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mx6sxsabresd: Update DDR initialization

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Use the latest DDR initialization values suggested by the FSL hardware team.

While at it, add some comments for clarification.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
This commit is contained in:
Fabio Estevam 2014-08-15 01:00:48 -03:00 committed by Stefano Babic
parent 5a82e1a21d
commit eb5c18078d
1 changed files with 58 additions and 31 deletions
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89
board/freescale/mx6sxsabresd/imximage.cfg
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@ -30,6 +30,7 @@ BOOT_FROM sd
* value value to be stored in the register
*/
/* Enable all clocks */
DATA 4 0x020c4068 0xffffffff
DATA 4 0x020c406c 0xffffffff
DATA 4 0x020c4070 0xffffffff
@ -39,46 +40,69 @@ DATA 4 0x020c407c 0xffffffff
DATA 4 0x020c4080 0xffffffff
DATA 4 0x020c4084 0xffffffff
/* IOMUX - DDR IO Type */
DATA 4 0x020e0618 0x000c0000
DATA 4 0x020e05fc 0x00000000
/* Clock */
DATA 4 0x020e032c 0x00000030
DATA 4 0x020e0300 0x00000030
DATA 4 0x020e02fc 0x00000030
DATA 4 0x020e05f4 0x00000030
DATA 4 0x020e0340 0x00000030
/* Address */
DATA 4 0x020e0300 0x00000020
DATA 4 0x020e02fc 0x00000020
DATA 4 0x020e05f4 0x00000020
/* Control */
DATA 4 0x020e0340 0x00000020
DATA 4 0x020e0320 0x00000000
DATA 4 0x020e0310 0x00000030
DATA 4 0x020e0314 0x00000030
DATA 4 0x020e0614 0x00000030
DATA 4 0x020e0310 0x00000020
DATA 4 0x020e0314 0x00000020
DATA 4 0x020e0614 0x00000020
/* Data Strobe */
DATA 4 0x020e05f8 0x00020000
DATA 4 0x020e0330 0x00000030
DATA 4 0x020e0334 0x00000030
DATA 4 0x020e0338 0x00000030
DATA 4 0x020e033c 0x00000030
DATA 4 0x020e0330 0x00000028
DATA 4 0x020e0334 0x00000028
DATA 4 0x020e0338 0x00000028
DATA 4 0x020e033c 0x00000028
/* Data */
DATA 4 0x020e0608 0x00020000
DATA 4 0x020e060c 0x00000030
DATA 4 0x020e0610 0x00000030
DATA 4 0x020e061c 0x00000030
DATA 4 0x020e0620 0x00000030
DATA 4 0x020e02ec 0x00000030
DATA 4 0x020e02f0 0x00000030
DATA 4 0x020e02f4 0x00000030
DATA 4 0x020e02f8 0x00000030
DATA 4 0x020e060c 0x00000028
DATA 4 0x020e0610 0x00000028
DATA 4 0x020e061c 0x00000028
DATA 4 0x020e0620 0x00000028
DATA 4 0x020e02ec 0x00000028
DATA 4 0x020e02f0 0x00000028
DATA 4 0x020e02f4 0x00000028
DATA 4 0x020e02f8 0x00000028
/* Calibrations - ZQ */
DATA 4 0x021b0800 0xa1390003
DATA 4 0x021b080c 0x00270025
DATA 4 0x021b0810 0x001B001E
DATA 4 0x021b083c 0x4144013C
DATA 4 0x021b0840 0x01300128
DATA 4 0x021b0848 0x4044464A
DATA 4 0x021b0850 0x3A383C34
/* Write leveling */
DATA 4 0x021b080c 0x00290025
DATA 4 0x021b0810 0x00220022
/* DQS Read Gate */
DATA 4 0x021b083c 0x41480144
DATA 4 0x021b0840 0x01340130
/* Read/Write Delay */
DATA 4 0x021b0848 0x3C3E4244
DATA 4 0x021b0850 0x34363638
/* Read data bit delay */
DATA 4 0x021b081c 0x33333333
DATA 4 0x021b0820 0x33333333
DATA 4 0x021b0824 0x33333333
DATA 4 0x021b0828 0x33333333
/* Complete calibration by forced measurement */
DATA 4 0x021b08b8 0x00000800
/* MMDC init - DDR3, 64-bit mode, only MMDC0 is initiated */
DATA 4 0x021b0004 0x0002002d
DATA 4 0x021b0008 0x00333030
DATA 4 0x021b000c 0x676b52f3
@ -90,16 +114,19 @@ DATA 4 0x021b002c 0x000026d2
DATA 4 0x021b0030 0x006b1023
DATA 4 0x021b0040 0x0000005f
DATA 4 0x021b0000 0x84190000
/* Initialize MT41K256M16HA-125 - MR2 */
DATA 4 0x021b001c 0x04008032
/* MR3 */
DATA 4 0x021b001c 0x00008033
DATA 4 0x021b001c 0x00068031
/* MR1 */
DATA 4 0x021b001c 0x00048031
/* MR0 */
DATA 4 0x021b001c 0x05208030
/* DDR device ZQ calibration */
DATA 4 0x021b001c 0x04008040
/* Final DDR setup, before operation start */
DATA 4 0x021b0020 0x00000800
DATA 4 0x021b0818 0x00011117
DATA 4 0x021b001c 0x00000000
DATA 4 0x021b083c 0x41400138
DATA 4 0x021b0840 0x012C011C
DATA 4 0x021b0848 0x3C3C4044
DATA 4 0x021b0850 0x34343638