298 lines
13 KiB
C
298 lines
13 KiB
C
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// am_hal_flash.h
|
||
|
|
//! @file
|
||
|
|
//!
|
||
|
|
//! @brief Functions for performing Flash operations.
|
||
|
|
//!
|
||
|
|
//! @addtogroup flash2 Flash
|
||
|
|
//! @ingroup apollo2hal
|
||
|
|
//! @{
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// Copyright (c) 2017, 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.
|
||
|
|
//
|
||
|
|
// 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 1.2.9 of the AmbiqSuite Development Package.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#ifndef AM_HAL_FLASH_H
|
||
|
|
#define AM_HAL_FLASH_H
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C"
|
||
|
|
{
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <stdbool.h>
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// Flash Program keys.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define AM_HAL_FLASH_PROGRAM_KEY 0x12344321
|
||
|
|
#define AM_HAL_FLASH_RECOVERY_KEY 0xA35C9B6D
|
||
|
|
#define AM_HAL_FLASH_INFO_KEY 0x12344321
|
||
|
|
#define AM_HAL_FLASH_OTP_KEY (AM_HAL_FLASH_INFO_KEY)
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// Some helpful flash values and macros.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define AM_HAL_FLASH_ADDR 0x00000000
|
||
|
|
#define AM_HAL_FLASH_PAGE_SIZE ( 8 * 1024 )
|
||
|
|
#define AM_HAL_FLASH_INFO_SIZE AM_HAL_FLASH_PAGE_SIZE
|
||
|
|
#define AM_HAL_FLASH_INSTANCE_SIZE ( 512 * 1024 )
|
||
|
|
#define AM_HAL_FLASH_INSTANCE_PAGES ( AM_HAL_FLASH_INSTANCE_SIZE / AM_HAL_FLASH_PAGE_SIZE )
|
||
|
|
#define AM_HAL_FLASH_TOTAL_SIZE ( AM_HAL_FLASH_INSTANCE_SIZE * 2 )
|
||
|
|
#define AM_HAL_FLASH_LARGEST_VALID_ADDR ( AM_HAL_FLASH_ADDR + AM_HAL_FLASH_TOTAL_SIZE - 1 )
|
||
|
|
|
||
|
|
//
|
||
|
|
// Convert an absolute flash address to a instance
|
||
|
|
//
|
||
|
|
#define AM_HAL_FLASH_ADDR2INST(addr) ( ( addr >> 19 ) & 1 )
|
||
|
|
|
||
|
|
//
|
||
|
|
// Convert an absolute flash address to a page number relative to the instance
|
||
|
|
//
|
||
|
|
#define AM_HAL_FLASH_ADDR2PAGE(addr) ( ( addr >> 13 ) & 0x3F )
|
||
|
|
|
||
|
|
//
|
||
|
|
// Convert an absolute flash address to an absolute page number
|
||
|
|
//
|
||
|
|
#define AM_HAL_FLASH_ADDR2ABSPAGE(addr) ( addr >> 13 )
|
||
|
|
|
||
|
|
//
|
||
|
|
// Given a number of microseconds, convert to a value representing the number of
|
||
|
|
// cycles that will give that delay. This macro is basically taking into account
|
||
|
|
// some of the call overhead.
|
||
|
|
// e.g. To provide a 2us delay:
|
||
|
|
// am_hal_flash_delay( FLASH_CYCLES_US(2) );
|
||
|
|
//
|
||
|
|
#define FLASH_CYCLES_US(n) ((n * (AM_HAL_CLKGEN_FREQ_MAX_MHZ / 3)) - 4)
|
||
|
|
|
||
|
|
//
|
||
|
|
// Backward compatibility
|
||
|
|
//
|
||
|
|
#define am_hal_flash_program_otp am_hal_flash_program_info
|
||
|
|
#define am_hal_flash_program_otp_sram am_hal_flash_program_info_sram
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// Structure of function pointers to helper functions for invoking various
|
||
|
|
// flash operations. The functions we are pointing to here are in the Apollo 2
|
||
|
|
// integrated BOOTROM.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
typedef struct am_hal_flash_helper_struct
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// The basics.
|
||
|
|
//
|
||
|
|
int (*flash_mass_erase)(uint32_t, uint32_t);
|
||
|
|
int (*flash_page_erase)(uint32_t, uint32_t, uint32_t);
|
||
|
|
int (*flash_program_main)(uint32_t, uint32_t *,
|
||
|
|
uint32_t*, uint32_t);
|
||
|
|
int (*flash_program_info)(uint32_t, uint32_t,
|
||
|
|
uint32_t*, uint32_t, uint32_t);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Non-blocking variants, but be careful these are not interrupt safe so
|
||
|
|
// mask interrupts while these very long operations proceed.
|
||
|
|
//
|
||
|
|
int (*flash_mass_erase_nb)(uint32_t, uint32_t);
|
||
|
|
int (*flash_page_erase_nb)(uint32_t, uint32_t, uint32_t);
|
||
|
|
bool (*flash_nb_operation_complete)(void);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Essentially these are recovery options.
