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!235 raspi eth drv 

Merge pull request !235 from 王伟林/wwl
This commit is contained in:
bernard 2021-06-23 01:56:11 +00:00 committed by Gitee
parent 82f3a84ec8 095d2e8da6
commit 9656be3686
1 changed files with 152 additions and 171 deletions
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323
bsp/raspberry-pi/raspi4-32/driver/drv_eth.c
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@ -1,6 +1,6 @@
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
* Copyright (c) 2006-2020, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
@ -19,8 +19,6 @@
#include "raspi4.h"
#include "drv_eth.h"
//#define ETH_RX_POLL
#define DBG_LEVEL DBG_LOG
#include <rtdbg.h>
#define LOG_TAG "drv.eth"
@ -28,13 +26,12 @@
static int link_speed = 0;
static int link_flag = 0;
#define RECV_CACHE_BUF (1024)
#define SEND_DATA_NO_CACHE (0x08200000)
#define RECV_DATA_NO_CACHE (0x08400000)
#define DMA_DISC_ADDR_SIZE (4 * 1024 *1024)
#define RECV_CACHE_BUF (2048)
#define SEND_CACHE_BUF (2048)
#define DMA_DISC_ADDR_SIZE (2 * 1024 *1024)
#define RX_DESC_BASE (MAC_REG + GENET_RX_OFF)
#define TX_DESC_BASE (MAC_REG + GENET_TX_OFF)
#define RX_DESC_BASE (mac_reg_base_addr + GENET_RX_OFF)
#define TX_DESC_BASE (mac_reg_base_addr + GENET_TX_OFF)
#define MAX_ADDR_LEN (6)
@ -48,11 +45,11 @@ static rt_thread_t link_thread_tid = RT_NULL;
#define LINK_THREAD_PRIORITY (20)
#define LINK_THREAD_TIMESLICE (10)
static rt_uint32_t tx_index = 0;
static rt_uint32_t rx_index = 0;
static rt_uint32_t index_flag = 0;
static rt_uint32_t send_cache_pbuf[RECV_CACHE_BUF];
struct rt_eth_dev
{
@ -63,11 +60,12 @@ struct rt_eth_dev
int state;
int index;
struct rt_timer link_timer;
struct rt_timer rx_poll_timer;
void *priv;
};
static struct rt_eth_dev eth_dev;
static struct rt_semaphore sem_lock;
static struct rt_semaphore send_finsh_sem_lock;
static struct rt_semaphore link_ack;
static inline rt_uint32_t read32(void *addr)
@ -80,13 +78,18 @@ static inline void write32(void *addr, rt_uint32_t value)
(*((volatile unsigned int*)(addr))) = value;
}
static void eth_rx_irq(int irq, void *param)
{
#ifndef ETH_RX_POLL
rt_uint32_t val = 0;
val = read32(MAC_REG + GENET_INTRL2_CPU_STAT);
val &= ~read32(MAC_REG + GENET_INTRL2_CPU_STAT_MASK);
write32(MAC_REG + GENET_INTRL2_CPU_CLEAR, val);
val = read32(mac_reg_base_addr + GENET_INTRL2_CPU_STAT);
val &= ~read32(mac_reg_base_addr + GENET_INTRL2_CPU_STAT_MASK);
write32(mac_reg_base_addr + GENET_INTRL2_CPU_CLEAR, val);
if (val & GENET_IRQ_RXDMA_DONE)
{
eth_device_ready(&eth_dev.parent);
