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armv7m/imxrt117x: add CCM shared GPR registers #564

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merged 1 commit into from
Jul 5, 2024
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armv7m/imxrt117x: add CCM shared GPR registers #564

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37 changes: 37 additions & 0 deletions hal/armv7m/imxrt/117x/imxrt117x.c
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Original file line number Diff line number Diff line change
Expand Up @@ -777,6 +777,31 @@ static int _imxrt_getIOlpsrGpr(int which, unsigned int *what)
}


static int _imxrt_setSharedGpr(int which, unsigned int what)
{
if ((which < 0) || (which > 7)) {
return -EINVAL;
}

*(imxrt_common.ccm + 0x1200 + which * 0x8) = what;
hal_cpuDataSyncBarrier();

return 0;
}


static int _imxrt_getSharedGpr(int which, unsigned int *what)
{
if ((which < 0) || (which > 7) || (what == NULL)) {
return -EINVAL;
}

*what = *(imxrt_common.ccm + 0x1200 + which * 0x8);

return 0;
}


int hal_platformctl(void *ptr)
{
platformctl_t *data = ptr;
Expand Down Expand Up @@ -920,6 +945,18 @@ int hal_platformctl(void *ptr)
}
break;

case pctl_sharedGpr:
if (data->action == pctl_set) {
ret = _imxrt_setSharedGpr(data->iogpr.field, data->iogpr.val);
}
else if (data->action == pctl_get) {
ret = _imxrt_getSharedGpr(data->iogpr.field, &t);
if (ret == 0) {
data->iogpr.val = t;
}
}
break;

default:
break;
}
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2 changes: 1 addition & 1 deletion include/arch/armv7m/imxrt/11xx/imxrt1170.h
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Original file line number Diff line number Diff line change
Expand Up @@ -316,7 +316,7 @@ enum { cti0_err_irq = 17 + 16, cti1_err_irq, core_irq, lpuart1_irq, lpuart2_irq,
typedef struct {
enum { pctl_set = 0, pctl_get } action;
enum { pctl_devclock = 0, pctl_iogpr, pctl_iolpsrgpr, pctl_iomux, pctl_iopad, pctl_ioisel, pctl_reboot, pctl_devcache,
pctl_lpcg, pctl_cleanInvalDCache, pctl_resetSlice } type;
pctl_lpcg, pctl_cleanInvalDCache, pctl_resetSlice, pctl_sharedGpr } type;

union {
struct {
Expand Down
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