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From a4413fe3ba94906243b632e0b9e0e9a91620dd22 Mon Sep 17 00:00:00 2001
From: "Corona, Ernesto" <ernesto.corona@intel.com>
Date: Fri, 1 Mar 2019 11:46:09 -0700
Subject: [PATCH] Update AST2500d JTAG driver. Step 1
Update AST2500d JTAG driver. Remove Legacy driver but keep headers.
Signed-off-by: Corona, Ernesto <ernesto.corona@intel.com>
---
include/uapi/linux/jtag_drv.h | 73 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 73 insertions(+)
create mode 100644 include/uapi/linux/jtag_drv.h
diff --git a/include/uapi/linux/jtag_drv.h b/include/uapi/linux/jtag_drv.h
new file mode 100644
index 000000000000..4df638f8fa43
--- /dev/null
+++ b/include/uapi/linux/jtag_drv.h
@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2012-2017 ASPEED Technology Inc. */
+/* Copyright (c) 2018 Intel Corporation */
+
+#ifndef __JTAG_DRV_H__
+#define __JTAG_DRV_H__
+
+enum xfer_mode {
+ HW_MODE = 0,
+ SW_MODE
+} xfer_mode;
+
+struct tck_bitbang {
+ __u8 tms;
+ __u8 tdi;
+ __u8 tdo;
+} __attribute__((__packed__));
+
+struct scan_xfer {
+ __u8 mode;
+ __u32 tap_state;
+ __u32 length;
+ __u8 *tdi;
+ __u32 tdi_bytes;
+ __u8 *tdo;
+ __u32 tdo_bytes;
+ __u32 end_tap_state;
+} __attribute__((__packed__));
+
+struct set_tck_param {
+ __u8 mode;
+ __u32 tck;
+} __attribute__((__packed__));
+
+struct get_tck_param {
+ __u8 mode;
+ __u32 tck;
+} __attribute__((__packed__));
+
+struct tap_state_param {
+ __u8 mode;
+ __u32 from_state;
+ __u32 to_state;
+} __attribute__((__packed__));
+
+enum jtag_states {
+ jtag_tlr,
+ jtag_rti,
+ jtag_sel_dr,
+ jtag_cap_dr,
+ jtag_shf_dr,
+ jtag_ex1_dr,
+ jtag_pau_dr,
+ jtag_ex2_dr,
+ jtag_upd_dr,
+ jtag_sel_ir,
+ jtag_cap_ir,
+ jtag_shf_ir,
+ jtag_ex1_ir,
+ jtag_pau_ir,
+ jtag_ex2_ir,
+ jtag_upd_ir
+} jtag_states;
+
+#define JTAGIOC_BASE 'T'
+
+#define AST_JTAG_SET_TCK _IOW(JTAGIOC_BASE, 3, struct set_tck_param)
+#define AST_JTAG_GET_TCK _IOR(JTAGIOC_BASE, 4, struct get_tck_param)
+#define AST_JTAG_BITBANG _IOWR(JTAGIOC_BASE, 5, struct tck_bitbang)
+#define AST_JTAG_SET_TAPSTATE _IOW(JTAGIOC_BASE, 6, struct tap_state_param)
+#define AST_JTAG_READWRITESCAN _IOWR(JTAGIOC_BASE, 7, struct scan_xfer)
+
+#endif
--
2.7.4
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