| Message ID | 20230608164542.3675619-4-tommy.wu@sifive.com |
|---|---|
| State | New |
| Headers | show |
| Series | Implement the watchdog timer of HiFive 1 rev b. | expand |
On Fri, Jun 9, 2023 at 2:46 AM Tommy Wu <tommy.wu@sifive.com> wrote: > > Add some simple tests of the watchdog timer in the always-on domain device > of HiFive 1 rev b. > > Signed-off-by: Tommy Wu <tommy.wu@sifive.com> > Reviewed-by: Frank Chang <frank.chang@sifive.com> > Acked-by: Thomas Huth <thuth@redhat.com> Acked-by: Alistair Francis <alistair.francis@wdc.com> Alistair > --- > tests/qtest/meson.build | 3 + > tests/qtest/sifive-e-aon-watchdog-test.c | 450 +++++++++++++++++++++++ > 2 files changed, 453 insertions(+) > create mode 100644 tests/qtest/sifive-e-aon-watchdog-test.c > > diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build > index 5fa6833ad7..eb8d153a65 100644 > --- a/tests/qtest/meson.build > +++ b/tests/qtest/meson.build > @@ -234,6 +234,9 @@ qtests_s390x = \ > 'cpu-plug-test', > 'migration-test'] > > +qtests_riscv32 = \ > + (config_all_devices.has_key('CONFIG_SIFIVE_E_AON') ? ['sifive-e-aon-watchdog-test'] : []) > + > qos_test_ss = ss.source_set() > qos_test_ss.add( > 'ac97-test.c', > diff --git a/tests/qtest/sifive-e-aon-watchdog-test.c b/tests/qtest/sifive-e-aon-watchdog-test.c > new file mode 100644 > index 0000000000..1f313d16ad > --- /dev/null > +++ b/tests/qtest/sifive-e-aon-watchdog-test.c > @@ -0,0 +1,450 @@ > +/* > + * QTest testcase for the watchdog timer of HiFive 1 rev b. > + * > + * Copyright (c) 2023 SiFive, Inc. > + * > + * 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/registerfields.h" > +#include "hw/misc/sifive_e_aon.h" > + > +FIELD(AON_WDT_WDOGCFG, SCALE, 0, 4) > +FIELD(AON_WDT_WDOGCFG, RSVD0, 4, 4) > +FIELD(AON_WDT_WDOGCFG, RSTEN, 8, 1) > +FIELD(AON_WDT_WDOGCFG, ZEROCMP, 9, 1) > +FIELD(AON_WDT_WDOGCFG, RSVD1, 10, 2) > +FIELD(AON_WDT_WDOGCFG, EN_ALWAYS, 12, 1) > +FIELD(AON_WDT_WDOGCFG, EN_CORE_AWAKE, 13, 1) > +FIELD(AON_WDT_WDOGCFG, RSVD2, 14, 14) > +FIELD(AON_WDT_WDOGCFG, IP0, 28, 1) > +FIELD(AON_WDT_WDOGCFG, RSVD3, 29, 3) > + > +#define WDOG_BASE (0x10000000) > +#define WDOGCFG (0x0) > +#define WDOGCOUNT (0x8) > +#define WDOGS (0x10) > +#define WDOGFEED (0x18) > +#define WDOGKEY (0x1c) > +#define WDOGCMP0 (0x20) > + > +#define SIFIVE_E_AON_WDOGKEY (0x51F15E) > +#define SIFIVE_E_AON_WDOGFEED (0xD09F00D) > +#define SIFIVE_E_LFCLK_DEFAULT_FREQ (32768) > + > +static void test_init(QTestState *qts) > +{ > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCFG, 0); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCMP0, 0xBEEF); > +} > + > +static void test_wdogcount(void) > +{ > + uint64_t tmp; > + QTestState *qts = qtest_init("-machine sifive_e"); > + > + test_init(qts); > + > + tmp = qtest_readl(qts, WDOG_BASE + WDOGCOUNT); > + qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0xBEEF); > + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) == tmp); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0xBEEF); > + g_assert(0xBEEF == qtest_readl(qts, WDOG_BASE + WDOGCOUNT)); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0xAAAAAAAA); > + g_assert(0x2AAAAAAA == qtest_readl(qts, WDOG_BASE + WDOGCOUNT)); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGFEED, 0xAAAAAAAA); > + g_assert(0x2AAAAAAA == qtest_readl(qts, WDOG_BASE + WDOGCOUNT)); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGFEED, SIFIVE_E_AON_WDOGFEED); > + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGCOUNT)); > + > + qtest_quit(qts); > +} > + > +static void test_wdogcfg(void) > +{ > + uint32_t tmp_cfg; > + QTestState *qts = qtest_init("-machine sifive_e"); > + > + test_init(qts); > + > + tmp_cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + qtest_writel(qts, WDOG_BASE + WDOGCFG, 0xFFFFFFFF); > + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCFG) == tmp_cfg); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCFG, 0xFFFFFFFF); > + g_assert(0xFFFFFFFF == qtest_readl(qts, WDOG_BASE + WDOGCFG)); > + > + tmp_cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + g_assert(15 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, SCALE)); > + g_assert(1 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, RSTEN)); > + g_assert(1 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, ZEROCMP)); > + g_assert(1 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); > + g_assert(1 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); > + g_assert(1 