58 	switch (dma_read32(DMA_CSR) & DMA_DEVICE_ID) {  in esp_sbus_setup_dma()
217 	if (dma_read32(DMA_CSR) & (DMA_HNDL_INTR | DMA_HNDL_ERROR))  in sbus_esp_irq_pending()
240 		val = dma_read32(DMA_CSR);  in sbus_esp_reset_dma()
241 		dma_write32(val | DMA_RST_SCSI, DMA_CSR);  in sbus_esp_reset_dma()
242 		dma_write32(val & ~DMA_RST_SCSI, DMA_CSR);  in sbus_esp_reset_dma()
246 		dma_write32(DMA_RESET_FAS366, DMA_CSR);  in sbus_esp_reset_dma()
247 		dma_write32(DMA_RST_SCSI, DMA_CSR);  in sbus_esp_reset_dma()
266 		while (dma_read32(DMA_CSR) & DMA_PEND_READ) {  in sbus_esp_reset_dma()
276 		dma_write32(0, DMA_CSR);  in sbus_esp_reset_dma()
277 		dma_write32(esp->prev_hme_dmacsr, DMA_CSR);  in sbus_esp_reset_dma()
284 			val = dma_read32(DMA_CSR);  in sbus_esp_reset_dma()
285 			dma_write32(val | DMA_3CLKS, DMA_CSR);  in sbus_esp_reset_dma()
290 		val = dma_read32(DMA_CSR);  in sbus_esp_reset_dma()
297 		dma_write32(val, DMA_CSR);  in sbus_esp_reset_dma()
301 		val = dma_read32(DMA_CSR);  in sbus_esp_reset_dma()
309 		dma_write32(val, DMA_CSR);  in sbus_esp_reset_dma()
317 	val = dma_read32(DMA_CSR);  in sbus_esp_reset_dma()
318 	dma_write32(val | DMA_INT_ENAB, DMA_CSR);  in sbus_esp_reset_dma()
329 	csr = dma_read32(DMA_CSR);  in sbus_esp_dma_drain()
334 		dma_write32(csr | DMA_FIFO_STDRAIN, DMA_CSR);  in sbus_esp_dma_drain()
337 	while (dma_read32(DMA_CSR) & DMA_FIFO_ISDRAIN) {  in sbus_esp_dma_drain()
350 		dma_write32(DMA_RST_SCSI, DMA_CSR);  in sbus_esp_dma_invalidate()
357 		dma_write32(0, DMA_CSR);  in sbus_esp_dma_invalidate()
358 		dma_write32(esp->prev_hme_dmacsr, DMA_CSR);  in sbus_esp_dma_invalidate()
369 		while ((val = dma_read32(DMA_CSR)) & DMA_PEND_READ) {  in sbus_esp_dma_invalidate()
380 		dma_write32(val, DMA_CSR);  in sbus_esp_dma_invalidate()
382 		dma_write32(val, DMA_CSR);  in sbus_esp_dma_invalidate()
411 		dma_write32(csr, DMA_CSR);  in sbus_esp_send_dma_cmd()
413 		csr = dma_read32(DMA_CSR);  in sbus_esp_send_dma_cmd()
419 		dma_write32(csr, DMA_CSR);  in sbus_esp_send_dma_cmd()
433 	u32 csr = dma_read32(DMA_CSR);  in sbus_esp_dma_error()
499 		u32 val = dma_read32(DMA_CSR);  in esp_sbus_probe_one()
501 		dma_write32(val & ~DMA_RST_SCSI, DMA_CSR);  in esp_sbus_probe_one()
564 	val = dma_read32(DMA_CSR);  in esp_sbus_remove()
565 	dma_write32(val & ~DMA_INT_ENAB, DMA_CSR);  in esp_sbus_remove()