huxi
102 lines
3.0 KiB
C
102 lines
3.0 KiB
C
#ifndef __ESPI_H__
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#define __ESPI_H__
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#include "typedef.h"
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#include "generic/ioctl.h"
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#define ESPI_PORTA_CS IO_PORTC_06 //pd0
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#define ESPI_PORTA_CLK IO_PORTC_05 //pd4
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#define ESPI_PORTA_D0 IO_PORTC_09
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#define ESPI_PORTA_D1 IO_PORTC_07
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#define ESPI_PORTA_D2 IO_PORTC_08
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#define ESPI_PORTA_D3 IO_PORTC_04
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#define ESPI_STAGE_DIS 0
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#define ESPI_1_LINE 1
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#define ESPI_2_LINE 2
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#define ESPI_4_LINE 3
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#define ESPI_8_LINE 4
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#define ESPI_INST_8_BIT 0
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#define ESPI_INST_16_BIT 1
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#define ESPI_INST_24_BIT 2
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#define ESPI_INST_32_BIT 3
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#define ESPI_STR 0
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#define ESPI_DTR 1
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#define ESPI_WRITE_MODE 0
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#define ESPI_READ_MODE 1
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#define ESPI_MMP_MODE 2
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#define ESPI_MMP_CACHE_ADDR2FLASH_ADDR(x) ((x)&0x7ffffff)//64Mb
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#define ESPI_FLASH_ADDR2MMP_CACHE_ADDR(x) ((x)+0x8000000)//64Mb
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struct espi_io_t {
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u32 data;
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u16 len: 4;
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u16 dtr: 1;
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u16 line: 3;
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};
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struct espi_data_t {
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u16 len: 4;
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u16 dtr: 1;
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u16 line: 3;
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u8 data[8];
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};
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struct espi_control {
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u8 width[4];
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u8 cmd;
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u8 dummy;
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};
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struct psram_trim_cfg {
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u16 adapt;
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u8 phase;
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};
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void hw_open_espi_power(u8 power_io, u8 power_level, u16 wait_us, u8 espi_width);
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void hw_close_espi_power(u8 power_io, u8 power_level, u16 wait_us);
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void espi_cpu_mode_resume(void);
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void espi_cpu_mode_suspend(void);
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u8 espi_get_cpu_mode(void);
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u32 clock_espi_switching(u32 espi_io_freq);
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void espi_hw_init(u32 espi_io_freq, u8 tshsl, u8 page_size, u8 width);
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void espi_hw_clk_change(u8 read, u32 clk);
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void espi_hw_manual_cs_out(u8 sta);
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void espi_hw_cs_io_cfg(u8 en);
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void espi_hw_clk_io_cfg(u8 en);
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void espi_hw_resume_cfg(void);
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void espi_hw_suspend_cfg(void);
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void espi_wait_pnd(void);
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void update_psram_trim_cfg(const struct psram_trim_cfg *cfg);
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void espi_hw_ioctrl(const struct espi_io_t *const instruction,
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const struct espi_io_t *const address,
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const struct espi_io_t *const alby,
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const struct espi_data_t *const tx_data,
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struct espi_data_t *const rx_data,
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u32 dummy_cycle);
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void espi_hw_ioctrl_read(const struct espi_io_t *const inst,
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const struct espi_io_t *const address,
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struct espi_data_t *const rx_data,
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u32 dummy_cycle);
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void espi_hw_ioctrl_write(const struct espi_io_t *const inst,
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const struct espi_io_t *const address,
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const struct espi_data_t *const tx_data,
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u32 dummy_cycle);
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void espi_hw_send_cmd(const struct espi_io_t *const inst);
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void espi_hw_transfer_data_cfg(struct espi_data_t *const data, u8 dir);//dir:0:tx; 1:rx
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void espi_hw_transfer_data(u32 *data, u8 len, u8 dir);//dir:0:tx; 1:rx
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void espi_mmp_mode_xn_init(const struct espi_control *r_cmd, const struct espi_control *w_cmd, u8 is4byte_mode);//no continue no write
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void espi_hw_info_dump();
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#endif /*ESPI_H*/
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