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, IP0)); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCFG, 0); > + tmp_cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, SCALE)); > + g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, RSTEN)); > + g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, ZEROCMP)); > + g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); > + g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); > + g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, IP0)); > + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGCFG)); > + > + qtest_quit(qts); > +} > + > +static void test_wdogcmp0(void) > +{ > + uint32_t tmp; > + QTestState *qts = qtest_init("-machine sifive_e"); > + > + test_init(qts); > + > + tmp = qtest_readl(qts, WDOG_BASE + WDOGCMP0); > + qtest_writel(qts, WDOG_BASE + WDOGCMP0, 0xBEEF); > + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCMP0) == tmp); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCMP0, 0xBEEF); > + g_assert(0xBEEF == qtest_readl(qts, WDOG_BASE + WDOGCMP0)); > + > + qtest_quit(qts); > +} > + > +static void test_wdogkey(void) > +{ > + QTestState *qts = qtest_init("-machine sifive_e"); > + > + test_init(qts); > + > + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGKEY)); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, 0xFFFF); > + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGKEY)); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + g_assert(1 == qtest_readl(qts, WDOG_BASE + WDOGKEY)); > + > + qtest_writel(qts, WDOG_BASE + WDOGFEED, 0xAAAAAAAA); > + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGKEY)); > + > + qtest_quit(qts); > +} > + > +static void test_wdogfeed(void) > +{ > + QTestState *qts = qtest_init("-machine sifive_e"); > + > + test_init(qts); > + > + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGFEED)); > + > + qtest_writel(qts, WDOG_BASE + WDOGFEED, 0xFFFF); > + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGFEED)); > + > + qtest_quit(qts); > +} > + > +static void test_scaled_wdogs(void) > +{ > + uint32_t cfg; > + uint32_t fake_count = 0x12345678; > + QTestState *qts = qtest_init("-machine sifive_e"); > + > + test_init(qts); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCOUNT, fake_count); > + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) == fake_count); > + g_assert((uint16_t)qtest_readl(qts, WDOG_BASE + WDOGS) == > + (uint16_t)fake_count); > + > + for (int i = 0; i < 16; i++) { > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, SCALE, i); > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); > + g_assert((uint16_t)qtest_readl(qts, WDOG_BASE + WDOGS) == > + (uint16_t)(fake_count >> > + FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE))); > + } > + > + qtest_quit(qts); > +} > + > +static void test_watchdog(void) > +{ > + uint32_t cfg; > + QTestState *qts = qtest_init("-machine sifive_e"); > + > + test_init(qts); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCMP0, SIFIVE_E_LFCLK_DEFAULT_FREQ); > + > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, SCALE, 0); > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS, 1); > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); > + > + qtest_clock_step(qts, NANOSECONDS_PER_SECOND); > + > + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) == > + SIFIVE_E_LFCLK_DEFAULT_FREQ); > + g_assert(qtest_readl(qts, WDOG_BASE + WDOGS) == > + SIFIVE_E_LFCLK_DEFAULT_FREQ); > + > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP)); > + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); > + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0); > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, IP0, 0); > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); > + > + qtest_quit(qts); > +} > + > +static void test_scaled_watchdog(void) > +{ > + uint32_t cfg; > + QTestState *qts = qtest_init("-machine sifive_e"); > + > + test_init(qts); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCMP0, 10); > + > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, SCALE, 15); > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS, 1); > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); > + > + qtest_clock_step(qts, NANOSECONDS_PER_SECOND * 10); > + > + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) == > + SIFIVE_E_LFCLK_DEFAULT_FREQ * 10); > + > + g_assert(10 == qtest_readl(qts, WDOG_BASE + WDOGS)); > + > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + g_assert(15 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP)); > + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); > + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0); > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, IP0, 0); > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); > + > + qtest_quit(qts); > +} > + > +static void test_periodic_int(void) > +{ > + uint32_t cfg; > + QTestState *qts = qtest_init("-machine sifive_e"); > + > + test_init(qts); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCMP0, SIFIVE_E_LFCLK_DEFAULT_FREQ); > + > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, SCALE, 0); > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, ZEROCMP, 1); > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS, 1); > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); > + > + qtest_clock_step(qts, NANOSECONDS_PER_SECOND); > + > + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGCOUNT)); > + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGS)); > + > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN)); > + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP)); > + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); > + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); > + > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, IP0, 0); > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); > + > + qtest_clock_step(qts, NANOSECONDS_PER_SECOND); > + > + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGCOUNT)); > + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGS)); > + > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN)); > + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP)); > + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); > + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); > + > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, IP0, 0); > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); > + > + qtest_quit(qts); > +} > + > +static void test_enable_disable(void) > +{ > + uint32_t cfg; > + QTestState *qts = qtest_init("-machine sifive_e"); > + > + test_init(qts); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCMP0, 10); > + > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, SCALE, 15); > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS, 1); > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); > + > + qtest_clock_step(qts, NANOSECONDS_PER_SECOND * 2); > + > + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) == > + SIFIVE_E_LFCLK_DEFAULT_FREQ * 2); > + g_assert(2 == qtest_readl(qts, WDOG_BASE + WDOGS)); > + > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + g_assert(15 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP)); > + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS, 0); > + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); > + > + qtest_clock_step(qts, NANOSECONDS_PER_SECOND * 8); > + > + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) == > + SIFIVE_E_LFCLK_DEFAULT_FREQ * 2); > + g_assert(2 == qtest_readl(qts, WDOG_BASE + WDOGS)); > + > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + g_assert(15 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); > + > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS, 1); > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); > + > + qtest_clock_step(qts, NANOSECONDS_PER_SECOND * 8); > + > + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) == > + SIFIVE_E_LFCLK_DEFAULT_FREQ * 10); > + g_assert(10 == qtest_readl(qts, WDOG_BASE + WDOGS)); > + > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + g_assert(15 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP)); > + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); > + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); > + > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0); > + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, IP0, 0); > + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); > + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); > + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); > + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); > + > + qtest_quit(qts); > +} > + > +int main(int argc, char *argv[]) > +{ > + g_test_init(&argc, &argv, NULL); > + qtest_add_func("/sifive-e-aon-watchdog-test/wdogcount", > + test_wdogcount); > + qtest_add_func("/sifive-e-aon-watchdog-test/wdogcfg", > + test_wdogcfg); > + qtest_add_func("/sifive-e-aon-watchdog-test/wdogcmp0", > + test_wdogcmp0); > + qtest_add_func("/sifive-e-aon-watchdog-test/wdogkey", > + test_wdogkey); > + qtest_add_func("/sifive-e-aon-watchdog-test/wdogfeed", > + test_wdogfeed); > + qtest_add_func("/sifive-e-aon-watchdog-test/scaled_wdogs", > + test_scaled_wdogs); > + qtest_add_func("/sifive-e-aon-watchdog-test/watchdog", > + test_watchdog); > + qtest_add_func("/sifive-e-aon-watchdog-test/scaled_watchdog", > + test_scaled_watchdog); > + qtest_add_func("/sifive-e-aon-watchdog-test/periodic_int", > + test_periodic_int); > + qtest_add_func("/sifive-e-aon-watchdog-test/enable_disable", > + test_enable_disable); > + return g_test_run(); > +} > -- > 2.27.0 > >
diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index 5fa6833ad7..eb8d153a65 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -234,6 +234,9 @@ qtests_s390x = \ 'cpu-plug-test', 'migration-test'] +qtests_riscv32 = \ + (config_all_devices.has_key('CONFIG_SIFIVE_E_AON') ? ['sifive-e-aon-watchdog-test'] : []) + qos_test_ss = ss.source_set() qos_test_ss.add( 'ac97-test.c', diff --git a/tests/qtest/sifive-e-aon-watchdog-test.c b/tests/qtest/sifive-e-aon-watchdog-test.c new file mode 100644 index 0000000000..1f313d16ad --- /dev/null +++ b/tests/qtest/sifive-e-aon-watchdog-test.c @@ -0,0 +1,450 @@ +/* + * QTest testcase for the watchdog timer of HiFive 1 rev b. + * + * Copyright (c) 2023 SiFive, Inc. + * + * 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/registerfields.h" +#include "hw/misc/sifive_e_aon.h" + +FIELD(AON_WDT_WDOGCFG, SCALE, 0, 4) +FIELD(AON_WDT_WDOGCFG, RSVD0, 4, 4) +FIELD(AON_WDT_WDOGCFG, RSTEN, 8, 1) +FIELD(AON_WDT_WDOGCFG, ZEROCMP, 9, 1) +FIELD(AON_WDT_WDOGCFG, RSVD1, 10, 2) +FIELD(AON_WDT_WDOGCFG, EN_ALWAYS, 12, 1) +FIELD(AON_WDT_WDOGCFG, EN_CORE_AWAKE, 13, 1) +FIELD(AON_WDT_WDOGCFG, RSVD2, 14, 14) +FIELD(AON_WDT_WDOGCFG, IP0, 28, 1) +FIELD(AON_WDT_WDOGCFG, RSVD3, 29, 3) + +#define WDOG_BASE (0x10000000) +#define WDOGCFG (0x0) +#define WDOGCOUNT (0x8) +#define WDOGS (0x10) +#define WDOGFEED (0x18) +#define WDOGKEY (0x1c) +#define WDOGCMP0 (0x20) + +#define SIFIVE_E_AON_WDOGKEY (0x51F15E) +#define SIFIVE_E_AON_WDOGFEED (0xD09F00D) +#define SIFIVE_E_LFCLK_DEFAULT_FREQ (32768) + +static void test_init(QTestState *qts) +{ + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCFG, 0); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCMP0, 0xBEEF); +} + +static void test_wdogcount(void) +{ + uint64_t tmp; + QTestState *qts = qtest_init("-machine sifive_e"); + + test_init(qts); + + tmp = qtest_readl(qts, WDOG_BASE + WDOGCOUNT); + qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0xBEEF); + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) == tmp); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0xBEEF); + g_assert(0xBEEF == qtest_readl(qts, WDOG_BASE + WDOGCOUNT)); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0xAAAAAAAA); + g_assert(0x2AAAAAAA == qtest_readl(qts, WDOG_BASE + WDOGCOUNT)); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGFEED, 0xAAAAAAAA); + g_assert(0x2AAAAAAA == qtest_readl(qts, WDOG_BASE + WDOGCOUNT)); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGFEED, SIFIVE_E_AON_WDOGFEED); + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGCOUNT)); + + qtest_quit(qts); +} + +static void test_wdogcfg(void) +{ + uint32_t tmp_cfg; + QTestState *qts = qtest_init("-machine sifive_e"); + + test_init(qts); + + tmp_cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + qtest_writel(qts, WDOG_BASE + WDOGCFG, 0xFFFFFFFF); + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCFG) == tmp_cfg); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCFG, 0xFFFFFFFF); + g_assert(0xFFFFFFFF == qtest_readl(qts, WDOG_BASE + WDOGCFG)); + + tmp_cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + g_assert(15 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, SCALE)); + g_assert(1 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, RSTEN)); + g_assert(1 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, ZEROCMP)); + g_assert(1 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); + g_assert(1 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); + g_assert(1 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, IP0)); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCFG, 