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// SPDX-License-Identifier: GPL-2.0+
/*
* Novena board support
*
* Copyright (C) 2014 Marek Vasut <marex@denx.de>
*/
#include <common.h>
#include <dm.h>
#include <dm/device-internal.h>
#include <ahci.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 <environment.h>
#include <fsl_esdhc.h>
#include <i2c.h>
#include <input.h>
#include <ipu_pixfmt.h>
#include <linux/fb.h>
#include <linux/input.h>
#include <malloc.h>
#include <micrel.h>
#include <miiphy.h>
#include <mmc.h>
#include <netdev.h>
#include <power/pmic.h>
#include <power/pfuze100_pmic.h>
#include <stdio_dev.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)
setup_display_lvds();
#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;
}
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