adding lpc24xx BSP parts

3 files changed, 248 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/arm/lpc24xx/include/i2c.h b/c/src/lib/libbsp/arm/lpc24xx/include/i2c.h
new file mode 100644
index 0000000000..f15ade1aad
--- /dev/null
+++ b/c/src/lib/libbsp/arm/lpc24xx/include/i2c.h
@@ -0,0 +1,41 @@
+/**
+ * @file
+ *
+ * @ingroup lpc24xx
+ *
+ * LibI2C bus driver for the I2C modules.
+ */
+
+/*
+ * Copyright (c) 2009
+ * embedded brains GmbH
+ * Obere Lagerstr. 30
+ * D-82178 Puchheim
+ * Germany
+ * <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#ifndef LIBBSP_ARM_LPC24XX_I2C_H
+#define LIBBSP_ARM_LPC24XX_I2C_H
+
+#include <rtems/libi2c.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+extern rtems_libi2c_bus_t * const lpc24xx_i2c_0;
+
+extern rtems_libi2c_bus_t * const lpc24xx_i2c_1;
+
+extern rtems_libi2c_bus_t * const lpc24xx_i2c_2;
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBBSP_ARM_LPC24XX_I2C_H */
diff --git a/c/src/lib/libbsp/arm/lpc24xx/include/idle.h b/c/src/lib/libbsp/arm/lpc24xx/include/idle.h
new file mode 100644
index 0000000000..116842b465
--- /dev/null
+++ b/c/src/lib/libbsp/arm/lpc24xx/include/idle.h
@@ -0,0 +1,41 @@
+/**
+ * @file
+ *
+ * @author Sebastian Huber <sebastian.huber@embedded-brains.de>
+ *
+ * @ingroup lpc24xx
+ *
+ * @brief Idle task
+ */
+
+/*
+ * Copyright (c) 2009
+ * Embedded Brains GmbH
+ * Obere Lagerstr. 30
+ * D-82178 Puchheim
+ * Germany
+ * rtems@embedded-brains.de
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#ifndef LIBBSP_ARM_LPC24XX_IDLE_H
+#define LIBBSP_ARM_LPC24XX_IDLE_H
+
+#include <rtems.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+Thread lpc24xx_idle( uint32_t ignored);
+
+#define BSP_IDLE_TASK_BODY lpc24xx_idle
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBBSP_ARM_LPC24XX_IDLE_H */
diff --git a/c/src/lib/libbsp/arm/lpc24xx/include/io.h b/c/src/lib/libbsp/arm/lpc24xx/include/io.h
new file mode 100644
index 0000000000..c40d29e631
--- /dev/null
+++ b/c/src/lib/libbsp/arm/lpc24xx/include/io.h
@@ -0,0 +1,166 @@
+/**
+ * @file
+ *
+ * @ingroup lpc24xx
+ *
+ * Input and output module.
+ */
+
+/*
+ * Copyright (c) 2009
+ * embedded brains GmbH
+ * Obere Lagerstr. 30
+ * D-82178 Puchheim
+ * Germany
+ * <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#ifndef LIBBSP_ARM_LPC24XX_IO_H
+#define LIBBSP_ARM_LPC24XX_IO_H
+
+#include <rtems.h>
+
+#include <bsp/lpc24xx.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define LPC24XX_IO_PORT_COUNT 5U
+
+#define LPC24XX_IO_INDEX_MAX (LPC24XX_IO_PORT_COUNT * 32U)
+
+#define LPC24XX_IO_INDEX_BY_PORT( port, bit) (((port) << 5U) + (bit))
+
+#define LPC24XX_IO_PORT( index) (index >> 5U)
+
+#define LPC24XX_IO_PORT_BIT( index) (index & 0x1fU)
+
+typedef enum {
+  LPC24XX_MODULE_ACF,
