blob: c0fe2d546f63db3d1838f07ad94ab7b6c55e70fb [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) Guangzhou FriendlyARM Computer Tech. Co., Ltd.
* (http://www.friendlyarm.com)
*/
#include <config.h>
#include <common.h>
#include <command.h>
#include <fdt_support.h>
#include <log.h>
#ifdef CONFIG_PWM_NX
#include <pwm.h>
#endif
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/arch/nexell.h>
#include <asm/arch/nx_gpio.h>
#include <asm/arch/display.h>
#include <asm/arch/display_dev.h>
#include <u-boot/md5.h>
#include <linux/stringify.h>
#include "hwrev.h"
#include "onewire.h"
#include "nxp-fb.h"
#include <env_internal.h> /* for env_save() */
#include <asm/mach-types.h>
DECLARE_GLOBAL_DATA_PTR;
enum gpio_group {
gpio_a, gpio_b, gpio_c, gpio_d, gpio_e,
};
#ifdef CONFIG_PWM_NX
struct pwm_device {
int grp;
int bit;
int io_fn;
};
static inline void bd_pwm_config_gpio(int ch)
{
struct pwm_device pwm_dev[] = {
[0] = { .grp = gpio_d, .bit = 1, .io_fn = 0 },
[1] = { .grp = gpio_c, .bit = 13, .io_fn = 1 },
[2] = { .grp = gpio_c, .bit = 14, .io_fn = 1 },
[3] = { .grp = gpio_d, .bit = 0, .io_fn = 0 },
};
int gp = pwm_dev[ch].grp;
int io = pwm_dev[ch].bit;
/* pwm backlight OFF: HIGH, ON: LOW */
nx_gpio_set_pad_function(gp, io, pwm_dev[ch].io_fn);
nx_gpio_set_output_value(gp, io, 1);
nx_gpio_set_output_enable(gp, io, 1);
}
#endif
static void bd_backlight_off(void)
{
#ifdef CONFIG_S5P4418_ONEWIRE
onewire_set_backlight(0);
#elif defined(BACKLIGHT_CH)
bd_pwm_config_gpio(BACKLIGHT_CH);
#endif
}
static void bd_backlight_on(void)
{
#ifdef CONFIG_S5P4418_ONEWIRE
onewire_set_backlight(127);
#elif defined(BACKLIGHT_CH)
/* pwm backlight ON: HIGH, ON: LOW */
pwm_init(BACKLIGHT_CH,
BACKLIGHT_DIV, BACKLIGHT_INV);
pwm_config(BACKLIGHT_CH,
TO_DUTY_NS(BACKLIGHT_DUTY, BACKLIGHT_HZ),
TO_PERIOD_NS(BACKLIGHT_HZ));
#endif
}
static void bd_lcd_config_gpio(void)
{
int i;
for (i = 0; i < 28; i++) {
nx_gpio_set_pad_function(gpio_a, i, 1);
nx_gpio_set_drive_strength(gpio_a, i, 0);
nx_gpio_set_pull_mode(gpio_a, i, 2);
}
nx_gpio_set_drive_strength(gpio_a, 0, 1);
}
/* DEFAULT mmc dev for eMMC boot (dwmmc.2) */
static int mmc_boot_dev;
int board_mmc_bootdev(void)
{
return mmc_boot_dev;
}
/* call from common/env_mmc.c */
int mmc_get_env_dev(void)
{
return mmc_boot_dev;
}
#ifdef CONFIG_DISPLAY_BOARDINFO
int checkboard(void)
{
printf("Board: %s\n", get_board_name());
return 0;
}
#endif
int nx_display_fixup_dp(struct nx_display_dev *dp)
{
struct nxp_lcd *lcd = bd_get_lcd();
enum lcd_format fmt = bd_get_lcd_format();
struct nxp_lcd_timing *timing = &lcd->timing;
struct dp_sync_info *sync = &dp->sync;
struct dp_plane_info *plane = &dp->planes[0];
int i;
u32 clk = 800000000;
u32 div;
sync->h_active_len = lcd->width;
sync->h_sync_width = timing->h_sw;
sync->h_back_porch = timing->h_bp;
