mpc83xx: Correct the README for DDR ECC

Update the README for DDR ECC, change the name
to README.mpc83xx.ddrecc.

Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>

diff --git a/doc/README.mpc8349emds.ddrecc b/doc/README.mpc83xx.ddrecc
similarity index 62%
rename from doc/README.mpc8349emds.ddrecc
rename to doc/README.mpc83xx.ddrecc
index eb249c3956f15a8dd810ceb2f592418761b166b4..0029f08759d611edead742d6323f8978ce62e792 100644 (file)
--- a/doc/README.mpc8349emds.ddrecc
+++ b/doc/README.mpc83xx.ddrecc
@@ -15,10 +15,10 @@ IMPORTANT NOTICE: enabling injecting multiple-bit errors is potentially
 dangerous as such errors are NOT corrected by the controller. Therefore caution
 should be taken when enabling the injection of multiple-bit errors: it is only
 safe when used on a carefully selected memory area and used under control of
-the 'ecc test' command (see example 'Injecting Multiple-Bit Errors' below). In
-particular, when you simply set the multiple-bit errors in inject mask and
-enable injection, U-Boot is very likely to hang quickly as the errors will be
-injected when it accesses its code, data etc.
+the 'ecc testdw' 'ecc testword' command (see example 'Injecting Multiple-Bit
+Errors' below). In particular, when you simply set the multiple-bit errors in
+inject mask and enable injection, U-Boot is very likely to hang quickly as the
+errors will be injected when it accesses its code, data etc.
 
 
 Use cases for DDR 'ecc' command:
@@ -40,7 +40,7 @@ Injecting Single-Bit Errors
 
 2. Run test over some memory region
 
-=> ecc test 200000 10
+=> ecc testdw 200000 10
 
 3. Check ECC status
 
@@ -61,57 +61,57 @@ Memory Error Detect:
 16 errors were generated, Single-Bit Error flag was not set as Single Bit Error
 Counter did not reach  Single-Bit Error Threshold.
 
-4. Make sure used memory region got re-initialized with 0xcafecafe pattern
+4. Make sure used memory region got re-initialized with 0x0123456789abcdef
 
 => md 200000
-00200000: cafecafe cafecafe cafecafe cafecafe    ................
-00200010: cafecafe cafecafe cafecafe cafecafe    ................
-00200020: cafecafe cafecafe cafecafe cafecafe    ................
-00200030: cafecafe cafecafe cafecafe cafecafe    ................
-00200040: cafecafe cafecafe cafecafe cafecafe    ................
-00200050: cafecafe cafecafe cafecafe cafecafe    ................
-00200060: cafecafe cafecafe cafecafe cafecafe    ................
-00200070: cafecafe cafecafe cafecafe cafecafe    ................
+00200000: 01234567 89abcdef 01234567 89abcdef    .#Eg.....#Eg....
+00200010: 01234567 89abcdef 01234567 89abcdef    .#Eg.....#Eg....
+00200020: 01234567 89abcdef 01234567 89abcdef    .#Eg.....#Eg....
+00200030: 01234567 89abcdef 01234567 89abcdef    .#Eg.....#Eg....
+00200040: 01234567 89abcdef 01234567 89abcdef    .#Eg.....#Eg....
+00200050: 01234567 89abcdef 01234567 89abcdef    .#Eg.....#Eg....
+00200060: 01234567 89abcdef 01234567 89abcdef    .#Eg.....#Eg....
+00200070: 01234567 89abcdef 01234567 89abcdef    .#Eg.....#Eg....
 00200080: deadbeef deadbeef deadbeef deadbeef    ................
 00200090: deadbeef deadbeef deadbeef deadbeef    ................
 
-
 Injecting Multiple-Bit Errors
 -----------------------------
 
 1. Set more than 1 bit in Data Path Error Inject Mask
 
-=> ecc injectdatahi 5
+=> ecc injectdatahi 1
+=> ecc injectdatalo 1
 
 2. Run test over some memory region
 
-=> ecc test 200000 10
+=> ecc testword 200000 1
 
 3. Check ECC status
 
 => ecc status
 ...
-Memory Data Path Error Injection Mask High/Low: 00000005 00000000
+Memory Data Path Error Injection Mask High/Low: 00000001 00000001
 ...
 Memory Error Detect:
-  Multiple Memory Errors: 1
+  Multiple Memory Errors: 0
   Multiple-Bit Error: 1
   Single-Bit Error: 0
 ...
 
-Observe that both Multiple Memory Errors and Multiple-Bit Error flags are set.
+The Multiple Memory Errors flags not set and Multiple-Bit Error flags are set.
 
-4. Make sure used memory region got re-initialized with 0xcafecafe pattern
+4. Make sure used memory region got re-initialized with 0x0123456789abcdef
 
 => md 200000
-00200000: cafecafe cafecafe cafecafe cafecafe    ................
-00200010: cafecafe cafecafe cafecafe cafecafe    ................
-00200020: cafecafe cafecafe cafecafe cafecafe    ................
-00200030: cafecafe cafecafe cafecafe cafecafe    ................
-00200040: cafecafe cafecafe cafecafe cafecafe    ................
-00200050: cafecafe cafecafe cafecafe cafecafe    ................
-00200060: cafecafe cafecafe cafecafe cafecafe    ................
-00200070: cafecafe cafecafe cafecafe cafecafe    ................
+00200000: 01234567 89abcdef 01234567 89abcdef    .#Eg.....#Eg....
+00200010: 01234567 89abcdef 01234567 89abcdef    .#Eg.....#Eg....
+00200020: 01234567 89abcdef 01234567 89abcdef    .#Eg.....#Eg....
+00200030: 01234567 89abcdef 01234567 89abcdef    .#Eg.....#Eg....
+00200040: 01234567 89abcdef 01234567 89abcdef    .#Eg.....#Eg....
+00200050: 01234567 89abcdef 01234567 89abcdef    .#Eg.....#Eg....
+00200060: 01234567 89abcdef 01234567 89abcdef    .#Eg.....#Eg....
+00200070: 01234567 89abcdef 01234567 89abcdef    .#Eg.....#Eg....
 00200080: deadbeef deadbeef deadbeef deadbeef    ................
 00200090: deadbeef deadbeef deadbeef deadbeef    ................
 
@@ -140,7 +140,7 @@ Test Single-Bit Error Counter and Threshold
 ...
 Memory Single-Bit Error Management (0..255):
   Single-Bit Error Threshold: 255
-  Single Bit Error Counter: 60
+  Single Bit Error Counter: 199
 
 Memory Error Detect:
   Multiple Memory Errors: 1