upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/toradex/colibri_imx6/ddr-setup.cfg

99 lines
3.0 KiB

/*
* Copyright (C) 2013 Boundary Devices
* Copyright (C) 2014-2016, Toradex AG
*
* SPDX-License-Identifier: GPL-2.0+
*
* Device Configuration Data (DCD)
*
* Each entry must have the format:
* Addr-type Address Value
*
* where:
* Addr-type register length (1,2 or 4 bytes)
* Address absolute address of the register
* value value to be stored in the register
*/
/*
* DDR3 settings
* MX6Q ddr is limited to 1066 Mhz currently 1056 MHz(528 MHz clock),
* memory bus width: 64 bits x16/x32/x64
* MX6DL ddr is limited to 800 MHz(400 MHz clock)
* memory bus width: 64 bits x16/x32/x64
* MX6SOLO ddr is limited to 800 MHz(400 MHz clock)
* memory bus width: 32 bits x16/x32
*/
DATA 4, MX6_IOM_DRAM_SDQS0, 0x00000030
DATA 4, MX6_IOM_DRAM_SDQS1, 0x00000030
DATA 4, MX6_IOM_DRAM_SDQS2, 0x00000030
DATA 4, MX6_IOM_DRAM_SDQS3, 0x00000030
DATA 4, MX6_IOM_DRAM_SDQS4, 0x00000030
DATA 4, MX6_IOM_DRAM_SDQS5, 0x00000030
DATA 4, MX6_IOM_DRAM_SDQS6, 0x00000030
DATA 4, MX6_IOM_DRAM_SDQS7, 0x00000030
DATA 4, MX6_IOM_GRP_B0DS, 0x00000030
DATA 4, MX6_IOM_GRP_B1DS, 0x00000030
DATA 4, MX6_IOM_GRP_B2DS, 0x00000030
DATA 4, MX6_IOM_GRP_B3DS, 0x00000030
DATA 4, MX6_IOM_GRP_B4DS, 0x00000030
DATA 4, MX6_IOM_GRP_B5DS, 0x00000030
DATA 4, MX6_IOM_GRP_B6DS, 0x00000030
DATA 4, MX6_IOM_GRP_B7DS, 0x00000030
DATA 4, MX6_IOM_GRP_ADDDS, 0x00000030
/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
DATA 4, MX6_IOM_GRP_CTLDS, 0x00000030
DATA 4, MX6_IOM_DRAM_DQM0, 0x00020030
DATA 4, MX6_IOM_DRAM_DQM1, 0x00020030
DATA 4, MX6_IOM_DRAM_DQM2, 0x00020030
DATA 4, MX6_IOM_DRAM_DQM3, 0x00020030
DATA 4, MX6_IOM_DRAM_DQM4, 0x00020030
DATA 4, MX6_IOM_DRAM_DQM5, 0x00020030
DATA 4, MX6_IOM_DRAM_DQM6, 0x00020030
DATA 4, MX6_IOM_DRAM_DQM7, 0x00020030
DATA 4, MX6_IOM_DRAM_CAS, 0x00020030
DATA 4, MX6_IOM_DRAM_RAS, 0x00020030
DATA 4, MX6_IOM_DRAM_SDCLK_0, 0x00020030
DATA 4, MX6_IOM_DRAM_SDCLK_1, 0x00020030
DATA 4, MX6_IOM_DRAM_RESET, 0x00020030
DATA 4, MX6_IOM_DRAM_SDCKE0, 0x00003000
DATA 4, MX6_IOM_DRAM_SDCKE1, 0x00003000
DATA 4, MX6_IOM_DRAM_SDODT0, 0x00003030
DATA 4, MX6_IOM_DRAM_SDODT1, 0x00003030
/* (differential input) */
DATA 4, MX6_IOM_DDRMODE_CTL, 0x00020000
/* (differential input) */
DATA 4, MX6_IOM_GRP_DDRMODE, 0x00020000
/* disable ddr pullups */
DATA 4, MX6_IOM_GRP_DDRPKE, 0x00000000
DATA 4, MX6_IOM_DRAM_SDBA2, 0x00000000
/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
DATA 4, MX6_IOM_GRP_DDR_TYPE, 0x000C0000
/* Read data DQ Byte0-3 delay */
DATA 4, MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333
DATA 4, MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333
DATA 4, MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333
DATA 4, MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333
DATA 4, MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333
DATA 4, MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333
DATA 4, MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333
DATA 4, MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333
/*
* MDMISC mirroring interleaved (row/bank/col)
*/
/* TODO: check what the RALAT field does */
DATA 4, MX6_MMDC_P0_MDMISC, 0x00081740
/*
* MDSCR con_req
*/
DATA 4, MX6_MMDC_P0_MDSCR, 0x00008000