imx: mx6ul_14x14_evk add basic board support

1. Add USDHC, I2C, UART, 74LV, USB, QSPI support.
2. Support SPL
3. CONFIG_MX6UL_14X14_EVK_EMMC_REWORK is introduced, this board default
   supports sd for usdhc2, but can do hardware rework to make usdhc2 support
   emmc.

Boot Log:
U-Boot SPL 2015.07-rc3-00124-g35d727b (Jul 20 2015 - 18:40:59)
reading u-boot.img
reading u-boot.img

U-Boot 2015.07-rc3-00124-g35d727b (Jul 20 2015 - 18:40:59 +0800)

CPU:   Freescale i.MX6UL rev1.0 792 MHz (running at 396 MHz)
CPU:   Commercial temperature grade (0C to 95C)CPU:   Thermal invalid data, fuse: 0x0
 - invalid sensor device
 Reset cause: POR
 Board: MX6UL 14x14 EVK
 I2C:   ready
 DRAM:  512 MiB
 MMC:   FSL_SDHC: 0, FSL_SDHC: 1
 *** Warning - bad CRC, using default environment

 In:    serial
 Out:   serial
 Err:   serial
 Net:   CPU Net Initialization Failed
 No ethernet found.
 Hit any key to stop autoboot:  0

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
This commit is contained in:
Peng Fan 2015-07-20 19:28:35 +08:00 committed by Stefano Babic
parent 6f4b65eda9
commit f0ff57b0b2
7 changed files with 902 additions and 0 deletions

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@ -578,6 +578,13 @@ config TARGET_MX6SXSABRESD
select DM
select DM_THERMAL
config TARGET_MX6UL_14X14_EVK
bool "Support mx6ul_14x14_evk"
select CPU_V7
select DM
select DM_THERMAL
select SUPPORT_SPL
config TARGET_GW_VENTANA
bool "Support gw_ventana"
select CPU_V7
@ -915,6 +922,7 @@ source "board/freescale/mx6qsabreauto/Kconfig"
source "board/freescale/mx6sabresd/Kconfig"
source "board/freescale/mx6slevk/Kconfig"
source "board/freescale/mx6sxsabresd/Kconfig"
source "board/freescale/mx6ul_14x14_evk/Kconfig"
source "board/freescale/vf610twr/Kconfig"
source "board/gateworks/gw_ventana/Kconfig"
source "board/genesi/mx51_efikamx/Kconfig"

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@ -0,0 +1,15 @@
if TARGET_MX6UL_14X14_EVK
config SYS_BOARD
default "mx6ul_14x14_evk"
config SYS_VENDOR
default "freescale"
config SYS_SOC
default "mx6"
config SYS_CONFIG_NAME
default "mx6ul_14x14_evk"
endif

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@ -0,0 +1,6 @@
MX6ULEVK BOARD
M: Peng Fan <Peng.Fan@freescale.com>
S: Maintained
F: board/freescale/mx6ul_14x14_evk/
F: include/configs/mx6ul_14x14_evk.h
F: configs/mx6ul_14x14_evk_defconfig

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@ -0,0 +1,6 @@
# (C) Copyright 2015 Freescale Semiconductor, Inc.
#
# SPDX-License-Identifier: GPL-2.0+
#
obj-y := mx6ul_14x14_evk.o

