Changeset abde5688 in rtems
- Timestamp:
- 09/19/01 17:40:51 (21 years ago)
- Branches:
- 4.10, 4.11, 4.8, 4.9, 5, master
- Children:
- 8f6e5f0d
- Parents:
- 5400f07
- Location:
- c/src/lib/libbsp/m68k/gen68360
- Files:
-
- 2 edited
Legend:
- Unmodified
- Added
- Removed
-
c/src/lib/libbsp/m68k/gen68360/ChangeLog
r5400f07 rabde5688 1 2001-09-19 Eric Norum <eric.norum@usask.ca> 2 3 * README: Bring it more in line with reality. 4 1 5 2001-05-26 Ralf Corsepius <corsepiu@faw.uni-ulm.de> 2 6 -
c/src/lib/libbsp/m68k/gen68360/README
r5400f07 rabde5688 10 10 # Please send any comments, improvements, or bug reports to: 11 11 # W. Eric Norum 12 # Saskatchewan Accelerator Laboratory13 # 107 North Road12 # Deparment of Electrical Engineering 13 # 53 Campus Driver 14 14 # University of Saskatchewan 15 15 # Saskatoon, Saskatchewan, CANADA 16 # S7N 5 C617 # eric @skatter.usask.ca16 # S7N 5A9 17 # eric.norum@usask.ca 18 18 # 19 19 … … 34 34 # version works with the Atlas ACE360 card. 35 35 # 36 # Decisions to be made a link-edit time are:37 # - The size of the memory allocator heap. The default value is38 # 64 kbytes. If the network package is used the heap39 # should be at least 256 kbytes. If your network is large, or40 # busy, the heap should be even larger.41 # To choose a heap size of 256 kbytes,42 # CFLAGS_LD += -Wl,--defsym -Wl,HeapSize=0x4000043 36 44 37 BSP NAME: gen68360 or gen68360_040 … … 87 80 ----------------- 88 81 clock rate: 25 MHz 89 bus width: 8-bit PROM , 32-bit DRAM82 bus width: 8-bit PROM/FLASH, 32-bit DRAM 90 83 ROM: To 1 MByte, 180 nsec (3 wait states), chip select 0 91 84 RAM: 4 or 16 MBytes of 60 nsec parity DRAM (1Mx36) to RAS1*/CAS1* … … 300 293 P.O. Box 270352 301 294 Fort Collins, CO 80527-0352 302 303 Interrupt Notes304 ===============305 clock.c:306 Occasional network lockups have been noted when the PIT has a higher307 interrupt request level than the CPM. The SCC1 bit in the CISR is set308 even though the SCC1 interrupt handler is not active. This blocks309 interrupts from SCC1 (and all other CPM sources) and locks up the310 system. It has not been determined whether the error is within the311 68360 or in the RTEMS interrupt support assembler code. The solution,312 for now, is to set both PIT and CPM interrupt request levels to the same313 value (4).314 315
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