tensix_init.c File Reference

#include "noc2axi.h"
#include "noc_init.h"
#include <stdint.h>
#include <tenstorrent/post_code.h>
#include <tenstorrent/sys_init_defines.h>
#include <zephyr/drivers/misc/bh_fwtable.h>
#include <zephyr/drivers/dma.h>
#include <zephyr/drivers/dma/dma_tt_bh_noc.h>
#include <zephyr/init.h>

Macros
#define	ARC_NOC0_X   8
#define	ARC_NOC0_Y   0
#define	TENSIX_L1_SIZE   (1536 * 1024)

Functions
static void	EnableTensixCG (void)
static void	wipe_l1 (void)
	Zeros the l1 of every non-harvested tensix core.
void	TensixInit (void)
static int	tensix_init (void)
	SYS_INIT_APP (tensix_init)

Variables
static const struct device *const	fwtable_dev = DEVICE_DT_GET(DT_NODELABEL(fwtable))
static const struct device *const	dma_noc = DEVICE_DT_GET(DT_NODELABEL(dma1))

Macro Definition Documentation

ARC_NOC0_X

#define ARC_NOC0_X   8

ARC_NOC0_Y

#define ARC_NOC0_Y   0

TENSIX_L1_SIZE

#define TENSIX_L1_SIZE   (1536 * 1024)

Function Documentation

EnableTensixCG()

void EnableTensixCG ( void )

static

SYS_INIT_APP()

SYS_INIT_APP

(

tensix_init

)

tensix_init()

int tensix_init ( void )

static

TensixInit()

void TensixInit

(

void

)

wipe_l1()

void wipe_l1 ( void )

static

Zeros the l1 of every non-harvested tensix core.

First zero the l1 of an arbitrary non-harvested tensix core, then broadcasts the zero'd l1 to all other non-harvested tensix cores. This approach is faster than iterating over all tensix cores sequentially to clear each l1.

Variable Documentation

dma_noc

const struct device* const dma_noc = DEVICE_DT_GET(DT_NODELABEL(dma1))

static

fwtable_dev

const struct device* const fwtable_dev = DEVICE_DT_GET(DT_NODELABEL(fwtable))

static