0); + tmp_cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, SCALE)); + g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, RSTEN)); + g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, ZEROCMP)); + g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); + g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); + g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, IP0)); + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGCFG)); + + qtest_quit(qts); +} + +static void test_wdogcmp0(void) +{ + uint32_t tmp; + QTestState *qts = qtest_init("-machine sifive_e"); + + test_init(qts); + + tmp = qtest_readl(qts, WDOG_BASE + WDOGCMP0); + qtest_writel(qts, WDOG_BASE + WDOGCMP0, 0xBEEF); + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCMP0) == tmp); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCMP0, 0xBEEF); + g_assert(0xBEEF == qtest_readl(qts, WDOG_BASE + WDOGCMP0)); + + qtest_quit(qts); +} + +static void test_wdogkey(void) +{ + QTestState *qts = qtest_init("-machine sifive_e"); + + test_init(qts); + + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGKEY)); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, 0xFFFF); + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGKEY)); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + g_assert(1 == qtest_readl(qts, WDOG_BASE + WDOGKEY)); + + qtest_writel(qts, WDOG_BASE + WDOGFEED, 0xAAAAAAAA); + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGKEY)); + + qtest_quit(qts); +} + +static void test_wdogfeed(void) +{ + QTestState *qts = qtest_init("-machine sifive_e"); + + test_init(qts); + + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGFEED)); + + qtest_writel(qts, WDOG_BASE + WDOGFEED, 0xFFFF); + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGFEED)); + + qtest_quit(qts); +} + +static void test_scaled_wdogs(void) +{ + uint32_t cfg; + uint32_t fake_count = 0x12345678; + QTestState *qts = qtest_init("-machine sifive_e"); + + test_init(qts); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCOUNT, fake_count); + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) == fake_count); + g_assert((uint16_t)qtest_readl(qts, WDOG_BASE + WDOGS) == + (uint16_t)fake_count); + + for (int i = 0; i < 16; i++) { + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, SCALE, i); + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); + g_assert((uint16_t)qtest_readl(qts, WDOG_BASE + WDOGS) == + (uint16_t)(fake_count >> + FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE))); + } + + qtest_quit(qts); +} + +static void test_watchdog(void) +{ + uint32_t cfg; + QTestState *qts = qtest_init("-machine sifive_e"); + + test_init(qts); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCMP0, SIFIVE_E_LFCLK_DEFAULT_FREQ); + + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, SCALE, 0); + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS, 1); + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); + + qtest_clock_step(qts, NANOSECONDS_PER_SECOND); + + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) == + SIFIVE_E_LFCLK_DEFAULT_FREQ); + g_assert(qtest_readl(qts, WDOG_BASE + WDOGS) == + SIFIVE_E_LFCLK_DEFAULT_FREQ); + + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP)); + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0); + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, IP0, 0); + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); + + qtest_quit(qts); +} + +static void test_scaled_watchdog(void) +{ + uint32_t cfg; + QTestState *qts = qtest_init("-machine sifive_e"); + + test_init(qts); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCMP0, 10); + + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, SCALE, 15); + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS, 1); + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); + + qtest_clock_step(qts, NANOSECONDS_PER_SECOND * 10); + + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) == + SIFIVE_E_LFCLK_DEFAULT_FREQ * 10); + + g_assert(10 == qtest_readl(qts, WDOG_BASE + WDOGS)); + + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + g_assert(15 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP)); + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0); + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, IP0, 0); + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); + + qtest_quit(qts); +} + +static void test_periodic_int(void) +{ + uint32_t cfg; + QTestState *qts = qtest_init("-machine