--- /dev/null
+/******************************************************************************
+*
+* Copyright (C) 2016-2018 Texas Instruments Incorporated - http://www.ti.com/
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions
+* are met:
+*
+* Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+*
+* 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.
+*
+* Neither the name of Texas Instruments Incorporated 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
+* OWNER 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.
+*
+******************************************************************************/
+
+#ifndef OPENOCD_LOADERS_FLASH_CC26XX_FLASH_H
+#define OPENOCD_LOADERS_FLASH_CC26XX_FLASH_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "hw_regs.h"
+
+/* Location of flash in memory map */
+#define FLASHMEM_BASE 0
+
+/* Defines to access flash API calls in ROM */
+#define ROM_API_TABLE ((uint32_t *) 0x10000180)
+#define ROM_VERSION (ROM_API_TABLE[0])
+#define ROM_API_FLASH_TABLE ((uint32_t *) (ROM_API_TABLE[10]))
+
+#if defined(DEVICE_CC26X2)
+
+/* Agama (CC26x2) specific definitions */
+
+#define FLASH_ERASE_SIZE 8192
+/* Agama (and Agama 1M) has a maximum of 132 flash sectors (1056KB / 8KB) */
+#define FLASH_MAX_SECTOR_COUNT 132
+#define FLASH_SECTOR_BASE_M 0xFFFFE000
+
+/* Bootloader Configuration */
+#define CCFG_O_BL_CONFIG 0x00001FD8
+
+#elif defined(DEVICE_CC26X0)
+
+/* Chameleon (CC26x0) specific definitions */
+
+#define FLASH_ERASE_SIZE 4096
+/* Chameleon has a maximum of 32 flash sectors (128KB / 4KB) */
+#define FLASH_MAX_SECTOR_COUNT 32
+#define FLASH_SECTOR_BASE_M 0xFFFFF000
+
+/* Bootloader Configuration */
+#define CCFG_O_BL_CONFIG 0x00000FD8
+
+#else
+#error No DEVICE defined.
+#endif
+
+/******************************************************************************
+*
+* Values that can be returned from the API functions
+*
+******************************************************************************/
+#define FAPI_STATUS_SUCCESS 0x00000000 /* Function completed successfully */
+#define FAPI_STATUS_FSM_BUSY 0x00000001 /* FSM is Busy */
+#define FAPI_STATUS_FSM_READY 0x00000002 /* FSM is Ready */
+#define FAPI_STATUS_INCORRECT_DATABUFFER_LENGTH \
+ 0x00000003 /* Incorrect parameter value */
+#define FAPI_STATUS_FSM_ERROR 0x00000004 /* Operation failed */
+
+/******************************************************************************
+*
+* Define used by the flash programming and erase functions
+*
+******************************************************************************/
+#define ADDR_OFFSET (0x1F800000 - FLASHMEM_BASE)
+
+/******************************************************************************
+*
+* Define used for access to factory configuration area.
+*
+******************************************************************************/
+#define FCFG1_OFFSET 0x1000
+
+/******************************************************************************
+*
+* Define for the clock frequencey input to the flash module in number of MHz
+*
+******************************************************************************/
+#define FLASH_MODULE_CLK_FREQ 48
+
+/******************************************************************************
+*
+* Defined values for Flash State Machine commands
+*
+******************************************************************************/
+typedef enum {
+ FAPI_PROGRAM_DATA = 0x0002, /* Program data. */
+ FAPI_ERASE_SECTOR = 0x0006, /* Erase sector. */
+ FAPI_ERASE_BANK = 0x0008, /* Erase bank. */
+ FAPI_VALIDATE_SECTOR = 0x000E, /* Validate sector. */
+ FAPI_CLEAR_STATUS = 0x0010, /* Clear status. */
+ FAPI_PROGRAM_RESUME = 0x0014, /* Program resume. */
+ FAPI_ERASE_RESUME = 0x0016, /* Erase resume. */
+ FAPI_CLEAR_MORE = 0x0018, /* Clear more. */
+ FAPI_PROGRAM_SECTOR = 0x0020, /* Program sector. */
+ FAPI_ERASE_OTP = 0x0030 /* Erase OTP. */
+} flash_state_command_t;
+
+/******************************************************************************
+*
+* Defines for values written to the FLASH_O_FSM_WR_ENA register
+*
+******************************************************************************/
+#define FSM_REG_WRT_ENABLE 5
+#define FSM_REG_WRT_DISABLE 2
+
+/******************************************************************************
