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Add W6300 ethernet initialization

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This commit is contained in:
Ian Gulliver
2026-04-03 21:47:48 +09:00
parent d6541a76ed
commit 577fc6d774
15 changed files with 11066 additions and 2 deletions
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95
lib/w6300/wizchip_qspi_pio.pio Normal file
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;
; Copyright (c) 2023 Raspberry Pi (Trading) Ltd.
;
; SPDX-License-Identifier: BSD-3-Clause
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Normal SPI for W55RP20
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.program wiznet_spi_write_read
.side_set 1
public write_bits:
out pins, 1 side 0
jmp x-- write_bits side 1
set pins 0 side 0
public write_end:
read_byte_delay:
set pindirs 0 side 0
read_byte:
set x 6 side 1
read_bits:
in pins, 1 side 0
jmp x-- read_bits side 1
in pins, 1 side 0
jmp y-- read_byte side 0
public read_end:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; QSPI Single for W6300
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.program wizchip_pio_spi_single_write_read
.side_set 1
public write_bits:
out pins, 1 side 0
jmp x-- write_bits side 1
set pins 0 side 0
public write_bits_end:
read_byte_delay:
set pindirs 0 side 0
read_byte:
set x 6 side 1
read_bits:
in pins, 1 side 0
jmp x-- read_bits side 1
in pins, 1 side 0
jmp y-- read_byte side 0
public read_bits_end:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; QSPI Dual for W6300
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.program wizchip_pio_spi_dual_write_read
.side_set 1
public write_bits:
out pins, 2 side 0
jmp x-- write_bits side 1
set pins 0 side 0
public write_bits_end:
read_byte_delay:
set pindirs 0 side 0
read_byte:
set x 2 side 1
read_bits:
in pins, 2 side 0
jmp x-- read_bits side 1
in pins, 2 side 0
jmp y-- read_byte side 0
public read_bits_end:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; QSPI Quad for W6300
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.program wizchip_pio_spi_quad_write_read
.side_set 1
write_bits:
out pins, 4 side 0
jmp x-- write_bits side 1
set pins 0 side 0
public write_bits_end:
read_byte_delay:
set pindirs 0 side 0
read_byte:
set x 0 side 1
read_bits:
in pins, 4 side 0
jmp x-- read_bits side 1
in pins, 4 side 0
jmp y-- read_byte side 0
public read_bits_end: