gddr.h File Reference

#include "gddr_telemetry_table.h"
#include <zephyr/sys_clock.h>

Go to the source code of this file.

Macros
#define	MIN_GDDR_SPEED   12000
#define	MAX_GDDR_SPEED   20000
#define	GDDR_SPEED_TO_MEMCLK_RATIO   16
#define	NUM_GDDR   8
#define	NUM_MRISC_NOC2AXI_PORT   3
#define	GDDR_TELEMETRY_TABLE_ADDR   0x8000
#define	GDDR_MSG_STRUCT_ADDR   0x6000
#define	RISC_CTRL_A_SCRATCH_0__REG_ADDR   0xFFB14010
#define	RISC_CTRL_A_SCRATCH_1__REG_ADDR   0xFFB14014
#define	RISC_CTRL_A_SCRATCH_2__REG_ADDR   0xFFB14018
#define	MRISC_INIT_STATUS   RISC_CTRL_A_SCRATCH_0__REG_ADDR
#define	MRISC_POST_CODE   RISC_CTRL_A_SCRATCH_1__REG_ADDR
#define	MRISC_MSG_REGISTER   RISC_CTRL_A_SCRATCH_2__REG_ADDR
#define	MRISC_INIT_FINISHED   0xdeadbeef
#define	MRISC_INIT_FAILED   0xfa11
#define	MRISC_INIT_BEFORE   0x11111111
#define	MRISC_INIT_STARTED   0x0
#define	MRISC_INIT_TIMEOUT   1000 /* In ms */
#define	MRISC_MEMTEST_TIMEOUT   1000 /* In ms */
#define	MRISC_POWER_SETTING_TIMEOUT_MS   1000
#define	MRISC_MSG_TYPE_NONE   0
	MRISC message type when no active message is signalled; acts as a completion signal from MRISC.
#define	MRISC_MSG_TYPE_PHY_POWERDOWN   1
	MRISC message to set the phy to power down state.
#define	MRISC_MSG_TYPE_PHY_WAKEUP   2
	MRISC message to set the phy to wake up state.
#define	MRISC_MSG_TYPE_RUN_MEMTEST   8
	MRISC message to run the memory test.

Functions
int	read_gddr_telemetry_table (uint8_t gddr_inst, gddr_telemetry_table_t *gddr_telemetry)
int32_t	set_mrisc_power_setting (bool on)
	Sets the MRISC power setting for all active MRISCs.

Macro Definition Documentation

GDDR_MSG_STRUCT_ADDR

#define GDDR_MSG_STRUCT_ADDR   0x6000

GDDR_SPEED_TO_MEMCLK_RATIO

#define GDDR_SPEED_TO_MEMCLK_RATIO   16

GDDR_TELEMETRY_TABLE_ADDR

#define GDDR_TELEMETRY_TABLE_ADDR   0x8000

MAX_GDDR_SPEED

#define MAX_GDDR_SPEED   20000

MIN_GDDR_SPEED

#define MIN_GDDR_SPEED   12000

MRISC_INIT_BEFORE

#define MRISC_INIT_BEFORE   0x11111111

MRISC_INIT_FAILED

#define MRISC_INIT_FAILED   0xfa11

MRISC_INIT_FINISHED

#define MRISC_INIT_FINISHED   0xdeadbeef

MRISC_INIT_STARTED

#define MRISC_INIT_STARTED   0x0

MRISC_INIT_STATUS

#define MRISC_INIT_STATUS   RISC_CTRL_A_SCRATCH_0__REG_ADDR

MRISC_INIT_TIMEOUT

#define MRISC_INIT_TIMEOUT   1000 /* In ms */

MRISC_MEMTEST_TIMEOUT

#define MRISC_MEMTEST_TIMEOUT   1000 /* In ms */

MRISC_MSG_REGISTER

#define MRISC_MSG_REGISTER   RISC_CTRL_A_SCRATCH_2__REG_ADDR

MRISC_MSG_TYPE_NONE

#define MRISC_MSG_TYPE_NONE   0

MRISC message type when no active message is signalled; acts as a completion signal from MRISC.

MRISC_MSG_TYPE_PHY_POWERDOWN

#define MRISC_MSG_TYPE_PHY_POWERDOWN   1

MRISC message to set the phy to power down state.

MRISC_MSG_TYPE_PHY_WAKEUP

#define MRISC_MSG_TYPE_PHY_WAKEUP   2

MRISC message to set the phy to wake up state.

MRISC_MSG_TYPE_RUN_MEMTEST

#define MRISC_MSG_TYPE_RUN_MEMTEST   8

MRISC message to run the memory test.

MRISC_POST_CODE

#define MRISC_POST_CODE   RISC_CTRL_A_SCRATCH_1__REG_ADDR

MRISC_POWER_SETTING_TIMEOUT_MS

#define MRISC_POWER_SETTING_TIMEOUT_MS   1000

NUM_GDDR

#define NUM_GDDR   8

NUM_MRISC_NOC2AXI_PORT

#define NUM_MRISC_NOC2AXI_PORT   3

RISC_CTRL_A_SCRATCH_0__REG_ADDR

#define RISC_CTRL_A_SCRATCH_0__REG_ADDR   0xFFB14010

RISC_CTRL_A_SCRATCH_1__REG_ADDR

#define RISC_CTRL_A_SCRATCH_1__REG_ADDR   0xFFB14014

RISC_CTRL_A_SCRATCH_2__REG_ADDR

#define RISC_CTRL_A_SCRATCH_2__REG_ADDR   0xFFB14018

Function Documentation

read_gddr_telemetry_table()

int read_gddr_telemetry_table	(	uint8_t	gddr_inst,
		gddr_telemetry_table_t *	gddr_telemetry )

set_mrisc_power_setting()

int32_t set_mrisc_power_setting

(

bool

on

)

Sets the MRISC power setting for all active MRISCs.

Parameters

[in]

on

true to send MRISCs the MRISC_MSG_TYPE_PHY_WAKEUP command false to send MRISCs the MRISC_MSG_TYPE_PHY_POWERDOWN command

Returns

0 on success. Negative error code on failure.