diff options
| author | David Wu <david.wu@rock-chips.com> | 2019-11-26 09:39:49 +0800 |
|---|---|---|
| committer | Kever Yang <kever.yang@rock-chips.com> | 2019-12-06 00:06:23 +0800 |
| commit | 0ed8f1e5f4c4acf0ca9ec158c503cd1cc5e9dfec (patch) | |
| tree | c7f355a846cb0853ce4d5286a3328a8eaa061a63 | |
| parent | 502573686ff6f4a5d2838a414638a1de85e2a34b (diff) | |
| download | u-boot-0ed8f1e5f4c4acf0ca9ec158c503cd1cc5e9dfec.tar.gz | |
net: gmac_rockchip: Add support for rk3308
Add the glue code to allow the rk3308 variant of the Rockchip gmac
to provide network functionality.
Signed-off-by: David Wu <david.wu@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
| -rw-r--r-- | drivers/net/gmac_rockchip.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/net/gmac_rockchip.c b/drivers/net/gmac_rockchip.c index d2c52b4c46..e152faf083 100644 --- a/drivers/net/gmac_rockchip.c +++ b/drivers/net/gmac_rockchip.c @@ -17,6 +17,7 @@ #include <asm/arch-rockchip/grf_px30.h> #include <asm/arch-rockchip/grf_rk322x.h> #include <asm/arch-rockchip/grf_rk3288.h> +#include <asm/arch-rk3308/grf_rk3308.h> #include <asm/arch-rockchip/grf_rk3328.h> #include <asm/arch-rockchip/grf_rk3368.h> #include <asm/arch-rockchip/grf_rk3399.h> @@ -173,6 +174,47 @@ static int rk3288_gmac_fix_mac_speed(struct dw_eth_dev *priv) return 0; } +static int rk3308_gmac_fix_mac_speed(struct dw_eth_dev *priv) +{ + struct rk3308_grf *grf; + struct clk clk_speed; + int speed, ret; + enum { + RK3308_GMAC_SPEED_SHIFT = 0x0, + RK3308_GMAC_SPEED_MASK = BIT(0), + RK3308_GMAC_SPEED_10M = 0, + RK3308_GMAC_SPEED_100M = BIT(0), + }; + + ret = clk_get_by_name(priv->phydev->dev, "clk_mac_speed", + &clk_speed); + if (ret) + return ret; + + switch (priv->phydev->speed) { + case 10: + speed = RK3308_GMAC_SPEED_10M; + ret = clk_set_rate(&clk_speed, 2500000); + if (ret) + return ret; + break; + case 100: + speed = RK3308_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_con0, RK3308_GMAC_SPEED_MASK, speed); + + return 0; +} + static int rk3328_gmac_fix_mac_speed(struct dw_eth_dev *priv) { struct rk3328_grf_regs *grf; @@ -377,6 +419,22 @@ static void rk3288_gmac_set_to_rgmii(struct gmac_rockchip_platdata *pdata) pdata->tx_delay << RK3288_CLK_TX_DL_CFG_GMAC_SHIFT); } +static void rk3308_gmac_set_to_rmii(struct gmac_rockchip_platdata *pdata) +{ + struct rk3308_grf *grf; + enum { + RK3308_GMAC_PHY_INTF_SEL_SHIFT = 2, + RK3308_GMAC_PHY_INTF_SEL_MASK = GENMASK(4, 2), + RK3308_GMAC_PHY_INTF_SEL_RMII = BIT(4), + }; + + grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + + rk_clrsetreg(&grf->mac_con0, + RK3308_GMAC_PHY_INTF_SEL_MASK, + RK3308_GMAC_PHY_INTF_SEL_RMII); +} + static void rk3328_gmac_set_to_rgmii(struct gmac_rockchip_platdata *pdata) { struct rk3328_grf_regs *grf; @@ -646,6 +704,11 @@ const struct rk_gmac_ops rk3288_gmac_ops = { .set_to_rgmii = rk3288_gmac_set_to_rgmii, }; +const struct rk_gmac_ops rk3308_gmac_ops = { + .fix_mac_speed = rk3308_gmac_fix_mac_speed, + .set_to_rmii = rk3308_gmac_set_to_rmii, +}; + const struct rk_gmac_ops rk3328_gmac_ops = { .fix_mac_speed = rk3328_gmac_fix_mac_speed, .set_to_rgmii = rk3328_gmac_set_to_rgmii, @@ -673,6 +736,8 @@ static const struct udevice_id rockchip_gmac_ids[] = { .data = (ulong)&rk3228_gmac_ops }, { .compatible = "rockchip,rk3288-gmac", .data = (ulong)&rk3288_gmac_ops }, + { .compatible = "rockchip,rk3308-mac", + .data = (ulong)&rk3308_gmac_ops }, { .compatible = "rockchip,rk3328-gmac", .data = (ulong)&rk3328_gmac_ops }, { .compatible = "rockchip,rk3368-gmac", |