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Message-ID: <4f30d822-9db7-4a54-c082-fa9f54982b42@kontron.de>
Date: Tue, 17 Aug 2021 17:39:30 +0200
From: Frieder Schrempf <frieder.schrempf@...tron.de>
To: Horia Geantă <horia.geanta@....com>,
Rob Herring <robh+dt@...nel.org>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Matt Mackall <mpm@...enic.com>,
Herbert Xu <herbert@...dor.apana.org.au>
Cc: devicetree@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
Iuliana Prodan <iuliana.prodan@....com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Marco Felsch <m.felsch@...gutronix.de>,
linux-kernel@...r.kernel.org,
Franck Lenormand <franck.lenormand@....com>,
NXP Linux Team <linux-imx@....com>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Martin Kaiser <martin@...ser.cx>,
Silvano Di Ninno <silvano.dininno@....com>,
Fabio Estevam <festevam@...il.com>,
linux-arm-kernel@...ts.infradead.org, linux-crypto@...r.kernel.org
Subject: Re: [PATCH v4 4/5] ARM: dts: imx6ull: add rng
Hi,
On 15.07.20 17:26, Horia Geantă wrote:
> Add node for the RNGB block.
>
> Signed-off-by: Horia Geantă <horia.geanta@....com>
> Reviewed-by: Marco Felsch <m.felsch@...gutronix.de>
> ---
> arch/arm/boot/dts/imx6ull.dtsi | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/arch/arm/boot/dts/imx6ull.dtsi b/arch/arm/boot/dts/imx6ull.dtsi
> index fcde7f77ae42..9bf67490ac49 100644
> --- a/arch/arm/boot/dts/imx6ull.dtsi
> +++ b/arch/arm/boot/dts/imx6ull.dtsi
> @@ -68,6 +68,13 @@
> clock-names = "dcp";
> };
>
> + rngb: rng@...4000 {
> + compatible = "fsl,imx6ull-rngb", "fsl,imx25-rngb";
> + reg = <0x02284000 0x4000>;
> + interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&clks IMX6UL_CLK_DUMMY>;
> + };
> +
My board (imx6ull-kontron-n6411-s.dts) fails to boot since this was added in v5.10-rc1. There is a crash in the RNG probe. Can anyone help?
Below is the interesting part of the boot log from v5.14-rc6.
Thanks
Frieder
[...]
Asymmetric key parser 'x509' registered
io scheduler mq-deadline registered
io scheduler kyber registered
imx_soc_device_init: failed to find fsl,imx6ul-ocotp regmap!
2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 30, base_baud = 5000000) is a IMX
21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 69, base_baud = 5000000) is a IMX
21ec000.serial: ttymxc2 at MMIO 0x21ec000 (irq = 70, base_baud = 5000000) is a IMX
21f0000.serial: ttymxc3 at MMIO 0x21f0000 (irq = 71, base_baud = 5000000) is a IMX
imx-uart 21f0000.serial: Console IMX rounded baud rate from 114943 to 114900
printk: console [ttymxc3] enabled
8<--- cut here ---
Unhandled fault: external abort on non-linefetch (0x008) at 0xe08d8000
pgd = (ptrval)
[e08d8000] *pgd=81c89811, *pte=02284653, *ppte=02284453
Internal error: : 8 [#1] SMP ARM
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.14.0-rc6-ktn+g807a88195d76 #1
Hardware name: Freescale i.MX6 Ultralite (Device Tree)
PC is at imx_rngc_probe+0xa4/0x30c
LR is at _raw_spin_unlock_irqrestore+0x4c/0x50
pc : [<c06922b4>] lr : [<c0c7ccd4>] psr: 60000053
sp : c1ccfe00 ip : 00000001 fp : 00000000
r10: c1cb6240 r9 : c1fdeb40 r8 : 00000000
r7 : c1d98410 r6 : c1d98400 r5 : c1e07b40 r4 : 0000004c
r3 : e08d8000 r2 : 00000000 r1 : e591bac3 r0 : 00000000
Flags: nZCv IRQs on FIQs off Mode SVC_32 ISA ARM Segment none
Control: 10c5387d Table: 8000406a DAC: 00000051
Register r0 information: NULL pointer
Register r1 information: non-paged memory
