From: Abdellatif El Khlifi abdellatif.elkhlifi@arm.com
provide a test for NVM XIP devices
The test case allows to make sure of the following:
- The NVM XIP QSPI devices are probed - The DT entries are read correctly - the data read from the flash by the NVMXIP block driver is correct
Signed-off-by: Abdellatif El Khlifi abdellatif.elkhlifi@arm.com --- MAINTAINERS | 1 + test/dm/Makefile | 5 ++ test/dm/nvmxip.c | 117 +++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 123 insertions(+) create mode 100644 test/dm/nvmxip.c
diff --git a/MAINTAINERS b/MAINTAINERS index 539d01f68c..e92898e462 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1199,6 +1199,7 @@ S: Maintained F: doc/develop/driver-model/nvmxip.rst F: doc/device-tree-bindings/nvmxip/nvmxip.txt F: drivers/nvmxip/ +F: test/dm/nvmxip.c
NVMEM M: Sean Anderson seanga2@gmail.com diff --git a/test/dm/Makefile b/test/dm/Makefile index 7a79b6e1a2..7f9d0b3c38 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0+ # # Copyright (c) 2013 Google, Inc +# Copyright 2023 Arm Limited and/or its affiliates open-source-office@arm.com
obj-$(CONFIG_UT_DM) += test-dm.o
@@ -17,6 +18,10 @@ obj-$(CONFIG_UT_DM) += test-uclass.o obj-$(CONFIG_UT_DM) += core.o obj-$(CONFIG_UT_DM) += read.o obj-$(CONFIG_UT_DM) += phys2bus.o +ifeq ($(CONFIG_NVMXIP_QSPI)$(CONFIG_SANDBOX64),yy) +obj-y += nvmxip.o +endif + ifneq ($(CONFIG_SANDBOX),) ifeq ($(CONFIG_ACPIGEN),y) obj-y += acpi.o diff --git a/test/dm/nvmxip.c b/test/dm/nvmxip.c new file mode 100644 index 0000000000..b65154d125 --- /dev/null +++ b/test/dm/nvmxip.c @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Functional tests for UCLASS_FFA class + * + * Copyright 2023 Arm Limited and/or its affiliates open-source-office@arm.com + * + * Authors: + * Abdellatif El Khlifi abdellatif.elkhlifi@arm.com + */ + +#include <common.h> +#include <console.h> +#include <blk.h> +#include <dm.h> +#include <dm/test.h> +#include "../../drivers/nvmxip/nvmxip.h" +#include <test/test.h> +#include <test/ut.h> + +/* NVMXIP devices described in the device tree */ +#define SANDBOX_NVMXIP_DEVICES 2 + +/* reference device tree data for the probed devices */ +static struct nvmxip_plat nvmqspi_refdata[SANDBOX_NVMXIP_DEVICES] = { + {0x08000000, 9, 4096}, {0x08200000, 9, 2048} +}; + +#define NVMXIP_BLK_START_PATTERN 0x1122334455667788ULL +#define NVMXIP_BLK_END_PATTERN 0xa1a2a3a4a5a6a7a8ULL + +static int dm_nvmxip_flash_sanity(u8 device_idx, void *buffer) +{ + int i; + u64 *ptr = NULL; + u8 *base = NULL; + unsigned long blksz; + + blksz = 1 << nvmqspi_refdata[device_idx].lba_shift; + + /* if buffer not NULL, init the flash with the pattern data*/ + if (!buffer) + base = map_sysmem(nvmqspi_refdata[device_idx].phys_base, 0); + else + base = buffer; + + for (i = 0; i < nvmqspi_refdata[device_idx].lba ; i++) { + ptr = (u64 *)(base + i * blksz); + + /* write an 8 bytes pattern at the start of the current block*/ + if (!buffer) + *ptr = NVMXIP_BLK_START_PATTERN; + else if (*ptr != NVMXIP_BLK_START_PATTERN) + return -EINVAL; + + ptr = (u64 *)((u8 *)ptr + blksz - sizeof(u64)); + + /* write an 8 bytes pattern at the end of the current block*/ + if (!buffer) + *ptr = NVMXIP_BLK_END_PATTERN; + else if (*ptr != NVMXIP_BLK_END_PATTERN) + return -EINVAL; + } + + if (!buffer) + unmap_sysmem(base); + + return 0; +} + +static int dm_test_nvmxip(struct unit_test_state *uts) +{ + struct nvmxip_plat *plat_data = NULL; + struct udevice *dev = NULL, *bdev = NULL; + u8 device_idx; + void *buffer = NULL; + unsigned long flashsz; + + /* set the flash content first for both devices */ + dm_nvmxip_flash_sanity(0, NULL); + dm_nvmxip_flash_sanity(1, NULL); + + /* probing all NVM XIP QSPI devices */ + for (device_idx = 0, uclass_first_device(UCLASS_NVMXIP, &dev); + dev; + uclass_next_device(&dev), device_idx++) { + plat_data = dev_get_plat(dev); + + /* device tree entries checks */ + ut_assertok(nvmqspi_refdata[device_idx].phys_base != plat_data->phys_base); + ut_assertok(nvmqspi_refdata[device_idx].lba_shift != plat_data->lba_shift); + ut_assertok(nvmqspi_refdata[device_idx].lba != plat_data->lba); + + /* before reading all the flash blocks, let's calculate the flash size */ + flashsz = plat_data->lba << plat_data->lba_shift; + + /* allocate the user buffer where to copy the blocks data to */ + buffer = calloc(flashsz, 1); + ut_assertok(!buffer); + + /* the block device is the child of the parent device probed with DT*/ + ut_assertok(device_find_first_child(dev, &bdev)); + + /* reading all the flash blocks*/ + ut_asserteq(plat_data->lba, blk_read(bdev, 0, plat_data->lba, buffer)); + + /* compare the data read from flash with the expected data */ + ut_assertok(dm_nvmxip_flash_sanity(device_idx, buffer)); + + free(buffer); + } + + ut_assertok(device_idx != SANDBOX_NVMXIP_DEVICES); + + return CMD_RET_SUCCESS; +} + +DM_TEST(dm_test_nvmxip, UT_TESTF_SCAN_FDT | UT_TESTF_CONSOLE_REC);