| /* |
| * QTest testcase for the M25P80 Flash (Using the Aspeed SPI |
| * Controller) |
| * |
| * Copyright (C) 2016 IBM Corp. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qemu/bswap.h" |
| #include "libqtest-single.h" |
| #include "qemu/bitops.h" |
| |
| /* |
| * ASPEED SPI Controller registers |
| */ |
| #define R_CONF 0x00 |
| #define CONF_ENABLE_W0 16 |
| #define R_CE_CTRL 0x04 |
| #define CRTL_EXTENDED0 0 /* 32 bit addressing for SPI */ |
| #define R_CTRL0 0x10 |
| #define CTRL_CE_STOP_ACTIVE BIT(2) |
| #define CTRL_READMODE 0x0 |
| #define CTRL_FREADMODE 0x1 |
| #define CTRL_WRITEMODE 0x2 |
| #define CTRL_USERMODE 0x3 |
| #define SR_WEL BIT(1) |
| |
| /* |
| * Flash commands |
| */ |
| enum { |
| JEDEC_READ = 0x9f, |
| RDSR = 0x5, |
| WRDI = 0x4, |
| BULK_ERASE = 0xc7, |
| READ = 0x03, |
| PP = 0x02, |
| WRSR = 0x1, |
| WREN = 0x6, |
| SRWD = 0x80, |
| RESET_ENABLE = 0x66, |
| RESET_MEMORY = 0x99, |
| EN_4BYTE_ADDR = 0xB7, |
| ERASE_SECTOR = 0xd8, |
| }; |
| |
| #define FLASH_PAGE_SIZE 256 |
| |
| typedef struct TestData { |
| QTestState *s; |
| uint64_t spi_base; |
| uint64_t flash_base; |
| uint32_t jedec_id; |
| char *tmp_path; |
| uint8_t cs; |
| const char *node; |
| } TestData; |
| |
| /* |
| * Use an explicit bswap for the values read/wrote to the flash region |
| * as they are BE and the Aspeed CPU is LE. |
| */ |
| static inline uint32_t make_be32(uint32_t data) |
| { |
| return bswap32(data); |
| } |
| |
| static inline void spi_writel(const TestData *data, uint64_t offset, |
| uint32_t value) |
| { |
| qtest_writel(data->s, data->spi_base + offset, value); |
| } |
| |
| static inline uint32_t spi_readl(const TestData *data, uint64_t offset) |
| { |
| return qtest_readl(data->s, data->spi_base + offset); |
| } |
| |
| static inline void flash_writeb(const TestData *data, uint64_t offset, |
| uint8_t value) |
| { |
| qtest_writeb(data->s, data->flash_base + offset, value); |
| } |
| |
| static inline void flash_writel(const TestData *data, uint64_t offset, |
| uint32_t value) |
| { |
| qtest_writel(data->s, data->flash_base + offset, value); |
| } |
| |
| static inline uint8_t flash_readb(const TestData *data, uint64_t offset) |
| { |
| return qtest_readb(data->s, data->flash_base + offset); |
| } |
| |
| static inline uint32_t flash_readl(const TestData *data, uint64_t offset) |
| { |
| return qtest_readl(data->s, data->flash_base + offset); |
| } |
| |
| static void spi_conf(const TestData *data, uint32_t value) |
| { |
| uint32_t conf = spi_readl(data, R_CONF); |
| |
| conf |= value; |
| spi_writel(data, R_CONF, conf); |
| } |
| |
| static void spi_conf_remove(const TestData *data, uint32_t value) |
| { |
| uint32_t conf = spi_readl(data, R_CONF); |
| |
| conf &= ~value; |
| spi_writel(data, R_CONF, conf); |
| } |
| |
| static void spi_ce_ctrl(const TestData *data, uint32_t value) |
| { |
| uint32_t conf = spi_readl(data, R_CE_CTRL); |
| |
| conf |= value; |
| spi_writel(data, R_CE_CTRL, conf); |
| } |
| |
| static void spi_ctrl_setmode(const TestData *data, uint8_t mode, uint8_t cmd) |
| { |
| uint32_t ctrl_reg = R_CTRL0 + data->cs * 4; |
| uint32_t ctrl = spi_readl(data, ctrl_reg); |
| ctrl &= ~(CTRL_USERMODE | 0xff << 16); |
| ctrl |= mode | (cmd << 16); |
| spi_writel(data, ctrl_reg, ctrl); |
| } |
| |
| static void spi_ctrl_start_user(const TestData *data) |
| { |
| uint32_t ctrl_reg = R_CTRL0 + data->cs * 4; |
| uint32_t ctrl = spi_readl(data, ctrl_reg); |
| |
| ctrl |= CTRL_USERMODE | CTRL_CE_STOP_ACTIVE; |
| spi_writel(data, ctrl_reg, ctrl); |