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@ -0,0 +1,636 @@
/*
* 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 <linux/sizes.h>
#include <mmc.h>
#include <usb.h>
#include <usb/ehci-fsl.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 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, 18)
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_enable
};
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);
gpio_direction_output(IOX_OE, 1);
};
void iox74lv_set(int index)
{
int i;
gpio_direction_output(IOX_OE, 0);
for (i = 7; i >= 0; i--) {
gpio_direction_output(IOX_SHCP, 0);
if (i == index)
gpio_direction_output(IOX_SDI, seq[qn_output[i]][0]);
else
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);
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);
gpio_direction_output(IOX_OE, 1);
};
#ifdef CONFIG_SYS_I2C_MXC
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
/* I2C1 for PMIC and EEPROM */
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),
},
};
#endif
int dram_init(void)
{
gd->ram_size = PHYS_SDRAM_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_60ohm)
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),
};
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
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_USB_EHCI_MX6
setup_usb();
#endif
#ifdef CONFIG_FSL_QSPI
board_qspi_init();
#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
return 0;
}
u32 get_board_rev(void)
{
return get_cpu_rev();
}
int checkboard(void)
{
puts("Board: MX6UL 14x14 EVK\n");
return 0;
}
#ifdef CONFIG_SPL_BUILD
#include <libfdt.h>
#include <spl.h>
#include <asm/arch/mx6-ddr.h>
const 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,
};
const 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,
.grp_ddr_type = 0x000c0000,
};
const struct mx6_mmdc_calibration mx6_mmcd_calib = {
.p0_mpwldectrl0 = 0x00070007,
.p0_mpdgctrl0 = 0x41490145,
.p0_mprddlctl = 0x40404546,
.p0_mpwrdlctl = 0x4040524D,
};
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,
};
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)
{
struct mx6_ddr_sysinfo 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) */
};
mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
mx6_dram_cfg(&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);
}
void reset_cpu(ulong addr)
{
}
#endif

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CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,MX6UL"
CONFIG_ARM=y
CONFIG_TARGET_MX6UL_14X14_EVK=y
CONFIG_SPL=y

