101 lines
2.3 KiB
C
101 lines
2.3 KiB
C
// Copyright 2020-2021 Beken
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <common/bk_include.h>
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#include <os/mem.h>
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#include <driver/efuse.h>
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#include "efuse_driver.h"
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#include "efuse_hal.h"
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#include "sys_driver.h"
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typedef struct {
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efuse_hal_t hal;
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} efuse_driver_t;
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#define EFUSE_ADDR_MAX_VALUE EFUSE_F_ADDR_V
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#define EFUSE_RETURN_ON_DRIVER_NOT_INIT() do {\
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if (!s_efuse_driver_is_init) {\
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return BK_ERR_EFUSE_DRIVER_NOT_INIT;\
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}\
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} while(0)
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#define EFUSE_RETURN_ON_ADDR_OUT_OF_RANGE(addr) do {\
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if ((addr) > EFUSE_ADDR_MAX_VALUE) {\
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return BK_ERR_EFUSE_ADDR_OUT_OF_RANGE;\
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}\
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} while(0)
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static efuse_driver_t s_efuse = {0};
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static bool s_efuse_driver_is_init = false;
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static void efuse_deinit_common(void)
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{
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efuse_hal_disable(&s_efuse.hal);
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efuse_hal_reset_config_to_default(&s_efuse.hal);
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}
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bk_err_t bk_efuse_driver_init(void)
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{
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if (s_efuse_driver_is_init) {
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return BK_OK;
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}
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os_memset(&s_efuse, 0, sizeof(s_efuse));
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efuse_hal_init(&s_efuse.hal);
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s_efuse_driver_is_init = true;
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#if (CONFIG_SYSTEM_CTRL)
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sys_drv_dev_clk_pwr_up(CLK_PWR_ID_EFUSE, CLK_PWR_CTRL_PWR_UP);
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#endif
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return BK_OK;
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}
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bk_err_t bk_efuse_driver_deinit(void)
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{
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if (!s_efuse_driver_is_init) {
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return BK_OK;
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}
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#if (CONFIG_SYSTEM_CTRL)
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sys_drv_dev_clk_pwr_up(CLK_PWR_ID_EFUSE, CLK_PWR_CTRL_PWR_DOWN);
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#endif
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efuse_deinit_common();
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s_efuse_driver_is_init = false;
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return BK_OK;
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}
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bk_err_t bk_efuse_write_byte(uint8_t addr, uint8_t data)
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{
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EFUSE_RETURN_ON_DRIVER_NOT_INIT();
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EFUSE_RETURN_ON_ADDR_OUT_OF_RANGE(addr);
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return efuse_hal_write(&s_efuse.hal, addr, data);
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}
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bk_err_t bk_efuse_read_byte(uint8_t addr, uint8_t *data)
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{
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int ret;
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EFUSE_RETURN_ON_DRIVER_NOT_INIT();
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EFUSE_RETURN_ON_ADDR_OUT_OF_RANGE(addr);
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ret = efuse_hal_read(&s_efuse.hal, addr, data);
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if(ret != BK_OK){
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return BK_ERR_EFUSE_READ_FAIL;
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}
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return BK_OK;
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}
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