| |
| ctrl &= ~CTRL_CE_STOP_ACTIVE; |
| spi_writel(data, ctrl_reg, ctrl); |
| } |
| |
| static void spi_ctrl_stop_user(const TestData *data) |
| { |
| uint32_t ctrl_reg = R_CTRL0 + data->cs * 4; |
| uint32_t ctrl = spi_readl(data, ctrl_reg); |
| |
| ctrl |= CTRL_USERMODE | CTRL_CE_STOP_ACTIVE; |
| spi_writel(data, ctrl_reg, ctrl); |
| } |
| |
| static void flash_reset(const TestData *data) |
| { |
| spi_conf(data, 1 << (CONF_ENABLE_W0 + data->cs)); |
| |
| spi_ctrl_start_user(data); |
| flash_writeb(data, 0, RESET_ENABLE); |
| flash_writeb(data, 0, RESET_MEMORY); |
| flash_writeb(data, 0, WREN); |
| flash_writeb(data, 0, BULK_ERASE); |
| flash_writeb(data, 0, WRDI); |
| spi_ctrl_stop_user(data); |
| |
| spi_conf_remove(data, 1 << (CONF_ENABLE_W0 + data->cs)); |
| } |
| |
| static void test_read_jedec(const void *data) |
| { |
| const TestData *test_data = (const TestData *)data; |
| uint32_t jedec = 0x0; |
| |
| spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs)); |
| |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0, JEDEC_READ); |
| jedec |= flash_readb(test_data, 0) << 16; |
| jedec |= flash_readb(test_data, 0) << 8; |
| jedec |= flash_readb(test_data, 0); |
| spi_ctrl_stop_user(test_data); |
| |
| flash_reset(test_data); |
| |
| g_assert_cmphex(jedec, ==, test_data->jedec_id); |
| } |
| |
| static void read_page(const TestData *data, uint32_t addr, uint32_t *page) |
| { |
| int i; |
| |
| spi_ctrl_start_user(data); |
| |
| flash_writeb(data, 0, EN_4BYTE_ADDR); |
| flash_writeb(data, 0, READ); |
| flash_writel(data, 0, make_be32(addr)); |
| |
| /* Continuous read are supported */ |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| page[i] = make_be32(flash_readl(data, 0)); |
| } |
| spi_ctrl_stop_user(data); |
| } |
| |
| static void read_page_mem(const TestData *data, uint32_t addr, uint32_t *page) |
| { |
| int i; |
| |
| /* move out USER mode to use direct reads from the AHB bus */ |
| spi_ctrl_setmode(data, CTRL_READMODE, READ); |
| |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| page[i] = make_be32(flash_readl(data, addr + i * 4)); |
| } |
| } |
| |
| static void write_page_mem(const TestData *data, uint32_t addr, |
| uint32_t write_value) |
| { |
| spi_ctrl_setmode(data, CTRL_WRITEMODE, PP); |
| |
| for (int i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| flash_writel(data, addr + i * 4, write_value); |
| } |
| } |
| |
| static void assert_page_mem(const TestData *data, uint32_t addr, |
| uint32_t expected_value) |
| { |
| uint32_t page[FLASH_PAGE_SIZE / 4]; |
| read_page_mem(data, addr, page); |
| for (int i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| g_assert_cmphex(page[i], ==, expected_value); |
| } |
| } |
| |
| static void test_erase_sector(const void *data) |
| { |
| const TestData *test_data = (const TestData *)data; |
| uint32_t some_page_addr = 0x600 * FLASH_PAGE_SIZE; |
| uint32_t page[FLASH_PAGE_SIZE / 4]; |
| int i; |
| |
| spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs)); |
| |
| /* |
| * Previous page should be full of 0xffs after backend is |
| * initialized |
| */ |
| read_page(test_data, some_page_addr - FLASH_PAGE_SIZE, page); |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| g_assert_cmphex(page[i], ==, 0xffffffff); |
| } |
| |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0, EN_4BYTE_ADDR); |
| flash_writeb(test_data, 0, WREN); |
| flash_writeb(test_data, 0, PP); |
| flash_writel(test_data, 0, make_be32(some_page_addr)); |
| |
