 2f849e9d7a
			
		
	
	
		2f849e9d7a
		
	
	
	
	
		
			
			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> Message-Id: <20230627141216.3962299-4-tommy.wu@sifive.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
		
			
				
	
	
		
			451 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			451 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * QTest testcase for the watchdog timer of HiFive 1 rev b.
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|  *
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|  * Copyright (c) 2023 SiFive, Inc.
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|  *
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|  * This program is free software; you can redistribute it and/or modify it
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|  * under the terms and conditions of the GNU General Public License,
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|  * version 2 or later, as published by the Free Software Foundation.
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|  *
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|  * This program is distributed in the hope it will be useful, but WITHOUT
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|  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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|  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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|  * more details.
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|  *
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|  * You should have received a copy of the GNU General Public License along with
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|  * this program.  If not, see <http://www.gnu.org/licenses/>.
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|  */
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| 
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| #include "qemu/osdep.h"
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| #include "qemu/timer.h"
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| #include "qemu/bitops.h"
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| #include "libqtest.h"
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| #include "hw/registerfields.h"
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| #include "hw/misc/sifive_e_aon.h"
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| 
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| FIELD(AON_WDT_WDOGCFG, SCALE, 0, 4)
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| FIELD(AON_WDT_WDOGCFG, RSVD0, 4, 4)
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| FIELD(AON_WDT_WDOGCFG, RSTEN, 8, 1)
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| FIELD(AON_WDT_WDOGCFG, ZEROCMP, 9, 1)
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| FIELD(AON_WDT_WDOGCFG, RSVD1, 10, 2)
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| FIELD(AON_WDT_WDOGCFG, EN_ALWAYS, 12, 1)
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| FIELD(AON_WDT_WDOGCFG, EN_CORE_AWAKE, 13, 1)
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| FIELD(AON_WDT_WDOGCFG, RSVD2, 14, 14)
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| FIELD(AON_WDT_WDOGCFG, IP0, 28, 1)
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| FIELD(AON_WDT_WDOGCFG, RSVD3, 29, 3)
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| 
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| #define WDOG_BASE (0x10000000)
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| #define WDOGCFG (0x0)
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| #define WDOGCOUNT (0x8)
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| #define WDOGS (0x10)
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| #define WDOGFEED (0x18)
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| #define WDOGKEY (0x1c)
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| #define WDOGCMP0 (0x20)
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| 
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| #define SIFIVE_E_AON_WDOGKEY (0x51F15E)
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| #define SIFIVE_E_AON_WDOGFEED (0xD09F00D)
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| #define SIFIVE_E_LFCLK_DEFAULT_FREQ (32768)
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| 
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| static void test_init(QTestState *qts)
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| {
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0);
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCFG, 0);
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCMP0, 0xBEEF);
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| }
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| 
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| static void test_wdogcount(void)
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| {
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|     uint64_t tmp;
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|     QTestState *qts = qtest_init("-machine sifive_e");
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| 
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|     test_init(qts);
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| 
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|     tmp = qtest_readl(qts, WDOG_BASE + WDOGCOUNT);
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|     qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0xBEEF);
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|     g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) == tmp);
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0xBEEF);
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|     g_assert(0xBEEF == qtest_readl(qts, WDOG_BASE + WDOGCOUNT));
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0xAAAAAAAA);
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|     g_assert(0x2AAAAAAA == qtest_readl(qts, WDOG_BASE + WDOGCOUNT));
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGFEED, 0xAAAAAAAA);
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|     g_assert(0x2AAAAAAA == qtest_readl(qts, WDOG_BASE + WDOGCOUNT));
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGFEED, SIFIVE_E_AON_WDOGFEED);
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|     g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGCOUNT));
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| 
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|     qtest_quit(qts);
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| }
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| 
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| static void test_wdogcfg(void)
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| {
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|     uint32_t tmp_cfg;
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|     QTestState *qts = qtest_init("-machine sifive_e");
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| 
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|     test_init(qts);
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| 
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|     tmp_cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG);
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|     qtest_writel(qts, WDOG_BASE + WDOGCFG, 0xFFFFFFFF);
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|     g_assert(qtest_readl(qts, WDOG_BASE + WDOGCFG) == tmp_cfg);
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCFG, 0xFFFFFFFF);
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|     g_assert(0xFFFFFFFF == qtest_readl(qts, WDOG_BASE + WDOGCFG));
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| 
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|     tmp_cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG);
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|     g_assert(15 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, SCALE));
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|     g_assert(1 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, RSTEN));
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|     g_assert(1 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, ZEROCMP));
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|     g_assert(1 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, EN_ALWAYS));
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|     g_assert(1 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE));
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|     g_assert(1 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, IP0));
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCFG, 0);
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|     tmp_cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG);
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|     g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, SCALE));
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|     g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, RSTEN));
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|     g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, ZEROCMP));
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|     g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, EN_ALWAYS));
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|     g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE));
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|     g_assert(0 == FIELD_EX32(tmp_cfg, AON_WDT_WDOGCFG, IP0));
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|     g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGCFG));
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| 
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|     qtest_quit(qts);
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| }
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| 
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| static void test_wdogcmp0(void)
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| {
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|     uint32_t tmp;
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|     QTestState *qts = qtest_init("-machine sifive_e");
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| 
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|     test_init(qts);
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| 
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|     tmp = qtest_readl(qts, WDOG_BASE + WDOGCMP0);
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|     qtest_writel(qts, WDOG_BASE + WDOGCMP0, 0xBEEF);
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|     g_assert(qtest_readl(qts, WDOG_BASE + WDOGCMP0) == tmp);
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCMP0, 0xBEEF);
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|     g_assert(0xBEEF == qtest_readl(qts, WDOG_BASE + WDOGCMP0));
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| 
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|     qtest_quit(qts);
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| }
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| 
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| static void test_wdogkey(void)
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| {
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|     QTestState *qts = qtest_init("-machine sifive_e");
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| 
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|     test_init(qts);
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| 
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|     g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGKEY));
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, 0xFFFF);
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|     g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGKEY));
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     g_assert(1 == qtest_readl(qts, WDOG_BASE + WDOGKEY));
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGFEED, 0xAAAAAAAA);
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|     g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGKEY));
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| 
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|     qtest_quit(qts);
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| }
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| 
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| static void test_wdogfeed(void)
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| {
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|     QTestState *qts = qtest_init("-machine sifive_e");
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| 
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|     test_init(qts);
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| 
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|     g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGFEED));
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGFEED, 0xFFFF);
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|     g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGFEED));
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| 
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|     qtest_quit(qts);
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| }
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| 
