Disable pull-ups on ethrenet lines
Signed-off-by: Vladimir Barinov vladimir.barinov+renesas@cogentembedded.com --- board/renesas/silk/silk.c | 8 ++++++++ 1 file changed, 8 insertions(+)
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);