On Fri, Oct 18, 2019 at 06:07:31PM +0200, Michael Tretter wrote: > From: Rajan Vaja <rajan.vaja@xxxxxxxxxx> > > Add firmware DT node in ZynqMP device tree. This node > uses bindings as per new firmware interface driver. > > Signed-off-by: Rajan Vaja <rajanv@xxxxxxxxxx> > Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx> > Signed-off-by: Michael Tretter <m.tretter@xxxxxxxxxxxxxx> With this patch applied in the mainline kernel, the qemu xlnx-zcu102 emulation crashes (see below). Any idea what it might take to get qemu back to working ? Thanks, Guenter --- [ 30.719268] ------------[ cut here ]------------ [ 30.719403] kernel BUG at arch/arm64/kernel/traps.c:406! [ 30.719971] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP [ 30.720358] Modules linked in: [ 30.720741] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 5.4.0-13331-g9455d25f4e3b #1 [ 30.720852] Hardware name: ZynqMP ZCU102 Rev1.0 (DT) [ 30.721157] pstate: 00000005 (nzcv daif -PAN -UAO) [ 30.721261] pc : do_undefinstr+0x2f4/0x318 [ 30.721336] lr : do_undefinstr+0x1fc/0x318 [ 30.721410] sp : ffff80001003b930 [ 30.721486] x29: ffff80001003b930 x28: ffff00007d178040 [ 30.721597] x27: 0000000000000000 x26: ffff8000117d0514 [ 30.721683] x25: ffff8000118c90d0 x24: 0000000000000000 [ 30.721769] x23: 0000000040000005 x22: 00000000d4000003 [ 30.721854] x21: ffff800011e1c850 x20: ffff80001003b990 [ 30.721940] x19: ffff800011e0fa08 x18: 0000000000000001 [ 30.722025] x17: ffff800010c0f1d8 x16: ffff800010c11fb8 [ 30.722111] x15: ffffffffffffffff x14: ffffffffffffffff [ 30.722196] x13: 0000000000000018 x12: 0101010101010101 [ 30.722281] x11: 0000000000000000 x10: 00000000628e21fa [ 30.722384] x9 : ffff00007d178858 x8 : ffff00007d178880 [ 30.722471] x7 : ffff80001003b8b0 x6 : 0000000000000001 [ 30.722560] x5 : 0000000000000001 x4 : 0000000000000001 [ 30.722646] x3 : 0000000000000000 x2 : 00000000000174b1 [ 30.722730] x1 : ffff00007d178040 x0 : 0000000040000005 [ 30.722913] Call trace: [ 30.722993] do_undefinstr+0x2f4/0x318 [ 30.723070] el1_sync_handler+0xb0/0x108 [ 30.723138] el1_sync+0x7c/0x100 [ 30.723201] __arm_smccc_smc+0x0/0x2c [ 30.723272] zynqmp_pm_get_api_version.part.1+0x40/0x68 [ 30.723352] zynqmp_firmware_probe+0xbc/0x298
