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avionic design with actual uboot and tooling

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submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md
This commit is contained in:
Kevin
2026-03-03 21:46:32 +02:00
parent fe3ba02c96
commit 68d74d3181
11967 changed files with 2221897 additions and 0 deletions
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12
u-boot/board/bachmann/ot1200/Kconfig Normal file
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if TARGET_OT1200
config SYS_BOARD
default "ot1200"
config SYS_VENDOR
default "bachmann"
config SYS_CONFIG_NAME
default "ot1200"
endif

6
u-boot/board/bachmann/ot1200/MAINTAINERS Normal file
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BACHMANN ELECTRONIC OT1200 BOARD
M: Christian Gmeiner <christian.gmeiner@gmail.com>
S: Maintained
F: board/bachmann/ot1200
F: include/configs/ot1200.h
F: configs/ot1200*_defconfig

13
u-boot/board/bachmann/ot1200/Makefile Normal file
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#
# Copyright (C) 2012-2013, Guennadi Liakhovetski <lg@denx.de>
# (C) Copyright 2012-2013 Freescale Semiconductor, Inc.
# Copyright (C) 2013, Boundary Devices <info@boundarydevices.com>
#
# SPDX-License-Identifier: GPL-2.0+
#
ifdef CONFIG_SPL_BUILD
obj-y := ot1200.o ot1200_spl.o
else
obj-y := ot1200.o
endif

20
u-boot/board/bachmann/ot1200/README Normal file
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U-Boot for the Bachmann electronic GmbH OT1200 devices
There are two different versions of the base board, which differ
in the way ethernet is done. The variant detection is done during
runtime based on the address of the found phy.
- "mr" variant
FEC is connected directly to an ethernet switch (KSZ8895). The ethernet
port is always up and auto-negotiation is not possible.
- normal variant
FEC is connected to a normal phy and auto-negotiation is possible.
The variant name is part of the dtb file name loaded by u-boot. This
make is possible to boot the linux kernel and make use variant specific
devicetree (fixed-phy link).
In order to support different display resoltuions/sizes the OT1200 devices
are making use of EDID data stored in an i2c EEPROM.

155
u-boot/board/bachmann/ot1200/mx6q_4x_mt41j128.cfg Normal file
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/*
* Copyright (C) 2011 Freescale Semiconductor, Inc.
* Jason Liu <r64343@freescale.com>
*
* 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
/*
* Device Configuration Data (DCD)
*
* Each entry must have the format:
* Addr-type Address Value
*
* where:
* Addr-type register length (1,2 or 4 bytes)
* Address absolute address of the register
* value value to be stored in the register
*/
DATA 4 0x020e05a8 0x00000030
DATA 4 0x020e05b0 0x00000030
DATA 4 0x020e0524 0x00000030
DATA 4 0x020e051c 0x00000030
DATA 4 0x020e0518 0x00000030
DATA 4 0x020e050c 0x00000030
DATA 4 0x020e05b8 0x00000030
DATA 4 0x020e05c0 0x00000030
DATA 4 0x020e05ac 0x00020030
DATA 4 0x020e05b4 0x00020030
DATA 4 0x020e0528 0x00020030
DATA 4 0x020e0520 0x00020030
DATA 4 0x020e0514 0x00020030
DATA 4 0x020e0510 0x00020030
DATA 4 0x020e05bc 0x00020030
DATA 4 0x020e05c4 0x00020030
DATA 4 0x020e056c 0x00020030
DATA 4 0x020e0578 0x00020030
DATA 4 0x020e0588 0x00020030
DATA 4 0x020e0594 0x00020030
DATA 4 0x020e057c 0x00020030
DATA 4 0x020e0590 0x00003000
DATA 4 0x020e0598 0x00003000
DATA 4 0x020e058c 0x00000000
DATA 4 0x020e059c 0x00003030
DATA 4 0x020e05a0 0x00003030
DATA 4 0x020e0784 0x00000030
DATA 4 0x020e0788 0x00000030
DATA 4 0x020e0794 0x00000030
DATA 4 0x020e079c 0x00000030
