diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/remoteproc.h')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/remoteproc.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/plat/remoteproc.h b/arch/arm/plat-omap/include/plat/remoteproc.h new file mode 100644 index 0000000..3de2a38 --- /dev/null +++ b/arch/arm/plat-omap/include/plat/remoteproc.h @@ -0,0 +1,151 @@ +/* + * Remote Processor - omap-specific bits + * + * Copyright (C) 2011 Texas Instruments, Inc. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _PLAT_REMOTEPROC_H +#define _PLAT_REMOTEPROC_H + +#include <linux/remoteproc.h> +#include <plat/omap_device.h> + +/* + * struct omap_rproc_timers_info - optional timers for the omap rproc + * + * @id: timer id to use by the remoteproc + * @odt: timer pointer + */ +struct omap_rproc_timers_info { + int id; + struct omap_dm_timer *odt; +}; + +/* + * struct omap_rproc_pdata - platform data for the omap rproc implementation + * + * @name: human readable name of the rproc, cannot exceed RPROC_MAN_NAME bytes + * @iommu_name: iommu device we're behind of + * @oh_name: omap hwmod device + * @oh_name_opt: optional, secondary omap hwmod device + * @firmware: name of firmware file to be loaded + * @clkdm_name: name of clock domain in which this device is located + * @clkdm: clock domain in which this device is located + * @ops: platform-specific start/stop rproc handlers + * @memory_maps: table of da-to-pa iommu memory maps + * @memory_pool: platform-specific pool data + * @omap_rproc_timers_info: optional, timer(s) rproc can use + */ +struct omap_rproc_pdata { + const char *name; + const char *iommu_name; + const char *oh_name; + const char *oh_name_opt; + const char *firmware; + const char *clkdm_name; + struct clockdomain *clkdm; + const struct rproc_ops *ops; + struct rproc_mem_pool *memory_pool; + struct omap_rproc_timers_info *timers; + u32 idle_addr; + u32 idle_mask; + u32 suspend_addr; + u32 suspend_mask; + unsigned sus_timeout; + char *sus_mbox_name; + u8 timers_cnt; +}; + +enum omap_rproc_mempool_type { + OMAP_RPROC_MEMPOOL_STATIC, + OMAP_RPROC_MEMPOOL_DYNAMIC +}; + +#if defined(CONFIG_OMAP_REMOTE_PROC) +void omap_ipu_reserve_sdram_memblock(void); +u32 omap_ipu_get_mempool_size(enum omap_rproc_mempool_type type); +phys_addr_t omap_ipu_get_mempool_base(enum omap_rproc_mempool_type type); +void omap_ipu_set_static_mempool(u32 start, u32 size); +#else +static inline void omap_ipu_reserve_sdram_memblock(void) { } +static inline u32 omap_ipu_get_mempool_size(enum omap_rproc_mempool_type type) +{ + return 0; +} +static inline phys_addr_t omap_ipu_get_mempool_base( + enum omap_rproc_mempool_type type) +{ + return 0; +} +static inline void omap_ipu_set_static_mempool(u32 start, u32 size) { } +#endif + +int omap_rproc_deactivate(struct omap_device *od); +int omap_rproc_activate(struct omap_device *od); +#define OMAP_RPROC_DEFAULT_PM_LATENCY \ + .deactivate_func = omap_rproc_deactivate, \ + .activate_func = omap_rproc_activate, \ + .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST + +struct exc_regs { + u32 r0; + u32 r1; + u32 r2; + u32 r3; + u32 r4; + u32 r5; + u32 r6; + u32 r7; + u32 r8; + u32 r9; + u32 r10; + u32 r11; + u32 r12; + u32 sp; + u32 lr; + u32 pc; + u32 psr; + u32 ICSR; /* NVIC registers */ + u32 MMFSR; + u32 BFSR; + u32 UFSR; + u32 HFSR; + u32 DFSR; + u32 MMAR; + u32 BFAR; + u32 AFSR; +}; + +static inline void remoteproc_fill_pt_regs(struct pt_regs *regs, + struct exc_regs *xregs) +{ + regs->ARM_r0 = xregs->r0; + regs->ARM_ORIG_r0 = xregs->r0; + regs->ARM_r1 = xregs->r1; + regs->ARM_r2 = xregs->r2; + regs->ARM_r3 = xregs->r3; + regs->ARM_r4 = xregs->r4; + regs->ARM_r5 = xregs->r5; + regs->ARM_r6 = xregs->r6; + regs->ARM_r7 = xregs->r7; + regs->ARM_r8 = xregs->r8; + regs->ARM_r9 = xregs->r9; + regs->ARM_r10 = xregs->r10; + regs->ARM_fp = xregs->r11; + regs->ARM_ip = xregs->r12; + regs->ARM_sp = xregs->sp; + regs->ARM_lr = xregs->lr; + regs->ARM_pc = xregs->pc; + regs->ARM_cpsr = xregs->psr; +} + +#endif /* _PLAT_REMOTEPROC_H */ |