On 10/12/2018 18.38, Tony Lindgren wrote:
> * Tony Lindgren <tony@xxxxxxxxxxx> [181210 16:21]:
>> * Peter Ujfalusi <peter.ujfalusi@xxxxxx> [181210 16:13]:
>>> am335x-evmsk is still not booting with this patch on top of next-20181210.
>>
>> Oh interesting.
>
> OK so to prevent the hwmod code from resetting gpios very
> early, this now might become necessary. Care to try with
> this also applied?
With this applied there is life on the console, however it ends up badly:
[ 3.511211] OF: graph: no port node found in /ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0
[ 3.522149] OF: graph: no port node found in /ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0
[ 3.533488] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[ 3.541752] pgd = (ptrval)
[ 3.544521] [00000000] *pgd=00000000
[ 3.548163] Internal error: Oops: 5 [#1] PREEMPT SMP ARM
[ 3.553502] Modules linked in:
[ 3.556584] CPU: 0 PID: 66 Comm: kworker/0:3 Not tainted 4.20.0-rc6-next-20181210-00102-g6da59622c934-dirty #276
[ 3.566804] Hardware name: Generic AM33XX (Flattened Device Tree)
[ 3.572947] Workqueue: events dbs_work_handler
[ 3.577434] PC is at tilcdc_crtc_update_clk+0xc/0x98
[ 3.582429] LR is at cpufreq_transition+0x1c/0x24
[ 3.587155] pc : [<c057e524>] lr : [<c057fd50>] psr: 60000013
[ 3.593450] sp : cf5e7e20 ip : 0ee06000 fp : 00000000
[ 3.598698] r10: ffffffff r9 : cf5e7ebc r8 : 00000000
[ 3.603946] r7 : 00000001 r6 : cf5e7ebc r5 : 00000000 r4 : 00000000
[ 3.610503] r3 : c057fd34 r2 : cf5e7ebc r1 : 00000001 r0 : 00000000
[ 3.617063] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
[ 3.624231] Control: 10c5387d Table: 80004019 DAC: 00000051
[ 3.630005] Process kworker/0:3 (pid: 66, stack limit = 0x(ptrval))
[ 3.636302] Stack: (0xcf5e7e20 to 0xcf5e8000)
[ 3.640688] 7e20: 00000000 fffffffe cf5e7ebc 00000001 00000000 c057fd50 00000000 c01555d8
[ 3.648909] 7e40: c0e6a26c c0e6a258 00000000 00000000 00000001 c015599c 00000000 c06e5548
[ 3.657131] 7e60: cf5e7ebc cf5c3b00 c0e09264 c0e6a258 00000003 00000000 000afc80 c01559d0
[ 3.665353] 7e80: 00000000 000afc80 cf5c3b00 c06e9994 cf5c3b00 cf5e7ebc 00000000 c0eae910
[ 3.673575] 7ea0: 00000003 c06e9a64 cf5c3b00 00000000 c0e09108 c06e9f94 cf5dee00 00000000
[ 3.681797] 7ec0: 000927c0 000afc80 00000021 71a56597 cf159688 cf5c3b00 cf5dee00 cf5d9c40
[ 3.690019] 7ee0: cf5d9c40 cf5ded80 cf5ded80 cf5dee3c ffffe000 c06ed2c8 cf5dee38 cf5e1380
[ 3.698240] 7f00: cf5dee04 cf5c3b00 c0e6a5d4 00000000 cf5dee3c c06edd80 cf5dee38 cf5e1380
[ 3.706461] 7f20: cfb69ec0 cfb6d000 00000000 c014e284 00000008 cfb69ed8 cf5e1380 cf5e1394
[ 3.714683] 7f40: cfb69ec0 00000008 cfb69ed8 c0e03d00 cfb69ec0 c014ef74 cf5e01c0 cf5e0180
[ 3.722905] 7f60: ffffe000 00000000 cf5e01c0 cf5e0180 cf5e6000 cf5e1380 c014ef48 cf05feac
[ 3.731127] 7f80: cf5e01dc c0153d40 00000000 cf5e0180 c0153c10 00000000 00000000 00000000
[ 3.739348] 7fa0: 00000000 00000000 00000000 c01010e8 00000000 00000000 00000000 00000000
