pkarashchenko commented on a change in pull request #5740: URL: https://github.com/apache/incubator-nuttx/pull/5740#discussion_r829818549
########## File path: arch/risc-v/src/mpfs/mpfs_ethernet.c ########## @@ -0,0 +1,3837 @@ +/**************************************************************************** + * arch/risc-v/src/mpfs/mpfs_ethernet.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <inttypes.h> +#include <stdint.h> +#include <stdbool.h> +#include <time.h> +#include <string.h> +#include <assert.h> +#include <debug.h> +#include <queue.h> +#include <errno.h> + +#include <arpa/inet.h> + +#include <nuttx/arch.h> +#include <nuttx/irq.h> +#include <nuttx/wdog.h> +#include <nuttx/wqueue.h> +#include <nuttx/kmalloc.h> +#include <nuttx/signal.h> +#include <nuttx/net/mii.h> +#include <nuttx/net/gmii.h> +#include <nuttx/net/arp.h> +#include <nuttx/net/netdev.h> + +#ifdef CONFIG_NET_PKT +# include <nuttx/net/pkt.h> +#endif + +#include "riscv_internal.h" +#include "hardware/mpfs_ethernet.h" +#include "mpfs_memorymap.h" + +#if defined(CONFIG_NET) && defined(CONFIG_MPFS_ETHMAC) + +#ifndef OK +# define OK 0 +#endif + +#define MPFS_PMPCFG_ETH0_0 (MPFS_MPUCFG_BASE + 0x400) +#define MPFS_PMPCFG_ETH0_1 (MPFS_MPUCFG_BASE + 0x408) +#define MPFS_PMPCFG_ETH0_2 (MPFS_MPUCFG_BASE + 0x410) +#define MPFS_PMPCFG_ETH0_3 (MPFS_MPUCFG_BASE + 0x418) +#define MPFS_PMPCFG_ETH1_0 (MPFS_MPUCFG_BASE + 0x500) +#define MPFS_PMPCFG_ETH1_1 (MPFS_MPUCFG_BASE + 0x508) +#define MPFS_PMPCFG_ETH1_2 (MPFS_MPUCFG_BASE + 0x510) +#define MPFS_PMPCFG_ETH1_3 (MPFS_MPUCFG_BASE + 0x518) + +#if defined(CONFIG_MPFS_ETHMAC_0) && defined(CONFIG_MPFS_ETHMAC_1) +# warning "Using 2 MACs is not yet supported." +# define MPFS_NETHERNET (2) +#else +# define MPFS_NETHERNET (1) +#endif + +#define MPFS_MAC_QUEUE_COUNT (4) + +#if !defined(CONFIG_SCHED_WORKQUEUE) +# error Work queue support is required +#else + +/* Select work queue */ + +# if defined(CONFIG_MPFS_ETHMAC_HPWORK) +# define ETHWORK HPWORK +# elif defined(CONFIG_MPFS_ETHMAC_LPWORK) +# define ETHWORK LPWORK +# else +# define ETHWORK LPWORK +# endif +#endif + +#ifndef CONFIG_MPFS_PHYADDR +# error "CONFIG_MPFS_PHYADDR must be defined in the NuttX configuration" +#endif + +#if !defined(CONFIG_MPFS_MAC_SGMII) && !defined(CONFIG_MPFS_MAC_GMII) +# warning "Neither CONFIG_MPFS_MAC_SGMII nor CONFIG_MPFS_MAC_GMII defined" +#endif + +#if defined(CONFIG_MPFS_MAC_SGMII) && defined(CONFIG_MPFS_MAC_GMII) +# error "Both CONFIG_MPFS_MAC_SGMII and CONFIG_MPFS_MAC_GMII defined" +#endif + +/* Number of buffers for RX */ + +#ifndef CONFIG_MPFS_ETHMAC_NRXBUFFERS +# define CONFIG_MPFS_ETHMAC_NRXBUFFERS (16) +#endif + +/* Number of buffers for TX */ + +#ifndef CONFIG_MPFS_ETHMAC_NTXBUFFERS +# define CONFIG_MPFS_ETHMAC_NTXBUFFERS (8) +#endif + +/* GMAC buffer sizes + * REVISIT: do we want to make GMAC_RX_UNITSIZE configurable? + * issue when using the MTU size receive block + */ + +#define GMAC_RX_UNITSIZE (512) /* Fixed size for RX buffer */ +#define GMAC_TX_UNITSIZE CONFIG_NET_ETH_PKTSIZE /* MAX size for Ethernet packet */ + +/* The MAC can support