5ddf6daa98
1. The transmitting mode of the packets from LWIP to MAC is changed from synchronous to asynchronous. 2. The receive buf mode : support pointer mode and copy mode. 3. Add get phy status func used to config mac register.
123 lines
3.3 KiB
C
123 lines
3.3 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed 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.
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "rom/ets_sys.h"
|
|
#include "rom/gpio.h"
|
|
|
|
#include "soc/dport_reg.h"
|
|
#include "soc/io_mux_reg.h"
|
|
#include "soc/rtc_cntl_reg.h"
|
|
#include "soc/gpio_reg.h"
|
|
#include "soc/gpio_sig_map.h"
|
|
#include "soc/emac_reg_v2.h"
|
|
#include "soc/emac_ex_reg.h"
|
|
|
|
#include "esp_log.h"
|
|
#include "driver/gpio.h"
|
|
#include "sdkconfig.h"
|
|
|
|
#include "emac_common.h"
|
|
|
|
static const char *TAG = "emac";
|
|
|
|
void emac_enable_dma_tx(void)
|
|
{
|
|
REG_SET_BIT(EMAC_DMAOPERATION_MODE_REG, EMAC_START_STOP_TRANSMISSION_COMMAND);
|
|
}
|
|
|
|
void emac_enable_dma_rx(void)
|
|
{
|
|
REG_SET_BIT(EMAC_DMAOPERATION_MODE_REG, EMAC_START_STOP_RECEIVE);
|
|
}
|
|
|
|
void emac_disable_dma_tx(void)
|
|
{
|
|
REG_CLR_BIT(EMAC_DMAOPERATION_MODE_REG, EMAC_OPERATE_SECOND_FRAME);
|
|
}
|
|
|
|
void emac_disable_dma_rx(void)
|
|
{
|
|
REG_CLR_BIT(EMAC_DMAOPERATION_MODE_REG, EMAC_START_STOP_RECEIVE);
|
|
}
|
|
|
|
|
|
uint32_t emac_read_mac_version(void)
|
|
{
|
|
uint32_t data = 0;
|
|
data = REG_READ(EMAC_GMACVERSION_REG);
|
|
return data;
|
|
}
|
|
|
|
void emac_reset(void)
|
|
{
|
|
REG_SET_BIT(EMAC_DMABUSMODE_REG, EMAC_SW_RST);
|
|
|
|
while (REG_GET_BIT(EMAC_DMABUSMODE_REG, EMAC_SW_RST) == 1) {
|
|
//nothing to do ,if stop here,maybe emac have not clk input.
|
|
ESP_LOGI(TAG, "emac reseting ....");
|
|
}
|
|
|
|
ESP_LOGI(TAG, "emac reset done");
|
|
}
|
|
|
|
void emac_enable_clk(bool enable)
|
|
{
|
|
if (enable == true) {
|
|
REG_SET_BIT(EMAC_CLK_EN_REG, EMAC_CLK_EN);
|
|
} else {
|
|
REG_CLR_BIT(EMAC_CLK_EN_REG, EMAC_CLK_EN);
|
|
}
|
|
}
|
|
|
|
void emac_set_clk_mii(void)
|
|
{
|
|
//select ex clock source
|
|
REG_SET_BIT(EMAC_EX_CLK_CTRL_REG, EMAC_EX_EXT_OSC_EN);
|
|
//ex clk enable
|
|
REG_SET_BIT(EMAC_EX_OSCCLK_CONF_REG, EMAC_EX_OSC_CLK_SEL);
|
|
|
|
//set mii mode rx/tx clk enable
|
|
REG_SET_BIT(EMAC_EX_CLK_CTRL_REG, EMAC_EX_MII_CLK_RX_EN);
|
|
REG_SET_BIT(EMAC_EX_CLK_CTRL_REG, EMAC_EX_MII_CLK_TX_EN);
|
|
}
|
|
|
|
void emac_dma_init(void)
|
|
{
|
|
REG_SET_BIT(EMAC_DMAOPERATION_MODE_REG, EMAC_FORWARD_UNDERSIZED_GOOD_FRAMES);
|
|
REG_SET_BIT(EMAC_DMAOPERATION_MODE_REG, EMAC_OPERATE_SECOND_FRAME);
|
|
REG_SET_FIELD(EMAC_DMABUSMODE_REG, EMAC_PROG_BURST_LEN, 4);
|
|
REG_SET_BIT(EMAC_DMAOPERATION_MODE_REG,EMAC_DMAOPERATION_MODE_REG);
|
|
}
|
|
|
|
void emac_mac_init(void)
|
|
{
|
|
REG_SET_BIT(EMAC_GMACCONFIG_REG, EMAC_GMACDUPLEX);
|
|
REG_SET_BIT(EMAC_GMACCONFIG_REG, EMAC_GMACMIIGMII);
|
|
REG_SET_BIT(EMAC_GMACCONFIG_REG, EMAC_GMACFESPEED);
|
|
REG_SET_BIT(EMAC_GMACFRAMEFILTER_REG, EMAC_PROMISCUOUS_MODE);
|
|
|
|
REG_SET_BIT(EMAC_GMACCONFIG_REG, EMAC_GMACRX);
|
|
REG_SET_BIT(EMAC_GMACCONFIG_REG, EMAC_GMACTX);
|
|
}
|
|
|
|
void emac_set_clk_rmii(void)
|
|
{
|
|
//select ex clock source
|
|
REG_SET_BIT(EMAC_EX_CLK_CTRL_REG, EMAC_EX_EXT_OSC_EN);
|
|
//ex clk enable
|
|
REG_SET_BIT(EMAC_EX_OSCCLK_CONF_REG, EMAC_EX_OSC_CLK_SEL);
|
|
}
|