From 3a21773129f6ef218f1978d05a1a5d5cf6801ab6 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Fri, 3 Jan 2014 15:55:58 -0200 Subject: 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 . Signed-off-by: Jon Nettleton Signed-off-by: Fabio Estevam --- .../mx6-microsom/ddr-800mhz-32bit-setup.cfg | 76 ++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 board/solidrun/mx6-microsom/ddr-800mhz-32bit-setup.cfg (limited to 'board/solidrun/mx6-microsom/ddr-800mhz-32bit-setup.cfg') 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 0000000000..f92fc19de4 --- /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 + * + * 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 -- cgit v1.2.1