mirror of
https://github.com/apache/nuttx.git
synced 2026-06-07 17:33:08 +08:00
arch/arm/src/max326xx: Add the first, untested cut of an watchdog timer driver.
This commit is contained in:
Gregory Nutt
@@ -50,7 +50,7 @@ config ARCH_FAMILY_MAX32620
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default n
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select ARCH_CORTEXM4
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select MAX326XX_HAVE_WWDOG
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select MAX326XX_HAVE_RWDOG
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select MAX326XX_HAVE_LLWDOG
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select MAX326XX_HAVE_WAKEUP
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select MAX326XX_HAVE_CRC
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select MAX326XX_HAVE_AES
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@@ -76,6 +76,7 @@ config ARCH_FAMILY_MAX32630
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default n
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select ARCH_CORTEXM4
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select MAX326XX_HAVE_WWDOG
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select MAX326XX_HAVE_LLWDOG
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select MAX326XX_HAVE_WAKEUP
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select MAX326XX_HAVE_CRC
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select MAX326XX_HAVE_AES
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@@ -117,7 +118,7 @@ config MAX326XX_HAVE_WWDOG
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bool
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default n
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config MAX326XX_HAVE_RWDOG
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config MAX326XX_HAVE_LLWDOG
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bool
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default n
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@@ -225,19 +226,19 @@ config MAX326XX_WDOG
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depends on MAX326XX_HAVE_WDOG
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config MAX326XX_WWDOG0
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bool "Windowed Watchdog Timer 0"
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bool "Windowed Watchdog Timer (WDT0) "
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default n
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depends on MAX326XX_HAVE_WWDOG
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config MAX326XX_WWDOG1
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bool "Windowed Watchdog Timer 1"
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bool "Low-Level Watchdog Timer (WDT1)"
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default n
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depends on MAX326XX_HAVE_WWDOG
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config MAX326XX_RWDOG
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bool "Recovery Watchdog"
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default n
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depends on MAX326XX_HAVE_RWDOG
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depends on MAX326XX_HAVE_LLWDOG
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config MAX326XX_WAKEUP
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bool "Wakeup Timer"
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@@ -122,7 +122,7 @@ CHIP_CSRCS += max32660_gpioirq.c
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endif
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endif
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ifeq ($(CONFIG_RTC),y)
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ifeq ($(CONFIG_MAX32XX_WDT),y)
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ifeq ($(CONFIG_ARCH_FAMILY_MAX32660),y)
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CHIP_CSRCS += max32660_rtc.c
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endif
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@@ -131,7 +131,7 @@ CHIP_CSRCS += max326_rtc_lowerhalf.c
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endif
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endif
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ifeq ($(CONFIG_MAX326XX_WDT),y)
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ifeq ($(CONFIG_MAX326XX_WDOG),y)
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ifeq ($(CONFIG_ARCH_FAMILY_MAX32660),y)
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CHIP_CSRCS += max32660_wdt.c
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endif
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@@ -63,40 +63,42 @@
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#define WDT0_CTRL_INTPERIOD_SHIFT (0) /* Bit 0-3: Interrupt Period */
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#define WDT0_CTRL_INTPERIOD_MASK (15 << WDT0_CTRL_INTPERIOD_SHIFT)
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# define WDT0_CTRL_INTPERIOD_216X (15 << WDT0_CTRL_INTPERIOD_SHIFT) /* 216 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_INTPERIOD_217X (14 << WDT0_CTRL_INTPERIOD_SHIFT) /* 217 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_INTPERIOD_218X (13 << WDT0_CTRL_INTPERIOD_SHIFT) /* 218 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_INTPERIOD_219X (12 << WDT0_CTRL_INTPERIOD_SHIFT) /* 219 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_INTPERIOD_220X (11 << WDT0_CTRL_INTPERIOD_SHIFT) /* 220 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_INTPERIOD_221X (10 << WDT0_CTRL_INTPERIOD_SHIFT) /* 221 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_INTPERIOD_222X (9 << WDT0_CTRL_INTPERIOD_SHIFT) /* 222 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_INTPERIOD_223X (8 << WDT0_CTRL_INTPERIOD_SHIFT) /* 223 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_INTPERIOD_224X (7 << WDT0_CTRL_INTPERIOD_SHIFT) /* 224 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_INTPERIOD_225X (6 << WDT0_CTRL_INTPERIOD_SHIFT) /* 225 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_INTPERIOD_226X (5 << WDT0_CTRL_INTPERIOD_SHIFT) /* 226 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_INTPERIOD_227X (4 << WDT0_CTRL_INTPERIOD_SHIFT) /* 227 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_INTPERIOD_228X (3 << WDT0_CTRL_INTPERIOD_SHIFT) /* 228 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_INTPERIOD_229X (2 << WDT0_CTRL_INTPERIOD_SHIFT) /* 229 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_INTPERIOD_230X (1 << WDT0_CTRL_INTPERIOD_SHIFT) /* 230 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_INTPERIOD_231X (0 << WDT0_CTRL_INTPERIOD_SHIFT) /* 231 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_INTPERIOD(n) ((uint32_t)(n) << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^16 x Tpclk */
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# define WDT0_CTRL_INTPERIOD_216X (15 << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^16 x Tpclk */
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# define WDT0_CTRL_INTPERIOD_217X (14 << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^17 x Tpclk */
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# define WDT0_CTRL_INTPERIOD_218X (13 << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^18 x Tpclk */
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# define WDT0_CTRL_INTPERIOD_219X (12 << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^19 x Tpclk */
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# define WDT0_CTRL_INTPERIOD_220X (11 << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^20 x Tpclk */
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# define WDT0_CTRL_INTPERIOD_221X (10 << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^21 x Tpclk */
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# define WDT0_CTRL_INTPERIOD_222X (9 << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^22 x Tpclk */
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# define WDT0_CTRL_INTPERIOD_223X (8 << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^23 x Tpclk */
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# define WDT0_CTRL_INTPERIOD_224X (7 << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^24 x Tpclk */
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# define WDT0_CTRL_INTPERIOD_225X (6 << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^25 x Tpclk */
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# define WDT0_CTRL_INTPERIOD_226X (5 << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^26 x Tpclk */
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# define WDT0_CTRL_INTPERIOD_227X (4 << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^27 x Tpclk */
