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0d44752442
Add command tests for DDR interactive mode, used during board bring-up or with CubeMX DDR tools to verify the DDR configuration. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
1426 lines
36 KiB
C
1426 lines
36 KiB
C
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
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/*
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* Copyright (C) 2019, STMicroelectronics - All Rights Reserved
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*/
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#include <common.h>
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#include <console.h>
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#include <asm/io.h>
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#include <linux/log2.h>
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#include "stm32mp1_tests.h"
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#define ADDR_INVALID 0xFFFFFFFF
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DECLARE_GLOBAL_DATA_PTR;
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static int get_bufsize(char *string, int argc, char *argv[], int arg_nb,
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size_t *bufsize, size_t default_size)
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{
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unsigned long value;
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if (argc > arg_nb) {
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if (strict_strtoul(argv[arg_nb], 0, &value) < 0) {
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sprintf(string, "invalid %d parameter %s",
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arg_nb, argv[arg_nb]);
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return -1;
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}
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if (value > STM32_DDR_SIZE || value == 0) {
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sprintf(string, "invalid size %s", argv[arg_nb]);
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return -1;
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}
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if (value & 0x3) {
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sprintf(string, "unaligned size %s",
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argv[arg_nb]);
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return -1;
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}
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*bufsize = value;
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} else {
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if (default_size != STM32_DDR_SIZE)
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*bufsize = default_size;
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else
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*bufsize = get_ram_size((long *)STM32_DDR_BASE,
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STM32_DDR_SIZE);
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}
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return 0;
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}
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static int get_nb_loop(char *string, int argc, char *argv[], int arg_nb,
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u32 *nb_loop, u32 default_nb_loop)
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{
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unsigned long value;
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if (argc > arg_nb) {
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if (strict_strtoul(argv[arg_nb], 0, &value) < 0) {
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sprintf(string, "invalid %d parameter %s",
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arg_nb, argv[arg_nb]);
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return -1;
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}
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if (value == 0)
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printf("WARNING: infinite loop requested\n");
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*nb_loop = value;
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} else {
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*nb_loop = default_nb_loop;
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}
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return 0;
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}
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static int get_addr(char *string, int argc, char *argv[], int arg_nb,
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u32 *addr)
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{
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unsigned long value;
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if (argc > arg_nb) {
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if (strict_strtoul(argv[arg_nb], 16, &value) < 0) {
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sprintf(string, "invalid %d parameter %s",
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arg_nb, argv[arg_nb]);
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return -1;
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}
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if (value < STM32_DDR_BASE) {
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sprintf(string, "too low address %s", argv[arg_nb]);
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return -1;
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}
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if (value & 0x3 && value != ADDR_INVALID) {
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sprintf(string, "unaligned address %s",
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argv[arg_nb]);
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return -1;
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}
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*addr = value;
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} else {
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*addr = STM32_DDR_BASE;
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}
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return 0;
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}
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static int get_pattern(char *string, int argc, char *argv[], int arg_nb,
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u32 *pattern, u32 default_pattern)
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{
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unsigned long value;
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if (argc > arg_nb) {
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if (strict_strtoul(argv[arg_nb], 16, &value) < 0) {
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sprintf(string, "invalid %d parameter %s",
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arg_nb, argv[arg_nb]);
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return -1;
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}
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*pattern = value;
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} else {
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*pattern = default_pattern;
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}
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return 0;
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}
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static u32 check_addr(u32 addr, u32 value)
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{
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u32 data = readl(addr);
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if (value != data) {
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printf("0x%08x: 0x%08x <=> 0x%08x", addr, data, value);
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data = readl(addr);
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printf("(2nd read: 0x%08x)", data);
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if (value == data)
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printf("- read error");
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else
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printf("- write error");
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printf("\n");
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return -1;
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}
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return 0;
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}
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static int progress(u32 offset)
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{
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if (!(offset & 0xFFFFFF)) {
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putc('.');
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if (ctrlc()) {
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printf("\ntest interrupted!\n");
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return 1;
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}
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}
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return 0;
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}
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static int test_loop_end(u32 *loop, u32 nb_loop, u32 progress)
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{
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(*loop)++;
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if (nb_loop && *loop >= nb_loop)
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return 1;
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if ((*loop) % progress)
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return 0;
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/* allow to interrupt the test only for progress step */
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if (ctrlc()) {
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printf("test interrupted!\n");
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return 1;
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}
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printf("loop #%d\n", *loop);
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return 0;
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}
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/**********************************************************************
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*
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* Function: memTestDataBus()
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*
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* Description: Test the data bus wiring in a memory region by
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* performing a walking 1's test at a fixed address
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* within that region. The address is selected
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* by the caller.
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*
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* Notes:
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*
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* Returns: 0 if the test succeeds.
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* A non-zero result is the first pattern that failed.
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*
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**********************************************************************/
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static u32 databus(u32 *address)
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{
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u32 pattern;
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u32 read_value;
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/* Perform a walking 1's test at the given address. */
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for (pattern = 1; pattern != 0; pattern <<= 1) {
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/* Write the test pattern. */
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writel(pattern, address);
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/* Read it back (immediately is okay for this test). */
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read_value = readl(address);
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debug("%x: %x <=> %x\n",
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(u32)address, read_value, pattern);
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if (read_value != pattern)
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return pattern;
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}
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return 0;
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}
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/**********************************************************************
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*
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* Function: memTestAddressBus()
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*
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* Description: Test the address bus wiring in a memory region by
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* performing a walking 1's test on the relevant bits
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* of the address and checking for aliasing. This test
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* will find single-bit address failures such as stuck
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* -high, stuck-low, and shorted pins. The base address
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* and size of the region are selected by the caller.
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*
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* Notes: For best results, the selected base address should
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* have enough LSB 0's to guarantee single address bit
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* changes. For example, to test a 64-Kbyte region,
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* select a base address on a 64-Kbyte boundary. Also,
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* select the region size as a power-of-two--if at all
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* possible.
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*
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* Returns: NULL if the test succeeds.
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* A non-zero result is the first address at which an
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* aliasing problem was uncovered. By examining the
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* contents of memory, it may be possible to gather
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* additional information about the problem.
