avionic design with actual uboot and tooling
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:
12
u-boot/board/freescale/mx6ul_14x14_evk/Kconfig
Normal file
12
u-boot/board/freescale/mx6ul_14x14_evk/Kconfig
Normal file
@@ -0,0 +1,12 @@
|
||||
if TARGET_MX6UL_14X14_EVK || TARGET_MX6UL_9X9_EVK
|
||||
|
||||
config SYS_BOARD
|
||||
default "mx6ul_14x14_evk"
|
||||
|
||||
config SYS_VENDOR
|
||||
default "freescale"
|
||||
|
||||
config SYS_CONFIG_NAME
|
||||
default "mx6ul_14x14_evk"
|
||||
|
||||
endif
|
||||
7
u-boot/board/freescale/mx6ul_14x14_evk/MAINTAINERS
Normal file
7
u-boot/board/freescale/mx6ul_14x14_evk/MAINTAINERS
Normal file
@@ -0,0 +1,7 @@
|
||||
MX6ULEVK BOARD
|
||||
M: Peng Fan <peng.fan@nxp.com>
|
||||
S: Maintained
|
||||
F: board/freescale/mx6ul_14x14_evk/
|
||||
F: include/configs/mx6ul_14x14_evk.h
|
||||
F: configs/mx6ul_14x14_evk_defconfig
|
||||
F: configs/mx6ul_9x9_evk_defconfig
|
||||
6
u-boot/board/freescale/mx6ul_14x14_evk/Makefile
Normal file
6
u-boot/board/freescale/mx6ul_14x14_evk/Makefile
Normal file
@@ -0,0 +1,6 @@
|
||||
# (C) Copyright 2015 Freescale Semiconductor, Inc.
|
||||
#
|
||||
# SPDX-License-Identifier: GPL-2.0+
|
||||
#
|
||||
|
||||
obj-y := mx6ul_14x14_evk.o
|
||||
32
u-boot/board/freescale/mx6ul_14x14_evk/README
Normal file
32
u-boot/board/freescale/mx6ul_14x14_evk/README
Normal file
@@ -0,0 +1,32 @@
|
||||
How to use U-Boot on Freescale MX6UL 14x14 EVK
|
||||
-----------------------------------------------
|
||||
|
||||
- Build U-Boot for MX6UL 14x14 EVK:
|
||||
|
||||
$ make mrproper
|
||||
$ make mx6ul_14x14_evk_defconfig
|
||||
$ make
|
||||
|
||||
This will generate the SPL image called SPL and the u-boot.img.
|
||||
|
||||
- Flash the SPL image into the micro SD card:
|
||||
|
||||
sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync
|
||||
|
||||
- Flash the u-boot.img image into the micro SD card:
|
||||
|
||||
sudo dd if=u-boot.img of=/dev/mmcblk0 bs=1k seek=69; sync
|
||||
|
||||
- Jumper settings:
|
||||
|
||||
SW601: 0 0 1 0
|
||||
Sw602: 1 0
|
||||
|
||||
where 0 means bottom position and 1 means top position (from the
|
||||
switch label numbers reference).
|
||||
|
||||
- Connect the USB cable between the EVK and the PC for the console.
|
||||
(The USB console connector is the one close the push buttons)
|
||||
|
||||
- Insert the micro SD card in the board, power it up and U-Boot messages should
|
||||
come up.
|
||||
875
u-boot/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c
Normal file
875
u-boot/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c
Normal file
@@ -0,0 +1,875 @@
|
||||
/*
|
||||
* Copyright (C) 2015 Freescale Semiconductor, Inc.
