Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

fix(PeriphDrivers): Update the info block unlock sequence for the MAX32657 #1288

Merged
merged 3 commits into from
Dec 10, 2024
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
33 changes: 31 additions & 2 deletions Libraries/PeriphDrivers/Source/FLC/flc_me30.c
Original file line number Diff line number Diff line change
Expand Up @@ -183,15 +183,44 @@ int MXC_FLC_MassErase(void)
}

//******************************************************************************
__weak int MXC_FLC_UnlockInfoBlock(uint32_t address)
int MXC_FLC_UnlockInfoBlock(uint32_t address)
{
/* Flash Controller only accessible in secure world. */
#if defined(CONFIG_TRUSTED_EXECUTION_SECURE) || (CONFIG_TRUSTED_EXECUTION_SECURE != 0)
if ((address < MXC_INFO_MEM_BASE) ||
(address >= (MXC_INFO_MEM_BASE + (MXC_INFO_MEM_SIZE * 2)))) {
return E_BAD_PARAM;
}
#else
return E_NOT_SUPPORTED;
#endif

/* Make sure the info block is locked */
MXC_FLC->actrl = 0x1234;

/* Write the unlock sequence */
MXC_FLC->actrl = 0x55bcbe69;
MXC_FLC->actrl = 0x7688c189;
MXC_FLC->actrl = 0x82306612;

return E_NO_ERROR;
}

//******************************************************************************
int MXC_FLC_LockInfoBlock(uint32_t address)
{
return MXC_FLC_RevA_LockInfoBlock((mxc_flc_reva_regs_t *)MXC_FLC, address);
/* Flash Controller only accessible in secure world. */
#if defined(CONFIG_TRUSTED_EXECUTION_SECURE) || (CONFIG_TRUSTED_EXECUTION_SECURE != 0)
if ((address < MXC_INFO_MEM_BASE) ||
(address >= (MXC_INFO_MEM_BASE + (MXC_INFO_MEM_SIZE * 2)))) {
return E_BAD_PARAM;
}
#else
return E_NOT_SUPPORTED;
#endif

MXC_FLC->actrl = 0xDEADBEEF;
return E_NO_ERROR;
}

//******************************************************************************
Expand Down
Loading