@ -94,11 +97,8 @@ static void eth_rx_irq(int irq, void *param)
if (val & GENET_IRQ_TXDMA_DONE)
{
//todo
rt_sem_release(&send_finsh_sem_lock);
}
#else
eth_device_ready(&eth_dev.parent);
#endif
}
/* We only support RGMII (as used on the RPi4). */
@ -109,10 +109,11 @@ static int bcmgenet_interface_set(void)
{
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_RGMII_RXID:
write32(MAC_REG + SYS_PORT_CTRL, PORT_MODE_EXT_GPHY);
write32(mac_reg_base_addr + SYS_PORT_CTRL, PORT_MODE_EXT_GPHY);
break;
default:
rt_kprintf("unknown phy mode: %d\n", MAC_REG);
rt_kprintf("unknown phy mode: %d\n", mac_reg_base_addr);
return -1;
}
return 0;
@ -121,44 +122,48 @@ static int bcmgenet_interface_set(void)
static void bcmgenet_umac_reset(void)
{
rt_uint32_t reg;
reg = read32(MAC_REG + SYS_RBUF_FLUSH_CTRL);
reg = read32(mac_reg_base_addr + SYS_RBUF_FLUSH_CTRL);
reg |= BIT(1);
write32((MAC_REG + SYS_RBUF_FLUSH_CTRL), reg);
write32((mac_reg_base_addr + SYS_RBUF_FLUSH_CTRL), reg);
reg &= ~BIT(1);
write32((MAC_REG + SYS_RBUF_FLUSH_CTRL), reg);
write32((mac_reg_base_addr + SYS_RBUF_FLUSH_CTRL), reg);
DELAY_MICROS(10);
write32((MAC_REG + SYS_RBUF_FLUSH_CTRL), 0);
write32((mac_reg_base_addr + SYS_RBUF_FLUSH_CTRL), 0);
DELAY_MICROS(10);
write32(MAC_REG + UMAC_CMD, 0);
write32(MAC_REG + UMAC_CMD, (CMD_SW_RESET | CMD_LCL_LOOP_EN));
write32(mac_reg_base_addr + UMAC_CMD, 0);
write32(mac_reg_base_addr + UMAC_CMD, (CMD_SW_RESET | CMD_LCL_LOOP_EN));
DELAY_MICROS(2);
write32(MAC_REG + UMAC_CMD, 0);
write32(mac_reg_base_addr + UMAC_CMD, 0);
/* clear tx/rx counter */
write32(MAC_REG + UMAC_MIB_CTRL, MIB_RESET_RX | MIB_RESET_TX | MIB_RESET_RUNT);
write32(MAC_REG + UMAC_MIB_CTRL, 0);
write32(MAC_REG + UMAC_MAX_FRAME_LEN, ENET_MAX_MTU_SIZE);
write32(mac_reg_base_addr + UMAC_MIB_CTRL, MIB_RESET_RX | MIB_RESET_TX | MIB_RESET_RUNT);
write32(mac_reg_base_addr + UMAC_MIB_CTRL, 0);
write32(mac_reg_base_addr + UMAC_MAX_FRAME_LEN, ENET_MAX_MTU_SIZE);
/* init rx registers, enable ip header optimization */
reg = read32(MAC_REG + RBUF_CTRL);
reg = read32(mac_reg_base_addr + RBUF_CTRL);
reg |= RBUF_ALIGN_2B;
write32(MAC_REG + RBUF_CTRL, reg);
write32(MAC_REG + RBUF_TBUF_SIZE_CTRL, 1);
write32(mac_reg_base_addr + RBUF_CTRL, reg);
write32(mac_reg_base_addr + RBUF_TBUF_SIZE_CTRL, 1);
}
static void bcmgenet_disable_dma(void)
{
rt_uint32_t tdma_reg = 0, rdma_reg = 0;
tdma_reg = read32(MAC_REG + TDMA_REG_BASE + DMA_CTRL);
tdma_reg = read32(mac_reg_base_addr + TDMA_REG_BASE + DMA_CTRL);
tdma_reg &= ~(1UL << DMA_EN);
