From 96261e827782235709fcdfb2c1bbb93fedc977be Mon Sep 17 00:00:00 2001 From: oharboe Date: Fri, 7 Mar 2008 10:54:43 +0000 Subject: wi-9c target scripts git-svn-id: svn://svn.berlios.de/openocd/trunk@464 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/target/event/wi-9c_reset.script | 56 +++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 src/target/event/wi-9c_reset.script (limited to 'src/target/event/wi-9c_reset.script') diff --git a/src/target/event/wi-9c_reset.script b/src/target/event/wi-9c_reset.script new file mode 100644 index 00000000..cd483701 --- /dev/null +++ b/src/target/event/wi-9c_reset.script @@ -0,0 +1,56 @@ +mww 0x90600104 0x33313333 +mww 0xA0700000 0x00000001 # Enable the memory controller. +mww 0xA0700024 0x00000006 # Set the refresh counter 6 +mww 0xA0700028 0x00000001 # +mww 0xA0700030 0x00000001 # Set the precharge period +mww 0xA0700034 0x00000004 # Active to precharge command period is 16 clock cycles +mww 0xA070003C 0x00000001 # tAPR +mww 0xA0700040 0x00000005 # tDAL +mww 0xA0700044 0x00000001 # tWR +mww 0xA0700048 0x00000006 # tRC 32 clock cycles +mww 0xA070004C 0x00000006 # tRFC 32 clock cycles +mww 0xA0700054 0x00000001 # tRRD +mww 0xA0700058 0x00000001 # tMRD +mww 0xA0700100 0x00004280 # Dynamic Config 0 (cs4) +mww 0xA0700120 0x00004280 # Dynamic Config 1 (cs5) +mww 0xA0700140 0x00004280 # Dynamic Config 2 (cs6) +mww 0xA0700160 0x00004280 # Dynamic Config 3 (cs7) +# +mww 0xA0700104 0x00000203 # CAS latency is 2 at 100 MHz +mww 0xA0700124 0x00000203 # CAS latency is 2 at 100 MHz +mww 0xA0700144 0x00000203 # CAS latency is 2 at 100 MHz +mww 0xA0700164 0x00000203 # CAS latency is 2 at 100 MHz +# +mww 0xA0700020 0x00000103 # issue SDRAM PALL command +# +mww 0xA0700024 0x00000001 # Set the refresh counter to be as small as possible +# +# Add some dummy writes to give the SDRAM time to settle, it needs two +# AHB clock cycles, here we poke in the debugger flag, this lets +# the software know that we are in the debugger +mww 0xA0900000 0x00000002 +mww 0xA0900000 0x00000002 +mww 0xA0900000 0x00000002 +mww 0xA0900000 0x00000002 +mww 0xA0900000 0x00000002 +# +mdw 0xA0900000 +mdw 0xA0900000 +mdw 0xA0900000 +mdw 0xA0900000 +mdw 0xA0900000 +# +mww 0xA0700024 0x00000030 # Set the refresh counter to 30 +mww 0xA0700020 0x00000083 # Issue SDRAM MODE command +# +# Next we perform a read of RAM. +# mw = move word. +mdw 0x00022000 +# mw 0x00022000:P, r3 # 22000 for cas2 latency, 32000 for cas 3 +# +mww 0xA0700020 0x00000003 # issue SDRAM NORMAL command +mww 0xA0700100 0x00084280 # Enable buffer access +mww 0xA0700120 0x00084280 # Enable buffer access +mww 0xA0700140 0x00084280 # Enable buffer access +mww 0xA0700160 0x00084280 # Enable buffer access + -- cgit v1.2.3