Chao Liu <[email protected]> writes: > From: Chao Liu <[email protected]> > > Testing the Basic Functions of K230 WDT: > 1. Reset Function > 2. Timeout Check > 3. Interrupt Function > > Signed-off-by: Mig Yang <[email protected]> > Reviewed-by: Daniel Henrique Barboza <[email protected]> > --- > MAINTAINERS | 1 + > tests/qtest/k230-wdt-test.c | 199 ++++++++++++++++++++++++++++++++++++ > tests/qtest/meson.build | 3 +- > 3 files changed, 202 insertions(+), 1 deletion(-) > create mode 100644 tests/qtest/k230-wdt-test.c > > diff --git a/MAINTAINERS b/MAINTAINERS > index 64a5f3b986..84c980d252 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -1765,6 +1765,7 @@ F: hw/riscv/k230.c > F: hw/watchdog/k230_wdt.c > F: include/hw/riscv/k230.h > F: include/hw/watchdog/k230_wdt.h > +F: tests/qtest/k230-wdt-test.c > > RX Machines > ----------- > diff --git a/tests/qtest/k230-wdt-test.c b/tests/qtest/k230-wdt-test.c > new file mode 100644 > index 0000000000..2550cebd10 > --- /dev/null > +++ b/tests/qtest/k230-wdt-test.c > @@ -0,0 +1,199 @@ > +/* > + * QTest testcase for K230 Watchdog > + * > + * Copyright (c) 2025 Mig Yang <[email protected]> > + * SPDX-License-Identifier: GPL-2.0-or-later > + * > + * Provides a board compatible with the kendryte K230 SDK > + * > + * Documentation: K230_Technical_Reference_Manual_V0.3.1_20241118.pdf > + * > + * For more information, see <https://www.kendryte.com/en/proDetail/230> > + * > + * This program is free software; you can redistribute it and/or modify it > + * under the terms and conditions of the GNU General Public License, > + * version 2 or later, as published by the Free Software Foundation. > + * > + * This program is distributed in the hope it will be useful, but WITHOUT > + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or > + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for > + * more details. > + * > + * You should have received a copy of the GNU General Public License along > with > + * this program. If not, see <http://www.gnu.org/licenses/>. > + */ > + > +#include "qemu/osdep.h" > +#include "qemu/timer.h" > +#include "qemu/bitops.h" > +#include "libqtest.h" > +#include "hw/watchdog/k230_wdt.h" > + > +/* K230 WDT0 base address */ > +#define K230_WDT0_BASE 0x91106000 > +#define K230_WDT1_BASE 0x91106800 > + > +/* Test WDT0 by default */ > +#define WDT_BASE K230_WDT0_BASE > + > +static void test_register_read_write(void) > +{ > + QTestState *qts = qtest_init("-machine k230"); > + > + /* Test Control Register (CR) read/write */ > + qtest_writel(qts, WDT_BASE + K230_WDT_CR, 0xFFFFFFFF); > + g_assert_cmphex(qtest_readl(qts, WDT_BASE + K230_WDT_CR), ==, > + (K230_WDT_CR_RPL_MASK << K230_WDT_CR_RPL_SHIFT) | > + K230_WDT_CR_RMOD | K230_WDT_CR_WDT_EN); > + > + /* Test Timeout Range Register (TORR) read/write */ > + qtest_writel(qts, WDT_BASE + K230_WDT_TORR, 0xFFFFFFFF); > + g_assert_cmphex(qtest_readl(qts, WDT_BASE + K230_WDT_TORR), ==, > + K230_WDT_TORR_TOP_MASK); > + > + /* Test Protection Level Register read/write */ > + qtest_writel(qts, WDT_BASE + K230_WDT_PROT_LEVEL, 0xFFFFFFFF); > + g_assert_cmphex(qtest_readl(qts, WDT_BASE + K230_WDT_PROT_LEVEL), ==, > 0x7); > + > + qtest_quit(qts); > +} > + > +static void test_counter_restart(void) > +{ > + QTestState *qts = qtest_init("-machine k230"); > + > + /* Enable watchdog and set timeout */ > + qtest_writel(qts, WDT_BASE + K230_WDT_CR, K230_WDT_CR_WDT_EN); > + qtest_writel(qts, WDT_BASE + K230_WDT_TORR, 0x5); /* TOP = 5 */ > + > + /* Read current counter value */ > + uint32_t initial_count = qtest_readl(qts, WDT_BASE + K230_WDT_CCVR); > + g_assert_cmpuint(initial_count, >, 0); > + > + /* Restart counter with magic value */ > + qtest_writel(qts, WDT_BASE + K230_WDT_CRR, K230_WDT_CRR_RESTART); > + > + /* Wait for time */ > + qtest_clock_step(qts, NANOSECONDS_PER_SECOND * 2); > + > + /* Counter should be reset to timeout value */ > + uint32_t new_count = qtest_readl(qts, WDT_BASE + K230_WDT_CCVR); > + g_assert_cmpuint(new_count, >, 0); > + g_assert_cmpuint(new_count, !