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/*
* Copyright (C) 2015 Freescale Semiconductor, Inc.
*
* Configuration settings for the Freescale i.MX6UL 14x14 EVK board.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __MX6UL_14X14_EVK_CONFIG_H
#define __MX6UL_14X14_EVK_CONFIG_H
#include <asm/arch/imx-regs.h>
#include <linux/sizes.h>
#include "mx6_common.h"
#include <asm/imx-common/gpio.h>
/* SPL options */
#define CONFIG_SPL_LIBCOMMON_SUPPORT
#define CONFIG_SPL_MMC_SUPPORT
#define CONFIG_SPL_FAT_SUPPORT
#include "imx6_spl.h"
#define CONFIG_MX6
#define CONFIG_ROM_UNIFIED_SECTIONS
#define CONFIG_SYS_GENERIC_BOARD
#define CONFIG_DISPLAY_CPUINFO
#define CONFIG_DISPLAY_BOARDINFO
/* Size of malloc() pool */
#define CONFIG_SYS_MALLOC_LEN (16 * SZ_1M)
#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_BOARD_LATE_INIT
#define CONFIG_MXC_UART
#define CONFIG_MXC_UART_BASE UART1_BASE
#define CONFIG_CMD_FUSE
#ifdef CONFIG_CMD_FUSE
#define CONFIG_MXC_OCOTP
#endif
/* MMC Configs */
#ifdef CONFIG_FSL_USDHC
#define CONFIG_SYS_FSL_ESDHC_ADDR USDHC2_BASE_ADDR
/* NAND pin conflicts with usdhc2 */
#ifdef CONFIG_NAND_MXS
#define CONFIG_SYS_FSL_USDHC_NUM 1
#else
#define CONFIG_SYS_FSL_USDHC_NUM 2
#endif
#define CONFIG_SUPPORT_EMMC_BOOT /* eMMC specific */
#endif
#undef CONFIG_BOOTM_NETBSD
#undef CONFIG_BOOTM_PLAN9
#undef CONFIG_BOOTM_RTEMS
#undef CONFIG_CMD_EXPORTENV
#undef CONFIG_CMD_IMPORTENV
/* I2C configs */
#define CONFIG_CMD_I2C
#ifdef CONFIG_CMD_I2C
#define CONFIG_SYS_I2C
#define CONFIG_SYS_I2C_MXC
#define CONFIG_SYS_I2C_SPEED 100000
#endif
#define PHYS_SDRAM_SIZE SZ_512M
#undef CONFIG_CMD_IMLS
#define CONFIG_SYS_MMC_IMG_LOAD_PART 1
#define CONFIG_EXTRA_ENV_SETTINGS \
"script=boot.scr\0" \
"image=zImage\0" \
"console=ttymxc0\0" \
"fdt_high=0xffffffff\0" \
"initrd_high=0xffffffff\0" \
"fdt_file=imx6ul-14x14-evk.dtb\0" \
"fdt_addr=0x83000000\0" \
"boot_fdt=try\0" \
"ip_dyn=yes\0" \
"mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
"mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
"mmcautodetect=yes\0" \
"mmcargs=setenv bootargs console=${console},${baudrate} " \
"root=${mmcroot}\0" \
"loadbootscript=" \
"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
"bootscript=echo Running bootscript from mmc ...; " \
"source\0" \
"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
"mmcboot=echo Booting from mmc ...; " \
"run mmcargs; " \
"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
"if run loadfdt; then " \
"bootz ${loadaddr} - ${fdt_addr}; " \
"else " \
"if test ${boot_fdt} = try; then " \
"bootz; " \
"else " \
"echo WARN: Cannot load the DT; " \
"fi; " \
"fi; " \
"else " \
"bootz; " \
"fi;\0" \
"netargs=setenv bootargs console=${console},${baudrate} " \
"root=/dev/nfs " \
"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
"netboot=echo Booting from net ...; " \
"run netargs; " \
"if test ${ip_dyn} = yes; then " \
"setenv get_cmd dhcp; " \
"else " \
"setenv get_cmd tftp; " \
"fi; " \
"${get_cmd} ${image}; " \
"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
"bootz ${loadaddr} - ${fdt_addr}; " \
"else " \
"if test ${boot_fdt} = try; then " \
"bootz; " \
"else " \
"echo WARN: Cannot load the DT; " \
"fi; " \
"fi; " \
"else " \
"bootz; " \
"fi;\0"
#define CONFIG_BOOTCOMMAND \
"mmc dev ${mmcdev};" \
"mmc dev ${mmcdev}; if mmc rescan; then " \
"if run loadbootscript; then " \
"run bootscript; " \
"else " \
"if run loadimage; then " \
"run mmcboot; " \
"else run netboot; " \
"fi; " \
"fi; " \
"else run netboot; fi"
/* Miscellaneous configurable options */
#define CONFIG_SYS_PROMPT "=> "
/* Print Buffer Size */
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
#define CONFIG_CMD_MEMTEST
#define CONFIG_SYS_MEMTEST_START 0x80000000
#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x10000000)
#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
#define CONFIG_SYS_HZ 1000
#define CONFIG_CMDLINE_EDITING
#define CONFIG_STACKSIZE SZ_128K
/* Physical Memory Map */
#define CONFIG_NR_DRAM_BANKS 1
#define PHYS_SDRAM MMDC0_ARB_BASE_ADDR
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM
#define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR
#define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE
#define CONFIG_SYS_INIT_SP_OFFSET \
(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_ADDR \
(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
/* FLASH and environment organization */
#define CONFIG_SYS_NO_FLASH
#define CONFIG_ENV_SIZE SZ_8K
#define CONFIG_ENV_IS_IN_MMC
#define CONFIG_ENV_OFFSET (8 * SZ_64K)
#define CONFIG_SYS_MMC_ENV_DEV 1 /* USDHC2 */
#define CONFIG_SYS_MMC_ENV_PART 0 /* user area */
#define CONFIG_MMCROOT "/dev/mmcblk1p2" /* USDHC2 */
#define CONFIG_OF_LIBFDT
#define CONFIG_CMD_BOOTZ
#define CONFIG_CMD_BMODE
#ifndef CONFIG_SYS_DCACHE_OFF
#define CONFIG_CMD_CACHE
#endif
#define CONFIG_FSL_QSPI
#ifdef CONFIG_FSL_QSPI
#define CONFIG_CMD_SF
#define CONFIG_SPI_FLASH
#define CONFIG_SPI_FLASH_STMICRO
#define CONFIG_SPI_FLASH_BAR
#define CONFIG_SF_DEFAULT_BUS 0
#define CONFIG_SF_DEFAULT_CS 0
#define CONFIG_SF_DEFAULT_SPEED 40000000
#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
#define FSL_QSPI_FLASH_NUM 1
#define FSL_QSPI_FLASH_SIZE SZ_32M
#endif
/* USB Configs */
#define CONFIG_CMD_USB
#ifdef CONFIG_CMD_USB
#define CONFIG_USB_EHCI
#define CONFIG_USB_EHCI_MX6
#define CONFIG_USB_STORAGE
#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW)
#define CONFIG_MXC_USB_FLAGS 0
#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
#endif
#define CONFIG_IMX6_THERMAL
#endif