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author | Stefan Roese <sr@denx.de> | 2015-04-20 09:31:27 +0200 |
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committer | Luka Perkov <luka.perkov@sartura.hr> | 2015-07-23 10:38:14 +0200 |
commit | edb470253346f4a882ba9e891c8b102ce388b9cc (patch) | |
tree | 339a9b773b85f6f6780bcc75853838ca488f702d /arch/arm/mach-mvebu/serdes/a38x/seq_exec.h | |
parent | 29b103c733f6c17ecf8ee8d66140254788e2bdda (diff) | |
download | u-boot-imx-edb470253346f4a882ba9e891c8b102ce388b9cc.zip u-boot-imx-edb470253346f4a882ba9e891c8b102ce388b9cc.tar.gz u-boot-imx-edb470253346f4a882ba9e891c8b102ce388b9cc.tar.bz2 |
arm: mvebu: Add Armada 38x SERDES / PHY init code from Marvell bin_hdr
This code is ported from the Marvell bin_hdr code into mainline
SPL U-Boot. It needs to be executed very early so that the devices
connected to the serdes PHY are configured correctly.
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'arch/arm/mach-mvebu/serdes/a38x/seq_exec.h')
-rw-r--r-- | arch/arm/mach-mvebu/serdes/a38x/seq_exec.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/arm/mach-mvebu/serdes/a38x/seq_exec.h b/arch/arm/mach-mvebu/serdes/a38x/seq_exec.h new file mode 100644 index 0000000..14f406a --- /dev/null +++ b/arch/arm/mach-mvebu/serdes/a38x/seq_exec.h @@ -0,0 +1,65 @@ +/* + * Copyright (C) Marvell International Ltd. and its affiliates + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef _SEQ_EXEC_H +#define _SEQ_EXEC_H + +#define NA 0xff +#define DEFAULT_PARAM 0 +#define MV_BOARD_TCLK_ERROR 0xffffffff + +#define NO_DATA 0xffffffff +#define MAX_DATA_ARRAY 5 +#define FIRST_CELL 0 + +/* Operation types */ +enum mv_op { + WRITE_OP, + DELAY_OP, + POLL_OP, +}; + +/* Operation parameters */ +struct op_params { + u32 unit_base_reg; + u32 unit_offset; + u32 mask; + u32 data[MAX_DATA_ARRAY]; /* data array */ + u8 wait_time; /* msec */ + u16 num_of_loops; /* for polling only */ +}; + +/* + * Sequence parameters. Each sequence contains: + * 1. Sequence id. + * 2. Sequence size (total amount of operations during the sequence) + * 3. a series of operations. operations can be write, poll or delay + * 4. index in the data array (the entry where the relevant data sits) + */ +struct cfg_seq { + struct op_params *op_params_ptr; + u8 cfg_seq_size; + u8 data_arr_idx; +}; + +extern struct cfg_seq serdes_seq_db[]; + +/* + * A generic function type for executing an operation (write, poll or delay) + */ +typedef int (*op_execute_func_ptr)(u32 serdes_num, struct op_params *params, + u32 data_arr_idx); + +/* Specific functions for executing each operation */ +int write_op_execute(u32 serdes_num, struct op_params *params, + u32 data_arr_idx); +int delay_op_execute(u32 serdes_num, struct op_params *params, + u32 data_arr_idx); +int poll_op_execute(u32 serdes_num, struct op_params *params, u32 data_arr_idx); +enum mv_op get_cfg_seq_op(struct op_params *params); +int mv_seq_exec(u32 serdes_num, u32 seq_id); + +#endif /*_SEQ_EXEC_H*/ |