Lines Matching refs:csr
86 u32 csr; in sun3x_esp_dma_drain() local
89 csr = dma_read32(DMA_CSR); in sun3x_esp_dma_drain()
90 if (!(csr & DMA_FIFO_ISDRAIN)) in sun3x_esp_dma_drain()
93 dma_write32(csr | DMA_FIFO_STDRAIN, DMA_CSR); in sun3x_esp_dma_drain()
131 u32 csr; in sun3x_esp_send_dma_cmd() local
137 csr = dma_read32(DMA_CSR); in sun3x_esp_send_dma_cmd()
138 csr |= DMA_ENABLE; in sun3x_esp_send_dma_cmd()
140 csr |= DMA_ST_WRITE; in sun3x_esp_send_dma_cmd()
142 csr &= ~DMA_ST_WRITE; in sun3x_esp_send_dma_cmd()
143 dma_write32(csr, DMA_CSR); in sun3x_esp_send_dma_cmd()
151 u32 csr = dma_read32(DMA_CSR); in sun3x_esp_dma_error() local
153 if (csr & DMA_HNDL_ERROR) in sun3x_esp_dma_error()