write32(MAC_REG + TDMA_REG_BASE + DMA_CTRL, tdma_reg);
rdma_reg = read32(MAC_REG + RDMA_REG_BASE + DMA_CTRL);
write32(mac_reg_base_addr + TDMA_REG_BASE + DMA_CTRL, tdma_reg);
rdma_reg = read32(mac_reg_base_addr + RDMA_REG_BASE + DMA_CTRL);
rdma_reg &= ~(1UL << DMA_EN);
write32(MAC_REG + RDMA_REG_BASE + DMA_CTRL, rdma_reg);
write32(MAC_REG + UMAC_TX_FLUSH, 1);
write32(mac_reg_base_addr + RDMA_REG_BASE + DMA_CTRL, rdma_reg);
write32(mac_reg_base_addr + UMAC_TX_FLUSH, 1);
DELAY_MICROS(100);
write32(MAC_REG + UMAC_TX_FLUSH, 0);
write32(mac_reg_base_addr + UMAC_TX_FLUSH, 0);
}
static void bcmgenet_enable_dma(void)
@ -167,10 +172,10 @@ static void bcmgenet_enable_dma(void)
rt_uint32_t dma_ctrl = 0;
dma_ctrl = (1 << (DEFAULT_Q + DMA_RING_BUF_EN_SHIFT)) | DMA_EN;
write32(MAC_REG + TDMA_REG_BASE + DMA_CTRL, dma_ctrl);
write32(mac_reg_base_addr + TDMA_REG_BASE + DMA_CTRL, dma_ctrl);
reg = read32(MAC_REG + RDMA_REG_BASE + DMA_CTRL);
write32(MAC_REG + RDMA_REG_BASE + DMA_CTRL, dma_ctrl | reg);
reg = read32(mac_reg_base_addr + RDMA_REG_BASE + DMA_CTRL);
write32(mac_reg_base_addr + RDMA_REG_BASE + DMA_CTRL, dma_ctrl | reg);
}
static int bcmgenet_mdio_write(rt_uint32_t addr, rt_uint32_t reg, rt_uint32_t value)
@ -178,16 +183,16 @@ static int bcmgenet_mdio_write(rt_uint32_t addr, rt_uint32_t reg, rt_uint32_t va
int count = 10000;
rt_uint32_t val;
val = MDIO_WR | (addr << MDIO_PMD_SHIFT) | (reg << MDIO_REG_SHIFT) | (0xffff & value);
write32(MAC_REG + MDIO_CMD, val);
write32(mac_reg_base_addr + MDIO_CMD, val);
rt_uint32_t reg_val = read32(MAC_REG + MDIO_CMD);
rt_uint32_t reg_val = read32(mac_reg_base_addr + MDIO_CMD);
reg_val = reg_val | MDIO_START_BUSY;
write32(MAC_REG + MDIO_CMD, reg_val);
write32(mac_reg_base_addr + MDIO_CMD, reg_val);
while ((read32(MAC_REG + MDIO_CMD) & MDIO_START_BUSY) && (--count))
while ((read32(mac_reg_base_addr + MDIO_CMD) & MDIO_START_BUSY) && (--count))
DELAY_MICROS(1);
reg_val = read32(MAC_REG + MDIO_CMD);
reg_val = read32(mac_reg_base_addr + MDIO_CMD);
return reg_val & 0xffff;
}
@ -199,32 +204,31 @@ static int bcmgenet_mdio_read(rt_uint32_t addr, rt_uint32_t reg)
rt_uint32_t reg_val = 0;
val = MDIO_RD | (addr << MDIO_PMD_SHIFT) | (reg << MDIO_REG_SHIFT);
write32(MAC_REG + MDIO_CMD, val);
write32(mac_reg_base_addr + MDIO_CMD, val);
reg_val = read32(MAC_REG + MDIO_CMD);
reg_val = read32(mac_reg_base_addr + MDIO_CMD);
reg_val = reg_val | MDIO_START_BUSY;
write32(MAC_REG + MDIO_CMD, reg_val);
write32(mac_reg_base_addr + MDIO_CMD, reg_val);
while ((read32(MAC_REG + MDIO_CMD) & MDIO_START_BUSY) && (--count))
