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authorVladimir Barinov <vladimir.barinov@cogentembedded.com>2015-02-24 18:54:31 +0200
committerNobuhiro Iwamatsu <iwamatsu@nigauri.org>2015-02-25 14:19:08 +0900
commitadd4ec4d6034f61d9c5a2b79c3d822b828bb5ea1 (patch)
treeae5baa1273577c3e518560e857d42f708dc28a9b /board
parent313ff58ec956b39d1bfd65275fc1d81763086a61 (diff)
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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>
Diffstat (limited to 'board')
-rw-r--r--board/renesas/silk/silk.c8
1 files changed, 8 insertions, 0 deletions
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 @@ int board_early_init_f(void)
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 @@ int board_init(void)
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);