From abde5688c25c4bd0f818b6f51df6726cfad7c529 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Wed, 19 Sep 2001 17:40:51 +0000 Subject: 2001-09-19 Eric Norum * README: Bring it more in line with reality. --- c/src/lib/libbsp/m68k/gen68360/README | 31 +++++-------------------------- 1 file changed, 5 insertions(+), 26 deletions(-) (limited to 'c/src/lib/libbsp/m68k/gen68360/README') diff --git a/c/src/lib/libbsp/m68k/gen68360/README b/c/src/lib/libbsp/m68k/gen68360/README index d91aa2d37d..471e55581f 100644 --- a/c/src/lib/libbsp/m68k/gen68360/README +++ b/c/src/lib/libbsp/m68k/gen68360/README @@ -9,12 +9,12 @@ # # Please send any comments, improvements, or bug reports to: # W. Eric Norum -# Saskatchewan Accelerator Laboratory -# 107 North Road +# Deparment of Electrical Engineering +# 53 Campus Driver # University of Saskatchewan # Saskatoon, Saskatchewan, CANADA -# S7N 5C6 -# eric@skatter.usask.ca +# S7N 5A9 +# eric.norum@usask.ca # # @@ -33,13 +33,6 @@ # as described in Chapter 9 of the MC68360 User's Manual. This # version works with the Atlas ACE360 card. # -# Decisions to be made a link-edit time are: -# - The size of the memory allocator heap. The default value is -# 64 kbytes. If the network package is used the heap -# should be at least 256 kbytes. If your network is large, or -# busy, the heap should be even larger. -# To choose a heap size of 256 kbytes, -# CFLAGS_LD += -Wl,--defsym -Wl,HeapSize=0x40000 BSP NAME: gen68360 or gen68360_040 BOARD: Generic 68360 as described in Motorola MC68360 User's Manual @@ -86,7 +79,7 @@ NOTES Board description ----------------- clock rate: 25 MHz -bus width: 8-bit PROM, 32-bit DRAM +bus width: 8-bit PROM/FLASH, 32-bit DRAM ROM: To 1 MByte, 180 nsec (3 wait states), chip select 0 RAM: 4 or 16 MBytes of 60 nsec parity DRAM (1Mx36) to RAS1*/CAS1* @@ -299,17 +292,3 @@ The board support package has been tested with: Arnewsh Inc. P.O. Box 270352 Fort Collins, CO 80527-0352 - -Interrupt Notes -=============== -clock.c: - Occasional network lockups have been noted when the PIT has a higher -interrupt request level than the CPM. The SCC1 bit in the CISR is set -even though the SCC1 interrupt handler is not active. This blocks -interrupts from SCC1 (and all other CPM sources) and locks up the -system. It has not been determined whether the error is within the -68360 or in the RTEMS interrupt support assembler code. The solution, -for now, is to set both PIT and CPM interrupt request levels to the same -value (4). - - -- cgit v1.2.3