X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Fboard%2Fnvidia%2Fwhistler%2Fwhistler.c;fp=qemu%2Froms%2Fu-boot%2Fboard%2Fnvidia%2Fwhistler%2Fwhistler.c;h=3e9d3d9f10ae8edcca42708abc975ba8a978f2c5;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/roms/u-boot/board/nvidia/whistler/whistler.c b/qemu/roms/u-boot/board/nvidia/whistler/whistler.c new file mode 100644 index 000000000..3e9d3d9f1 --- /dev/null +++ b/qemu/roms/u-boot/board/nvidia/whistler/whistler.c @@ -0,0 +1,73 @@ +/* + * (C) Copyright 2010-2012 + * NVIDIA Corporation + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef CONFIG_TEGRA_MMC +/* + * Routine: pin_mux_mmc + * Description: setup the pin muxes/tristate values for the SDMMC(s) + */ +void pin_mux_mmc(void) +{ + uchar val; + int ret; + + /* Turn on MAX8907B LDO12 to 2.8V for J40 power */ + ret = i2c_set_bus_num(0); + if (ret) + printf("i2c_set_bus_num failed: %d\n", ret); + val = 0x29; + ret = i2c_write(0x3c, 0x46, 1, &val, 1); + if (ret) + printf("i2c_write 0 0x3c 0x46 failed: %d\n", ret); + val = 0x00; + ret = i2c_write(0x3c, 0x45, 1, &val, 1); + if (ret) + printf("i2c_write 0 0x3c 0x45 failed: %d\n", ret); + val = 0x1f; + ret = i2c_write(0x3c, 0x44, 1, &val, 1); + if (ret) + printf("i2c_write 0 0x3c 0x44 failed: %d\n", ret); + + funcmux_select(PERIPH_ID_SDMMC3, FUNCMUX_SDMMC3_SDB_SLXA_8BIT); + funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATC_ATD_8BIT); +} +#endif + +/* this is a weak define that we are overriding */ +void pin_mux_usb(void) +{ + uchar val; + int ret; + + /* + * This is a hack. This should be represented in DT using the + * vbus-gpio property. However, U-Boot's DT support doesn't + * support any GPIO controller other than the Tegra's yet. + */ + + /* Turn on TAC6416's GPIO 0+1 for USB1/3's VBUS */ + ret = i2c_set_bus_num(0); + if (ret) + printf("i2c_set_bus_num failed: %d\n", ret); + val = 0x03; + ret = i2c_write(0x20, 2, 1, &val, 1); + if (ret) + printf("i2c_write 0 0x20 2 failed: %d\n", ret); + val = 0xfc; + ret = i2c_write(0x20, 6, 1, &val, 1); + if (ret) + printf("i2c_write 0 0x20 6 failed: %d\n", ret); +}