Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 115 insertions, 0 deletions

diff --git a/drivers/net/ethernet/amd/au1000_eth.h b/drivers/net/ethernet/amd/au1000_eth.h
new file mode 100644
index 000000000..e3a3ed29d
--- /dev/null
+++ b/drivers/net/ethernet/amd/au1000_eth.h
@@ -0,0 +1,115 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *
+ * Alchemy Au1x00 ethernet driver include file
+ *
+ * Author: Pete Popov <ppopov@mvista.com>
+ *
+ * Copyright 2001 MontaVista Software Inc.
+ */
+
+
+#define MAC_IOSIZE 0x10000
+#define NUM_RX_DMA 4       /* Au1x00 has 4 rx hardware descriptors */
+#define NUM_TX_DMA 4       /* Au1x00 has 4 tx hardware descriptors */
+
+#define NUM_RX_BUFFS 4
+#define NUM_TX_BUFFS 4
+#define MAX_BUF_SIZE 2048
+
+#define ETH_TX_TIMEOUT (HZ/4)
+#define MAC_MIN_PKT_SIZE 64
+
+#define MULTICAST_FILTER_LIMIT 64
+
+/*
+ * Data Buffer Descriptor. Data buffers must be aligned on 32 byte
+ * boundary for both, receive and transmit.
+ */
+struct db_dest {
+	struct db_dest *pnext;
+	u32 *vaddr;
+	dma_addr_t dma_addr;
+};
+
+/*
+ * The transmit and receive descriptors are memory
+ * mapped registers.
+ */
+struct tx_dma {
+	u32 status;
+	u32 buff_stat;
+	u32 len;
+	u32 pad;
+};
+
+struct rx_dma {
+	u32 status;
+	u32 buff_stat;
+	u32 pad[2];
+};
+
+
+/*
+ * MAC control registers, memory mapped.
+ */
+struct mac_reg {
+	u32 control;
+	u32 mac_addr_high;
+	u32 mac_addr_low;
+	u32 multi_hash_high;
+	u32 multi_hash_low;
+	u32 mii_control;
+	u32 mii_data;
+	u32 flow_control;
+	u32 vlan1_tag;
+	u32 vlan2_tag;
+};
+
+
+struct au1000_private {
+	struct db_dest *pDBfree;
+	struct db_dest db[NUM_RX_BUFFS+NUM_TX_BUFFS];
+	struct rx_dma *rx_dma_ring[NUM_RX_DMA];
+	struct tx_dma *tx_dma_ring[NUM_TX_DMA];
+	struct db_dest *rx_db_inuse[NUM_RX_DMA];
+	struct db_dest *tx_db_inuse[NUM_TX_DMA];
+	u32 rx_head;
+	u32 tx_head;
+	u32 tx_tail;
+	u32 tx_full;
+
+	int mac_id;
+
+	int mac_enabled;       /* whether MAC is currently enabled and running
+				* (req. for mdio)
+				*/
+
+	int old_link;          /* used by au1000_adjust_link */
+	int old_speed;
+	int old_duplex;
+
+	struct mii_bus *mii_bus;
+
+	/* PHY configuration */
+	int phy_static_config;
+	int phy_search_highest_addr;
+	int phy1_search_mac0;
+
+	int phy_addr;
+	int phy_busid;
+	int phy_irq;
+
+	/* These variables are just for quick access
+	 * to certain regs addresses.
+	 */
+	struct mac_reg *mac;  /* mac registers                      */
+	u32 *enable;     /* address of MAC Enable Register     */
+	void __iomem *macdma;	/* base of MAC DMA port */
+	u32 vaddr;                /* virtual address of rx/tx buffers   */
+	dma_addr_t dma_addr;      /* dma address of rx/tx buffers       */
+
+	spinlock_t lock;       /* Serialise access to device */
+
+	u32 msg_enable;
+};