From f3a8e2b7d41ca9039e934b5a59899dd57c577fa3 Mon Sep 17 00:00:00 2001 From: Mingkai Hu Date: Mon, 26 Oct 2015 19:47:52 +0800 Subject: armv8/ls1043ardb: Add LS1043ARDB board support LS1043ARDB Specification: ------------------------- Memory subsystem: * 2GByte DDR4 SDRAM (32bit bus) * 128 Mbyte NOR flash single-chip memory * 512 Mbyte NAND flash * 16 Mbyte high-speed SPI flash * SD connector to interface with the SD memory card Ethernet: * XFI 10G port * QSGMII with 4x 1G ports * Two RGMII ports PCIe: * PCIe2 (Lanes C) to mini-PCIe slot * PCIe3 (Lanes D) to PCIe slot USB 3.0: two super speed USB 3.0 type A ports UART: supports two UARTs up to 115200 bps for console Signed-off-by: Hou Zhiqiang Signed-off-by: Li Yang Signed-off-by: Mingkai Hu Signed-off-by: York Sun Signed-off-by: Gong Qianyu --- board/freescale/ls1043ardb/ddr.h | 45 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 board/freescale/ls1043ardb/ddr.h (limited to 'board/freescale/ls1043ardb/ddr.h') diff --git a/board/freescale/ls1043ardb/ddr.h b/board/freescale/ls1043ardb/ddr.h new file mode 100644 index 0000000..b17eb80 --- /dev/null +++ b/board/freescale/ls1043ardb/ddr.h @@ -0,0 +1,45 @@ +/* + * Copyright 2015 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __DDR_H__ +#define __DDR_H__ +struct board_specific_parameters { + u32 n_ranks; + u32 datarate_mhz_high; + u32 rank_gb; + u32 clk_adjust; + u32 wrlvl_start; + u32 wrlvl_ctl_2; + u32 wrlvl_ctl_3; + u32 cpo_override; + u32 write_data_delay; + u32 force_2t; +}; + +/* + * These tables contain all valid speeds we want to override with board + * specific parameters. datarate_mhz_high values need to be in ascending order + * for each n_ranks group. + */ +static const struct board_specific_parameters udimm0[] = { + /* + * memory controller 0 + * num| hi| rank| clk| wrlvl | wrlvl | wrlvl | cpo |wrdata|2T + * ranks| mhz| GB |adjst| start | ctl2 | ctl3 | |delay | + */ +#ifdef CONFIG_SYS_FSL_DDR4 + {1, 1666, 0, 6, 7, 0x07090800, 0x00000000,}, + {1, 1900, 0, 6, 7, 0x07090800, 0x00000000,}, + {1, 2200, 0, 6, 7, 0x07090800, 0x00000000,}, +#endif + {} +}; + +static const struct board_specific_parameters *udimms[] = { + udimm0, +}; + +#endif -- cgit v1.1