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/* Copyright 2020 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Test CBI
*/
#include "common.h"
#include "console.h"
#include "cros_board_info.h"
#include "gpio.h"
#include "i2c.h"
#include "test_util.h"
#include "util.h"
void before_test(void)
{
cbi_create();
cbi_write();
}
static int test_uint8(void)
{
uint8_t d8;
uint32_t d32;
uint8_t size;
const int tag = 0xff;
/* Set & get uint8_t */
d8 = 0xa5;
TEST_ASSERT(cbi_set_board_info(tag, &d8, sizeof(d8)) == EC_SUCCESS);
size = 1;
TEST_ASSERT(cbi_get_board_info(tag, &d8, &size) == EC_SUCCESS);
TEST_EQ(d8, 0xa5, "0x%x");
TEST_EQ(size, 1, "%x");
/* Size-up */
d32 = 0x1234abcd;
TEST_ASSERT(cbi_set_board_info(tag, (void *)&d32, sizeof(d32))
== EC_SUCCESS);
size = 4;
TEST_ASSERT(cbi_get_board_info(tag, (void *)&d32, &size) == EC_SUCCESS);
TEST_EQ(d32, 0x1234abcd, "0x%x");
TEST_EQ(size, 4, "%u");
return EC_SUCCESS;
}
static int test_uint32(void)
{
uint8_t d8;
uint32_t d32;
uint8_t size;
const int tag = 0xff;
/* Set & get uint32_t */
d32 = 0x1234abcd;
TEST_ASSERT(cbi_set_board_info(tag, (void *)&d32, sizeof(d32))
== EC_SUCCESS);
size = 4;
TEST_ASSERT(cbi_get_board_info(tag, (void *)&d32, &size) == EC_SUCCESS);
TEST_EQ(d32, 0x1234abcd, "0x%x");
TEST_EQ(size, 4, "%u");
/* Size-down */
d8 = 0xa5;
TEST_ASSERT(cbi_set_board_info(tag, &d8, sizeof(d8)) == EC_SUCCESS);
size = 1;
TEST_ASSERT(cbi_get_board_info(tag, &d8, &size) == EC_SUCCESS);
TEST_EQ(d8, 0xa5, "0x%x");
TEST_EQ(size, 1, "%u");
return EC_SUCCESS;
}
static int test_string(void)
{
const uint8_t string[] = "abcdefghijklmn";
uint8_t buf[32];
uint8_t size;
const int tag = 0xff;
/* Set & get string */
TEST_ASSERT(cbi_set_board_info(tag, string, sizeof(string))
== EC_SUCCESS);
size = sizeof(buf);
TEST_ASSERT(cbi_get_board_info(tag, buf, &size) == EC_SUCCESS);
TEST_ASSERT(strncmp(buf, string, sizeof(string)) == 0);
/* Size contains null byte */
TEST_EQ((size_t)size - 1, strlen(buf), "%zu");
/* Read buffer too small */
size = 4;
TEST_ASSERT(cbi_get_board_info(tag, buf, &size) == EC_ERROR_INVAL);
return EC_SUCCESS;
}
static int test_not_found(void)
{
uint8_t d8;
const int tag = 0xff;
uint8_t size;
size = 1;
TEST_ASSERT(cbi_get_board_info(tag, &d8, &size) == EC_ERROR_UNKNOWN);
return EC_SUCCESS;
}
static int test_too_large(void)
{
uint8_t buf[CBI_EEPROM_SIZE-1];
const int tag = 0xff;
/* Data too large */
memset(buf, 0xa5, sizeof(buf));
TEST_ASSERT(cbi_set_board_info(tag, buf, sizeof(buf))
== EC_ERROR_OVERFLOW);
return EC_SUCCESS;
}
static int test_all_tags(void)
{
uint8_t d8;
uint32_t d32;
/* Populate all data and read out */
d8 = 0x12;
TEST_ASSERT(cbi_set_board_info(CBI_TAG_BOARD_VERSION, &d8, sizeof(d8))
== EC_SUCCESS);
TEST_ASSERT(cbi_set_board_info(CBI_TAG_OEM_ID, &d8, sizeof(d8))
== EC_SUCCESS);
TEST_ASSERT(cbi_set_board_info(CBI_TAG_SKU_ID, &d8, sizeof(d8))
== EC_SUCCESS);
TEST_ASSERT(cbi_set_board_info(CBI_TAG_MODEL_ID, &d8, sizeof(d8))
== EC_SUCCESS);
TEST_ASSERT(cbi_set_board_info(CBI_TAG_FW_CONFIG, &d8, sizeof(d8))
== EC_SUCCESS);
TEST_ASSERT(cbi_set_board_info(CBI_TAG_PCB_SUPPLIER, &d8, sizeof(d8))
== EC_SUCCESS);
TEST_ASSERT(cbi_set_board_info(CBI_TAG_SSFC, &d8, sizeof(d8))
== EC_SUCCESS);
TEST_ASSERT(cbi_get_board_version(&d32) == EC_SUCCESS);
TEST_EQ(d32, d8, "0x%x");
TEST_ASSERT(cbi_get_oem_id(&d32) == EC_SUCCESS);
TEST_EQ(d32, d8, "0x%x");
TEST_ASSERT(cbi_get_sku_id(&d32) == EC_SUCCESS);
TEST_EQ(d32, d8, "0x%x");
TEST_ASSERT(cbi_get_model_id(&d32) == EC_SUCCESS);
TEST_EQ(d32, d8, "0x%x");
TEST_ASSERT(cbi_get_fw_config(&d32) == EC_SUCCESS);
TEST_EQ(d32, d8, "0x%x");
TEST_ASSERT(cbi_get_pcb_supplier(&d32) == EC_SUCCESS);
TEST_EQ(d32, d8, "0x%x");
TEST_ASSERT(cbi_get_ssfc(&d32) == EC_SUCCESS);
TEST_EQ(d32, d8, "0x%x");
/* Write protect */
gpio_set_level(GPIO_WP, 1);
TEST_ASSERT(cbi_write() == EC_ERROR_ACCESS_DENIED);
return EC_SUCCESS;
}
static int test_bad_crc(void)
{
uint8_t d8;
const int tag = 0xff;
uint8_t size;
int crc;
/* Bad CRC */
d8 = 0xa5;
TEST_ASSERT(cbi_set_board_info(tag, &d8, sizeof(d8)) == EC_SUCCESS);
i2c_read8(I2C_PORT_EEPROM, I2C_ADDR_EEPROM_FLAGS,
offsetof(struct cbi_header, crc), &crc);
i2c_write8(I2C_PORT_EEPROM, I2C_ADDR_EEPROM_FLAGS,
offsetof(struct cbi_header, crc), ++crc);
cbi_invalidate_cache();
size = sizeof(d8);
TEST_ASSERT(cbi_get_board_info(tag, &d8, &size) == EC_ERROR_UNKNOWN);
return EC_SUCCESS;
}
void run_test(int argc, char **argv)
{
RUN_TEST(test_uint8);
RUN_TEST(test_uint32);
RUN_TEST(test_string);
RUN_TEST(test_not_found);
RUN_TEST(test_too_large);
RUN_TEST(test_all_tags);
RUN_TEST(test_bad_crc);
test_print_result();
}
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