Register r2 information: NULL pointer
Register r3 information: 0-page vmalloc region starting at 0xe08d8000 allocated at __devm_ioremap+0xa4/0xbc
Register r4 information: non-paged memory
Register r5 information: slab kmalloc-256 start c1e07b00 pointer offset 64 size 256
Register r6 information: slab kmalloc-1k start c1d98400 pointer offset 0 size 1024
Register r7 information: slab kmalloc-1k start c1d98400 pointer offset 16 size 1024
Register r8 information: NULL pointer
Register r9 information: slab kmalloc-64 start c1fdeb40 pointer offset 0 size 64
Register r10 information: slab kmalloc-192 start c1cb6240 pointer offset 0 size 192
Register r11 information: NULL pointer
Register r12 information: non-paged memory
Process swapper/0 (pid: 1, stack limit = 0x(ptrval))
Stack: (0xc1ccfe00 to 0xc1cd0000)
fe00: 00000000 00000000 00000000 9cd54eeb 00000000 c1d98410 c145a4d4 00000000
fe20: c1d98410 c1244854 c1cb6240 c0710fb4 c1d98410 00000000 c145a4d4 00000000
fe40: c1d98410 c070e86c c1d98410 c145a4d4 c145a4d4 c070eadc c1b3b0fc c1b3b100
fe60: c145a4d4 c070eb70 00000000 c1d98410 c145a4d4 c1cce000 00000000 c070ef24
fe80: 00000000 c145a4d4 c070eeb4 c070cb9c c1fdd900 c1cb32b0 c1de0a14 9cd54eeb
fea0: c1cb32e4 c145a4d4 c1fdd900 00000000 c145cdf0 c070db70 c1024488 c122e530
fec0: c145a4d4 c145a4d4 c122e530 c145a4d4 c1308fcc c070fc7c c145a4c0 c122e530
fee0: c145a4d4 c0711470 c1cce000 c122e530 c14c6b80 c0102220 00000000 00000000
ff00: c1cb62e1 c1106d00 000000fc c014cd08 000000a2 c11059b8 c1051d10 c12003e8
ff20: c1cce000 c14c6b80 c1308fcc c11059b8 c14d1000 c1244854 000000fc c01aa110
ff40: 00000000 9cd54eeb c1254540 00000007 c1244874 c11059b8 c14d1000 c1244854
ff60: c1cb6240 c1201200 00000006 00000006 00000000 c12003e8 00000000 000000fc
ff80: 00000000 00000000 c0c71b20 00000000 00000000 00000000 00000000 00000000
ffa0: 00000000 c0c71b30 00000000 c010013c 00000000 00000000 00000000 00000000
ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
ffe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
[<c06922b4>] (imx_rngc_probe) from [<c0710fb4>] (platform_probe+0x58/0xb8)
[<c0710fb4>] (platform_probe) from [<c070e86c>] (really_probe+0x14c/0x33c)
[<c070e86c>] (really_probe) from [<c070eadc>] (__driver_probe_device+0x80/0xe4)
[<c070eadc>] (__driver_probe_device) from [<c070eb70>] (driver_probe_device+0x30/0xd4)
[<c070eb70>] (driver_probe_device) from [<c070ef24>] (__driver_attach+0x70/0xf4)
[<c070ef24>] (__driver_attach) from [<c070cb9c>] (bus_for_each_dev+0x78/0xb8)
[<c070cb9c>] (bus_for_each_dev) from [<c070db70>] (bus_add_driver+0x150/0x1dc)
[<c070db70>] (bus_add_driver) from [<c070fc7c>] (driver_register+0x74/0x108)
[<c070fc7c>] (driver_register) from [<c0711470>] (__platform_driver_probe+0x44/0xdc)
[<c0711470>] (__platform_driver_probe) from [<c0102220>] (do_one_initcall+0x80/0x3a8)
[<c0102220>] (do_one_initcall) from [<c1201200>] (kernel_init_freeable+0x1a0/0x234)
[<c1201200>] (kernel_init_freeable) from [<c0c71b30>] (kernel_init+0x10/0x124)
[<c0c71b30>] (kernel_init) from [<c010013c>] (ret_from_fork+0x14/0x38)
Exception stack(0xc1ccffb0 to 0xc1ccfff8)
ffa0: 00000000 00000000 00000000 00000000
ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
ffe0: 00000000 00000000 00000000 00000000 00000013 00000000
Code: ebfe93da e2508000 1a00000f e5953008 (e5939000)
---[ end trace 27e536094eba35b6 ]---
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]---
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