]>
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
{
30 struct cadence_spi_priv
{
38 unsigned int qspi_calibrated_hz
;
39 unsigned int qspi_calibrated_cs
;
42 /* Functions call declaration */
43 void cadence_qspi_apb_controller_init(struct cadence_spi_platdata
*plat
);
44 void cadence_qspi_apb_controller_enable(void *reg_base_addr
);
45 void cadence_qspi_apb_controller_disable(void *reg_base_addr
);
47 int cadence_qspi_apb_command_read(void *reg_base_addr
,
48 unsigned int cmdlen
, const u8
*cmdbuf
, unsigned int rxlen
, u8
*rxbuf
);
49 int cadence_qspi_apb_command_write(void *reg_base_addr
,
50 unsigned int cmdlen
, const u8
*cmdbuf
,
51 unsigned int txlen
, const u8
*txbuf
);
53 int cadence_qspi_apb_indirect_read_setup(struct cadence_spi_platdata
*plat
,
54 unsigned int cmdlen
, const u8
*cmdbuf
);
55 int cadence_qspi_apb_indirect_read_execute(struct cadence_spi_platdata
*plat
,
56 unsigned int rxlen
, u8
*rxbuf
);
57 int cadence_qspi_apb_indirect_write_setup(struct cadence_spi_platdata
*plat
,
58 unsigned int cmdlen
, const u8
*cmdbuf
);
59 int cadence_qspi_apb_indirect_write_execute(struct cadence_spi_platdata
*plat
,
60 unsigned int txlen
, const u8
*txbuf
);
62 void cadence_qspi_apb_chipselect(void *reg_base
,
63 unsigned int chip_select
, unsigned int decoder_enable
);
64 void cadence_qspi_apb_set_clk_mode(void *reg_base_addr
,
65 unsigned int clk_pol
, unsigned int clk_pha
);
66 void cadence_qspi_apb_config_baudrate_div(void *reg_base
,
67 unsigned int ref_clk_hz
, unsigned int sclk_hz
);
68 void cadence_qspi_apb_delay(void *reg_base
,
69 unsigned int ref_clk
, unsigned int sclk_hz
,
70 unsigned int tshsl_ns
, unsigned int tsd2d_ns
,
71 unsigned int tchsh_ns
, unsigned int tslch_ns
);
72 void cadence_qspi_apb_enter_xip(void *reg_base
, char xip_dummy
);
73 void cadence_qspi_apb_readdata_capture(void *reg_base
,
74 unsigned int bypass
, unsigned int delay
);
76 #endif /* __CADENCE_QSPI_H__ */