diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0028-Add-AST2500-JTAG-driver.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0028-Add-AST2500-JTAG-driver.patch | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0028-Add-AST2500-JTAG-driver.patch b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0028-Add-AST2500-JTAG-driver.patch new file mode 100644 index 000000000..45dec5b20 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0028-Add-AST2500-JTAG-driver.patch @@ -0,0 +1,95 @@ +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] Add AST2500 JTAG driver + +Update AST2500 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 + |