diff options
Diffstat (limited to 'board/udoo/ddr-setup.cfg')
| -rw-r--r-- | board/udoo/ddr-setup.cfg | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/board/udoo/ddr-setup.cfg b/board/udoo/ddr-setup.cfg new file mode 100644 index 0000000..78cbe17 --- /dev/null +++ b/board/udoo/ddr-setup.cfg @@ -0,0 +1,87 @@ +/* + * Copyright (C) 2013 Boundary Devices + * + * 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 + |