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*
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**********************************************************************/
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static u32 *addressbus(u32 *address, u32 nb_bytes)
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{
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u32 mask = (nb_bytes / sizeof(u32) - 1);
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u32 offset;
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u32 test_offset;
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u32 read_value;
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u32 pattern = 0xAAAAAAAA;
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u32 antipattern = 0x55555555;
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/* Write the default pattern at each of the power-of-two offsets. */
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for (offset = 1; (offset & mask) != 0; offset <<= 1)
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writel(pattern, &address[offset]);
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/* Check for address bits stuck high. */
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test_offset = 0;
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writel(antipattern, &address[test_offset]);
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for (offset = 1; (offset & mask) != 0; offset <<= 1) {
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read_value = readl(&address[offset]);
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debug("%x: %x <=> %x\n",
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(u32)&address[offset], read_value, pattern);
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if (read_value != pattern)
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return &address[offset];
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}
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writel(pattern, &address[test_offset]);
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/* Check for address bits stuck low or shorted. */
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for (test_offset = 1; (test_offset & mask) != 0; test_offset <<= 1) {
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writel(antipattern, &address[test_offset]);
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if (readl(&address[0]) != pattern)
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return &address[test_offset];
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for (offset = 1; (offset & mask) != 0; offset <<= 1) {
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if (readl(&address[offset]) != pattern &&
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offset != test_offset)
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return &address[test_offset];
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}
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writel(pattern, &address[test_offset]);
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}
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return NULL;
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}
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/**********************************************************************
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*
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* Function: memTestDevice()
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*
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* Description: Test the integrity of a physical memory device by
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* performing an increment/decrement test over the
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* entire region. In the process every storage bit
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* in the device is tested as a zero and a one. The
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* base address and the size of the region are
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* selected by the caller.
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*
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* Notes:
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*
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* Returns: NULL if the test succeeds.
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*
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* A non-zero result is the first address at which an
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* incorrect value was read back. By examining the
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* contents of memory, it may be possible to gather
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* additional information about the problem.
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*
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**********************************************************************/
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static u32 *memdevice(u32 *address, u32 nb_bytes)
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{
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u32 offset;
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u32 nb_words = nb_bytes / sizeof(u32);
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u32 pattern;
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u32 antipattern;
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puts("Fill with pattern");
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/* Fill memory with a known pattern. */
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for (pattern = 1, offset = 0; offset < nb_words; pattern++, offset++) {
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writel(pattern, &address[offset]);
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if (progress(offset))
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return NULL;
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}
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puts("\nCheck and invert pattern");
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/* Check each location and invert it for the second pass. */
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for (pattern = 1, offset = 0; offset < nb_words; pattern++, offset++) {
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if (readl(&address[offset]) != pattern)
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return &address[offset];
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antipattern = ~pattern;
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writel(antipattern, &address[offset]);
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if (progress(offset))
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return NULL;
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}
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puts("\nCheck inverted pattern");
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/* Check each location for the inverted pattern and zero it. */
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for (pattern = 1, offset = 0; offset < nb_words; pattern++, offset++) {
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antipattern = ~pattern;
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if (readl(&address[offset]) != antipattern)
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return &address[offset];
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if (progress(offset))
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return NULL;
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}
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printf("\n");
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return NULL;
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}
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static enum test_result databuswalk0(struct stm32mp1_ddrctl *ctl,
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struct stm32mp1_ddrphy *phy,
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char *string, int argc, char *argv[])
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{
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int i;
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u32 loop = 0, nb_loop;
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u32 addr;
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u32 error = 0;
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u32 data;
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if (get_nb_loop(string, argc, argv, 0, &nb_loop, 100))
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return TEST_ERROR;
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if (get_addr(string, argc, argv, 1, &addr))
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return TEST_ERROR;
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printf("running %d loops at 0x%x\n", nb_loop, addr);
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while (!error) {
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for (i = 0; i < 32; i++)
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writel(~(1 << i), addr + 4 * i);
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for (i = 0; i < 32; i++) {
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data = readl(addr + 4 * i);
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if (~(1 << i) != data) {
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error |= 1 << i;
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debug("%x: error %x expected %x => error:%x\n",
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addr + 4 * i, data, ~(1 << i), error);
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}
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}
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if (test_loop_end(&loop, nb_loop, 1000))
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break;
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for (i = 0; i < 32; i++)
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writel(0, addr + 4 * i);
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}
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if (error) {
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sprintf(string, "loop %d: error for bits 0x%x",
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loop, error);
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return TEST_FAILED;
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}
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sprintf(string, "no error for %d loops", loop);
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return TEST_PASSED;
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}
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static enum test_result databuswalk1(struct stm32mp1_ddrctl *ctl,
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struct stm32mp1_ddrphy *phy,
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char *string, int argc, char *argv[])
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{
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int i;
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u32 loop = 0, nb_loop;
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u32 addr;
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u32 error = 0;
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u32 data;
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if (get_nb_loop(string, argc, argv, 0, &nb_loop, 100))
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return TEST_ERROR;
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if (get_addr(string, argc, argv, 1, &addr))
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return TEST_ERROR;
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printf("running %d loops at 0x%x\n", nb_loop, addr);
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while (!error) {
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for (i = 0; i < 32; i++)
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writel(1 << i, addr + 4 * i);
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for (i = 0; i < 32; i++) {
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data = readl(addr + 4 * i);
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if ((1 << i) != data) {
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error |= 1 << i;
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debug("%x: error %x expected %x => error:%x\n",
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addr + 4 * i, data, (1 << i), error);
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}
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}
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if (test_loop_end(&loop, nb_loop, 1000))
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break;
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for (i = 0; i < 32; i++)
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writel(0, addr + 4 * i);
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}
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if (error) {
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sprintf(string, "loop %d: error for bits 0x%x",
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loop, error);
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return TEST_FAILED;
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}
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sprintf(string, "no error for %d loops", loop);
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return TEST_PASSED;
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}
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static enum test_result test_databus(struct stm32mp1_ddrctl *ctl,
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struct stm32mp1_ddrphy *phy,
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char *string, int argc, char *argv[])
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{
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u32 addr;
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u32 error;
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if (get_addr(string, argc, argv, 0, &addr))
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return TEST_ERROR;
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error = databus((u32 *)addr);
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if (error) {
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sprintf(string, "0x%x: error for bits 0x%x",
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addr, error);
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return TEST_FAILED;
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}
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sprintf(string, "address 0x%x", addr);
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return TEST_PASSED;
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}
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static enum test_result test_addressbus(struct stm32mp1_ddrctl *ctl,
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struct stm32mp1_ddrphy *phy,
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char *string, int argc, char *argv[])
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{
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u32 addr;
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u32 bufsize;
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u32 error;
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if (get_bufsize(string, argc, argv, 0, &bufsize, 4 * 1024))
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return TEST_ERROR;
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if (!is_power_of_2(bufsize)) {
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sprintf(string, "size 0x%x is not a power of 2",
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(u32)bufsize);
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return TEST_ERROR;
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}
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if (get_addr(string, argc, argv, 1, &addr))
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return TEST_ERROR;
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error = (u32)addressbus((u32 *)addr, bufsize);
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if (error) {
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sprintf(string, "0x%x: error for address 0x%x",
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addr, error);
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return TEST_FAILED;
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}
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sprintf(string, "address 0x%x, size 0x%x",
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addr, bufsize);
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return TEST_PASSED;
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}
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static enum test_result test_memdevice(struct stm32mp1_ddrctl *ctl,
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struct stm32mp1_ddrphy *phy,
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char *string, int argc, char *argv[])
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{
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u32 addr;
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size_t bufsize;
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u32 error;
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if (get_bufsize(string, argc, argv, 0, &bufsize, 4 * 1024))
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return TEST_ERROR;
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if (get_addr(string, argc, argv, 1, &addr))
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return TEST_ERROR;
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error = (u32)memdevice((u32 *)addr, (unsigned long)bufsize);
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if (error) {
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sprintf(string, "0x%x: error for address 0x%x",
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addr, error);
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return TEST_FAILED;
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}
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sprintf(string, "address 0x%x, size 0x%x",
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addr, bufsize);
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return TEST_PASSED;
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}
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/**********************************************************************
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*
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* Function: sso
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*
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* Description: Test the Simultaneous Switching Output.
