diff options
Diffstat (limited to 'board/toradex/apalis_tk1/apalis_tk1.c')
| -rw-r--r-- | board/toradex/apalis_tk1/apalis_tk1.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/board/toradex/apalis_tk1/apalis_tk1.c b/board/toradex/apalis_tk1/apalis_tk1.c index 9952d13440..61b908a6da 100644 --- a/board/toradex/apalis_tk1/apalis_tk1.c +++ b/board/toradex/apalis_tk1/apalis_tk1.c @@ -96,6 +96,53 @@ int tegra_pcie_board_init(void) /* Reset I210 Gigabit Ethernet Controller */ gpio_request(LAN_RESET_N, "LAN_RESET_N"); gpio_direction_output(LAN_RESET_N, 0); + + /* + * Make sure we don't get any back feeding from LAN_WAKE_N resp. + * DEV_OFF_N + */ + gpio_request(GPIO_PO5, "LAN_WAKE_N"); + gpio_direction_output(GPIO_PO5, 0); + + gpio_request(GPIO_PO6, "LAN_DEV_OFF_N"); + gpio_direction_output(GPIO_PO6, 0); + + /* Make sure LDO9 and LDO10 are initially enabled @ 0V */ + err = as3722_ldo_enable(pmic, 9); + if (err < 0) { + error("failed to enable LDO9: %d\n", err); + return err; + } + err = as3722_ldo_enable(pmic, 10); + if (err < 0) { + error("failed to enable LDO10: %d\n", err); + return err; + } + err = as3722_ldo_set_voltage(pmic, 9, 0x80); + if (err < 0) { + error("failed to set LDO9 voltage: %d\n", err); + return err; + } + err = as3722_ldo_set_voltage(pmic, 10, 0x80); + if (err < 0) { + error("failed to set LDO10 voltage: %d\n", err); + return err; + } + + mdelay(100); + + /* Enable LDO9 and LDO10 for +V3.3_ETH on patched prototypes */ + err = as3722_ldo_set_voltage(pmic, 9, 0xff); + if (err < 0) { + error("failed to set LDO9 voltage: %d\n", err); + return err; + } + err = as3722_ldo_set_voltage(pmic, 10, 0xff); + if (err < 0) { + error("failed to set LDO10 voltage: %d\n", err); + return err; + } + mdelay(100); gpio_set_value(LAN_RESET_N, 1); |