diff options
Diffstat (limited to 'board/technexion')
-rw-r--r-- | board/technexion/pico-imx6/Kconfig | 15 | ||||
-rw-r--r-- | board/technexion/pico-imx6/MAINTAINERS | 9 | ||||
-rw-r--r-- | board/technexion/pico-imx6/Makefile | 5 | ||||
-rw-r--r-- | board/technexion/pico-imx6/README | 73 | ||||
-rw-r--r-- | board/technexion/pico-imx6/pico-imx6.c | 362 | ||||
-rw-r--r-- | board/technexion/pico-imx6/spl.c | 314 | ||||
-rw-r--r-- | board/technexion/pico-imx6ul/README | 8 | ||||
-rw-r--r-- | board/technexion/pico-imx6ul/pico-imx6ul.c | 55 | ||||
-rw-r--r-- | board/technexion/pico-imx6ul/spl.c | 4 | ||||
-rw-r--r-- | board/technexion/pico-imx7d/MAINTAINERS | 2 | ||||
-rw-r--r-- | board/technexion/pico-imx7d/README | 91 | ||||
-rw-r--r-- | board/technexion/pico-imx7d/pico-imx7d.c | 47 | ||||
-rw-r--r-- | board/technexion/pico-imx7d/spl.c | 4 |
13 files changed, 941 insertions, 48 deletions
diff --git a/board/technexion/pico-imx6/Kconfig b/board/technexion/pico-imx6/Kconfig new file mode 100644 index 0000000000..4af18e53bc --- /dev/null +++ b/board/technexion/pico-imx6/Kconfig @@ -0,0 +1,15 @@ +if TARGET_PICO_IMX6 + +config SYS_BOARD + default "pico-imx6" + +config SYS_VENDOR + default "technexion" + +config SYS_SOC + default "mx6" + +config SYS_CONFIG_NAME + default "pico-imx6" + +endif diff --git a/board/technexion/pico-imx6/MAINTAINERS b/board/technexion/pico-imx6/MAINTAINERS new file mode 100644 index 0000000000..dd6fb96e44 --- /dev/null +++ b/board/technexion/pico-imx6/MAINTAINERS @@ -0,0 +1,9 @@ +TECHNEXION PICO-IMX6 BOARD +M: Fabio Estevam <festevam@gmail.com> +S: Maintained +F: arch/arm/dts/imx6qdl-pico.dtsi +F: arch/arm/dts/imx6q-pico.dts +F: arch/arm/dts/imx6dl-pico.dts +F: board/technexion/pico-imx6/ +F: include/configs/pico-imx6.h +F: configs/pico-imx6_defconfig diff --git a/board/technexion/pico-imx6/Makefile b/board/technexion/pico-imx6/Makefile new file mode 100644 index 0000000000..ddb1604f1d --- /dev/null +++ b/board/technexion/pico-imx6/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# (C) Copyright 2013 Freescale Semiconductor, Inc. + +obj-y := pico-imx6.o spl.o diff --git a/board/technexion/pico-imx6/README b/board/technexion/pico-imx6/README new file mode 100644 index 0000000000..f1e84bfe82 --- /dev/null +++ b/board/technexion/pico-imx6/README @@ -0,0 +1,73 @@ +How to Update U-Boot on pico-imx6q/dl boards +-------------------------------------------- + +Required software on the host PC: + +- UUU: https://github.com/NXPmicro/mfgtools + +Build U-Boot for pico: + +$ make mrproper +$ make pico-imx6_defconfig +$ make + +This generates the SPL and u-boot-dtb.img binaries. + +1. Loading U-Boot via USB Serial Download Protocol + +Note: This method is convenient for development purposes. +If the eMMC has already a U-Boot flashed then the user can +go to step 2 below in order to update U-Boot. + +Put pico board in USB download mode (Refer to the following link for details: +https://www.technexion.com/support/knowledgebase/boot-configuration-settings-for-pico-baseboards/). + +Connect a USB to serial adapter between the host PC and pico. + +Connect a USB cable between the OTG pico port and the host PC. + +Open a terminal program such as minicom. + +Copy SPL and u-boot-dtb.img to the uuu folder. + +Load the U-Boot via USB: + +$ sudo ./uuu -v uuu_script + +where uuu_script contains the following: + +SDP: boot -f SPL +SDPU: write -f u-boot-dtb.img -addr 0x10000000 +SDPU: jump -addr 0x10000000 + +Then U-Boot starts and its messages appear in the console program. + +Use the default environment variables: + +=> env default -f -a +=> saveenv + +2. Flashing U-Boot into the eMMC + +The default U-Boot environment expects the use of eMMC user +partition. To ensure we are using the proper eMMC partition for boot, +please run: + +=> mmc partconf 0 0 0 0 + +Next, run the DFU agent so we can flash the new images using dfu-util +tool: + +=> dfu 0 mmc 0 + +Flash SPL and u-boot-dtb.img into the eMMC running the following commands on a PC: + +$ sudo