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* Verifies succes sive reads and writes to the same memory word,
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* holding one bit constant while toggling all other data bits
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* simultaneously
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* => stress the data bus over an address range
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*
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* The CPU writes to each address in the given range.
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* For each bit, first the CPU holds the bit at 1 while
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* toggling the other bits, and then the CPU holds the bit at 0
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* while toggling the other bits.
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* After each write, the CPU reads the address that was written
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* to verify that it contains the correct data
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*
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**********************************************************************/
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static enum test_result test_sso(struct stm32mp1_ddrctl *ctl,
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struct stm32mp1_ddrphy *phy,
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char *string, int argc, char *argv[])
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{
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int i, j;
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u32 addr, bufsize, remaining, offset;
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u32 error = 0;
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u32 data;
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if (get_bufsize(string, argc, argv, 0, &bufsize, 4))
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return TEST_ERROR;
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if (get_addr(string, argc, argv, 1, &addr))
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return TEST_ERROR;
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printf("running sso at 0x%x length 0x%x", addr, bufsize);
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offset = addr;
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remaining = bufsize;
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while (remaining) {
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for (i = 0; i < 32; i++) {
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/* write pattern. */
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for (j = 0; j < 6; j++) {
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switch (j) {
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case 0:
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case 2:
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data = 1 << i;
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break;
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case 3:
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case 5:
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data = ~(1 << i);
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|
break;
|
|
case 1:
|
|
data = ~0x0;
|
|
break;
|
|
case 4:
|
|
data = 0x0;
|
|
break;
|
|
}
|
|
|
|
writel(data, offset);
|
|
error = check_addr(offset, data);
|
|
if (error)
|
|
goto end;
|
|
}
|
|
}
|
|
offset += 4;
|
|
remaining -= 4;
|
|
if (progress(offset << 7))
|
|
goto end;
|
|
}
|
|
puts("\n");
|
|
|
|
end:
|
|
if (error) {
|
|
sprintf(string, "error for pattern 0x%x @0x%x",
|
|
data, offset);
|
|
return TEST_FAILED;
|
|
}
|
|
sprintf(string, "no error for sso at 0x%x length 0x%x", addr, bufsize);
|
|
return TEST_PASSED;
|
|
}
|
|
|
|
/**********************************************************************
|
|
*
|
|
* Function: Random
|
|
*
|
|
* Description: Verifies r/w with pseudo-ramdom value on one region
|
|
* + write the region (individual access)
|
|
* + memcopy to the 2nd region (try to use burst)
|
|
* + verify the 2 regions
|
|
*
|
|
**********************************************************************/
|
|
static enum test_result test_random(struct stm32mp1_ddrctl *ctl,
|
|
struct stm32mp1_ddrphy *phy,
|
|
char *string, int argc, char *argv[])
|
|
{
|
|
u32 addr, offset, value = 0;
|
|
size_t bufsize;
|
|
u32 loop = 0, nb_loop;
|
|
u32 error = 0;
|
|
unsigned int seed;
|
|
|
|
if (get_bufsize(string, argc, argv, 0, &bufsize, 4 * 1024))
|
|
return TEST_ERROR;
|
|
if (get_nb_loop(string, argc, argv, 1, &nb_loop, 1))
|
|
return TEST_ERROR;
|
|
if (get_addr(string, argc, argv, 2, &addr))
|
|
return TEST_ERROR;
|
|
|
|
printf("running %d loops at 0x%x\n", nb_loop, addr);
|
|
while (!error) {
|
|
seed = rand();
|
|
for (offset = addr; offset < addr + bufsize; offset += 4)
|
|
writel(rand(), offset);
|
|
|
|
memcpy((void *)addr + bufsize, (void *)addr, bufsize);
|
|
|
|
srand(seed);
|
|
for (offset = addr; offset < addr + 2 * bufsize; offset += 4) {
|
|
if (offset == (addr + bufsize))
|
|
srand(seed);
|
|
value = rand();
|
|
error = check_addr(offset, value);
|
|
if (error)
|
|
break;
|
|
if (progress(offset))
|
|
return TEST_FAILED;
|
|
}
|
|
if (test_loop_end(&loop, nb_loop, 100))
|
|
break;
|
|
}
|
|
|
|
if (error) {
|
|
sprintf(string,
|
|
"loop %d: error for address 0x%x: 0x%x expected 0x%x",
|
|
loop, offset, readl(offset), value);
|
|
return TEST_FAILED;
|
|
}
|
|
sprintf(string, "no error for %d loops, size 0x%x",
|
|
loop, bufsize);
|
|
return TEST_PASSED;
|
|
}
|
|
|
|
/**********************************************************************
|
|
*
|
|
* Function: noise
|
|
*
|
|
* Description: Verifies r/w while forcing switching of all data bus lines.
