u-boot/board/samsung/common/misc.c

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/*
* Copyright (C) 2013 Samsung Electronics
* Przemyslaw Marczak <p.marczak@samsung.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <lcd.h>
#include <libtizen.h>
#include <samsung/misc.h>
#include <errno.h>
#include <version.h>
#include <malloc.h>
#include <memalign.h>
#include <linux/sizes.h>
#include <asm/arch/cpu.h>
#include <asm/gpio.h>
#include <linux/input.h>
#include <dm.h>
/*
* Use #ifdef to work around conflicting headers while we wait for this to be
* converted to driver model.
*/
#ifdef CONFIG_DM_PMIC_MAX77686
#include <power/max77686_pmic.h>
#endif
#ifdef CONFIG_DM_PMIC_MAX8998
#include <power/max8998_pmic.h>
#endif
#ifdef CONFIG_PMIC_MAX8997
#include <power/max8997_pmic.h>
#endif
#include <power/pmic.h>
#include <mmc.h>
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_SET_DFU_ALT_INFO
void set_dfu_alt_info(char *interface, char *devstr)
{
size_t buf_size = CONFIG_SET_DFU_ALT_BUF_LEN;
ALLOC_CACHE_ALIGN_BUFFER(char, buf, buf_size);
char *alt_info = "Settings not found!";
char *status = "error!\n";
char *alt_setting;
char *alt_sep;
int offset = 0;
puts("DFU alt info setting: ");
alt_setting = get_dfu_alt_boot(interface, devstr);
if (alt_setting) {
setenv("dfu_alt_boot", alt_setting);
offset = snprintf(buf, buf_size, "%s", alt_setting);
}
alt_setting = get_dfu_alt_system(interface, devstr);
if (alt_setting) {
if (offset)
alt_sep = ";";
else
alt_sep = "";
offset += snprintf(buf + offset, buf_size - offset,
"%s%s", alt_sep, alt_setting);
}
if (offset) {
alt_info = buf;
status = "done\n";
}
setenv("dfu_alt_info", alt_info);
puts(status);
}
#endif
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
void set_board_info(void)
{
char info[64];
snprintf(info, ARRAY_SIZE(info), "%u.%u", (s5p_cpu_rev & 0xf0) >> 4,
s5p_cpu_rev & 0xf);
setenv("soc_rev", info);
snprintf(info, ARRAY_SIZE(info), "%x", s5p_cpu_id);
setenv("soc_id", info);
#ifdef CONFIG_REVISION_TAG
snprintf(info, ARRAY_SIZE(info), "%x", get_board_rev());
setenv("board_rev", info);
#endif
#ifdef CONFIG_OF_LIBFDT
const char *bdtype = "";
const char *bdname = CONFIG_SYS_BOARD;
#ifdef CONFIG_BOARD_TYPES
bdtype = get_board_type();
if (!bdtype)
bdtype = "";
sprintf(info, "%s%s", bdname, bdtype);
setenv("boardname", info);
#endif
snprintf(info, ARRAY_SIZE(info), "%s%x-%s%s.dtb",
CONFIG_SYS_SOC, s5p_cpu_id, bdname, bdtype);
setenv("fdtfile", info);
#endif
}
#endif /* CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG */
#ifdef CONFIG_LCD_MENU
static int power_key_pressed(u32 reg)
{
#ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
struct pmic *pmic;
u32 status;
u32 mask;
pmic = pmic_get(KEY_PWR_PMIC_NAME);
if (!pmic) {
printf("%s: Not found\n", KEY_PWR_PMIC_NAME);
return 0;
}
if (pmic_probe(pmic))
return 0;
if (reg == KEY_PWR_STATUS_REG)
mask = KEY_PWR_STATUS_MASK;
else
mask = KEY_PWR_INTERRUPT_MASK;
if (pmic_reg_read(pmic, reg, &status))
