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Bug#473136: linux-image-2.6.24-1-iop32x: Can't found /dev/rtc : not hardware clock

Martin Michlmayr a écrit :
> Does the Debian kernel actually work on the EM7220?  We don't enable
> CONFIG_MACH_EM7210 in our kernel, so I doubt it does.  I guess you
> used your own config file.  Does it enable RTC?

Yes, it's work. It's the official Debian kernel (the 2.6.22 and 2.6.24).

$ dmesg
Linux version 2.6.24-1-iop32x (Debian 2.6.24-4) (waldi@debian.org) (gcc
version 4.1.3 20071209 (prerelease) (Debian 4.1.2-18)) #1 Fri Feb 22
13:15:18 UTC
CPU: XScale-80219 [69052e30] revision 0 (ARMv5TE), cr=0000397f
Machine: Intel IQ31244
Memory policy: ECC disabled, Data cache writeback
On node 0 totalpages: 65536
  DMA zone: 512 pages used for memmap
  DMA zone: 0 pages reserved
  DMA zone: 65024 pages, LIFO batch:15
  Normal zone: 0 pages used for memmap
  Movable zone: 0 pages used for memmap
CPU0: D VIVT undefined 5 cache
CPU0: I cache: 32768 bytes, associativity 32, 32 byte lines, 32 sets
CPU0: D cache: 32768 bytes, associativity 32, 32 byte lines, 32 sets
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 65024
Kernel command line: console=ttyS0,115200 rw root=/dev/md1 force_ep80219
initrd=0xa1800000,8M mem=256M@0xa0000000 panic=3
PID hash table entries: 1024 (order: 10, 4096 bytes)
Console: colour dummy device 80x30
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
Memory: 256MB = 256MB total
Memory: 248704KB available (2496K code, 226K data, 100K init)
Calibrating delay loop... 599.65 BogoMIPS (lpj=2998272)
Security Framework initialized
SELinux:  Disabled at boot.
Capability LSM initialized
Mount-cache hash table entries: 512
Initializing cgroup subsys ns
Initializing cgroup subsys cpuacct
CPU: Testing write buffer coherency: ok
net_namespace: 64 bytes
NET: Registered protocol family 16
PCI: bus0: Fast back to back transfers disabled
ep80219_pci_map_irq() called for unknown device PCI:0:5:0
ep80219_pci_map_irq() called for unknown device PCI:0:5:1
ep80219_pci_map_irq() called for unknown device PCI:0:5:2
NET: Registered protocol family 2
IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
TCP established hash table entries: 8192 (order: 4, 65536 bytes)
TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
TCP reno registered
checking if image is initramfs... it is
Freeing initrd memory: 8192K
NetWinder Floating Point Emulator V0.97 (double precision)
audit: initializing netlink socket (disabled)
audit(0.830:1): initialized
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
async_tx: api initialized (async)
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
Serial: 8250/16550 driver $Revision: 1.90 $ 2 ports, IRQ sharing disabled
serial8250.0: ttyS0 at MMIO 0xfe800000 (irq = 28) is a 16550A
console [ttyS0] enabled
RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize
physmap platform flash device: 00800000 at f0000000
physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank
 Intel/Sharp Extended Query Table at 0x0031
Using buffer write method
cfi_cmdset_0001: Erase suspend on write enabled
erase region 0: offset=0x0,size=0x20000,blocks=64
cmdlinepart partition parsing not available
Searching for RedBoot partition table in physmap-flash.0 at offset 0x7e0000
10 RedBoot partitions found on MTD device physmap-flash.0
Creating 10 MTD partitions on "physmap-flash.0":
0x00000000-0x00040000 : "RedBoot"
0x00040000-0x00240000 : "zImage"
0x00240000-0x00640000 : "ramdisk.gz"
0x00640000-0x00700000 : "wmdata"
0x00700000-0x00740000 : "rammode"
0x00740000-0x00760000 : "naskey"
0x00760000-0x007a0000 : "log"
0x007a0000-0x007c0000 : "vendor"
0x007c0000-0x007c1000 : "RedBoot config"
mtd: partition "RedBoot config" doesn't end on an erase block -- force
0x007e0000-0x00800000 : "FIS directory"
mice: PS/2 mouse device common for all mice
i2c /dev entries driver
i2c-adapter i2c-0: failed,FF11,11,05
iop-adma iop-adma.0: Intel(R) IOP: ( cpy intr )
iop-adma iop-adma.1: Intel(R) IOP: ( cpy intr )
NET: Registered protocol family 26
TCP bic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
XScale DSP coprocessor detected.
registered taskstats version 1
drivers/rtc/hctosys.c: unable to open rtc device (rtc0)

CONFIG_MACH_EM7210=y don't change the problem. I think that it can be
the same problem with the glantank :

Florent Fourcot.

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