while ((read32(mac_reg_base_addr + MDIO_CMD) & MDIO_START_BUSY) && (--count))
DELAY_MICROS(1);
reg_val = read32(MAC_REG + MDIO_CMD);
reg_val = read32(mac_reg_base_addr + MDIO_CMD);
return reg_val & 0xffff;
}
static int bcmgenet_gmac_write_hwaddr(void)
{
//{0xdc,0xa6,0x32,0x28,0x22,0x50};
rt_uint8_t addr[6];
rt_uint32_t reg;
bcm271x_mbox_hardware_get_mac_address(&addr[0]);
reg = addr[0] << 24 | addr[1] << 16 | addr[2] << 8 | addr[3];
write32(MAC_REG + UMAC_MAC0, reg);
write32(mac_reg_base_addr + UMAC_MAC0, reg);
reg = addr[4] << 8 | addr[5];
write32(MAC_REG + UMAC_MAC1, reg);
write32(mac_reg_base_addr + UMAC_MAC1, reg);
return 0;
}
@ -250,10 +254,8 @@ static void bcmgenet_mdio_init(void)
rt_uint32_t ret = 0;
/*get ethernet uid*/
ret = get_ethernet_uid();
if (ret == 0)
{
return;
}
if (ret == 0) return;
/* reset phy */
bcmgenet_mdio_write(1, BCM54213PE_MII_CONTROL, MII_CONTROL_PHY_RESET);
/* read control reg */
@ -280,34 +282,34 @@ static void bcmgenet_mdio_init(void)
static void rx_ring_init(void)
{
write32(MAC_REG + RDMA_REG_BASE + DMA_SCB_BURST_SIZE, DMA_MAX_BURST_LENGTH);
write32(MAC_REG + RDMA_RING_REG_BASE + DMA_START_ADDR, 0x0);
write32(MAC_REG + RDMA_READ_PTR, 0x0);
write32(MAC_REG + RDMA_WRITE_PTR, 0x0);
write32(MAC_REG + RDMA_RING_REG_BASE + DMA_END_ADDR, RX_DESCS * DMA_DESC_SIZE / 4 - 1);
write32(mac_reg_base_addr + RDMA_REG_BASE + DMA_SCB_BURST_SIZE, DMA_MAX_BURST_LENGTH);
write32(mac_reg_base_addr + RDMA_RING_REG_BASE + DMA_START_ADDR, 0x0);
write32(mac_reg_base_addr + RDMA_READ_PTR, 0x0);
write32(mac_reg_base_addr + RDMA_WRITE_PTR, 0x0);
write32(mac_reg_base_addr + RDMA_RING_REG_BASE + DMA_END_ADDR, RX_DESCS * DMA_DESC_SIZE / 4 - 1);
write32(MAC_REG + RDMA_PROD_INDEX, 0x0);
write32(MAC_REG + RDMA_CONS_INDEX, 0x0);
write32(MAC_REG + RDMA_RING_REG_BASE + DMA_RING_BUF_SIZE, (RX_DESCS << DMA_RING_SIZE_SHIFT) | RX_BUF_LENGTH);
write32(MAC_REG + RDMA_XON_XOFF_THRESH, DMA_FC_THRESH_VALUE);
write32(MAC_REG + RDMA_REG_BASE + DMA_RING_CFG, 1 << DEFAULT_Q);
write32(mac_reg_base_addr + RDMA_PROD_INDEX, 0x0);
write32(mac_reg_base_addr + RDMA_CONS_INDEX, 0x0);
write32(mac_reg_base_addr + RDMA_RING_REG_BASE + DMA_RING_BUF_SIZE, (RX_DESCS << DMA_RING_SIZE_SHIFT) | RX_BUF_LENGTH);
write32(mac_reg_base_addr + RDMA_XON_XOFF_THRESH, DMA_FC_THRESH_VALUE);
write32(mac_reg_base_addr + RDMA_REG_BASE + DMA_RING_CFG, 1 << DEFAULT_Q);
}
static void tx_ring_init(void)
{
write32(MAC_REG + TDMA_REG_BASE + DMA_SCB_BURST_SIZE, DMA_MAX_BURST_LENGTH);
write32(MAC_REG + TDMA_RING_REG_BASE + DMA_START_ADDR, 0x0);