sync->h_front_porch = timing->h_fp;
sync->h_sync_invert = !lcd->polarity.inv_hsync;
sync->v_active_len = lcd->height;
sync->v_sync_width = timing->v_sw;
sync->v_back_porch = timing->v_bp;
sync->v_front_porch = timing->v_fp;
sync->v_sync_invert = !lcd->polarity.inv_vsync;
/* calculates pixel clock */
div = timing->h_sw + timing->h_bp + timing->h_fp + lcd->width;
div *= timing->v_sw + timing->v_bp + timing->v_fp + lcd->height;
div *= lcd->freq ? : 60;
clk /= div;
dp->ctrl.clk_div_lv0 = clk;
dp->ctrl.clk_inv_lv0 = lcd->polarity.rise_vclk;
dp->top.screen_width = lcd->width;
dp->top.screen_height = lcd->height;
for (i = 0; i < dp->top.plane_num; i++, plane++) {
if (plane->enable) {
plane->width = lcd->width;
plane->height = lcd->height;
}
}
/* initialize display device type */
if (fmt == LCD_RGB) {
dp->dev_type = DP_DEVICE_RGBLCD;
} else if (fmt == LCD_HDMI) {
struct dp_hdmi_dev *dev = (struct dp_hdmi_dev *)dp->device;
dp->dev_type = DP_DEVICE_HDMI;
if (lcd->width == 1920 && lcd->height == 1080)
dev->preset = 1;
else
dev->preset = 0;
} else {
struct dp_lvds_dev *dev = (struct dp_lvds_dev *)dp->device;
dp->dev_type = DP_DEVICE_LVDS;
dev->lvds_format = (fmt & 0x3);
}
return 0;
}
/* --------------------------------------------------------------------------
* initialize board status.
*/
#define MMC_BOOT_CH0 (0)
#define MMC_BOOT_CH1 (1 << 3)
#define MMC_BOOT_CH2 (1 << 19)
static void bd_bootdev_init(void)
{
unsigned int rst = readl(PHY_BASEADDR_CLKPWR + SYSRSTCONFIG);
rst &= (1 << 19) | (1 << 3);
if (rst == MMC_BOOT_CH0) {
/* mmc dev 1 for SD boot */
mmc_boot_dev = 1;
}
}
#ifdef CONFIG_S5P4418_ONEWIRE
static void bd_onewire_init(void)
{
unsigned char lcd;
unsigned short fw_ver;
onewire_init();
onewire_get_info(&lcd, &fw_ver);
}
#endif
static void bd_lcd_init(void)
{
struct nxp_lcd *cfg;
int id = -1;
int ret;
#ifdef CONFIG_S5P4418_ONEWIRE
id = onewire_get_lcd_id();
/* -1: onwire probe failed
* 0: bad
* >0: identified
*/
#endif
ret = bd_setup_lcd_by_id(id);
if (id <= 0 || ret != id) {
printf("Panel: N/A (%d)\n", id);
bd_setup_lcd_by_name("HDMI720P60");
} else {
printf("Panel: %s\n", bd_get_lcd_name());
cfg = bd_get_lcd();
if (cfg->gpio_init)
cfg->gpio_init();
}
}
static int mac_read_from_generic_eeprom(u8 *addr)
{
return -1;
}
static void make_ether_addr(u8 *addr)
{
u32 hash[20];
#define ETHER_MAC_TAG "ethmac"
memset(hash, 0, sizeof(hash));
memcpy(hash + 12, ETHER_MAC_TAG, sizeof(ETHER_MAC_TAG));
hash[4] = readl(PHY_BASEADDR_ECID + 0x00);
hash[5] = readl(PHY_BASEADDR_ECID + 0x04);
hash[6] = readl(PHY_BASEADDR_ECID + 0x08);
hash[7] = readl(PHY_BASEADDR_ECID + 0x0c);
md5((unsigned char *)&hash[4], 64, (unsigned char *)hash);
hash[0] ^= hash[2];
hash[1] ^= hash[3];
memcpy(addr, (char *)hash, 6);
addr[0] &= 0xfe; /* clear multicast bit */
addr[0] |= 0x02;
}
