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stm32/eth_phy: Add support for RTL8211 inititialization.

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This gets the status indicator working on the RTL8211.

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2025-11-03 23:54:03 +11:00
parent 0acac07a16
commit d1e993f872
3 changed files with 14 additions and 0 deletions
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12
ports/stm32/eth_phy.c
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@@ -47,6 +47,8 @@
#define PHY_RTL8211_PHYSR_SPEED_Pos (4)
#define PHY_RTL8211_PHYSR_SPEED_Msk (3 << PHY_RTL8211_PHYSR_SPEED_Pos)
#define PHY_RTL8211_PHYSR_DUPLEX_Msk (0x0008)
#define PHY_RTL8211_LCR_PAGE (0xd04)
#define PHY_RTL8211_LCR_ADDR (0x10)
void eth_phy_generic_init(uint32_t phy_addr) {
// Reset the PHY.
@@ -81,6 +83,16 @@ int16_t eth_phy_dp838xx_get_link_status(uint32_t phy_addr) {
return scsr;
}
void eth_phy_rtl8211_init(uint32_t phy_addr) {
// Perform generic PHY initialization.
eth_phy_generic_init(phy_addr);
// Configure LED0 output to show 10/100/1000 link speed, and activity.
eth_phy_write(phy_addr, PHY_RTL8211_PAGSR_ADDR, PHY_RTL8211_LCR_PAGE);
eth_phy_write(phy_addr, PHY_RTL8211_LCR_ADDR, 0x001b);
eth_phy_write(phy_addr, PHY_RTL8211_PAGSR_ADDR, PHY_RTL8211_DEFAULT_PAGE);
}
int16_t eth_phy_rtl8211_get_link_status(uint32_t phy_addr) {
// Get the link mode & speed
eth_phy_write(phy_addr, PHY_RTL8211_PAGSR_ADDR, PHY_RTL8211_PHYSR_PAGE);