Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

3 files changed, 322 insertions, 0 deletions

diff --git a/qemu/include/hw/net/allwinner_emac.h b/qemu/include/hw/net/allwinner_emac.h
new file mode 100644
index 000000000..9f21aa7e4
--- /dev/null
+++ b/qemu/include/hw/net/allwinner_emac.h
@@ -0,0 +1,173 @@
+/*
+ * Emulation of Allwinner EMAC Fast Ethernet controller and
+ * Realtek RTL8201CP PHY
+ *
+ * Copyright (C) 2014 Beniamino Galvani <b.galvani@gmail.com>
+ *
+ * Allwinner EMAC register definitions from Linux kernel are:
+ *   Copyright 2012 Stefan Roese <sr@denx.de>
+ *   Copyright 2013 Maxime Ripard <maxime.ripard@free-electrons.com>
+ *   Copyright 1997 Sten Wang
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ */
+#ifndef AW_EMAC_H
+#define AW_EMAC_H
+
+#include "net/net.h"
+#include "qemu/fifo8.h"
+#include "hw/net/mii.h"
+
+#define TYPE_AW_EMAC "allwinner-emac"
+#define AW_EMAC(obj) OBJECT_CHECK(AwEmacState, (obj), TYPE_AW_EMAC)
+
+/*
+ * Allwinner EMAC register list
+ */
+#define EMAC_CTL_REG            0x00
+
+#define EMAC_TX_MODE_REG        0x04
+#define EMAC_TX_FLOW_REG        0x08
+#define EMAC_TX_CTL0_REG        0x0C
+#define EMAC_TX_CTL1_REG        0x10
+#define EMAC_TX_INS_REG         0x14
+#define EMAC_TX_PL0_REG         0x18
+#define EMAC_TX_PL1_REG         0x1C
+#define EMAC_TX_STA_REG         0x20
+#define EMAC_TX_IO_DATA_REG     0x24
+#define EMAC_TX_IO_DATA1_REG    0x28
+#define EMAC_TX_TSVL0_REG       0x2C
+#define EMAC_TX_TSVH0_REG       0x30
+#define EMAC_TX_TSVL1_REG       0x34
+#define EMAC_TX_TSVH1_REG       0x38
+
+#define EMAC_RX_CTL_REG         0x3C
+#define EMAC_RX_HASH0_REG       0x40
+#define EMAC_RX_HASH1_REG       0x44
+#define EMAC_RX_STA_REG         0x48
+#define EMAC_RX_IO_DATA_REG     0x4C
+#define EMAC_RX_FBC_REG         0x50
+
+#define EMAC_INT_CTL_REG        0x54
+#define EMAC_INT_STA_REG        0x58
+
+#define EMAC_MAC_CTL0_REG       0x5C
+#define EMAC_MAC_CTL1_REG       0x60
+#define EMAC_MAC_IPGT_REG       0x64
+#define EMAC_MAC_IPGR_REG       0x68
+#define EMAC_MAC_CLRT_REG       0x6C
+#define EMAC_MAC_MAXF_REG       0x70
+#define EMAC_MAC_SUPP_REG       0x74
+#define EMAC_MAC_TEST_REG       0x78
+#define EMAC_MAC_MCFG_REG       0x7C
+#define EMAC_MAC_MCMD_REG       0x80
+#define EMAC_MAC_MADR_REG       0x84
+#define EMAC_MAC_MWTD_REG       0x88
+#define EMAC_MAC_MRDD_REG       0x8C
+#define EMAC_MAC_MIND_REG       0x90
+#define EMAC_MAC_SSRR_REG       0x94
+#define EMAC_MAC_A0_REG         0x98
+#define EMAC_MAC_A1_REG         0x9C
+#define EMAC_MAC_A2_REG         0xA0
+
+#define EMAC_SAFX_L_REG0        0xA4
+#define EMAC_SAFX_H_REG0        0xA8
+#define EMAC_SAFX_L_REG1        0xAC
+#define EMAC_SAFX_H_REG1        0xB0
+#define EMAC_SAFX_L_REG2        0xB4
+#define EMAC_SAFX_H_REG2        0xB8
+#define EMAC_SAFX_L_REG3        0xBC
+#define EMAC_SAFX_H_REG3        0xC0
+
+/* CTL register fields */
+#define EMAC_CTL_RESET                  (1 << 0)
+#define EMAC_CTL_TX_EN                  (1 << 1)
+#define EMAC_CTL_RX_EN                  (1 << 2)
+
+/* TX MODE register fields */
+#define EMAC_TX_MODE_ABORTED_FRAME_EN   (1 << 0)