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| static void test_scaled_wdogs(void)
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| {
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|     uint32_t cfg;
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|     uint32_t fake_count = 0x12345678;
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|     QTestState *qts = qtest_init("-machine sifive_e");
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| 
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|     test_init(qts);
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCOUNT, fake_count);
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|     g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) == fake_count);
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|     g_assert((uint16_t)qtest_readl(qts, WDOG_BASE + WDOGS) ==
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|              (uint16_t)fake_count);
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| 
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|     for (int i = 0; i < 16; i++) {
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|         cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG);
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|         cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, SCALE, i);
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|         qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|         qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg);
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|         g_assert((uint16_t)qtest_readl(qts, WDOG_BASE + WDOGS) ==
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|                  (uint16_t)(fake_count >>
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|                             FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE)));
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|     }
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| 
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|     qtest_quit(qts);
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| }
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| 
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| static void test_watchdog(void)
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| {
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|     uint32_t cfg;
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|     QTestState *qts = qtest_init("-machine sifive_e");
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| 
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|     test_init(qts);
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCMP0, SIFIVE_E_LFCLK_DEFAULT_FREQ);
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| 
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|     cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG);
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|     cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, SCALE, 0);
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|     cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS, 1);
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg);
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| 
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|     qtest_clock_step(qts, NANOSECONDS_PER_SECOND);
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| 
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|     g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) ==
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|              SIFIVE_E_LFCLK_DEFAULT_FREQ);
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|     g_assert(qtest_readl(qts, WDOG_BASE + WDOGS) ==
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|              SIFIVE_E_LFCLK_DEFAULT_FREQ);
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| 
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|     cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG);
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|     g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE));
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|     g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN));
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|     g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP));
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|     g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS));
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|     g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE));
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|     g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0));
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0);
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|     cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, IP0, 0);
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg);
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|     cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG);
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|     g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0));
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| 
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|     qtest_quit(qts);
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| }
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| 
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| static void test_scaled_watchdog(void)
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| {
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|     uint32_t cfg;
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|     QTestState *qts = qtest_init("-machine sifive_e");
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| 
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|     test_init(qts);
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCMP0, 10);
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| 
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|     cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG);
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|     cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, SCALE, 15);
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|     cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS, 1);
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg);
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| 
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|     qtest_clock_step(qts, NANOSECONDS_PER_SECOND * 10);
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| 
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|     g_assert(qtest_readl(qts, WDOG_BASE + WDOGCOUNT) ==
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|              SIFIVE_E_LFCLK_DEFAULT_FREQ * 10);
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| 
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|     g_assert(10 == qtest_readl(qts, WDOG_BASE + WDOGS));
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| 
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|     cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG);
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|     g_assert(15 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE));
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|     g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN));
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|     g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP));
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|     g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS));
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|     g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE));
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|     g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0));
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCOUNT, 0);
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|     cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, IP0, 0);
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg);
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|     cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG);
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|     g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0));
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| 
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|     qtest_quit(qts);
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| }
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| 
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| static void test_periodic_int(void)
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| {
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|     uint32_t cfg;
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|     QTestState *qts = qtest_init("-machine sifive_e");
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| 
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|     test_init(qts);
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| 
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCMP0, SIFIVE_E_LFCLK_DEFAULT_FREQ);
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| 
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|     cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG);
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|     cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, SCALE, 0);
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|     cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, ZEROCMP, 1);
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|     cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS, 1);
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg);
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| 
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|     qtest_clock_step(qts, NANOSECONDS_PER_SECOND);
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| 
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|     g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGCOUNT));
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|     g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGS));
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| 
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|     cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG);
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|     g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE));
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|     g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN));
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|     g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP));
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|     g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS));
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|     g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE));
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|     g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0));
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| 
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|     cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, IP0, 0);
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg);
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|     cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG);
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|     g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0));
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| 
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|     qtest_clock_step(qts, NANOSECONDS_PER_SECOND);
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| 
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|     g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGCOUNT));
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|     g_assert(0 == qtest_readl(qts, WDOG_BASE + WDOGS));
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| 
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|     cfg = qtest_readl(qts, WDOG_BASE + WDOGCFG);
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|     g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, SCALE));
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|     g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, RSTEN));
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|     g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, ZEROCMP));
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|     g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_ALWAYS));
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|     g_assert(0 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, EN_CORE_AWAKE));
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|     g_assert(1 == FIELD_EX32(cfg, AON_WDT_WDOGCFG, IP0));
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| 
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|     cfg = FIELD_DP32(cfg, AON_WDT_WDOGCFG, IP0, 0);
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|     qtest_writel(qts, WDOG_BASE + WDOGKEY, SIFIVE_E_AON_WDOGKEY);
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|     qtest_writel(qts, WDOG_BASE + WDOGCFG, cfg);
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|     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();
 | |
| }
 |