return 0;
return !!(status & mask);
#else
return 0;
#endif
}
static int key_pressed(int key)
{
int value;
switch (key) {
case KEY_POWER:
value = power_key_pressed(KEY_PWR_INTERRUPT_REG);
break;
case KEY_VOLUMEUP:
value = !gpio_get_value(KEY_VOL_UP_GPIO);
break;
case KEY_VOLUMEDOWN:
value = !gpio_get_value(KEY_VOL_DOWN_GPIO);
break;
default:
value = 0;
break;
}
return value;
}
#ifdef CONFIG_LCD
static int check_keys(void)
{
int keys = 0;
if (key_pressed(KEY_POWER))
keys += KEY_POWER;
if (key_pressed(KEY_VOLUMEUP))
keys += KEY_VOLUMEUP;
if (key_pressed(KEY_VOLUMEDOWN))
keys += KEY_VOLUMEDOWN;
return keys;
}
/*
* 0 BOOT_MODE_INFO
* 1 BOOT_MODE_THOR
* 2 BOOT_MODE_UMS
* 3 BOOT_MODE_DFU
* 4 BOOT_MODE_EXIT
*/
static char *
mode_name[BOOT_MODE_EXIT + 1][2] = {
{"DEVICE", ""},
{"THOR", "thor"},
{"UMS", "ums"},
{"DFU", "dfu"},
{"GPT", "gpt"},
{"ENV", "env"},
{"EXIT", ""},
};
static char *
mode_info[BOOT_MODE_EXIT + 1] = {
"info",
"downloader",
"mass storage",
"firmware update",
"restore",
"default",
"and run normal boot"
};
static char *
mode_cmd[BOOT_MODE_EXIT + 1] = {
"",
"thor 0 mmc 0",
"ums 0 mmc 0",
"dfu 0 mmc 0",
"gpt write mmc 0 $partitions",
"env default -a; saveenv",
"",
};
static void display_board_info(void)
{
#ifdef CONFIG_MMC
struct mmc *mmc = find_mmc_device(0);
#endif
vidinfo_t *vid = &panel_info;
lcd_position_cursor(4, 4);
lcd_printf("%s\n\t", U_BOOT_VERSION);
lcd_puts("\n\t\tBoard Info:\n");
#ifdef CONFIG_SYS_BOARD
lcd_printf("\tBoard name: %s\n", CONFIG_SYS_BOARD);
#endif
#ifdef CONFIG_REVISION_TAG
lcd_printf("\tBoard rev: %u\n", get_board_rev());
#endif
lcd_printf("\tDRAM banks: %u\n", CONFIG_NR_DRAM_BANKS);
lcd_printf("\tDRAM size: %u MB\n", gd->ram_size / SZ_1M);
#ifdef CONFIG_MMC
if (mmc) {
if (!mmc->capacity)
mmc_init(mmc);
lcd_printf("\teMMC size: %llu MB\n", mmc->capacity / SZ_1M);
}
#endif
if (vid)
lcd_printf("\tDisplay resolution: %u x % u\n",
vid->vl_col, vid->vl_row);
lcd_printf("\tDisplay BPP: %u\n", 1 << vid->vl_bpix);
}
#endif
static int mode_leave_menu(int mode)
{
#ifdef CONFIG_LCD
char *exit_option;
char *exit_reset = "reset";
char *exit_back = "back";
cmd_tbl_t *cmd;
int cmd_result;
int leave;
lcd_clear();
switch (mode) {
case BOOT_MODE_EXIT:
return 1;
case BOOT_MODE_INFO:
display_board_info();
exit_option = exit_back;
leave = 0;
break;
default:
cmd = find_cmd(mode_name[mode][1]);
if (cmd) {
printf("Enter: %s %s\n", mode_name[mode][0],
mode_info[mode]);
lcd_printf("\n\n\t%s %s\n", mode_name[mode][0],
mode_info[mode]);
lcd_puts("\n\tDo not turn off device before finish!\n");
cmd_result = run_command(mode_cmd[mode], 0);
if (cmd_result == CMD_RET_SUCCESS) {
printf("Command finished\n");
lcd_clear();
lcd_printf("\n\n\t%s finished\n",
mode_name[mode][0]);
exit_option = exit_reset;
leave = 1;
} else {
printf("Command error\n");
lcd_clear();
lcd_printf("\n\n\t%s command error\n",
mode_name[mode][0]);
exit_option = exit_back;
leave = 0;
}
} else {
