git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4712 35acf78f-673a-0410-8e92-d51de3d6d3f4

4 files changed, 451 insertions, 0 deletions

diff --git a/boards/GENERIC_SPC560P/board.c b/boards/GENERIC_SPC560P/board.c
index b41c37a50..4b4af7f1d 100644
--- a/boards/GENERIC_SPC560P/board.c
+++ b/boards/GENERIC_SPC560P/board.c
@@ -21,6 +21,31 @@
 #include "ch.h"

 #include "hal.h"

 

+#if HAL_USE_PAL || defined(__DOXYGEN__)

+/* List of the PCR values to be setup initially, the list is terminated by a

+   {0, 0}.*/

+static const spc560p_pcr_init_t spc560p_pcrs_init[] = {

+  {0, 0}

+};

+

+/* Initialization array for the PSMI registers.*/

+static const uint8_t spc560p_padsels_init[36] = {

+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

+  0, 0, 0, 0

+};

+

+/**

+ * @brief   PAL setup.

+ */

+const PALConfig pal_default_config =

+{

+  PAL_MODE_UNCONNECTED,

+  spc560p_pcrs_init,

+  spc560p_padsels_init

+};

+#endif

+

 /*

  * Early initialization code.

  * This initialization must be performed just after stack setup and before

diff --git a/os/hal/platforms/SPC560Pxx/platform.mk b/os/hal/platforms/SPC560Pxx/platform.mk
index 847e7e821..53b94c39d 100644
--- a/os/hal/platforms/SPC560Pxx/platform.mk
+++ b/os/hal/platforms/SPC560Pxx/platform.mk
@@ -1,7 +1,9 @@
 # List of all the SPC560Pxx platform files.

 PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/SPC560Pxx/hal_lld.c \

+              ${CHIBIOS}/os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.c \

               ${CHIBIOS}/os/hal/platforms/SPC5xx/LINFlex_v1/serial_lld.c

 

 # Required include directories

 PLATFORMINC = ${CHIBIOS}/os/hal/platforms/SPC560Pxx \

+              ${CHIBIOS}/os/hal/platforms/SPC5xx/SIUL_v1 \

               ${CHIBIOS}/os/hal/platforms/SPC5xx/LINFlex_v1

diff --git a/os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.c b/os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.c
new file mode 100644
index 000000000..f67fbce0e
--- /dev/null
+++ b/os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.c
@@ -0,0 +1,104 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,

+                 2011,2012 Giovanni Di Sirio.

+

+    This file is part of ChibiOS/RT.

+

+    ChibiOS/RT 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 3 of the License, or

+    (at your option) any later version.

+

+    ChibiOS/RT 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, see <http://www.gnu.org/licenses/>.

+*/

+

+/**

+ * @file    SPC5xx/SIUL_v1/pal_lld.c

+ * @brief   SPC5xx SIUL low level driver code.

+ *

+ * @addtogroup PAL

+ * @{

+ */

+

+#include "ch.h"

+#include "hal.h"

+

+#if HAL_USE_PAL || defined(__DOXYGEN__)

+

+/*===========================================================================*/

+/* Driver local definitions.                                                 */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Driver exported variables.                                                */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Driver local variables.                                                   */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Driver local functions.                                                   */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Driver interrupt handlers.                                                */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Driver exported functions.                                                */

+/*===========================================================================*/

+

+/**

+ * @brief   SPC5xx I/O ports configuration.

+ *

+ * @param[in] config    the STM32 ports configuration

+ *

+ * @notapi

+ */

+void _pal_lld_init(const PALConfig *config) {

+  unsigned i;

+

+  /* TODO: Replace 107 with a platform-specific constant.*/

+  for (i = 0; i <= 107; i++)

+    SIU.PCR[i].R = config->default_mode;

+

+  i = 0;

+  while (config->pcrs[i].pcr_value != 0) {

+    SIU.PCR[config->pcrs[i].pcr_index].R = config->pcrs[i].pcr_value;

+    i++;

+  }

+

+  /* TODO: Replace 35 with a platform-specific constant.*/

+  for (i = 0; i <= 35; i++)

+    SIU.PSMI[i].R = config->padsels[i];

+}

+

+/**

+ * @brief   Pads mode setup.

+ * @details This function programs a pads group belonging to the same port

+ *          with the specified mode.

+ *

+ * @param[in] port      the port identifier

+ * @param[in] mask      the group mask

+ * @param[in] mode      the mode

+ *

+ * @notapi

+ */

+void _pal_lld_setgroupmode(ioportid_t port,

+                           ioportmask_t mask,

+                           iomode_t mode) {

+  (void)port;

+  (void)mask;

+  (void)mode;

+}

+

+#endif /* HAL_USE_PAL */

+

+/** @} */

diff --git a/os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.h b/os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.h
new file mode 100644
index 000000000..1bebea35d
--- /dev/null
+++ b/os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.h
@@ -0,0 +1,320 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,

+                 2011,2012 Giovanni Di Sirio.

