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author | Fabio Estevam <fabio.estevam@freescale.com> | 2014-01-03 15:55:58 -0200 |
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committer | Stefano Babic <sbabic@denx.de> | 2014-01-15 10:33:25 +0100 |
commit | 3a21773129f6ef218f1978d05a1a5d5cf6801ab6 (patch) | |
tree | cc0839f6d06048b4ef9a1d292316798b77ebc6b6 /board/solidrun/mx6-microsom/ddr-800mhz-32bit-setup.cfg | |
parent | 5f98d0b5d3038cb3345712bc779efacaba4322f7 (diff) | |
download | u-boot-imx-3a21773129f6ef218f1978d05a1a5d5cf6801ab6.zip u-boot-imx-3a21773129f6ef218f1978d05a1a5d5cf6801ab6.tar.gz u-boot-imx-3a21773129f6ef218f1978d05a1a5d5cf6801ab6.tar.bz2 |
mx6: Add initial support for the Hummingboard solo
SolidRun has designed the Hummingboard board based on mx6q/dl/solo.
Add the initial support for the mx6 solo variant.
More information about this hardware can be found at:
http://imx.solid-run.com/wiki/index.php?title=Carrier-One_Hardware
(Carrier-One was the previous name of Hummingboard).
Based on the work from Jon Nettleton <jon.nettleton@gmail.com>.
Signed-off-by: Jon Nettleton <jon.nettleton@gmail.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Diffstat (limited to 'board/solidrun/mx6-microsom/ddr-800mhz-32bit-setup.cfg')
-rw-r--r-- | board/solidrun/mx6-microsom/ddr-800mhz-32bit-setup.cfg | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/board/solidrun/mx6-microsom/ddr-800mhz-32bit-setup.cfg b/board/solidrun/mx6-microsom/ddr-800mhz-32bit-setup.cfg new file mode 100644 index 0000000..f92fc19 --- /dev/null +++ b/board/solidrun/mx6-microsom/ddr-800mhz-32bit-setup.cfg @@ -0,0 +1,76 @@ +/* + * Copyright (C) 2013 Boundary Devices + * Copyright (C) 2013 SolidRun ltd. + * Copyright (C) 2013 Jon Nettleton <jon.nettleton@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * 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 + */ +/* DDR IO TYPE */ +DATA 4, MX6_IOM_GRP_DDR_TYPE, 0x000c0000 +DATA 4, MX6_IOM_GRP_DDRPKE, 0x00000000 +/* Clock */ +DATA 4, MX6_IOM_DRAM_SDCLK_0, 0x00000028 +DATA 4, MX6_IOM_DRAM_SDCLK_1, 0x00000028 +/* Address */ +DATA 4, MX6_IOM_DRAM_CAS, 0x00000010 +DATA 4, MX6_IOM_DRAM_RAS, 0x00000010 +DATA 4, MX6_IOM_GRP_ADDDS, 0x00000010 +/* Control */ +DATA 4, MX6_IOM_DRAM_RESET, 0x00000010 +DATA 4, MX6_IOM_DRAM_SDCKE0, 0x00003000 +DATA 4, MX6_IOM_DRAM_SDCKE1, 0x00003000 +DATA 4, MX6_IOM_DRAM_SDBA2, 0x00000000 +DATA 4, MX6_IOM_DRAM_SDODT0, 0x00000010 +DATA 4, MX6_IOM_DRAM_SDODT1, 0x00000010 +DATA 4, MX6_IOM_GRP_CTLDS, 0x00000010 + +/* + * Data Strobe: IOMUXC_SW_PAD_CTL_GRP_DDRMODE_CTL - DDR_INPUT=0, CMOS, + * CMOS mode saves power, but have less timing margin in case of DDR + * timing issue on your board you can try DDR_MODE: [= 0x00020000] + */ +DATA 4, MX6_IOM_DDRMODE_CTL, 0x00020000 + +DATA 4, MX6_IOM_DRAM_SDQS0, 0x00000028 +DATA 4, MX6_IOM_DRAM_SDQS1, 0x00000028 +DATA 4, MX6_IOM_DRAM_SDQS2, 0x00000028 +DATA 4, MX6_IOM_DRAM_SDQS3, 0x00000028 +DATA 4, MX6_IOM_DRAM_SDQS4, 0x00000000 +DATA 4, MX6_IOM_DRAM_SDQS5, 0x00000000 +DATA 4, MX6_IOM_DRAM_SDQS6, 0x00000000 +DATA 4, MX6_IOM_DRAM_SDQS7, 0x00000000 + +/* + * DATA:IOMUXC_SW_PAD_CTL_GRP_DDRMODE - DDR_INPUT=0, CMOS, + * CMOS mode saves power, but have less timing margin in case of DDR + * timing issue on your board you can try DDR_MODE: [= 0x00020000] + */ +DATA 4, MX6_IOM_GRP_DDRMODE, 0x00020000 + +DATA 4, MX6_IOM_GRP_B0DS, 0x00000028 +DATA 4, MX6_IOM_GRP_B1DS, 0x00000028 +DATA 4, MX6_IOM_GRP_B2DS, 0x00000028 +DATA 4, MX6_IOM_GRP_B3DS, 0x00000028 +DATA 4, MX6_IOM_GRP_B4DS, 0x00000000 +DATA 4, MX6_IOM_GRP_B5DS, 0x00000000 +DATA 4, MX6_IOM_GRP_B6DS, 0x00000000 +DATA 4, MX6_IOM_GRP_B7DS, 0x00000000 + +DATA 4, MX6_IOM_DRAM_DQM0, 0x00000028 +DATA 4, MX6_IOM_DRAM_DQM1, 0x00000028 +DATA 4, MX6_IOM_DRAM_DQM2, 0x00000028 +DATA 4, MX6_IOM_DRAM_DQM3, 0x00000028 +DATA 4, MX6_IOM_DRAM_DQM4, 0x00000000 +DATA 4, MX6_IOM_DRAM_DQM5, 0x00000000 +DATA 4, MX6_IOM_DRAM_DQM6, 0x00000000 +DATA 4, MX6_IOM_DRAM_DQM7, 0x00000000 |