bsp/tms570: Add errata SSWF021#45 handling

Update #4982.

2 files changed, 62 insertions, 0 deletions

diff --git a/bsps/arm/tms570/include/bsp/ti_herc/errata_SSWF021_45.h b/bsps/arm/tms570/include/bsp/ti_herc/errata_SSWF021_45.h
new file mode 100755
index 0000000000..e1821f8e6e
--- /dev/null
+++ b/bsps/arm/tms570/include/bsp/ti_herc/errata_SSWF021_45.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsARMTMS570
+ *
+ * @brief This header file provides errata SSWF021#45 interfaces.
+ *
+ * Pulled in from Halcogen v4.7.1.  This is a rare but high-severity errata
+ * that should always be checked for at system start.
+ */
+
+/* 
+* Copyright (C) 2009-2018 Texas Instruments Incorporated - www.ti.com  
+* 
+* 
+*  Redistribution and use in source and binary forms, with or without 
+*  modification, are permitted provided that the following conditions 
+*  are met:
+*
+*    Redistributions of source code must retain the above copyright 
+*    notice, this list of conditions and the following disclaimer.
+*
+*    Redistributions in binary form must reproduce the above copyright
+*    notice, this list of conditions and the following disclaimer in the 
+*    documentation and/or other materials provided with the   
+*    distribution.
+*
+*    Neither the name of Texas Instruments Incorporated nor the names of
+*    its contributors may be used to endorse or promote products derived
+*    from this software without specific prior written permission.
+*
+*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
+*  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
+*  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+*  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
+*  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+*  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
+*  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+*  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+*  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+*  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+*  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+*/
+#ifndef INCLUDE_ERRATA_SSWF021_45_H_
+#define INCLUDE_ERRATA_SSWF021_45_H_
+#include <stdint.h>
+
+uint32_t _errata_SSWF021_45_both_plls(uint32_t count);
+uint32_t _errata_SSWF021_45_pll1(uint32_t count);
+uint32_t _errata_SSWF021_45_pll2(uint32_t count);
+
+
+#endif /* INCLUDE_HL_ERRATA_SSWF021_45_H_ */
diff --git a/bsps/arm/tms570/include/bsp/ti_herc/reg_dcc.h b/bsps/arm/tms570/include/bsp/ti_herc/reg_dcc.h
index f5d35719fa..12edca3eb1 100644
--- a/bsps/arm/tms570/include/bsp/ti_herc/reg_dcc.h
+++ b/bsps/arm/tms570/include/bsp/ti_herc/reg_dcc.h
@@ -51,6 +51,12 @@
 
 #include <bsp/utility.h>
 
+enum tms570_dcc1_cnt0_clksrc {
+    DCC1_CNT0_HF_LPO    = 0x5U,    /**< Alias for DCC1 CNT 0 CLOCK SOURCE 0*/
+    DCC1_CNT0_TCK       = 0xAU,    /**< Alias for DCC1 CNT 0 CLOCK SOURCE 1*/
+    DCC1_CNT0_OSCIN     = 0xFU,    /**< Alias for DCC1 CNT 0 CLOCK SOURCE 2*/
+};
+
 typedef struct{
   uint32_t GCTRL;             /*DCC Global Control Register*/
   uint32_t REV;               /*DCC Revision Id Register*/