common: board_f: vid: Add VID specific API to adjust core voltage

Adds a VID specific API in init_sequence_f and spl code flow
namely init_func_vid which is required to adjust core voltage.

VID specific code is required in spl, hence moving flag CONFIG_VID
out of spl flags.

Signed-off-by: Ashish Kumar <Ashish.Kumar@nxp.com>
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

arch/arm/cpu/armv8/fsl-layerscape/spl.c

@@ -84,6 +84,9 @@ void board_init_f(ulong dummy)
 
 #ifdef CONFIG_SPL_I2C_SUPPORT
 	i2c_init_all();
+#endif
+#ifdef CONFIG_VID
+	init_func_vid();
 #endif
 	dram_init();
 #ifdef CONFIG_SPL_FSL_LS_PPA

board/freescale/common/Makefile

@@ -23,8 +23,8 @@ obj-$(CONFIG_FMAN_ENET)	+= fman.o
 obj-$(CONFIG_FSL_PIXIS)	+= pixis.o
 ifndef CONFIG_SPL_BUILD
 obj-$(CONFIG_FSL_NGPIXIS)	+= ngpixis.o
-obj-$(CONFIG_VID)		+= vid.o
 endif
+obj-$(CONFIG_VID)		+= vid.o
 obj-$(CONFIG_FSL_QIXIS)	+= qixis.o
 obj-$(CONFIG_PQ_MDS_PIB)	+= pq-mds-pib.o
 ifndef CONFIG_SPL_BUILD

common/board_f.c

@@ -200,6 +200,13 @@ static int init_func_i2c(void)
 }
 #endif
 
+#if defined(CONFIG_VID)
+__weak int init_func_vid(void)
+{
+	return 0;
+}
+#endif
+
 #if defined(CONFIG_HARD_SPI)
 static int init_func_spi(void)
 {
@@ -801,6 +808,9 @@ static const init_fnc_t init_sequence_f[] = {
 #if defined(CONFIG_SYS_I2C)
 	init_func_i2c,
 #endif
+#if defined(CONFIG_VID) && !defined(CONFIG_SPL)
+	init_func_vid,
+#endif
 #if defined(CONFIG_HARD_SPI)
 	init_func_spi,
 #endif

include/common.h

@@ -364,6 +364,9 @@ int	embedded_dtb_select(void);
 
 int	misc_init_f   (void);
 int	misc_init_r   (void);
+#if defined(CONFIG_VID)
+int	init_func_vid(void);
+#endif
 
 /* common/exports.c */
 void	jumptable_init(void);