220 lines
8.0 KiB
C
220 lines
8.0 KiB
C
//*****************************************************************************
|
|
//
|
|
//! @file am_util_id.c
|
|
//!
|
|
//! @brief Identification of the Ambiq Micro device.
|
|
//!
|
|
//! This module contains functions for run time identification of Ambiq Micro
|
|
//! devices.
|
|
//
|
|
//*****************************************************************************
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Copyright (c) 2020, Ambiq Micro
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are met:
|
|
//
|
|
// 1. Redistributions of source code must retain the above copyright notice,
|
|
// this list of conditions and the following disclaimer.
|
|
//
|
|
// 2. Redistributions in binary form must reproduce the above copyright
|
|
// notice, this list of conditions and the following disclaimer in the
|
|
// documentation and/or other materials provided with the distribution.
|
|
//
|
|
// 3. Neither the name of the copyright holder nor the names of its
|
|
// contributors may be used to endorse or promote products derived from this
|
|
// software without specific prior written permission.
|
|
//
|
|
// Third party software included in this distribution is subject to the
|
|
// additional license terms as defined in the /docs/licenses directory.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
|
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
// POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// This is part of revision 2.4.2 of the AmbiqSuite Development Package.
|
|
//
|
|
//*****************************************************************************
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include "am_util_id.h"
|
|
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Globals.
|
|
//
|
|
//*****************************************************************************
|
|
//
|
|
// Strings for use with pui8VendorName.
|
|
//
|
|
static const uint8_t g_DeviceNameApollo[] = "Apollo";
|
|
static const uint8_t g_DeviceNameApollo2[] = "Apollo2";
|
|
static const uint8_t g_DeviceNameApollo3[] = "Apollo3 Blue";
|
|
static const uint8_t g_DeviceNameApollo3p[] = "Apollo3 Blue Plus";
|
|
static const uint8_t g_ui8VendorNameAmbq[] = "AMBQ";
|
|
static const uint8_t g_ui8VendorNameUnknown[] = "????";
|
|
static const uint8_t g_ui8DeviceNameUnknown[] = "Unknown device";
|
|
|
|
//*****************************************************************************
|
|
// Return the major version of the chip rev.
|
|
// Returns: 'A', 'B', 'C', ...
|
|
//*****************************************************************************
|
|
static uint32_t
|
|
revmaj_get(uint32_t ui32ChipRev)
|
|
{
|
|
uint32_t ui32ret;
|
|
|
|
#ifdef _FLD2VAL
|
|
ui32ret = _FLD2VAL(MCUCTRL_CHIPREV_REVMAJ, ui32ChipRev);
|
|
#else
|
|
ui32ret = (ui32ChipRev & 0xF0) >> 4;
|
|
#endif
|
|
|
|
//
|
|
// Major revision is 1=A, 2=B, 3=C, ...
|
|
// Convert to the expected return value.
|
|
//
|
|
return ui32ret + 'A' - 1;
|
|
|
|
} // revmaj_get()
|
|
|
|
//*****************************************************************************
|
|
// Update the ID structure with the appropriate ChipRev letter.
|
|
// ui32minrevbase should be 0 for Apollo or Apollo2, 1 for Apollo3.
|
|
//*****************************************************************************
|
|
static void
|
|
chiprev_set(am_util_id_t *psIDDevice, uint32_t ui32minrevbase)
|
|
{
|
|
uint32_t ui32maj, ui32min;
|
|
|
|
ui32maj = ((psIDDevice->sMcuCtrlDevice.ui32ChipRev & 0xF0) >> 4);
|
|
psIDDevice->ui8ChipRevMaj = (uint8_t)('A' - 1 + ui32maj);
|
|
|
|
//
|
|
// For Apollo and Apollo2: rev0=0, rev1=1, ... (0-based)
|
|
// For Apollo3: rev0=1, rev1=2, ... (1-based)
|
|
//
|
|
ui32min = ((psIDDevice->sMcuCtrlDevice.ui32ChipRev & 0x0F) >> 0);
|
|
psIDDevice->ui8ChipRevMin = (uint8_t)('0' + ui32min - ui32minrevbase);
|
|
|
|
} // chiprev_set()
|
|
|
|
//*****************************************************************************
|
|
//
|
|
//! @brief Device identification.
|
|
//!
|
|
//! @param psIDDevice - ptr to a device ID structure (am_util_id_t*) to be
|
|
//! filled in by the function.
|
|
//!
|
|
//! This function provides additional information about the currently running
|
|
//! Ambiq Micro MCU device.
|
|
//!
|
|
//! @returns The ui32Device value, which is a value corresponding to the
|
|
//! device type.