dfu-util -D SPL -a spl + +$ sudo dfu-util -D u-boot-dtb.img -a u-boot + +Remove power from the pico board. + +Put pico board into normal boot mode. + +Power up the board and the new updated U-Boot should boot from eMMC. diff --git a/board/technexion/pico-imx6/pico-imx6.c b/board/technexion/pico-imx6/pico-imx6.c new file mode 100644 index 0000000000..f8eeb40555 --- /dev/null +++ b/board/technexion/pico-imx6/pico-imx6.c @@ -0,0 +1,362 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2013 Freescale Semiconductor, Inc. + * Copyright (C) 2014 O.S. Systems Software LTDA. + * + * Author: Fabio Estevam <festevam@gmail.com> + */ + +#include <asm/arch/clock.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/mx6-pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/gpio.h> +#include <asm/arch/mxc_hdmi.h> +#include <asm/mach-imx/video.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm/io.h> +#include <linux/sizes.h> +#include <common.h> +#include <miiphy.h> +#include <netdev.h> +#include <phy.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ + PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +#define ETH_PHY_RESET IMX_GPIO_NR(1, 26) +#define LVDS0_EN IMX_GPIO_NR(2, 8) +#define LVDS0_BL_EN IMX_GPIO_NR(2, 9) + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + + return 0; +} + +static iomux_v3_cfg_t const uart1_pads[] = { + IOMUX_PADS(PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), + IOMUX_PADS(PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), +}; + +static void setup_iomux_uart(void) +{ + SETUP_IOMUX_PADS(uart1_pads); +} + +static iomux_v3_cfg_t const lvds_pads[] = { + /* lvds */ + IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT1__GPIO2_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DI0_PIN2__IPU1_DI0_PIN02 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_DI0_PIN3__IPU1_DI0_PIN03 | MUX_PAD_CTRL(NO_PAD_CTRL)), +}; + +static iomux_v3_cfg_t const enet_pads[] = { + IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL | + MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | + MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)), + /* AR8035 PHY Reset */ + IOMUX_PADS(PAD_ENET_RXD1__GPIO1_IO26 | MUX_PAD_CTRL(NO_PAD_CTRL)), +}; + +static void setup_iomux_enet(void) +{ + SETUP_IOMUX_PADS(enet_pads); + + /* Reset AR8031 PHY */ + gpio_request(ETH_PHY_RESET, "enet_phy_reset"); + gpio_direction_output(ETH_PHY_RESET, 0); + udelay(500); + gpio_set_value(ETH_PHY_RESET, 1); +} + +#if defined(CONFIG_VIDEO_IPUV3) +static iomux_v3_cfg_t const ft5x06_wvga_pads[] = { + IOMUX_PADS(PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK), + IOMUX_PADS(PAD_DI0_PIN2__IPU1_DI0_PIN02), /* HSync */ + IOMUX_PADS(PAD_DI0_PIN3__IPU1_DI0_PIN03), /* VSync */ + IOMUX_PADS(PAD_DI0_PIN4__IPU1_DI0_PIN04 | MUX_PAD_CTRL(PAD_CTL_DSE_120ohm)), /* Contrast */ + IOMUX_PADS(PAD_DI0_PIN15__IPU1_DI0_PIN15), /* DISP0_DRDY */ + IOMUX_PADS(PAD_DISP0_DAT0__IPU1_DISP0_DATA00), + IOMUX_PADS(PAD_DISP0_DAT1__IPU1_DISP0_DATA01), + IOMUX_PADS(PAD_DISP0_DAT2__IPU1_DISP0_DATA02), + IOMUX_PADS(PAD_DISP0_DAT3__IPU1_DISP0_DATA03), + IOMUX_PADS(PAD_DISP0_DAT4__IPU1_DISP0_DATA04), + IOMUX_PADS(PAD_DISP0_DAT5__IPU1_DISP0_DATA05), + IOMUX_PADS(PAD_DISP0_DAT6__IPU1_DISP0_DATA06), + IOMUX_PADS(PAD_DISP0_DAT7__IPU1_DISP0_DATA07), + IOMUX_PADS(PAD_DISP0_DAT8__IPU1_DISP0_DATA08), + IOMUX_PADS(PAD_DISP0_DAT9__IPU1_DISP0_DATA09), + IOMUX_PADS(PAD_DISP0_DAT10__IPU1_DISP0_DATA10), + IOMUX_PADS(PAD_DISP0_DAT11__IPU1_DISP0_DATA11), + IOMUX_PADS(PAD_DISP0_DAT12__IPU1_DISP0_DATA12), + IOMUX_PADS(PAD_DISP0_DAT13__IPU1_DISP0_DATA13), + IOMUX_PADS(PAD_DISP0_DAT14__IPU1_DISP0_DATA14), + IOMUX_PADS(PAD_DISP0_DAT15__IPU1_DISP0_DATA15), + IOMUX_PADS(PAD_DISP0_DAT16__IPU1_DISP0_DATA16), + IOMUX_PADS(PAD_DISP0_DAT17__IPU1_DISP0_DATA17), + IOMUX_PADS(PAD_DISP0_DAT18__IPU1_DISP0_DATA18), + IOMUX_PADS(PAD_DISP0_DAT19__IPU1_DISP0_DATA19), + IOMUX_PADS(PAD_DISP0_DAT20__IPU1_DISP0_DATA20), + IOMUX_PADS(PAD_DISP0_DAT21__IPU1_DISP0_DATA21), + IOMUX_PADS(PAD_DISP0_DAT22__IPU1_DISP0_DATA22), + IOMUX_PADS(PAD_DISP0_DAT23__IPU1_DISP0_DATA23), + IOMUX_PADS(PAD_SD4_DAT2__GPIO2_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL)), /* DISP0_BKLEN */ + IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL)), /* DISP0_VDDEN */ +}; + +static void do_enable_hdmi(struct display_info_t const *dev) +{ + imx_enable_hdmi_phy(); +} + +static void enable_lvds(struct display_info_t const *dev) +{ + struct iomuxc *iomux = (struct iomuxc *) + IOMUXC_BASE_ADDR; + + /* set CH0 data width to 24bit (IOMUXC_GPR2:5 0=18bit, 1=24bit) */ + u32 reg = readl(&iomux->gpr[2]); + reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT; + writel(reg, &iomux->gpr[2]); + + /* Enable Backlight - use GPIO for Brightness adjustment */ + SETUP_IOMUX_PAD(PAD_SD4_DAT1__GPIO2_IO09); + gpio_request(IMX_GPIO_NR(2, 9), "backlight_enable"); + gpio_direction_output(IMX_GPIO_NR(2, 9), 1); + + gpio_request(IMX_GPIO_NR(2, 8), "brightness"); + SETUP_IOMUX_PAD(PAD_SD4_DAT0__GPIO2_IO08); + gpio_direction_output(IMX_GPIO_NR(2, 8), 1); +} + +static void enable_ft5x06_wvga(struct display_info_t const *dev) +{ + SETUP_IOMUX_PADS(ft5x06_wvga_pads); + + gpio_request(IMX_GPIO_NR(2, 10), "parallel_enable"); + gpio_request(IMX_GPIO_NR(2, 11), "parallel_brightness"); + gpio_direction_output(IMX_GPIO_NR(2, 10), 1); + gpio_direction_output(IMX_GPIO_NR(2, 11), 1); +} + +struct display_info_t const displays[] = {{ + .bus = 1, + .addr = 0x38, + .pixfmt = IPU_PIX_FMT_RGB24, + .detect = NULL, + .enable = enable_ft5x06_wvga, + .mode = { + .name = "FT5x06-WVGA", + .refresh = 60, + .xres = 800, + .yres = 480, + .pixclock = 30303, + .left_margin = 45, + .right_margin = 210, + .upper_margin = 22, + .lower_margin = 22, + .hsync_len = 1, + .vsync_len = 1, + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED +} }, { + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB24, + .detect = NULL, + .enable = enable_lvds, + .mode = { + .name = "hj070na", + .refresh = 60, + .xres = 1024, + .yres = 600, + .pixclock = 15385, + .left_margin = 220, + .right_margin = 40, + .upper_margin = 21, + .lower_margin = 7, + .hsync_len = 60, + .vsync_len = 10, + .sync = FB_SYNC_EXT, + .vmode = FB_VMODE_NONINTERLACED +} }, { + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB24, + .detect = detect_hdmi, + .enable = do_enable_hdmi, + .mode = { + .name = "HDMI", + .refresh = 60, + .xres = 1024, + .yres = 768, + .pixclock = 15385, + .left_margin = 220, + .right_margin = 40, + .upper_margin = 21, + .lower_margin = 7, + .hsync_len = 60, + .vsync_len = 10, + .sync = FB_SYNC_EXT, + .vmode = FB_VMODE_NONINTERLACED +} } }; +size_t display_count = ARRAY_SIZE(displays); + +static void setup_display(void) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + int reg; + + /* Setup HSYNC, VSYNC, DISP_CLK for debugging purposes */ + SETUP_IOMUX_PADS(lvds_pads); + gpio_request(LVDS0_EN, "lvds0_enable"); + gpio_request(LVDS0_BL_EN, "lvds0_bl_enable"); + gpio_direction_output(LVDS0_EN, 1); + gpio_direction_output(LVDS0_BL_EN, 1); + + enable_ipu_clock(); + imx_setup_hdmi(); + + reg = __raw_readl(&mxc_ccm->CCGR3); + reg |= MXC_CCM_CCGR3_LDB_DI0_MASK | MXC_CCM_CCGR3_LDB_DI1_MASK; + writel(reg, &mxc_ccm->CCGR3); + + /* set LDB0, LDB1 clk select to 011/011 */ + reg = readl(&mxc_ccm->cs2cdr); + reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK + | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK); + reg |= (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) + | (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET); + writel(reg, &mxc_ccm->cs2cdr); + + reg = readl(&mxc_ccm->cscmr2); + reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV | MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV; + writel(reg, &mxc_ccm->cscmr2); + + reg = readl(&mxc_ccm->chsccdr); + reg |= (CHSCCDR_CLK_SEL_LDB_DI0 + << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); + reg |= (CHSCCDR_CLK_SEL_LDB_DI0 + << MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET); + writel(reg, &mxc_ccm->chsccdr); + + reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES + | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW + | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW + | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG + | IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT + | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG + | IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT + | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0 + | IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0; + writel(reg, &iomux->gpr[2]); + reg = readl(&iomux->gpr[3]); + + reg = (reg & ~(IOMUXC_GPR3_LVDS0_MUX_CTL_MASK + | IOMUXC_GPR3_HDMI_MUX_CTL_MASK)) + | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 + << IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET); + + writel(reg, &iomux->gpr[3]); +} +#endif /* CONFIG_VIDEO_IPUV3 */ + +int board_early_init_f(void) +{ + setup_iomux_uart(); + +#if defined(CONFIG_VIDEO_IPUV3) + setup_display(); +#endif + + return 0; +} + +int board_eth_init(bd_t *bis) +{ + setup_iomux_enet(); + + return cpu_eth_init(bis); +} + +int board_phy_config(struct phy_device *phydev) +{ + unsigned short val; + + /* To enable AR8035 ouput a 125MHz clk from CLK_25M */ + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016); + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); + + val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); + val &= 0xffe7; + val |= 0x18; + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); + + /* introduce tx clock delay */ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5); + val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); + val |= 0x0100; + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val); + + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + +int overwrite_console(void) +{ + return 1; +} + +int board_late_init(void) +{ + if (is_mx6dq()) + env_set("board_rev", "MX6Q"); + else + env_set("board_rev", "MX6DL"); + + return 0; +} + +int board_init(void) +{ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + return 0; +} + +int checkboard(void) +{ + puts("Board: PICO-IMX6\n"); + + return 0; +} diff --git a/board/technexion/pico-imx6/spl.c b/board/technexion/pico-imx6/spl.c new file mode 100644 index 0000000000..06ad0a8c32 --- /dev/null +++ b/board/technexion/pico-imx6/spl.c @@ -0,0 +1,314 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2015 Technexion Ltd. + * + * Author: Richard Hu <richard.hu@technexion.com> + * Fabio Estevam <festevam@gmail.com> + */ + +#include <asm/arch/clock.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mx6-pins.h> +#include <linux/errno.h> +#include <asm/gpio.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm/mach-imx/video.h> +#include <mmc.h> +#include <fsl_esdhc_imx.h> +#include <asm/arch/crm_regs.h> +#include <asm/io.h> +#include <asm/arch/sys_proto.h> +#include <spl.h> + +#if defined(CONFIG_SPL_BUILD) +#include <asm/arch/mx6-ddr.h> + +#define IMX6DQ_DRIVE_STRENGTH 0x30 +#define IMX6SDL_DRIVE_STRENGTH 0x28 + +#ifdef CONFIG_SPL_OS_BOOT +int spl_start_uboot(void) +{ + /* Break into full U-Boot on 'c' */ + if (serial_tstc() && serial_getc() == 'c') + return 1; + + return 0; +} +#endif + +/* configure MX6Q/DUAL mmdc DDR io registers */ +static struct mx6dq_iomux_ddr_regs mx6dq_ddr_ioregs = { + .dram_sdclk_0 = IMX6DQ_DRIVE_STRENGTH, + .dram_sdclk_1 = IMX6DQ_DRIVE_STRENGTH, + .dram_cas = IMX6DQ_DRIVE_STRENGTH, + .dram_ras = IMX6DQ_DRIVE_STRENGTH, + .dram_reset = IMX6DQ_DRIVE_STRENGTH, + .dram_sdcke0 = IMX6DQ_DRIVE_STRENGTH, + .dram_sdcke1 = IMX6DQ_DRIVE_STRENGTH, + .dram_sdba2 = 0x00000000, + .dram_sdodt0 = IMX6DQ_DRIVE_STRENGTH, + .dram_sdodt1 = IMX6DQ_DRIVE_STRENGTH, + .dram_sdqs0 = IMX6DQ_DRIVE_STRENGTH, + .dram_sdqs1 = IMX6DQ_DRIVE_STRENGTH, + .dram_sdqs2 = IMX6DQ_DRIVE_STRENGTH, + .dram_sdqs3 = IMX6DQ_DRIVE_STRENGTH, + .dram_sdqs4 = IMX6DQ_DRIVE_STRENGTH, + .dram_sdqs5 = IMX6DQ_DRIVE_STRENGTH, + .dram_sdqs6 = IMX6DQ_DRIVE_STRENGTH, + .dram_sdqs7 = IMX6DQ_DRIVE_STRENGTH, + .dram_dqm0 = IMX6DQ_DRIVE_STRENGTH, + .dram_dqm1 = IMX6DQ_DRIVE_STRENGTH, + .dram_dqm2 = IMX6DQ_DRIVE_STRENGTH, + .dram_dqm3 = IMX6DQ_DRIVE_STRENGTH, + .dram_dqm4 = IMX6DQ_DRIVE_STRENGTH, + .dram_dqm5 = IMX6DQ_DRIVE_STRENGTH, + .dram_dqm6 = IMX6DQ_DRIVE_STRENGTH, + .dram_dqm7 = IMX6DQ_DRIVE_STRENGTH, +}; + +/* configure MX6Q/DUAL mmdc GRP io registers */ +static struct mx6dq_iomux_grp_regs mx6dq_grp_ioregs = { + .grp_ddr_type = 0x000c0000, + .grp_ddrmode_ctl = 0x00020000, + .grp_ddrpke = 0x00000000, + .grp_addds = IMX6DQ_DRIVE_STRENGTH, + .grp_ctlds = IMX6DQ_DRIVE_STRENGTH, + .grp_ddrmode = 0x00020000, + .grp_b0ds = IMX6DQ_DRIVE_STRENGTH, + .grp_b1ds = IMX6DQ_DRIVE_STRENGTH, + .grp_b2ds = IMX6DQ_DRIVE_STRENGTH, + .grp_b3ds = IMX6DQ_DRIVE_STRENGTH, + .grp_b4ds = IMX6DQ_DRIVE_STRENGTH, + .grp_b5ds = IMX6DQ_DRIVE_STRENGTH, + .grp_b6ds = IMX6DQ_DRIVE_STRENGTH, + .grp_b7ds = IMX6DQ_DRIVE_STRENGTH, +}; + +/* configure MX6SOLO/DUALLITE mmdc DDR io registers */ +struct mx6sdl_iomux_ddr_regs mx6sdl_ddr_ioregs = { + .dram_sdclk_0 = IMX6SDL_DRIVE_STRENGTH, + .dram_sdclk_1 = IMX6SDL_DRIVE_STRENGTH, + .dram_cas = IMX6SDL_DRIVE_STRENGTH, + .dram_ras = IMX6SDL_DRIVE_STRENGTH, + .dram_reset = IMX6SDL_DRIVE_STRENGTH, + .dram_sdcke0 = IMX6SDL_DRIVE_STRENGTH, + .dram_sdcke1 = IMX6SDL_DRIVE_STRENGTH, + .dram_sdba2 = 0x00000000, + .dram_sdodt0 = IMX6SDL_DRIVE_STRENGTH, + .dram_sdodt1 = IMX6SDL_DRIVE_STRENGTH, + .dram_sdqs0 = IMX6SDL_DRIVE_STRENGTH, + .dram_sdqs1 = IMX6SDL_DRIVE_STRENGTH, + .dram_sdqs2 = IMX6SDL_DRIVE_STRENGTH, + .dram_sdqs3 = IMX6SDL_DRIVE_STRENGTH, + .dram_sdqs4 = IMX6SDL_DRIVE_STRENGTH, + .dram_sdqs5 = IMX6SDL_DRIVE_STRENGTH, + .dram_sdqs6 = IMX6SDL_DRIVE_STRENGTH, + .dram_sdqs7 = IMX6SDL_DRIVE_STRENGTH, + .dram_dqm0 = IMX6SDL_DRIVE_STRENGTH, + .dram_dqm1 = IMX6SDL_DRIVE_STRENGTH, + .dram_dqm2 = IMX6SDL_DRIVE_STRENGTH, + .dram_dqm3 = IMX6SDL_DRIVE_STRENGTH, + .dram_dqm4 = IMX6SDL_DRIVE_STRENGTH, + .dram_dqm5 = IMX6SDL_DRIVE_STRENGTH, + .dram_dqm6 = IMX6SDL_DRIVE_STRENGTH, + .dram_dqm7 = IMX6SDL_DRIVE_STRENGTH, +}; + +/* configure MX6SOLO/DUALLITE mmdc GRP io registers */ +struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = { + .grp_ddr_type = 0x000c0000, + .grp_ddrmode_ctl = 0x00020000, + .grp_ddrpke = 0x00000000, + .grp_addds = IMX6SDL_DRIVE_STRENGTH, + .grp_ctlds = IMX6SDL_DRIVE_STRENGTH, + .grp_ddrmode = 0x00020000, + .grp_b0ds = IMX6SDL_DRIVE_STRENGTH, + .grp_b1ds = IMX6SDL_DRIVE_STRENGTH, + .grp_b2ds = IMX6SDL_DRIVE_STRENGTH, + .grp_b3ds = IMX6SDL_DRIVE_STRENGTH, + .grp_b4ds = IMX6SDL_DRIVE_STRENGTH, + .grp_b5ds = IMX6SDL_DRIVE_STRENGTH, + .grp_b6ds = IMX6SDL_DRIVE_STRENGTH, + .grp_b7ds = IMX6SDL_DRIVE_STRENGTH, +}; + +/* H5T04G63AFR-PB for i.mx6Solo/DL operating DDR at 400MHz */ +static struct mx6_ddr3_cfg h5t04g63afr = { + .mem_speed = 800, + .density = 4, + .width = 16, + .banks = 8, + .rowaddr = 15, + .coladdr = 10, + .pagesz = 2, + .trcd = 1500, + .trcmin = 5250, + .trasmin = 3750, +}; + +/* H5TQ2G63FFR-H9 for i.mx6Solo/DL operating DDR at 400MHz */ +static struct mx6_ddr3_cfg h5tq2g63ffr = { + .mem_speed = 800, + .density = 2, + .width = 16, + .banks = 8, + .rowaddr = 14, + .coladdr = 10, + .pagesz = 2, + .trcd = 1500, + .trcmin = 5250, + .trasmin = 3750, +}; + +static struct mx6_mmdc_calibration mx6q_1g_mmdc_calib = { + .p0_mpwldectrl0 = 0x00000000, + .p0_mpwldectrl1 = 0x00000000, + .p1_mpwldectrl0 = 0x00000000, + .p1_mpwldectrl1 = 0x00000000, + .p0_mpdgctrl0 = 0x032C0340, + .p0_mpdgctrl1 = 0x03300324, + .p1_mpdgctrl0 = 0x032C0338, + .p1_mpdgctrl1 = 0x03300274, + .p0_mprddlctl = 0x423A383E, + .p1_mprddlctl = 0x3638323E, + .p0_mpwrdlctl = 0x363C4640, + .p1_mpwrdlctl = 0x4034423C, +}; + +/* DDR 32bit */ +static struct mx6_ddr_sysinfo mem_s = { + .dsize = 1, + .cs1_mirror = 0, + /* config for full 4GB range so that get_mem_size() works */ + .cs_density = 32, + .ncs = 1, + .bi_on = 1, + .rtt_nom = 1, + .rtt_wr = 0, + .ralat = 5, + .walat = 0, + .mif3_mode = 3, + .rst_to_cke = 0x23, + .sde_to_rst = 0x10, +}; + +static struct mx6_mmdc_calibration mx6dl_1g_mmdc_calib = { + .p0_mpwldectrl0 = 0x001f001f, + .p0_mpwldectrl1 = 0x001f001f, + .p1_mpwldectrl0 = 0x001f001f, + .p1_mpwldectrl1 = 0x001f001f, + .p0_mpdgctrl0 = 0x420e020e, + .p0_mpdgctrl1 = 0x02000200, + .p1_mpdgctrl0 = 0x42020202, + .p1_mpdgctrl1 = 0x01720172, + .p0_mprddlctl = 0x494c4f4c, + .p1_mprddlctl = 0x4a4c4c49, + .p0_mpwrdlctl = 0x3f3f3133, + .p1_mpwrdlctl = 0x39373f2e, +}; + +static struct mx6_mmdc_calibration mx6s_512m_mmdc_calib = { + .p0_mpwldectrl0 = 0x0040003c, + .p0_mpwldectrl1 = 0x0032003e, + .p0_mpdgctrl0 = 0x42350231, + .p0_mpdgctrl1 = 0x021a0218, + .p0_mprddlctl = 0x4b4b4e49, + .p0_mpwrdlctl = 0x3f3f3035, +}; + +static void ccgr_init(void) +{ + struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + writel(0x00C03F3F, &ccm->CCGR0); + writel(0x0030FC03, &ccm->CCGR1); + writel(0x0FFFC000, &ccm->CCGR2); + writel(0x3FF03000, &ccm->CCGR3); + writel(0x00FFF300, &ccm->CCGR4); + writel(0x0F0000C3, &ccm->CCGR5); + writel(0x000003FF, &ccm->CCGR6); +} + +static void spl_dram_init(void) +{ + if (is_mx6solo()) { + mx6sdl_dram_iocfg(32, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs); + mx6_dram_cfg(&mem_s, &mx6s_512m_mmdc_calib, &h5tq2g63ffr); + } else if (is_mx6dl()) { + mx6sdl_dram_iocfg(32, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs); + mx6_dram_cfg(&mem_s, &mx6dl_1g_mmdc_calib, &h5t04g63afr); + } else if (is_mx6dq()) { + mx6dq_dram_iocfg(32, &mx6dq_ddr_ioregs, &mx6dq_grp_ioregs); + mx6_dram_cfg(&mem_s, &mx6q_1g_mmdc_calib, &h5t04g63afr); + } + + udelay(100); +} + +void board_init_f(ulong dummy) +{ + ccgr_init(); + + /* setup AIPS and disable watchdog */ + arch_cpu_init(); + + gpr_init(); + + /* iomux */ + 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(); +} + +#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \ + PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ + PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +static struct fsl_esdhc_cfg usdhc_cfg[1] = { + {USDHC3_BASE_ADDR}, +}; + +static iomux_v3_cfg_t const usdhc3_pads[] = { + IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + /* SOM MicroSD Card Detect */ + IOMUX_PADS(PAD_EIM_DA9__GPIO3_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL)), +}; + +int board_mmc_getcd(struct mmc *mmc) +{ + return 1; +} + +int board_mmc_init(bd_t *bis) +{ + SETUP_IOMUX_PADS(usdhc3_pads); + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); +} +#endif + +#ifdef CONFIG_SPL_LOAD_FIT +int board_fit_config_name_match(const char *name) +{ + if (is_mx6dq() && !strcmp(name, "imx6q-pico")) + return 0; + else if ((is_mx6dl() || is_mx6solo()) && !strcmp(name, "imx6dl-pico")) + return 0; + + return -EINVAL; +} +#endif diff --git a/board/technexion/pico-imx6ul/README b/board/technexion/pico-imx6ul/README index bb8ee3f463..40d4344142 100644 --- a/board/technexion/pico-imx6ul/README +++ b/board/technexion/pico-imx6ul/README @@ -75,7 +75,7 @@ $ make imx_v6_v7_defconfig (Using the default imx_v6_v7_defconfig configuration just for an example. In order to boot faster the user should customize the defconfig by only enabling the minimal required drivers). -$ make -j4 uImage LOADADDR=0x80800000 +$ make -j4 uImage LOADADDR=0x80008000 $ cp arch/arm/boot/uImage /tftpboot $ cp arch/arm/boot/dts/imx6ul-pico-hobbit.dtb /tftpboot @@ -93,7 +93,7 @@ Get the kernel: => tftp ${loadaddr} uImage Write the kernel at 2MB offset: -=> mmc write ${loadaddr} 0x1000 0x4000 +=> mmc write ${loadaddr} 0x1000 0x5000 Setup the bootargs: => setenv bootargs 'console=ttymxc5,115200 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait rw' @@ -104,8 +104,8 @@ Prepare args: Image Name: Linux-4.19.0-rc2-next-20180905-0 Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 8365608 Bytes = 8 MiB - Load Address: 80800000 - Entry Point: 80800000 + Load Address: 80008000 + Entry Point: 80008000 Verifying Checksum ... OK ## Flattened Device Tree blob at 83000000 Booting using the fdt blob at 0x83000000 diff --git a/board/technexion/pico-imx6ul/pico-imx6ul.c b/board/technexion/pico-imx6ul/pico-imx6ul.c index 