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
|
||||
#include <asm/arch/clock.h>
|
||||
#include <asm/arch/iomux.h>
|
||||
#include <asm/arch/imx-regs.h>
|
||||
#include <asm/arch/crm_regs.h>
|
||||
#include <asm/arch/mx6ul_pins.h>
|
||||
#include <asm/arch/mx6-pins.h>
|
||||
#include <asm/arch/sys_proto.h>
|
||||
#include <asm/gpio.h>
|
||||
#include <asm/imx-common/iomux-v3.h>
|
||||
#include <asm/imx-common/boot_mode.h>
|
||||
#include <asm/imx-common/mxc_i2c.h>
|
||||
#include <asm/io.h>
|
||||
#include <common.h>
|
||||
#include <fsl_esdhc.h>
|
||||
#include <i2c.h>
|
||||
#include <miiphy.h>
|
||||
#include <linux/sizes.h>
|
||||
#include <mmc.h>
|
||||
#include <netdev.h>
|
||||
#include <power/pmic.h>
|
||||
#include <power/pfuze3000_pmic.h>
|
||||
#include "../common/pfuze.h"
|
||||
#include <usb.h>
|
||||
#include <usb/ehci-ci.h>
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
|
||||
PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
|
||||
PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
|
||||
|
||||
#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
|
||||
PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \
|
||||
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
|
||||
|
||||
#define USDHC_DAT3_CD_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
|
||||
PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_LOW | \
|
||||
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
|
||||
|
||||
#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
|
||||
PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
|
||||
PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
|
||||
PAD_CTL_ODE)
|
||||
|
||||
#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
|
||||
PAD_CTL_SPEED_HIGH | \
|
||||
PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
|
||||
|
||||
#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
|
||||
PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm)
|
||||
|
||||
#define MDIO_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
|
||||
PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST | PAD_CTL_ODE)
|
||||
|
||||
#define ENET_CLK_PAD_CTRL (PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
|
||||
|
||||
#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
|
||||
PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST)
|
||||
|
||||
#define IOX_SDI IMX_GPIO_NR(5, 10)
|
||||
#define IOX_STCP IMX_GPIO_NR(5, 7)
|
||||
#define IOX_SHCP IMX_GPIO_NR(5, 11)
|
||||
#define IOX_OE IMX_GPIO_NR(5, 8)
|
||||
|
||||
static iomux_v3_cfg_t const iox_pads[] = {
|
||||
/* IOX_SDI */
|
||||
MX6_PAD_BOOT_MODE0__GPIO5_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
||||
/* IOX_SHCP */
|
||||
MX6_PAD_BOOT_MODE1__GPIO5_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
||||
/* IOX_STCP */
|
||||
MX6_PAD_SNVS_TAMPER7__GPIO5_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
||||
/* IOX_nOE */
|
||||
MX6_PAD_SNVS_TAMPER8__GPIO5_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
||||
};
|
||||
|
||||
/*
|
||||
* HDMI_nRST --> Q0
|
||||
* ENET1_nRST --> Q1
|
||||
* ENET2_nRST --> Q2
|
||||
* CAN1_2_STBY --> Q3
|
||||
* BT_nPWD --> Q4
|
||||
* CSI_RST --> Q5
|
||||
* CSI_PWDN --> Q6
|
||||
* LCD_nPWREN --> Q7
|
||||
*/
|
||||
enum qn {
|
||||
HDMI_NRST,
|
||||
ENET1_NRST,
|
||||
ENET2_NRST,
|
||||
CAN1_2_STBY,
|
||||
BT_NPWD,
|
||||
CSI_RST,
|
||||
CSI_PWDN,
|
||||
LCD_NPWREN,
|
||||
};
|
||||
|
||||
enum qn_func {
|
||||
qn_reset,
|
||||
qn_enable,
|
||||
qn_disable,
|
||||
};
|
||||
|
||||
enum qn_level {
|
||||
qn_low = 0,
|
||||
qn_high = 1,
|
||||
};
|
||||
|
||||
static enum qn_level seq[3][2] = {
|
||||
{0, 1}, {1, 1}, {0, 0}
|
||||
};
|
||||
|
||||
static enum qn_func qn_output[8] = {
|
||||
qn_reset, qn_reset, qn_reset, qn_enable, qn_disable, qn_reset,
|
||||
qn_disable, qn_disable
|
||||
};
|
||||
|
||||
static void iox74lv_init(void)
|
||||
{
|
||||
int i;
|
||||
|
||||