lcd_puts("\n\n\tThis mode is not supported.\n");
exit_option = exit_back;
leave = 0;
}
}
lcd_printf("\n\n\tPress POWER KEY to %s\n", exit_option);
/* Clear PWR button Rising edge interrupt status flag */
power_key_pressed(KEY_PWR_INTERRUPT_REG);
/* Wait for PWR key */
while (!key_pressed(KEY_POWER))
mdelay(1);
lcd_clear();
return leave;
#else
return 0;
#endif
}
#ifdef CONFIG_LCD
static void display_download_menu(int mode)
{
char *selection[BOOT_MODE_EXIT + 1];
int i;
for (i = 0; i <= BOOT_MODE_EXIT; i++)
selection[i] = "[ ]";
selection[mode] = "[=>]";
lcd_clear();
lcd_printf("\n\n\t\tDownload Mode Menu\n\n");
for (i = 0; i <= BOOT_MODE_EXIT; i++)
lcd_printf("\t%s %s - %s\n\n", selection[i],
mode_name[i][0], mode_info[i]);
}
#endif
static void download_menu(void)
{
#ifdef CONFIG_LCD
int mode = 0;
int last_mode = 0;
int run;
int key = 0;
int timeout = 15; /* sec */
int i;
display_download_menu(mode);
lcd_puts("\n");
/* Start count if no key is pressed */
while (check_keys())
continue;
while (timeout--) {
lcd_printf("\r\tNormal boot will start in: %2.d seconds.",
timeout);
/* about 1000 ms in for loop */
for (i = 0; i < 10; i++) {
mdelay(100);
key = check_keys();
if (key)
break;
}
if (key)
break;
}
if (!key) {
lcd_clear();
return;
}
while (1) {
run = 0;
if (mode != last_mode)
display_download_menu(mode);
last_mode = mode;
mdelay(200);
key = check_keys();
switch (key) {
case KEY_POWER:
run = 1;
break;
case KEY_VOLUMEUP:
if (mode > 0)
mode--;
break;
case KEY_VOLUMEDOWN:
if (mode < BOOT_MODE_EXIT)
mode++;
break;
default:
break;
}
if (run) {
if (mode_leave_menu(mode))
run_command("reset", 0);
display_download_menu(mode);
}
}
lcd_clear();
#endif
}
void check_boot_mode(void)
{
int pwr_key;
pwr_key = power_key_pressed(KEY_PWR_STATUS_REG);
if (!pwr_key)
return;
/* Clear PWR button Rising edge interrupt status flag */
power_key_pressed(KEY_PWR_INTERRUPT_REG);
if (key_pressed(KEY_VOLUMEUP))
download_menu();
else if (key_pressed(KEY_VOLUMEDOWN))
mode_leave_menu(BOOT_MODE_THOR);
}
void keys_init(void)
{
/* Set direction to input */
gpio_request(KEY_VOL_UP_GPIO, "volume-up");
gpio_request(KEY_VOL_DOWN_GPIO, "volume-down");
gpio_direction_input(KEY_VOL_UP_GPIO);
gpio_direction_input(KEY_VOL_DOWN_GPIO);
}
#endif /* CONFIG_LCD_MENU */
#ifdef CONFIG_CMD_BMP
void draw_logo(void)
{
int x, y;
ulong addr;
addr = panel_info.logo_addr;
if (!addr) {
error("There is no logo data.");
return;
}
if (panel_info.vl_width >= panel_info.logo_width) {
x = ((panel_info.vl_width - panel_info.logo_width) >> 1);
x += panel_info.logo_x_offset; /* For X center align */
} else {
x = 0;
printf("Warning: image width is bigger than display width\n");
}
if (panel_info.vl_height >= panel_info.logo_height) {
y = ((panel_info.vl_height - panel_info.logo_height) >> 1);
y += panel_info.logo_y_offset; /* For Y center align */
} else {
y = 0;
printf("Warning: image height is bigger than display height\n");
}
bmp_display(addr, x, y);
}
#endif /* CONFIG_CMD_BMP */