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-rw-r--r--board/keymile/km_arm/kwbimage-memphis.cfg6
-rw-r--r--board/keymile/km_arm/kwbimage.cfg6
-rw-r--r--board/keymile/km_arm/kwbimage_128M16_1.cfg25
-rw-r--r--board/keymile/km_arm/kwbimage_256M8_1.cfg25
4 files changed, 10 insertions, 52 deletions
diff --git a/board/keymile/km_arm/kwbimage-memphis.cfg b/board/keymile/km_arm/kwbimage-memphis.cfg
index 6df2ad7902..5aa0de2528 100644
--- a/board/keymile/km_arm/kwbimage-memphis.cfg
+++ b/board/keymile/km_arm/kwbimage-memphis.cfg
@@ -55,9 +55,9 @@ DATA 0xFFD10008 0x00001100 # MPP Control 2 Register
DATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register
DATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register
DATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register
-DATA 0xFFD20154 0x00000200 # CPU RAM Management Control3 Register
-DATA 0xFFD2014C 0x00001C00 # CPU RAM Management Control1 Register
-DATA 0xFFD20148 0x00000001 # CPU RAM Management Control0 Register
+
+# NOTE: Don't write on 0x20148 , 0x2014c and 0x20154, leave them untouched!
+# If not it could cause KW Exceptions during boot in Fast Corners/High Voltage
#Dram initalization
DATA 0xFFD01400 0x430004E0 # SDRAM Configuration Register
diff --git a/board/keymile/km_arm/kwbimage.cfg b/board/keymile/km_arm/kwbimage.cfg
index b2f51936f4..e5e9942c1a 100644
--- a/board/keymile/km_arm/kwbimage.cfg
+++ b/board/keymile/km_arm/kwbimage.cfg
@@ -52,9 +52,9 @@ DATA 0xFFD10008 0x00001100 # MPP Control 2 Register
DATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register
DATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register
DATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register
-DATA 0xFFD20154 0x00000200 # CPU RAM Management Control3 Register
-DATA 0xFFD2014C 0x00001C00 # CPU RAM Management Control1 Register
-DATA 0xFFD20148 0x00000001 # CPU RAM Management Control0 Register
+
+# NOTE: Don't write on 0x20148 , 0x2014c and 0x20154, leave them untouched!
+# If not it could cause KW Exceptions during boot in Fast Corners/High Voltage
#Dram initalization
DATA 0xFFD01400 0x43000400 # SDRAM Configuration Register
diff --git a/board/keymile/km_arm/kwbimage_128M16_1.cfg b/board/keymile/km_arm/kwbimage_128M16_1.cfg
index bcce9073f6..5de8df70fd 100644
--- a/board/keymile/km_arm/kwbimage_128M16_1.cfg
+++ b/board/keymile/km_arm/kwbimage_128M16_1.cfg
@@ -98,29 +98,8 @@ DATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register
# bit 19-18: 1, ECC RAM WTC RAM0
# bit 31-20: ???,Reserve
-DATA 0xFFD20154 0x00000200 # CPU RAM Management Control3 Register
-# bit 23-0: 0x000200, Addr Config tuning
-# bit 31-24: 0, Reserved
-
-# ??? Missing register # CPU RAM Management Control2 Register
-
-DATA 0xFFD2014C 0x00001C00 # CPU RAM Management Control1 Register
-# bit 15-0: 0x1C00, Opmux Tuning
-# bit 31-16: 0, Pc Dp Tuning
-
-DATA 0xFFD20148 0x00000001 # CPU RAM Management Control0 Register
-# bit 1-0: 1, addr clk tune
-# bit 3-2: 0, reserved
-# bit 5-4: 0, dtcmp clk tune
-# bit 7-6: 0, reserved
-# bit 9-8: 0, macdrv clk tune
-# bit 11-10: 0, opmuxgm2 clk tune
-# bit 15-14: 0, rf clk tune
-# bit 17-16: 0, rfbypass clk tune
-# bit 19-18: 0, pc dp clk tune
-# bit 23-20: 0, icache clk tune
-# bit 27:24: 0, dcache clk tune
-# bit 31:28: 0, regfile tunin
+# NOTE: Don't write on 0x20148 , 0x2014c and 0x20154, leave them untouched!
+# If not it could cause KW Exceptions during boot in Fast Corners/High Voltage
# SDRAM initalization
DATA 0xFFD01400 0x430004E0 # SDRAM Configuration Register
diff --git a/board/keymile/km_arm/kwbimage_256M8_1.cfg b/board/keymile/km_arm/kwbimage_256M8_1.cfg
index 3e1237bbe3..d0a09f61d2 100644
--- a/board/keymile/km_arm/kwbimage_256M8_1.cfg
+++ b/board/keymile/km_arm/kwbimage_256M8_1.cfg
@@ -100,29 +100,8 @@ DATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register
# bit 19-18: 1, ECC RAM WTC RAM0
# bit 31-20: ?,Reserved
-DATA 0xFFD20154 0x00000200 # CPU RAM Management Control3 Register
-# bit 23-0: 0x000200, Addr Config tuning
-# bit 31-24: 0, Reserved
-
-# ??? Missing register # CPU RAM Management Control2 Register
-
-DATA 0xFFD2014C 0x00001C00 # CPU RAM Management Control1 Register
-# bit 15-0: 0x1C00, Opmux Tuning
-# bit 31-16: 0, Pc Dp Tuning
-
-DATA 0xFFD20148 0x00000001 # CPU RAM Management Control0 Register
-# bit 1-0: 1, addr clk tune
-# bit 3-2: 0, reserved
-# bit 5-4: 0, dtcmp clk tune
-# bit 7-6: 0, reserved
-# bit 9-8: 0, macdrv clk tune
-# bit 11-10: 0, opmuxgm2 clk tune
-# bit 15-14: 0, rf clk tune
-# bit 17-16: 0, rfbypass clk tune
-# bit 19-18: 0, pc dp clk tune
-# bit 23-20: 0, icache clk tune
-# bit 27:24: 0, dcache clk tune
-# bit 31:28: 0, regfile tunin
+# NOTE: Don't write on 0x20148 , 0x2014c and 0x20154, leave them untouched!
+# If not it could cause KW Exceptions during boot in Fast Corners/High Voltage
# SDRAM initalization
DATA 0xFFD01400 0x430004E0 # SDRAM Configuration Register
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