gpio_direction_output(IOX_OE, 0);
|
||||
|
||||
for (i = 7; i >= 0; i--) {
|
||||
gpio_direction_output(IOX_SHCP, 0);
|
||||
gpio_direction_output(IOX_SDI, seq[qn_output[i]][0]);
|
||||
udelay(500);
|
||||
gpio_direction_output(IOX_SHCP, 1);
|
||||
udelay(500);
|
||||
}
|
||||
|
||||
gpio_direction_output(IOX_STCP, 0);
|
||||
udelay(500);
|
||||
/*
|
||||
* shift register will be output to pins
|
||||
*/
|
||||
gpio_direction_output(IOX_STCP, 1);
|
||||
|
||||
for (i = 7; i >= 0; i--) {
|
||||
gpio_direction_output(IOX_SHCP, 0);
|
||||
gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]);
|
||||
udelay(500);
|
||||
gpio_direction_output(IOX_SHCP, 1);
|
||||
udelay(500);
|
||||
}
|
||||
gpio_direction_output(IOX_STCP, 0);
|
||||
udelay(500);
|
||||
/*
|
||||
* shift register will be output to pins
|
||||
*/
|
||||
gpio_direction_output(IOX_STCP, 1);
|
||||
};
|
||||
|
||||
#ifdef CONFIG_SYS_I2C_MXC
|
||||
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
|
||||
/* I2C1 for PMIC and EEPROM */
|
||||
static struct i2c_pads_info i2c_pad_info1 = {
|
||||
.scl = {
|
||||
.i2c_mode = MX6_PAD_UART4_TX_DATA__I2C1_SCL | PC,
|
||||
.gpio_mode = MX6_PAD_UART4_TX_DATA__GPIO1_IO28 | PC,
|
||||
.gp = IMX_GPIO_NR(1, 28),
|
||||
},
|
||||
.sda = {
|
||||
.i2c_mode = MX6_PAD_UART4_RX_DATA__I2C1_SDA | PC,
|
||||
.gpio_mode = MX6_PAD_UART4_RX_DATA__GPIO1_IO29 | PC,
|
||||
.gp = IMX_GPIO_NR(1, 29),
|
||||
},
|
||||
};
|
||||
|
||||
#ifdef CONFIG_POWER
|
||||
#define I2C_PMIC 0
|
||||
int power_init_board(void)
|
||||
{
|
||||
if (is_mx6ul_9x9_evk()) {
|
||||
struct pmic *pfuze;
|
||||
int ret;
|
||||
unsigned int reg, rev_id;
|
||||
|
||||
ret = power_pfuze3000_init(I2C_PMIC);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
pfuze = pmic_get("PFUZE3000");
|
||||
ret = pmic_probe(pfuze);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
pmic_reg_read(pfuze, PFUZE3000_DEVICEID, ®);
|
||||
pmic_reg_read(pfuze, PFUZE3000_REVID, &rev_id);
|
||||
printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n",
|
||||
reg, rev_id);
|
||||
|
||||
/* disable Low Power Mode during standby mode */
|
||||
pmic_reg_read(pfuze, PFUZE3000_LDOGCTL, ®);
|
||||
reg |= 0x1;
|
||||
pmic_reg_write(pfuze, PFUZE3000_LDOGCTL, reg);
|
||||
|
||||
/* SW1B step ramp up time from 2us to 4us/25mV */
|
||||
reg = 0x40;
|
||||
pmic_reg_write(pfuze, PFUZE3000_SW1BCONF, reg);
|
||||
|
||||
/* SW1B mode to APS/PFM */
|
||||
reg = 0xc;
|
||||
pmic_reg_write(pfuze, PFUZE3000_SW1BMODE, reg);
|
||||
|
||||
/* SW1B standby voltage set to 0.975V */
|
||||
reg = 0xb;
|
||||
pmic_reg_write(pfuze, PFUZE3000_SW1BSTBY, reg);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
|
||||
int dram_init(void)
|
||||
{
|
||||
gd->ram_size = imx_ddr_size();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static iomux_v3_cfg_t const uart1_pads[] = {
|
||||
MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
|
||||
MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
|
||||
};
|
||||
|
||||
static iomux_v3_cfg_t const usdhc1_pads[] = {
|
||||
MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_SD1_DATA0__USDHC1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_SD1_DATA1__USDHC1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_SD1_DATA2__USDHC1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_SD1_DATA3__USDHC1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
|
||||
/* VSELECT */
|
||||
MX6_PAD_GPIO1_IO05__USDHC1_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
/* CD */
|
||||
MX6_PAD_UART1_RTS_B__GPIO1_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
||||
/* RST_B */
|
||||
MX6_PAD_GPIO1_IO09__GPIO1_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
||||
};
|
||||
|
||||
/*
|
||||
* mx6ul_14x14_evk board default supports sd card. If want to use
|
||||
* EMMC, need to do board rework for sd2.
|
||||
* Introduce CONFIG_MX6UL_14X14_EVK_EMMC_REWORK, if sd2 reworked to support
|
||||
* emmc, need to define this macro.
