diff options
| author | Thierry Reding <treding@nvidia.com> | 2014-12-09 22:25:21 -0700 |
|---|---|---|
| committer | Tom Warren <twarren@nvidia.com> | 2014-12-18 13:19:21 -0700 |
| commit | 6e2fca94ff4f754024e46e7d986221a75be611f3 (patch) | |
| tree | 795fb823649f94034ce2f32c2b7939a0d719512b /board/nvidia/jetson-tk1 | |
| parent | 9c46e6cb454cc2ab81ca59f94944e7208d0cfb95 (diff) | |
| download | u-boot-imx-6e2fca94ff4f754024e46e7d986221a75be611f3.zip u-boot-imx-6e2fca94ff4f754024e46e7d986221a75be611f3.tar.gz u-boot-imx-6e2fca94ff4f754024e46e7d986221a75be611f3.tar.bz2 | |
ARM: tegra: Enable PCIe on Jetson TK1
The Jetson TK1 has an ethernet NIC connected to the PCIe bus and routes
the second root port to a miniPCIe slot. Enable the PCIe controller and
the network driver to allow the device to boot over the network.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'board/nvidia/jetson-tk1')
| -rw-r--r-- | board/nvidia/jetson-tk1/jetson-tk1.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/board/nvidia/jetson-tk1/jetson-tk1.c b/board/nvidia/jetson-tk1/jetson-tk1.c index 5d37718..daa74a4 100644 --- a/board/nvidia/jetson-tk1/jetson-tk1.c +++ b/board/nvidia/jetson-tk1/jetson-tk1.c @@ -6,10 +6,16 @@ */ #include <common.h> +#include <netdev.h> +#include <power/as3722.h> + #include <asm/arch/gpio.h> #include <asm/arch/pinmux.h> + #include "pinmux-config-jetson-tk1.h" +DECLARE_GLOBAL_DATA_PTR; + /* * Routine: pinmux_init * Description: Do individual peripheral pinmux configs @@ -27,3 +33,49 @@ void pinmux_init(void) pinmux_config_drvgrp_table(jetson_tk1_drvgrps, ARRAY_SIZE(jetson_tk1_drvgrps)); } + +#ifdef CONFIG_PCI_TEGRA +int tegra_pcie_board_init(void) +{ + struct udevice *pmic; + int err; + + err = as3722_init(&pmic); + if (err) { + error("failed to initialize AS3722 PMIC: %d\n", err); + return err; + } + + err = as3722_sd_enable(pmic, 4); + if (err < 0) { + error("failed to enable SD4: %d\n", err); + return err; + } + + err = as3722_sd_set_voltage(pmic, 4, 0x24); + if (err < 0) { + error("failed to set SD4 voltage: %d\n", err); + return err; + } + + err = as3722_gpio_configure(pmic, 1, AS3722_GPIO_OUTPUT_VDDH | + AS3722_GPIO_INVERT); + if (err < 0) { + error("failed to configure GPIO#1 as output: %d\n", err); + return err; + } + + err = as3722_gpio_direction_output(pmic, 2, 1); + if (err < 0) { + error("failed to set GPIO#2 high: %d\n", err); + return err; + } + + return 0; +} + +int board_eth_init(bd_t *bis) +{ + return pci_eth_init(bis); +} +#endif /* PCI */ |