sifive_e"); + + test_init(qts); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCMP0, SIFIVE_E_LFCLK_DEFAULT_FREQ); + + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, SCALE, 0); + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, ZEROCMP, 1); + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS, 1); + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); + + qtest_clock_step(qts, NANOSECONDS_PER_SECOND); + + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGCOUNT)); + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGS)); + + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN)); + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP)); + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); + + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, IP0, 0); + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); + + qtest_clock_step(qts, NANOSECONDS_PER_SECOND); + + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGCOUNT)); + g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGS)); + + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN)); + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP)); + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); + + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, IP0, 0); + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); + + qtest_quit(qts); +} + +static void test_enable_disable(void) +{ + uint32_t cfg; + QTestState *qts = qtest_init("-machine sifive_e"); + + test_init(qts); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCMP0, 10); + + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, SCALE, 15); + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS, 1); + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); + + qtest_clock_step(qts, NANOSECONDS_PER_SECOND * 2); + + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) == + SIFIVE_E_LFCLK_DEFAULT_FREQ * 2); + g_assert(2 == qtest_readl(qts, WDOG_BASE + WDOGS)); + + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + g_assert(15 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP)); + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS, 0); + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); + + qtest_clock_step(qts, NANOSECONDS_PER_SECOND * 8); + + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) == + SIFIVE_E_LFCLK_DEFAULT_FREQ * 2); + g_assert(2 == qtest_readl(qts, WDOG_BASE + WDOGS)); + + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + g_assert(15 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); + + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS, 1); + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); + + qtest_clock_step(qts, NANOSECONDS_PER_SECOND * 8); + + g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) == + SIFIVE_E_LFCLK_DEFAULT_FREQ * 10); + g_assert(10 == qtest_readl(qts, WDOG_BASE + WDOGS)); + + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + g_assert(15 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP)); + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS)); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE)); + g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); + + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0); + cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, IP0, 0); + qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY); + qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg); + cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG); + g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0)); + + qtest_quit(qts); +} + +int main(int argc, char *argv[]) +{ + g_test_init(&argc, &argv, NULL); + qtest_add_func("/sifive-e-aon-watchdog-test/wdogcount", + test_wdogcount); + qtest_add_func("/sifive-e-aon-watchdog-test/wdogcfg", + test_wdogcfg); + qtest_add_func("/sifive-e-aon-watchdog-test/wdogcmp0", + test_wdogcmp0); + qtest_add_func("/sifive-e-aon-watchdog-test/wdogkey", + test_wdogkey); + qtest_add_func("/sifive-e-aon-watchdog-test/wdogfeed", + test_wdogfeed); + qtest_add_func("/sifive-e-aon-watchdog-test/scaled_wdogs", + test_scaled_wdogs); + qtest_add_func("/sifive-e-aon-watchdog-test/watchdog", + test_watchdog); + qtest_add_func("/sifive-e-aon-watchdog-test/scaled_watchdog", + test_scaled_watchdog); + qtest_add_func("/sifive-e-aon-watchdog-test/periodic_int", + test_periodic_int); + qtest_add_func("/sifive-e-aon-watchdog-test/enable_disable", + test_enable_disable); + return g_test_run(); +}