+*
+* Defines for the bank power mode field the FLASH_O_FBFALLBACK register
+*
+******************************************************************************/
+#define FBFALLBACK_SLEEP 0
+#define FBFALLBACK_DEEP_STDBY 1
+#define FBFALLBACK_ACTIVE 3
+
+/******************************************************************************
+*
+* Defines for the bank grace period and pump grace period
+*
+******************************************************************************/
+#define FLASH_BAGP 0x14
+#define FLASH_PAGP 0x14
+
+/******************************************************************************
+*
+* Defines for the FW flag bits in the FLASH_O_FWFLAG register
+*
+******************************************************************************/
+#define FW_WRT_TRIMMED 0x00000001
+
+/******************************************************************************
+*
+* Defines used by the flash programming functions
+*
+******************************************************************************/
+typedef volatile uint8_t fwp_write_byte;
+#define FWPWRITE_BYTE_ADDRESS \
+ ((fwp_write_byte *)((FLASH_BASE + FLASH_O_FWPWRITE0)))
+
+/******************************************************************************
+*
+* Define for FSM command execution
+*
+******************************************************************************/
+#define FLASH_CMD_EXEC 0x15
+
+/******************************************************************************
+*
+* Get size of a flash sector in number of bytes.
+*
+* This function will return the size of a flash sector in number of bytes.
+*
+* Returns size of a flash sector in number of bytes.
+*
+******************************************************************************/
+static inline uint32_t flash_sector_size_get(void)
+{
+ uint32_t sector_size_in_kbyte;
+
+ sector_size_in_kbyte = (HWREG(FLASH_BASE + FLASH_O_FCFG_B0_SSIZE0) &
+ FLASH_FCFG_B0_SSIZE0_B0_SECT_SIZE_M) >>
+ FLASH_FCFG_B0_SSIZE0_B0_SECT_SIZE_S;
+
+ /* Return flash sector size in number of bytes. */
+ return sector_size_in_kbyte * 1024;
+}
+
+/******************************************************************************
+*
+* Get the size of the flash.
+*
+* This function returns the size of the flash main bank in number of bytes.
+*
+* Returns the flash size in number of bytes.
+*
+******************************************************************************/
+static inline uint32_t flash_size_get(void)
+{
+ uint32_t num_of_sectors;
+
+ /* Get number of flash sectors */
+ num_of_sectors = (HWREG(FLASH_BASE + FLASH_O_FLASH_SIZE) &
+ FLASH_FLASH_SIZE_SECTORS_M) >>
+ FLASH_FLASH_SIZE_SECTORS_S;
+
+ /* Return flash size in number of bytes */
+ return num_of_sectors * flash_sector_size_get();
+}
+
+/******************************************************************************
+*
+* Checks if the Flash state machine has detected an error.
+*
+* This function returns the status of the Flash State Machine indicating if
+* an error is detected or not. Primary use is to check if an Erase or
+* Program operation has failed.
+*
+* Please note that code can not execute in flash while any part of the flash
+* is being programmed or erased. This function must be called from ROM or
+* SRAM while any part of the flash is being programmed or erased.
+*
+* Returns status of Flash state machine:
+* FAPI_STATUS_FSM_ERROR
+* FAPI_STATUS_SUCCESS
+*
+******************************************************************************/
+static inline uint32_t flash_check_fsm_for_error(void)
+{
+ if (HWREG(FLASH_BASE + FLASH_O_FMSTAT) & FLASH_FMSTAT_CSTAT)
+ return FAPI_STATUS_FSM_ERROR;
+ else
+ return FAPI_STATUS_SUCCESS;
+}
+
+/******************************************************************************
+*
+* Checks if the Flash state machine is ready.
+*
+* This function returns the status of the Flash State Machine indicating if
+* it is ready to accept a new command or not. Primary use is to check if an
+* Erase or Program operation has finished.
+*
+* Please note that code can not execute in flash while any part of the flash
+* is being programmed or erased. This function must be called from ROM or
+* SRAM while any part of the flash is being programmed or erased.
