The RK3568 has a limited TPL size, so, we expect RK3568 to always use OF_PLATDATA for its TPL stage.
Add support for the PMUGRF register region in syscon, which is necessary for RK3568's DRAM controller initialization. Signed-off-by: Pavel Golikov <[email protected]> --- arch/arm/mach-rockchip/rk3568/syscon_rk3568.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm/mach-rockchip/rk3568/syscon_rk3568.c b/arch/arm/mach-rockchip/rk3568/syscon_rk3568.c index 255259eabfd..b9d59a4721e 100644 --- a/arch/arm/mach-rockchip/rk3568/syscon_rk3568.c +++ b/arch/arm/mach-rockchip/rk3568/syscon_rk3568.c @@ -21,3 +21,20 @@ U_BOOT_DRIVER(syscon_rk3568) = { .bind = dm_scan_fdt_dev, #endif }; + +#if CONFIG_IS_ENABLED(OF_PLATDATA) +static int rk3568_syscon_bind_of_plat(struct udevice *dev) +{ + dev->driver_data = dev->driver->of_match->data; + debug("syscon: %s %d\n", dev->name, (uint)dev->driver_data); + + return 0; +} + +U_BOOT_DRIVER(rockchip_rk3568_pmugrf) = { + .name = "rockchip_rk3568_pmugrf", + .id = UCLASS_SYSCON, + .of_match = rk3568_syscon_ids + 1, + .bind = rk3568_syscon_bind_of_plat, +}; +#endif -- 2.25.1
