--- /dev/null
+/*
+ * 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 <spl.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(0x40, 0x20, 0x00, 0x00)},
+ {"emmc", MAKE_CFGVAL(0x60, 0x48, 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_boot_order(u32 *spl_boot_list)
+{
+ struct src *psrc = (struct src *)SRC_BASE_ADDR;
+ unsigned gpr10_boot = readl(&psrc->gpr10) & (1 << 28);
+ unsigned reg = gpr10_boot ? readl(&psrc->gpr9) : readl(&psrc->sbmr1);
+ unsigned port = (reg >> 11) & 0x1;
+
+ if (port == 0) {
+ spl_boot_list[0] = BOOT_DEVICE_MMC1;
+ spl_boot_list[1] = BOOT_DEVICE_MMC2;
+ } else {
+ spl_boot_list[0] = BOOT_DEVICE_MMC2;
+ spl_boot_list[1] = BOOT_DEVICE_MMC1;
+ }
+}
+
+void board_init_f(ulong dummy)
+{
+ litesom_init_f();
+}
+#endif
--- /dev/null
+/*
+ * 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 */
+#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
+#define CONFIG_SUPPORT_EMMC_BOOT
+#endif
+
+#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
projects / u-boot / commitdiff