+*
+* Returns readiness status of Flash state machine:
+* FAPI_STATUS_FSM_READY
+* FAPI_STATUS_FSM_BUSY
+*
+******************************************************************************/
+static inline uint32_t flash_check_fsm_for_ready(void)
+{
+ if (HWREG(FLASH_BASE + FLASH_O_STAT) & FLASH_STAT_BUSY)
+ return FAPI_STATUS_FSM_BUSY;
+ else
+ return FAPI_STATUS_FSM_READY;
+}
+
+/******************************************************************************
+*
+* Erase a flash sector.
+*
+* This function will erase the specified flash sector. The function will
+* not return until the flash sector has been erased or an error condition
+* occurred. If flash top sector is erased the function will program the
+* the device security data bytes with default values. The device security
+* data located in the customer configuration area of the flash top sector,
+* must have valid values at all times. These values affect the configuration
+* of the device during boot.
+*
+* Please note that code can not execute in flash while any part of the flash
+* is being programmed or erased. This function must only be executed from ROM
+* or SRAM.
+*
+* sector_address is the starting address in flash of the sector to be
+* erased.
+*
+* Returns the status of the sector erase:
+* FAPI_STATUS_SUCCESS : Success.
+* FAPI_STATUS_INCORRECT_DATABUFFER_LENGTH : Invalid argument.
+* FAPI_STATUS_FSM_ERROR : Programming error was encountered.
+*
+******************************************************************************/
+extern uint32_t flash_sector_erase(uint32_t sector_address);
+
+/******************************************************************************
+*
+* Erase all unprotected sectors in the flash main bank.
+*
+* This function will erase all unprotected flash sectors. The function will
+* not return until the flash sectors has been erased or an error condition
+* occurred. Since the flash top sector is erased the function will program the
+* the device security data bytes with default values. The device security
+* data located in the customer configuration area of the flash top sector,
+* must have valid values at all times. These values affect the configuration
+* of the device during boot. The execution time of the operation increases if
+* erase precondition is forced. This will cause the flash module to first
+* program all 1 bits in the bank to 0 before the actual erase is started.
+*
+* force_precondition controls if erase precondition should be forced.
+*
+* Returns the status of the sector erase:
+* FAPI_STATUS_SUCCESS : Success
+* FAPI_STATUS_FSM_ERROR : Erase error was encountered.
+*
+******************************************************************************/
+extern uint32_t flash_bank_erase(bool force_precondition);
+
+/******************************************************************************
+*
+* Programs unprotected main bank flash sectors.
+*
+* This function will program a sequence of bytes into the on-chip flash.
+* Programming each location consists of the result of an AND operation
+* of the new data and the existing data; in other words bits that contain
+* 1 can remain 1 or be changed to 0, but bits that are 0 cannot be changed
+* to 1. Therefore, a byte can be programmed multiple times as long as these
+* rules are followed; if a program operation attempts to change a 0 bit to
+* a 1 bit, that bit will not have its value changed.
+*
+* This function will not return until the data has been programmed or an
+* programming error has occurred.
+*
+* Please note that code can not execute in flash while any part of the flash
+* is being programmed or erased. This function must only be executed from ROM
+* or SRAM.
+*
+* The data_buffer pointer cannot point to flash.
+*
+* data_buffer is a pointer to the data to be programmed.
+* address is the starting address in flash to be programmed.
+* count is the number of bytes to be programmed.
+*
+* Returns status of the flash programming:
+* FAPI_STATUS_SUCCESS : Success.
+* FAPI_STATUS_INCORRECT_DATABUFFER_LENGTH : Too many bytes were requested.
+* FAPI_STATUS_FSM_ERROR : Programming error was encountered.
+*
+******************************************************************************/
+extern uint32_t flash_program(uint8_t *data_buffer, uint32_t address,
+ uint32_t count);
+
+/******************************************************************************
+*
+* Disables all sectors for erase and programming on the active bank.
+*
+* This function disables all sectors for erase and programming on the active
+* bank and enables the Idle Reading Power reduction mode if no low power
+* mode is configured. Furthermore, an additional level of protection from
+* erase is enabled.
+*
+* Please note that code can not execute in flash while any part of the flash
+* is being programmed or erased.
+*
+******************************************************************************/
+extern void flash_disable_sectors_for_write(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* #ifndef OPENOCD_LOADERS_FLASH_CC26XX_FLASH_H */
projects / openocd / blobdiff