|
||
|
|
//
|
||
|
|
int (*flash_erase_info)(uint32_t, uint32_t);
|
||
|
|
int (*flash_erase_main_plus_info)(uint32_t, uint32_t);
|
||
|
|
int (*flash_erase_main_plus_info_both_instances)(uint32_t);
|
||
|
|
void (*flash_recovery)(uint32_t);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Useful utilities.
|
||
|
|
//
|
||
|
|
uint32_t (*flash_util_read_word)(uint32_t*);
|
||
|
|
void (*flash_util_write_word)(uint32_t*, uint32_t);
|
||
|
|
void (*delay_cycles)(uint32_t);
|
||
|
|
|
||
|
|
//
|
||
|
|
// The following functions pointers will generally never be called from
|
||
|
|
// user programs. They are here primarily to document these entry points
|
||
|
|
// which are usable from a debugger or debugger script.
|
||
|
|
//
|
||
|
|
void (*flash_program_main_sram)(void);
|
||
|
|
void (*flash_program_info_sram)(void);
|
||
|
|
void (*flash_erase_main_pages_sram)(void);
|
||
|
|
void (*flash_mass_erase_sram)(void);
|
||
|
|
void (*flash_erase_info_sram)(void);
|
||
|
|
void (*flash_erase_main_plus_info_sram)(void);
|
||
|
|
} g_am_hal_flash_t;
|
||
|
|
extern g_am_hal_flash_t g_am_hal_flash;
|
||
|
|
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// Define some FLASH INFO SPACE values and macros.
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
#define AM_HAL_FLASH_INFO_ADDR 0x50020000
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_O 0x10
|
||
|
|
#define AM_HAL_FLASH_INFO_WRITPROT_O 0x20
|
||
|
|
#define AM_HAL_FLASH_INFO_COPYPROT_O 0x30
|
||
|
|
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_ADDR (AM_HAL_FLASH_INFO_ADDR + AM_HAL_FLASH_INFO_SECURITY_O)
|
||
|
|
#define AM_HAL_FLASH_INFO_WRITPROT_ADDR (AM_HAL_FLASH_INFO_ADDR + AM_HAL_FLASH_INFO_WRITPROT_O)
|
||
|
|
#define AM_HAL_FLASH_INFO_COPYPROT_ADDR (AM_HAL_FLASH_INFO_ADDR + AM_HAL_FLASH_INFO_COPYPROT_O)
|
||
|
|
|
||
|
|
//
|
||
|
|
// Define the customer info signature data (at AM_HAL_FLASH_INFO_ADDR).
|
||
|
|
// These bits must exist in the customer info space in order for many of the
|
||
|
|
// security and protection functions to work.
|
||
|
|
//
|
||
|
|
#define AM_HAL_FLASH_INFO_SIGNATURE0 0x48EAAD88
|
||
|
|
#define AM_HAL_FLASH_INFO_SIGNATURE1 0xC9705737
|
||
|
|
#define AM_HAL_FLASH_INFO_SIGNATURE2 0x0A6B8458
|
||
|
|
#define AM_HAL_FLASH_INFO_SIGNATURE3 0xE41A9D74
|
||
|
|
|
||
|
|
//
|
||
|
|
// Define the customer security bits (at AM_HAL_FLASH_INFO_SECURITY_ADDR)
|
||
|
|
//
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_DEBUGGERPROT_S 0
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_SWOCTRL_S 1
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_SRAMWIPE_S 2
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_FLASHWIPE_S 3
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_ENINFOPRGM_S 4
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_ENINFOERASE_S 8
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_BOOTLOADERSPIN_S 9
|
||
|
|
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_DEBUGGERPROT_M ((uint32_t)(0x1 << AM_HAL_FLASH_INFO_SECURITY_DEBUGGERPROT_S))
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_SWOCTRL_M ((uint32_t)(0x1 << AM_HAL_FLASH_INFO_SECURITY_SWOCTRL_S))
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_SRAMWIPE_M ((uint32_t)(0x1 << AM_HAL_FLASH_INFO_SECURITY_SRAMWIPE_S))
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_FLASHWIPE_M ((uint32_t)(0x1 << AM_HAL_FLASH_INFO_SECURITY_FLASHWIPE_S))
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_ENINFOPRGM_M ((uint32_t)(0xF << AM_HAL_FLASH_INFO_SECURITY_ENINFOPRGM_S))
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_ENINFOERASE_M ((uint32_t)(0x1 << AM_HAL_FLASH_INFO_SECURITY_ENINFOERASE_S))
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_BOOTLOADERSPIN_M ((uint32_t)(0x1 << AM_HAL_FLASH_INFO_SECURITY_BOOTLOADERSPIN_S))
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_DEEPSLEEP_M ((uint32_t)(0x1 << AM_HAL_FLASH_INFO_SECURITY_BOOTLOADERSPIN_S))
|
||
|
|
