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stm32/eth_phy: Add support for 1000Mbit PHY.

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Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2025-10-28 17:19:25 +11:00
parent 15acd6d8f7
commit 769f5cf1a9
2 changed files with 22 additions and 9 deletions
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19
ports/stm32/eth_phy.c
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@@ -31,8 +31,9 @@
#if defined(MICROPY_HW_ETH_MDC)
#define PHY_SCSR_LAN87XX (0x001f)
#define PHY_SCSR_LAN87XX_SPEED_Pos (2)
#define PHY_SCSR_LAN87XX_SPEED_Msk (7)
#define PHY_SCSR_LAN87XX_10M_Msk (0x0004)
#define PHY_SCSR_LAN87XX_100M_Msk (0x0008)
#define PHY_SCSR_LAN87XX_DUPLEX_Msk (0x0010)
#define PHY_SCSR_DP838XX (0x0010)
#define PHY_RECR_DP838XX (0x0015)
@@ -41,8 +42,18 @@
int16_t eth_phy_lan87xx_get_link_status(uint32_t phy_addr) {
// Get the link mode & speed
int16_t scsr = eth_phy_read(phy_addr, PHY_SCSR_LAN87XX);
return (scsr >> PHY_SCSR_LAN87XX_SPEED_Pos) & PHY_SCSR_LAN87XX_SPEED_Msk;
uint16_t scsr = eth_phy_read(phy_addr, PHY_SCSR_LAN87XX);
int16_t status = 0;
if (scsr & PHY_SCSR_LAN87XX_10M_Msk) {
status |= PHY_SPEED_10HALF;
}
if (scsr & PHY_SCSR_LAN87XX_100M_Msk) {
status |= PHY_SPEED_100HALF;
}
if (scsr & PHY_SCSR_LAN87XX_DUPLEX_Msk) {
status |= PHY_DUPLEX;
}
return status;
}
int16_t eth_phy_dp838xx_get_link_status(uint32_t phy_addr) {

12
ports/stm32/eth_phy.h
View File

@@ -50,11 +50,13 @@
#define PHY_ANAR_SPEED_100FULL (0x0100)
#define PHY_ANAR_IEEE802_3 (0x0001)
#define PHY_SPEED_10HALF (1)
#define PHY_SPEED_10FULL (5)
#define PHY_SPEED_100HALF (2)
#define PHY_SPEED_100FULL (6)
#define PHY_DUPLEX (4)
#define PHY_SPEED_10HALF (0x01)
#define PHY_SPEED_100HALF (0x02)
#define PHY_SPEED_1000HALF (0x04)
#define PHY_DUPLEX (0x08)
#define PHY_SPEED_10FULL (PHY_DUPLEX | PHY_SPEED_10HALF)
#define PHY_SPEED_100FULL (PHY_DUPLEX | PHY_SPEED_100HALF)
#define PHY_SPEED_1000FULL (PHY_DUPLEX | PHY_SPEED_1000HALF)
uint32_t eth_phy_read(uint32_t phy_addr, uint32_t reg);
void eth_phy_write(uint32_t phy_addr, uint32_t reg, uint32_t val);