|
||||
*/
|
||||
#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
|
||||
static iomux_v3_cfg_t const usdhc2_emmc_pads[] = {
|
||||
MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_NAND_DATA04__USDHC2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_NAND_DATA05__USDHC2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_NAND_DATA06__USDHC2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_NAND_DATA07__USDHC2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
|
||||
/*
|
||||
* RST_B
|
||||
*/
|
||||
MX6_PAD_NAND_ALE__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
||||
};
|
||||
#else
|
||||
static iomux_v3_cfg_t const usdhc2_pads[] = {
|
||||
MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
||||
};
|
||||
|
||||
static iomux_v3_cfg_t const usdhc2_cd_pads[] = {
|
||||
/*
|
||||
* The evk board uses DAT3 to detect CD card plugin,
|
||||
* in u-boot we mux the pin to GPIO when doing board_mmc_getcd.
|
||||
*/
|
||||
MX6_PAD_NAND_DATA03__GPIO4_IO05 | MUX_PAD_CTRL(USDHC_DAT3_CD_PAD_CTRL),
|
||||
};
|
||||
|
||||
static iomux_v3_cfg_t const usdhc2_dat3_pads[] = {
|
||||
MX6_PAD_NAND_DATA03__USDHC2_DATA3 |
|
||||
MUX_PAD_CTRL(USDHC_DAT3_CD_PAD_CTRL),
|
||||
};
|
||||
#endif
|
||||
|
||||
static void setup_iomux_uart(void)
|
||||
{
|
||||
imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
|
||||
}
|
||||
|
||||
#ifdef CONFIG_FSL_QSPI
|
||||
|
||||
#define QSPI_PAD_CTRL1 \
|
||||
(PAD_CTL_SRE_FAST | PAD_CTL_SPEED_MED | \
|
||||
PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_120ohm)
|
||||
|
||||
static iomux_v3_cfg_t const quadspi_pads[] = {
|
||||
MX6_PAD_NAND_WP_B__QSPI_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
|
||||
MX6_PAD_NAND_READY_B__QSPI_A_DATA00 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
|
||||
MX6_PAD_NAND_CE0_B__QSPI_A_DATA01 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
|
||||
MX6_PAD_NAND_CE1_B__QSPI_A_DATA02 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
|
||||
MX6_PAD_NAND_CLE__QSPI_A_DATA03 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
|
||||
MX6_PAD_NAND_DQS__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
|
||||
};
|
||||
|
||||
static int board_qspi_init(void)
|
||||
{
|
||||
/* Set the iomux */
|
||||
imx_iomux_v3_setup_multiple_pads(quadspi_pads,
|
||||
ARRAY_SIZE(quadspi_pads));
|
||||
/* Set the clock */
|
||||
enable_qspi_clk(0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_FSL_ESDHC
|
||||
static struct fsl_esdhc_cfg usdhc_cfg[2] = {
|
||||
{USDHC1_BASE_ADDR, 0, 4},
|
||||
#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
|
||||
{USDHC2_BASE_ADDR, 0, 8},
|
||||
#else
|
||||
{USDHC2_BASE_ADDR, 0, 4},
|
||||
#endif
|
||||
};
|
||||
|
||||
#define USDHC1_CD_GPIO IMX_GPIO_NR(1, 19)
|
||||
#define USDHC1_PWR_GPIO IMX_GPIO_NR(1, 9)
|
||||
#define USDHC2_CD_GPIO IMX_GPIO_NR(4, 5)
|
||||
#define USDHC2_PWR_GPIO IMX_GPIO_NR(4, 10)
|
||||
|
||||
int board_mmc_getcd(struct mmc *mmc)
|
||||
{
|
||||
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
|
||||
int ret = 0;
|
||||
|
||||
switch (cfg->esdhc_base) {
|
||||
case USDHC1_BASE_ADDR:
|
||||
ret = !gpio_get_value(USDHC1_CD_GPIO);
|
||||
break;
|
||||
case USDHC2_BASE_ADDR:
|
||||
#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
|
||||
ret = 1;
|
||||
#else
|
||||
imx_iomux_v3_setup_multiple_pads(usdhc2_cd_pads,
|
||||
ARRAY_SIZE(usdhc2_cd_pads));
|
||||
gpio_direction_input(USDHC2_CD_GPIO);
|
||||
|
||||
/*
|
||||