=, initial_count); > + > + qtest_quit(qts); > +} > + > +static void test_interrupt_mode(void) > +{ > + QTestState *qts = qtest_init("-machine k230 --trace > k230_*,file=k230.log"); > + > + /* Set interrupt mode and enable watchdog */ > + qtest_writel(qts, WDT_BASE + K230_WDT_CR, > + K230_WDT_CR_RMOD | K230_WDT_CR_WDT_EN); > + qtest_writel(qts, WDT_BASE + K230_WDT_TORR, 0x1); /* Short timeout */ > + > + /* Wait for timeout to trigger interrupt */ > + qtest_clock_step(qts, NANOSECONDS_PER_SECOND * 10); > + > + /* Check interrupt status */ > + uint32_t stat = qtest_readl(qts, WDT_BASE + K230_WDT_STAT); > + g_assert_cmphex(stat & K230_WDT_STAT_INT, ==, K230_WDT_STAT_INT); > + > + /* Clear interrupt */ > + qtest_writel(qts, WDT_BASE + K230_WDT_EOI, 0x1); > + stat = qtest_readl(qts, WDT_BASE + K230_WDT_STAT); > + g_assert_cmphex(stat & K230_WDT_STAT_INT, ==, 0); > + > + qtest_quit(qts); > +} > + > +static void test_reset_mode(void) > +{ > + QTestState *qts = qtest_init("-machine k230 -no-reboot"); > + > + /* Set reset mode and enable watchdog */ > + qtest_writel(qts, WDT_BASE + K230_WDT_CR, K230_WDT_CR_WDT_EN); > + qtest_writel(qts, WDT_BASE + K230_WDT_TORR, 0x1); /* Short timeout */ > + > + /* Wait for timeout to trigger reset */ > + qtest_clock_step(qts, NANOSECONDS_PER_SECOND * 2); > + > + /* In reset mode, the system should reset */ > + /* This test verifies that reset mode is properly configured */ > + > + qtest_quit(qts); > +} > + > +static void test_timeout_calculation(void) > +{ > + QTestState *qts = qtest_init("-machine k230"); > + > + /* Test different timeout values */ > + for (uint32_t top = 0; top <= 15; top++) { > + qtest_writel(qts, WDT_BASE + K230_WDT_TORR, top); > + qtest_writel(qts, WDT_BASE + K230_WDT_CR, K230_WDT_CR_WDT_EN); > + > + /* Read current counter value */ > + uint32_t count = qtest_readl(qts, WDT_BASE + K230_WDT_CCVR); > + g_assert_cmpuint(count, >, 0); > + > + /* Disable watchdog for next iteration */ > + qtest_writel(qts, WDT_BASE + K230_WDT_CR, 0); > + } > + > + qtest_quit(qts); > +} > + > +static void test_wdt1_registers(void) > +{ > + QTestState *qts = qtest_init("-machine k230"); > + > + /* Test WDT1 registers (second watchdog) */ > + qtest_writel(qts, K230_WDT1_BASE + K230_WDT_CR, 0xFFFFFFFF); > + g_assert_cmphex(qtest_readl(qts, K230_WDT1_BASE + K230_WDT_CR), ==, > + (K230_WDT_CR_RPL_MASK << K230_WDT_CR_RPL_SHIFT) | > + K230_WDT_CR_RMOD | K230_WDT_CR_WDT_EN); > + > + qtest_writel(qts, K230_WDT1_BASE + K230_WDT_TORR, 0xFFFFFFFF); > + g_assert_cmphex(qtest_readl(qts, K230_WDT1_BASE + K230_WDT_TORR), ==, > + K230_WDT_TORR_TOP_MASK); > + > + qtest_quit(qts); > +} > + > +static void test_enable_disable(void) > +{ > + QTestState *qts = qtest_init("-machine k230"); > + > + /* Initially disabled */ > + uint32_t cr = qtest_readl(qts, WDT_BASE + K230_WDT_CR); > + g_assert_cmphex(cr & K230_WDT_CR_WDT_EN, ==, 0); > + > + /* Enable watchdog */ > + qtest_writel(qts, WDT_BASE + K230_WDT_CR, K230_WDT_CR_WDT_EN); > + cr = qtest_readl(qts, WDT_BASE + K230_WDT_CR); > + g_assert_cmphex(cr & K230_WDT_CR_WDT_EN, ==, K230_WDT_CR_WDT_EN); > + > + /* Disable watchdog */ > + qtest_writel(qts, WDT_BASE + K230_WDT_CR, 0); > + cr = qtest_readl(qts, WDT_BASE + K230_WDT_CR); > + g_assert_cmphex(cr & K230_WDT_CR_WDT_EN, ==, 0); > + > + qtest_quit(qts); > +} > + > +int main(int argc, char *argv[]) > +{ > + g_test_init(&argc, &argv, NULL); > + > + qtest_add_func("/k230-wdt/register_read_write", > test_register_read_write); > + qtest_add_func("/k230-wdt/counter_restart", test_counter_restart); > + qtest_add_func("/k230-wdt/interrupt_mode", test_interrupt_mode); > + qtest_add_func("/k230-wdt/reset_mode", test_reset_mode); > + qtest_add_func("/k230-wdt/timeout_calculation", > test_timeout_calculation); > + qtest_add_func("/k230-wdt/wdt1_registers", test_wdt1_registers); > + qtest_add_func("/k230-wdt/enable_disable", test_enable_disable); > + > + return g_test_run(); > +} > diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build > index 0f053fb56d..54c3ba5dea 100644 > --- a/tests/qtest/meson.build > +++ b/tests/qtest/meson.build > @@ -283,7 +283,8 @@ qtests_riscv32 = \ > (config_all_devices.has_key('CONFIG_SIFIVE_E_AON') ? > ['sifive-e-aon-watchdog-test'] : []) > > qtests_riscv64 = ['riscv-csr-test'] + \ > - (unpack_edk2_blobs ? ['bios-tables-test'] : []) > + (unpack_edk2_blobs ? ['bios-tables-test'] : []) + \ > + (config_all_devices.has_key('CONFIG_K230') ? ['k230-wdt-test'] : []) > > qos_test_ss = ss.source_set() > qos_test_ss.add(
Acked-by: Fabiano Rosas <[email protected]>
