63 lines
1.2 KiB
Plaintext
63 lines
1.2 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
#
|
|
# Copyright (C) 2008 Lou Deluxe
|
|
# lou.openocd012@fixit.nospammail.net
|
|
#
|
|
|
|
m4_divert(`-1')
|
|
|
|
m4_undefine(`CTRL_MPEG_L')
|
|
m4_undefine(`CTRL_CARD_L')
|
|
|
|
m4_ifelse(SHIFTER_PRESCALER, 1, `
|
|
m4_define(`CTRL_MPEG_L', `m4_eval(`0x8 | 0x0')')
|
|
')
|
|
m4_ifelse(SHIFTER_PRESCALER, 2, `
|
|
m4_define(`CTRL_MPEG_L', `m4_eval(`0x8 | 0x2')')
|
|
m4_define(`CTRL_CARD_L', `m4_eval(`0x8 | 0x1')')
|
|
')
|
|
m4_ifelse(SHIFTER_PRESCALER, 8, `
|
|
m4_define(`CTRL_MPEG_L', `m4_eval(`0x8 | 0x3')')
|
|
')
|
|
m4_ifelse(SHIFTER_PRESCALER, 11, `
|
|
m4_define(`CTRL_MPEG_L', `m4_eval(`0x8 | 0x4')')
|
|
')
|
|
m4_ifelse(SHIFTER_PRESCALER, 64, `
|
|
m4_define(`CTRL_MPEG_L', `m4_eval(`0x8 | 0x7')')
|
|
')
|
|
|
|
m4_ifdef(`CTRL_MPEG_L',,`
|
|
m4_errprint(`SHIFTER_PRESCALER was not defined with a supported value
|
|
') m4_m4exit(`1')
|
|
')
|
|
|
|
m4_divert(`0')m4_dnl
|
|
|
|
init:
|
|
A.H = 0
|
|
|
|
A.L = 0
|
|
|
|
DR_MPEG = A ; TDI and TCK start out low
|
|
DR_CARD = A ; TMS starts out low
|
|
|
|
A.L = 0x6
|
|
|
|
CTRL_FCI = A ; MPEG and CARD driven by FCI
|
|
DDR_MPEG = A ; TDI and TCK are outputs
|
|
|
|
A.L = 0x1
|
|
|
|
X = A ; X == 1
|
|
DDR_CARD = A ; TMS is output
|
|
|
|
A.L = CTRL_MPEG_L
|
|
CTRL_MPEG = A
|
|
m4_ifdef(`CTRL_CARD_L',
|
|
` A.L = 'CTRL_CARD_L`
|
|
')m4_dnl
|
|
CTRL_CARD = A
|
|
|
|
STATUS STOP
|