|
|
* optimised 4 iteration write/read/write/read cycles...
|
|
* for pattern and inversed pattern
|
|
*
|
|
**********************************************************************/
|
|
void do_noise(u32 addr, u32 pattern, u32 *result)
|
|
{
|
|
__asm__("push {R0-R11}");
|
|
__asm__("mov r0, %0" : : "r" (addr));
|
|
__asm__("mov r1, %0" : : "r" (pattern));
|
|
__asm__("mov r11, %0" : : "r" (result));
|
|
|
|
__asm__("mvn r2, r1");
|
|
|
|
__asm__("str r1, [r0]");
|
|
__asm__("ldr r3, [r0]");
|
|
__asm__("str r2, [r0]");
|
|
__asm__("ldr r4, [r0]");
|
|
|
|
__asm__("str r1, [r0]");
|
|
__asm__("ldr r5, [r0]");
|
|
__asm__("str r2, [r0]");
|
|
__asm__("ldr r6, [r0]");
|
|
|
|
__asm__("str r1, [r0]");
|
|
__asm__("ldr r7, [r0]");
|
|
__asm__("str r2, [r0]");
|
|
__asm__("ldr r8, [r0]");
|
|
|
|
__asm__("str r1, [r0]");
|
|
__asm__("ldr r9, [r0]");
|
|
__asm__("str r2, [r0]");
|
|
__asm__("ldr r10, [r0]");
|
|
|
|
__asm__("stmia R11!, {R3-R10}");
|
|
|
|
__asm__("pop {R0-R11}");
|
|
}
|
|
|
|
static enum test_result test_noise(struct stm32mp1_ddrctl *ctl,
|
|
struct stm32mp1_ddrphy *phy,
|
|
char *string, int argc, char *argv[])
|
|
{
|
|
u32 addr, pattern;
|
|
u32 result[8];
|
|
int i;
|
|
enum test_result res = TEST_PASSED;
|
|
|
|
if (get_pattern(string, argc, argv, 0, &pattern, 0xFFFFFFFF))
|
|
return TEST_ERROR;
|
|
if (get_addr(string, argc, argv, 1, &addr))
|
|
return TEST_ERROR;
|
|
|
|
printf("running noise for 0x%x at 0x%x\n", pattern, addr);
|
|
|
|
do_noise(addr, pattern, result);
|
|
|
|
for (i = 0; i < 0x8;) {
|
|
if (check_addr((u32)&result[i++], pattern))
|
|
res = TEST_FAILED;
|
|
if (check_addr((u32)&result[i++], ~pattern))
|
|
res = TEST_FAILED;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
/**********************************************************************
|
|
*
|
|
* Function: noise_burst
|
|
*
|
|
* Description: Verifies r/w while forcing switching of all data bus lines.
|
|
* optimised write loop witrh store multiple to use burst
|
|
* for pattern and inversed pattern
|
|
*
|
|
**********************************************************************/
|
|
void do_noise_burst(u32 addr, u32 pattern, size_t bufsize)
|
|
{
|
|
__asm__("push {R0-R9}");
|
|
__asm__("mov r0, %0" : : "r" (addr));
|
|
__asm__("mov r1, %0" : : "r" (pattern));
|
|
__asm__("mov r9, %0" : : "r" (bufsize));
|
|
|
|
__asm__("mvn r2, r1");
|
|
__asm__("mov r3, r1");
|
|
__asm__("mov r4, r2");
|
|
__asm__("mov r5, r1");
|
|
__asm__("mov r6, r2");
|
|
__asm__("mov r7, r1");
|
|
__asm__("mov r8, r2");
|
|
|
|
__asm__("loop1:");
|
|
__asm__("stmia R0!, {R1-R8}");
|
|
__asm__("stmia R0!, {R1-R8}");
|
|
__asm__("stmia R0!, {R1-R8}");
|
|
__asm__("stmia R0!, {R1-R8}");
|
|
__asm__("subs r9, r9, #128");
|
|
__asm__("bge loop1");
|
|
__asm__("pop {R0-R9}");
|
|
}
|
|
|
|
/* chunk size enough to allow interruption with Ctrl-C*/
|
|
#define CHUNK_SIZE 0x8000000
|
|
static enum test_result test_noise_burst(struct stm32mp1_ddrctl *ctl,
|
|
struct stm32mp1_ddrphy *phy,
|
|
char *string, int argc, char *argv[])
|
|
{
|
|
u32 addr, offset, pattern;
|
|
size_t bufsize, remaining, size;
|
|
int i;
|
|
enum test_result res = TEST_PASSED;
|
|
|
|
if (get_bufsize(string, argc, argv, 0, &bufsize, 4 * 1024))
|
|
return TEST_ERROR;
|
|
if (get_pattern(string, argc, argv, 1, &pattern, 0xFFFFFFFF))
|
|
return TEST_ERROR;
|
|
if (get_addr(string, argc, argv, 2, &addr))
|
|
return TEST_ERROR;
|
|
|
|
printf("running noise burst for 0x%x at 0x%x + 0x%x",
|
|
pattern, addr, bufsize);
|
|
|
|
offset = addr;
|
|
remaining = bufsize;
|
|
size = CHUNK_SIZE;
|
|
while (remaining) {
|
|
if (remaining < size)
|
|
size = remaining;
|
|
do_noise_burst(offset, pattern, size);
|
|
remaining -= size;
|
|
offset += size;
|
|
if (progress(offset)) {
|
|
res = TEST_FAILED;
|
|
goto end;
|
|
}
|
|
}
|
|
puts("\ncheck buffer");
|
|
for (i = 0; i < bufsize;) {
|
|
if (check_addr(addr + i, pattern))
|
|
res = TEST_FAILED;
|
|
i += 4;
|
|
if (check_addr(addr + i, ~pattern))
|
|
res = TEST_FAILED;
|
|
i += 4;
|
|
if (progress(i)) {
|
|
res = TEST_FAILED;
|
|
goto end;
|
|
}
|
|
}
|
|
end:
|
|
puts("\n");
|
|
return res;
|
|
}
|
|
|
|
/**********************************************************************
|
|
*
|
|
* Function: pattern test
|
|
*
|
|
* Description: optimized loop for read/write pattern (array of 8 u32)
|
|
*
|
|
**********************************************************************/
|
|
#define PATTERN_SIZE 8
|
|
