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Diffstat (limited to 'target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/soc_rt2880.c')
-rw-r--r--target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/soc_rt2880.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/soc_rt2880.c b/target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/soc_rt2880.c
new file mode 100644
index 0000000000..6c89c997d9
--- /dev/null
+++ b/target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/soc_rt2880.c
@@ -0,0 +1,76 @@
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "mdio_rt2880.h"
+
+#define RT2880_RESET_FE BIT(18)
+
+static void rt2880_init_data(struct fe_soc_data *data,
+ struct net_device *netdev)
+{
+ struct fe_priv *priv = netdev_priv(netdev);
+
+ priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_PADDING_BUG |
+ FE_FLAG_JUMBO_FRAME | FE_FLAG_CALIBRATE_CLK;
+ netdev->hw_features = NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_TX;
+ /* this should work according to the datasheet but actually does not*/
+ /* netdev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM; */
+}
+
+void rt2880_fe_reset(void)
+{
+ fe_reset(RT2880_RESET_FE);
+}
+
+static int rt2880_fwd_config(struct fe_priv *priv)
+{
+ int ret;
+
+ ret = fe_set_clock_cycle(priv);
+ if (ret)
+ return ret;
+
+ fe_fwd_config(priv);
+ fe_w32(FE_PSE_FQFC_CFG_INIT, FE_PSE_FQ_CFG);
+ fe_csum_config(priv);
+
+ return ret;
+}
+
+struct fe_soc_data rt2880_data = {
+ .init_data = rt2880_init_data,
+ .reset_fe = rt2880_fe_reset,
+ .fwd_config = rt2880_fwd_config,
+ .pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
+ .checksum_bit = RX_DMA_L4VALID,
+ .rx_int = FE_RX_DONE_INT,
+ .tx_int = FE_TX_DONE_INT,
+ .status_int = FE_CNT_GDM_AF,
+ .mdio_read = rt2880_mdio_read,
+ .mdio_write = rt2880_mdio_write,
+ .mdio_adjust_link = rt2880_mdio_link_adjust,
+ .port_init = rt2880_port_init,
+};
+
+const struct of_device_id of_fe_match[] = {
+ { .compatible = "ralink,rt2880-eth", .data = &rt2880_data },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, of_fe_match);