liteBoard is a development board which uses liteSOM as its base.

Hardware specification: * liteSOM (i.MX6UL, DRAM, eMMC) * Ethernet PHY (id 0) * USB host (usb_otg1) * MicroSD slot (uSDHC1)

Signed-off-by: Marcin Niestroj m.niestroj@grinn-global.com --- arch/arm/cpu/armv7/mx6/Kconfig | 5 + board/grinn/liteboard/Kconfig | 12 ++ board/grinn/liteboard/MAINTAINERS | 6 + board/grinn/liteboard/Makefile | 6 + board/grinn/liteboard/README | 31 +++++ board/grinn/liteboard/board.c | 270 ++++++++++++++++++++++++++++++++++++++ configs/liteboard_defconfig | 22 ++++ include/configs/liteboard.h | 174 ++++++++++++++++++++++++ 8 files changed, 526 insertions(+) create mode 100644 board/grinn/liteboard/Kconfig create mode 100644 board/grinn/liteboard/MAINTAINERS create mode 100644 board/grinn/liteboard/Makefile create mode 100644 board/grinn/liteboard/README create mode 100644 board/grinn/liteboard/board.c create mode 100644 configs/liteboard_defconfig create mode 100644 include/configs/liteboard.h

diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig index 4214ab5..e24d0a1 100644 --- a/arch/arm/cpu/armv7/mx6/Kconfig +++ b/arch/arm/cpu/armv7/mx6/Kconfig @@ -144,6 +144,10 @@ config TARGET_PICO_IMX6UL bool "PICO-IMX6UL-EMMC" select MX6UL

+config TARGET_LITEBOARD + bool "Grinn liteBoard (i.MX6UL)" + select LITESOM + config TARGET_PLATINUM_PICON bool "platinum-picon" select SUPPORT_SPL @@ -222,6 +226,7 @@ source "board/freescale/mx6slevk/Kconfig" source "board/freescale/mx6sxsabresd/Kconfig" source "board/freescale/mx6sxsabreauto/Kconfig" source "board/freescale/mx6ul_14x14_evk/Kconfig" +source "board/grinn/liteboard/Kconfig" source "board/phytec/pcm058/Kconfig" source "board/gateworks/gw_ventana/Kconfig" source "board/kosagi/novena/Kconfig" diff --git a/board/grinn/liteboard/Kconfig b/board/grinn/liteboard/Kconfig new file mode 100644 index 0000000..e035872 --- /dev/null +++ b/board/grinn/liteboard/Kconfig @@ -0,0 +1,12 @@ +if TARGET_LITEBOARD + +config SYS_BOARD + default "liteboard" + +config SYS_VENDOR + default "grinn" + +config SYS_CONFIG_NAME + default "liteboard" + +endif diff --git a/board/grinn/liteboard/MAINTAINERS b/board/grinn/liteboard/MAINTAINERS new file mode 100644 index 0000000..b4474f1 --- /dev/null +++ b/board/grinn/liteboard/MAINTAINERS @@ -0,0 +1,6 @@ +LITEBOARD +M: Marcin Niestroj m.niestroj@grinn-global.com +S: Maintained +F: board/grinn/liteboard/ +F: include/configs/liteboard.h +F: configs/liteboard_defconfig diff --git a/board/grinn/liteboard/Makefile b/board/grinn/liteboard/Makefile new file mode 100644 index 0000000..e2492d6 --- /dev/null +++ b/board/grinn/liteboard/Makefile @@ -0,0 +1,6 @@ +# (C) Copyright 2016 Grinn +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := board.o diff --git a/board/grinn/liteboard/README b/board/grinn/liteboard/README new file mode 100644 index 0000000..bee0394 --- /dev/null +++ b/board/grinn/liteboard/README @@ -0,0 +1,31 @@ +How to use U-Boot on Grinn's liteBoard +-------------------------------------- + +- Build U-Boot for liteBoard: + +$ make mrproper +$ make liteboard_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: + +S1: 0 1 0 1 1 1 + +where 0 means bottom position and 1 means top position (from the +switch label numbers reference). + +- Insert the micro SD card in the board. + +- Connect