diff options
| author | Heiko Schocher <hs@denx.de> | 2011-02-22 09:34:33 +0100 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-04-30 00:45:00 +0200 |
| commit | 1ebbb77a194788424e519955f6b04dda8aa7e625 (patch) | |
| tree | b35ddaa429299aff20672008272fecdf8c47a09c /board/keymile/km_arm | |
| parent | 44097e26cce5b4ce4f64d15880a5a60524212ddf (diff) | |
km_arm: change some register values for SDRAM initialization
These new values are:
- enables UART0 and UART1 pins in MPP
- define some L2 cache settings
- changes a SDRAM timing to better fit the hardware
- removed three writes that were the same as the reset values
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Signed-off-by: Heiko Schocher <hs@denx.de>
cc: Holger Brunck <holger.brunck@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
Diffstat (limited to 'board/keymile/km_arm')
| -rw-r--r-- | board/keymile/km_arm/kwbimage.cfg | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/board/keymile/km_arm/kwbimage.cfg b/board/keymile/km_arm/kwbimage.cfg index 26d6aa09d..b2f51936f 100644 --- a/board/keymile/km_arm/kwbimage.cfg +++ b/board/keymile/km_arm/kwbimage.cfg @@ -27,16 +27,18 @@ # Boot Media configurations BOOT_FROM spi # Boot from SPI flash -DATA 0xFFD10000 0x01111111 # MPP Control 0 Register -# bit 3-0: MPPSel0 1, NF_IO[2] -# bit 7-4: MPPSel1 1, NF_IO[3] -# bit 12-8: MPPSel2 1, NF_IO[4] -# bit 15-12: MPPSel3 1, NF_IO[5] +DATA 0xFFD10000 0x01112222 # MPP Control 0 Register +# bit 3-0: MPPSel0 2, NF_IO[2] +# bit 7-4: MPPSel1 2, NF_IO[3] +# bit 12-8: MPPSel2 2, NF_IO[4] +# bit 15-12: MPPSel3 2, NF_IO[5] # bit 19-16: MPPSel4 1, NF_IO[6] # bit 23-20: MPPSel5 1, NF_IO[7] # bit 27-24: MPPSel6 1, SYSRST_O # bit 31-28: MPPSel7 0, GPO[7] +DATA 0xFFD10004 0x03303300 + DATA 0xFFD10008 0x00001100 # MPP Control 2 Register # bit 3-0: MPPSel16 0, GPIO[16] # bit 7-4: MPPSel17 0, GPIO[17] @@ -48,8 +50,8 @@ DATA 0xFFD10008 0x00001100 # MPP Control 2 Register # bit 31-28: MPPSel23 0, GPIO[23] DATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register -DATA 0xFFD20134 0xBBBBBBBB # L2 RAM Timing 0 Register -DATA 0xFFD20138 0x00BBBBBB # L2 RAM Timing 1 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 @@ -63,7 +65,7 @@ DATA 0xFFD01400 0x43000400 # SDRAM Configuration Register # bit29-26: zero # bit31-30: 01 -DATA 0xFFD01404 0x36343000 # DDR Controller Control Low +DATA 0xFFD01404 0x39543000 # DDR Controller Control Low # bit 3-0: 0 reserved # bit 4: 0=addr/cmd in smame cycle # bit 5: 0=clk is driven during self refresh, we don't care for APX @@ -75,7 +77,7 @@ DATA 0xFFD01404 0x36343000 # DDR Controller Control Low # bit30-28: 3 required # bit31: 0=no additional STARTBURST delay -DATA 0xFFD01408 0x2302544B # DDR Timing (Low) (active cycles value +1) +DATA 0xFFD01408 0x34136552 # DDR Timing (Low) (active cycles value +1) # bit3-0: TRAS lsbs # bit7-4: TRCD # bit11- 8: TRP @@ -86,7 +88,7 @@ DATA 0xFFD01408 0x2302544B # DDR Timing (Low) (active cycles value +1) # bit27-24: TRRD # bit31-28: TRTP -DATA 0xFFD0140C 0x00000032 # DDR Timing (High) +DATA 0xFFD0140C 0x00000033 # DDR Timing (High) # bit6-0: TRFC # bit8-7: TR2R # bit10-9: TR2W @@ -116,8 +118,8 @@ DATA 0xFFD01418 0x00000000 # DDR Operation # bit3-0: 0x0, DDR cmd # bit31-4: 0 required -DATA 0xFFD0141C 0x00000642 # DDR Mode -DATA 0xFFD01420 0x00000040 # DDR Extended Mode +DATA 0xFFD0141C 0x00000652 # DDR Mode +DATA 0xFFD01420 0x00000044 # DDR Extended Mode # bit0: 0, DDR DLL enabled # bit1: 0, DDR drive strenght normal # bit2: 1, DDR ODT control lsd disabled @@ -140,6 +142,8 @@ DATA 0xFFD01424 0x0000F07F # DDR Controller Control High # bit11 : 0 , 1/4 clock cycle skew disabled for write mesh # bit15-12: 1111 required # bit31-16: 0 required +DATA 0xFFD01428 0x00074510 +DATA 0xFFD0147c 0x00007451 DATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0 DATA 0xFFD01504 0x07FFFFF1 # CS[0]n Size @@ -153,7 +157,7 @@ DATA 0xFFD0150C 0x00000000 # CS[1]n Size, window disabled DATA 0xFFD01514 0x00000000 # CS[2]n Size, window disabled DATA 0xFFD0151C 0x00000000 # CS[3]n Size, window disabled -DATA 0xFFD01494 0x00000000 # DDR ODT Control (Low) +DATA 0xFFD01494 0x00010001 # DDR ODT Control (Low) # bit3-0: 0, ODT0Rd, MODT[0] asserted during read from DRAM CS0 # bit19-16:0, ODT0Wr, MODT[0] asserted during write to DRAM CS0 @@ -162,7 +166,7 @@ DATA 0xFFD01498 0x00000000 # DDR ODT Control (High) # bit3-2: 00, ODT1 controlled by register # bit31-4: zero, required -DATA 0xFFD0149C 0x0000E90F # CPU ODT Control +DATA 0xFFD0149C 0x0000FC11 # CPU ODT Control # bit3-0: F, ODT0Rd, Internal ODT asserted during read from DRAM bank0 # bit7-4: 0, ODT0Wr, Internal ODT asserted during write to DRAM bank0 # bit9-8: 1, ODTEn, never active |