* Since it is the DAT3 pin, this pin is pulled to
|
||||
* low voltage if no card
|
||||
*/
|
||||
ret = gpio_get_value(USDHC2_CD_GPIO);
|
||||
|
||||
imx_iomux_v3_setup_multiple_pads(usdhc2_dat3_pads,
|
||||
ARRAY_SIZE(usdhc2_dat3_pads));
|
||||
#endif
|
||||
break;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int board_mmc_init(bd_t *bis)
|
||||
{
|
||||
#ifdef CONFIG_SPL_BUILD
|
||||
#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
|
||||
imx_iomux_v3_setup_multiple_pads(usdhc2_emmc_pads,
|
||||
ARRAY_SIZE(usdhc2_emmc_pads));
|
||||
#else
|
||||
imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
|
||||
#endif
|
||||
gpio_direction_output(USDHC2_PWR_GPIO, 0);
|
||||
udelay(500);
|
||||
gpio_direction_output(USDHC2_PWR_GPIO, 1);
|
||||
usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
|
||||
return fsl_esdhc_initialize(bis, &usdhc_cfg[1]);
|
||||
#else
|
||||
int i, ret;
|
||||
|
||||
/*
|
||||
* According to the board_mmc_init() the following map is done:
|
||||
* (U-Boot device node) (Physical Port)
|
||||
* mmc0 USDHC1
|
||||
* mmc1 USDHC2
|
||||
*/
|
||||
for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
|
||||
switch (i) {
|
||||
case 0:
|
||||
imx_iomux_v3_setup_multiple_pads(
|
||||
usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
|
||||
gpio_direction_input(USDHC1_CD_GPIO);
|
||||
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
|
||||
|
||||
gpio_direction_output(USDHC1_PWR_GPIO, 0);
|
||||
udelay(500);
|
||||
gpio_direction_output(USDHC1_PWR_GPIO, 1);
|
||||
break;
|
||||
case 1:
|
||||
#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
|
||||
imx_iomux_v3_setup_multiple_pads(
|
||||
usdhc2_emmc_pads, ARRAY_SIZE(usdhc2_emmc_pads));
|
||||
#else
|
||||
imx_iomux_v3_setup_multiple_pads(
|
||||
usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
|
||||
#endif
|
||||
gpio_direction_output(USDHC2_PWR_GPIO, 0);
|
||||
udelay(500);
|
||||
gpio_direction_output(USDHC2_PWR_GPIO, 1);
|
||||
usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
|
||||
break;
|
||||
default:
|
||||
printf("Warning: you configured more USDHC controllers (%d) than supported by the board\n", i + 1);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
|
||||
if (ret) {
|
||||
printf("Warning: failed to initialize mmc dev %d\n", i);
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_USB_EHCI_MX6
|
||||
#define USB_OTHERREGS_OFFSET 0x800
|
||||
#define UCTRL_PWR_POL (1 << 9)
|
||||
|
||||
static iomux_v3_cfg_t const usb_otg_pads[] = {
|
||||
MX6_PAD_GPIO1_IO00__ANATOP_OTG1_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
|
||||
};
|
||||
|
||||
/* At default the 3v3 enables the MIC2026 for VBUS power */
|
||||
static void setup_usb(void)
|
||||
{
|
||||
imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
|
||||
ARRAY_SIZE(usb_otg_pads));
|
||||
}
|
||||
|
||||
int board_usb_phy_mode(int port)
|
||||
{
|
||||
if (port == 1)
|
||||
return USB_INIT_HOST;
|
||||
else
|
||||
return usb_phy_mode(port);
|
||||
}
|
||||
|
||||
int board_ehci_hcd_init(int port)
|
||||
{
|
||||
u32 *usbnc_usb_ctrl;
|
||||
|
||||
if (port > 1)
|
||||
return -EINVAL;
|
||||
|
||||
usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
|
||||
port * 4);
|
||||
|
||||
/* Set Power polarity */
|
||||
setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_FEC_MXC
|
||||
/*
|
||||
* pin conflicts for fec1 and fec2, GPIO1_IO06 and GPIO1_IO07 can only
|
||||
* be used for ENET1 or ENET2, cannot be used for both.