+#define EMAC_TX_MODE_DMA_EN             (1 << 1)
+
+/* RX CTL register fields */
+#define EMAC_RX_CTL_AUTO_DRQ_EN         (1 << 1)
+#define EMAC_RX_CTL_DMA_EN              (1 << 2)
+#define EMAC_RX_CTL_PASS_ALL_EN         (1 << 4)
+#define EMAC_RX_CTL_PASS_CTL_EN         (1 << 5)
+#define EMAC_RX_CTL_PASS_CRC_ERR_EN     (1 << 6)
+#define EMAC_RX_CTL_PASS_LEN_ERR_EN     (1 << 7)
+#define EMAC_RX_CTL_PASS_LEN_OOR_EN     (1 << 8)
+#define EMAC_RX_CTL_ACCEPT_UNICAST_EN   (1 << 16)
+#define EMAC_RX_CTL_DA_FILTER_EN        (1 << 17)
+#define EMAC_RX_CTL_ACCEPT_MULTICAST_EN (1 << 20)
+#define EMAC_RX_CTL_HASH_FILTER_EN      (1 << 21)
+#define EMAC_RX_CTL_ACCEPT_BROADCAST_EN (1 << 22)
+#define EMAC_RX_CTL_SA_FILTER_EN        (1 << 24)
+#define EMAC_RX_CTL_SA_FILTER_INVERT_EN (1 << 25)
+
+/* RX IO DATA register fields */
+#define EMAC_RX_HEADER(len, status)     (((len) & 0xffff) | ((status) << 16))
+#define EMAC_RX_IO_DATA_STATUS_CRC_ERR  (1 << 4)
+#define EMAC_RX_IO_DATA_STATUS_LEN_ERR  (3 << 5)
+#define EMAC_RX_IO_DATA_STATUS_OK       (1 << 7)
+#define EMAC_UNDOCUMENTED_MAGIC         0x0143414d  /* header for RX frames */
+
+/* INT CTL and INT STA registers fields */
+#define EMAC_INT_TX_CHAN(x) (1 << (x))
+#define EMAC_INT_RX         (1 << 8)
+
+/* Due to lack of specifications, size of fifos is chosen arbitrarily */
+#define TX_FIFO_SIZE        (4 * 1024)
+#define RX_FIFO_SIZE        (32 * 1024)
+
+#define NUM_TX_FIFOS        2
+#define RX_HDR_SIZE         8
+#define CRC_SIZE            4
+
+#define PHY_REG_SHIFT       0
+#define PHY_ADDR_SHIFT      8
+
+typedef struct RTL8201CPState {
+    uint16_t bmcr;
+    uint16_t bmsr;
+    uint16_t anar;
+    uint16_t anlpar;
+} RTL8201CPState;
+
+typedef struct AwEmacState {
+    /*< private >*/
+    SysBusDevice  parent_obj;
+    /*< public >*/
+
+    MemoryRegion   iomem;
+    qemu_irq       irq;
+    NICState       *nic;
+    NICConf        conf;
+    RTL8201CPState mii;
+    uint8_t        phy_addr;
+
+    uint32_t       ctl;
+    uint32_t       tx_mode;
+    uint32_t       rx_ctl;
+    uint32_t       int_ctl;
+    uint32_t       int_sta;
+    uint32_t       phy_target;
+
+    Fifo8          rx_fifo;
+    uint32_t       rx_num_packets;
+    uint32_t       rx_packet_size;
+    uint32_t       rx_packet_pos;
+
+    Fifo8          tx_fifo[NUM_TX_FIFOS];
+    uint32_t       tx_length[NUM_TX_FIFOS];
+    uint32_t       tx_channel;
+} AwEmacState;
+
+#endif
diff --git a/qemu/include/hw/net/cadence_gem.h b/qemu/include/hw/net/cadence_gem.h
new file mode 100644
index 000000000..f2e08e357
--- /dev/null
+++ b/qemu/include/hw/net/cadence_gem.h
@@ -0,0 +1,73 @@
+/*
+ * QEMU Cadence GEM emulation
+ *
+ * Copyright (c) 2011 Xilinx, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef CADENCE_GEM_H
+
+#define TYPE_CADENCE_GEM "cadence_gem"
+#define CADENCE_GEM(obj) OBJECT_CHECK(CadenceGEMState, (obj), TYPE_CADENCE_GEM)
+
+#include "net/net.h"
+#include "hw/sysbus.h"
+
+#define CADENCE_GEM_MAXREG        (0x00000640/4) /* Last valid GEM address */
+
+typedef struct CadenceGEMState {
+    /*< private >*/
+    SysBusDevice parent_obj;
+
+    /*< public >*/
+    MemoryRegion iomem;