#define AM_HAL_FLASH_INFO_SECURITY_DEEPSLEEP ((uint32_t)(0x0 << AM_HAL_FLASH_INFO_SECURITY_BOOTLOADERSPIN_S))
|
||
|
|
|
||
|
|
//
|
||
|
|
// Protection chunk macros
|
||
|
|
// AM_HAL_FLASH_INFO_CHUNK2ADDR: Convert a chunk number to an address
|
||
|
|
// AM_HAL_FLASH_INFO_CHUNK2INST: Convert a chunk number to an instance number
|
||
|
|
// AM_HAL_FLASH_INFO_ADDR2CHUNK: Convert an address to a chunk number
|
||
|
|
//
|
||
|
|
#define AM_HAL_FLASH_INFO_CHUNKSIZE (16*1024)
|
||
|
|
|
||
|
|
#define AM_HAL_FLASH_INFO_CHUNK2ADDR(n) (AM_HAL_FLASH_ADDR + (n << 14))
|
||
|
|
#define AM_HAL_FLASH_INFO_CHUNK2INST(n) ((n >> 5) & 1
|
||
|
|
#define AM_HAL_FLASH_INFO_ADDR2CHUNK(n) ((n) >> 14)
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// Function prototypes for the helper functions
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|
||
|
|
extern int am_hal_flash_mass_erase(uint32_t ui32Value, uint32_t ui32FlashInst);
|
||
|
|
extern int am_hal_flash_page_erase(uint32_t ui32Value, uint32_t ui32FlashInst,
|
||
|
|
uint32_t ui32PageNum);
|
||
|
|
extern int am_hal_flash_program_main(uint32_t value, uint32_t *pSrc,
|
||
|
|
uint32_t *pDst, uint32_t NumberOfWords);
|
||
|
|
extern int am_hal_flash_program_info(uint32_t ui32Value, uint32_t ui32InfoInst,
|
||
|
|
uint32_t *pui32Src, uint32_t ui32Offset,
|
||
|
|
uint32_t ui32NumWords);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Recovery type functions for Customer INFO space.
|
||
|
|
//
|
||
|
|
extern int am_hal_flash_erase_info(uint32_t ui32ProgramKey,
|
||
|
|
uint32_t ui32Instance);
|
||
|
|
extern int am_hal_flash_erase_main_plus_info(uint32_t ui32ProgramKey,
|
||
|
|
uint32_t ui32Instance);
|
||
|
|
extern int am_hal_flash_erase_main_plus_info_both_instances(
|
||
|
|
uint32_t ui32ProgramKey);
|
||
|
|
extern void am_hal_flash_recovery(uint32_t ui32RecoveryKey);
|
||
|
|
|
||
|
|
//
|
||
|
|
// BOOTROM resident reader, writer and delay utility functions.
|
||
|
|
//
|
||
|
|
extern uint32_t am_hal_flash_load_ui32(uint32_t ui32Address);
|
||
|
|
extern void am_hal_flash_store_ui32(uint32_t ui32Address, uint32_t ui32Data);
|
||
|
|
extern void am_hal_flash_delay(uint32_t ui32Iterations);
|
||
|
|
|
||
|
|
//
|
||
|
|
// These functions update security/protection bits in the customer INFO blOCK.
|
||
|
|
//
|
||
|
|
extern bool am_hal_flash_customer_info_signature_check(void);
|
||
|
|
extern bool am_hal_flash_info_signature_set(void);
|
||
|
|
extern int32_t am_hal_flash_info_erase_disable(void);
|
||
|
|
extern bool am_hal_flash_info_erase_disable_check(void);
|
||
|
|
extern int32_t am_hal_flash_info_program_disable(uint32_t ui32Mask);
|
||
|
|
extern uint32_t am_hal_flash_info_program_disable_get(void);
|
||
|
|
extern int32_t am_hal_flash_wipe_flash_enable(void);
|
||
|
|
extern bool am_hal_flash_wipe_flash_enable_check(void);
|
||
|
|
extern int32_t am_hal_flash_wipe_sram_enable(void);
|
||
|
|
extern bool am_hal_flash_wipe_sram_enable_check(void);
|
||
|
|
extern int32_t am_hal_flash_swo_disable(void);
|
||
|
|
extern bool am_hal_flash_swo_disable_check(void);
|
||
|
|
extern int32_t am_hal_flash_debugger_disable(void);
|
||
|
|
extern bool am_hal_flash_debugger_disable_check(void);
|
||
|
|
|
||
|
|
extern int32_t am_hal_flash_copy_protect_set(uint32_t *pui32StartAddress,
|
||
|
|
uint32_t *pui32StopAddress);
|
||
|
|
extern bool am_hal_flash_copy_protect_check(uint32_t *pui32StartAddress,
|
||
|
|
uint32_t *pui32StopAddress);
|
||
|
|
extern int32_t am_hal_flash_write_protect_set(uint32_t *pui32StartAddress,
|
||
|
|
uint32_t *pui32StopAddress);
|
||
|
|
extern bool am_hal_flash_write_protect_check(uint32_t *pui32StartAddress,
|
||
|
|
uint32_t *pui32StopAddress);
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif // AM_HAL_FLASH_H
|
||
|
|
|
||
|
|
//*****************************************************************************
|
||
|
|
//
|
||
|
|
// End Doxygen group.
|
||
|
|
//! @}
|
||
|
|
//
|
||
|
|
//*****************************************************************************
|