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fel_lib.h
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fel_lib.h
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/*
* Copyright (C) 2016 Bernhard Nortmann <[email protected]>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SUNXI_TOOLS_FEL_LIB_H
#define _SUNXI_TOOLS_FEL_LIB_H
#include <stdbool.h>
#include <stdint.h>
#include "progress.h"
#include "soc_info.h"
/* USB identifiers for Allwinner device in FEL mode */
#define AW_USB_VENDOR_ID 0x1F3A
#define AW_USB_PRODUCT_ID 0xEFE8
typedef struct _felusb_handle felusb_handle; /* opaque data type */
/* More general FEL "device" handle, including version data and SoC info */
typedef struct {
felusb_handle *usb;
struct aw_fel_version soc_version;
soc_name_t soc_name;
soc_info_t *soc_info;
} feldev_handle;
/* list_fel_devices() will return an array of this type */
typedef struct {
int busnum, devnum;
struct aw_fel_version soc_version;
soc_name_t soc_name;
soc_info_t *soc_info;
uint32_t SID[4];
} feldev_list_entry;
/* FEL device management */
void feldev_init(void);
void feldev_done(feldev_handle *dev);
feldev_handle *feldev_open(int busnum, int devnum,
uint16_t vendor_id, uint16_t product_id);
void feldev_close(feldev_handle *dev);
feldev_list_entry *list_fel_devices(size_t *count);
/* FEL functions */
void aw_fel_read(feldev_handle *dev, uint32_t offset, void *buf, size_t len);
void aw_fel_write(feldev_handle *dev, void *buf, uint32_t offset, size_t len);
void aw_fel_write_buffer(feldev_handle *dev, void *buf, uint32_t offset,
size_t len, bool progress);
void aw_fel_execute(feldev_handle *dev, uint32_t offset);
void fel_readl_n(feldev_handle *dev, uint32_t addr, uint32_t *dst, size_t count);
void fel_writel_n(feldev_handle *dev, uint32_t addr, uint32_t *src, size_t count);
void fel_memmove(feldev_handle *dev,
uint32_t dst_addr, uint32_t src_addr, size_t size);
void fel_clrsetbits_le32(feldev_handle *dev,
uint32_t addr, uint32_t clrbits, uint32_t setbits);
#define fel_clrbits_le32(dev, addr, value) \
fel_clrsetbits_le32(dev, addr, value, 0)
#define fel_setbits_le32(dev, addr, value) \
fel_clrsetbits_le32(dev, addr, 0, value)
/* retrieve SID root key */
bool fel_get_sid_root_key(feldev_handle *dev, uint32_t *result,
bool force_workaround);
bool aw_fel_remotefunc_prepare(feldev_handle *dev,
size_t stack_size,
void *arm_code,
size_t arm_code_size,
size_t num_args,
uint32_t *args);
bool aw_fel_remotefunc_execute(feldev_handle *dev, uint32_t *result);
#endif /* _SUNXI_TOOLS_FEL_LIB_H */