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ARM: meson-gx: Reset GXL/GXM to external PHY when not using internal PHY

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When using External PHY, reset the mux to use the external PHY in case U-Boot
was chainloaded from a misconfigured bootloader.

Fixes: 33e3378091 ("ARM: meson: rework soc arch file to prepare for new SoC")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
This commit is contained in:
Neil Armstrong 2019-05-28 13:13:19 +02:00
parent 32f2880641
commit 407544c2ef
1 changed files with 12 additions and 5 deletions
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17
arch/arm/mach-meson/board-gx.c
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@ -117,6 +117,11 @@ void meson_eth_init(phy_interface_t mode, unsigned int flags)
GX_ETH_REG_0_TX_RATIO(4) |
GX_ETH_REG_0_PHY_CLK_EN |
GX_ETH_REG_0_CLK_EN);
/* Reset to external PHY */
if(!IS_ENABLED(CONFIG_MESON_GXBB))
writel(0x2009087f, GX_ETH_REG_3);
break;
case PHY_INTERFACE_MODE_RMII:
@ -124,11 +129,13 @@ void meson_eth_init(phy_interface_t mode, unsigned int flags)
out_le32(GX_ETH_REG_0, GX_ETH_REG_0_INVERT_RMII_CLK |
GX_ETH_REG_0_CLK_EN);
/* Use GXL RMII Internal PHY */
if (IS_ENABLED(CONFIG_MESON_GXL) &&
(flags & MESON_USE_INTERNAL_RMII_PHY)) {
writel(0x10110181, GX_ETH_REG_2);
writel(0xe40908ff, GX_ETH_REG_3);
/* Use GXL RMII Internal PHY (also on GXM) */
if (!IS_ENABLED(CONFIG_MESON_GXBB)) {
if ((flags & MESON_USE_INTERNAL_RMII_PHY)) {
writel(0x10110181, GX_ETH_REG_2);
writel(0xe40908ff, GX_ETH_REG_3);
} else
writel(0x2009087f, GX_ETH_REG_3);
}
break;