This commit adds support for the AHCI controller found in the Armada
7K/8K ARM64 SoCs. This controller uses non-standard port offset and
port length values, which explains why some special handling is
needed.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>
---
drivers/ata/ahci_mvebu.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/ata/ahci_mvebu.c b/drivers/ata/ahci_mvebu.c
index de7128d..b1d1d64 100644
--- a/drivers/ata/ahci_mvebu.c
+++ b/drivers/ata/ahci_mvebu.c
@@ -120,6 +120,10 @@ static int ahci_mvebu_probe(struct platform_device *pdev)
ahci_mvebu_mbus_config(hpriv, dram);
ahci_mvebu_regret_option(hpriv);
+ } else if (of_device_is_compatible(pdev->dev.of_node,
+ "marvell,armada-8k-ahci")) {
+ hpriv->port_offset = 0x10000;
+ hpriv->port_length = 0x10000;
}
rc = ahci_platform_init_host(pdev, hpriv, &ahci_mvebu_port_info,
@@ -137,6 +141,7 @@ disable_resources:
static const struct of_device_id ahci_mvebu_of_match[] = {
{ .compatible = "marvell,armada-380-ahci", },
{ .compatible = "marvell,armada-3700-ahci", },
+ { .compatible = "marvell,armada-8k-ahci", },
{ },
};
MODULE_DEVICE_TABLE(of, ahci_mvebu_of_match);
--
2.6.4
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