summaryrefslogtreecommitdiff
path: root/doc/README.sbc8548
diff options
context:
space:
mode:
Diffstat (limited to 'doc/README.sbc8548')
-rw-r--r--doc/README.sbc85488
1 files changed, 7 insertions, 1 deletions
diff --git a/doc/README.sbc8548 b/doc/README.sbc8548
index 6cbe12f..5fa9c93 100644
--- a/doc/README.sbc8548
+++ b/doc/README.sbc8548
@@ -100,6 +100,9 @@ Boot flash:
Sodimm flash:
intel V28F128Jx, 16384x8 (4 devices) at 0xfb80_0000
+ Note that this address reflects the default setting for
+ the JTAG debugging tools, but since the alignment is
+ rather inconvenient, u-boot puts it at 0xec00_0000.
Jumpers:
@@ -187,9 +190,12 @@ start end CS<n> width Desc.
0000_0000 0fff_ffff MCS0,1 64 DDR2 (256MB)
f000_0000 f7ff_ffff CS3,4 32 LB SDRAM (128MB)
f800_0000 f8b0_1fff CS5 - EPLD
-fb80_0000 ff7f_ffff CS6 32 SODIMM flash (64MB)
+fb80_0000 ff7f_ffff CS6 32 SODIMM flash (64MB) [*]
ff80_0000 ffff_ffff CS0 8 Boot flash (8MB)
+[*] fb80 represents the default programmed by WR JTAG register files,
+ but u-boot places the flash at either ec00 or fc00 based on JP12.
+
The EPLD on CS5 demuxes the following devices at the following offsets:
offset size width device