DATA 4 0x020e07a0 0x00000030
DATA 4 0x020e07a4 0x00000030
DATA 4 0x020e07a8 0x00000030
DATA 4 0x020e0748 0x00000030
DATA 4 0x020e074c 0x00000030
DATA 4 0x020e0750 0x00020000
DATA 4 0x020e0758 0x00000000
DATA 4 0x020e0774 0x00020000
DATA 4 0x020e078c 0x00000030
DATA 4 0x020e0798 0x000C0000
DATA 4 0x021b081c 0x33333333
DATA 4 0x021b0820 0x33333333
DATA 4 0x021b0824 0x33333333
DATA 4 0x021b0828 0x33333333
DATA 4 0x021b481c 0x33333333
DATA 4 0x021b4820 0x33333333
DATA 4 0x021b4824 0x33333333
DATA 4 0x021b4828 0x33333333
DATA 4 0x021b0018 0x00081740
DATA 4 0x021b001c 0x00008000
DATA 4 0x021b000c 0x555A7974
DATA 4 0x021b0010 0xDB538F64
DATA 4 0x021b0014 0x01FF00DB
DATA 4 0x021b002c 0x000026D2
DATA 4 0x021b0030 0x005A1023
DATA 4 0x021b0008 0x09444040
DATA 4 0x021b0004 0x00025576
DATA 4 0x021b0040 0x00000027
DATA 4 0x021b0000 0x831A0000
DATA 4 0x021b001c 0x04088032
DATA 4 0x021b001c 0x0408803A
DATA 4 0x021b001c 0x00008033
DATA 4 0x021b001c 0x0000803B
DATA 4 0x021b001c 0x00428031
DATA 4 0x021b001c 0x00428039
DATA 4 0x021b001c 0x19308030
DATA 4 0x021b001c 0x19308038
DATA 4 0x021b001c 0x04008040
DATA 4 0x021b001c 0x04008048
DATA 4 0x021b0800 0xA1380003
DATA 4 0x021b4800 0xA1380003
DATA 4 0x021b0020 0x00005800
DATA 4 0x021b0818 0x00022227
DATA 4 0x021b4818 0x00022227
DATA 4 0x021b083c 0x434B0350
DATA 4 0x021b0840 0x034C0359
DATA 4 0x021b483c 0x434B0350
DATA 4 0x021b4840 0x03650348
DATA 4 0x021b0848 0x4436383B
DATA 4 0x021b4848 0x39393341
DATA 4 0x021b0850 0x35373933
DATA 4 0x021b4850 0x48254A36
DATA 4 0x021b080c 0x001F001F
DATA 4 0x021b0810 0x001F001F
DATA 4 0x021b480c 0x00440044
DATA 4 0x021b4810 0x00440044
DATA 4 0x021b08b8 0x00000800
DATA 4 0x021b48b8 0x00000800
DATA 4 0x021b001c 0x00000000
DATA 4 0x021b0404 0x00011006
/*
* Setup CCM_CCOSR register as follows:
*
* cko1_en = 1 --> CKO1 enabled
* cko1_div = 111 --> divide by 8
* cko1_sel = 1011 --> ahb_clk_root
*
* This sets CKO1 at ahb_clk_root/8 = 132/8 = 16.5 MHz
*/
DATA 4 0x020c4060 0x000000fb

372
u-boot/board/bachmann/ot1200/ot1200.c Normal file
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/*
* Copyright (C) 2010-2013 Freescale Semiconductor, Inc.
* Copyright (C) 2014, Bachmann electronic GmbH
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
#include <malloc.h>
#include <asm/arch/mx6-pins.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/sata.h>
#include <asm/imx-common/mxc_i2c.h>
#include <asm/imx-common/boot_mode.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/sys_proto.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <netdev.h>
#include <i2c.h>
#include <pca953x.h>
#include <asm/gpio.h>
#include <phy.h>
DECLARE_GLOBAL_DATA_PTR;
#define OUTPUT_40OHM (PAD_CTL_SPEED_MED|PAD_CTL_DSE_40ohm)
#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
OUTPUT_40OHM | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
PAD_CTL_SRE_FAST | PAD_CTL_HYS)
#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | OUTPUT_40OHM | \
PAD_CTL_HYS)
#define SPI_PAD_CTRL (PAD_CTL_HYS | OUTPUT_40OHM | \
PAD_CTL_SRE_FAST)
#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | OUTPUT_40OHM | \
PAD_CTL_HYS | PAD_CTL_ODE | PAD_CTL_SRE_FAST)
int dram_init(void)
{
gd->ram_size = imx_ddr_size();
return 0;
}
static iomux_v3_cfg_t const uart1_pads[] = {
MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
};
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
}
static iomux_v3_cfg_t const enet_pads[] = {
