From: Dave Gerlach d-gerlach@ti.com
Force the clk-k3 driver to probe early during R5 SPL boot to ensure the default system clock configuration is completed. Many other drivers assume a default state of the clock tree and it is currently possible for them to probe before clk-k3 depending on the exact system configuration.
Signed-off-by: Dave Gerlach d-gerlach@ti.com Reported-by: Keerthy j-keerthy@ti.com Tested-by: Keerthy j-keerthy@ti.com Signed-off-by: Tero Kristo kristo@kernel.org --- arch/arm/mach-k3/j721e_init.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/arch/arm/mach-k3/j721e_init.c b/arch/arm/mach-k3/j721e_init.c index 76a04a9035..833568d4b8 100644 --- a/arch/arm/mach-k3/j721e_init.c +++ b/arch/arm/mach-k3/j721e_init.c @@ -180,6 +180,18 @@ void board_init_f(ulong dummy) k3_sysfw_loader(is_rom_loaded_sysfw(&bootdata), k3_mmc_stop_clock, k3_mmc_restart_clock);
+#ifdef CONFIG_SPL_CLK_K3 + /* + * Force probe of clk_k3 driver here to ensure basic default clock + * configuration is always done. + */ + ret = uclass_get_device_by_driver(UCLASS_CLK, + DM_DRIVER_GET(ti_clk), + &dev); + if (ret) + panic("Failed to initialize clk-k3!\n"); +#endif + /* Prepare console output */ preloader_console_init();