206 lines
6.6 KiB
C
206 lines
6.6 KiB
C
/*
|
|
* Copyright (c) 2016, Intel Corporation
|
|
* 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 Intel Corporation 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 INTEL CORPORATION 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 __QM_FPR_H__
|
|
#define __QM_FPR_H__
|
|
|
|
#include "qm_common.h"
|
|
#include "qm_soc_regs.h"
|
|
|
|
/**
|
|
* Flash Protection Region control.
|
|
*
|
|
* @defgroup groupFPR FPR
|
|
* @{
|
|
*/
|
|
typedef void (*qm_fpr_callback_t)(void *data);
|
|
|
|
/**
|
|
* FPR enable type.
|
|
*/
|
|
typedef enum {
|
|
QM_FPR_DISABLE, /**< Disable FPR. */
|
|
QM_FPR_ENABLE, /**< Enable FPR. */
|
|
QM_FPR_LOCK_DISABLE, /**< Disable FPR lock. */
|
|
QM_FPR_LOCK_ENABLE /**< Enable FPR lock. */
|
|
} qm_fpr_en_t;
|
|
|
|
/**
|
|
* FPR violation mode type.
|
|
*/
|
|
typedef enum {
|
|
FPR_VIOL_MODE_INTERRUPT = 0, /**< Generate interrupt on violation. */
|
|
FPR_VIOL_MODE_RESET, /**< Reset SoC on violation. */
|
|
FPR_VIOL_MODE_PROBE /**< Enter probe mode on violation. */
|
|
} qm_fpr_viol_mode_t;
|
|
|
|
/**
|
|
* FPR region type.
|
|
*/
|
|
typedef enum {
|
|
QM_MAIN_FLASH_SYSTEM = 0, /**< System flash region. */
|
|
#if (QUARK_D2000)
|
|
QM_MAIN_FLASH_DATA, /**< Data flash region. */
|
|
#endif
|
|
QM_MAIN_FLASH_NUM, /**< Number of flash regions. */
|
|
} qm_flash_region_type_t;
|
|
|
|
/**
|
|
* FPR read allow type.
|
|
*/
|
|
typedef enum {
|
|
QM_FPR_HOST_PROCESSOR =
|
|
BIT(0), /**< Allow host processor to access flash region. */
|
|
#if (QUARK_SE)
|
|
QM_FPR_SENSOR_SUBSYSTEM =
|
|
BIT(1), /**< Allow sensor subsystem to access flash region. */
|
|
#endif
|
|
QM_FPR_DMA = BIT(2), /**< Allow DMA to access flash region. */
|
|
#if (QUARK_SE)
|
|
QM_FPR_OTHER_AGENTS =
|
|
BIT(3) /**< Allow other agents to access flash region. */
|
|
#endif
|
|
} qm_fpr_read_allow_t;
|
|
|
|
/**
|
|
* Flash Protection Region configuration structure.
|
|
*/
|
|
typedef struct {
|
|
qm_fpr_en_t en_mask; /**< Enable/lock bitmask. */
|
|
qm_fpr_read_allow_t allow_agents; /**< Per-agent read enable bitmask. */
|
|
uint8_t up_bound; /**< 1KB-aligned upper Flash phys addr. */
|
|
uint8_t low_bound; /**< 1KB-aligned lower Flash phys addr. */
|
|
} qm_fpr_config_t;
|
|
|
|
#define QM_FPR_FPR0_REG_OFFSET (7)
|
|
|
|
#define QM_FPR_WRITE_LOCK_OFFSET (31)
|
|
#define QM_FPR_ENABLE_OFFSET (30)
|
|
#define QM_FPR_ENABLE_MASK BIT(QM_FPR_ENABLE_OFFSET)
|
|
#define QM_FPR_RD_ALLOW_OFFSET (20)
|
|
#define QM_FPR_RD_ALLOW_MASK (0xF00000)
|
|
#define QM_FPR_UPPER_BOUND_OFFSET (10)
|
|
#define QM_FPR_UPPER_BOUND_MASK (0x3FC00)
|
|
#define QM_FPR_LOW_BOUND_MASK (0xFF)
|
|
#define QM_FPR_MPR_VSTS_VALID BIT(31)
|
|
|
|
#define QM_FPR_LOCK BIT(31)
|
|
|
|
#define QM_FPR_EN_MASK_ENABLE BIT(0)
|
|
#define QM_FPR_EN_MASK_LOCK BIT(1)
|
|
#define QM_FPR_AGENT_MASK_HOST BIT(0)
|
|
#define QM_FPR_AGENT_MASK_SS BIT(1)
|
|
#define QM_FPR_AGENT_MASK_DMA BIT(2)
|
|
#define QM_FPR_AGENT_MASK_OTHER BIT(3)
|
|
|
|
/**
|
|
* Configure a Flash controller's Flash Protection Region.
