arm: rmobile: silk: Disable ethernet pins pull-up
Disable pull-ups on ethrenet lines
Signed-off-by: Vladimir Barinov <vladimir.barinov+renesas@cogentembedded.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/board/renesas/silk/silk.c b/board/renesas/silk/silk.c
index e124010..c97a2a0 100644
--- a/board/renesas/silk/silk.c
+++ b/board/renesas/silk/silk.c
@@ -69,6 +69,11 @@
return 0;
}
+/* LSI pin pull-up control */
+#define PUPR3 0xe606010C
+#define PUPR3_ETH 0x006FF800
+#define PUPR1 0xe6060104
+#define PUPR1_DREQ0_N (1 << 20)
int board_init(void)
{
/* adress of boot parameters */
@@ -93,7 +98,10 @@
gpio_request(GPIO_FN_IRQ8, NULL);
/* PHY reset */
+ mstp_clrbits_le32(PUPR3, PUPR3, PUPR3_ETH);
gpio_request(GPIO_GP_1_24, NULL);
+ mstp_clrbits_le32(PUPR1, PUPR1, PUPR1_DREQ0_N);
+
gpio_direction_output(GPIO_GP_1_24, 0);
mdelay(20);
gpio_set_value(GPIO_GP_1_24, 1);