sbc8548: relocate 64MB user flash to sane boundary

[platform/kernel/u-boot.git] / doc / README.sbc8548

diff --git a/doc/README.sbc8548 b/doc/README.sbc8548
index 6cbe12f..5fa9c93 100644 (file)
--- 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