eth.c File Reference

#include "functional_efuse.h"
#include "eth.h"
#include "harvesting.h"
#include "init.h"
#include "noc.h"
#include "noc_init.h"
#include "noc2axi.h"
#include "reg.h"
#include "serdes_eth.h"
#include <tenstorrent/post_code.h>
#include <tenstorrent/spi_flash_buf.h>
#include <tenstorrent/sys_init_defines.h>
#include <tenstorrent/tt_boot_fs.h>
#include <zephyr/kernel.h>
#include <zephyr/logging/log.h>
#include <zephyr/init.h>
#include <zephyr/drivers/misc/bh_fwtable.h>
#include <zephyr/drivers/dma.h>
#include <zephyr/drivers/dma/dma_tt_bh_noc.h>
#include <zephyr/drivers/dma/dma_arc_hs.h>

Data Structures
struct	RESET_UNIT_PCIE_MISC_CNTL3_reg_t
union	RESET_UNIT_PCIE_MISC_CNTL3_reg_u

Macros
#define	ETH_SETUP_TLB   0
#define	ETH_PARAM_ADDR   0x7c000
#define	ERISC_L1_SIZE   (512 * 1024)
#define	ETH_RESET_PC_0   0xFFB14000
#define	ETH_END_PC_0   0xFFB14004
#define	ETH_RESET_PC_1   0xFFB14008
#define	ETH_END_PC_1   0xFFB1400C
#define	ETH_RISC_DEBUG_SOFT_RESET_0   0xFFB121B0
#define	ETH_MAC_ADDR_ORG   0x208C47 /* 20:8C:47 */
#define	ETH_FW_CFG_TAG   "ethfwcfg"
#define	ETH_FW_TAG   "ethfw"
#define	ETH_SD_REG_TAG   "ethsdreg"
#define	ETH_SD_FW_TAG   "ethsdfw"
#define	RESET_UNIT_PCIE_MISC_CNTL3_REG_DEFAULT   0x00000000
#define	RESET_UNIT_PCIE1_MISC_CNTL_3_REG_ADDR   0x8003050C
#define	RESET_UNIT_PCIE_MISC_CNTL_3_REG_ADDR   0x8003009C

Functions
	LOG_MODULE_REGISTER (eth, CONFIG_TT_APP_LOG_LEVEL)
static void	SetupEthTlb (uint32_t eth_inst, uint32_t ring, uint64_t addr)
void	SetupEthSerdesMux (uint32_t eth_enabled)
uint32_t	GetEthSel (uint32_t eth_enabled)
uint64_t	GetMacAddressBase (void)
void	ReleaseEthReset (uint32_t eth_inst, uint32_t ring)
int	LoadEthFw (uint32_t eth_inst, uint32_t ring, uint8_t *buf, size_t buf_size, size_t spi_address, size_t image_size)
int	LoadEthFwCfg (uint32_t eth_inst, uint32_t ring, uint8_t *buf, uint32_t eth_enabled, size_t spi_address, size_t image_size)
	Load the ETH FW configuration data into ETH L1 memory.
static void	SerdesEthInit (void)
static void	wipe_l1 (void)
static void	EthInit (void)
static int	eth_init (void)
	SYS_INIT_APP (eth_init)

Variables
static const struct device *const	fwtable_dev = DEVICE_DT_GET(DT_NODELABEL(fwtable))
static const struct device *	flash = DEVICE_DT_GET_OR_NULL(DT_NODELABEL(spi_flash))
static const struct device *const	arc_dma_dev = DEVICE_DT_GET_OR_NULL(DT_NODELABEL(dma0))
static const struct device *	dma_noc = DEVICE_DT_GET(DT_NODELABEL(dma1))

Macro Definition Documentation

ERISC_L1_SIZE

#define ERISC_L1_SIZE   (512 * 1024)