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# define WDT0_CTRL_INTPERIOD_228X (3 << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^28 x Tpclk */
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# define WDT0_CTRL_INTPERIOD_229X (2 << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^29 x Tpclk */
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# define WDT0_CTRL_INTPERIOD_230X (1 << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^30 x Tpclk */
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# define WDT0_CTRL_INTPERIOD_231X (0 << WDT0_CTRL_INTPERIOD_SHIFT) /* 2^31 x Tpclk */
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#define WDT0_CTRL_RSTPERIOD_SHIFT (4) /* Bits 4-7: Reset Period */
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#define WDT0_CTRL_RSTPERIOD_MASK (15 << WDT0_CTRL_RSTPERIOD_SHIFT)
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# define WDT0_CTRL_RSTPERIOD_216X (15 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 216 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_RSTPERIOD_217X (14 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 217 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_RSTPERIOD_218X (13 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 218 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_RSTPERIOD_219X (12 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 219 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_RSTPERIOD_220X (11 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 220 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_RSTPERIOD_221X (10 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 221 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_RSTPERIOD_222X (9 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 222 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_RSTPERIOD_223X (8 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 223 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_RSTPERIOD_224X (7 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 224 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_RSTPERIOD_225X (6 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 225 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_RSTPERIOD_226X (5 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 226 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_RSTPERIOD_227X (4 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 227 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_RSTPERIOD_228X (3 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 228 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_RSTPERIOD_229X (2 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 229 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_RSTPERIOD_230X (1 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 230 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_RSTPERIOD_231X (0 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 231 × 𝑡𝑃𝐶𝐿𝐾 */
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# define WDT0_CTRL_RSTPERIOD(n) ((uint32_t)(n) << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^16 x Tpclk */
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# define WDT0_CTRL_RSTPERIOD_216X (15 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^16 x Tpclk */
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# define WDT0_CTRL_RSTPERIOD_217X (14 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^17 x Tpclk */
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# define WDT0_CTRL_RSTPERIOD_218X (13 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^18 x Tpclk */
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# define WDT0_CTRL_RSTPERIOD_219X (12 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^19 x Tpclk */
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# define WDT0_CTRL_RSTPERIOD_220X (11 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^20 x Tpclk */
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# define WDT0_CTRL_RSTPERIOD_221X (10 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^21 x Tpclk */
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# define WDT0_CTRL_RSTPERIOD_222X (9 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^22 x Tpclk */
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# define WDT0_CTRL_RSTPERIOD_223X (8 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^23 x Tpclk */
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# define WDT0_CTRL_RSTPERIOD_224X (7 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^24 x Tpclk */
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# define WDT0_CTRL_RSTPERIOD_225X (6 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^25 x Tpclk */
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# define WDT0_CTRL_RSTPERIOD_226X (5 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^26 x Tpclk */
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# define WDT0_CTRL_RSTPERIOD_227X (4 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^27 x Tpclk */
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# define WDT0_CTRL_RSTPERIOD_228X (3 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^28 x Tpclk */
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# define WDT0_CTRL_RSTPERIOD_229X (2 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^29 x Tpclk */
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# define WDT0_CTRL_RSTPERIOD_230X (1 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^30 x Tpclk */
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# define WDT0_CTRL_RSTPERIOD_231X (0 << WDT0_CTRL_RSTPERIOD_SHIFT) /* 2^31 x Tpclk */
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#define WDT0_CTRL_WDTEN (1 << 8) /* Bit 8: Enable */
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#define WDT0_CTRL_INTFLAG (1 << 9) /* Bit 9: Interrupt Flag */
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#define WDT0_CTRL_INTEN (1 << 10) /* Bit 10: Interrupt Enable */
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@@ -1,7 +1,7 @@
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/****************************************************************************
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* arch/arm/src/max326xx/max326_serial.c
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*
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Copyright (C) 2018 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,92 @@
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/****************************************************************************
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* arch/arm/src/max326xx/max326_wdt.h
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*
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* Copyright (C) 2018 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_SRC_MAX326XX_MAX326_WDT_H
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#define __ARCH_ARM_SRC_MAX326XX_MAX326_WDT_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#ifdef CONFIG_WATCHDOG
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/****************************************************************************
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* Public Types
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: max326_wdt_initialize
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*
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* Description:
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* Initialize the WDT watchdog time. The watchdog timer is initialized and
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* registers as 'devpath. The initial state of the watchdog time is
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* disabled.
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*
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* Input Parameters:
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* devpath - The full path to the watchdog. This should be of the form
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* /dev/watchdog0
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* Returned Values:
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* Zero (OK) is returned on success; a negated errno value is returned on
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* any failure.
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*
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****************************************************************************/
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#ifdef CONFIG_MAX326XX_WDOG
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int max326_wdt_initialize(FAR const char *devpath);
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* CONFIG_WATCHDOG */
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#endif /* __ARCH_ARM_SRC_MAX326XX_MAX326_WDT_H */
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