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ethernet: stmmac: dwmac-rk: Add speed setting for gmac controller of px30

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Need to setup the speed setting for 10/100, otherwise the gmac can't
work.

Change-Id: I92a410b7b453e145fecc817841eecc54afca4051
Signed-off-by: David Wu <david.wu@rock-chips.com>
This commit is contained in:
David Wu
2018-02-24 09:27:22 +08:00
committed by Tao Huang
parent 72a3380985
commit 807a02af27
1 changed files with 8 additions and 0 deletions
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8
drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
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@@ -89,6 +89,8 @@ struct rk_priv_data {
/* PX30_GRF_GMAC_CON1 */
#define PX30_GMAC_PHY_INTF_SEL_RMII (GRF_CLR_BIT(4) | GRF_CLR_BIT(5) | \
GRF_BIT(6))
#define PX30_GMAC_SPEED_10M GRF_CLR_BIT(2)
#define PX30_GMAC_SPEED_100M GRF_BIT(2)
static void px30_set_to_rmii(struct rk_priv_data *bsp_priv)
{
@@ -114,11 +116,17 @@ static void px30_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
}
if (speed == 10) {
regmap_write(bsp_priv->grf, PX30_GRF_GMAC_CON1,
PX30_GMAC_SPEED_10M);
ret = clk_set_rate(bsp_priv->clk_mac_speed, 2500000);
if (ret)
dev_err(dev, "%s: set clk_mac_speed rate 2500000 failed: %d\n",
__func__, ret);
} else if (speed == 100) {
regmap_write(bsp_priv->grf, PX30_GRF_GMAC_CON1,
PX30_GMAC_SPEED_100M);
ret = clk_set_rate(bsp_priv->clk_mac_speed, 25000000);
if (ret)
dev_err(dev, "%s: set clk_mac_speed rate 25000000 failed: %d\n",