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ethernet: support flow control

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This commit is contained in:
shangke
2017-01-06 13:49:42 +08:00
parent a3f6728797
commit 0e701e1cac
11 changed files with 211 additions and 60 deletions
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31
components/ethernet/emac_dev.c
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@@ -34,6 +34,24 @@
static const char *TAG = "emac";
void emac_enable_flowctrl(void)
{
REG_SET_BIT(EMAC_GMACFLOWCONTROL_REG, EMAC_TRANSMIT_FLOW_CONTROL_ENABLE);
REG_SET_BIT(EMAC_GMACFLOWCONTROL_REG, EMAC_RECEIVE_FLOW_CONTROL_ENABLE);
REG_CLR_BIT(EMAC_GMACFLOWCONTROL_REG, EMAC_DISABLE_ZERO_QUANTA_PAUSE);
REG_SET_FIELD(EMAC_GMACFLOWCONTROL_REG, EMAC_PAUSE_TIME, 0x1648);
REG_SET_FIELD(EMAC_GMACFLOWCONTROL_REG, EMAC_PAUSE_LOW_THRESHOLD, 0x1);
}
void emac_disable_flowctrl(void)
{
REG_CLR_BIT(EMAC_GMACFLOWCONTROL_REG, EMAC_TRANSMIT_FLOW_CONTROL_ENABLE);
REG_CLR_BIT(EMAC_GMACFLOWCONTROL_REG, EMAC_RECEIVE_FLOW_CONTROL_ENABLE);
REG_CLR_BIT(EMAC_GMACFLOWCONTROL_REG, EMAC_DISABLE_ZERO_QUANTA_PAUSE);
REG_SET_FIELD(EMAC_GMACFLOWCONTROL_REG, EMAC_PAUSE_TIME, 0);
REG_SET_FIELD(EMAC_GMACFLOWCONTROL_REG, EMAC_PAUSE_LOW_THRESHOLD, 0);
}
void emac_enable_dma_tx(void)
{
REG_SET_BIT(EMAC_DMAOPERATION_MODE_REG, EMAC_START_STOP_TRANSMISSION_COMMAND);
@@ -100,18 +118,21 @@ 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);
REG_SET_BIT(EMAC_DMAOPERATION_MODE_REG, EMAC_DMAOPERATION_MODE_REG);
}
void emac_mac_enable_txrx(void)
{
REG_SET_BIT(EMAC_GMACCONFIG_REG, EMAC_GMACRX);
REG_SET_BIT(EMAC_GMACCONFIG_REG, EMAC_GMACTX);
}
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_CLR_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)