ETH_END_PC_0

#define ETH_END_PC_0   0xFFB14004

ETH_END_PC_1

#define ETH_END_PC_1   0xFFB1400C

ETH_FW_CFG_TAG

#define ETH_FW_CFG_TAG   "ethfwcfg"

ETH_FW_TAG

#define ETH_FW_TAG   "ethfw"

ETH_MAC_ADDR_ORG

#define ETH_MAC_ADDR_ORG   0x208C47 /* 20:8C:47 */

ETH_PARAM_ADDR

#define ETH_PARAM_ADDR   0x7c000

ETH_RESET_PC_0

#define ETH_RESET_PC_0   0xFFB14000

ETH_RESET_PC_1

#define ETH_RESET_PC_1   0xFFB14008

ETH_RISC_DEBUG_SOFT_RESET_0

#define ETH_RISC_DEBUG_SOFT_RESET_0   0xFFB121B0

ETH_SD_FW_TAG

#define ETH_SD_FW_TAG   "ethsdfw"

ETH_SD_REG_TAG

#define ETH_SD_REG_TAG   "ethsdreg"

ETH_SETUP_TLB

#define ETH_SETUP_TLB   0

RESET_UNIT_PCIE1_MISC_CNTL_3_REG_ADDR

#define RESET_UNIT_PCIE1_MISC_CNTL_3_REG_ADDR   0x8003050C

RESET_UNIT_PCIE_MISC_CNTL3_REG_DEFAULT

#define RESET_UNIT_PCIE_MISC_CNTL3_REG_DEFAULT   0x00000000

RESET_UNIT_PCIE_MISC_CNTL_3_REG_ADDR

#define RESET_UNIT_PCIE_MISC_CNTL_3_REG_ADDR   0x8003009C

Function Documentation

eth_init()

int eth_init ( void )

static

EthInit()

void EthInit ( void )

static

GetEthSel()

uint32_t GetEthSel

(

uint32_t

eth_enabled

)

GetMacAddressBase()

uint64_t GetMacAddressBase

(

void

)

LoadEthFw()

int LoadEthFw	(	uint32_t	eth_inst,
		uint32_t	ring,
		uint8_t *	buf,
		size_t	buf_size,
		size_t	spi_address,
		size_t	image_size )

LoadEthFwCfg()

int LoadEthFwCfg	(	uint32_t	eth_inst,
		uint32_t	ring,
		uint8_t *	buf,
		uint32_t	eth_enabled,
		size_t	spi_address,
		size_t	image_size )

Load the ETH FW configuration data into ETH L1 memory.

Parameters

eth_inst	ETH instance to load the FW config for
ring	Load over NOC 0 or NOC 1
eth_enabled	Bitmask of enabled ETH instances
fw_cfg_image	Pointer to the FW config data
fw_cfg_size	Size of the FW config data

Returns

int 0 on success, -1 on failure

LOG_MODULE_REGISTER()

LOG_MODULE_REGISTER	(	eth	,
		CONFIG_TT_APP_LOG_LEVEL	)

ReleaseEthReset()

void ReleaseEthReset	(	uint32_t	eth_inst,
		uint32_t	ring )

SerdesEthInit()

void SerdesEthInit ( void )

static

SetupEthSerdesMux()

void SetupEthSerdesMux

(

uint32_t

eth_enabled

)

SetupEthTlb()

void SetupEthTlb ( uint32_t eth_inst, uint32_t ring, uint64_t addr )

inlinestatic

SYS_INIT_APP()

SYS_INIT_APP

(

eth_init

)

wipe_l1()

void wipe_l1 ( void )

static

Variable Documentation

arc_dma_dev

const struct device* const arc_dma_dev = DEVICE_DT_GET_OR_NULL(DT_NODELABEL(dma0))

static

dma_noc

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

static

flash

const struct device* flash = DEVICE_DT_GET_OR_NULL(DT_NODELABEL(spi_flash))

static

fwtable_dev

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

static