+

+    This file is part of ChibiOS/RT.

+

+    ChibiOS/RT 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 3 of the License, or

+    (at your option) any later version.

+

+    ChibiOS/RT 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, see <http://www.gnu.org/licenses/>.

+*/

+

+/**

+ * @file    SPC5xx/SIUL_v1//pal_lld.h

+ * @brief   SPC5xx SIUL low level driver header.

+ *

+ * @addtogroup PAL

+ * @{

+ */

+

+#ifndef _PAL_LLD_H_

+#define _PAL_LLD_H_

+

+#if HAL_USE_PAL || defined(__DOXYGEN__)

+

+/*===========================================================================*/

+/* Unsupported modes and specific modes                                      */

+/*===========================================================================*/

+

+#undef PAL_MODE_RESET

+#undef PAL_MODE_UNCONNECTED

+#undef PAL_MODE_INPUT

+#undef PAL_MODE_INPUT_PULLUP

+#undef PAL_MODE_INPUT_PULLDOWN

+#undef PAL_MODE_INPUT_ANALOG

+#undef PAL_MODE_OUTPUT_PUSHPULL

+#undef PAL_MODE_OUTPUT_OPENDRAIN

+

+/**

+ * @name    SIUL-specific PAL modes

+ * @{

+ */

+#define PAL_SPC5_SMC                (1U << 14)

+#define PAL_SPC5_APC                (1U << 13)

+#define PAL_SPC5_PA_MASK            (3U << 10)

+#define PAL_SPC5_PA(n)              ((n) << 10)

+#define PAL_SPC5_OBE                (1U << 9)

+#define PAL_SPC5_IBE                (1U << 8)

+#define PAL_SPC5_ODE                (1U << 5)

+#define PAL_SPC5_SRC                (1U << 2)

+#define PAL_SPC5_WPE                (1U << 1)

+#define PAL_SPC5_WPS                (1U << 0)

+/** @} */

+

+/**

+ * @name    Pads mode constants

+ * @{

+ */

+/**

+ * @brief   After reset state.

+ */

+#define PAL_MODE_RESET                  0

+

+/**

+ * @brief   Safe state for <b>unconnected</b> pads.

+ */

+#define PAL_MODE_UNCONNECTED            (PAL_SPC5_WPE | PAL_SPC5_WPS)

+

+/**

+ * @brief   Regular input high-Z pad.

+ */

+#define PAL_MODE_INPUT                  (PAL_SPC5_IBE)

+

+/**

+ * @brief   Input pad with weak pull up resistor.

+ */

+#define PAL_MODE_INPUT_PULLUP           (PAL_SPC5_IBE |PAL_SPC5_WPE |       \

+                                         PAL_SPC5_WPS)

+

+/**

+ * @brief   Input pad with weak pull down resistor.

+ */

+#define PAL_MODE_INPUT_PULLDOWN         (PAL_SPC5_IBE |PAL_SPC5_WPE)

+

+/**

+ * @brief   Analog input mode.

+ */

+#define PAL_MODE_INPUT_ANALOG           PAL_SPC5_APC

+

+/**

+ * @brief   Push-pull output pad.

+ */

+#define PAL_MODE_OUTPUT_PUSHPULL        (PAL_SPC5_IBE | PAL_SPC5_OBE)

+

+/**

+ * @brief   Open-drain output pad.

+ */

+#define PAL_MODE_OUTPUT_OPENDRAIN       (PAL_SPC5_IBE | PAL_SPC5_OBE |      \

+                                         PAL_SPC5_ODE)

+/** @} */

+

+/*===========================================================================*/

+/* I/O Ports Types and constants.                                            */

+/*===========================================================================*/

+

+/**

+ * @brief   Width, in bits, of an I/O port.

+ */

+#define PAL_IOPORTS_WIDTH 32

+

+/**

+ * @brief   Whole port mask.

+ * @brief   This macro specifies all the valid bits into a port.

+ */

+#define PAL_WHOLE_PORT ((ioportmask_t)0xFFFFFFFF)

+

+/**

+ * @brief   Digital I/O port sized unsigned type.

+ */

+typedef uint32_t ioportmask_t;

+

+/**

+ * @brief   Digital I/O modes.

+ */

+typedef uint16_t iomode_t;

+

+/**

+ * @brief   Port Identifier.

+ * @details This type can be a scalar or some kind of pointer, do not make

+ *          any assumption about it, use the provided macros when populating

+ *          variables of this type.

+ */

+typedef uint32_t ioportid_t;

+

+/**

+ * @brief   PCR register initializer type.

+ */

+typedef struct {

+  uint16_t                  pcr_index;

+  iomode_t                  pcr_value;

+} spc560p_pcr_init_t;

+

+/**

+ * @brief   Generic I/O ports static initializer.

+ * @details An instance of this structure must be passed to @p palInit() at

+ *          system startup time in order to initialized the digital I/O

+ *          subsystem. This represents only the initial setup, specific pads

+ *          or whole ports can be reprogrammed at later time.

