+ timeout = jiffies + HZ;
+ pasemi_write_dma_reg(PAS_DMA_COM_RXCMD, 0);
+ while (pasemi_read_dma_reg(PAS_DMA_COM_RXSTA) & 1) {
+ if (time_after(jiffies, timeout)) {
+ pr_warning("Warning: Could not disable RX section\n");
+ break;
+ }
+ }
+
+ timeout = jiffies + HZ;
+ pasemi_write_dma_reg(PAS_DMA_COM_TXCMD, 0);
+ while (pasemi_read_dma_reg(PAS_DMA_COM_TXSTA) & 1) {
+ if (time_after(jiffies, timeout)) {
+ pr_warning("Warning: Could not disable TX section\n");
+ break;
+ }
+ }
+
+ /* setup resource allocations for the different DMA sections */
+ tmp = pasemi_read_dma_reg(PAS_DMA_COM_CFG);
+ pasemi_write_dma_reg(PAS_DMA_COM_CFG, tmp | 0x18000000);
+
+ /* enable tx section */
+ pasemi_write_dma_reg(PAS_DMA_COM_TXCMD, PAS_DMA_COM_TXCMD_EN);
+
+ /* enable rx section */
+ pasemi_write_dma_reg(PAS_DMA_COM_RXCMD, PAS_DMA_COM_RXCMD_EN);
+