+    NICState *nic;
+    NICConf conf;
+    qemu_irq irq;
+
+    /* GEM registers backing store */
+    uint32_t regs[CADENCE_GEM_MAXREG];
+    /* Mask of register bits which are write only */
+    uint32_t regs_wo[CADENCE_GEM_MAXREG];
+    /* Mask of register bits which are read only */
+    uint32_t regs_ro[CADENCE_GEM_MAXREG];
+    /* Mask of register bits which are clear on read */
+    uint32_t regs_rtc[CADENCE_GEM_MAXREG];
+    /* Mask of register bits which are write 1 to clear */
+    uint32_t regs_w1c[CADENCE_GEM_MAXREG];
+
+    /* PHY registers backing store */
+    uint16_t phy_regs[32];
+
+    uint8_t phy_loop; /* Are we in phy loopback? */
+
+    /* The current DMA descriptor pointers */
+    uint32_t rx_desc_addr;
+    uint32_t tx_desc_addr;
+
+    uint8_t can_rx_state; /* Debug only */
+
+    unsigned rx_desc[2];
+
+    bool sar_active[4];
+} CadenceGEMState;
+
+#define CADENCE_GEM_H
+#endif
diff --git a/qemu/include/hw/net/mii.h b/qemu/include/hw/net/mii.h
new file mode 100644
index 000000000..9fdd7bbe7
--- /dev/null
+++ b/qemu/include/hw/net/mii.h
@@ -0,0 +1,76 @@
+/*
+ * Common network MII address and register definitions.
+ *
+ * Copyright (C) 2014 Beniamino Galvani <b.galvani@gmail.com>
+ *
+ * Allwinner EMAC register definitions from Linux kernel are:
+ *   Copyright 2012 Stefan Roese <sr@denx.de>
+ *   Copyright 2013 Maxime Ripard <maxime.ripard@free-electrons.com>
+ *   Copyright 1997 Sten Wang
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ */
+#ifndef MII_H
+#define MII_H
+
+/* PHY registers */
+#define MII_BMCR            0
+#define MII_BMSR            1
+#define MII_PHYID1          2
+#define MII_PHYID2          3
+#define MII_ANAR            4
+#define MII_ANLPAR          5
+#define MII_ANER            6
+#define MII_NSR             16
+#define MII_LBREMR          17
+#define MII_REC             18
+#define MII_SNRDR           19
+#define MII_TEST            25
+
+/* PHY registers fields */
+#define MII_BMCR_RESET      (1 << 15)
+#define MII_BMCR_LOOPBACK   (1 << 14)
+#define MII_BMCR_SPEED      (1 << 13)
+#define MII_BMCR_AUTOEN     (1 << 12)
+#define MII_BMCR_FD         (1 << 8)
+
+#define MII_BMSR_100TX_FD   (1 << 14)
+#define MII_BMSR_100TX_HD   (1 << 13)
+#define MII_BMSR_10T_FD     (1 << 12)
+#define MII_BMSR_10T_HD     (1 << 11)
+#define MII_BMSR_MFPS       (1 << 6)
+#define MII_BMSR_AN_COMP    (1 << 5)
+#define MII_BMSR_AUTONEG    (1 << 3)
+#define MII_BMSR_LINK_ST    (1 << 2)
+
+#define MII_ANAR_TXFD       (1 << 8)
+#define MII_ANAR_TX         (1 << 7)
+#define MII_ANAR_10FD       (1 << 6)
+#define MII_ANAR_10         (1 << 5)
+#define MII_ANAR_CSMACD     (1 << 0)
+
+#define MII_ANLPAR_ACK      (1 << 14)
+#define MII_ANLPAR_TXFD     (1 << 8)
+#define MII_ANLPAR_TX       (1 << 7)
+#define MII_ANLPAR_10FD     (1 << 6)
+#define MII_ANLPAR_10       (1 << 5)
+#define MII_ANLPAR_CSMACD   (1 << 0)
+
+/* List of vendor identifiers */
+/* RealTek 8201 */
+#define RTL8201CP_PHYID1    0x0000
+#define RTL8201CP_PHYID2    0x8201
+
+/* National Semiconductor DP83848 */
+#define DP83848_PHYID1      0x2000
+#define DP83848_PHYID2      0x5c90
+
+#endif /* MII_H */