Lines Matching refs:csr
109 u32 csr; in sun3x_esp_dma_drain() local
112 csr = dma_read32(DMA_CSR); in sun3x_esp_dma_drain()
113 if (!(csr & DMA_FIFO_ISDRAIN)) in sun3x_esp_dma_drain()
116 dma_write32(csr | DMA_FIFO_STDRAIN, DMA_CSR); in sun3x_esp_dma_drain()
154 u32 csr; in sun3x_esp_send_dma_cmd() local
160 csr = dma_read32(DMA_CSR); in sun3x_esp_send_dma_cmd()
161 csr |= DMA_ENABLE; in sun3x_esp_send_dma_cmd()
163 csr |= DMA_ST_WRITE; in sun3x_esp_send_dma_cmd()
165 csr &= ~DMA_ST_WRITE; in sun3x_esp_send_dma_cmd()
166 dma_write32(csr, DMA_CSR); in sun3x_esp_send_dma_cmd()
174 u32 csr = dma_read32(DMA_CSR); in sun3x_esp_dma_error() local
176 if (csr & DMA_HNDL_ERROR) in sun3x_esp_dma_error()