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net: gmac_rockchip: Add support for rk3308

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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>
This commit is contained in:
David Wu 2019-11-26 09:39:49 +08:00 committed by Kever Yang
parent 502573686f
commit 0ed8f1e5f4
1 changed files with 65 additions and 0 deletions
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65
drivers/net/gmac_rockchip.c
View file

@ -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",