static enum test_result test_loop(const u32 *pattern, u32 *address,
|
|
const u32 bufsize)
|
|
{
|
|
int i;
|
|
int j;
|
|
enum test_result res = TEST_PASSED;
|
|
u32 *offset, testsize, remaining;
|
|
|
|
offset = address;
|
|
remaining = bufsize;
|
|
while (remaining) {
|
|
testsize = bufsize > 0x1000000 ? 0x1000000 : bufsize;
|
|
|
|
__asm__("push {R0-R10}");
|
|
__asm__("mov r0, %0" : : "r" (pattern));
|
|
__asm__("mov r1, %0" : : "r" (offset));
|
|
__asm__("mov r2, %0" : : "r" (testsize));
|
|
__asm__("ldmia r0!, {R3-R10}");
|
|
|
|
__asm__("loop2:");
|
|
__asm__("stmia r1!, {R3-R10}");
|
|
__asm__("stmia r1!, {R3-R10}");
|
|
__asm__("stmia r1!, {R3-R10}");
|
|
__asm__("stmia r1!, {R3-R10}");
|
|
__asm__("subs r2, r2, #8");
|
|
__asm__("bge loop2");
|
|
__asm__("pop {R0-R10}");
|
|
|
|
offset += testsize;
|
|
remaining -= testsize;
|
|
if (progress((u32)offset)) {
|
|
res = TEST_FAILED;
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
puts("\ncheck buffer");
|
|
for (i = 0; i < bufsize; i += PATTERN_SIZE * 4) {
|
|
for (j = 0; j < PATTERN_SIZE; j++, address++)
|
|
if (check_addr((u32)address, pattern[j])) {
|
|
res = TEST_FAILED;
|
|
goto end;
|
|
}
|
|
if (progress(i)) {
|
|
res = TEST_FAILED;
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
end:
|
|
puts("\n");
|
|
return res;
|
|
}
|
|
|
|
const u32 pattern_div1_x16[PATTERN_SIZE] = {
|
|
0x0000FFFF, 0x0000FFFF, 0x0000FFFF, 0x0000FFFF,
|
|
0x0000FFFF, 0x0000FFFF, 0x0000FFFF, 0x0000FFFF
|
|
};
|
|
|
|
const u32 pattern_div2_x16[PATTERN_SIZE] = {
|
|
0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000,
|
|
0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000000
|
|
};
|
|
|
|
const u32 pattern_div4_x16[PATTERN_SIZE] = {
|
|
0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000,
|
|
0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000
|
|
};
|
|
|
|
const u32 pattern_div4_x32[PATTERN_SIZE] = {
|
|
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000
|
|
};
|
|
|
|
const u32 pattern_mostly_zero_x16[PATTERN_SIZE] = {
|
|
0x00000000, 0x00000000, 0x00000000, 0x0000FFFF,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000
|
|
};
|
|
|
|
const u32 pattern_mostly_zero_x32[PATTERN_SIZE] = {
|
|
0x00000000, 0x00000000, 0x00000000, 0xFFFFFFFF,
|
|
0x00000000, 0x00000000, 0x00000000, 0x00000000
|
|
};
|
|
|
|
const u32 pattern_mostly_one_x16[PATTERN_SIZE] = {
|
|
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x0000FFFF,
|
|
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF
|
|
};
|
|
|
|
const u32 pattern_mostly_one_x32[PATTERN_SIZE] = {
|
|
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000,
|
|
0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF
|
|
};
|
|
|
|
#define NB_PATTERN 5
|
|
static enum test_result test_freq_pattern(struct stm32mp1_ddrctl *ctl,
|
|
struct stm32mp1_ddrphy *phy,
|
|
char *string, int argc, char *argv[])
|
|
{
|
|
const u32 * const patterns_x16[NB_PATTERN] = {
|
|
pattern_div1_x16,
|
|
pattern_div2_x16,
|
|
pattern_div4_x16,
|
|
pattern_mostly_zero_x16,
|
|
pattern_mostly_one_x16,
|
|
};
|
|
const u32 * const patterns_x32[NB_PATTERN] = {
|
|
pattern_div2_x16,
|
|
pattern_div4_x16,
|
|
pattern_div4_x32,
|
|
pattern_mostly_zero_x32,
|
|
pattern_mostly_one_x32
|
|
};
|
|
const char *patterns_comments[NB_PATTERN] = {
|
|
"switching at frequency F/1",
|
|
"switching at frequency F/2",
|
|
"switching at frequency F/4",
|
|
"mostly zero",
|
|
"mostly one"
|
|
};
|
|
|
|
enum test_result res = TEST_PASSED, pattern_res;
|
|
int i, bus_width;
|
|
const u32 **patterns;
|
|
u32 bufsize;
|
|
|
|
if (get_bufsize(string, argc, argv, 0, &bufsize, 4 * 1024))
|
|
return TEST_ERROR;
|
|
|
|
switch (readl(&ctl->mstr) & DDRCTRL_MSTR_DATA_BUS_WIDTH_MASK) {
|
|
case DDRCTRL_MSTR_DATA_BUS_WIDTH_HALF:
|
|
case DDRCTRL_MSTR_DATA_BUS_WIDTH_QUARTER:
|
|
bus_width = 16;
|
|
break;
|
|
default:
|
|
bus_width = 32;
|
|
break;
|
|
}
|
|
|
|
printf("running test pattern at 0x%08x length 0x%x width = %d\n",
|
|
STM32_DDR_BASE, bufsize, bus_width);
|
|
|
|
patterns =
|
|
(const u32 **)(bus_width == 16 ? patterns_x16 : patterns_x32);
|
|
|
|
for (i = 0; i < NB_PATTERN; i++) {
|
|
printf("test data pattern %s:", patterns_comments[i]);
|
|
pattern_res = test_loop(patterns[i], (u32 *)STM32_DDR_BASE,
|
|
bufsize);
|
|
if (pattern_res != TEST_PASSED) {
|
|
printf("Failed\n");
|
|
return pattern_res;
|
|
}
|
|
printf("Passed\n");
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
/**********************************************************************