+  LPC24XX_MODULE_ADC,
+  LPC24XX_MODULE_BAT_RAM,
+  LPC24XX_MODULE_CAN,
+  LPC24XX_MODULE_DAC,
+  LPC24XX_MODULE_EMC,
+  LPC24XX_MODULE_ETHERNET,
+  LPC24XX_MODULE_GPDMA,
+  LPC24XX_MODULE_GPIO,
+  LPC24XX_MODULE_I2C,
+  LPC24XX_MODULE_I2S,
+  LPC24XX_MODULE_LCD,
+  LPC24XX_MODULE_MCI,
+  LPC24XX_MODULE_PCB,
+  LPC24XX_MODULE_PWM,
+  LPC24XX_MODULE_RTC,
+  LPC24XX_MODULE_SPI,
+  LPC24XX_MODULE_SSP,
+  LPC24XX_MODULE_SYSCON,
+  LPC24XX_MODULE_TIMER,
+  LPC24XX_MODULE_UART,
+  LPC24XX_MODULE_USB,
+  LPC24XX_MODULE_WDT,
+  LPC24XX_MODULE_NUMBER
+} lpc24xx_module;
+
+typedef enum {
+  LPC24XX_MODULE_PCLK_DEFAULT = 0x0U,
+  LPC24XX_MODULE_CCLK = 0x1U,
+  LPC24XX_MODULE_CCLK_2 = 0x2U,
+  LPC24XX_MODULE_CCLK_4 = 0x0U,
+  LPC24XX_MODULE_CCLK_6 = 0x3U,
+  LPC24XX_MODULE_CCLK_8 = 0x3U
+} lpc24xx_module_clock;
+
+#define LPC24XX_MODULE_CLOCK_MASK 0x3U
+
+typedef enum {
+  LPC24XX_GPIO_DEFAULT = 0x0U,
+  LPC24XX_GPIO_RESISTOR_DEFAULT = 0x0U,
+  LPC24XX_GPIO_RESISTOR_NONE = 0x1U,
+  LPC24XX_GPIO_RESISTOR_PULL_UP = 0x2U,
+  LPC24XX_GPIO_RESISTOR_PULL_DOWN = 0x3U,
+  LPC24XX_GPIO_INPUT = 0x0U,
+  LPC24XX_GPIO_OUTPUT = 0x8U
+} lpc24xx_gpio_settings;
+
+#define LPC24XX_GPIO_RESISTOR_MASK 0x3U
+
+rtems_status_code lpc24xx_module_enable(
+  lpc24xx_module module,
+  unsigned index,
+  lpc24xx_module_clock clock
+);
+
+rtems_status_code lpc24xx_module_disable(
+  lpc24xx_module module,
+  unsigned index
+);
+
+rtems_status_code lpc24xx_io_config(
+  lpc24xx_module module,
+  unsigned index,
+  unsigned config
+);
+
+rtems_status_code lpc24xx_io_release(
+  lpc24xx_module module,
+  unsigned index,
+  unsigned config
+);
+
+rtems_status_code lpc24xx_gpio_config(
+  unsigned index,
+  lpc24xx_gpio_settings settings
+);
+
+static inline void lpc24xx_gpio_set( unsigned index)
+{
+  if (index <= LPC24XX_IO_INDEX_MAX) {
+    unsigned port = LPC24XX_IO_PORT( index);
+    unsigned bit = LPC24XX_IO_PORT_BIT( index);
+
+    LPC24XX_FIO [port].set = 1U << bit;
+  }
+}
+
+static inline void lpc24xx_gpio_clear( unsigned index)
+{
+  if (index <= LPC24XX_IO_INDEX_MAX) {
+    unsigned port = LPC24XX_IO_PORT( index);
+    unsigned bit = LPC24XX_IO_PORT_BIT( index);
+
+    LPC24XX_FIO [port].clr = 1U << bit;
+  }
+}
+
+static inline void lpc24xx_gpio_write( unsigned index, bool value)
+{
+  if (value) {
+    lpc24xx_gpio_set( index);
+  } else {
+    lpc24xx_gpio_clear( index);
+  }
+}
+
+static inline bool lpc24xx_gpio_get( unsigned index)
+{
+  if (index <= LPC24XX_IO_INDEX_MAX) {
+    unsigned port = LPC24XX_IO_PORT( index);
+    unsigned bit = LPC24XX_IO_PORT_BIT( index);
+
+    return (LPC24XX_FIO [port].pin & (1U << bit)) != 0;
+  } else {
+    return false;
+  }
+}
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBBSP_ARM_LPC24XX_IO_H */