Message-ID: <CAHCN7xK6a+HcfO3P+Laj-RBYgB=vX+jq59P09ZC-8-N9+d+KMQ@mail.gmail.com>
Date:   Thu, 11 Jan 2018 10:14:18 -0600
From:   Adam Ford <aford173@...il.com>
To:     Sekhar Nori <nsekhar@...com>
Cc:     David Lechner <david@...hnology.com>, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kevin Hilman <khilman@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 01/44] dt-bindings: clock: Add new bindings for TI
 Davinci PLL clocks

On Thu, Jan 11, 2018 at 9:47 AM, Sekhar Nori <nsekhar@...com> wrote:
> On Thursday 11 January 2018 06:15 PM, Adam Ford wrote:
>> On Wed, Jan 10, 2018 at 8:50 PM, David Lechner <david@...hnology.com> wrote:
>>> On 01/10/2018 04:24 PM, Adam Ford wrote:
>>>>
>>>>
>>>> I am available tomorrow to build and test patches against the
>>>> da850-evm.  I just need to know which version(s) to test.
>>>
>>>
>>> Great. As per the cover letter:
>>>
>>> You can find a working branch with everything included in the
>>> "common-clk-v5"
>>> branch of https://github.com/dlech/ev3dev-kernel.git.
>>
>> I wasn't sure if things had changed after some of the dialog about the
>> bindings and device tree.
>>
>> Here is my log with DEBUG_LL and CONFIG_EARLY_PRINTK set :
>>
>> Starting kernel ...
>>
>> Uncompressing Linux... done, booting the kernel.
>> Booting Linux on physical CPU 0x0
>> Linux version 4.15.0-rc4-g8564e0f (aford@...ntu16) (gcc version 7.2.0
>> (Buildroot 2017.11.1-00021-g7b43660)) #2 PREEMPT Thu Jan 11 06:35:29
>> CST 2018
>> CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
>> CPU: VIVT data cache, VIVT instruction cache
>> OF: fdt: Machine model: DA850/AM1808/OMAP-L138 EVM
>> Memory policy: Data cache writethrough
>> cma: Reserved 16 MiB at 0xc2c00000
>> DaVinci da850/omap-l138 variant 0x0
>> random: fast init done
>> Built 1 zonelists, mobility grouping on.  Total pages: 16256
>> Kernel command line: console=ttyS2,115200n8 root=PARTUUID= rw
>
> Pretty sure an actual UUID is missing here.
>

When I setup root to be on the /dev/mmcblk0, I get the same result.
The kernel still hangs.  It doesn't hang using the mainline kernel
without this patch series

Starting kernel ...