write32(MAC_REG + TDMA_READ_PTR, 0x0);
write32(MAC_REG + TDMA_READ_PTR, 0x0);
write32(MAC_REG + TDMA_READ_PTR, 0x0);
write32(MAC_REG + TDMA_WRITE_PTR, 0x0);
write32(MAC_REG + TDMA_RING_REG_BASE + DMA_END_ADDR, TX_DESCS * DMA_DESC_SIZE / 4 - 1);
write32(MAC_REG + TDMA_PROD_INDEX, 0x0);
write32(MAC_REG + TDMA_CONS_INDEX, 0x0);
write32(MAC_REG + TDMA_RING_REG_BASE + DMA_MBUF_DONE_THRESH, 0x1);
write32(MAC_REG + TDMA_FLOW_PERIOD, 0x0);
write32(MAC_REG + TDMA_RING_REG_BASE + DMA_RING_BUF_SIZE, (TX_DESCS << DMA_RING_SIZE_SHIFT) | RX_BUF_LENGTH);
write32(MAC_REG + TDMA_REG_BASE + DMA_RING_CFG, 1 << DEFAULT_Q);
write32(mac_reg_base_addr + TDMA_REG_BASE + DMA_SCB_BURST_SIZE, DMA_MAX_BURST_LENGTH);
write32(mac_reg_base_addr + TDMA_RING_REG_BASE + DMA_START_ADDR, 0x0);
write32(mac_reg_base_addr + TDMA_READ_PTR, 0x0);
write32(mac_reg_base_addr + TDMA_READ_PTR, 0x0);
write32(mac_reg_base_addr + TDMA_READ_PTR, 0x0);
write32(mac_reg_base_addr + TDMA_WRITE_PTR, 0x0);
write32(mac_reg_base_addr + TDMA_RING_REG_BASE + DMA_END_ADDR, TX_DESCS * DMA_DESC_SIZE / 4 - 1);
write32(mac_reg_base_addr + TDMA_PROD_INDEX, 0x0);
write32(mac_reg_base_addr + TDMA_CONS_INDEX, 0x0);
write32(mac_reg_base_addr + TDMA_RING_REG_BASE + DMA_MBUF_DONE_THRESH, 0x1);
write32(mac_reg_base_addr + TDMA_FLOW_PERIOD, 0x0);
write32(mac_reg_base_addr + TDMA_RING_REG_BASE + DMA_RING_BUF_SIZE, (TX_DESCS << DMA_RING_SIZE_SHIFT) | RX_BUF_LENGTH);
write32(mac_reg_base_addr + TDMA_REG_BASE + DMA_RING_CFG, 1 << DEFAULT_Q);
}
static void rx_descs_init(void)
@ -346,14 +348,14 @@ static int bcmgenet_adjust_link(void)
return -1;
}
rt_uint32_t reg1 = read32(MAC_REG + EXT_RGMII_OOB_CTRL);
rt_uint32_t reg1 = read32(mac_reg_base_addr + EXT_RGMII_OOB_CTRL);
//reg1 &= ~(1UL << OOB_DISABLE);
//rt_kprintf("OOB_DISABLE is %d\n", OOB_DISABLE);
reg1 |= (RGMII_LINK | RGMII_MODE_EN | ID_MODE_DIS);
write32(MAC_REG + EXT_RGMII_OOB_CTRL, reg1);
write32(mac_reg_base_addr + EXT_RGMII_OOB_CTRL, reg1);
DELAY_MICROS(1000);
write32(MAC_REG + UMAC_CMD, speed << CMD_SPEED_SHIFT);
write32(mac_reg_base_addr + UMAC_CMD, speed << CMD_SPEED_SHIFT);
return 0;
}
@ -391,28 +393,28 @@ static int bcmgenet_gmac_eth_start(void)
}
/* wait tx index clear */
while ((read32(MAC_REG + TDMA_CONS_INDEX) != 0) && (--count))
while ((read32(mac_reg_base_addr + TDMA_CONS_INDEX) != 0) && (--count))
DELAY_MICROS(1);
tx_index = read32(MAC_REG + TDMA_CONS_INDEX);
write32(MAC_REG + TDMA_PROD_INDEX, tx_index);
tx_index = read32(mac_reg_base_addr + TDMA_CONS_INDEX);
write32(mac_reg_base_addr + TDMA_PROD_INDEX, tx_index);