frame lengths up to 1536 bytes */ + +#define GMAC_MAX_FRAMELEN (1536) +#if CONFIG_NET_ETH_PKTSIZE > GMAC_MAX_FRAMELEN +# error CONFIG_NET_ETH_PKTSIZE is too large +#endif + +/* for DMA dma_rxbuf_size */ + +#define MPFS_MAC_RX_BUF_VALUE ((GMAC_RX_UNITSIZE + 63) / 64) + +/* We need at least one more free buffer than transmit buffers */ + +#define MPFS_GMAC_NFREEBUFFERS (CONFIG_MPFS_ETHMAC_NTXBUFFERS + 1) + +#ifdef CONFIG_NET_DUMPPACKET +# define mpfs_dumppacket(m,a,n) lib_dumpbuffer(m,a,n) +#else +# define mpfs_dumppacket(m,a,n) +#endif + +#ifdef CONFIG_MPFS_HAVE_CORERMII +# define CORE_RMII_RESET (1 << 15) +# define CORE_RMII_LOOPBACK (1 << 2) +# define CORE_RMII_FULL_DUPLEX (1 << 1) +# define CORE_RMII_100MBIT (1 << 0) +#endif + +/* Timing *******************************************************************/ + +/* TX poll delay = 1 seconds. + * CLK_TCK is the number of clock ticks per second + */ + +#define MPFS_WDDELAY (1 * CLK_TCK) + +/* TX timeout = 1 minute */ + +#define MPFS_TXTIMEOUT (60 * CLK_TCK) + +/* PHY reset tim in loop counts */ + +#define PHY_RESET_WAIT_COUNT (10) + +/* PHY re-try coount in loop counts */ + +#define PHY_RETRY_MAX 300000 + +/* This is a helper pointer for accessing the contents of the GMAC header */ + +#define BUF ((struct eth_hdr_s *)priv->dev.d_buf) + +#define upper_32_bits(n) ((uint32_t)(((n) >> 16) >> 16)) +#define lower_32_bits(n) ((uint32_t)(n)) + +/* Interrupt flags */ + +#define INT_RX (GEM_INT_RECEIVE_COMPLETE) +#define INT_TX (GEM_INT_TRANSMIT_COMPLETE) +#define INT_ERRORS (GEM_INT_TRANSMIT_BUFFER_UNDERRUN | \ + GEM_INT_RECEIVE_OVERRUN | \ + GEM_INT_AMBA_ERROR | GEM_INT_RESP_NOT_OK) +#define INT_ALL (INT_RX | INT_TX | INT_ERRORS) + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +struct gmac_rxdesc_s +{ + uint32_t addr; /* Buffer address */ + uint32_t status; /* RX status and controls */ +#if defined(CONFIG_MPFS_ETHMAC_64BIT_ADDRESS_MODE) + uint32_t addr_hi; /* Buffer address high 32-bits */ + uint32_t unused; +#endif +}; + +/* Transmit buffer descriptor */ + +struct gmac_txdesc_s +{ + uint32_t addr; /* Buffer address */ + uint32_t status; /* TX status and controls */ +#if defined(CONFIG_MPFS_ETHMAC_64BIT_ADDRESS_MODE) + uint32_t addr_hi; /* Buffer address high 32-bits */ + uint32_t unused; /* */ Review comment: 2 spaces alignment ########## File path: arch/risc-v/src/mpfs/mpfs_ethernet.c ########## @@ -0,0 +1,3837 @@ +/**************************************************************************** + * arch/risc-v/src/mpfs/mpfs_ethernet.c + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance with the + * License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations + * under the License. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <inttypes.h> +#include <stdint.h> +#include <stdbool.h> +#include <time.h> +#include <string.h> +#include <assert.h> +#include <debug.h> +#include <queue.h> +#include <errno.h> + +#include <arpa/inet.h> + +#include <nuttx/arch.h> +#include <nuttx/irq.h> +#include <nuttx/wdog.h> +#include <nuttx/wqueue.h> +#include <nuttx/kmalloc.h> +#include <nuttx/signal.h> +#include <nuttx/net/mii.h> +#include <nuttx/net/gmii.h> +#include <nuttx/net/arp.h> +#include <nuttx/net/netdev.h> + +#ifdef CONFIG_NET_PKT +# include <nuttx/net/pkt.h> +#endif + +#include "riscv_internal.h" +#include "hardware/mpfs_ethernet.h" +#include "mpfs_memorymap.h" + +#if defined(CONFIG_NET) && defined(CONFIG_MPFS_ETHMAC) + +#ifndef OK +# define OK 0 +#endif + +#define MPFS_PMPCFG_ETH0_0 (MPFS_MPUCFG_BASE + 0x400) +#define MPFS_PMPCFG_ETH0_1 (MPFS_MPUCFG_BASE + 0x408) +#define MPFS_PMPCFG_ETH0_2 (MPFS_MPUCFG_BASE + 0x410) +#define MPFS_PMPCFG_ETH0_3 (MPFS_MPUCFG_BASE + 0x418) +#define MPFS_PMPCFG_ETH1_0 (MPFS_MPUCFG_BASE + 0x500) +#define MPFS_PMPCFG_ETH1_1 (MPFS_MPUCFG_BASE + 0x508) +#define MPFS_PMPCFG_ETH1_2 (MPFS_MPUCFG_BASE + 0x510) +#define MPFS_PMPCFG_ETH1_3 (MPFS_MPUCFG_BASE + 0x518) + +#if defined(CONFIG_MPFS_ETHMAC_0) && defined(CONFIG_MPFS_ETHMAC_1) +# warning "Using 2 MACs is not yet supported." +# define MPFS_NETHERNET (2) +#else +# define MPFS_NETHERNET (1) +#endif + +#define MPFS_MAC_QUEUE_COUNT (4) + +#if !defined(CONFIG_SCHED_WORKQUEUE) +# error Work queue support is required +#else + +/* Select work queue */ + +# if defined(CONFIG_MPFS_ETHMAC_HPWORK) +# define ETHWORK HPWORK +# elif defined(CONFIG_MPFS_ETHMAC_LPWORK) +# define ETHWORK LPWORK +# else +# define ETHWORK LPWORK +# endif +#endif + +#ifndef CONFIG_MPFS_PHYADDR +# error "CONFIG_MPFS_PHYADDR must be defined in the NuttX configuration" +#endif + +#if !defined(CONFIG_MPFS_MAC_SGMII) && !defined(CONFIG_MPFS_MAC_GMII) +# warning "Neither CONFIG_MPFS_MAC_SGMII nor CONFIG_MPFS_MAC_GMII defined" +#endif + +#if defined(CONFIG_MPFS_MAC_SGMII) && defined(CONFIG_MPFS_MAC_GMII) +# error "Both CONFIG_MPFS_MAC_SGMII and CONFIG_MPFS_MAC_GMII defined" +#endif + +/* Number of buffers for RX */ + +#ifndef CONFIG_MPFS_ETHMAC_NRXBUFFERS +# define CONFIG_MPFS_ETHMAC_NRXBUFFERS (16) +#endif + +/* Number of buffers for TX */ + +#ifndef CONFIG_MPFS_ETHMAC_NTXBUFFERS +# define CONFIG_MPFS_ETHMAC_NTXBUFFERS (8) +#endif + +/* GMAC buffer sizes + * REVISIT: do we want to make GMAC_RX_UNITSIZE configurable? + * issue when using the MTU size receive block + */ + +#define GMAC_RX_UNITSIZE (512) /* Fixed size for RX buffer */ +#define GMAC_TX_UNITSIZE CONFIG_NET_ETH_PKTSIZE /* MAX size for Ethernet packet */ + +/* The MAC can support frame lengths up to 1536 bytes */ + +#define GMAC_MAX_FRAMELEN (1536) +#if CONFIG_NET_ETH_PKTSIZE > GMAC_MAX_FRAMELEN +# error CONFIG_NET_ETH_PKTSIZE is too large +#endif + +/* for DMA dma_rxbuf_size */ + +#define MPFS_MAC_RX_BUF_VALUE ((GMAC_RX_UNITSIZE + 63) / 64) + +/* We need at least one more free buffer than transmit buffers */ + +#define MPFS_GMAC_NFREEBUFFERS (CONFIG_MPFS_ETHMAC_NTXBUFFERS + 1) + +#ifdef CONFIG_NET_DUMPPACKET +# define mpfs_dumppacket(m,a,n) lib_dumpbuffer(m,a,n) +#else +# define mpfs_dumppacket(m,a,n) +#endif + +#ifdef CONFIG_MPFS_HAVE_CORERMII +# define CORE_RMII_RESET (1 << 15) +# define CORE_RMII_LOOPBACK (1 << 2) +# define CORE_RMII_FULL_DUPLEX (1 << 1) +# define CORE_RMII_100MBIT (1 << 0) +#endif + +/* Timing *******************************************************************/ + +/* TX poll delay = 1 seconds. + * CLK_TCK is the number of clock ticks per second + */ + +#define MPFS_WDDELAY (1 * CLK_TCK) + +/* TX timeout = 1 minute */ + +#define MPFS_TXTIMEOUT (60 * CLK_TCK) + +/* PHY reset tim in loop counts */ + +#define PHY_RESET_WAIT_COUNT (10) + +/* PHY re-try coount in loop counts */ + +#define PHY_RETRY_MAX 300000 + +/* This is a helper pointer for accessing the contents of the GMAC header */ + +#define BUF ((struct eth_hdr_s *)priv->dev.d_buf) + +#define upper_32_bits(n) ((uint32_t)(((n) >> 16) >> 16)) +#define lower_32_bits(n) ((uint32_t)(n)) + +/* Interrupt flags */ + +#define INT_RX (GEM_INT_RECEIVE_COMPLETE) +#define INT_TX (GEM_INT_TRANSMIT_COMPLETE) +#define INT_ERRORS (GEM_INT_TRANSMIT_BUFFER_UNDERRUN | \ + GEM_INT_RECEIVE_OVERRUN | \ + GEM_INT_AMBA_ERROR | GEM_INT_RESP_NOT_OK) +#define INT_ALL (INT_RX | INT_TX | INT_ERRORS) + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +struct gmac_rxdesc_s +{ + uint32_t addr; /* Buffer address */ + uint32_t status; /* RX status and controls */ +#if defined(CONFIG_MPFS_ETHMAC_64BIT_ADDRESS_MODE) + uint32_t addr_hi; /* Buffer address high 32-bits */ + uint32_t unused; +#endif +}; + +/* Transmit buffer descriptor */ + +struct gmac_txdesc_s +{ + uint32_t addr; /* Buffer address */ + uint32_t status; /* TX status and controls */ +#if defined(CONFIG_MPFS_ETHMAC_64BIT_ADDRESS_MODE) + uint32_t addr_hi; /* Buffer address high 32-bits */ + uint32_t unused; /* */ +#endif +}; + +static uint8_t g_pktbuf[MAX_NETDEV_PKTSIZE + CONFIG_NET_GUARDSIZE]; + +#if defined(CONFIG_MPFS_GMAC_PREALLOCATE) +static uint8_t g_txbuffer[CONFIG_MPFS_ETHMAC_NTXBUFFERS * GMAC_TX_UNITSIZE] + aligned_data(8); +static uint8_t g_rxbuffer[CONFIG_MPFS_ETHMAC_NRXBUFFERS * GMAC_RX_UNITSIZE] + aligned_data(8); +#endif + +struct mpfs_mac_queue_s +{ +#if defined(CONFIG_MPFS_GMAC_PREALLOCATE) + struct gmac_txdesc_s tx_desc_tab[CONFIG_MPFS_ETHMAC_NTXBUFFERS]; /* Transmit descriptor table */ + struct gmac_rxdesc_s rx_desc_tab[CONFIG_MPFS_ETHMAC_NRXBUFFERS]; /* Receive descriptor table */ +#else + struct gmac_txdesc_s *tx_desc_tab; /* Transmit descriptor table */ + struct gmac_rxdesc_s *rx_desc_tab; /* Receive descriptor table */ + uint8_t *rxbuffer; /* Allocated RX buffers */ + uint8_t *txbuffer; /* Allocated TX buffers */ +#endif + uint32_t txhead; /* Circular buffer head index */ + uint32_t txtail; /* Circular buffer tail index */ + uint32_t rxndx; /* RX index for current processing RX descriptor */ + volatile uint32_t *int_status; /* interrupt status */ + volatile uint32_t *int_mask; /* interrupt mask */ + volatile uint32_t *int_enable; /* interrupt enable */ + volatile uint32_t *int_disable; /* interrupt disable */ + volatile uint32_t *rx_q_ptr; /* RX queue pointer */ + volatile uint32_t *tx_q_ptr; /* TX queue pointer */ + volatile uint32_t *dma_rxbuf_size; /* RX queue buffer size */ Review comment: 2 spaces alignment -- This is an automated message from the Apache Git Service. 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