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feat(emac): add support for emac to use internal (APLL) clock outputs.

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This commit is contained in:
Frank Sautter
2017-10-17 05:05:27 +08:00
committed by michael
parent e64b9ecaf4
commit f324458b6a
10 changed files with 156 additions and 62 deletions
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20
components/ethernet/emac_dev.c
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@@ -101,18 +101,6 @@ void emac_enable_clk(bool enable)
}
}
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);
@@ -134,11 +122,3 @@ void emac_mac_init(void)
REG_CLR_BIT(EMAC_GMACCONFIG_REG, EMAC_GMACFESPEED);
REG_SET_BIT(EMAC_GMACFRAMEFILTER_REG, EMAC_PROMISCUOUS_MODE);
}
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);
}