Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / drivers / net / fm / tgec.c

diff --git a/qemu/roms/u-boot/drivers/net/fm/tgec.c b/qemu/roms/u-boot/drivers/net/fm/tgec.c
new file mode 100644 (file)
index 0000000..f450f80
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/net/fm/tgec.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2009-2011 Freescale Semiconductor, Inc.
+ *     Dave Liu <daveliu@freescale.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+/* MAXFRM - maximum frame length */
+#define MAXFRM_MASK    0x0000ffff
+
+#include <common.h>
+#include <phy.h>
+#include <asm/types.h>
+#include <asm/io.h>
+#include <asm/fsl_enet.h>
+#include <asm/fsl_tgec.h>
+
+#include "fm.h"
+
+#define TGEC_CMD_CFG_INIT      (TGEC_CMD_CFG_NO_LEN_CHK | \
+                                TGEC_CMD_CFG_RX_ER_DISC | \
+                                TGEC_CMD_CFG_STAT_CLR | \
+                                TGEC_CMD_CFG_PAUSE_IGNORE | \
+                                TGEC_CMD_CFG_CRC_FWD)
+#define TGEC_CMD_CFG_FINAL     (TGEC_CMD_CFG_NO_LEN_CHK | \
+                                TGEC_CMD_CFG_RX_ER_DISC | \
+                                TGEC_CMD_CFG_PAUSE_IGNORE | \
+                                TGEC_CMD_CFG_CRC_FWD)
+
+static void tgec_init_mac(struct fsl_enet_mac *mac)
+{
+       struct tgec *regs = mac->base;
+
+       /* mask all interrupt */
+       out_be32(&regs->imask, IMASK_MASK_ALL);
+
+       /* clear all events */
+       out_be32(&regs->ievent, IEVENT_CLEAR_ALL);
+
+       /* set the max receive length */
+       out_be32(&regs->maxfrm, mac->max_rx_len & MAXFRM_MASK);
+
+       /*
+        * 1588 disable, insert second mac disable payload length check
+        * disable, normal operation, any rx error frame is discarded, clear
+        * counters, pause frame ignore, no promiscuous, LAN mode Rx CRC no
+        * strip, Tx CRC append, Rx disable and Tx disable
+        */
+       out_be32(&regs->command_config, TGEC_CMD_CFG_INIT);
+       udelay(1000);
+       out_be32(&regs->command_config, TGEC_CMD_CFG_FINAL);
+
+       /* multicast frame reception for the hash entry disable */
+       out_be32(&regs->hashtable_ctrl, 0);
+}
+
+static void tgec_enable_mac(struct fsl_enet_mac *mac)
+{
+       struct tgec *regs = mac->base;
+
+       setbits_be32(&regs->command_config, TGEC_CMD_CFG_RXTX_EN);
+}
+
+static void tgec_disable_mac(struct fsl_enet_mac *mac)
+{
+       struct tgec *regs = mac->base;
+
+       clrbits_be32(&regs->command_config, TGEC_CMD_CFG_RXTX_EN);
+}
+
+static void tgec_set_mac_addr(struct fsl_enet_mac *mac, u8 *mac_addr)
+{
+       struct tgec *regs = mac->base;
+       u32 mac_addr0, mac_addr1;
+
+       /*
+        * if a station address of 0x12345678ABCD, perform a write to
+        * MAC_ADDR0 of 0x78563412, MAC_ADDR1 of 0x0000CDAB
+        */
+       mac_addr0 = (mac_addr[3] << 24) | (mac_addr[2] << 16) | \
+                       (mac_addr[1] << 8)  | (mac_addr[0]);
+       out_be32(&regs->mac_addr_0, mac_addr0);
+
+       mac_addr1 = ((mac_addr[5] << 8) | mac_addr[4]) & 0x0000ffff;
+       out_be32(&regs->mac_addr_1, mac_addr1);
+}
+
+static void tgec_set_interface_mode(struct fsl_enet_mac *mac,
+                                       phy_interface_t type, int speed)
+{
+       /* nothing right now */
+       return;
+}
+
+void init_tgec(struct fsl_enet_mac *mac, void *base,
+               void *phyregs, int max_rx_len)
+{
+       mac->base = base;
+       mac->phyregs = phyregs;
+       mac->max_rx_len = max_rx_len;
+       mac->init_mac = tgec_init_mac;
+       mac->enable_mac = tgec_enable_mac;
+       mac->disable_mac = tgec_disable_mac;
+       mac->set_mac_addr = tgec_set_mac_addr;
+       mac->set_if_mode = tgec_set_interface_mode;
+}