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path: root/src/jtag/drivers/rlink_init.m4
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Diffstat (limited to 'src/jtag/drivers/rlink_init.m4')
-rw-r--r--src/jtag/drivers/rlink_init.m474
1 files changed, 74 insertions, 0 deletions
diff --git a/src/jtag/drivers/rlink_init.m4 b/src/jtag/drivers/rlink_init.m4
new file mode 100644
index 00000000..3e64523c
--- /dev/null
+++ b/src/jtag/drivers/rlink_init.m4
@@ -0,0 +1,74 @@
+m4_divert(`-1')
+/***************************************************************************
+ * Copyright (C) 2008 Lou Deluxe *
+ * lou.openocd012@fixit.nospammail.net *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+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