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-rw-r--r--boards/GENERIC_SPC560P/board.c25
-rw-r--r--os/hal/platforms/SPC560Pxx/platform.mk2
-rw-r--r--os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.c104
-rw-r--r--os/hal/platforms/SPC5xx/SIUL_v1/pal_lld.h320
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_ */
+
+/** @} */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 22:17:23 +0000