diff options
Diffstat (limited to 'gxp-firmware.h')
| -rw-r--r-- | gxp-firmware.h | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/gxp-firmware.h b/gxp-firmware.h index 008af5a..aff602a 100644 --- a/gxp-firmware.h +++ b/gxp-firmware.h @@ -8,14 +8,25 @@ #define __GXP_FIRMWARE_H__ #include <linux/bitops.h> +#include <linux/sizes.h> +#include "gxp-config.h" #include "gxp-internal.h" #if !IS_ENABLED(CONFIG_GXP_TEST) +#ifdef CHIP_AURORA_SCRATCHPAD_OFF + +#define AURORA_SCRATCHPAD_OFF CHIP_AURORA_SCRATCHPAD_OFF +#define AURORA_SCRATCHPAD_LEN CHIP_AURORA_SCRATCHPAD_LEN + +#else /* CHIP_AURORA_SCRATCHPAD_OFF */ + #define AURORA_SCRATCHPAD_OFF 0x000FF000 /* Last 4KB of ELF load region */ #define AURORA_SCRATCHPAD_LEN 0x00001000 /* 4KB */ +#endif /* CHIP_AURORA_SCRATCHPAD_OFF */ + #else /* CONFIG_GXP_TEST */ /* Firmware memory is shrunk in unit tests. */ #define AURORA_SCRATCHPAD_OFF 0x000F0000 @@ -27,6 +38,31 @@ #define SCRATCHPAD_MSG_OFFSET(_msg_) (_msg_ << 2) +#define PRIVATE_FW_DATA_SIZE SZ_2M +#define SHARED_FW_DATA_SIZE SZ_1M + +struct gxp_firmware_manager { + const struct firmware *firmwares[GXP_NUM_CORES]; + char *firmware_name; + bool is_firmware_requested; + /* Protects `firmwares` and `firmware_name` */ + struct mutex dsp_firmware_lock; + /* Firmware status bitmap. Accessors must hold `vd_semaphore`. */ + u32 firmware_running; + /* + * The boundary of readonly segments and writable segments. + * The mappings are programmed as + * [fwbufs[i].daddr, rw_boundaries[i]): RO + * [rw_boundaries[i], daddr + fwbufs[i].size): RW + * + * The boundary information is collected by parsing the ELF + * header after @firmwares have been fetched. + */ + dma_addr_t rw_boundaries[GXP_NUM_CORES]; + /* Store the entry point of the DSP core firmware. */ + u32 entry_points[GXP_NUM_CORES]; +}; + enum aurora_msg { MSG_CORE_ALIVE, MSG_TOP_ACCESS_OK, @@ -37,7 +73,7 @@ enum aurora_msg { /* The caller must have locked gxp->vd_semaphore for reading. */ static inline bool gxp_is_fw_running(struct gxp_dev *gxp, uint core) { - return (gxp->firmware_running & BIT(core)) != 0; + return (gxp->firmware_mgr->firmware_running & BIT(core)) != 0; } /* |