index_flag = read32(MAC_REG + RDMA_PROD_INDEX);
index_flag = read32(mac_reg_base_addr + RDMA_PROD_INDEX);
rx_index = index_flag % 256;
rx_index = index_flag % RX_DESCS;
write32(MAC_REG + RDMA_CONS_INDEX, index_flag);
write32(MAC_REG + RDMA_PROD_INDEX, index_flag);
write32(mac_reg_base_addr + RDMA_CONS_INDEX, index_flag);
write32(mac_reg_base_addr + RDMA_PROD_INDEX, index_flag);
/* Enable Rx/Tx */
rt_uint32_t rx_tx_en;
rx_tx_en = read32(MAC_REG + UMAC_CMD);
rx_tx_en = read32(mac_reg_base_addr + UMAC_CMD);
rx_tx_en |= (CMD_TX_EN | CMD_RX_EN);
write32(MAC_REG + UMAC_CMD, rx_tx_en);
//IRQ
write32(MAC_REG + GENET_INTRL2_CPU_CLEAR_MASK, GENET_IRQ_TXDMA_DONE | GENET_IRQ_RXDMA_DONE);
write32(mac_reg_base_addr + UMAC_CMD, rx_tx_en);
// eanble IRQ for TxDMA done and RxDMA done
write32(mac_reg_base_addr + GENET_INTRL2_CPU_CLEAR_MASK, GENET_IRQ_TXDMA_DONE | GENET_IRQ_RXDMA_DONE);
return 0;
}
@ -422,18 +424,16 @@ static rt_uint32_t bcmgenet_gmac_eth_recv(rt_uint8_t **packetp)
{
void* desc_base;
rt_uint32_t length = 0, addr = 0;
rt_uint32_t prod_index = read32(MAC_REG + RDMA_PROD_INDEX);
//get next
if(prod_index == index_flag)
rt_uint32_t prod_index = read32(mac_reg_base_addr + RDMA_PROD_INDEX);
if(prod_index == index_flag) //no buff
{
cur_recv_cnt = index_flag;
index_flag = 0x7fffffff;
//no buff
return 0;
}
else
{
if(prev_recv_cnt == prod_index)
if(prev_recv_cnt == (prod_index & 0xffff)) //no new buff
{
return 0;
}
@ -446,14 +446,20 @@ static rt_uint32_t bcmgenet_gmac_eth_recv(rt_uint8_t **packetp)
* This would actually not be needed if we don't program
* RBUF_ALIGN_2B
*/
//Convert to memory address
addr = addr + eth_recv_no_cache - RECV_DATA_NO_CACHE;
rt_hw_cpu_dcache_invalidate(addr,length);
*packetp = (rt_uint8_t *)(addr + RX_BUF_OFFSET);
rx_index = rx_index + 1;
if(rx_index >= 256)
if(rx_index >= RX_DESCS)
{
rx_index = 0;
}
write32(MAC_REG + RDMA_CONS_INDEX, cur_recv_cnt);
write32(mac_reg_base_addr + RDMA_CONS_INDEX, cur_recv_cnt);
cur_recv_cnt = cur_recv_cnt + 1;
@ -463,54 +469,43 @@ static rt_uint32_t bcmgenet_gmac_eth_recv(rt_uint8_t **packetp)
}
prev_recv_cnt = cur_recv_cnt;
return length;
return length - RX_BUF_OFFSET;
}
}
static int bcmgenet_gmac_eth_send(void *packet, int length)
static int bcmgenet_gmac_eth_send(rt_uint32_t packet, int length,struct pbuf *p)
{
rt_ubase_t level;
void *desc_base = (TX_DESC_BASE + tx_index * DMA_DESC_SIZE);
pbuf_copy_partial(p, (void*)(packet + tx_index * SEND_CACHE_BUF), p->tot_len, 0);
rt_uint32_t len_stat = length << DMA_BUFLENGTH_SHIFT;
rt_uint32_t prod_index, cons;
