diff options
| author | Heiko Stuebner | 2019-07-24 01:20:29 +0200 |
|---|---|---|
| committer | Kever Yang | 2019-11-17 17:23:10 +0800 |
| commit | b079118400256e91d58cde31c60cac09c2036a9e (patch) | |
| tree | 767c93b9e1748a308207e251afc4a662ccc0887d /drivers/net | |
| parent | d49a526750754cc93ffaa1182cfdf7ffa723e4b6 (diff) | |
net: gmac_rockchip: add support for px30
Add the glue code to allow the px30 variant of the Rockchip gmac
to provide network functionality.
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/gmac_rockchip.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/net/gmac_rockchip.c b/drivers/net/gmac_rockchip.c index 26a61211750..d2c52b4c46f 100644 --- a/drivers/net/gmac_rockchip.c +++ b/drivers/net/gmac_rockchip.c @@ -14,6 +14,7 @@ #include <asm/arch-rockchip/periph.h> #include <asm/arch-rockchip/clock.h> #include <asm/arch-rockchip/hardware.h> +#include <asm/arch-rockchip/grf_px30.h> #include <asm/arch-rockchip/grf_rk322x.h> #include <asm/arch-rockchip/grf_rk3288.h> #include <asm/arch-rockchip/grf_rk3328.h> @@ -72,6 +73,47 @@ static int gmac_rockchip_ofdata_to_platdata(struct udevice *dev) return designware_eth_ofdata_to_platdata(dev); } +static int px30_gmac_fix_mac_speed(struct dw_eth_dev *priv) +{ + struct px30_grf *grf; + struct clk clk_speed; + int speed, ret; + enum { + PX30_GMAC_SPEED_SHIFT = 0x2, + PX30_GMAC_SPEED_MASK = BIT(2), + PX30_GMAC_SPEED_10M = 0, + PX30_GMAC_SPEED_100M = BIT(2), + }; + + ret = clk_get_by_name(priv->phydev->dev, "clk_mac_speed", + &clk_speed); + if (ret) + return ret; + + switch (priv->phydev->speed) { + case 10: + speed = PX30_GMAC_SPEED_10M; + ret = clk_set_rate(&clk_speed, 2500000); + if (ret) + return ret; + break; + case 100: + speed = PX30_GMAC_SPEED_100M; + ret = clk_set_rate(&clk_speed, 25000000); + if (ret) + return ret; + break; + default: + debug("Unknown phy speed: %d\n", priv->phydev->speed); + return -EINVAL; + } + + grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + rk_clrsetreg(&grf->mac_con1, PX30_GMAC_SPEED_MASK, speed); + + return 0; +} + static int rk3228_gmac_fix_mac_speed(struct dw_eth_dev *priv) { struct rk322x_grf *grf; @@ -257,6 +299,22 @@ static int rv1108_set_rmii_speed(struct dw_eth_dev *priv) return 0; } +static void px30_gmac_set_to_rmii(struct gmac_rockchip_platdata *pdata) +{ + struct px30_grf *grf; + enum { + PX30_GMAC_PHY_INTF_SEL_SHIFT = 4, + PX30_GMAC_PHY_INTF_SEL_MASK = GENMASK(4, 6), + PX30_GMAC_PHY_INTF_SEL_RMII = BIT(6), + }; + + grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + + rk_clrsetreg(&grf->mac_con1, + PX30_GMAC_PHY_INTF_SEL_MASK, + PX30_GMAC_PHY_INTF_SEL_RMII); +} + static void rk3228_gmac_set_to_rgmii(struct gmac_rockchip_platdata *pdata) { struct rk322x_grf *grf; @@ -445,6 +503,10 @@ static int gmac_rockchip_probe(struct udevice *dev) ulong rate; int ret; + ret = clk_set_defaults(dev, 0); + if (ret) + debug("%s clk_set_defaults failed %d\n", __func__, ret); + ret = clk_get_by_index(dev, 0, &clk); if (ret) return ret; @@ -569,6 +631,11 @@ const struct eth_ops gmac_rockchip_eth_ops = { .write_hwaddr = designware_eth_write_hwaddr, }; +const struct rk_gmac_ops px30_gmac_ops = { + .fix_mac_speed = px30_gmac_fix_mac_speed, + .set_to_rmii = px30_gmac_set_to_rmii, +}; + const struct rk_gmac_ops rk3228_gmac_ops = { .fix_mac_speed = rk3228_gmac_fix_mac_speed, .set_to_rgmii = rk3228_gmac_set_to_rgmii, @@ -600,6 +667,8 @@ const struct rk_gmac_ops rv1108_gmac_ops = { }; static const struct udevice_id rockchip_gmac_ids[] = { + { .compatible = "rockchip,px30-gmac", + .data = (ulong)&px30_gmac_ops }, { .compatible = "rockchip,rk3228-gmac", .data = (ulong)&rk3228_gmac_ops }, { .compatible = "rockchip,rk3288-gmac", |