| /* Fill the page with its own addresses */ |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| flash_writel(test_data, 0, make_be32(some_page_addr + i * 4)); |
| } |
| spi_ctrl_stop_user(test_data); |
| |
| /* Check the page is correctly written */ |
| read_page(test_data, some_page_addr, page); |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| g_assert_cmphex(page[i], ==, some_page_addr + i * 4); |
| } |
| |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0, WREN); |
| flash_writeb(test_data, 0, EN_4BYTE_ADDR); |
| flash_writeb(test_data, 0, ERASE_SECTOR); |
| flash_writel(test_data, 0, make_be32(some_page_addr)); |
| spi_ctrl_stop_user(test_data); |
| |
| /* Check the page is erased */ |
| read_page(test_data, some_page_addr, page); |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| g_assert_cmphex(page[i], ==, 0xffffffff); |
| } |
| |
| flash_reset(test_data); |
| } |
| |
| static void test_erase_all(const void *data) |
| { |
| const TestData *test_data = (const TestData *)data; |
| uint32_t some_page_addr = 0x15000 * FLASH_PAGE_SIZE; |
| uint32_t page[FLASH_PAGE_SIZE / 4]; |
| int i; |
| |
| spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs)); |
| |
| /* |
| * Previous page should be full of 0xffs after backend is |
| * initialized |
| */ |
| read_page(test_data, some_page_addr - FLASH_PAGE_SIZE, page); |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| g_assert_cmphex(page[i], ==, 0xffffffff); |
| } |
| |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0, EN_4BYTE_ADDR); |
| flash_writeb(test_data, 0, WREN); |
| flash_writeb(test_data, 0, PP); |
| flash_writel(test_data, 0, make_be32(some_page_addr)); |
| |
| /* Fill the page with its own addresses */ |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| flash_writel(test_data, 0, make_be32(some_page_addr + i * 4)); |
| } |
| spi_ctrl_stop_user(test_data); |
| |
| /* Check the page is correctly written */ |
| read_page(test_data, some_page_addr, page); |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| g_assert_cmphex(page[i], ==, some_page_addr + i * 4); |
| } |
| |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0, WREN); |
| flash_writeb(test_data, 0, BULK_ERASE); |
| spi_ctrl_stop_user(test_data); |
| |
| /* Check the page is erased */ |
| read_page(test_data, some_page_addr, page); |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| g_assert_cmphex(page[i], ==, 0xffffffff); |
| } |
| |
| flash_reset(test_data); |
| } |
| |
| static void test_write_page(const void *data) |
| { |
| const TestData *test_data = (const TestData *)data; |
| uint32_t my_page_addr = 0x14000 * FLASH_PAGE_SIZE; /* beyond 16MB */ |
| uint32_t some_page_addr = 0x15000 * FLASH_PAGE_SIZE; |
| uint32_t page[FLASH_PAGE_SIZE / 4]; |
| int i; |
| |
| spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs)); |
| |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0, EN_4BYTE_ADDR); |
| flash_writeb(test_data, 0, WREN); |
| flash_writeb(test_data, 0, PP); |
| flash_writel(test_data, 0, make_be32(my_page_addr)); |
| |
| /* Fill the page with its own addresses */ |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| flash_writel(test_data, 0, make_be32(my_page_addr + i * 4)); |
| } |
| spi_ctrl_stop_user(test_data); |
| |
| /* Check what was written */ |
| read_page(test_data, my_page_addr, page); |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| g_assert_cmphex(page[i], ==, my_page_addr + i * 4); |
| } |
| |
| /* Check some other page. It should be full of 0xff */ |