MX6_PAD_KEY_ROW1__ENET_COL | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_KEY_COL3__ENET_CRS | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_GPIO_18__ENET_RX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET_RXD0__ENET_RX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET_RXD1__ENET_RX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_KEY_COL2__ENET_RX_DATA2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_KEY_COL0__ENET_RX_DATA3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET_CRS_DV__ENET_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET_TXD0__ENET_TX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET_TXD1__ENET_TX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_KEY_ROW2__ENET_TX_DATA2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_KEY_ROW0__ENET_TX_DATA3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET_TX_EN__ENET_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
};
static void setup_iomux_enet(void)
{
imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
}
static iomux_v3_cfg_t const ecspi1_pads[] = {
MX6_PAD_DISP0_DAT3__ECSPI3_SS0 | MUX_PAD_CTRL(SPI_PAD_CTRL),
MX6_PAD_DISP0_DAT4__ECSPI3_SS1 | MUX_PAD_CTRL(SPI_PAD_CTRL),
MX6_PAD_DISP0_DAT2__ECSPI3_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
MX6_PAD_DISP0_DAT1__ECSPI3_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
MX6_PAD_DISP0_DAT0__ECSPI3_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
};
static void setup_iomux_spi(void)
{
imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
}
int board_spi_cs_gpio(unsigned bus, unsigned cs)
{
return (bus == 2 && cs == 0) ? (IMX_GPIO_NR(1, 3)) : -1;
}
static iomux_v3_cfg_t const feature_pads[] = {
/* SD card detect */
MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(PAD_CTL_PUS_100K_DOWN),
/* eMMC soldered? */
MX6_PAD_GPIO_19__GPIO4_IO05 | MUX_PAD_CTRL(PAD_CTL_PUS_100K_UP),
};
static void setup_iomux_features(void)
{
imx_iomux_v3_setup_multiple_pads(feature_pads,
ARRAY_SIZE(feature_pads));
}
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
/* I2C2 - EEPROM */
static struct i2c_pads_info i2c_pad_info1 = {
.scl = {
.i2c_mode = MX6_PAD_EIM_EB2__I2C2_SCL | PC,
.gpio_mode = MX6_PAD_EIM_EB2__GPIO2_IO30 | PC,
.gp = IMX_GPIO_NR(2, 30)
},
.sda = {
.i2c_mode = MX6_PAD_EIM_D16__I2C2_SDA | PC,
.gpio_mode = MX6_PAD_EIM_D16__GPIO3_IO16 | PC,
.gp = IMX_GPIO_NR(3, 16)
}
};
/* I2C3 - IO expander */
static struct i2c_pads_info i2c_pad_info2 = {
.scl = {
.i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | PC,
.gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | PC,
.gp = IMX_GPIO_NR(3, 17)
},
.sda = {
.i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC,
.gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC,
.gp = IMX_GPIO_NR(3, 18)
}
};
static void setup_iomux_i2c(void)
{
setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
}
static void ccgr_init(void)
{
struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
writel(0x00C03F3F, &ccm->CCGR0);
writel(0x0030FC33, &ccm->CCGR1);
writel(0x0FFFC000, &ccm->CCGR2);
writel(0x3FF00000, &ccm->CCGR3);
writel(0x00FFF300, &ccm->CCGR4);
writel(0x0F0000C3, &ccm->CCGR5);
writel(0x000003FF, &ccm->CCGR6);
}
static void gpr_init(void)
{
struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
/* enable AXI cache for VDOA/VPU/IPU */
writel(0xF00000CF, &iomux->gpr[4]);
/* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
writel(0x007F007F, &iomux->gpr[6]);
writel(0x007F007F, &iomux->gpr[7]);
}
int board_early_init_f(void)
{
ccgr_init();
gpr_init();
setup_iomux_uart();
setup_iomux_spi();
setup_iomux_i2c();
setup_iomux_features();
return 0;
}
static iomux_v3_cfg_t const usdhc3_pads[] = {
MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};
iomux_v3_cfg_t const usdhc4_pads[] = {
MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};
int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
int ret;
if (cfg->esdhc_base == USDHC3_BASE_ADDR) {
gpio_direction_input(IMX_GPIO_NR(4, 5));
ret = gpio_get_value(IMX_GPIO_NR(4, 5));
} else {
gpio_direction_input(IMX_GPIO_NR(1, 5));
ret = !gpio_get_value(IMX_GPIO_NR(1, 5));
}
return ret;
}
struct fsl_esdhc_cfg usdhc_cfg[2] = {
{USDHC3_BASE_ADDR},
{USDHC4_BASE_ADDR},
};
int board_mmc_init(bd_t *bis)
{
int ret;
u32 index = 0;
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
usdhc_cfg[0].max_bus_width = 8;
usdhc_cfg[1].max_bus_width = 4;
for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
switch (index) {
case 0:
imx_iomux_v3_setup_multiple_pads(
usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
break;
case 1:
imx_iomux_v3_setup_multiple_pads(
usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
break;
default:
printf("Warning: you configured more USDHC controllers"
"(%d) then supported by the board (%d)\n",
index + 1, CONFIG_SYS_FSL_USDHC_NUM);
return -EINVAL;
}
ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
if (ret)
return ret;
}
return 0;
}
static iomux_v3_cfg_t const pwm_pad[] = {
MX6_PAD_SD1_CMD__PWM4_OUT | MUX_PAD_CTRL(OUTPUT_40OHM),
};
static void leds_on(void)
{
/* turn on all possible leds connected via GPIO expander */
i2c_set_bus_num(2);
pca953x_set_dir(CONFIG_SYS_I2C_PCA953X_ADDR, 0xffff, PCA953X_DIR_OUT);
pca953x_set_val(CONFIG_SYS_I2C_PCA953X_ADDR, 0xffff, 0x0);
}
static void backlight_lcd_off(void)
{
unsigned gpio = IMX_GPIO_NR(2, 0);
gpio_direction_output(gpio, 0);
gpio = IMX_GPIO_NR(2, 3);
gpio_direction_output(gpio, 0);
}
int board_eth_init(bd_t *bis)
{
uint32_t base = IMX_FEC_BASE;
struct mii_dev *bus = NULL;
struct phy_device *phydev = NULL;
int ret;
setup_iomux_enet();
bus = fec_get_miibus(base, -1);
if (!bus)
return -EINVAL;
/* scan phy 0 and 5 */
phydev = phy_find_by_mask(bus, 0x21, PHY_INTERFACE_MODE_RGMII);
if (!phydev) {
ret = -EINVAL;
goto free_bus;
}
/* depending on the phy address we can detect our board version */
if (phydev->addr == 0)
setenv("boardver", "");
else
setenv("boardver", "mr");
printf("using phy at %d\n", phydev->addr);
ret = fec_probe(bis, -1, base, bus, phydev);
if (ret)
goto free_phydev;
return 0;
free_phydev:
free(phydev);
free_bus:
free(bus);
return ret;
}
int board_init(void)
{
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
backlight_lcd_off();
leds_on();
#ifdef CONFIG_CMD_SATA
setup_sata();
#endif
return 0;
}
int checkboard(void)
{
puts("Board: "CONFIG_SYS_BOARD"\n");
return 0;
}
#ifdef CONFIG_CMD_BMODE
static const struct boot_mode board_boot_modes[] = {
/* 4 bit bus width */
{"mmc0", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
{NULL, 0},
};
#endif
int misc_init_r(void)
{
#ifdef CONFIG_CMD_BMODE
add_board_boot_modes(board_boot_modes);
#endif
return 0;
}

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u-boot/board/bachmann/ot1200/ot1200_spl.c Normal file
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/*
* Copyright (C) 2015, Bachmann electronic GmbH
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <spl.h>
#include <asm/arch/mx6-ddr.h>
DECLARE_GLOBAL_DATA_PTR;
/* Configure MX6Q/DUAL mmdc DDR io registers */
static struct mx6dq_iomux_ddr_regs ot1200_ddr_ioregs = {
/* SDCLK[0:1], CAS, RAS, Reset: Differential input, 48ohm */
.dram_sdclk_0 = 0x00000028,
.dram_sdclk_1 = 0x00000028,
.dram_cas = 0x00000028,
.dram_ras = 0x00000028,
.dram_reset = 0x00000028,
/* SDCKE[0:1]: 100k pull-up */
.dram_sdcke0 = 0x00003000,
.dram_sdcke1 = 0x00003000,
/* SDBA2: pull-up disabled */
.dram_sdba2 = 0x00000000,
