Initial support for the Kinetis L family and the Freedom KL25Z board from Alan Carvalho de Assis

2 files changed, 286 insertions, 0 deletions

diff --git a/nuttx/arch/arm/include/kl/chip.h b/nuttx/arch/arm/include/kl/chip.h
new file mode 100644
index 000000000..c1e84245d
--- /dev/null
+++ b/nuttx/arch/arm/include/kl/chip.h
@@ -0,0 +1,120 @@
+/************************************************************************************
+ * arch/arm/include/kinetis/chip.h
+ *
+ *   Copyright (C) 2013, 2013 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name NuttX 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 __ARCH_ARM_INCLUDE_KL_CHIP_H
+#define __ARCH_ARM_INCLUDE_KL_CHIP_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/* Get customizations for each supported chip */
+
+#if defined(CONFIG_ARCH_CHIP_MKL25Z128)
+
+#  define KL_Z128            1          /* Kinetics KL25Z128 family */
+#  define KL_FLASH_SIZE      (128*1024) /* 64Kb */
+#  define KL_SRAM_SIZE       (16*1024)  /* 16Kb */
+#  undef  KL_MPU                        /* No memory protection unit */
+#  undef  KL_EXTBUS                     /* No external bus interface */
+#  define KL_NDMACH          4          /* Up to 4 DMA channels */
+#  undef  KL_NENET                      /* No Ethernet controller */
+#  define KL_NUSBHOST        1          /* One USB host controller */
+#  define KL_NUSBOTG         1          /* With USB OTG controller */
+#  define KL_NUSBDEV         1          /* One USB device controller */
+#  undef  KL_NSDHC                      /* No SD host controller */
+#  define KL_NTOUCHIF        1          /* Xtrinsic touch sensing interface */
+#  define KL_NI2C            2          /* Two I2C modules */
+#  undef  KL_NISO7816                   /* No UART with ISO-786 */
+#  define KL_NUART           3          /* Three UARTs */
+#  define KL_NSPI            2          /* Two SPI modules */
+#  undef  KL_NCAN                       /* No CAN in 64-pin chips */
+#  define KL_NI2S            1          /* One I2S module */
+#  undef  KL_NSLCD                      /* One segment LCD interface (up to 25x8/29x4) */
+#  define KL_NADC16          1          /* One 16-bit ADC */
+#  undef  KL_NADC12                     /* No 12-channel ADC */
+#  undef  KL_NADC13                     /* No 13-channel ADC */
+#  undef  KL_NADC15                     /* No 15-channel ADC */
+#  undef  KL_NADC18                     /* No 18-channel ADC */
+#  undef  KL_NPGA                       /* No Programmable Gain Amplifiers */
+#  define KL_NCMP            1          /* One analog comparator */
+#  define KL_NDAC6           1          /* Three 6-bit DAC */
+#  define KL_NDAC12          1          /* Two 12-bit DAC */
+#  define KL_NVREF           1          /* Voltage reference */
+#  define KL_NTIMERS8        1          /* One 8 channel timers */
+#  undef  KL_NTIMERS12                  /* No 12 channel timers */
+#  undef  KL_NTIMERS20                  /* No 20 channel timers */
+#  undef  KL_NRNG                       /* No random number generator */
+#  define KL_NRTC            1          /* Real time clock */
+#  undef  KL_NMMCAU                     /* No hardware encryption */
+#  undef  KL_NTAMPER                    /* No tamper detect */
+#  undef  KL_NCRC                       /* No CRC */
+
+#else
+#  error "Unsupported Kinetis chip"
+#endif
+
+/* NVIC priority levels *************************************************************/
+/* Each priority field holds a priority value, 0-15. The lower the value, the greater
+ * the priority of the corresponding interrupt. The processor implements only
+ * bits[7:4] of each field, bits[3:0] read as zero and ignore writes.
