drivers: flash: Added clear_flash_caches function for MCXW2XX

AllenZhang-NXP · jhedberg · commit 86b346e09730 · 2025-10-30T15:15:35.000+02:00
MCXW2XX ROMAPI provide the function FLASH_CacheClear to clear the cache.
The SMSCM is not supported on MCXW2XX platform.

Signed-off-by: Allen Zhang &lt;chunfeng.zhang@nxp.com&gt;
diff --git a/drivers/flash/soc_flash_mcux.c b/drivers/flash/soc_flash_mcux.c
@@ -119,6 +119,12 @@ static status_t is_area_readable(uint32_t addr, size_t len)
 
 #define SOC_FLASH_NEED_CLEAR_CACHES 1
 #ifdef CONFIG_SOC_FAMILY_MCXW
+#ifdef CONFIG_SOC_SERIES_MCXW2XX
+static void clear_flash_caches(void)
+{
+	FLASH_CacheClear();
+}
+#elif
 static void clear_flash_caches(void)
 {
 	volatile uint32_t *const smscm_ocmdr0 = (volatile uint32_t *)0x40015400;
@@ -128,6 +134,7 @@ static void clear_flash_caches(void)
 	/* this bit clears the code cache */
 	*mcm_cpcr2 |= BIT(0);
 }
+#endif
 #elif CONFIG_SOC_FAMILY_MCXN
 static void clear_flash_caches(void)
 {

Original file line number	Diff line number	Diff line change
`@@ -119,6 +119,12 @@ static status_t is_area_readable(uint32_t addr, size_t len)`
`119`	`119`
`120`	`120`	`#define SOC_FLASH_NEED_CLEAR_CACHES 1`
`121`	`121`	`#ifdef CONFIG_SOC_FAMILY_MCXW`
	`122`	`+#ifdef CONFIG_SOC_SERIES_MCXW2XX`
	`123`	`+static void clear_flash_caches(void)`
	`124`	`+{`
	`125`	`+ FLASH_CacheClear();`
	`126`	`+}`
	`127`	`+#elif`
`122`	`128`	`static void clear_flash_caches(void)`
`123`	`129`	`{`
`124`	`130`	`volatile uint32_t const smscm_ocmdr0 = (volatile uint32_t )0x40015400;`
`@@ -128,6 +134,7 @@ static void clear_flash_caches(void)`
`128`	`134`	`/* this bit clears the code cache */`
`129`	`135`	`*mcm_cpcr2 \|= BIT(0);`
`130`	`136`	`}`
	`137`	`+#endif`
`131`	`138`	`#elif CONFIG_SOC_FAMILY_MCXN`
`132`	`139`	`static void clear_flash_caches(void)`
`133`	`140`	`{`