|
|
//
|
|
//*****************************************************************************
|
|
uint32_t
|
|
am_util_id_device(am_util_id_t *psIDDevice)
|
|
{
|
|
uint32_t ui32PN, ui32ChipRev;
|
|
|
|
//
|
|
// Go get all the device (hardware) info from the HAL
|
|
//
|
|
#if AM_APOLLO3_MCUCTRL
|
|
am_hal_mcuctrl_info_get(AM_HAL_MCUCTRL_INFO_DEVICEID, &psIDDevice->sMcuCtrlDevice);
|
|
#else // AM_APOLLO3_MCUCTRL
|
|
am_hal_mcuctrl_device_info_get(&psIDDevice->sMcuCtrlDevice);
|
|
#endif // AM_APOLLO3_MCUCTRL
|
|
|
|
//
|
|
// Device identification
|
|
//
|
|
ui32PN = psIDDevice->sMcuCtrlDevice.ui32ChipPN &
|
|
AM_UTIL_MCUCTRL_CHIP_INFO_PARTNUM_PN_M;
|
|
ui32ChipRev = psIDDevice->sMcuCtrlDevice.ui32ChipRev;
|
|
|
|
if ( (psIDDevice->sMcuCtrlDevice.ui32JedecCID == 0xB105100D) &&
|
|
(psIDDevice->sMcuCtrlDevice.ui32JedecJEPID == 0x0000009B) &&
|
|
((psIDDevice->sMcuCtrlDevice.ui32JedecPN & 0xF00) != 0xE00) )
|
|
{
|
|
//
|
|
// It's Ambiq Micro, set up the VENDORID.
|
|
//
|
|
psIDDevice->pui8VendorName = g_ui8VendorNameAmbq;
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// For now, set it as unknown vendor, but we may change it later.
|
|
//
|
|
psIDDevice->pui8VendorName = g_ui8VendorNameUnknown;
|
|
}
|
|
|
|
if ( psIDDevice->sMcuCtrlDevice.ui32VendorID ==
|
|
(('A' << 24) | ('M' << 16) | ('B' << 8) | ('Q' << 0)) )
|
|
{
|
|
//
|
|
// VENDORID is AMBQ, so set the string pointer.
|
|
//
|
|
psIDDevice->pui8VendorName = g_ui8VendorNameAmbq;
|
|
}
|
|
|
|
if ( ( ui32PN == AM_UTIL_MCUCTRL_CHIP_INFO_PARTNUM_APOLLO ) &&
|
|
((psIDDevice->sMcuCtrlDevice.ui32JedecPN & 0x0F0) == 0x0E0) )
|
|
{
|
|
psIDDevice->ui32Device = AM_UTIL_ID_APOLLO;
|
|
psIDDevice->pui8DeviceName = g_DeviceNameApollo;
|
|
chiprev_set(psIDDevice, 0);
|
|
|
|
//
|
|
// Force the vendor name for Apollo, which did not support VENDORID.
|
|
//
|
|
psIDDevice->pui8VendorName = g_ui8VendorNameAmbq;
|
|
}
|
|
else if ( ( ui32PN == AM_UTIL_MCUCTRL_CHIP_INFO_PARTNUM_APOLLO2 ) &&
|
|
((psIDDevice->sMcuCtrlDevice.ui32JedecPN & 0x0F0) == 0x0D0) )
|
|
{
|
|
psIDDevice->ui32Device = AM_UTIL_ID_APOLLO2;
|
|
psIDDevice->pui8DeviceName = g_DeviceNameApollo2;
|
|
chiprev_set(psIDDevice, 0);
|
|
}
|
|
else if ( ( ui32PN == AM_UTIL_MCUCTRL_CHIP_INFO_PARTNUM_APOLLO3 ) &&
|
|
((psIDDevice->sMcuCtrlDevice.ui32JedecPN & 0x0F0) == 0x0C0) &&
|
|
( revmaj_get(ui32ChipRev) <= 'B' ) )
|
|
{
|
|
psIDDevice->ui32Device = AM_UTIL_ID_APOLLO3;
|
|
psIDDevice->pui8DeviceName = g_DeviceNameApollo3;
|
|
chiprev_set(psIDDevice, 1);
|
|
}
|
|
else if ( ( ui32PN == AM_UTIL_MCUCTRL_CHIP_INFO_PARTNUM_APOLLO3P) &&
|
|
((psIDDevice->sMcuCtrlDevice.ui32JedecPN & 0x0F0) == 0x0C0) &&
|
|
( revmaj_get(ui32ChipRev) == 'C' ) )
|
|
{
|
|
psIDDevice->ui32Device = AM_UTIL_ID_APOLLO3P;
|
|
psIDDevice->pui8DeviceName = g_DeviceNameApollo3p;
|
|
chiprev_set(psIDDevice, 1);
|
|
}
|
|
else
|
|
{
|
|
psIDDevice->ui32Device = AM_UTIL_ID_UNKNOWN;
|
|
psIDDevice->pui8DeviceName = g_ui8DeviceNameUnknown;
|
|
psIDDevice->ui8ChipRevMaj = (uint8_t)'?';
|
|
psIDDevice->ui8ChipRevMin = (uint8_t)' ';
|
|
}
|
|
|
|
return psIDDevice->ui32Device;
|
|
}
|