1 // SPDX-License-Identifier: GPL-2.0-only
59 		/* program the RX pbl */  in sxgbe_dma_channel_init()
78 	 * same as TX/RX desc list  in sxgbe_dma_channel_init()
80 	dma_addr = dma_tx + ((t_rsize - 1) * SXGBE_DESC_SIZE_BYTES);  in sxgbe_dma_channel_init()
84 	dma_addr = dma_rx + ((r_rsize - 1) * SXGBE_DESC_SIZE_BYTES);  in sxgbe_dma_channel_init()
88 	writel(t_rsize - 1, ioaddr + SXGBE_DMA_CHA_TXDESC_RINGLEN_REG(cha_num));  in sxgbe_dma_channel_init()
89 	writel(r_rsize - 1, ioaddr + SXGBE_DMA_CHA_RXDESC_RINGLEN_REG(cha_num));  in sxgbe_dma_channel_init()
91 	/* Enable TX/RX interrupts */  in sxgbe_dma_channel_init()
107 	/* Enable TX/RX interrupts */  in sxgbe_enable_dma_irq()
114 	/* Disable TX/RX interrupts */  in sxgbe_disable_dma_irq()
195 		x->normal_irq_n++;  in sxgbe_tx_dma_int_status()
198 			x->tx_normal_irq_n++;  in sxgbe_tx_dma_int_status()
203 			x->tx_underflow_irq++;  in sxgbe_tx_dma_int_status()
212 			x->tx_process_stopped_irq++;  in sxgbe_tx_dma_int_status()
217 			x->fatal_bus_error_irq++;  in sxgbe_tx_dma_int_status()
226 				x->tx_read_transfer_err++;  in sxgbe_tx_dma_int_status()
229 				x->tx_write_transfer_err++;  in sxgbe_tx_dma_int_status()
233 				x->tx_desc_access_err++;  in sxgbe_tx_dma_int_status()
236 				x->tx_buffer_access_err++;  in sxgbe_tx_dma_int_status()
240 				x->tx_data_transfer_err++;  in sxgbe_tx_dma_int_status()
247 			x->tx_ctxt_desc_err++;  in sxgbe_tx_dma_int_status()
265 	/* RX Normal Interrupt Summary */  in sxgbe_rx_dma_int_status()
267 		x->normal_irq_n++;  in sxgbe_rx_dma_int_status()
270 			x->rx_normal_irq_n++;  in sxgbe_rx_dma_int_status()
274 		/* RX Abnormal Interrupt Summary */  in sxgbe_rx_dma_int_status()
278 			x->rx_underflow_irq++;  in sxgbe_rx_dma_int_status()
284 			x->rx_process_stopped_irq++;  in sxgbe_rx_dma_int_status()
289 			x->fatal_bus_error_irq++;  in sxgbe_rx_dma_int_status()
298 				x->rx_read_transfer_err++;  in sxgbe_rx_dma_int_status()
301 				x->rx_write_transfer_err++;  in sxgbe_rx_dma_int_status()
305 				x->rx_desc_access_err++;  in sxgbe_rx_dma_int_status()
308 				x->rx_buffer_access_err++;  in sxgbe_rx_dma_int_status()
312 				x->rx_data_transfer_err++;  in sxgbe_rx_dma_int_status()
324 /* Program the HW RX Watchdog */
337 	u32 ctrl;  in sxgbe_enable_tso()  local
339 	ctrl = readl(ioaddr + SXGBE_DMA_CHA_TXCTL_REG(chan_num));  in sxgbe_enable_tso()
340 	ctrl |= SXGBE_DMA_CHA_TXCTL_TSE_ENABLE;  in sxgbe_enable_tso()
341 	writel(ctrl, ioaddr + SXGBE_DMA_CHA_TXCTL_REG(chan_num));  in sxgbe_enable_tso()