feat(Other): Enable ICC with Zephyr on MAX32660, MAX32662, MAX32670, MAX32672, MAX32675, MAX78000, and MAX78002 (#1570)

Signed-off-by: Ryan Wiebe <ryan.wiebe@analog.com>

Author: rwiebe-adi

Libraries/zephyr/MAX/Source/MAX32660/max32xxx_system.c

@@ -19,6 +19,7 @@
 #include "max32660.h"
 #include "mxc_sys.h"
 #include "wdt_regs.h"
+#include "icc.h"
 
 /* 
  * This function is called during boot up.
@@ -39,4 +40,7 @@ void max32xx_system_init(void)
     MXC_SYS_ClockDisable(MXC_SYS_PERIPH_CLOCK_TMR1);
     MXC_SYS_ClockDisable(MXC_SYS_PERIPH_CLOCK_TMR2);
     MXC_SYS_ClockDisable(MXC_SYS_PERIPH_CLOCK_I2C1);
+
+    /* Enable instruction caching */
+    MXC_ICC_Enable();
 }

Libraries/zephyr/MAX/Source/MAX32662/max32xxx_system.c

@@ -17,8 +17,13 @@
  ******************************************************************************/
 
 #include "max32662.h"
+#include "icc.h"
 
 /* 
  * This function is called during boot up.
  */
-void max32xx_system_init(void) {}
+void max32xx_system_init(void)
+{
+    /* Enable instruction caching */
+    MXC_ICC_Enable();
+}

Libraries/zephyr/MAX/Source/MAX32670/max32xxx_system.c

@@ -20,6 +20,7 @@
 #include "pwrseq_regs.h"
 #include "mxc_sys.h"
 #include "ecc_regs.h"
+#include "icc.h"
 
 /* 
  * This function is called during boot up.
@@ -31,4 +32,7 @@ void max32xx_system_init(void)
 
     /* Make sure INRO is enabled. INRO should already be enabled during power up. */
     MXC_PWRSEQ->lpcn |= MXC_F_PWRSEQ_LPCN_INRO_EN;
+
+    /* Enable instruction caching */
+    MXC_ICC_Enable();
 }

Libraries/zephyr/MAX/Source/MAX32672/max32xxx_system.c

@@ -18,6 +18,7 @@
 
 #include "max32672.h"
 #include "trimsir_regs.h"
+#include "icc.h"
 
 /* 
  * This function is called during boot up.
@@ -27,4 +28,7 @@ void max32xx_system_init(void)
     /* Disable SRAM ECC until it is handled on zephyr side */
     MXC_TRIMSIR->bb_sir2 &= ~(MXC_F_TRIMSIR_BB_SIR2_RAM0_1ECCEN | MXC_F_TRIMSIR_BB_SIR2_RAM2ECCEN |
                               MXC_F_TRIMSIR_BB_SIR2_RAM3ECCEN);
+
+    /* Enable instruction caching */
+    MXC_ICC_Enable();
 }

Libraries/zephyr/MAX/Source/MAX32675/max32xxx_system.c

@@ -18,6 +18,7 @@
 
 #include "max32675.h"
 #include "ecc_regs.h"
+#include "icc.h"
 
 /* 
  * This function is called during boot up.
@@ -26,4 +27,7 @@ void max32xx_system_init(void)
 {
     /* Disable SRAM ECC until it is handled on zephyr side */
     MXC_ECC->en &= ~MXC_F_ECC_EN_SRAM;
+
+    /* Enable instruction caching */
+    MXC_ICC_Enable();
 }

Libraries/zephyr/MAX/Source/MAX78000/max78xxx_system.c

@@ -24,5 +24,10 @@
  */
 void max32xx_system_init(void)
 {
+#ifndef CONFIG_SOC_MAX78000_RV32
+
+    /* Enable instruction caching */
     MXC_ICC_Enable(MXC_ICC0);
+
+#endif
 }

Libraries/zephyr/MAX/Source/MAX78002/max78xxx_system.c

@@ -17,8 +17,17 @@
  ******************************************************************************/
 
 #include "max78002.h"
+#include "icc.h"
 
 /* 
  * This function is called during boot up.
  */
-void max32xx_system_init(void) {}
+void max32xx_system_init(void)
+{
+#ifndef CONFIG_SOC_MAX78002_RV32
+
+    /* Enable instruction caching */
+    MXC_ICC_Enable(MXC_ICC0);
+
+#endif
+}