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[microblaze-uclinux] Caches
Hi Everyone,
Does anbody have a running uclinux on microblaze with caches enabled? We
have a hard time to get them running. The Kernel hangs (See boot log
below):
Now Starting the Kernel...
Linux version 2.4.22-uc0 (hansen@ap158) (gcc version 2.95.3-4 Xilinx EDK
6.1 Build EDK_G.11) #503 Tue Dec 9 13:58:32 CET
2003
On node 0 totalpages: 4096
zone(0): 4096 pages.
zone(1): 0 pages.
zone(2): 0 pages.
CPU: MICROBLAZE
Console: xmbserial on UARTLite
Kernel command line:
Calibrating delay loop... 24.83 BogoMIPS
Memory: 14620K/16384K available (1001K kernel code, 218K data)
Dentry cache hash table entries: 2048 (order: 2, 16384 bytes)
Inode cache hash table entries: 1024 (order: 1, 8192 bytes)
Mount cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer cache hash table entries: 1024 (order: 0, 4096 bytes)
Page-cache hash table entries: 4096 (order: 2, 16384 bytes)
POSIX conformance testing by UNIFIX
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Microblaze UARTlite serial driver version 1.00
ttyS0 at 0xffff2000 (irq = 1) is a Microblaze UARTlite
ttyS1 at 0xffff4000 (irq = 2) is a Microblaze UARTlite
Starting kswapd
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
Initializing SystemAce driver
Partition check:
xsysacea: xsysacea1 xsysacea2
System ACE at 0xCF000000 mapped to 0xCF000000, irq=4, 125440KB
eth0: Xilinx EMAC #0 at 0xC0000000 mapped to 0xC0000000, irq=3
MBVanilla flash probe(0xff000000,8388608,4): 800000 at ff000000
CFI: Found no Flash device at location zero
Search for id:(00 00) interleave(2) type(2)
Search for id:(00 00) interleave(2) type(2)
Search for id:(00 00) interleave(2) type(2)
Search for id:(00 00) interleave(2) type(1)
Search for id:(00 00) interleave(2) type(1)
Search for id:(00 00) interleave(2) type(1)
Search for id:(00 00) interleave(4) type(2)
Search for id:(00 00) interleave(4) type(2)
Search for id:(00 00) interleave(4) type(2)
Search for id:(00 00) interleave(4) type(1)
Search for id:(00 00) interleave(4) type(1)
Search for id:(00 00) interleave(4) type(1)
JEDEC: Found no Flash device at location zero
MBVanilla ram probe(0x80132c5c,368640,4): 5a000 at 80132c5c
Creating 1 MTD partitions on "RAM":
0x00000000-0x0005a000 : "Romfs"
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 1024 bind 1024)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
FAT: bogus logical sector size 64032
FAT: bogus logical sector size 64032
VFS: Mounted root (romfs filesystem) readonly.
Freeing unused kernel memory: 40K freed
END OF BOOTLOG
The caches are enabled in the MHS like this:
----
Snip
----
BEGIN microblaze
PARAMETER INSTANCE = microblaze_i
PARAMETER HW_VER = 2.00.a
PARAMETER C_USE_BARREL = 1
PARAMETER C_DEBUG_ENABLED = 1
PARAMETER C_NUMBER_OF_PC_BRK = 8
PARAMETER C_NUMBER_OF_RD_ADDR_BRK = 1
PARAMETER C_NUMBER_OF_WR_ADDR_BRK = 1
PARAMETER C_USE_DIV = 1
PARAMETER C_USE_ICACHE = 1
PARAMETER C_CACHE_BYTE_SIZE = 65536
PARAMETER C_USE_DCACHE = 1
PARAMETER C_DCACHE_BYTE_SIZE = 65536
PARAMETER C_ICACHE_BASEADDR = 0x80000000
PARAMETER C_ICACHE_HIGHADDR = 0x81FFFFFF
PARAMETER C_DCACHE_BASEADDR = 0x80000000
PARAMETER C_DCACHE_HIGHADDR = 0x81FFFFFF
PARAMETER C_ADDR_TAG_BITS = 9
PARAMETER C_DCACHE_ADDR_TAG = 9
BUS_INTERFACE DLMB = d_lmb_v10
BUS_INTERFACE ILMB = i_lmb_v10
BUS_INTERFACE DOPB = d_opb_v20
BUS_INTERFACE IOPB = d_opb_v20
PORT INTERRUPT = interrupt
PORT RESET = sys_rst
PORT CLK = sys_clk
END
----
Snip
----
Any suggestions about what to change are welcome.
Thanks in advance.
Jan
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