mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-26 20:09:02 +09:00
![Boris BREZILLON](/assets/img/avatar_default.png)
Add basic SECO MX6Q/uQ7 board support (Ethernet, UART, SD are supported). It also adds a Kconfig skeleton to later add more SECO board (supporting SoC and board variants). Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
174 lines
4.9 KiB
INI
174 lines
4.9 KiB
INI
/*
|
|
* Copyright (C) 2013 Seco USA Inc
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0
|
|
*
|
|
* Refer doc/README.imximage for more details about how-to configure
|
|
* and create imximage boot image
|
|
*
|
|
* The syntax is taken as close as possible with the kwbimage
|
|
*/
|
|
|
|
/* image version */
|
|
IMAGE_VERSION 2
|
|
|
|
/*
|
|
* Boot Device : one of
|
|
* spi, sd (the board has no nand neither onenand)
|
|
*/
|
|
BOOT_FROM sd
|
|
|
|
#define __ASSEMBLY__
|
|
#include <config.h>
|
|
#include "asm/arch/mx6-ddr.h"
|
|
#include "asm/arch/iomux.h"
|
|
#include "asm/arch/crm_regs.h"
|
|
|
|
/* DDR IO TYPE */
|
|
DATA 4, MX6_IOM_GRP_DDRPKE, 0x00000000
|
|
DATA 4, MX6_IOM_GRP_DDR_TYPE, 0x000C0000
|
|
|
|
/* DATA STROBE */
|
|
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, 0x00000028
|
|
DATA 4, MX6_IOM_DRAM_SDQS5, 0x00000028
|
|
DATA 4, MX6_IOM_DRAM_SDQS6, 0x00000028
|
|
DATA 4, MX6_IOM_DRAM_SDQS7, 0x00000028
|
|
|
|
/* DATA */
|
|
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, 0x00000028
|
|
DATA 4, MX6_IOM_GRP_B5DS, 0x00000028
|
|
DATA 4, MX6_IOM_GRP_B6DS, 0x00000028
|
|
DATA 4, MX6_IOM_GRP_B7DS, 0x00000028
|
|
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, 0x00000028
|
|
DATA 4, MX6_IOM_DRAM_DQM5, 0x00000028
|
|
DATA 4, MX6_IOM_DRAM_DQM6, 0x00000028
|
|
DATA 4, MX6_IOM_DRAM_DQM7, 0x00000028
|
|
/* ADDRESS */
|
|
DATA 4, MX6_IOM_GRP_ADDDS, 0x00000028
|
|
DATA 4, MX6_IOM_DRAM_CAS, 0x00000028
|
|
DATA 4, MX6_IOM_DRAM_RAS, 0x00000028
|
|
|
|
/* CONTROL */
|
|
DATA 4, MX6_IOM_GRP_CTLDS, 0x00000030
|
|
DATA 4, MX6_IOM_DRAM_RESET, 0x00000028
|
|
DATA 4, MX6_IOM_DRAM_SDBA2, 0x00000000
|
|
DATA 4, MX6_IOM_DRAM_SDODT0, 0x00000028
|
|
DATA 4, MX6_IOM_DRAM_SDODT1, 0x00000028
|
|
|
|
/* CLOCK */
|
|
DATA 4, MX6_IOM_DRAM_SDCLK_0, 0x00000028
|
|
DATA 4, MX6_IOM_DRAM_SDCLK_1, 0x00000028
|
|
|
|
/*
|
|
* DDR3 SETTINGS
|
|
* Read Data Bit 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
|
|
|
|
|
|
/* Write Leveling */
|
|
DATA 4, MX6_MMDC_P0_MPWLDECTRL0, 0x001F001F
|
|
DATA 4, MX6_MMDC_P0_MPWLDECTRL1, 0x001F001F
|
|
DATA 4, MX6_MMDC_P1_MPWLDECTRL0, 0x001F0001
|
|
DATA 4, MX6_MMDC_P1_MPWLDECTRL1, 0x001F001F
