Lines Matching refs:csr
322 u32 csr; in sbus_esp_dma_drain() local
328 csr = dma_read32(DMA_CSR); in sbus_esp_dma_drain()
329 if (!(csr & DMA_FIFO_ISDRAIN)) in sbus_esp_dma_drain()
333 dma_write32(csr | DMA_FIFO_STDRAIN, DMA_CSR); in sbus_esp_dma_drain()
388 u32 csr; in sbus_esp_send_dma_cmd() local
400 csr = esp->prev_hme_dmacsr; in sbus_esp_send_dma_cmd()
401 csr |= DMA_SCSI_DISAB | DMA_ENABLE; in sbus_esp_send_dma_cmd()
403 csr |= DMA_ST_WRITE; in sbus_esp_send_dma_cmd()
405 csr &= ~DMA_ST_WRITE; in sbus_esp_send_dma_cmd()
406 esp->prev_hme_dmacsr = csr; in sbus_esp_send_dma_cmd()
410 dma_write32(csr, DMA_CSR); in sbus_esp_send_dma_cmd()
412 csr = dma_read32(DMA_CSR); in sbus_esp_send_dma_cmd()
413 csr |= DMA_ENABLE; in sbus_esp_send_dma_cmd()
415 csr |= DMA_ST_WRITE; in sbus_esp_send_dma_cmd()
417 csr &= ~DMA_ST_WRITE; in sbus_esp_send_dma_cmd()
418 dma_write32(csr, DMA_CSR); in sbus_esp_send_dma_cmd()
432 u32 csr = dma_read32(DMA_CSR); in sbus_esp_dma_error() local
434 if (csr & DMA_HNDL_ERROR) in sbus_esp_dma_error()