]>
git.ipfire.org Git - people/ms/u-boot.git/blob - drivers/spi/cadence_qspi.h
3 * Altera Corporation <www.altera.com>
5 * SPDX-License-Identifier: GPL-2.0+
8 #ifndef __CADENCE_QSPI_H__
9 #define __CADENCE_QSPI_H__
11 #define CQSPI_IS_ADDR(cmd_len) (cmd_len > 1 ? 1 : 0)
13 #define CQSPI_NO_DECODER_MAX_CS 4
14 #define CQSPI_DECODER_MAX_CS 16
15 #define CQSPI_READ_CAPTURE_MAX_DELAY 16
17 struct cadence_spi_platdata
{
26 /* Flash parameters */
35 struct cadence_spi_priv
{
43 unsigned int qspi_calibrated_hz
;
44 unsigned int qspi_calibrated_cs
;
45 unsigned int previous_hz
;
48 /* Functions call declaration */
49 void cadence_qspi_apb_controller_init(struct cadence_spi_platdata
*plat
);
50 void cadence_qspi_apb_controller_enable(void *reg_base_addr
);
51 void cadence_qspi_apb_controller_disable(void *reg_base_addr
);
53 int cadence_qspi_apb_command_read(void *reg_base_addr
,
54 unsigned int cmdlen
, const u8
*cmdbuf
, unsigned int rxlen
, u8
*rxbuf
);
55 int cadence_qspi_apb_command_write(void *reg_base_addr
,
56 unsigned int cmdlen
, const u8
*cmdbuf
,
57 unsigned int txlen
, const u8
*txbuf
);
59 int cadence_qspi_apb_indirect_read_setup(struct cadence_spi_platdata
*plat
,
60 unsigned int cmdlen
, unsigned int rx_width
, const u8
*cmdbuf
);
61 int cadence_qspi_apb_indirect_read_execute(struct cadence_spi_platdata
*plat
,
62 unsigned int rxlen
, u8
*rxbuf
);
63 int cadence_qspi_apb_indirect_write_setup(struct cadence_spi_platdata
*plat
,
64 unsigned int cmdlen
, const u8
*cmdbuf
);
65 int cadence_qspi_apb_indirect_write_execute(struct cadence_spi_platdata
*plat
,
66 unsigned int txlen
, const u8
*txbuf
);
68 void cadence_qspi_apb_chipselect(void *reg_base
,
69 unsigned int chip_select
, unsigned int decoder_enable
);
70 void cadence_qspi_apb_set_clk_mode(void *reg_base
, uint mode
);
71 void cadence_qspi_apb_config_baudrate_div(void *reg_base
,
72 unsigned int ref_clk_hz
, unsigned int sclk_hz
);
73 void cadence_qspi_apb_delay(void *reg_base
,
74 unsigned int ref_clk
, unsigned int sclk_hz
,
75 unsigned int tshsl_ns
, unsigned int tsd2d_ns
,
76 unsigned int tchsh_ns
, unsigned int tslch_ns
);
77 void cadence_qspi_apb_enter_xip(void *reg_base
, char xip_dummy
);
78 void cadence_qspi_apb_readdata_capture(void *reg_base
,
79 unsigned int bypass
, unsigned int delay
);
81 #endif /* __CADENCE_QSPI_H__ */