static void set_ether_addr(void)
{
unsigned char mac[6];
char ethaddr[20];
int ret;
if (env_get("ethaddr"))
return;
ret = mac_read_from_generic_eeprom(mac);
if (ret < 0)
make_ether_addr(mac);
sprintf(ethaddr, "%02x:%02x:%02x:%02x:%02x:%02x",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
if (!ret)
printf("MAC: [%s]\n", ethaddr);
env_set("ethaddr", ethaddr);
}
#ifdef CONFIG_REVISION_TAG
static void set_board_rev(void)
{
char info[64] = {0, };
snprintf(info, ARRAY_SIZE(info), "%02x", get_board_rev());
env_set("board_rev", info);
}
#endif
static void set_dtb_name(void)
{
char info[64] = {0, };
snprintf(info, ARRAY_SIZE(info),
"s5p4418-nanopi2-rev%02x.dtb", get_board_rev());
env_set("dtb_name", info);
}
static void bd_update_env(void)
{
char *lcdtype = env_get("lcdtype");
char *lcddpi = env_get("lcddpi");
char *bootargs = env_get("bootargs");
const char *name;
char *p = NULL;
int rootdev = board_mmc_bootdev();
int need_save = 0;
#define CMDLINE_LCD " lcd="
char cmdline[CONFIG_SYS_CBSIZE];
int n = 1;
if (rootdev != CONFIG_ROOT_DEV && !env_get("firstboot")) {
env_set_ulong("rootdev", rootdev);
env_set("firstboot", "0");
need_save = 1;
}
if (lcdtype) {
/* Setup again as user specified LCD in env */
bd_setup_lcd_by_name(lcdtype);
}
name = bd_get_lcd_name();
if (bootargs)
n = strlen(bootargs); /* isn't 0 for NULL */
else
cmdline[0] = '\0';
if ((n + strlen(name) + sizeof(CMDLINE_LCD)) > sizeof(cmdline)) {
printf("Error: `bootargs' is too large (%d)\n", n);
goto __exit;
}
if (bootargs) {
p = strstr(bootargs, CMDLINE_LCD);
if (p) {
n = (p - bootargs);
p += strlen(CMDLINE_LCD);
}
strncpy(cmdline, bootargs, n);
}
/* add `lcd=NAME,NUMdpi' */
strncpy(cmdline + n, CMDLINE_LCD, strlen(CMDLINE_LCD));
n += strlen(CMDLINE_LCD);
strcpy(cmdline + n, name);
n += strlen(name);
if (lcddpi) {
n += sprintf(cmdline + n, ",%sdpi", lcddpi);
} else {
int dpi = bd_get_lcd_density();
if (dpi > 0 && dpi < 600)
n += sprintf(cmdline + n, ",%ddpi", dpi);
}
/* copy remaining of bootargs */
if (p) {
p = strstr(p, " ");
if (p) {
strcpy(cmdline + n, p);
n += strlen(p);
}
}
/* append `bootdev=2' */
#define CMDLINE_BDEV " bootdev="
if (rootdev > 0 && !strstr(cmdline, CMDLINE_BDEV))
n += sprintf(cmdline + n, "%s2", CMDLINE_BDEV);
/* finally, let's update uboot env & save it */
if (bootargs && strncmp(cmdline, bootargs, sizeof(cmdline))) {
env_set("bootargs", cmdline);
need_save = 1;
}
__exit:
if (need_save)
env_save();
}
/* --------------------------------------------------------------------------
* call from u-boot
*/
int board_early_init_f(void)
{
return 0;
}
int board_init(void)
{
bd_hwrev_init();
bd_base_rev_init();
bd_bootdev_init();
#ifdef CONFIG_S5P4418_ONEWIRE
bd_onewire_init();
#endif
bd_backlight_off();
bd_lcd_config_gpio();
bd_lcd_init();
if (IS_ENABLED(CONFIG_SILENT_CONSOLE))
