mtk-lk/app/mt_boot/iothread.c

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*
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* protected under relevant copyright laws. The information contained herein
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*/
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*
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*/

#include <debug.h>
#include <iothread.h>
#include <profiling.h>
#include <spm_common.h>
#include <lk_load_md_wrapper.h>
#ifdef MTK_TINYSYS_SCP_SUPPORT
#include <platform/mt_scp.h>		// for load_scp() and disable_scp_hw()
#endif  // MTK_TINYSYS_SCP_SUPPORT
#ifdef MTK_VPU_SUPPORT
#include <platform/mt_vpu.h>
#endif
#ifdef MTK_AUDIODSP_SUPPORT
#include <platform/mt_adsp.h>
#endif  // MTK_AUDIODSP_SUPPORT

/******************************************************************************
******************************************************************************/
event_t iothread_start_event;
event_t iothread_end_event;
extern BOOTMODE g_boot_mode;
extern int modem_image_loaded;
extern ulong get_timer (ulong base);
/******************************************************************************
******************************************************************************/
extern int mcdi_load_mcupm(void);
/******************************************************************************
******************************************************************************/

static void do_load_spm(BOOTMODE mode)
{
#ifdef SPM_FW_USE_PARTITION
	PROFILING_START("load spm");
	load_spm();
	PROFILING_END();
#endif

}

static void do_load_scp(BOOTMODE mode)
{
#ifdef MTK_TINYSYS_SCP_SUPPORT
	PROFILING_START("load scp");
	if (mode != RECOVERY_BOOT) {
		if (load_scp() < 0) {
			/* if it load scp fail, turn off SCP hw*/
			disable_scp_hw();
		}
	} else {
		/* turn off scp in recovery mode*/
		disable_scp_hw();
	}
	PROFILING_END();
#endif
}

static void do_load_adsp(BOOTMODE mode)
{
#ifdef MTK_AUDIODSP_SUPPORT
	PROFILING_START("load adsp");
	if(load_adsp() < 0) {
		/* if it load adsp fail, turn off ADSP hw*/
		disable_adsp_hw();
	}
	PROFILING_END();
#endif
}

static void do_load_mcupm(BOOTMODE mode)
{
#ifdef MCUPM_FW_USE_PARTITION
	PROFILING_START("load mcupm");
	mcdi_load_mcupm();
	PROFILING_END();
#endif
}

static void do_load_modem(BOOTMODE mode)
{
	PROFILING_START("load modem image");
	/* NOTE: This MUST before setup_mem_property_use_mblock_info() !!! */
	if (modem_image_loaded) { // no need to load modem for "fastboot contiinue"
		dprintf(CRITICAL,"[ccci] modem already loaded in fastboot_init. no need load modem here\n");
	} else if (mode != RECOVERY_BOOT) {
		ccci_load_modem_image();
	} else {
		dprintf(CRITICAL,"[ccci] recovery mode, no need load modem\n");
	}
#if !defined(NO_MD_POWER_DOWN)
	/* just for 93: SBC on 93, need call power off after load modem image */
	extern void md_power_down(void)__attribute__((weak));
	if (md_power_down) {
		md_power_down();
	} else {
		dprintf(CRITICAL,"[ccci-off] later power down not needed or not ready!\n");
	}
#endif
	extern int md_power_control(BOOTMODE mode)__attribute__((weak));
	if (md_power_control) {
		md_power_control(mode);
	} else {
		dprintf(CRITICAL,"[ccci-off] later power down not needed or not ready!\n");
	}
	PROFILING_END();
}

static void do_load_vpu(BOOTMODE mode)
{
#ifdef MTK_VPU_SUPPORT
	int ret;
	PROFILING_START("load vpu");
	if ((ret = mt_load_vpu()) < 0) {
		dprintf(CRITICAL, "[LK ERROR] load VPU fail(ret = %d)!!!\n", ret);
	}
	PROFILING_END();
#endif
}

static void do_load_images(BOOTMODE mode)
{
	/* Don't load fw which not needed in recovery
	* This is to ensure recovery can be entered
	* even borken images are detected by verify boot
	*/
	if (RECOVERY_BOOT != mode) {
		do_load_vpu(mode);
		do_load_spm(mode);
		do_load_mcupm(mode);
	}
	/* Actially the md img is not loaded in recovery too.
	* Check inside this API, md power down to be decoupled
	*/
	do_load_scp(mode);
	do_load_modem(mode);
	do_load_adsp(mode);
}


/******************************************************************************
******************************************************************************/
#if !defined(ENABLE_IO_THREAD)
void load_images(BOOTMODE mode)
{
	do_load_images(mode);
}

#else

void load_images(BOOTMODE mode)
{
	/* Empty! */
}
#endif  // ENABLE_IO_THREAD


/******************************************************************************
******************************************************************************/
#if defined(ENABLE_IO_THREAD)
static void load_images_in_iothread(BOOTMODE mode)
{
	do_load_images(mode);
}

#else

static void load_images_in_iothread(BOOTMODE mode)
{
	/* Empty! */
}
#endif  // ENABLE_IO_THREAD


/******************************************************************************
******************************************************************************/
int iothread(void *arg)
{
	event_init(&iothread_start_event, false, 0);
	event_init(&iothread_end_event, false, 0);
	dprintf(INFO, "iothread starts.\n");

	wait_for_bootstrap2();

	load_images_in_iothread(g_boot_mode);

	wake_up_bootstrap2();

	return 0;
}