Uncompressing Linux... done, booting the kernel.
Booting Linux on physical CPU 0x0
Linux version 4.15.0-rc4-g8564e0f (aford@...ntu16) (gcc version 7.2.0
(Buildroot 2017.11.1-00021-g7b43660)) #2 PREEMPT Thu Jan 11 06:35:29
CST 2018
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
CPU: VIVT data cache, VIVT instruction cache
OF: fdt: Machine model: DA850/AM1808/OMAP-L138 EVM
Memory policy: Data cache writethrough
cma: Reserved 16 MiB at 0xc2c00000
DaVinci da850/omap-l138 variant 0x0
random: fast init done
Built 1 zonelists, mobility grouping on.  Total pages: 16256
Kernel command line: console=ttyS2,115200n8 root=/dev/mmcblk0p2 rw
rootfstype=ext4 rootwait
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory: 42164K/65536K available (4548K kernel code, 280K rwdata, 1044K
rodata, 232K init, 143K bss, 6988K reserved, 16384K cma-reserved)
Virtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
    vmalloc : 0xc4800000 - 0xff800000   ( 944 MB)
    lowmem  : 0xc0000000 - 0xc4000000   (  64 MB)
    modules : 0xbf000000 - 0xc0000000   (  16 MB)
      .text : 0x(ptrval) - 0x(ptrval)   (4550 kB)
      .init : 0x(ptrval) - 0x(ptrval)   ( 232 kB)
      .data : 0x(ptrval) - 0x(ptrval)   ( 281 kB)
       .bss : 0x(ptrval) - 0x(ptrval)   ( 144 kB)
SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Preemptible hierarchical RCU implementation.
        Tasks RCU enabled.
NR_IRQS: 245
clocksource: timer0_1: mask: 0xffffffff max_cycles: 0xffffffff,
max_idle_ns: 79635851949 ns
sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
Console: colour dummy device 80x30
Calibrating delay loop... 148.88 BogoMIPS (lpj=744448)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
CPU: Testing write buffer coherency: ok
Setting up static identity map for 0xc0008400 - 0xc0008458
Hierarchical SRCU implementation.
devtmpfs: initialized
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff,
max_idle_ns: 19112604462750000 ns
futex hash table entries: 256 (order: -1, 3072 bytes)
pinctrl core: initialized pinctrl subsystem
NET: Registered protocol family 16
DMA: preallocated 256 KiB pool for atomic coherent allocations
cpuidle: using governor menu
mux: initialized RTC_ALARM
mux: Setting register RTC_ALARM
mux:    PINMUX0 (0x00000000) = 0x44080000 -> 0x24080000
edma 1c00000.edma: memcpy is disabled
edma 1c00000.edma: TI EDMA DMA engine driver
edma 1e30000.edma: memcpy is disabled
edma 1e30000.edma: TI EDMA DMA engine driver
i2c_davinci 1c22000.i2c: could not find pctldev for node
/soc@...0000/pinmux@...20/pinmux_i2c0_pins, deferring probe
clocksource: Switched to clocksource timer0_1
NET: Registered protocol family 2
TCP established hash table entries: 1024 (order: 0, 4096 bytes)
TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
TCP: Hash tables configured (established 1024 bind 1024)
UDP hash table entries: 256 (order: 0, 4096 bytes)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
NET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
Initialise system trusted keyrings
workingset: timestamp_bits=30 max_order=14 bucket_order=0
Key type asymmetric registered
Asymmetric key parser 'x509' registered
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
io scheduler noop registered (default)
io scheduler mq-deadline registered
io scheduler kyber registered
pinctrl-single 1c14120.pinmux: 160 pins at pa fdfe34a6 size 80
Serial: 8250/16550 driver, 3 ports, IRQ sharing disabled
1c42000.serial: ttyS0 at MMIO 0x1c42000 (irq = 25, base_baud =
9375000) is a TI DA8xx/66AK2x
1d0c000.serial: ttyS1 at MMIO 0x1d0c000 (irq = 53, base_baud =
8250000) is a TI DA8xx/66AK2x
1d0d000.serial: ttyS2 at MMIO 0x1d0d000 (irq = 61, base_baud =
8250000) is a TI DA8xx/66AK2x
console [ttyS2] enabled
brd: module loaded
libphy: Fixed MDIO Bus: probed
davinci_mdio 1e24000.mdio: failed to get device clock
davinci_mdio: probe of 1e24000.mdio failed with error -2
i2c /dev entries driver
davinci_mmc 1c40000.mmc: Using DMA, 4-bit mode
NET: Registered protocol family 10
Segment Routing with IPv6
sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
NET: Registered protocol family 17
Loading compiled-in X.509 certificates
mmc0: host does not support reading read-only switch, assuming write-enable
mmc0: new high speed SDHC card at address b368
mmcblk0: mmc0:b368 00000 3.75 GiB
 mmcblk0: p1 p2
pca953x 0-0020: 0-0020 supply vcc not found, using dummy regulator
pca953x 0-0020: failed reading register
pca953x: probe of 0-0020 failed with error -121
console [netcon0] enabled
netconsole: network logging started
davinci_emac 1e20000.ethernet: incompatible machine/device type for
reading mac address
hctosys: unable to open rtc device (rtc0)



> Thanks,
> Sekhar

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