bsp/atsam: Import SAM Software Package

Import selected files of the "SAM V71 / V70 / E70 / S70 Software
Package" obtained from the "SAMV71-XULT GNU Software Package 1.5".

Converted files via dos2unix before import.

Update #2529.

1 files changed, 158 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/arm/atsam/libraries/libchip/source/xdma_hardware_interface.c b/c/src/lib/libbsp/arm/atsam/libraries/libchip/source/xdma_hardware_interface.c
new file mode 100644
index 0000000000..f1e5b114af
--- /dev/null
+++ b/c/src/lib/libbsp/arm/atsam/libraries/libchip/source/xdma_hardware_interface.c
@@ -0,0 +1,158 @@
+/* ---------------------------------------------------------------------------- */
+/*                  Atmel Microcontroller Software Support                      */
+/*                       SAM Software Package License                           */
+/* ---------------------------------------------------------------------------- */
+/* Copyright (c) 2015, Atmel Corporation                                        */
+/*                                                                              */
+/* All rights reserved.                                                         */
+/*                                                                              */
+/* Redistribution and use in source and binary forms, with or without           */
+/* modification, are permitted provided that the following condition is met:    */
+/*                                                                              */
+/* - Redistributions of source code must retain the above copyright notice,     */
+/* this list of conditions and the disclaimer below.                            */
+/*                                                                              */
+/* Atmel's name may not be used to endorse or promote products derived from     */
+/* this software without specific prior written permission.                     */
+/*                                                                              */
+/* DISCLAIMER:  THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR   */
+/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE   */
+/* DISCLAIMED. IN NO EVENT SHALL ATMEL 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.                           */
+/* ---------------------------------------------------------------------------- */
+
+/** \addtogroup dmad_module
+ *
+ * \section DmaHw Dma Hardware Interface Usage
+ * <ul>
+ * <li> The DMA controller can handle the transfer between peripherals and memory
+ * and so receives the triggers from the peripherals. The hardware interface
+ * number are getting from DMAIF_Get_ChannelNumber().</li>
+
+ * <li> DMAIF_IsValidatedPeripherOnDma() helps to check if the given DMAC has
+ * associated peripheral identifier coded by the given  peripheral.</li>
+ *
+ * </ul>
+ */
+/*@{*/
+/*@}*/
+
+/** \file */
+/*----------------------------------------------------------------------------
+ *        Headers
+ *----------------------------------------------------------------------------*/
+#include "chip.h"
+
+/*----------------------------------------------------------------------------
+ *        Local variables
+ *----------------------------------------------------------------------------*/
+/** Array of DMA Channel definition for SAMv7 chip*/
+static const XdmaHardwareInterface xdmaHwIf[] = {
+	/* xdmac, peripheral,  T/R, HW interface number*/
+	{0,   ID_HSMCI,     0,      0},
+	{0,   ID_HSMCI,     1,      0},
+	{0,   ID_SPI0,      0,      1},
+	{0,   ID_SPI0,      1,      2},
+	{0,   ID_SPI1,      0,      3},
+	{0,   ID_SPI1,      1,      4},
+	{0,   ID_QSPI,      0,      5},
+	{0,   ID_QSPI,      1,      6},
+	{0,   ID_USART0,    0,      7},
+	{0,   ID_USART0,    1,      8},
+	{0,   ID_USART1,    0,      9},
+	{0,   ID_USART1,    1,      10},
+	{0,   ID_USART2,    0,      11},
+	{0,   ID_USART2,    1,      12},
+	{0,   ID_PWM0,      0,      13},
+	{0,   ID_TWIHS0,    0,      14},
+	{0,   ID_TWIHS0,    1,      15},
+	{0,   ID_TWIHS1,    0,      16},
+	{0,   ID_TWIHS1,    1,      17},
+	{0,   ID_TWIHS2,    0,      18},
+	{0,   ID_TWIHS2,    1,      19},
+	{0,   ID_UART0,     0,      20},
+	{0,   ID_UART0,     1,      21},
+	{0,   ID_UART1,     0,      22},
+	{0,   ID_UART1,     1,      23},
+	{0,   ID_UART2,     0,      24},
+	{0,   ID_UART2,     1,      25},
+	{0,   ID_UART3,     0,      26},
+	{0,   ID_UART3,     1,      27},
+	{0,   ID_UART4,     0,      28},
+	{0,   ID_UART4,     1,      29},
+	{0,   ID_DACC,      0,      30},
+	{0,   ID_DACC,      0,      31},
+	{0,   ID_SSC,       0,      32},
+	{0,   ID_SSC,       1,      33},
+	{0,   ID_PIOA,      1,      34},
+	{0,   ID_AFEC0,     1,      35},
+	{0,   ID_AFEC1,     1,      36},
+	{0,   ID_AES,       0,      37},
+	{0,   ID_AES,       1,      38},
+	{0,   ID_PWM1,      0,      39},
+	{0,   ID_TC0,       1,      40},
+	{0,   ID_TC1,       1,      41},
+	{0,   ID_TC2,       1,      42},
+	{0,   ID_TC3,       1,      43},
+};
+
+
+/*----------------------------------------------------------------------------
+ *        Exported functions
+ *----------------------------------------------------------------------------*/
+
+/**
+ * \brief Get peripheral identifier coded for hardware handshaking interface
+ *
+ * \param bDmac      DMA Controller number.
+ * \param bPeriphID  Peripheral ID.
+ * \param bTransfer  Transfer type 0: Tx, 1 :Rx.
+ * \return 0-15 peripheral identifier coded.
+ *         0xff : no associated peripheral identifier coded.
+ */
+uint8_t XDMAIF_Get_ChannelNumber (uint8_t bPeriphID,
+								  uint8_t bTransfer)
+{
+	uint8_t i;
+	uint8_t NumOfPeripheral = ((XDMAC_GetType(XDMAC) & 0x00FF0000) >> 16);
+
+	for (i = 0; i <= NumOfPeripheral; i++) {
+		if ((xdmaHwIf[i].bPeriphID == bPeriphID) &&
+			 (xdmaHwIf[i].bTransfer == bTransfer))
+			return xdmaHwIf[i].bIfID;
+	}
+
+	return 0xff;
+}
+
+/**
+ * \brief Check if the given DMAC has associated peripheral identifier coded by
+ * the given  peripheral.
+ *
+ * \param bDmac      DMA Controller number.
+ * \param bPeriphID  Peripheral ID (0xff : memory only).
+ * \return 1:  Is a validated peripheral. 0: no associated peripheral identifier
+ * coded.
+ */
+uint8_t XDMAIF_IsValidatedPeripherOnDma(uint8_t bPeriphID)
+{
+	uint8_t i;
+	uint8_t NumOfPeripheral = ((XDMAC_GetType(XDMAC) & 0x00FF0000) >> 16);
+
+	/* It is always validated when transfer to memory */
+	if (bPeriphID == 0xFF)
+		return 1;
+
+	for (i = 0; i <= NumOfPeripheral; i++) {
+		if ((xdmaHwIf[i].bPeriphID == bPeriphID))
+			return 1;
+	}
+
+	return 0;
+}