+ * @note    Implementations may extend this structure to contain more,

+ *          architecture dependent, fields.

+ */

+typedef struct {

+  iomode_t                  default_mode;

+  const spc560p_pcr_init_t  *pcrs;

+  const uint8_t             *padsels;

+} PALConfig;

+

+/*===========================================================================*/

+/* I/O Ports Identifiers.                                                    */

+/*===========================================================================*/

+

+/**

+ * @brief   I/O port 1 identifier.

+ */

+#define IOPORT1         0

+

+/**

+ * @brief   I/O port 2 identifier.

+ */

+#define IOPORT2         1

+

+/**

+ * @brief   I/O port 3 identifier.

+ */

+#define IOPORT3         2

+

+/**

+ * @brief   I/O port 4 identifier.

+ */

+#define IOPORT4         3

+

+/*===========================================================================*/

+/* Implementation, some of the following macros could be implemented as      */

+/* functions, if so please put them in pal_lld.c.                            */

+/*===========================================================================*/

+

+/**

+ * @brief   Low level PAL subsystem initialization.

+ *

+ * @param[in] config    architecture-dependent ports configuration

+ *

+ * @notapi

+ */

+#define pal_lld_init(config) _pal_lld_init(config)

+

+/**

+ * @brief   Reads the physical I/O port states.

+ *

+ * @param[in] port      port identifier

+ * @return              The port bits.

+ *

+ * @notapi

+ */

+#define pal_lld_readport(port) (SIU.PGPDI[port].R)

+

+/**

+ * @brief   Reads the output latch.

+ * @details The purpose of this function is to read back the latched output

+ *          value.

+ *

+ * @param[in] port      port identifier

+ * @return              The latched logical states.

+ *

+ * @notapi

+ */

+#define pal_lld_readlatch(port) (SIU.PGPDO[port].R)

+

+/**

+ * @brief   Writes a bits mask on a I/O port.

+ *

+ * @param[in] port      port identifier

+ * @param[in] bits      bits to be written on the specified port

+ *

+ * @notapi

+ */

+#define pal_lld_writeport(port, bits) (SIU.PGPDO[port].R = (bits))

+

+/**

+ * @brief   Pads group mode setup.

+ * @details This function programs a pads group belonging to the same port

+ *          with the specified mode.

+ * @note    Programming an unknown or unsupported mode is silently ignored.

+ *

+ * @param[in] port      port identifier

+ * @param[in] mask      group mask

+ * @param[in] offset    group bit offset within the port

+ * @param[in] mode      group mode

+ *

+ * @notapi

+ */

+#define pal_lld_setgroupmode(port, mask, offset, mode)                      \

+  _pal_lld_setgroupmode(port, mask << offset, mode)

+

+/**

+ * @brief   Reads a logical state from an I/O pad.

+ * @note    The @ref PAL provides a default software implementation of this

+ *          functionality, implement this function if can optimize it by using

+ *          special hardware functionalities or special coding.

+ *

+ * @param[in] port      port identifier

+ * @param[in] pad       pad number within the port

+ * @return              The logical state.

+ * @retval PAL_LOW      low logical state.

+ * @retval PAL_HIGH     high logical state.

+ *

+ * @notapi

+ */

+#define pal_lld_readpad(port, pad)                                          \

+  (SIU.GPDI.R[((port) * 32) + (15 - (pad))])

+

+/**

+ * @brief   Writes a logical state on an output pad.

+ * @note    This function is not meant to be invoked directly by the

+ *          application  code.

+ * @note    The @ref PAL provides a default software implementation of this

+ *          functionality, implement this function if can optimize it by using

+ *          special hardware functionalities or special coding.

+ *

+ * @param[in] port      port identifier

+ * @param[in] pad       pad number within the port

+ * @param[in] bit       logical value, the value must be @p PAL_LOW or

+ *                      @p PAL_HIGH

+ *

+ * @notapi

+ */

+#define pal_lld_writepad(port, pad, bit)                                    \

+  (SIU.GPDO.R[((port) * 32) + (15 - (pad))] = (bit))

+

+/**

+ * @brief   Pad mode setup.

+ * @details This function programs a pad with the specified mode.

+ * @note    The @ref PAL provides a default software implementation of this

+ *          functionality, implement this function if can optimize it by using

+ *          special hardware functionalities or special coding.

+ * @note    Programming an unknown or unsupported mode is silently ignored.

+ *

+ * @param[in] port      port identifier

+ * @param[in] pad       pad number within the port

+ * @param[in] mode      pad mode

+ *

+ * @notapi

+ */

+#define pal_lld_setpadmode(port, pad, mode)

+

+extern const PALConfig pal_default_config;

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+  void _pal_lld_init(const PALConfig *config);

+  void _pal_lld_setgroupmode(ioportid_t port,

+                             ioportmask_t mask,

+                             iomode_t mode);

+#ifdef __cplusplus

+}

+#endif

+

+#endif /* HAL_USE_PAL */

+

+#endif /* _PAL_LLD_H_ */

+

+/** @} */