USB cable between liteBoard and the PC for the power and console. + +- U-Boot messages should come up. diff --git a/board/grinn/liteboard/board.c b/board/grinn/liteboard/board.c new file mode 100644 index 0000000..89d525a --- /dev/null +++ b/board/grinn/liteboard/board.c @@ -0,0 +1,270 @@ +/* + * Copyright (C) 2015-2016 Freescale Semiconductor, Inc. + * Copyright (C) 2016 Grinn + * + * 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/io.h> +#include <common.h> +#include <fsl_esdhc.h> +#include <linux/sizes.h> +#include <linux/fb.h> +#include <mach/litesom.h> +#include <miiphy.h> +#include <mmc.h> +#include <netdev.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 ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ + PAD_CTL_SPEED_HIGH | \ + PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST) + +#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) + +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 sd_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), + + /* CD */ + MX6_PAD_UART1_RTS_B__GPIO1_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +#ifdef CONFIG_FEC_MXC +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 void setup_iomux_fec(void) +{ + imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); +} +#endif + +static void setup_iomux_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); +} + +#ifdef CONFIG_FSL_ESDHC +static struct fsl_esdhc_cfg sd_cfg = {USDHC1_BASE_ADDR, 0, 4}; + +#define SD_CD_GPIO IMX_GPIO_NR(1, 19) + +static int mmc_get_env_devno(void) +{ + u32 soc_sbmr = readl(SRC_BASE_ADDR + 0x4); + int dev_no; + u32 bootsel; + + bootsel = (soc_sbmr & 0x000000FF) >> 6; + + /* If not boot from sd/mmc, use default value */ + if (bootsel != 1) + return CONFIG_SYS_MMC_ENV_DEV; + + /* BOOT_CFG2[3] and BOOT_CFG2[4] */ + dev_no = (soc_sbmr & 0x00001800) >> 11; + + return dev_no; +} + +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(SD_CD_GPIO); + break; + case USDHC2_BASE_ADDR: + ret = 1; + break; + } + + return ret; +} + +int board_mmc_init(bd_t *bis) +{ + int ret; + + /* SD */ + imx_iomux_v3_setup_multiple_pads(sd_pads, ARRAY_SIZE(sd_pads)); + gpio_direction_input(SD_CD_GPIO); + sd_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + + ret = fsl_esdhc_initialize(bis, &sd_cfg); + if (ret) { + printf("Warning: failed to initialize mmc dev 0 (SD)\n"); + return ret; + } + + return litesom_mmc_init(bis); +} + +static int check_mmc_autodetect(void) +{ + char *autodetect_str = getenv("mmcautodetect"); + + if ((autodetect_str != NULL) && + (strcmp(autodetect_str, "yes") == 0)) { + return 1; + } + + return 0; +} + +void board_late_mmc_init(void) +{ + char cmd[32]; + char mmcblk[32]; + u32 dev_no = mmc_get_env_devno(); + + if (!check_mmc_autodetect()) + return; + + setenv_ulong("mmcdev", dev_no); + + /* Set mmcblk env */ + sprintf(mmcblk, "/dev/mmcblk%dp2 rootwait rw", + dev_no); + setenv("mmcroot", mmcblk); + + sprintf(cmd, "mmc dev %d", dev_no); + run_command(cmd, 0); +} +#endif + +#ifdef CONFIG_FEC_MXC +int board_eth_init(bd_t *bis) +{ + setup_iomux_fec(); + + return fecmxc_initialize(bis); +} + +static int setup_fec(void) +{ + struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; + int ret; + + /* 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); + + ret = enable_fec_anatop_clock(0, ENET_50MHZ); + if (ret) + return ret; + + enable_enet_clk(1); + + return 0; +} +#endif + +#ifdef CONFIG_USB_EHCI_MX6 +int board_usb_phy_mode(int port) +{ + return USB_INIT_HOST; +} +#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; + +#ifdef CONFIG_FEC_MXC + setup_fec(); +#endif + + return 0; +} + +#ifdef CONFIG_CMD_BMODE +static const struct boot_mode board_boot_modes[] = { + /* 4 bit bus width */ + {"sd", MAKE_CFGVAL(0x42, 0x20, 0x00, 0x00)}, + {"emmc", MAKE_CFGVAL(0x40, 0x28, 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_IS_IN_MMC + board_late_mmc_init(); +#endif + + return 0; +} + +int checkboard(void) +{ + puts("Board: Grinn liteBoard\n"); + + return 0; +} + +#ifdef CONFIG_SPL_BUILD +void board_init_f(ulong dummy) +{ + litesom_init_f(); +} +#endif diff --git a/configs/liteboard_defconfig b/configs/liteboard_defconfig new file mode 100644 index 0000000..f853461 --- /dev/null +++ b/configs/liteboard_defconfig @@ -0,0 +1,22 @@ +CONFIG_ARM=y +CONFIG_ARCH_MX6=y +CONFIG_TARGET_LITEBOARD=y +CONFIG_SPL=y +CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg" +CONFIG_BOOTDELAY=1 +CONFIG_HUSH_PARSER=y +CONFIG_CMD_BOOTZ=y +# CONFIG_CMD_IMLS is not set +CONFIG_CMD_MEMTEST=y +CONFIG_CMD_MMC=y +CONFIG_CMD_USB=y +CONFIG_CMD_GPIO=y +CONFIG_CMD_DHCP=y +CONFIG_CMD_PING=y +CONFIG_CMD_CACHE=y +CONFIG_CMD_EXT2=y +CONFIG_CMD_EXT4=y +CONFIG_CMD_EXT4_WRITE=y +CONFIG_CMD_FAT=y +CONFIG_CMD_FS_GENERIC=y +CONFIG_OF_LIBFDT=y diff --git a/include/configs/liteboard.h b/include/configs/liteboard.h new file mode 100644 index 0000000..19b961f --- /dev/null +++ b/include/configs/liteboard.h @@ -0,0 +1,174 @@ +/* + * Copyright (C) 2015 Freescale Semiconductor, Inc. + * Copyright (C) 2016 Grinn + * + * Configuration settings for the Grinn liteBoard (i.MX6UL). + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef __LITEBOARD_CONFIG_H +#define __LITEBOARD_CONFIG_H + +#include <asm/arch/imx-regs.h> +#include <linux/sizes.h> +#include "mx6_common.h" + +/* SPL options */ +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_MMC_SUPPORT +#include "imx6_spl.h" + +/* 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 + +/* MMC Configs */ +#ifdef CONFIG_FSL_USDHC +#define CONFIG_SYS_FSL_ESDHC_ADDR USDHC1_BASE_ADDR +#endif + +#define CONFIG_DEFAULT_FDT_FILE "imx6ul-liteboard.dtb" + +#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=" CONFIG_DEFAULT_FDT_FILE "\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};" \ + "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_MEMTEST_START 0x80000000 +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + SZ_128M) + +#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_ENV_SIZE SZ_8K +#define CONFIG_ENV_IS_IN_MMC +#define CONFIG_ENV_OFFSET (8 * SZ_64K) +#define CONFIG_SYS_MMC_ENV_DEV 0 +#define CONFIG_SYS_MMC_ENV_PART 0 +#define CONFIG_MMCROOT "/dev/mmcblk0p2" + +#define CONFIG_CMD_BMODE + +/* USB Configs */ +#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 1 +#endif + +#ifdef CONFIG_CMD_NET +#define CONFIG_FEC_MXC +#define CONFIG_MII +#define CONFIG_FEC_ENET_DEV 0 + +#define IMX_FEC_BASE ENET_BASE_ADDR +#define CONFIG_FEC_MXC_PHYADDR 0x0 +#define CONFIG_FEC_XCV_TYPE RMII +#define CONFIG_ETHPRIME "FEC" + +#define CONFIG_PHYLIB +#define CONFIG_PHY_SMSC +#endif + +#define CONFIG_IMX_THERMAL + +#endif