[ 3.747568] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 3.755789] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
[ 3.764028] [<c057e524>] (tilcdc_crtc_update_clk) from [<c057fd50>] (cpufreq_transition+0x1c/0x24)
[ 3.773045] [<c057fd50>] (cpufreq_transition) from [<c01555d8>] (notifier_call_chain+0x48/0x80)
[ 3.781794] [<c01555d8>] (notifier_call_chain) from [<c015599c>] (__srcu_notifier_call_chain+0x44/0x60)
[ 3.791238] [<c015599c>] (__srcu_notifier_call_chain) from [<c01559d0>] (srcu_notifier_call_chain+0x18/0x20)
[ 3.801126] [<c01559d0>] (srcu_notifier_call_chain) from [<c06e9994>] (cpufreq_notify_transition+0x64/0x110)
[ 3.811008] [<c06e9994>] (cpufreq_notify_transition) from [<c06e9a64>] (cpufreq_freq_transition_end+0x24/0x90)
[ 3.821061] [<c06e9a64>] (cpufreq_freq_transition_end) from [<c06e9f94>] (__cpufreq_driver_target+0x1b8/0x514)
[ 3.831118] [<c06e9f94>] (__cpufreq_driver_target) from [<c06ed2c8>] (od_dbs_update+0x130/0x15c)
[ 3.839952] [<c06ed2c8>] (od_dbs_update) from [<c06edd80>] (dbs_work_handler+0x28/0x58)
[ 3.848003] [<c06edd80>] (dbs_work_handler) from [<c014e284>] (process_one_work+0x1e4/0x3f4)
[ 3.856487] [<c014e284>] (process_one_work) from [<c014ef74>] (worker_thread+0x2c/0x574)
[ 3.864628] [<c014ef74>] (worker_thread) from [<c0153d40>] (kthread+0x130/0x148)
[ 3.872068] [<c0153d40>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[ 3.879323] Exception stack(0xcf5e7fb0 to 0xcf5e7ff8)
[ 3.884400] 7fa0: 00000000 00000000 00000000 00000000
[ 3.892621] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 3.900840] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 3.907493] Code: e12fff1e e92d41f0 e1a04000 e1a05000 (e4946014)
[ 3.913743] ---[ end trace 3f613bd9d55096fe ]---
[ 3.922546] mmc1: new SDIO card at address 0001
[ 3.928074] OF: graph: no port node found in /ocp/interconnect@48000000/segment@300000/target-module@e000/lcdc@0
[ 3.938547] tilcdc 4830e000.lcdc: no encoders/connectors found
>
> Regards,
>
> Tony
>
> 8< ------------------------
> diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c
> --- a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c
> +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c
> @@ -516,24 +516,8 @@ struct omap_hwmod am33xx_epwmss2_hwmod = {
> },
> };
>
> -/*
> - * 'gpio' class: for gpio 0,1,2,3
> - */
> -static struct omap_hwmod_class_sysconfig am33xx_gpio_sysc = {
> - .rev_offs = 0x0000,
> - .sysc_offs = 0x0010,
> - .syss_offs = 0x0114,
> - .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_ENAWAKEUP |
> - SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET |
> - SYSS_HAS_RESET_STATUS),
> - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
> - SIDLE_SMART_WKUP),
> - .sysc_fields = &omap_hwmod_sysc_type1,
> -};
> -
> struct omap_hwmod_class am33xx_gpio_hwmod_class = {
> .name = "gpio",
> - .sysc = &am33xx_gpio_sysc,
> .rev = 2,
> };
>
>
- Péter
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