| read_page(test_data, some_page_addr, page); |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| g_assert_cmphex(page[i], ==, 0xffffffff); |
| } |
| |
| flash_reset(test_data); |
| } |
| |
| static void test_read_page_mem(const void *data) |
| { |
| const TestData *test_data = (const TestData *)data; |
| uint32_t my_page_addr = 0x14000 * FLASH_PAGE_SIZE; /* beyond 16MB */ |
| uint32_t some_page_addr = 0x15000 * FLASH_PAGE_SIZE; |
| uint32_t page[FLASH_PAGE_SIZE / 4]; |
| int i; |
| |
| /* |
| * Enable 4BYTE mode for controller. |
| */ |
| spi_ce_ctrl(test_data, 1 << (CRTL_EXTENDED0 + test_data->cs)); |
| |
| /* Enable 4BYTE mode for flash. */ |
| spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs)); |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0, EN_4BYTE_ADDR); |
| flash_writeb(test_data, 0, WREN); |
| flash_writeb(test_data, 0, PP); |
| flash_writel(test_data, 0, make_be32(my_page_addr)); |
| |
| /* Fill the page with its own addresses */ |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| flash_writel(test_data, 0, make_be32(my_page_addr + i * 4)); |
| } |
| spi_ctrl_stop_user(test_data); |
| spi_conf_remove(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs)); |
| |
| /* Check what was written */ |
| read_page_mem(test_data, my_page_addr, page); |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| g_assert_cmphex(page[i], ==, my_page_addr + i * 4); |
| } |
| |
| /* Check some other page. It should be full of 0xff */ |
| read_page_mem(test_data, some_page_addr, page); |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| g_assert_cmphex(page[i], ==, 0xffffffff); |
| } |
| |
| flash_reset(test_data); |
| } |
| |
| static void test_write_page_mem(const void *data) |
| { |
| const TestData *test_data = (const TestData *)data; |
| uint32_t my_page_addr = 0x15000 * FLASH_PAGE_SIZE; |
| uint32_t page[FLASH_PAGE_SIZE / 4]; |
| int i; |
| |
| /* |
| * Enable 4BYTE mode for controller. |
| */ |
| spi_ce_ctrl(test_data, 1 << (CRTL_EXTENDED0 + test_data->cs)); |
| |
| /* Enable 4BYTE mode for flash. */ |
| spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs)); |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0, EN_4BYTE_ADDR); |
| flash_writeb(test_data, 0, WREN); |
| spi_ctrl_stop_user(test_data); |
| |
| /* move out USER mode to use direct writes to the AHB bus */ |
| spi_ctrl_setmode(test_data, CTRL_WRITEMODE, PP); |
| |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| flash_writel(test_data, my_page_addr + i * 4, |
| make_be32(my_page_addr + i * 4)); |
| } |
| |
| /* Check what was written */ |
| read_page_mem(test_data, my_page_addr, page); |
| for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { |
| g_assert_cmphex(page[i], ==, my_page_addr + i * 4); |
| } |
| |
| flash_reset(test_data); |
| } |
| |
| static void test_read_status_reg(const void *data) |
| { |
| const TestData *test_data = (const TestData *)data; |
| uint8_t r; |
| |
| spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs)); |
| |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0, RDSR); |
| r = flash_readb(test_data, 0); |
| spi_ctrl_stop_user(test_data); |
| |
| g_assert_cmphex(r & SR_WEL, ==, 0); |
| g_assert(!qtest_qom_get_bool |
| (test_data->s, test_data->node, "write-enable")); |
| |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0, WREN); |
| flash_writeb(test_data, 0, RDSR); |
| r = flash_readb(test_data, 0); |
| spi_ctrl_stop_user(test_data); |
| |
| g_assert_cmphex(r & SR_WEL, ==, SR_WEL); |
| g_assert(qtest_qom_get_bool |
| (test_data->s, test_data->node, "write-enable")); |