|
|
*
|
|
* Function: pattern test with size
|
|
*
|
|
* Description: loop for write pattern
|
|
*
|
|
**********************************************************************/
|
|
|
|
static enum test_result test_loop_size(const u32 *pattern, u32 size,
|
|
u32 *address,
|
|
const u32 bufsize)
|
|
{
|
|
int i, j;
|
|
enum test_result res = TEST_PASSED;
|
|
u32 *p = address;
|
|
|
|
for (i = 0; i < bufsize; i += size * 4) {
|
|
for (j = 0; j < size ; j++, p++)
|
|
*p = pattern[j];
|
|
if (progress(i)) {
|
|
res = TEST_FAILED;
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
puts("\ncheck buffer");
|
|
p = address;
|
|
for (i = 0; i < bufsize; i += size * 4) {
|
|
for (j = 0; j < size; j++, p++)
|
|
if (check_addr((u32)p, pattern[j])) {
|
|
res = TEST_FAILED;
|
|
goto end;
|
|
}
|
|
if (progress(i)) {
|
|
res = TEST_FAILED;
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
end:
|
|
puts("\n");
|
|
return res;
|
|
}
|
|
|
|
static enum test_result test_checkboard(struct stm32mp1_ddrctl *ctl,
|
|
struct stm32mp1_ddrphy *phy,
|
|
char *string, int argc, char *argv[])
|
|
{
|
|
enum test_result res = TEST_PASSED;
|
|
u32 bufsize, nb_loop, loop = 0, addr;
|
|
int i;
|
|
|
|
u32 checkboard[2] = {0x55555555, 0xAAAAAAAA};
|
|
|
|
if (get_bufsize(string, argc, argv, 0, &bufsize, 4 * 1024))
|
|
return TEST_ERROR;
|
|
if (get_nb_loop(string, argc, argv, 1, &nb_loop, 1))
|
|
return TEST_ERROR;
|
|
if (get_addr(string, argc, argv, 2, &addr))
|
|
return TEST_ERROR;
|
|
|
|
printf("running %d loops at 0x%08x length 0x%x\n",
|
|
nb_loop, addr, bufsize);
|
|
while (1) {
|
|
for (i = 0; i < 2; i++) {
|
|
res = test_loop_size(checkboard, 2, (u32 *)addr,
|
|
bufsize);
|
|
if (res)
|
|
return res;
|
|
checkboard[0] = ~checkboard[0];
|
|
checkboard[1] = ~checkboard[1];
|
|
}
|
|
if (test_loop_end(&loop, nb_loop, 1))
|
|
break;
|
|
}
|
|
sprintf(string, "no error for %d loops at 0x%08x length 0x%x",
|
|
loop, addr, bufsize);
|
|
|
|
return res;
|
|
}
|
|
|
|
static enum test_result test_blockseq(struct stm32mp1_ddrctl *ctl,
|
|
struct stm32mp1_ddrphy *phy,
|
|
char *string, int argc, char *argv[])
|
|
{
|
|
enum test_result res = TEST_PASSED;
|
|
u32 bufsize, nb_loop, loop = 0, addr, value;
|
|
int i;
|
|
|
|
if (get_bufsize(string, argc, argv, 0, &bufsize, 4 * 1024))
|
|
return TEST_ERROR;
|
|
if (get_nb_loop(string, argc, argv, 1, &nb_loop, 1))
|
|
return TEST_ERROR;
|
|
if (get_addr(string, argc, argv, 2, &addr))
|
|
return TEST_ERROR;
|
|
|
|
printf("running %d loops at 0x%08x length 0x%x\n",
|
|
nb_loop, addr, bufsize);
|
|
while (1) {
|
|
for (i = 0; i < 256; i++) {
|
|
value = i | i << 8 | i << 16 | i << 24;
|
|
printf("pattern = %08x", value);
|
|
res = test_loop_size(&value, 1, (u32 *)addr, bufsize);
|
|
if (res != TEST_PASSED)
|
|
return res;
|
|
}
|
|
if (test_loop_end(&loop, nb_loop, 1))
|
|
break;
|
|
}
|
|
sprintf(string, "no error for %d loops at 0x%08x length 0x%x",
|
|
loop, addr, bufsize);
|
|
|
|
return res;
|
|
}
|
|
|
|
static enum test_result test_walkbit0(struct stm32mp1_ddrctl *ctl,
|
|
struct stm32mp1_ddrphy *phy,
|
|
char *string, int argc, char *argv[])
|
|
{
|
|
enum test_result res = TEST_PASSED;
|
|
u32 bufsize, nb_loop, loop = 0, addr, value;
|
|
int i;
|
|
|
|
if (get_bufsize(string, argc, argv, 0, &bufsize, 4 * 1024))
|
|
return TEST_ERROR;
|
|
if (get_nb_loop(string, argc, argv, 1, &nb_loop, 1))
|
|
return TEST_ERROR;
|
|
if (get_addr(string, argc, argv, 2, &addr))
|
|
return TEST_ERROR;
|
|
|
|
printf("running %d loops at 0x%08x length 0x%x\n",
|
|
nb_loop, addr, bufsize);
|
|
while (1) {
|
|
for (i = 0; i < 64; i++) {
|
|
if (i < 32)
|
|
value = 1 << i;
|
|
else
|
|
value = 1 << (63 - i);
|
|
|
|
printf("pattern = %08x", value);
|
|
res = test_loop_size(&value, 1, (u32 *)addr, bufsize);
|
|
if (res != TEST_PASSED)
|
|
return res;
|
|
}
|
|
if (test_loop_end(&loop, nb_loop, 1))
|
|
break;
|
|
}
|
|
sprintf(string, "no error for %d loops at 0x%08x length 0x%x",
|
|
loop, addr, bufsize);
|
|
|
|
return res;
|
|
}
|
|
|
|
static enum test_result test_walkbit1(struct stm32mp1_ddrctl *ctl,
|
|
struct stm32mp1_ddrphy *phy,
|
|
char *string, int argc, char *argv[])
|
|
{
|
|
enum test_result res = TEST_PASSED;
|
|
u32 bufsize, nb_loop, loop = 0, addr, value;
|
|
int i;
|
|
|
|
if (get_bufsize(string, argc, argv, 0, &bufsize, 4 * 1024))
|
|
return TEST_ERROR;
|
|
if (get_nb_loop(string, argc, argv, 1, &nb_loop, 1))
|
|
return TEST_ERROR;
|
|