|
||||
*/
|
||||
static iomux_v3_cfg_t const fec1_pads[] = {
|
||||
MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
|
||||
MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
||||
MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
||||
MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
||||
MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
||||
MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
|
||||
MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
||||
MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
||||
MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
||||
MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
||||
};
|
||||
|
||||
static iomux_v3_cfg_t const fec2_pads[] = {
|
||||
MX6_PAD_GPIO1_IO06__ENET2_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
|
||||
MX6_PAD_GPIO1_IO07__ENET2_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
||||
|
||||
MX6_PAD_ENET2_TX_DATA0__ENET2_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
||||
MX6_PAD_ENET2_TX_DATA1__ENET2_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
||||
MX6_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
|
||||
MX6_PAD_ENET2_TX_EN__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
||||
|
||||
MX6_PAD_ENET2_RX_DATA0__ENET2_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
||||
MX6_PAD_ENET2_RX_DATA1__ENET2_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
||||
MX6_PAD_ENET2_RX_EN__ENET2_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
||||
MX6_PAD_ENET2_RX_ER__ENET2_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
||||
};
|
||||
|
||||
static void setup_iomux_fec(int fec_id)
|
||||
{
|
||||
if (fec_id == 0)
|
||||
imx_iomux_v3_setup_multiple_pads(fec1_pads,
|
||||
ARRAY_SIZE(fec1_pads));
|
||||
else
|
||||
imx_iomux_v3_setup_multiple_pads(fec2_pads,
|
||||
ARRAY_SIZE(fec2_pads));
|
||||
}
|
||||
|
||||
int board_eth_init(bd_t *bis)
|
||||
{
|
||||
setup_iomux_fec(CONFIG_FEC_ENET_DEV);
|
||||
|
||||
return fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV,
|
||||
CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
|
||||
}
|
||||
|
||||
static int setup_fec(int fec_id)
|
||||
{
|
||||
struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
|
||||
int ret;
|
||||
|
||||
if (fec_id == 0) {
|
||||
/*
|
||||
* Use 50M anatop loopback REF_CLK1 for ENET1,
|
||||
* clear gpr1[13], set gpr1[17].
|
||||
*/
|
||||
clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
|
||||
IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
|
||||
} else {
|
||||
/*
|
||||
* Use 50M anatop loopback REF_CLK2 for ENET2,
|
||||
* clear gpr1[14], set gpr1[18].
|
||||
*/
|
||||
clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
|
||||
IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
|
||||
}
|
||||
|
||||
ret = enable_fec_anatop_clock(fec_id, ENET_50MHZ);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
enable_enet_clk(1);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int board_phy_config(struct phy_device *phydev)
|
||||
{
|
||||
phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);
|
||||
|
||||
if (phydev->drv->config)
|
||||
phydev->drv->config(phydev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_VIDEO_MXS
|
||||
static iomux_v3_cfg_t const lcd_pads[] = {
|
||||
MX6_PAD_LCD_CLK__LCDIF_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_ENABLE__LCDIF_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_HSYNC__LCDIF_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_VSYNC__LCDIF_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA00__LCDIF_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA01__LCDIF_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA02__LCDIF_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA03__LCDIF_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA04__LCDIF_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA05__LCDIF_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA06__LCDIF_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA07__LCDIF_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA08__LCDIF_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA09__LCDIF_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA10__LCDIF_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA11__LCDIF_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA12__LCDIF_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA13__LCDIF_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA14__LCDIF_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA15__LCDIF_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA16__LCDIF_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA17__LCDIF_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA18__LCDIF_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA19__LCDIF_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA20__LCDIF_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA21__LCDIF_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA22__LCDIF_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
MX6_PAD_LCD_DATA23__LCDIF_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
|
||||
|
||||
/* LCD_RST */
|
||||
MX6_PAD_SNVS_TAMPER9__GPIO5_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
||||
|
||||
/* Use GPIO for Brightness adjustment, duty cycle = period. */
|
||||
MX6_PAD_GPIO1_IO08__GPIO1_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
||||
};
|
||||
|
||||
static int setup_lcd(void)
|
||||
{
|
||||
enable_lcdif_clock(LCDIF1_BASE_ADDR);
|
||||
|
||||
imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
|
||||
|
||||
/* Reset the LCD */
|
||||
gpio_direction_output(IMX_GPIO_NR(5, 9) , 0);
|
||||
udelay(500);
|
||||
gpio_direction_output(IMX_GPIO_NR(5, 9) , 1);
|
||||
|
||||
/* Set Brightness to high */
|
||||
gpio_direction_output(IMX_GPIO_NR(1, 8) , 1);
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
int board_early_init_f(void)
|
||||
{
|
||||
setup_iomux_uart();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int board_init(void)
|
||||
{
|
||||
/* Address of boot parameters */
|
||||
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
|
||||
|
||||
imx_iomux_v3_setup_multiple_pads(iox_pads, ARRAY_SIZE(iox_pads));
|
||||
|
||||
iox74lv_init();
|
||||
|
||||
#ifdef CONFIG_SYS_I2C_MXC
|
||||
setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_FEC_MXC
|
||||
setup_fec(CONFIG_FEC_ENET_DEV);
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_USB_EHCI_MX6
|
||||
setup_usb();
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_FSL_QSPI
|
||||
board_qspi_init();
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_VIDEO_MXS
|
||||
setup_lcd();
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_CMD_BMODE
|
||||
static const struct boot_mode board_boot_modes[] = {
|
||||
/* 4 bit bus width */
|
||||
{"sd1", MAKE_CFGVAL(0x42, 0x20, 0x00, 0x00)},
|
||||
{"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
|
||||
{"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)},
|
||||
{NULL, 0},
|
||||
};
|
||||
#endif
|
||||
|
||||
int board_late_init(void)
|
||||
{
|
||||
#ifdef CONFIG_CMD_BMODE
|
||||
add_board_boot_modes(board_boot_modes);
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
|
||||
setenv("board_name", "EVK");
|
||||
|
||||
if (is_mx6ul_9x9_evk())
|
||||
setenv("board_rev", "9X9");
|
||||
else
|
||||
setenv("board_rev", "14X14");
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int checkboard(void)
|
||||
{
|
||||
if (is_mx6ul_9x9_evk())
|
||||
puts("Board: MX6UL 9x9 EVK\n");
|
||||
else
|
||||
puts("Board: MX6UL 14x14 EVK\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_SPL_BUILD
|
||||
#include <libfdt.h>
|
||||
#include <spl.h>
|
||||
#include <asm/arch/mx6-ddr.h>
|
||||
|
||||
|
||||
static struct mx6ul_iomux_grp_regs mx6_grp_ioregs = {
|
||||
.grp_addds = 0x00000030,
|
||||
.grp_ddrmode_ctl = 0x00020000,
|
||||
.grp_b0ds = 0x00000030,
|
||||
.grp_ctlds = 0x00000030,
|
||||
.grp_b1ds = 0x00000030,
|
||||
.grp_ddrpke = 0x00000000,
|
||||
.grp_ddrmode = 0x00020000,
|
||||
#ifdef CONFIG_TARGET_MX6UL_9X9_EVK
|
||||
.grp_ddr_type = 0x00080000,
|
||||
#else
|
||||
.grp_ddr_type = 0x000c0000,
|
||||
