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# 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
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