95b482a602..e27a03c212 100644 --- a/board/technexion/pico-imx6ul/pico-imx6ul.c +++ b/board/technexion/pico-imx6ul/pico-imx6ul.c @@ -42,6 +42,9 @@ DECLARE_GLOBAL_DATA_PTR; #define ENET_CLK_PAD_CTRL (PAD_CTL_DSE_40ohm | 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 RMII_PHY_RESET IMX_GPIO_NR(1, 28) static iomux_v3_cfg_t const fec_pads[] = { @@ -105,6 +108,54 @@ static int setup_fec(void) return 0; } +#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_BLT_CTRL: GPIO for Brightness adjustment */ + MX6_PAD_NAND_ALE__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* LCD_VDD_EN: LCD enabled */ + MX6_PAD_JTAG_TMS__GPIO1_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +void setup_lcd(void) +{ + imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads)); + gpio_request(IMX_GPIO_NR(4, 10), "lcd_brightness"); + gpio_request(IMX_GPIO_NR(1, 11), "lcd_enable"); + /* Set Brightness to high */ + gpio_direction_output(IMX_GPIO_NR(4, 10) , 1); + /* Set LCD enable to high */ + gpio_direction_output(IMX_GPIO_NR(1, 11) , 1); +} +#endif + int board_phy_config(struct phy_device *phydev) { phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190); @@ -214,7 +265,9 @@ int board_init(void) setup_fec(); setup_usb(); - +#ifdef CONFIG_VIDEO_MXS + setup_lcd(); +#endif return 0; } diff --git a/board/technexion/pico-imx6ul/spl.c b/board/technexion/pico-imx6ul/spl.c index 284aa40db6..7f520beeb0 100644 --- a/board/technexion/pico-imx6ul/spl.c +++ b/board/technexion/pico-imx6ul/spl.c @@ -19,6 +19,10 @@ #ifdef CONFIG_SPL_OS_BOOT int spl_start_uboot(void) { + /* Break into full U-Boot on 'c' */ + if (serial_tstc() && serial_getc() == 'c') + return 1; + return 0; } #endif diff --git a/board/technexion/pico-imx7d/MAINTAINERS b/board/technexion/pico-imx7d/MAINTAINERS index 6e7316be9f..325e1735c3 100644 --- a/board/technexion/pico-imx7d/MAINTAINERS +++ b/board/technexion/pico-imx7d/MAINTAINERS @@ -8,3 +8,5 @@ F: configs/pico-imx7d_defconfig F: configs/pico-imx7d_bl33_defconfig F: configs/pico-hobbit-imx7d_defconfig F: configs/pico-pi-imx7d_defconfig +F: configs/pico-nymph-imx7d_defconfig +F: configs/pico-dwarf-imx7d_defconfig diff --git a/board/technexion/pico-imx7d/README b/board/technexion/pico-imx7d/README index 6aa0d25af5..4d57cdbfa8 100644 --- a/board/technexion/pico-imx7d/README +++ b/board/technexion/pico-imx7d/README @@ -66,3 +66,94 @@ Remove power from the pico board. Put pico board into normal boot mode. Power up the board and the new updated U-Boot should boot from eMMC. + +Booting in Falcon mode +====================== + +Generate a uImage kernel: + +$ make imx_v6_v7_defconfig (Using the default imx_v6_v7_defconfig configuration +just for an example. In order to boot faster the user should customize the +defconfig by only enabling the minimal required drivers). + +$ make -j4 uImage LOADADDR=0x80008000 + +$ cp arch/arm/boot/uImage /tftpboot +$ cp arch/arm/boot/dts/imx7d-pico-pi.dtb /tftpboot + +In the U-Boot prompt: + +Setup the server and board IP addresses: +=> setenv serverip 192.168.0.10 +=> setenv ipaddr 192.168.0.11 + +Get the dtb file: +=> tftp ${fdt_addr} imx7d-pico-pi.dtb + +Get the kernel: +=> tftp ${loadaddr} uImage + +Write the kernel at 2MB offset: +=> mmc write ${loadaddr} 0x1000 0x5000 + +Setup the bootargs: +=> setenv bootargs 'console=ttymxc4,115200 root=/dev/mmcblk2p1 rootfstype=ext4 rootwait rw' + +Prepare args: +=> spl export fdt ${loadaddr} - ${fdt_addr} +## Booting kernel from Legacy Image at 80800000 ... + Image Name: Linux-5.2.14 + Image Type: ARM Linux Kernel Image (uncompressed) + Data Size: 9077544 Bytes = 8.7 MiB + Load Address: 80008000 + Entry Point: 80008000 + Verifying Checksum ... OK +## Flattened Device Tree blob at 83000000 + Booting using the fdt blob at 0x83000000 + Loading Kernel Image + Using Device Tree in place at 83000000, end 8300b615 +subcommand not supported +subcommand not supported + Using Device Tree in place at 83000000, end 8300e615 +Argument image is now in RAM: 0x83000000 +=> + +Write 1MB of args data (0x800 sectors) to 1MB offset (0x800 sectors): + +=> mmc write ${fdt_addr} 0x800 0x800 + +In order to boot with Falcon mode, activate the CONFIG_SPL_OS_BOOT +option in the defconfig + +--- a/configs/pico-imx7d_defconfig ++++ b/configs/pico-imx7d_defconfig +@@ -67,3 +67,4 @@ CONFIG_USB_GADGET_VENDOR_NUM=0x0525 + CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5 + CONFIG_CI_UDC=y + CONFIG_VIDEO=y ++CONFIG_SPL_OS_BOOT=y + +Then rebuild U-Boot: + +$ make pico-imx7d_defconfig +$ make -j4 + +Launch UMS: +=> ums 0 mmc 0 + +Flash the new binaries: + +$ sudo dd if=SPL of=/dev/sdX bs=1k seek=1; sync +$ sudo dd if=u-boot-dtb.img of=/dev/sdX bs=1k seek=69; sync + +And then SPL binary will load and jump directly to the kernel: + +U-Boot SPL 2019.10-rc3-00284-g001c8ea94a-dirty (Sep 10 2019 - 12:46:01 -0300) +Trying to boot from MMC1 +[ 0.000000] Booting Linux on physical CPU 0x0 +[ 0.000000] Linux version 5.2.14 (fabio@fabio-OptiPlex-7010) (gcc version 7.4.0 (Ubuntu/Linaro 7.4.0-1ubuntu1~18.04.1)) #30 SMP Wed Sep 10 12:36:27 -03 2019 +[ 0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d +[ 0.000000] CPU: div instructions available: patching division code +[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache +[ 0.000000] OF: fdt: Machine model: TechNexion PICO-IMX7D Board and PI baseboard +... diff --git a/board/technexion/pico-imx7d/pico-imx7d.c b/board/technexion/pico-imx7d/pico-imx7d.c index 216475c8de..bfa3c3c87f 100644 --- a/board/technexion/pico-imx7d/pico-imx7d.c +++ b/board/technexion/pico-imx7d/pico-imx7d.c @@ -33,13 +33,6 @@ DECLARE_GLOBAL_DATA_PTR; #define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \ PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM) - -#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \ - PAD_CTL_DSE_3P3V_49OHM) - -#define LCD_SYNC_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \ - PAD_CTL_DSE_3P3V_196OHM) - #ifdef CONFIG_SYS_I2C_MXC #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) @@ -223,43 +216,9 @@ int board_early_init_f(void) return 0; } -#ifdef CONFIG_VIDEO_MXS -static iomux_v3_cfg_t const lcd_pads[] = { - MX7D_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_SYNC_PAD_CTRL), - MX7D_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_SYNC_PAD_CTRL), - MX7D_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_SYNC_PAD_CTRL), - MX7D_PAD_LCD_DATA00__LCD_DATA0 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA01__LCD_DATA1 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA02__LCD_DATA2 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA03__LCD_DATA3 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA04__LCD_DATA4 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA05__LCD_DATA5 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA06__LCD_DATA6 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA07__LCD_DATA7 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA08__LCD_DATA8 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA09__LCD_DATA9 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_GPIO1_IO06__GPIO1_IO6 | MUX_PAD_CTRL(LCD_PAD_CTRL), - MX7D_PAD_GPIO1_IO11__GPIO1_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), -}; - +#ifdef CONFIG_DM_VIDEO void setup_lcd(void) { - imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads)); gpio_request(IMX_GPIO_NR(1, 11), "lcd_brightness"); gpio_request(IMX_GPIO_NR(1, 6), "lcd_enable"); /* Set Brightness to high */ @@ -274,8 +233,10 @@ int board_init(void) /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; -#ifdef CONFIG_VIDEO_MXS +#ifdef CONFIG_DM_VIDEO + setup_lcd(); + #endif #ifdef CONFIG_FEC_MXC setup_fec(); diff --git a/board/technexion/pico-imx7d/spl.c b/board/technexion/pico-imx7d/spl.c index c55a35d864..8955622b81 100644 --- a/board/technexion/pico-imx7d/spl.c +++ b/board/technexion/pico-imx7d/spl.c @@ -21,6 +21,10 @@ #ifdef CONFIG_SPL_OS_BOOT int spl_start_uboot(void) { + /* Break into full U-Boot on 'c' */ + if (serial_tstc() && serial_getc() == 'c') + return 1; + return 0; } #endif |