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arch/arm/imx9: clockconfig: preparatory cleanup for i.MX93 support.

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- Guard imx9_gpc.h inclusion with CONFIG_IMX9_WFI_AWAKES_AT_SYSTICK
  to avoid a GPC dependency on chips that lack GPC
- Add depends on ARCH_CHIP_IMX95_M7 to IMX9_WFI_AWAKES_AT_SYSTICK
  since GPC wake configuration is i.MX95-specific
- Move XTAL_FREQ and ROOT_CLOCK_OFFSET defines to imx95_clock.h
- Make imx9_sm_setrootclock() and imx9_sm_getipfreq() static;
  they are not referenced outside this translation unit

Signed-off-by: Maarten Zanders <maarten@zanders.be>
This commit is contained in:
Maarten Zanders
2026-02-23 21:27:34 +01:00
committed by Xiang Xiao
parent de29af83f8
commit 6f859b56c7
3 changed files with 10 additions and 8 deletions
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arch/arm/src/imx9/Kconfig
+1
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@@ -49,6 +49,7 @@ endif
config IMX9_WFI_AWAKES_AT_SYSTICK config IMX9_WFI_AWAKES_AT_SYSTICK
bool "WFI awakes at systick interrupts" bool "WFI awakes at systick interrupts"
default y default y
depends on ARCH_CHIP_IMX95_M7
---help--- ---help---
Configure the GPC to wake up from systick interrupts at WFI Configure the GPC to wake up from systick interrupts at WFI
instruction instruction
arch/arm/src/imx9/hardware/imx95/imx95_clock.h
+3
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@@ -37,6 +37,9 @@
* Pre-processor Definitions * Pre-processor Definitions
****************************************************************************/ ****************************************************************************/
#define XTAL_FREQ 24000000u
#define ROOT_CLOCK_OFFSET 41
typedef enum typedef enum
{ {
EXT_CLK = 0, EXT_CLK = 0,
arch/arm/src/imx9/imx9_clockconfig.c
+6 -8
View File
@@ -37,7 +37,11 @@
#include <arch/barriers.h> #include <arch/barriers.h>
#include "arm_internal.h" #include "arm_internal.h"
#ifdef CONFIG_IMX9_WFI_AWAKES_AT_SYSTICK
#include "hardware/imx9_gpc.h" #include "hardware/imx9_gpc.h"
#endif
#include "imx9_clockconfig.h" #include "imx9_clockconfig.h"
#include "imx9_scmi.h" #include "imx9_scmi.h"
@@ -45,12 +49,6 @@
* Pre-processor Definitions * Pre-processor Definitions
****************************************************************************/ ****************************************************************************/
/* The base oscillator frequency is 24MHz */
#define XTAL_FREQ 24000000u
#define ROOT_CLOCK_OFFSET 41
/**************************************************************************** /****************************************************************************
* Public Functions * Public Functions
****************************************************************************/ ****************************************************************************/
@@ -87,7 +85,7 @@ void imx9_clockconfig(void)
} }
#ifdef CONFIG_IMX9_CLK_OVER_SCMI #ifdef CONFIG_IMX9_CLK_OVER_SCMI
int imx9_sm_setrootclock(sm_clock_t *sm_clk) static int imx9_sm_setrootclock(sm_clock_t *sm_clk)
{ {
scmi_clock_rate_t rate = /* clang-format off */ scmi_clock_rate_t rate = /* clang-format off */
{ {
@@ -156,7 +154,7 @@ int imx9_sm_setrootclock(sm_clock_t *sm_clk)
return OK; return OK;
} }
int imx9_sm_getipfreq(sm_clock_t *sm_clk) static int imx9_sm_getipfreq(sm_clock_t *sm_clk)
{ {
scmi_clock_rate_t rate = /* clang-format off */ scmi_clock_rate_t rate = /* clang-format off */
{ {