if (get_addr(string, argc, argv, 2, &addr))
|
|
return TEST_ERROR;
|
|
|
|
printf("running %d loops at 0x%08x length 0x%x\n",
|
|
nb_loop, addr, bufsize);
|
|
while (1) {
|
|
for (i = 0; i < 64; i++) {
|
|
if (i < 32)
|
|
value = ~(1 << i);
|
|
else
|
|
value = ~(1 << (63 - i));
|
|
|
|
printf("pattern = %08x", value);
|
|
res = test_loop_size(&value, 1, (u32 *)addr, bufsize);
|
|
if (res != TEST_PASSED)
|
|
return res;
|
|
}
|
|
if (test_loop_end(&loop, nb_loop, 1))
|
|
break;
|
|
}
|
|
sprintf(string, "no error for %d loops at 0x%08x length 0x%x",
|
|
loop, addr, bufsize);
|
|
|
|
return res;
|
|
}
|
|
|
|
/*
|
|
* try to catch bad bits which are dependent on the current values of
|
|
* surrounding bits in either the same word32
|
|
*/
|
|
static enum test_result test_bitspread(struct stm32mp1_ddrctl *ctl,
|
|
struct stm32mp1_ddrphy *phy,
|
|
char *string, int argc, char *argv[])
|
|
{
|
|
enum test_result res = TEST_PASSED;
|
|
u32 bufsize, nb_loop, loop = 0, addr, bitspread[4];
|
|
int i, j;
|
|
|
|
if (get_bufsize(string, argc, argv, 0, &bufsize, 4 * 1024))
|
|
return TEST_ERROR;
|
|
if (get_nb_loop(string, argc, argv, 1, &nb_loop, 1))
|
|
return TEST_ERROR;
|
|
if (get_addr(string, argc, argv, 2, &addr))
|
|
return TEST_ERROR;
|
|
|
|
printf("running %d loops at 0x%08x length 0x%x\n",
|
|
nb_loop, addr, bufsize);
|
|
while (1) {
|
|
for (i = 1; i < 32; i++) {
|
|
for (j = 0; j < i; j++) {
|
|
if (i < 32)
|
|
bitspread[0] = (1 << i) | (1 << j);
|
|
else
|
|
bitspread[0] = (1 << (63 - i)) |
|
|
(1 << (63 - j));
|
|
bitspread[1] = bitspread[0];
|
|
bitspread[2] = ~bitspread[0];
|
|
bitspread[3] = ~bitspread[0];
|
|
printf("pattern = %08x", bitspread[0]);
|
|
|
|
res = test_loop_size(bitspread, 4, (u32 *)addr,
|
|
bufsize);
|
|
if (res != TEST_PASSED)
|
|
return res;
|
|
}
|
|
}
|
|
if (test_loop_end(&loop, nb_loop, 1))
|
|
break;
|
|
}
|
|
sprintf(string, "no error for %d loops at 0x%08x length 0x%x",
|
|
loop, addr, bufsize);
|
|
|
|
return res;
|
|
}
|
|
|
|
static enum test_result test_bitflip(struct stm32mp1_ddrctl *ctl,
|
|
struct stm32mp1_ddrphy *phy,
|
|
char *string, int argc, char *argv[])
|
|
{
|
|
enum test_result res = TEST_PASSED;
|
|
u32 bufsize, nb_loop, loop = 0, addr;
|
|
int i;
|
|
|
|
u32 bitflip[4];
|
|
|
|
if (get_bufsize(string, argc, argv, 0, &bufsize, 4 * 1024))
|
|
return TEST_ERROR;
|
|
if (get_nb_loop(string, argc, argv, 1, &nb_loop, 1))
|
|
return TEST_ERROR;
|
|
if (get_addr(string, argc, argv, 2, &addr))
|
|
return TEST_ERROR;
|
|
|
|
printf("running %d loops at 0x%08x length 0x%x\n",
|
|
nb_loop, addr, bufsize);
|
|
while (1) {
|
|
for (i = 0; i < 32; i++) {
|
|
bitflip[0] = 1 << i;
|
|
bitflip[1] = bitflip[0];
|
|
bitflip[2] = ~bitflip[0];
|
|
bitflip[3] = bitflip[2];
|
|
printf("pattern = %08x", bitflip[0]);
|
|
|
|
res = test_loop_size(bitflip, 4, (u32 *)addr, bufsize);
|
|
if (res != TEST_PASSED)
|
|
return res;
|
|
}
|
|
if (test_loop_end(&loop, nb_loop, 1))
|
|
break;
|
|
}
|
|
sprintf(string, "no error for %d loops at 0x%08x length 0x%x",
|
|
loop, addr, bufsize);
|
|
|
|
return res;
|
|
}
|
|
|
|
/**********************************************************************
|
|
*
|
|
* Function: infinite read access to DDR
|
|
*
|
|
* Description: continuous read the same pattern at the same address
|
|
*
|
|
**********************************************************************/
|
|
static enum test_result test_read(struct stm32mp1_ddrctl *ctl,
|
|
struct stm32mp1_ddrphy *phy,
|
|
char *string, int argc, char *argv[])
|
|
{
|
|
u32 *addr;
|
|
u32 data;
|
|
u32 loop = 0;
|
|
bool random = false;
|
|
|
|
if (get_addr(string, argc, argv, 0, (u32 *)&addr))
|
|
return TEST_ERROR;
|
|
|
|
if ((u32)addr == ADDR_INVALID) {
|
|
printf("random ");
|
|
random = true;
|
|
}
|
|
|
|
printf("running at 0x%08x\n", (u32)addr);
|
|
|
|
while (1) {
|
|
if (random)
|
|
addr = (u32 *)(STM32_DDR_BASE +
|
|
(rand() & (STM32_DDR_SIZE - 1) & ~0x3));
|
|
data = readl(addr);
|
|
if (test_loop_end(&loop, 0, 1000))
|
|
break;
|
|
}
|
|
sprintf(string, "0x%x: %x", (u32)addr, data);
|
|
|
|
return TEST_PASSED;
|
|
}
|
|
|
|
/**********************************************************************
|
|
*
|
|
* Function: infinite write access to DDR
|
|
*
|
|
* Description: continuous write the same pattern at the same address
|
|
*
|
|
**********************************************************************/
|
|
static enum test_result test_write(struct stm32mp1_ddrctl *ctl,
|
|
struct stm32mp1_ddrphy *phy,
