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-rw-r--r--board/in-circuit/grasshopper/grasshopper.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/board/in-circuit/grasshopper/grasshopper.c b/board/in-circuit/grasshopper/grasshopper.c
index 475a759b7a..222fe43958 100644
--- a/board/in-circuit/grasshopper/grasshopper.c
+++ b/board/in-circuit/grasshopper/grasshopper.c
@@ -72,6 +72,13 @@ int board_early_init_f(void)
portmux_enable_usart0(PORTMUX_DRIVE_MIN);
portmux_enable_usart1(PORTMUX_DRIVE_MIN);
#if defined(CONFIG_MACB)
+ /* set PHY reset and pwrdown to low */
+ portmux_select_gpio(PORTMUX_PORT_B, (1 << 29) | (1 << 30),
+ PORTMUX_DIR_OUTPUT | PORTMUX_INIT_LOW);
+ udelay(100);
+ /* release PHYs reset */
+ gpio_set_value(GPIO_PIN_PB(29), 1);
+
portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_LOW);
#endif