Re: StrongARM SA-1110 / SA-1111 and Kernel 4.9.210 (Jornada 720)

[Russell King - ARM Linux admin <linux@armlinux.org.uk>]

On Wed, Jan 22, 2020 at 09:10:13AM +0100, Stefan Lehner wrote:
> Hi!
> I like to get a newer Linux Kernel running on my Jornada 720. It has a
> StrongArm SA-1110 CPU and the SA-1111 companion chip. 
> I patched the kernel source with the BX emulation to run a newer Debian
> userland. The kernel compiled fine. 
> It starts to boot on the Jornada with the linexec bootloader. But it seems
> that it doesnt detect any CF or PCMCIA card. I managed to get the
> jornada720_pcmcia_configure_socket() running and it detects the card and
> powers it up with the correct voltage (3V for the CF card in socket 1).

What was required for that?

> But
> thats all. No CF card is being recognized and so the IDE driver cannot load
> the card. The same thing happens if i insert a PCMCIA card into socket 0,
> jornada720_pcmcia_configure_socket() powers it up with the correct voltage
> but the card itself is not recognized.  I hope that somebody can help me or
> give me a hint to solve this!

Have you tried "rootdelay=2" on the kernel command line, just in case
it needs a bit of time to run other threads to probe the card?

> 
> Thanks 
> Stefan
> 
> Here ist the console output:
> 
> --------linexec--------
> LinExec: UART Initialized.
> LinExec: UART Initialized.
> LinExec: UART Initialized.
> LinExec: Beginning boot_linux.
> LinExec: Passing the point of no return.. Now.
> LinExec: Entering DRAMloader...
> Booting Linux on physical CPU 0x0
> Linux version 4.9.210 (stefan@spnub1804work) (gcc version 7.4.0
> (Ubuntu/Linaro 7.4.0-1ubuntu1~18.04.1) ) #2 Tue Jan 21 09:37:28 UTC 2020
> CPU: StrongARM-1110 [6901b118] revision 8 (ARMv4), cr=c020717f
> CPU: VIVT data cache, VIVT instruction cache
> Machine: HP Jornada 720
> Memory policy: Data cache writeback
> Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 32512
> Kernel command line: root=/dev/hda2 mem=128m console=ttySA0,115200n8
> PID hash table entries: 512 (order: -1, 2048 bytes)
> Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
> Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
> Memory: 126100K/131072K available (2844K kernel code, 114K rwdata, 596K
> rodata, 120K init, 83K bss, 4972K reserved, 0K cma-reserved)
> Virtual kernel memory layout:
>     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
>     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
>     vmalloc : 0xc8800000 - 0xff800000   ( 880 MB)
>     lowmem  : 0xc0000000 - 0xc8000000   ( 128 MB)
>     modules : 0xbf000000 - 0xc0000000   (  16 MB)
>       .text : 0xc0208000 - 0xc04cf390   (2845 kB)
>       .init : 0xc0566000 - 0xc0584000   ( 120 kB)
>       .data : 0xc0584000 - 0xc05a09a0   ( 115 kB)
>        .bss : 0xc05a09a0 - 0xc05b5828   (  84 kB)
> SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
> NR_IRQS:16 nr_irqs:61 61
> irq: Cannot allocate irq_descs @ IRQ1, assuming pre-allocated
> irq: Cannot allocate irq_descs @ IRQ33, assuming pre-allocated
> sched_clock: 32 bits at 3686kHz, resolution 271ns, wraps every
> 582542222200ns
> clocksource: oscr0: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns:
> 518462577799 ns
> Console: colour dummy device 30x40
> console [ttySA0] enabled
> Calibrating delay loop... 136.60 BogoMIPS (lpj=683008)
> 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 0xc0208240 - 0xc0208298
> clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns:
> 19112604462750000 ns
> futex hash table entries: 256 (order: -1, 3072 bytes)
> NET: Registered protocol family 16
> DMA: preallocated 256 KiB pool for atomic coherent allocations
