Re: [PATCH 1/5] arm64: zynqmp: Add firmware DT node

[Guenter Roeck]

On Fri, Oct 18, 2019 at 06:07:31PM +0200, Michael Tretter wrote:
> From: Rajan Vaja <address@hidden>
> 
> Add firmware DT node in ZynqMP device tree. This node
> uses bindings as per new firmware interface driver.
> 
> Signed-off-by: Rajan Vaja <address@hidden>
> Signed-off-by: Michal Simek <address@hidden>
> Signed-off-by: Michael Tretter <address@hidden>

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