From ef72ba0b87ece8698c7126101f2deeb78c73e357 Mon Sep 17 00:00:00 2001 From: Simon Goldschmidt Date: Mon, 15 Jul 2019 21:47:55 +0200 Subject: sysreset: add support for socfpga sysreset This moves sysreset support for socfgpa from ad-hoc code in mach-socfpga to a UCLASS_SYSRESET based dm driver. A side effect is that gen5 and a10 can now select between cold and warm reset. Signed-off-by: Simon Goldschmidt --- drivers/reset/reset-socfpga.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'drivers') diff --git a/drivers/reset/reset-socfpga.c b/drivers/reset/reset-socfpga.c index ee4cbcb02ff..822a3fe2659 100644 --- a/drivers/reset/reset-socfpga.c +++ b/drivers/reset/reset-socfpga.c @@ -14,6 +14,7 @@ #include #include +#include #include #include #include @@ -130,6 +131,23 @@ static int socfpga_reset_remove(struct udevice *dev) return 0; } +static int socfpga_reset_bind(struct udevice *dev) +{ + int ret; + struct udevice *sys_child; + + /* + * The sysreset driver does not have a device node, so bind it here. + * Bind it to the node, too, so that it can get its base address. + */ + ret = device_bind_driver_to_node(dev, "socfpga_sysreset", "sysreset", + dev->node, &sys_child); + if (ret) + debug("Warning: No sysreset driver: ret=%d\n", ret); + + return 0; +} + static const struct udevice_id socfpga_reset_match[] = { { .compatible = "altr,rst-mgr" }, { /* sentinel */ }, @@ -139,6 +157,7 @@ U_BOOT_DRIVER(socfpga_reset) = { .name = "socfpga-reset", .id = UCLASS_RESET, .of_match = socfpga_reset_match, + .bind = socfpga_reset_bind, .probe = socfpga_reset_probe, .priv_auto_alloc_size = sizeof(struct socfpga_reset_data), .ops = &socfpga_reset_ops, -- cgit v1.3.1