| |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0, WRDI); |
| flash_writeb(test_data, 0, RDSR); |
| r = flash_readb(test_data, 0); |
| spi_ctrl_stop_user(test_data); |
| |
| g_assert_cmphex(r & SR_WEL, ==, 0); |
| g_assert(!qtest_qom_get_bool |
| (test_data->s, test_data->node, "write-enable")); |
| |
| flash_reset(test_data); |
| } |
| |
| static void test_status_reg_write_protection(const void *data) |
| { |
| const TestData *test_data = (const TestData *)data; |
| uint8_t r; |
| |
| spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs)); |
| |
| /* default case: WP# is high and SRWD is low -> status register writable */ |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0, WREN); |
| /* test ability to write SRWD */ |
| flash_writeb(test_data, 0, WRSR); |
| flash_writeb(test_data, 0, SRWD); |
| flash_writeb(test_data, 0, RDSR); |
| r = flash_readb(test_data, 0); |
| spi_ctrl_stop_user(test_data); |
| g_assert_cmphex(r & SRWD, ==, SRWD); |
| |
| /* WP# high and SRWD high -> status register writable */ |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0, WREN); |
| /* test ability to write SRWD */ |
| flash_writeb(test_data, 0, WRSR); |
| flash_writeb(test_data, 0, 0); |
| flash_writeb(test_data, 0, RDSR); |
| r = flash_readb(test_data, 0); |
| spi_ctrl_stop_user(test_data); |
| g_assert_cmphex(r & SRWD, ==, 0); |
| |
| /* WP# low and SRWD low -> status register writable */ |
| qtest_set_irq_in(test_data->s, test_data->node, "WP#", 0, 0); |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0, WREN); |
| /* test ability to write SRWD */ |
| flash_writeb(test_data, 0, WRSR); |
| flash_writeb(test_data, 0, SRWD); |
| flash_writeb(test_data, 0, RDSR); |
| r = flash_readb(test_data, 0); |
| spi_ctrl_stop_user(test_data); |
| g_assert_cmphex(r & SRWD, ==, SRWD); |
| |
| /* WP# low and SRWD high -> status register NOT writable */ |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0 , WREN); |
| /* test ability to write SRWD */ |
| flash_writeb(test_data, 0, WRSR); |
| flash_writeb(test_data, 0, 0); |
| flash_writeb(test_data, 0, RDSR); |
| r = flash_readb(test_data, 0); |
| spi_ctrl_stop_user(test_data); |
| /* write is not successful */ |
| g_assert_cmphex(r & SRWD, ==, SRWD); |
| |
| qtest_set_irq_in(test_data->s, test_data->node, "WP#", 0, 1); |
| flash_reset(test_data); |
| } |
| |
| static void test_write_block_protect(const void *data) |
| { |
| const TestData *test_data = (const TestData *)data; |
| uint32_t sector_size = 65536; |
| uint32_t n_sectors = 512; |
| |
| spi_ce_ctrl(test_data, 1 << (CRTL_EXTENDED0 + test_data->cs)); |
| spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs)); |
| |
| uint32_t bp_bits = 0b0; |
| |
| for (int i = 0; i < 16; i++) { |
| bp_bits = ((i & 0b1000) << 3) | ((i & 0b0111) << 2); |
| |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0, WREN); |
| flash_writeb(test_data, 0, BULK_ERASE); |
| flash_writeb(test_data, 0, WREN); |
| flash_writeb(test_data, 0, WRSR); |
| flash_writeb(test_data, 0, bp_bits); |
| flash_writeb(test_data, 0, EN_4BYTE_ADDR); |
| flash_writeb(test_data, 0, WREN); |
| spi_ctrl_stop_user(test_data); |
| |
| uint32_t num_protected_sectors = i ? MIN(1 << (i - 1), n_sectors) : 0; |
| uint32_t protection_start = n_sectors - num_protected_sectors; |
| uint32_t protection_end = n_sectors; |
| |
| for (int sector = 0; sector < n_sectors; sector++) { |
| uint32_t addr = sector * sector_size; |
| |
| assert_page_mem(test_data, addr, 0xffffffff); |
| write_page_mem(test_data, addr, make_be32(0xabcdef12)); |