> SA1111 Microprocessor Companion Chip: silicon revision 1, metal revision 1
> sa1111 sa1111.0: Providing IRQ61-115
> sa1111-rab 0400: dmabounce: registered device
> sa1111-rab 0600: dmabounce: registered device
> clocksource: Switched to clocksource oscr0
> genirq: Setting trigger mode 3 for irq 112 failed (sa1111_type_irq+0x0/0x8c)
> genirq: Setting trigger mode 3 for irq 114 failed (sa1111_type_irq+0x0/0x8c)
> jornada720_pcmcia_configure_socket(): config socket 0 vcc 0 vpp 0
> genirq: Setting trigger mode 3 for irq 113 failed (sa1111_type_irq+0x0/0x8c)
> genirq: Setting trigger mode 3 for irq 115 failed (sa1111_type_irq+0x0/0x8c)
> jornada720_pcmcia_configure_socket(): config socket 1 vcc 0 vpp 0
> 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
> NetWinder Floating Point Emulator V0.97 (double precision)
> SSP: device initialized with irq
> workingset: timestamp_bits=30 max_order=15 bucket_order=0
> io scheduler noop registered
> io scheduler deadline registered
> io scheduler cfq registered (default)
> Epson S1D13XXX FB Driver
> s1d13xxxfb: chip production id 4 = S1D13506
> s1d13xxxfb: chip revision 1
> s1d13xxxfb: regs mapped at 0xf0000000, fb 512 KiB mapped at 0xf1000000
> Console: switching to colour frame buffer device 80x30
> fb0: S1D13xxx frame buffer device
> Serial: SA11x0 driver
> sa11x0-uart.1: ttySA1 at MMIO 0x80010000 (irq = 16, base_baud = 230400) is a
> SA1100
> sa11x0-uart.3: ttySA0 at MMIO 0x80050000 (irq = 18, base_baud = 230400) is a
> SA1100
> loop: module loaded
> jornada720_pcmcia_configure_socket(): config socket 1 vcc 33 vpp 33
> nbd: registered device at major 43
> Uniform Multi-Platform E-IDE driver
> ide-gd driver 1.18
> mousedev: PS/2 mouse device common for all mice
> input: HP Jornada 720 keyboard as
> /devices/platform/jornada720_kbd/input/input0
> input: HP Jornada 7xx Touchscreen as
> /devices/platform/jornada_ts/input/input1
> sa1100-rtc sa1100-rtc: rtc core: registered sa1100-rtc as rtc0
> NET: Registered protocol family 17
> Registering BX emulation handler
> sa1100-rtc sa1100-rtc: setting system clock to 1970-01-01 00:00:22 UTC (22)
> VFS: Cannot open root device "hda2" or unknown-block(0,0): error -6
> Please append a correct "root=" boot option; here are the available
> partitions:
> Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(0,0)
> CPU: 0 PID: 1 Comm: swapper Not tainted 4.9.210 #2
> Hardware name: HP Jornada 720
> Backtrace:
> [<c0212f30>] (dump_backtrace) from [<c02131e4>] (show_stack+0x18/0x1c)
> r6:00008000 r5:00000000 r4:c05a0c08
> [<c02131cc>] (show_stack) from [<c036b604>] (dump_stack+0x20/0x28)
> [<c036b5e4>] (dump_stack) from [<c0271640>] (panic+0xb8/0x23c)
> [<c027158c>] (panic) from [<c0567204>] (mount_block_root+0x22c/0x310)
> r3:00000000 r2:00000000 r1:c0131ee0 r0:c052296c
> r7:c7a99000
> [<c0566fd8>] (mount_block_root) from [<c0567344>] (mount_root+0x5c/0x78)
> r10:c057c838 r9:00000009 r8:c0563ee0 r7:c057c834 r6:00000008 r5:c057c86d
> r4:00000000
> [<c05672e8>] (mount_root) from [<c0567484>] (prepare_namespace+0x124/0x174)
> r4:c05a09c4
> [<c0567360>] (prepare_namespace) from [<c0566dfc>]
> (kernel_init_freeable+0x180/0x1c8)
> r5:c05a09a0 r4:00000052
> [<c0566c7c>] (kernel_init_freeable) from [<c04cb5e4>]
> (kernel_init+0x10/0xf8)
> r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c04cb5d4
> r4:00000000
> [<c04cb5d4>] (kernel_init) from [<c0210268>] (ret_from_fork+0x14/0x2c)
> r4:00000000
> ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(0,0)
> random: fast init done
> random: crng init done
> 
> 
> 
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