diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2023-03-07 10:24:12 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2023-03-07 10:24:12 +0000 |
| commit | 2e1d47edf658f099f5bbb51624d67350b5549c65 (patch) | |
| tree | 219dbf0d0e60265e812fb6360e8758f03123a8a1 | |
| parent | ea9ac9be462b77e7f06448a9c1520fabc3af5d7e (diff) | |
Add some minimal initialization code for rk356x such that the kernel
doesn't hang.
ok millert@, dlg@
| -rw-r--r-- | sys/dev/fdt/dwpcie.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/sys/dev/fdt/dwpcie.c b/sys/dev/fdt/dwpcie.c index c8b3274f18c..31813d60b67 100644 --- a/sys/dev/fdt/dwpcie.c +++ b/sys/dev/fdt/dwpcie.c @@ -1,4 +1,4 @@ -/* $OpenBSD: dwpcie.c,v 1.39 2022/11/27 22:04:59 kettenis Exp $ */ +/* $OpenBSD: dwpcie.c,v 1.40 2023/03/07 10:24:11 kettenis Exp $ */ /* * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org> * @@ -37,6 +37,7 @@ #include <dev/ofw/ofw_misc.h> #include <dev/ofw/ofw_pinctrl.h> #include <dev/ofw/ofw_power.h> +#include <dev/ofw/ofw_regulator.h> #include <dev/ofw/fdt.h> /* Registers */ @@ -1227,6 +1228,26 @@ dwpcie_fu740_init(struct dwpcie_softc *sc) int dwpcie_rk3568_init(struct dwpcie_softc *sc) { + uint32_t *reset_gpio; + ssize_t reset_gpiolen; + + reset_assert_all(sc->sc_node); + regulator_enable(OF_getpropint(sc->sc_node, "vpcie3v3-supply", 0)); + phy_enable(sc->sc_node, "pcie-phy"); + reset_deassert_all(sc->sc_node); + + clock_enable_all(sc->sc_node); + + reset_gpiolen = OF_getproplen(sc->sc_node, "reset-gpios"); + if (reset_gpiolen > 0) { + reset_gpio = malloc(reset_gpiolen, M_TEMP, M_WAITOK); + OF_getpropintarray(sc->sc_node, "reset-gpios", reset_gpio, + reset_gpiolen); + gpio_controller_config_pin(reset_gpio, GPIO_CONFIG_OUTPUT); + gpio_controller_set_pin(reset_gpio, 1); + free(reset_gpio, M_TEMP, reset_gpiolen); + } + sc->sc_num_viewport = 8; return 0; |