Lines Matching refs:csr
356 u32 csr; in sbus_esp_dma_drain() local
362 csr = dma_read32(DMA_CSR); in sbus_esp_dma_drain()
363 if (!(csr & DMA_FIFO_ISDRAIN)) in sbus_esp_dma_drain()
367 dma_write32(csr | DMA_FIFO_STDRAIN, DMA_CSR); in sbus_esp_dma_drain()
422 u32 csr; in sbus_esp_send_dma_cmd() local
434 csr = esp->prev_hme_dmacsr; in sbus_esp_send_dma_cmd()
435 csr |= DMA_SCSI_DISAB | DMA_ENABLE; in sbus_esp_send_dma_cmd()
437 csr |= DMA_ST_WRITE; in sbus_esp_send_dma_cmd()
439 csr &= ~DMA_ST_WRITE; in sbus_esp_send_dma_cmd()
440 esp->prev_hme_dmacsr = csr; in sbus_esp_send_dma_cmd()
444 dma_write32(csr, DMA_CSR); in sbus_esp_send_dma_cmd()
446 csr = dma_read32(DMA_CSR); in sbus_esp_send_dma_cmd()
447 csr |= DMA_ENABLE; in sbus_esp_send_dma_cmd()
449 csr |= DMA_ST_WRITE; in sbus_esp_send_dma_cmd()
451 csr &= ~DMA_ST_WRITE; in sbus_esp_send_dma_cmd()
452 dma_write32(csr, DMA_CSR); in sbus_esp_send_dma_cmd()
466 u32 csr = dma_read32(DMA_CSR); in sbus_esp_dma_error() local
468 if (csr & DMA_HNDL_ERROR) in sbus_esp_dma_error()