[U-Boot] [PATCH 1/2] avr32:grasshopper: fix PHY initialisation

Andreas Bießmann andreas.devel at googlemail.com
Fri May 25 12:29:32 CEST 2012


Signed-off-by: Andreas Bießmann <andreas.devel at googlemail.com>
---
 board/in-circuit/grasshopper/grasshopper.c |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/board/in-circuit/grasshopper/grasshopper.c b/board/in-circuit/grasshopper/grasshopper.c
index 475a759..222fe43 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
 
-- 
1.7.10



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