rt_uint32_t tries = 100;
prod_index = read32(MAC_REG + TDMA_PROD_INDEX);
len_stat |= 0x3F << DMA_TX_QTAG_SHIFT;
len_stat |= DMA_TX_APPEND_CRC | DMA_SOP | DMA_EOP;
rt_hw_cpu_dcache_clean((void*)(packet + tx_index * SEND_CACHE_BUF),length);
write32((desc_base + DMA_DESC_ADDRESS_LO), SEND_DATA_NO_CACHE);
rt_uint32_t prod_index;
prod_index = read32(mac_reg_base_addr + TDMA_PROD_INDEX);
write32((desc_base + DMA_DESC_ADDRESS_LO), SEND_DATA_NO_CACHE + tx_index * SEND_CACHE_BUF);
write32((desc_base + DMA_DESC_ADDRESS_HI), 0);
write32((desc_base + DMA_DESC_LENGTH_STATUS), len_stat);
tx_index = tx_index + 1;
tx_index ++;
if(tx_index >= TX_DESCS)
{
tx_index = 0;
}
prod_index = prod_index + 1;
if (prod_index == 0xe000)
if (prod_index > 0xffff)
{
write32(MAC_REG + TDMA_PROD_INDEX, 0);
prod_index = 0;
}
if (tx_index == 256)
{
tx_index = 0;
}
/* Start Transmisson */
write32(MAC_REG + TDMA_PROD_INDEX, prod_index);
do
{
cons = read32(MAC_REG + TDMA_CONS_INDEX);
} while ((cons & 0xffff) < prod_index && --tries);
if (!tries)
{
rt_kprintf("send err! tries is %d\n", tries);
return -1;
}
write32(mac_reg_base_addr + TDMA_PROD_INDEX, prod_index);
return 0;
}
@ -519,8 +514,10 @@ static void link_task_entry(void *param)
struct eth_device *eth_device = (struct eth_device *)param;
RT_ASSERT(eth_device != RT_NULL);
struct rt_eth_dev *dev = &eth_dev;
//start mdio
bcmgenet_mdio_init();
//start timer link
rt_timer_init(&dev->link_timer, "link_timer",
link_irq,
@ -535,7 +532,7 @@ static void link_task_entry(void *param)
rt_timer_stop(&dev->link_timer);
//set mac
bcmgenet_gmac_write_hwaddr();
// bcmgenet_gmac_write_hwaddr();
bcmgenet_gmac_write_hwaddr();
//check link speed
@ -555,20 +552,13 @@ static void link_task_entry(void *param)
rt_kprintf("Support link mode Speed 10M\n");
}
bcmgenet_gmac_eth_start();
//irq or poll
#ifdef ETH_RX_POLL
rt_timer_init(&dev->rx_poll_timer, "rx_poll_timer",
eth_rx_irq,
NULL,
1,
RT_TIMER_FLAG_PERIODIC);
rt_timer_start(&dev->rx_poll_timer);
#else
//Convert to memory address
bcmgenet_gmac_eth_start();
rt_hw_interrupt_install(ETH_IRQ, eth_rx_irq, NULL, "eth_irq");
rt_hw_interrupt_umask(ETH_IRQ);
#endif
link_flag = 1;
}
@ -579,7 +569,7 @@ static rt_err_t bcmgenet_eth_init(rt_device_t device)
/* Read GENET HW version */
rt_uint8_t major = 0;
hw_reg = read32(MAC_REG + SYS_REV_CTRL);
hw_reg = read32(mac_reg_base_addr + SYS_REV_CTRL);
major = (hw_reg >> 24) & 0x0f;
if (major != 6)
{
@ -599,12 +589,12 @@ static rt_err_t bcmgenet_eth_init(rt_device_t device)
}
/* rbuf clear */
write32(MAC_REG + SYS_RBUF_FLUSH_CTRL, 0);
