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#include <common.h>
#include <errno.h>
#include <asm/io.h>
#include <asm/arch/secure_apb.h>
#include <asm-generic/gpio.h>
#include <asm/arch/gpio.h>
#include <linux/kernel.h>
#include <odroid-common.h>
#define GPIO_LED_ALIVE 11 // GPIOAO_11
int board_led_alive(int status)
{
int ret = gpio_request(GPIO_LED_ALIVE, "alive");
if (ret < 0) {
printf("Failed to request GPIO pin %u\n", GPIO_LED_ALIVE);
return -EINVAL;
}
return gpio_direction_output(GPIO_LED_ALIVE, status & 1);
}
const char *boot_device_name(int n)
{
struct names {
int id;
const char* name;
} names[] = {
{ BOOT_DEVICE_RESERVED, "reserved" },
{ BOOT_DEVICE_EMMC, "emmc" },
{ BOOT_DEVICE_NAND, "nand" },
{ BOOT_DEVICE_SPI, "spi" },
{ BOOT_DEVICE_SD, "sd" },
{ BOOT_DEVICE_USB, "usb" },
};
int i;
for (i = 0; i < ARRAY_SIZE(names); i++)
if (names[i].id == n)
return names[i].name;
return NULL;
}
int get_boot_device(void)
{
return readl(AO_SEC_GP_CFG0) & 0xf;
}
static int board_rev = -1;
#define IS_RANGE(x, min, max) ((x) > (min) && (x) < (max))
static unsigned int get_hw_revision(void)
{
int hwrev = -1;
int adc = get_adc_value(1);
#if defined(CONFIG_ODROID_N2)
if (IS_RANGE(adc, 80, 90)) /* ave : 84 */
hwrev = BOARD_REVISION(2018, 7, 23);
else if (IS_RANGE(adc, 160, 170)) /* avg : 164 */
hwrev = BOARD_REVISION(2018, 12, 6);
else if (IS_RANGE(adc, 245, 255)) /* avg : 248 */
hwrev = BOARD_REVISION(2019, 1, 17);
else if (IS_RANGE(adc, 330, 350)) /* avg : 334 */
hwrev = BOARD_REVISION(2019, 2, 7);
else if (IS_RANGE(adc, 410, 430)) { /* avg : 419 */
/* ODROID-N2plus */
hwrev = BOARD_REVISION(2019, 11, 20);
} else if (IS_RANGE(adc, 500, 520)) {
hwrev = BOARD_REVISION(2021, 1, 21);
}
#elif defined(CONFIG_ODROID_C4)
if (IS_RANGE(adc, 80, 100)) /* avg : 90 */
hwrev = BOARD_REVISION(2020, 1, 29);
else if (IS_RANGE(adc, 300, 320)) /* avg : 308 */
hwrev = BOARD_REVISION(2019, 12, 10);
else if (IS_RANGE(adc, 335, 345)) /* avg : 341 */
hwrev = BOARD_REVISION(2019, 11, 29);
else if (IS_RANGE(adc, 590, 610)) /* avg : 604 */
hwrev = BOARD_REVISION(2020, 8, 7);
#endif
debug("ADC=%d, hwrev=0x%x\n", adc, hwrev);
return hwrev;
}
int board_revision(void)
{
if (board_rev == -1)
board_rev = get_hw_revision();
return board_rev;
}
void board_set_dtbfile(const char *format)
{
char s[128];
char *ep = getenv("variant");
snprintf(s, sizeof(s), format, ep ? ep : "");
setenv("fdtfile", s);
}
#if defined(CONFIG_ODROID_N2)
int board_is_odroidn2(void)
{
int hwrev = board_revision();
return (hwrev == BOARD_REVISION(2018, 7, 23))
|| (hwrev == BOARD_REVISION(2018, 12, 6))
|| (hwrev == BOARD_REVISION(2019, 1, 17))
|| (hwrev == BOARD_REVISION(2019, 2, 7));
}
int board_is_odroidn2plus(void)
{
return !board_is_odroidn2();
}
#elif defined(CONFIG_ODROID_C4)
int board_is_odroidc4(void)
{
int hwrev = board_revision();
return (hwrev == BOARD_REVISION(2019, 11, 29)
|| (hwrev == BOARD_REVISION(2020, 1, 29));
}
int board_is_odroidhc4(void)
{
int hwrev = board_revision();
return (hwrev == BOARD_REVISION(2019, 12, 10)
|| (hwrev == BOARD_REVISION(2020, 8, 7));
}
#endif
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