mtk-lk/platform/mt6771/factory.c

/*This file implements MTK boot mode.*/

#include <sys/types.h>
#include <debug.h>
#include <err.h>
#include <reg.h>

#include <platform/mt_typedefs.h>
#include <platform/boot_mode.h>
#include <platform/mt_reg_base.h>
#include <platform/mtk_key.h>
#include <platform/mt_gpt.h>
#include <target/cust_key.h>

#define MODULE_NAME "[FACTORY]"

BOOL factory_check_key_trigger(void)
{
#if 1
	//wait
	ulong begin = get_timer(0);
	dprintf(CRITICAL, "\n%s Check factory boot\n",MODULE_NAME);
	dprintf(CRITICAL, "%s Wait 50ms for special keys\n",MODULE_NAME);

	/* If the boot reason is RESET and volume down is uesd as reset key, than we will NOT enter factory mode. */
	//this function is marked because we use volume up to reset phone on ROME
	/*
	if(mtk_detect_pmic_just_rst())
	{
	  return false;
	}
	*/

	while (get_timer(begin)<50) {
		if (mtk_detect_key(MT65XX_FACTORY_KEY)) {
			dprintf(CRITICAL, "%s Detect key\n",MODULE_NAME);
			dprintf(CRITICAL, "%s Enable factory mode\n",MODULE_NAME);
			g_boot_mode = FACTORY_BOOT;
			//video_printf("%s : detect factory mode !\n",MODULE_NAME);
			return TRUE;
		}
	}
#endif
	return FALSE;
}
extern BOOT_ARGUMENT *g_boot_arg;
BOOL factory_detection(void)
{
	// int forbid_mode = 0;

	if (g_boot_arg->sec_limit.magic_num == 0x4C4C4C4C) {
		if (g_boot_arg->sec_limit.forbid_mode == F_FACTORY_MODE) {
			//Forbid to enter factory mode
			dprintf(INFO, "%s Forbidden\n",MODULE_NAME);
			return FALSE;
		}
	}

	//forbid_mode =
	g_boot_arg->boot_mode &= 0x000000FF;
	if (factory_check_key_trigger()) {
		return TRUE;
	}

	return FALSE;
}