|
|
|
|
/* DQS gating, read delay, write delay calibration values */
|
|
DATA 4, MX6_MMDC_P0_MPDGCTRL0, 0x431A0326
|
|
DATA 4, MX6_MMDC_P0_MPDGCTRL1, 0x0323031B
|
|
DATA 4, MX6_MMDC_P1_MPDGCTRL0, 0x433F0340
|
|
DATA 4, MX6_MMDC_P1_MPDGCTRL1, 0x0345031C
|
|
|
|
/* Read calibration */
|
|
DATA 4, MX6_MMDC_P0_MPRDDLCTL, 0x40343137
|
|
DATA 4, MX6_MMDC_P1_MPRDDLCTL, 0x40372F45
|
|
|
|
/* write calibration */
|
|
DATA 4, MX6_MMDC_P0_MPWRDLCTL, 0x32414741
|
|
DATA 4, MX6_MMDC_P1_MPWRDLCTL, 0x4731473C
|
|
|
|
/* Complete calibration by forced measurement: */
|
|
DATA 4, MX6_MMDC_P0_MPMUR0, 0x00000800
|
|
DATA 4, MX6_MMDC_P1_MPMUR0, 0x00000800
|
|
|
|
/*
|
|
* MMDC init:
|
|
* in DDR3, 64-bit mode, only MMDC0 is init
|
|
*/
|
|
DATA 4, MX6_MMDC_P0_MDPDC, 0x00020036
|
|
DATA 4, MX6_MMDC_P0_MDOTC, 0x09444040
|
|
|
|
DATA 4, MX6_MMDC_P0_MDCFG0, 0x898E7955
|
|
DATA 4, MX6_MMDC_P0_MDCFG1, 0xFF328F64
|
|
DATA 4, MX6_MMDC_P0_MDCFG2, 0x01FF00DB
|
|
|
|
DATA 4, MX6_MMDC_P0_MDMISC, 0x00001740
|
|
DATA 4, MX6_MMDC_P0_MDSCR, 0x00008000
|
|
DATA 4, MX6_MMDC_P0_MDRWD, 0x000026D2
|
|
DATA 4, MX6_MMDC_P0_MDOR, 0x008E1023
|
|
|
|
/* CS0_END = 2304MB in step da 256Mb -> [(2304*8/256) - 1] */
|
|
DATA 4, MX6_MMDC_P0_MDASP, 0x00000047
|
|
|
|
/* SDE_1=0; ROW=3; BL=1; DSIZ=2 -> 64 bit */
|
|
DATA 4, MX6_MMDC_P0_MDCTL, 0x841A0000
|
|
|
|
/* Initialize DDR3 on CS_0 and CS_1 */
|
|
DATA 4, MX6_MMDC_P0_MDSCR, 0x02088032
|
|
DATA 4, MX6_MMDC_P0_MDSCR, 0x00008033
|
|
DATA 4, MX6_MMDC_P0_MDSCR, 0x00048031
|
|
|
|
/* P0 01c */
|
|
/* write 0x0940 to MR0 bank_0 (Burst Type=1 (Interlived)) */
|
|
DATA 4, MX6_MMDC_P0_MDSCR, 0x09408030
|
|
|
|
/*ZQ - Calibrationi */
|
|
DATA 4, MX6_MMDC_P0_MPZQHWCTRL, 0xa1390003
|
|
DATA 4, MX6_MMDC_P0_MDSCR, 0x04008040
|
|
DATA 4, MX6_MMDC_P0_MDREF, 0x00007800
|
|
|
|
DATA 4, MX6_MMDC_P0_MPODTCTRL, 0x00022227
|
|
DATA 4, MX6_MMDC_P1_MPODTCTRL, 0x00022227
|
|
|
|
DATA 4, MX6_MMDC_P0_MDPDC, 0x00025576
|
|
|
|
DATA 4, MX6_MMDC_P0_MAPSR, 0x00011006
|
|
DATA 4, MX6_MMDC_P0_MDSCR, 0x00000000
|
|
|
|
/* set the default clock gate to save power */
|
|
DATA 4, CCM_CCGR0, 0x00C03F3F
|
|
DATA 4, CCM_CCGR1, 0x0030FC03
|
|
DATA 4, CCM_CCGR2, 0x0FFFC000
|
|
DATA 4, CCM_CCGR3, 0x3FF00000
|
|
DATA 4, CCM_CCGR4, 0x00FFF300
|
|
DATA 4, CCM_CCGR5, 0x0F0000C3
|
|
DATA 4, CCM_CCGR6, 0x000003FF
|
|
|
|
/* enable AXI cache for VDOA/VPU/IPU */
|
|
DATA 4, MX6_IOMUXC_GPR4, 0xF00000FF
|
|
|
|
/* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
|
|
DATA 4, MX6_IOMUXC_GPR6, 0x007F007F
|
|
DATA 4, MX6_IOMUXC_GPR7, 0x007F007F
|
|
|