diff options
Diffstat (limited to 'roms/u-boot/board/liebherr/display5/display5.c')
-rw-r--r-- | roms/u-boot/board/liebherr/display5/display5.c | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/roms/u-boot/board/liebherr/display5/display5.c b/roms/u-boot/board/liebherr/display5/display5.c new file mode 100644 index 000000000..e3a59dbec --- /dev/null +++ b/roms/u-boot/board/liebherr/display5/display5.c @@ -0,0 +1,251 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2017 DENX Software Engineering + * Lukasz Majewski, DENX Software Engineering, lukma@denx.de + */ + +#include <common.h> +#include <dm.h> +#include <fdt_support.h> +#include <init.h> +#include <log.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mx6-pins.h> +#include <asm/arch/mx6-ddr.h> +#include <asm/arch/sys_proto.h> +#include <env.h> +#include <errno.h> +#include <asm/gpio.h> +#include <malloc.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm/mach-imx/boot_mode.h> +#include <miiphy.h> +#include <netdev.h> +#include <i2c.h> +#include <linux/delay.h> + +#include <dm/platform_data/serial_mxc.h> +#include <dm/platdata.h> + +#include "common.h" + +DECLARE_GLOBAL_DATA_PTR; + +static bool hw_ids_valid; +static bool sw_ids_valid; +static u32 cpu_id; +static u32 unit_id; + +const char *gpio_table_sw_names[] = { + "GPIO2_4", "GPIO2_5", "GPIO2_6", "GPIO2_7" +}; + +const char *gpio_table_sw_ids_names[] = { + "sw0", "sw1", "sw2", "sw3" +}; + +const char *gpio_table_hw_names[] = { + "GPIO6_7", "GPIO6_9", "GPIO6_10", "GPIO6_11", + "GPIO4_7", "GPIO4_11", "GPIO4_13", "GPIO4_15" +}; + +const char *gpio_table_hw_ids_names[] = { + "hw0", "hw1", "hw2", "hw3", "hw4", "hw5", "hw6", "hw7" +}; + +static int get_board_id(const char **pin_names, const char **ids_names, + int size, bool *valid, u32 *id) +{ + struct gpio_desc desc; + int i, ret, val; + + *valid = false; + + for (i = 0; i < size; i++) { + memset(&desc, 0, sizeof(desc)); + + ret = dm_gpio_lookup_name(pin_names[i], &desc); + if (ret) { + printf("Can't lookup request SWx gpios\n"); + return ret; + } + + ret = dm_gpio_request(&desc, ids_names[i]); + if (ret) { + printf("Can't lookup request SWx gpios\n"); + return ret; + } + + dm_gpio_set_dir_flags(&desc, GPIOD_IS_IN); + + val = dm_gpio_get_value(&desc); + if (val < 0) { + printf("Can't get SW%d ID\n", i); + *id = 0; + return val; + } + *id |= val << i; + } + *valid = true; + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + + return 0; +} + +iomux_v3_cfg_t const misc_pads[] = { + /* Prod ID GPIO pins */ + MX6_PAD_NANDF_D4__GPIO2_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_D5__GPIO2_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_D7__GPIO2_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL), + + /* HW revision GPIO pins */ + MX6_PAD_NANDF_CLE__GPIO6_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_WP_B__GPIO6_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_RB0__GPIO6_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_KEY_ROW0__GPIO4_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_KEY_ROW3__GPIO4_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL), + + /* XTALOSC */ + MX6_PAD_GPIO_3__XTALOSC_REF_CLK_24M | MUX_PAD_CTRL(NO_PAD_CTRL), + + /* Emergency recovery pin */ + MX6_PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +/* + * Do not overwrite the console + * Always use serial for U-Boot console + */ +int overwrite_console(void) +{ + return 1; +} + +#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) +int ft_board_setup(void *blob, struct bd_info *bd) +{ + fdt_fixup_ethernet(blob); + return 0; +} +#endif + +int board_phy_config(struct phy_device *phydev) +{ + /* display5 due to PCB routing can only work with 100 Mbps */ + phydev->advertising &= ~(ADVERTISED_1000baseX_Half | + ADVERTISED_1000baseX_Full | + SUPPORTED_1000baseT_Half | + SUPPORTED_1000baseT_Full); + + if (phydev->drv->config) + return phydev->drv->config(phydev); + + return 0; +} + +int board_init(void) +{ + struct gpio_desc phy_int_gbe, spi2_wp; + int ret; + + debug("board init\n"); + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + /* Setup misc (application specific) stuff */ + SETUP_IOMUX_PADS(misc_pads); + + get_board_id(gpio_table_sw_names, &gpio_table_sw_ids_names[0], + ARRAY_SIZE(gpio_table_sw_names), &sw_ids_valid, &unit_id); + debug("SWx unit_id 0x%x\n", unit_id); + + get_board_id(gpio_table_hw_names, &gpio_table_hw_ids_names[0], + ARRAY_SIZE(gpio_table_hw_names), &hw_ids_valid, &cpu_id); + debug("HWx cpu_id 0x%x\n", cpu_id); + + if (hw_ids_valid && sw_ids_valid) + printf("ID: unit type 0x%x rev 0x%x\n", unit_id, cpu_id); + + udelay(25); + + /* Setup low level FEC (ETH) */ + ret = dm_gpio_lookup_name("GPIO1_28", &phy_int_gbe); + if (ret) { + printf("Cannot get GPIO1_28\n"); + } else { + ret = dm_gpio_request(&phy_int_gbe, "INT_GBE"); + if (!ret) + dm_gpio_set_dir_flags(&phy_int_gbe, GPIOD_IS_IN); + } + + iomuxc_set_rgmii_io_voltage(DDR_SEL_1P5V_IO); + enable_fec_anatop_clock(0, ENET_125MHZ); + + /* Setup #WP for SPI-NOR memory */ + ret = dm_gpio_lookup_name("GPIO7_0", &spi2_wp); + if (ret) { + printf("Cannot get GPIO7_0\n"); + } else { + ret = dm_gpio_request(&spi2_wp, "spi2_#wp"); + if (!ret) + dm_gpio_set_dir_flags(&spi2_wp, GPIOD_IS_OUT | + GPIOD_IS_OUT_ACTIVE); + } + + return 0; +} + +#ifdef CONFIG_CMD_BMODE +static const struct boot_mode board_boot_modes[] = { + /* eMMC, USDHC-4, 8-bit bus width */ + /* SPI-NOR, ECSPI-2 SS0, 3-bytes addressing */ + {"emmc", MAKE_CFGVAL(0x60, 0x58, 0x00, 0x00)}, + {"spinor", MAKE_CFGVAL(0x30, 0x00, 0x00, 0x09)}, + {NULL, 0}, +}; + +static void setup_boot_modes(void) +{ + add_board_boot_modes(board_boot_modes); +} +#else +static inline void setup_boot_modes(void) {} +#endif + +int misc_init_r(void) +{ + struct gpio_desc em_pad; + int ret; + + setup_boot_modes(); + + ret = dm_gpio_lookup_name("GPIO3_29", &em_pad); + if (ret) { + printf("Can't find emergency PAD gpio\n"); + return ret; + } + + ret = dm_gpio_request(&em_pad, "Emergency_PAD"); + if (ret) { + printf("Can't request emergency PAD gpio\n"); + return ret; + } + + dm_gpio_set_dir_flags(&em_pad, GPIOD_IS_IN); + + return 0; +} |