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net: sun8i-emac: set mux and clock by driver data

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Use driver data->variant information to select device specific
pin mux and phy clock settings.

Suggested by Jagan Teki

Reviewed-by: Jagan Teki <jagan@openedev.com>
Tested-by: Jagan Teki <jagan@openedev.com>
Signed-off-by: Lothar Felten <lothar.felten@gmail.com>
This commit is contained in:
Lothar Felten 2018-07-13 10:45:27 +02:00 • committed by Jagan Teki
parent 2f15743633
commit c6a21d6615
1 changed files with 19 additions and 14 deletions

33
drivers/net/sun8i_emac.c
View file

@ -65,11 +65,9 @@
#define AHB_GATE_OFFSET_EPHY 0
#if defined(CONFIG_MACH_SUNXI_H3_H5)
#define SUN8I_GPD8_GMAC 2
#else
#define SUN8I_GPD8_GMAC 4
#endif
/* IO mux settings */
#define SUN8I_IOMUX_H3 2
#define SUN8I_IOMUX 4
/* H3/A64 EMAC Register's offset */
#define EMAC_CTL0 0x00
@ -453,6 +451,7 @@ static int _sun8i_emac_eth_init(struct emac_eth_dev *priv, u8 *enetaddr)
static int parse_phy_pins(struct udevice *dev)
{
struct emac_eth_dev *priv = dev_get_priv(dev);
int offset;
const char *pin_name;
int drive, pull = SUN4I_PINCTRL_NO_PULL, i;
@ -494,7 +493,11 @@ static int parse_phy_pins(struct udevice *dev)
if (pin < 0)
continue;
sunxi_gpio_set_cfgpin(pin, SUN8I_GPD8_GMAC);
if (priv->variant == H3_EMAC)
sunxi_gpio_set_cfgpin(pin, SUN8I_IOMUX_H3);
else
sunxi_gpio_set_cfgpin(pin, SUN8I_IOMUX);
if (drive != ~0)
sunxi_gpio_set_drv(pin, drive);
if (pull != ~0)
@ -618,16 +621,18 @@ static void sun8i_emac_board_setup(struct emac_eth_dev *priv)
{
struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
#ifdef CONFIG_MACH_SUNXI_H3_H5
/* Only H3/H5 have clock controls for internal EPHY */
if (priv->use_internal_phy) {
/* Set clock gating for ephy */
setbits_le32(&ccm->bus_gate4, BIT(AHB_GATE_OFFSET_EPHY));
if (priv->variant == H3_EMAC) {
/* Only H3/H5 have clock controls for internal EPHY */
if (priv->use_internal_phy) {
/* Set clock gating for ephy */
setbits_le32(&ccm->bus_gate4,
BIT(AHB_GATE_OFFSET_EPHY));
/* Deassert EPHY */
setbits_le32(&ccm->ahb_reset2_cfg, BIT(AHB_RESET_OFFSET_EPHY));
/* Deassert EPHY */
setbits_le32(&ccm->ahb_reset2_cfg,
BIT(AHB_RESET_OFFSET_EPHY));
}
}
#endif
/* Set clock gating for emac */
setbits_le32(&ccm->ahb_gate0, BIT(AHB_GATE_OFFSET_GMAC));