gd->flags |= GD_FLG_SILENT;
return 0;
}
#ifdef CONFIG_BOARD_LATE_INIT
int board_late_init(void)
{
bd_update_env();
#ifdef CONFIG_REVISION_TAG
set_board_rev();
#endif
set_dtb_name();
set_ether_addr();
if (IS_ENABLED(CONFIG_SILENT_CONSOLE))
gd->flags &= ~GD_FLG_SILENT;
bd_backlight_on();
printf("\n");
return 0;
}
#endif
#ifdef CONFIG_SPLASH_SOURCE
#include <splash.h>
static struct splash_location splash_locations[] = {
{
.name = "mmc_fs",
.storage = SPLASH_STORAGE_MMC,
.flags = SPLASH_STORAGE_FS,
.devpart = __stringify(CONFIG_ROOT_DEV) ":"
__stringify(CONFIG_BOOT_PART),
},
};
int splash_screen_prepare(void)
{
int err;
char *env_cmd = env_get("load_splash");
debug("%s()\n", __func__);
if (env_cmd) {
err = run_command(env_cmd, 0);
} else {
char devpart[64] = { 0, };
int bootpart = env_get_ulong("bootpart", 0, CONFIG_BOOT_PART);
int rootdev;
if (env_get("firstboot"))
rootdev = env_get_ulong("rootdev", 0, CONFIG_ROOT_DEV);
else
rootdev = board_mmc_bootdev();
snprintf(devpart, ARRAY_SIZE(devpart), "%d:%d", rootdev,
bootpart);
splash_locations[0].devpart = devpart;
err = splash_source_load(splash_locations,
ARRAY_SIZE(splash_locations));
}
if (!err) {
char addr[64];
sprintf(addr, "0x%lx", gd->fb_base);
env_set("fb_addr", addr);
}
return err;
}
#endif
/* u-boot dram initialize */
int dram_init(void)
{
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
return 0;
}
/* u-boot dram board specific */
int dram_init_banksize(void)
{
#define SCR_USER_SIG6_READ (SCR_ALIVE_BASE + 0x0F0)
unsigned int reg_val = readl(SCR_USER_SIG6_READ);
/* set global data memory */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x00000100;
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
gd->bd->bi_dram[0].size = CONFIG_SYS_SDRAM_SIZE;
/* Number of Row: 14 bits */
if ((reg_val >> 28) == 14)
gd->bd->bi_dram[0].size -= 0x20000000;
/* Number of Memory Chips */
if ((reg_val & 0x3) > 1) {
gd->bd->bi_dram[1].start = 0x80000000;
gd->bd->bi_dram[1].size = 0x40000000;
}
return 0;
}
#if defined(CONFIG_OF_BOARD_SETUP)
int ft_board_setup(void *blob, struct bd_info *bd)
{
int nodeoff;
unsigned int rootdev;
unsigned int fb_addr;
if (board_mmc_bootdev() > 0) {
rootdev = fdt_getprop_u32_default(blob, "/board", "sdidx", 2);
if (rootdev) {
/* find or create "/chosen" node. */
nodeoff = fdt_find_or_add_subnode(blob, 0, "chosen");
if (nodeoff >= 0)
fdt_setprop_u32(blob, nodeoff, "linux,rootdev",
rootdev);
}
}
fb_addr = env_get_ulong("fb_addr", 0, 0);
if (fb_addr) {
nodeoff = fdt_path_offset(blob, "/reserved-memory");
if (nodeoff < 0)
return nodeoff;
nodeoff = fdt_add_subnode(blob, nodeoff, "display_reserved");
if (nodeoff >= 0) {
fdt32_t cells[2];
cells[0] = cpu_to_fdt32(fb_addr);
cells[1] = cpu_to_fdt32(0x800000);
fdt_setprop(blob, nodeoff, "reg", cells,
sizeof(cells[0]) * 2);
}
}
return 0;
}
#endif