Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / drivers / net / ep93xx_eth.h

diff --git a/qemu/roms/u-boot/drivers/net/ep93xx_eth.h b/qemu/roms/u-boot/drivers/net/ep93xx_eth.h
new file mode 100644 (file)
index 0000000..e6c949f
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/net/ep93xx_eth.h
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
+ *
+ * Copyright (C) 2004, 2005
+ * Cory T. Tusar, Videon Central, Inc., <ctusar@videon-central.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef _EP93XX_ETH_H
+#define _EP93XX_ETH_H
+
+#include <net.h>
+
+/**
+ * #define this to dump device status and queue info during initialization and
+ * following errors.
+ */
+#undef EP93XX_MAC_DEBUG
+
+/**
+ * Number of descriptor and status entries in our RX queues.
+ * It must be power of 2 !
+ */
+#define NUMRXDESC              PKTBUFSRX
+
+/**
+ * Number of descriptor and status entries in our TX queues.
+ */
+#define NUMTXDESC              1
+
+/**
+ * 944 = (1024 - 64) - 16, Fifo size - Minframesize - 16 (Chip FACT)
+ */
+#define TXSTARTMAX             944
+
+/**
+ * Receive descriptor queue entry
+ */
+struct rx_descriptor {
+       uint32_t word1;
+       uint32_t word2;
+};
+
+/**
+ * Receive status queue entry
+ */
+struct rx_status {
+       uint32_t word1;
+       uint32_t word2;
+};
+
+#define RX_STATUS_RWE(rx_status) ((rx_status->word1 >> 30) & 0x01)
+#define RX_STATUS_RFP(rx_status) ((rx_status->word1 >> 31) & 0x01)
+#define RX_STATUS_FRAME_LEN(rx_status) (rx_status->word2 & 0xFFFF)
+
+/**
+ * Transmit descriptor queue entry
+ */
+struct tx_descriptor {
+       uint32_t word1;
+       uint32_t word2;
+};
+
+#define TX_DESC_EOF (1 << 31)
+
+/**
+ * Transmit status queue entry
+ */
+struct tx_status {
+       uint32_t word1;
+};
+
+#define TX_STATUS_TXWE(tx_status) (((tx_status)->word1 >> 30) & 0x01)
+#define TX_STATUS_TXFP(tx_status) (((tx_status)->word1 >> 31) & 0x01)
+
+/**
+ * Transmit descriptor queue
+ */
+struct tx_descriptor_queue {
+       struct tx_descriptor *base;
+       struct tx_descriptor *current;
+       struct tx_descriptor *end;
+};
+
+/**
+ * Transmit status queue
+ */
+struct tx_status_queue {
+       struct tx_status *base;
+       volatile struct tx_status *current;
+       struct tx_status *end;
+};
+
+/**
+ * Receive descriptor queue
+ */
+struct rx_descriptor_queue {
+       struct rx_descriptor *base;
+       struct rx_descriptor *current;
+       struct rx_descriptor *end;
+};
+
+/**
+ * Receive status queue
+ */
+struct rx_status_queue {
+       struct rx_status *base;
+       volatile struct rx_status *current;
+       struct rx_status *end;
+};
+
+/**
+ * EP93xx MAC private data structure
+ */
+struct ep93xx_priv {
+       struct rx_descriptor_queue      rx_dq;
+       struct rx_status_queue          rx_sq;
+       void                            *rx_buffer[NUMRXDESC];
+
+       struct tx_descriptor_queue      tx_dq;
+       struct tx_status_queue          tx_sq;
+
+       struct mac_regs                 *regs;
+};
+
+#endif