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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>
This commit is contained in:
Vladimir Barinov 2015-02-24 18:54:31 +02:00 committed by Nobuhiro Iwamatsu
parent 313ff58ec9
commit add4ec4d60
1 changed files with 8 additions and 0 deletions
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8
board/renesas/silk/silk.c
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@ -69,6 +69,11 @@ int board_early_init_f(void)
return 0; 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) int board_init(void)
{ {
/* adress of boot parameters */ /* adress of boot parameters */
@ -93,7 +98,10 @@ int board_init(void)
gpio_request(GPIO_FN_IRQ8, NULL); gpio_request(GPIO_FN_IRQ8, NULL);
/* PHY reset */ /* PHY reset */
mstp_clrbits_le32(PUPR3, PUPR3, PUPR3_ETH);
gpio_request(GPIO_GP_1_24, NULL); gpio_request(GPIO_GP_1_24, NULL);
mstp_clrbits_le32(PUPR1, PUPR1, PUPR1_DREQ0_N);
gpio_direction_output(GPIO_GP_1_24, 0); gpio_direction_output(GPIO_GP_1_24, 0);
mdelay(20); mdelay(20);
gpio_set_value(GPIO_GP_1_24, 1); gpio_set_value(GPIO_GP_1_24, 1);