| |
| uint32_t expected_value = protection_start <= sector |
| && sector < protection_end |
| ? 0xffffffff : 0xabcdef12; |
| |
| assert_page_mem(test_data, addr, expected_value); |
| } |
| } |
| |
| flash_reset(test_data); |
| } |
| |
| static void test_write_block_protect_bottom_bit(const void *data) |
| { |
| const TestData *test_data = (const TestData *)data; |
| uint32_t sector_size = 65536; |
| uint32_t n_sectors = 512; |
| |
| spi_ce_ctrl(test_data, 1 << (CRTL_EXTENDED0 + test_data->cs)); |
| spi_conf(test_data, 1 << (CONF_ENABLE_W0 + test_data->cs)); |
| |
| /* top bottom bit is enabled */ |
| uint32_t bp_bits = 0b00100 << 3; |
| |
| for (int i = 0; i < 16; i++) { |
| bp_bits = (((i & 0b1000) | 0b0100) << 3) | ((i & 0b0111) << 2); |
| |
| spi_ctrl_start_user(test_data); |
| flash_writeb(test_data, 0, WREN); |
| flash_writeb(test_data, 0, BULK_ERASE); |
| flash_writeb(test_data, 0, WREN); |
| flash_writeb(test_data, 0, WRSR); |
| flash_writeb(test_data, 0, bp_bits); |
| flash_writeb(test_data, 0, EN_4BYTE_ADDR); |
| flash_writeb(test_data, 0, WREN); |
| spi_ctrl_stop_user(test_data); |
| |
| uint32_t num_protected_sectors = i ? MIN(1 << (i - 1), n_sectors) : 0; |
| uint32_t protection_start = 0; |
| uint32_t protection_end = num_protected_sectors; |
| |
| for (int sector = 0; sector < n_sectors; sector++) { |
| uint32_t addr = sector * sector_size; |
| |
| assert_page_mem(test_data, addr, 0xffffffff); |
| write_page_mem(test_data, addr, make_be32(0xabcdef12)); |
| |
| uint32_t expected_value = protection_start <= sector |
| && sector < protection_end |
| ? 0xffffffff : 0xabcdef12; |
| |
| assert_page_mem(test_data, addr, expected_value); |
| } |
| } |
| |
| flash_reset(test_data); |
| } |
| |
| static void test_palmetto_bmc(TestData *data) |
| { |
| int ret; |
| int fd; |
| |
| fd = g_file_open_tmp("qtest.m25p80.n25q256a.XXXXXX", &data->tmp_path, NULL); |
| g_assert(fd >= 0); |
| ret = ftruncate(fd, 32 * 1024 * 1024); |
| g_assert(ret == 0); |
| close(fd); |
| |
| data->s = qtest_initf("-m 256 -machine palmetto-bmc " |
| "-drive file=%s,format=raw,if=mtd", |
| data->tmp_path); |
| |
| /* fmc cs0 with n25q256a flash */ |
| data->flash_base = 0x20000000; |
| data->spi_base = 0x1E620000; |
| data->jedec_id = 0x20ba19; |
| data->cs = 0; |
| data->node = "/machine/soc/fmc/ssi.0/child[0]"; |
| |
| qtest_add_data_func("/ast2400/smc/read_jedec", data, test_read_jedec); |
| qtest_add_data_func("/ast2400/smc/erase_sector", data, test_erase_sector); |
| qtest_add_data_func("/ast2400/smc/erase_all", data, test_erase_all); |
| qtest_add_data_func("/ast2400/smc/write_page", data, test_write_page); |
| qtest_add_data_func("/ast2400/smc/read_page_mem", |
| data, test_read_page_mem); |
| qtest_add_data_func("/ast2400/smc/write_page_mem", |
| data, test_write_page_mem); |
| qtest_add_data_func("/ast2400/smc/read_status_reg", |
| data, test_read_status_reg); |
| qtest_add_data_func("/ast2400/smc/status_reg_write_protection", |
| data, test_status_reg_write_protection); |
| qtest_add_data_func("/ast2400/smc/write_block_protect", |
| data, test_write_block_protect); |
| qtest_add_data_func("/ast2400/smc/write_block_protect_bottom_bit", |
| data, test_write_block_protect_bottom_bit); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| TestData palmetto_data; |
| int ret; |
| |
| g_test_init(&argc, &argv, NULL); |
| |
| test_palmetto_bmc(&palmetto_data); |
| ret = g_test_run(); |
| |
| qtest_quit(palmetto_data.s); |
| unlink(palmetto_data.tmp_path); |
| return ret; |
| } |