/* SDODT[0:1]: 100k pull-up, 48 ohm */
.dram_sdodt0 = 0x00000028,
.dram_sdodt1 = 0x00000028,
/* SDQS[0:7]: Differential input, 48 ohm */
.dram_sdqs0 = 0x00000028,
.dram_sdqs1 = 0x00000028,
.dram_sdqs2 = 0x00000028,
.dram_sdqs3 = 0x00000028,
.dram_sdqs4 = 0x00000028,
.dram_sdqs5 = 0x00000028,
.dram_sdqs6 = 0x00000028,
.dram_sdqs7 = 0x00000028,
/* DQM[0:7]: Differential input, 48 ohm */
.dram_dqm0 = 0x00000028,
.dram_dqm1 = 0x00000028,
.dram_dqm2 = 0x00000028,
.dram_dqm3 = 0x00000028,
.dram_dqm4 = 0x00000028,
.dram_dqm5 = 0x00000028,
.dram_dqm6 = 0x00000028,
.dram_dqm7 = 0x00000028,
};
/* Configure MX6Q/DUAL mmdc GRP io registers */
static struct mx6dq_iomux_grp_regs ot1200_grp_ioregs = {
/* DDR3 */
.grp_ddr_type = 0x000c0000,
.grp_ddrmode_ctl = 0x00020000,
/* Disable DDR pullups */
.grp_ddrpke = 0x00000000,
/* ADDR[00:16], SDBA[0:1]: 48 ohm */
.grp_addds = 0x00000028,
/* CS0/CS1/SDBA2/CKE0/CKE1/SDWE: 48 ohm */
.grp_ctlds = 0x00000028,
/* DATA[00:63]: Differential input, 48 ohm */
.grp_ddrmode = 0x00020000,
.grp_b0ds = 0x00000028,
.grp_b1ds = 0x00000028,
.grp_b2ds = 0x00000028,
.grp_b3ds = 0x00000028,
.grp_b4ds = 0x00000028,
.grp_b5ds = 0x00000028,
.grp_b6ds = 0x00000028,
.grp_b7ds = 0x00000028,
};
static struct mx6_ddr_sysinfo ot1200_ddr_sysinfo = {
/* Width of data bus: 0=16, 1=32, 2=64 */
.dsize = 2,
/* config for full 4GB range so that get_mem_size() works */
.cs_density = 32, /* 32Gb per CS */
/* Single chip select */
.ncs = 1,
.cs1_mirror = 0, /* war 0 */
.rtt_wr = 1, /* DDR3_RTT_60_OHM - RTT_Wr = RZQ/4 */
.rtt_nom = 1, /* DDR3_RTT_60_OHM - RTT_Nom = RZQ/4 */
.walat = 1, /* Write additional latency */
.ralat = 5, /* Read additional latency */
.mif3_mode = 3, /* Command prediction working mode */
.bi_on = 1, /* Bank interleaving enabled */ /* war 1 */
.sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */
.rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */
};
/* MT41K128M16JT-125 */
static struct mx6_ddr3_cfg micron_2gib_1600 = {
.mem_speed = 1600,
.density = 2,
.width = 16,
.banks = 8,
.rowaddr = 14,
.coladdr = 10,
.pagesz = 2,
.trcd = 1375,
.trcmin = 4875,
.trasmin = 3500,
.SRT = 1,
};
static struct mx6_mmdc_calibration micron_2gib_1600_mmdc_calib = {
/* write leveling calibration determine */
.p0_mpwldectrl0 = 0x00260025,
.p0_mpwldectrl1 = 0x00270021,
.p1_mpwldectrl0 = 0x00180034,
.p1_mpwldectrl1 = 0x00180024,
/* Read DQS Gating calibration */
.p0_mpdgctrl0 = 0x04380344,
.p0_mpdgctrl1 = 0x0330032C,
.p1_mpdgctrl0 = 0x0338033C,
.p1_mpdgctrl1 = 0x032C0300,
/* Read Calibration: DQS delay relative to DQ read access */
.p0_mprddlctl = 0x3C2E3238,
.p1_mprddlctl = 0x3A2E303C,
/* Write Calibration: DQ/DM delay relative to DQS write access */
.p0_mpwrdlctl = 0x36384036,
.p1_mpwrdlctl = 0x442E4438,
};
static void ot1200_spl_dram_init(void)
{
mx6dq_dram_iocfg(64, &ot1200_ddr_ioregs, &ot1200_grp_ioregs);
mx6_dram_cfg(&ot1200_ddr_sysinfo, &micron_2gib_1600_mmdc_calib,
&micron_2gib_1600);
}
/*
* called from C runtime startup code (arch/arm/lib/crt0.S:_main)
* - we have a stack and a place to store GD, both in SRAM
* - no variable global data is available
*/
void board_init_f(ulong dummy)
{
/* setup AIPS and disable watchdog */
arch_cpu_init();
/* iomux and setup of i2c */
board_early_init_f();
/* setup GP timer */
timer_init();
/* UART clocks enabled and gd valid - init serial console */
preloader_console_init();
/* configure MMDC for SDRAM width/size and per-model calibration */
ot1200_spl_dram_init();
/* Clear the BSS. */
memset(__bss_start, 0, __bss_end - __bss_start);
/* load/boot image from boot device */
board_init_r(NULL, 0);
}