD_H @@ -35,6 +32,7 @@ #include <linux/kernel.h> #include <linux/list.h> #include <linux/ioport.h> +#include <linux/mutex.h> #include <plat/cpu.h> struct omap_device; @@ -96,7 +94,7 @@ struct omap_hwmod_irq_info { /** * struct omap_hwmod_dma_info - DMA channels used by the hwmod * @name: name of the DMA channel (module local name) - * @dma_ch: DMA channel ID + * @dma_req: DMA request ID * * @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 @@ -104,7 +102,20 @@ struct omap_hwmod_irq_info { */ struct omap_hwmod_dma_info { const char *name; - u16 dma_ch; + u16 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 + * + * @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; }; /** @@ -237,8 +248,9 @@ struct omap_hwmod_ocp_if { #define SYSC_HAS_CLOCKACTIVITY (1 << 4) #define SYSC_HAS_SIDLEMODE (1 << 5) #define SYSC_HAS_MIDLEMODE (1 << 6) -#define SYSS_MISSING (1 << 7) +#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) /* omap_hwmod_sysconfig.clockact flags */ #define CLOCKACT_TEST_BOTH 0x0 @@ -327,10 +339,12 @@ 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: adress of the XXX_RSTCTRL register located in the PRM * @submodule_wkdep_bit: bit shift of the WKDEP range */ struct omap_hwmod_omap4_prcm { void __iomem *clkctrl_reg; + void __iomem *rstctrl_reg; u8 submodule_wkdep_bit; }; @@ -352,6 +366,10 @@ struct omap_hwmod_omap4_prcm { * 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. */ #define HWMOD_SWSUP_SIDLE (1 << 0) #define HWMOD_SWSUP_MSTANDBY (1 << 1) @@ -360,6 +378,7 @@ struct omap_hwmod_omap4_prcm { #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) /* * omap_hwmod._int_flags definitions @@ -410,7 +429,7 @@ struct omap_hwmod_class { * @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 (see also mpu_irqs_cnt) - * @sdma_chs: ptr to an array of SDMA channel IDs (see also sdma_chs_cnt) + * @sdma_reqs: ptr to an array of System DMA request IDs (see sdma_reqs_cnt) * @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) @@ -424,7 +443,7 @@ struct omap_hwmod_class { * @msuspendmux_reg_id: CONTROL_MSUSPENDMUX register ID (1-6) * @msuspendmux_shift: CONTROL_MSUSPENDMUX register bit shift * @mpu_irqs_cnt: number of @mpu_irqs - * @sdma_chs_cnt: number of @sdma_chs + * @sdma_reqs_cnt: number of @sdma_reqs * @opt_clks_cnt: number of @opt_clks * @master_cnt: number of @master entries * @slaves_cnt: number of @slave entries @@ -433,6 +452,7 @@ struct omap_hwmod_class { * @_state: internal-use hwmod state * @flags: hwmod flags (documented below) * @omap_chip: OMAP chips this hwmod is present on + * @_mutex: mutex 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 @@ -448,7 +468,8 @@ struct omap_hwmod { struct omap_hwmod_class *class; struct omap_device *od; struct omap_hwmod_irq_info *mpu_irqs; - struct omap_hwmod_dma_info *sdma_chs; + 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; @@ -461,6 +482,7 @@ struct omap_hwmod { void *dev_attr; u32 _sysc_cache; void __iomem *_mpu_rt_va; + struct mutex _mutex; struct list_head node; u16 flags; u8 _mpu_port_index; @@ -468,7 +490,8 @@ struct omap_hwmod { u8 msuspendmux_shift; u8 response_lat; u8 mpu_irqs_cnt; - u8 sdma_chs_cnt; + u8 sdma_reqs_cnt; + u8 rst_lines_cnt; u8 opt_clks_cnt; u8 masters_cnt; u8 slaves_cnt; @@ -492,6 +515,10 @@ int omap_hwmod_idle(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); @@ -534,5 +561,6 @@ int omap_hwmod_for_each_by_class(const char *classname, extern int omap2420_hwmod_init(void); extern int omap2430_hwmod_init(void); extern int omap3xxx_hwmod_init(void); +extern int omap44xx_hwmod_init(void); #endif diff --git a/arch/arm/plat-omap/include/plat/prcm.h b/arch/arm/plat-omap/include/plat/prcm.h index 9fbd91419cd..ab77442e42a 100644 --- a/arch/arm/plat-omap/include/plat/prcm.h +++ b/arch/arm/plat-omap/include/plat/prcm.h @@ -38,6 +38,8 @@ u32 prm_read_mod_reg(s16 module, u16 idx); void prm_write_mod_reg(u32 val, s16 module, u16 idx); u32 prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx); u32 prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask); +u32 omap4_prm_read_bits_shift(void __iomem *reg, u32 mask); +u32 omap4_prm_rmw_reg_bits(u32 mask, u32 bits, void __iomem *reg); u32 cm_read_mod_reg(s16 module, u16 idx); void cm_write_mod_reg(u32 val, s16 module, u16 idx); u32 cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx); |