mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 15:37:23 +00:00
f3a8e2b7d4
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 <B48286@freescale.com> Signed-off-by: Li Yang <leoli@freescale.com> Signed-off-by: Mingkai Hu <Mingkai.Hu@freescale.com> Signed-off-by: York Sun <yorksun@freescale.com> Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com>
45 lines
1 KiB
C
45 lines
1 KiB
C
/*
|
|
* 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
|