On 20/07/2015 13:28, Peng Fan wrote: > 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....@freescale.com> > --- > > Changes v3: > none > > Changes v2: > Add SPL support > More commit msg for CONFIG_MX6UL_14X14_EVK_EMMC_REWORK. > > arch/arm/Kconfig | 8 + > board/freescale/mx6ul_14x14_evk/Kconfig | 15 + > board/freescale/mx6ul_14x14_evk/MAINTAINERS | 6 + > board/freescale/mx6ul_14x14_evk/Makefile | 6 + > board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c | 636 > ++++++++++++++++++++++ > configs/mx6ul_14x14_evk_defconfig | 4 + > include/configs/mx6ul_14x14_evk.h | 227 ++++++++ > 7 files changed, 902 insertions(+) > create mode 100644 board/freescale/mx6ul_14x14_evk/Kconfig > create mode 100644 board/freescale/mx6ul_14x14_evk/MAINTAINERS > create mode 100644 board/freescale/mx6ul_14x14_evk/Makefile > create mode 100644 board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c > create mode 100644 configs/mx6ul_14x14_evk_defconfig > create mode 100644 include/configs/mx6ul_14x14_evk.h > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > index 9908b43..14a622e 100644 > --- a/arch/arm/Kconfig > +++ b/arch/arm/Kconfig > @@ -575,6 +575,13 @@ 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 > @@ -920,6 +927,7 @@ 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" > diff --git a/board/freescale/mx6ul_14x14_evk/Kconfig > b/board/freescale/mx6ul_14x14_evk/Kconfig > new file mode 100644 > index 0000000..393aca6 > --- /dev/null > +++ b/board/freescale/mx6ul_14x14_evk/Kconfig > @@ -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 > diff --git a/board/freescale/mx6ul_14x14_evk/MAINTAINERS > b/board/freescale/mx6ul_14x14_evk/MAINTAINERS > new file mode 100644 > index 0000000..611feca > --- /dev/null > +++ b/board/freescale/mx6ul_14x14_evk/MAINTAINERS > @@ -0,0 +1,6 @@ > +MX6ULEVK BOARD > +M: Peng Fan <peng....@freescale.com> > +S: Maintained > +F: board/freescale/mx6ul_14x14_evk/ > +F: include/configs/mx6ul_14x14_evk.h > +F: configs/mx6ul_14x14_evk_defconfig > diff --git a/board/freescale/mx6ul_14x14_evk/Makefile > b/board/freescale/mx6ul_14x14_evk/Makefile > new file mode 100644 > index 0000000..61f6778 > --- /dev/null > +++ b/board/freescale/mx6ul_14x14_evk/Makefile > @@ -0,0 +1,6 @@ > +# (C) Copyright 2015 Freescale Semiconductor, Inc. > +# > +# SPDX-License-Identifier: GPL-2.0+ > +# > + > +obj-y := mx6ul_14x14_evk.o > diff --git a/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c > b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c > new file mode 100644 > index 0000000..8f712cb > --- /dev/null > +++ b/board/freescale/mx6ul_14x14_evk/mx6ul_14x14_evk.c > @@ -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 > diff --git a/configs/mx6ul_14x14_evk_defconfig > b/configs/mx6ul_14x14_evk_defconfig > new file mode 100644 > index 0000000..b6eefaf > --- /dev/null > +++ b/configs/mx6ul_14x14_evk_defconfig > @@ -0,0 +1,4 @@ > +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 > diff --git a/include/configs/mx6ul_14x14_evk.h > b/include/configs/mx6ul_14x14_evk.h > new file mode 100644 > index 0000000..436b022 > --- /dev/null > +++ b/include/configs/mx6ul_14x14_evk.h > @@ -0,0 +1,227 @@ > +/* > + * 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 > Applied to u-boot-imx, thanks !
Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sba...@denx.de ===================================================================== _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot