1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright (C) 2014 Marek Vasut <marex@denx.de>
10 #include <dm/device-internal.h>
13 #include <linux/errno.h>
16 #include <asm/arch/clock.h>
17 #include <asm/arch/crm_regs.h>
18 #include <asm/arch/imx-regs.h>
19 #include <asm/arch/iomux.h>
20 #include <asm/arch/mxc_hdmi.h>
21 #include <asm/arch/sys_proto.h>
22 #include <asm/mach-imx/boot_mode.h>
23 #include <asm/mach-imx/iomux-v3.h>
24 #include <asm/mach-imx/mxc_i2c.h>
25 #include <asm/mach-imx/sata.h>
26 #include <asm/mach-imx/video.h>
27 #include <dwc_ahsata.h>
28 #include <environment.h>
29 #include <fsl_esdhc_imx.h>
32 #include <ipu_pixfmt.h>
34 #include <linux/input.h>
40 #include <power/pmic.h>
41 #include <power/pfuze100_pmic.h>
42 #include <stdio_dev.h>
43 #include <video_console.h>
47 DECLARE_GLOBAL_DATA_PTR;
52 #ifdef CONFIG_KEYBOARD
53 static struct input_config button_input;
55 static int novena_gpio_button_read_keys(struct input_config *input)
58 if (gpio_get_value(NOVENA_BUTTON_GPIO))
60 input_send_keycodes(&button_input, &key, 1);
64 static int novena_gpio_button_getc(struct stdio_dev *dev)
66 return input_getc(&button_input);
69 static int novena_gpio_button_tstc(struct stdio_dev *dev)
71 return input_tstc(&button_input);
74 static int novena_gpio_button_init(struct stdio_dev *dev)
76 gpio_direction_input(NOVENA_BUTTON_GPIO);
77 input_set_delays(&button_input, 250, 250);
81 int drv_keyboard_init(void)
84 struct stdio_dev dev = {
86 .flags = DEV_FLAGS_INPUT,
87 .start = novena_gpio_button_init,
88 .getc = novena_gpio_button_getc,
89 .tstc = novena_gpio_button_tstc,
92 gpio_request(NOVENA_BUTTON_GPIO, "button");
94 error = input_init(&button_input, 0);
96 debug("%s: Cannot set up input\n", __func__);
99 input_add_tables(&button_input, false);
100 button_input.read_keys = novena_gpio_button_read_keys;
102 error = input_stdio_register(&dev);
110 int board_early_init_f(void)
112 #if defined(CONFIG_VIDEO_IPUV3)
113 setup_display_clock();
121 /* address of boot parameters */
122 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
127 int board_late_init(void)
129 #if defined(CONFIG_VIDEO_IPUV3)
131 char buf[DISPLAY_OPTIONS_BANNER_LENGTH];
134 setup_display_lvds();
136 ret = uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con);
140 display_options_get_banner(false, buf, sizeof(buf));
141 vidconsole_position_cursor(con, 0, 0);
142 vidconsole_put_string(con, buf);
149 puts("Board: Novena 4x\n");
155 gd->ram_size = imx_ddr_size();
159 /* setup board specific PMIC */
160 int power_init_board(void)
166 power_pfuze100_init(1);
167 p = pmic_get("PFUZE100");
175 pmic_reg_read(p, PFUZE100_DEVICEID, ®);
176 printf("PMIC: PFUZE100 ID=0x%02x\n", reg);
178 /* Set SWBST to 5.0V and enable (for USB) */
179 pmic_reg_read(p, PFUZE100_SWBSTCON1, ®);
180 reg &= ~(SWBST_MODE_MASK | SWBST_VOL_MASK);
181 reg |= (SWBST_5_00V | (SWBST_MODE_AUTO << SWBST_MODE_SHIFT));
182 pmic_reg_write(p, PFUZE100_SWBSTCON1, reg);
187 /* EEPROM configuration data */
188 struct novena_eeprom_data {
189 uint8_t signature[6];
197 int misc_init_r(void)
199 struct novena_eeprom_data data;
200 uchar *datap = (uchar *)&data;
201 const char *signature = "Novena";
204 /* If 'ethaddr' is already set, do nothing. */
205 if (env_get("ethaddr"))
208 /* EEPROM is at bus 2. */
209 ret = i2c_set_bus_num(2);
211 puts("Cannot select EEPROM I2C bus.\n");
215 /* EEPROM is at address 0x56. */
216 ret = eeprom_read(0x56, 0, datap, sizeof(data));
218 puts("Cannot read I2C EEPROM.\n");
222 /* Check EEPROM signature. */
223 if (memcmp(data.signature, signature, 6)) {
224 puts("Invalid I2C EEPROM signature.\n");
228 /* Set ethernet address from EEPROM. */
229 eth_env_set_enetaddr("ethaddr", data.mac);