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net: dwc_eth_qos: Add board_interface_eth_init() for i.MX93

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Add a common board_interface_eth_init() called by the DWC MAC driver to
setup the MAC <-> PHY interface according to the PHY mode obtained from
DT.
Remove the board-side configuration in the i.MX93 EVK files.

Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
This commit is contained in:
Sébastien Szymanski 2023-10-17 11:44:59 +02:00 • committed by Fabio Estevam
parent 9e1f79bd69
commit d5eae216d8
2 changed files with 53 additions and 16 deletions
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53
arch/arm/mach-imx/imx9/clock.c
View file

@ -18,6 +18,7 @@
#include <linux/bitops.h>
#include <linux/delay.h>
#include <log.h>
#include <phy.h>
DECLARE_GLOBAL_DATA_PTR;
@ -832,6 +833,58 @@ u32 imx_get_fecclk(void)
return ccm_clk_root_get_rate(WAKEUP_AXI_CLK_ROOT);
}
#if defined(CONFIG_IMX93) && defined(CONFIG_DWC_ETH_QOS)
static int imx93_eqos_interface_init(struct udevice *dev, phy_interface_t interface_type)
{
struct blk_ctrl_wakeupmix_regs *bctrl =
(struct blk_ctrl_wakeupmix_regs *)BLK_CTRL_WAKEUPMIX_BASE_ADDR;
clrbits_le32(&bctrl->eqos_gpr,
BCTRL_GPR_ENET_QOS_INTF_MODE_MASK |
BCTRL_GPR_ENET_QOS_CLK_GEN_EN);
switch (interface_type) {
case PHY_INTERFACE_MODE_MII:
setbits_le32(&bctrl->eqos_gpr,
BCTRL_GPR_ENET_QOS_INTF_SEL_MII |
BCTRL_GPR_ENET_QOS_CLK_GEN_EN);
break;
case PHY_INTERFACE_MODE_RMII:
setbits_le32(&bctrl->eqos_gpr,
BCTRL_GPR_ENET_QOS_INTF_SEL_RMII |
BCTRL_GPR_ENET_QOS_CLK_GEN_EN);
break;
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_RGMII_ID:
case PHY_INTERFACE_MODE_RGMII_RXID:
case PHY_INTERFACE_MODE_RGMII_TXID:
setbits_le32(&bctrl->eqos_gpr,
BCTRL_GPR_ENET_QOS_INTF_SEL_RGMII |
BCTRL_GPR_ENET_QOS_CLK_GEN_EN);
break;
default:
return -EINVAL;
}
return 0;
}
#else
static int imx93_eqos_interface_init(struct udevice *dev, phy_interface_t interface_type)
{
return 0;
}
#endif
int board_interface_eth_init(struct udevice *dev, phy_interface_t interface_type)
{
if (IS_ENABLED(CONFIG_IMX93) &&
IS_ENABLED(CONFIG_DWC_ETH_QOS) &&
device_is_compatible(dev, "nxp,imx93-dwmac-eqos"))
return imx93_eqos_interface_init(dev, interface_type);
return -EINVAL;
}
int set_clk_enet(enum enet_freq type)
{
u32 div;

16
board/freescale/imx93_evk/imx93_evk.c
View file

@ -49,27 +49,11 @@ int board_phy_config(struct phy_device *phydev)
return 0;
}
static int setup_eqos(void)
{
struct blk_ctrl_wakeupmix_regs *bctrl =
(struct blk_ctrl_wakeupmix_regs *)BLK_CTRL_WAKEUPMIX_BASE_ADDR;
/* set INTF as RGMII, enable RGMII TXC clock */
clrsetbits_le32(&bctrl->eqos_gpr,
BCTRL_GPR_ENET_QOS_INTF_MODE_MASK,
BCTRL_GPR_ENET_QOS_INTF_SEL_RGMII | BCTRL_GPR_ENET_QOS_CLK_GEN_EN);
return set_clk_eqos(ENET_125MHZ);
}
int board_init(void)
{
if (IS_ENABLED(CONFIG_FEC_MXC))
setup_fec();
if (IS_ENABLED(CONFIG_DWC_ETH_QOS))
setup_eqos();
return 0;
}