write32(mac_reg_base_addr + SYS_RBUF_FLUSH_CTRL, 0);
/* disable MAC while updating its registers */
write32(MAC_REG + UMAC_CMD, 0);
write32(mac_reg_base_addr + UMAC_CMD, 0);
/* issue soft reset with (rg)mii loopback to ensure a stable rxclk */
write32(MAC_REG + UMAC_CMD, CMD_SW_RESET | CMD_LCL_LOOP_EN);
write32(mac_reg_base_addr + UMAC_CMD, CMD_SW_RESET | CMD_LCL_LOOP_EN);
link_thread_tid = rt_thread_create("link", link_task_entry, (void *)device,
LINK_THREAD_STACK_SIZE,
@ -633,36 +623,29 @@ static rt_err_t bcmgenet_eth_control(rt_device_t dev, int cmd, void *args)
rt_err_t rt_eth_tx(rt_device_t device, struct pbuf *p)
{
rt_uint32_t sendbuf = (rt_uint32_t)SEND_DATA_NO_CACHE;
/* lock eth device */
if (link_flag == 1)
{
rt_sem_take(&sem_lock, RT_WAITING_FOREVER);
pbuf_copy_partial(p, (void *)&send_cache_pbuf[0], p->tot_len, 0);
rt_memcpy((void *)sendbuf, send_cache_pbuf, p->tot_len);
bcmgenet_gmac_eth_send((void *)sendbuf, p->tot_len);
rt_sem_release(&sem_lock);
bcmgenet_gmac_eth_send((rt_uint32_t)eth_send_no_cache, p->tot_len,p);
rt_sem_take(&send_finsh_sem_lock,RT_WAITING_FOREVER);
}
return RT_EOK;
}
char recv_data[RX_BUF_LENGTH];
struct pbuf *rt_eth_rx(rt_device_t device)
{
int recv_len = 0;
rt_uint32_t addr_point[8];
rt_uint8_t* addr_point = RT_NULL;
struct pbuf *pbuf = RT_NULL;
if (link_flag == 1)
{
rt_sem_take(&sem_lock, RT_WAITING_FOREVER);
recv_len = bcmgenet_gmac_eth_recv((rt_uint8_t **)&addr_point[0]);
recv_len = bcmgenet_gmac_eth_recv(&addr_point);
if (recv_len > 0)
{
pbuf = pbuf_alloc(PBUF_LINK, recv_len, PBUF_RAM);
rt_memcpy(pbuf->payload, (char *)addr_point[0], recv_len);
if(pbuf)
rt_memcpy(pbuf->payload, addr_point, recv_len);
}
rt_sem_release(&sem_lock);
}
return pbuf;
}
@ -670,16 +653,14 @@ struct pbuf *rt_eth_rx(rt_device_t device)
int rt_hw_eth_init(void)
{
rt_uint8_t mac_addr[6];
rt_sem_init(&sem_lock, "eth_lock", 1, RT_IPC_FLAG_FIFO);
rt_sem_init(&send_finsh_sem_lock,"send_finsh_sem_lock",TX_DESCS,RT_IPC_FLAG_FIFO);
rt_sem_init(&link_ack, "link_ack", 0, RT_IPC_FLAG_FIFO);
memset(&eth_dev, 0, sizeof(eth_dev));
memset((void *)SEND_DATA_NO_CACHE, 0, sizeof(DMA_DISC_ADDR_SIZE));
memset((void *)RECV_DATA_NO_CACHE, 0, sizeof(DMA_DISC_ADDR_SIZE));
memset((void *)eth_send_no_cache, 0, DMA_DISC_ADDR_SIZE);
memset((void *)eth_recv_no_cache, 0, DMA_DISC_ADDR_SIZE);
bcm271x_mbox_hardware_get_mac_address(&mac_addr[0]);
eth_dev.iobase = MAC_REG;
eth_dev.iobase = mac_reg_base_addr;
eth_dev.name = "e0";
eth_dev.dev_addr[0] = mac_addr[0];
eth_dev.dev_addr[1] = mac_addr[1];