|
|
*
|
|
* @param[in] flash Which Flash controller to configure.
|
|
* @param[in] id FPR identifier.
|
|
* @param[in] cfg FPR configuration.
|
|
* @param[in] region The region of Flash to be configured.
|
|
*
|
|
* @return Standard errno return type for QMSI.
|
|
* @retval 0 on success.
|
|
* @retval Negative @ref errno for possible error codes.
|
|
*/
|
|
int qm_fpr_set_config(const qm_flash_t flash, const qm_fpr_id_t id,
|
|
const qm_fpr_config_t *const cfg,
|
|
const qm_flash_region_type_t region);
|
|
|
|
/**
|
|
* Configure FPR violation behaviour.
|
|
*
|
|
* @param[in] mode (generate interrupt, warm reset, enter probe mode).
|
|
* @param[in] flash controller.
|
|
* @param[in] fpr_cb for interrupt mode (only).
|
|
* @param[in] data user callback data for interrupt mode (only).
|
|
*
|
|
* @return Standard errno return type for QMSI.
|
|
* @retval 0 on success.
|
|
* @retval Negative @ref errno for possible error codes.
|
|
*/
|
|
int qm_fpr_set_violation_policy(const qm_fpr_viol_mode_t mode,
|
|
const qm_flash_t flash,
|
|
qm_fpr_callback_t fpr_cb, void *data);
|
|
|
|
#if (ENABLE_RESTORE_CONTEXT)
|
|
/**
|
|
* Save FPR context.
|
|
*
|
|
* Save the configuration of the specified FPR peripheral
|
|
* before entering sleep.
|
|
* The Flash peripheral linked to the FPR saved needs
|
|
* to be saved as well by calling qm_flash_save_context().
|
|
*
|
|
* FPR configuration is lost after sleep and can therefore
|
|
* be modified even if this configuration was locked before sleep.
|
|
* To support persistent configuration, the configuration must be
|
|
* restored when resuming as part of the bootloader.
|
|
*
|
|
* @param[in] flash Flash index.
|
|
* @param[out] ctx FPR context structure. This must not be NULL.
|
|
*
|
|
* @return Standard errno return type for QMSI.
|
|
* @retval 0 on success.
|
|
* @retval Negative @ref errno for possible error codes.
|
|
*/
|
|
int qm_fpr_save_context(const qm_flash_t flash, qm_fpr_context_t *const ctx);
|
|
|
|
/**
|
|
* Restore FPR context.
|
|
*
|
|
* Restore the configuration of the specified FPR peripheral
|
|
* after exiting sleep.
|
|
* The Flash peripheral linked to the FPR restored needs
|
|
* to be restored as well by calling qm_flash_restore_context().
|
|
*
|
|
* FPR configuration is lost after sleep and can therefore
|
|
* be modified even if this configuration was locked before sleep.
|
|
* To support persistent configuration, the configuration must be
|
|
* restored when resuming as part of the bootloader.
|
|
*
|
|
* @param[in] flash Flash index.
|
|
* @param[in] ctx FPR context structure. This must not be NULL.
|
|
*
|
|
* @return Standard errno return type for QMSI.
|
|
* @retval 0 on success.
|
|
* @retval Negative @ref errno for possible error codes.
|
|
*/
|
|
int qm_fpr_restore_context(const qm_flash_t flash,
|
|
const qm_fpr_context_t *const ctx);
|
|
#endif /* ENABLE_RESTORE_CONTEXT */
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#endif /* __QM_FPR_H__ */
|