#endif
|
||||
};
|
||||
|
||||
#ifdef CONFIG_TARGET_MX6UL_9X9_EVK
|
||||
static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = {
|
||||
.dram_dqm0 = 0x00000030,
|
||||
.dram_dqm1 = 0x00000030,
|
||||
.dram_ras = 0x00000030,
|
||||
.dram_cas = 0x00000030,
|
||||
.dram_odt0 = 0x00000000,
|
||||
.dram_odt1 = 0x00000000,
|
||||
.dram_sdba2 = 0x00000000,
|
||||
.dram_sdclk_0 = 0x00000030,
|
||||
.dram_sdqs0 = 0x00003030,
|
||||
.dram_sdqs1 = 0x00003030,
|
||||
.dram_reset = 0x00000030,
|
||||
};
|
||||
|
||||
static struct mx6_mmdc_calibration mx6_mmcd_calib = {
|
||||
.p0_mpwldectrl0 = 0x00000000,
|
||||
.p0_mpdgctrl0 = 0x20000000,
|
||||
.p0_mprddlctl = 0x4040484f,
|
||||
.p0_mpwrdlctl = 0x40405247,
|
||||
.mpzqlp2ctl = 0x1b4700c7,
|
||||
};
|
||||
|
||||
static struct mx6_lpddr2_cfg mem_ddr = {
|
||||
.mem_speed = 800,
|
||||
.density = 2,
|
||||
.width = 16,
|
||||
.banks = 4,
|
||||
.rowaddr = 14,
|
||||
.coladdr = 10,
|
||||
.trcd_lp = 1500,
|
||||
.trppb_lp = 1500,
|
||||
.trpab_lp = 2000,
|
||||
.trasmin = 4250,
|
||||
};
|
||||
|
||||
struct mx6_ddr_sysinfo ddr_sysinfo = {
|
||||
.dsize = 0,
|
||||
.cs_density = 18,
|
||||
.ncs = 1,
|
||||
.cs1_mirror = 0,
|
||||
.walat = 0,
|
||||
.ralat = 5,
|
||||
.mif3_mode = 3,
|
||||
.bi_on = 1,
|
||||
.rtt_wr = 0, /* LPDDR2 does not need rtt_wr rtt_nom */
|
||||
.rtt_nom = 0,
|
||||
.sde_to_rst = 0, /* LPDDR2 does not need this field */
|
||||
.rst_to_cke = 0x10, /* JEDEC value for LPDDR2: 200us */
|
||||
.ddr_type = DDR_TYPE_LPDDR2,
|
||||
};
|
||||
|
||||
#else
|
||||
static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = {
|
||||
.dram_dqm0 = 0x00000030,
|
||||
.dram_dqm1 = 0x00000030,
|
||||
.dram_ras = 0x00000030,
|
||||
.dram_cas = 0x00000030,
|
||||
.dram_odt0 = 0x00000030,
|
||||
.dram_odt1 = 0x00000030,
|
||||
.dram_sdba2 = 0x00000000,
|
||||
.dram_sdclk_0 = 0x00000008,
|
||||
.dram_sdqs0 = 0x00000038,
|
||||
.dram_sdqs1 = 0x00000030,
|
||||
.dram_reset = 0x00000030,
|
||||
};
|
||||
|
||||
static struct mx6_mmdc_calibration mx6_mmcd_calib = {
|
||||
.p0_mpwldectrl0 = 0x00070007,
|
||||
.p0_mpdgctrl0 = 0x41490145,
|
||||
.p0_mprddlctl = 0x40404546,
|
||||
.p0_mpwrdlctl = 0x4040524D,
|
||||
};
|
||||
|
||||
struct mx6_ddr_sysinfo ddr_sysinfo = {
|
||||
.dsize = 0,
|
||||
.cs_density = 20,
|
||||
.ncs = 1,
|
||||
.cs1_mirror = 0,
|
||||
.rtt_wr = 2,
|
||||
.rtt_nom = 1, /* RTT_Nom = RZQ/2 */
|
||||
.walat = 1, /* Write additional latency */
|
||||
.ralat = 5, /* Read additional latency */
|
||||
.mif3_mode = 3, /* Command prediction working mode */
|
||||
.bi_on = 1, /* Bank interleaving enabled */
|
||||
.sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */
|
||||
.rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */
|
||||
.ddr_type = DDR_TYPE_DDR3,
|
||||
};
|
||||
|
||||
static struct mx6_ddr3_cfg mem_ddr = {
|
||||
.mem_speed = 800,
|
||||
.density = 4,
|
||||
.width = 16,
|
||||
.banks = 8,
|
||||
.rowaddr = 15,
|
||||
.coladdr = 10,
|
||||
.pagesz = 2,
|
||||
.trcd = 1375,
|
||||
.trcmin = 4875,
|
||||
.trasmin = 3500,
|
||||
};
|
||||
#endif
|
||||
|
||||
static void ccgr_init(void)
|
||||
{
|
||||
struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
|
||||
|
||||
writel(0xFFFFFFFF, &ccm->CCGR0);
|
||||
writel(0xFFFFFFFF, &ccm->CCGR1);
|
||||
writel(0xFFFFFFFF, &ccm->CCGR2);
|
||||
writel(0xFFFFFFFF, &ccm->CCGR3);
|
||||
writel(0xFFFFFFFF, &ccm->CCGR4);
|
||||
writel(0xFFFFFFFF, &ccm->CCGR5);
|
||||
writel(0xFFFFFFFF, &ccm->CCGR6);
|
||||
writel(0xFFFFFFFF, &ccm->CCGR7);
|
||||
}
|
||||
|
||||
static void spl_dram_init(void)
|
||||
{
|
||||
mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
|
||||
mx6_dram_cfg(&ddr_sysinfo, &mx6_mmcd_calib, &mem_ddr);
|
||||
}
|
||||
|
||||
void board_init_f(ulong dummy)
|
||||
{
|
||||
/* setup AIPS and disable watchdog */
|
||||
arch_cpu_init();
|
||||
|
||||
ccgr_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();
|
||||
|
||||
/* DDR initialization */
|
||||
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);
|
||||
}
|
||||
#endif
|
||||
Reference in New Issue
Block a user