diff options
Diffstat (limited to 'roms/u-boot/board/kosagi/novena/novena.c')
| -rw-r--r-- | roms/u-boot/board/kosagi/novena/novena.c | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/roms/u-boot/board/kosagi/novena/novena.c b/roms/u-boot/board/kosagi/novena/novena.c new file mode 100644 index 000000000..0e1b4a0a4 --- /dev/null +++ b/roms/u-boot/board/kosagi/novena/novena.c @@ -0,0 +1,233 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Novena board support + * + * Copyright (C) 2014 Marek Vasut <marex@denx.de> + */ + +#include <common.h> +#include <dm.h> +#include <eeprom.h> +#include <init.h> +#include <log.h> +#include <asm/global_data.h> +#include <dm/device-internal.h> +#include <ahci.h> +#include <env.h> +#include <linux/errno.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mxc_hdmi.h> +#include <asm/arch/sys_proto.h> +#include <asm/mach-imx/boot_mode.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm/mach-imx/mxc_i2c.h> +#include <asm/mach-imx/sata.h> +#include <asm/mach-imx/video.h> +#include <dwc_ahsata.h> +#include <fsl_esdhc_imx.h> +#include <i2c.h> +#include <input.h> +#include <ipu_pixfmt.h> +#include <linux/fb.h> +#include <linux/input.h> +#include <malloc.h> +#include <mmc.h> +#include <netdev.h> +#include <power/pmic.h> +#include <power/pfuze100_pmic.h> +#include <stdio_dev.h> +#include <video_console.h> + +#include "novena.h" + +DECLARE_GLOBAL_DATA_PTR; + +/* + * GPIO button + */ +#ifdef CONFIG_KEYBOARD +static struct input_config button_input; + +static int novena_gpio_button_read_keys(struct input_config *input) +{ + int key = KEY_ENTER; + if (gpio_get_value(NOVENA_BUTTON_GPIO)) + return 0; + input_send_keycodes(&button_input, &key, 1); + return 1; +} + +static int novena_gpio_button_getc(struct stdio_dev *dev) +{ + return input_getc(&button_input); +} + +static int novena_gpio_button_tstc(struct stdio_dev *dev) +{ + return input_tstc(&button_input); +} + +static int novena_gpio_button_init(struct stdio_dev *dev) +{ + gpio_direction_input(NOVENA_BUTTON_GPIO); + input_set_delays(&button_input, 250, 250); + return 0; +} + +int drv_keyboard_init(void) +{ + int error; + struct stdio_dev dev = { + .name = "button", + .flags = DEV_FLAGS_INPUT, + .start = novena_gpio_button_init, + .getc = novena_gpio_button_getc, + .tstc = novena_gpio_button_tstc, + }; + + gpio_request(NOVENA_BUTTON_GPIO, "button"); + + error = input_init(&button_input, 0); + if (error) { + debug("%s: Cannot set up input\n", __func__); + return -1; + } + input_add_tables(&button_input, false); + button_input.read_keys = novena_gpio_button_read_keys; + + error = input_stdio_register(&dev); + if (error) + return error; + + return 0; +} +#endif + +int board_early_init_f(void) +{ +#if defined(CONFIG_VIDEO_IPUV3) + setup_display_clock(); +#endif + + return 0; +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + return 0; +} + +int board_late_init(void) +{ +#if defined(CONFIG_VIDEO_IPUV3) + struct udevice *con; + char buf[DISPLAY_OPTIONS_BANNER_LENGTH]; + int ret; + + setup_display_lvds(); + + ret = uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con); + if (ret) + return ret; + + display_options_get_banner(false, buf, sizeof(buf)); + vidconsole_position_cursor(con, 0, 0); + vidconsole_put_string(con, buf); +#endif + return 0; +} + +int checkboard(void) +{ + puts("Board: Novena 4x\n"); + return 0; +} + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + return 0; +} + +/* setup board specific PMIC */ +int power_init_board(void) +{ + struct pmic *p; + u32 reg; + int ret; + + power_pfuze100_init(1); + p = pmic_get("PFUZE100"); + if (!p) + return -EINVAL; + + ret = pmic_probe(p); + if (ret) + return ret; + + pmic_reg_read(p, PFUZE100_DEVICEID, ®); + printf("PMIC: PFUZE100 ID=0x%02x\n", reg); + + /* Set SWBST to 5.0V and enable (for USB) */ + pmic_reg_read(p, PFUZE100_SWBSTCON1, ®); + reg &= ~(SWBST_MODE_MASK | SWBST_VOL_MASK); + reg |= (SWBST_5_00V | (SWBST_MODE_AUTO << SWBST_MODE_SHIFT)); + pmic_reg_write(p, PFUZE100_SWBSTCON1, reg); + + return 0; +} + +/* EEPROM configuration data */ +struct novena_eeprom_data { + uint8_t signature[6]; + uint8_t version; + uint8_t reserved; + uint32_t serial; + uint8_t mac[6]; + uint16_t features; +}; + +int misc_init_r(void) +{ + struct novena_eeprom_data data; + uchar *datap = (uchar *)&data; + const char *signature = "Novena"; + int ret; + + /* If 'ethaddr' is already set, do nothing. */ + if (env_get("ethaddr")) + return 0; + + /* EEPROM is at bus 2. */ + ret = i2c_set_bus_num(2); + if (ret) { + puts("Cannot select EEPROM I2C bus.\n"); + return 0; + } + + /* EEPROM is at address 0x56. */ + ret = eeprom_read(0x56, 0, datap, sizeof(data)); + if (ret) { + puts("Cannot read I2C EEPROM.\n"); + return 0; + } + + /* Check EEPROM signature. */ + if (memcmp(data.signature, signature, 6)) { + puts("Invalid I2C EEPROM signature.\n"); + return 0; + } + + /* Set ethernet address from EEPROM. */ + eth_env_set_enetaddr("ethaddr", data.mac); + + return ret; +} |