|
|
char *string, int argc, char *argv[])
|
|
{
|
|
u32 *addr;
|
|
u32 data = 0xA5A5AA55;
|
|
u32 loop = 0;
|
|
bool random = false;
|
|
|
|
if (get_addr(string, argc, argv, 0, (u32 *)&addr))
|
|
return TEST_ERROR;
|
|
|
|
if ((u32)addr == ADDR_INVALID) {
|
|
printf("random ");
|
|
random = true;
|
|
}
|
|
|
|
printf("running at 0x%08x\n", (u32)addr);
|
|
|
|
while (1) {
|
|
if (random) {
|
|
addr = (u32 *)(STM32_DDR_BASE +
|
|
(rand() & (STM32_DDR_SIZE - 1) & ~0x3));
|
|
data = rand();
|
|
}
|
|
writel(data, addr);
|
|
if (test_loop_end(&loop, 0, 1000))
|
|
break;
|
|
}
|
|
sprintf(string, "0x%x: %x", (u32)addr, data);
|
|
|
|
return TEST_PASSED;
|
|
}
|
|
|
|
#define NB_TEST_INFINITE 2
|
|
static enum test_result test_all(struct stm32mp1_ddrctl *ctl,
|
|
struct stm32mp1_ddrphy *phy,
|
|
char *string, int argc, char *argv[])
|
|
{
|
|
enum test_result res = TEST_PASSED, result;
|
|
int i, nb_error = 0;
|
|
u32 loop = 0, nb_loop;
|
|
|
|
if (get_nb_loop(string, argc, argv, 0, &nb_loop, 1))
|
|
return TEST_ERROR;
|
|
|
|
while (!nb_error) {
|
|
/* execute all the test except the lasts which are infinite */
|
|
for (i = 1; i < test_nb - NB_TEST_INFINITE; i++) {
|
|
printf("execute %d:%s\n", (int)i, test[i].name);
|
|
result = test[i].fct(ctl, phy, string, 0, NULL);
|
|
printf("result %d:%s = ", (int)i, test[i].name);
|
|
if (result != TEST_PASSED) {
|
|
nb_error++;
|
|
res = TEST_FAILED;
|
|
puts("Failed");
|
|
} else {
|
|
puts("Passed");
|
|
}
|
|
puts("\n\n");
|
|
}
|
|
printf("loop %d: %d/%d test failed\n\n\n",
|
|
loop + 1, nb_error, test_nb - NB_TEST_INFINITE);
|
|
if (test_loop_end(&loop, nb_loop, 1))
|
|
break;
|
|
}
|
|
if (res != TEST_PASSED) {
|
|
sprintf(string, "loop %d: %d/%d test failed", loop, nb_error,
|
|
test_nb - NB_TEST_INFINITE);
|
|
} else {
|
|
sprintf(string, "loop %d: %d tests passed", loop,
|
|
test_nb - NB_TEST_INFINITE);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
/****************************************************************
|
|
* TEST Description
|
|
****************************************************************/
|
|
|
|
const struct test_desc test[] = {
|
|
{test_all, "All", "[loop]", "Execute all tests", 1 },
|
|
{test_databus, "Simple DataBus", "[addr]",
|
|
"Verifies each data line by walking 1 on fixed address",
|
|
1
|
|
},
|
|
{databuswalk0, "DataBusWalking0", "[loop] [addr]",
|
|
"Verifies each data bus signal can be driven low (32 word burst)",
|
|
2
|
|
},
|
|
{databuswalk1, "DataBusWalking1", "[loop] [addr]",
|
|
"Verifies each data bus signal can be driven high (32 word burst)",
|
|
2
|
|
},
|
|
{test_addressbus, "AddressBus", "[size] [addr]",
|
|
"Verifies each relevant bits of the address and checking for aliasing",
|
|
2
|
|
},
|
|
{test_memdevice, "MemDevice", "[size] [addr]",
|
|
"Test the integrity of a physical memory (test every storage bit in the region)",
|
|
2
|
|
},
|
|
{test_sso, "SimultaneousSwitchingOutput", "[size] [addr] ",
|
|
"Stress the data bus over an address range",
|
|
2
|
|
},
|
|
{test_noise, "Noise", "[pattern] [addr]",
|
|
"Verifies r/w while forcing switching of all data bus lines.",
|
|
3
|
|
},
|
|
{test_noise_burst, "NoiseBurst", "[size] [pattern] [addr]",
|
|
"burst transfers while forcing switching of the data bus lines",
|
|
3
|
|
},
|
|
{test_random, "Random", "[size] [loop] [addr]",
|
|
"Verifies r/w and memcopy(burst for pseudo random value.",
|
|
3
|
|
},
|
|
{test_freq_pattern, "FrequencySelectivePattern ", "[size]",
|
|
"write & test patterns: Mostly Zero, Mostly One and F/n",
|
|
1
|
|
},
|
|
{test_blockseq, "BlockSequential", "[size] [loop] [addr]",
|
|
"test incremental pattern",
|
|
3
|
|
},
|
|
{test_checkboard, "Checkerboard", "[size] [loop] [addr]",
|
|
"test checker pattern",
|
|
3
|
|
},
|
|
{test_bitspread, "BitSpread", "[size] [loop] [addr]",
|
|
"test Bit Spread pattern",
|
|
3
|
|
},
|
|
{test_bitflip, "BitFlip", "[size] [loop] [addr]",
|
|
"test Bit Flip pattern",
|
|
3
|
|
},
|
|
{test_walkbit0, "WalkingOnes", "[size] [loop] [addr]",
|
|
"test Walking Ones pattern",
|
|
3
|
|
},
|
|
{test_walkbit1, "WalkingZeroes", "[size] [loop] [addr]",
|
|
"test Walking Zeroes pattern",
|
|
3
|
|
},
|
|
/* need to the the 2 last one (infinite) : skipped for test all */
|
|
{test_read, "infinite read", "[addr]",
|
|
"basic test : infinite read access", 1},
|
|
{test_write, "infinite write", "[addr]",
|
|
"basic test : infinite write access", 1},
|
|
};
|
|
|
|
const int test_nb = ARRAY_SIZE(test);
|