return 1;
}
+#ifdef CONFIG_SUNXI_AHCI
+/* The sunxi AHCI controller requires this undocumented setup */
+static void sunxi_dma_init(volatile u8 *port_mmio)
+{
+ clrsetbits_le32(port_mmio + PORT_P0DMACR, 0x0000ff00, 0x00004400);
+}
+#endif
+
static int ahci_host_init(struct ahci_probe_ent *probe_ent)
{
#ifndef CONFIG_SCSI_AHCI_PLAT
msleep(500);
}
+#ifdef CONFIG_SUNXI_AHCI
+ sunxi_dma_init(port_mmio);
+#endif
+
/* Add the spinup command to whatever mode bits may
* already be on in the command register.
*/
writel_with_flush(pp->rx_fis, port_mmio + PORT_FIS_ADDR);
+#ifdef CONFIG_SUNXI_AHCI
+ sunxi_dma_init(port_mmio);
+#endif
+
writel_with_flush(PORT_CMD_ICC_ACTIVE | PORT_CMD_FIS_RX |
PORT_CMD_POWER_ON | PORT_CMD_SPIN_UP |
PORT_CMD_START, port_mmio + PORT_CMD);