diff options
Diffstat (limited to 'qemu/include/hw/net')
| -rw-r--r-- | qemu/include/hw/net/allwinner_emac.h | 173 | ||||
| -rw-r--r-- | qemu/include/hw/net/cadence_gem.h | 73 | ||||
| -rw-r--r-- | qemu/include/hw/net/mii.h | 76 |
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 */ |