+ */
+
+#define NVIC_SYSH_PRIORITY_MIN     0xc0 /* All bits[7:6] set is minimum priority */
+#define NVIC_SYSH_PRIORITY_DEFAULT 0x80 /* Midpoint is the default */
+#define NVIC_SYSH_PRIORITY_MAX     0x00 /* Zero is maximum priority */
+#define NVIC_SYSH_PRIORITY_STEP    0x40 /* Steps between supported priority values */
+
+#define NVIC_SYSH_DISABLE_PRIORITY (NVIC_SYSH_PRIORITY_MAX + NVIC_SYSH_PRIORITY_STEP)
+#define NVIC_SYSH_SVCALL_PRIORITY  NVIC_SYSH_PRIORITY_MAX
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+#endif /* __ARCH_ARM_INCLUDE_KL_CHIP_H */
diff --git a/nuttx/arch/arm/include/kl/irq.h b/nuttx/arch/arm/include/kl/irq.h
new file mode 100644
index 000000000..0279ea372
--- /dev/null
+++ b/nuttx/arch/arm/include/kl/irq.h
@@ -0,0 +1,166 @@
+/************************************************************************************
+ * arch/arm/include/kinetis/irq.h
+ *
+ *   Copyright (C) 2013 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name NuttX 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.
+ *
+ ************************************************************************************/
+
+/* This file should never be included directed but, rather, only indirectly through
+ * nuttx/irq.h
+ */
+
+#ifndef __ARCH_ARM_INCLUDE_KL_IRQ_H
+#define __ARCH_ARM_INCLUDE_KL_IRQ_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/irq.h>
+
+/************************************************************************************
+ * Definitions
+ ************************************************************************************/
+/* IRQ numbers **********************************************************************/
+/* The IRQ numbers corresponds directly to vector numbers and hence map directly to
+ * bits in the NVIC.  This does, however, waste several words of memory in the IRQ
+ * to handle mapping tables.
+ */
+
+/* Processor Exceptions (vectors 0-15) */
+
+#define KL_IRQ_RESERVED      (0)   /* Reserved vector (only used with CONFIG_DEBUG) */
+                                        /* Vector  0: Reset stack pointer value */
+                                        /* Vector  1: Reset (not handler as an IRQ) */
+#define KL_IRQ_NMI           (2)   /* Vector  2: Non-Maskable Interrupt (NMI) */
+#define KL_IRQ_HARDFAULT     (3)   /* Vector  3: Hard fault */
+                                        /* Vectors 4-10: Reserved */
+#define KL_IRQ_SVCALL        (11)  /* Vector 11: SVC call */
+                                        /* Vector 12-13: Reserved */
+#define KL_IRQ_PENDSV        (14)  /* Vector 14: Pendable system service request */
+#define KL_IRQ_SYSTICK       (15)  /* Vector 15: System tick */
+
+/* External interrupts (vectors >= 16) */
+
+#define KL_IRQ_EXTINT        (16)
+
+/* K40 Family ***********************************************************************
+ *
+ * The interrupt vectors  for the following parts is defined in Freescale document
+ * K40P144M100SF2RM
+ */
+
+#if defined(CONFIG_ARCH_CHIP_MKL25Z128)
+
+#  define KL_IRQ_DMACH0        (16)  /* Vector 16: DMA channel 0 transfer complete */
+#  define KL_IRQ_DMACH1        (17)  /* Vector 17: DMA channel 1 transfer complete */
+#  define KL_IRQ_DMACH2        (18)  /* Vector 18: DMA channel 2 transfer complete */
+#  define KL_IRQ_DMACH3        (19)  /* Vector 19: DMA channel 3 transfer complete */
+                                     /* Vector 20: Reserved */
+#  define KL_IRQ_FTFA          (21)  /* Vector 21: FTFA */
+#  define KL_IRQ_LVDLVW        (22)  /* Vector 22: LVD_LVW */
+#  define KL_IRQ_LLW           (23)  /* Vector 23: LLW */
+#  define KL_IRQ_I2C0          (24)  /* Vector 24: I2C0 */
+#  define KL_IRQ_I2C1          (25)  /* Vector 25: I2C1 */
+#  define KL_IRQ_SPI0          (26)  /* Vector 26: SPI0 */
+#  define KL_IRQ_SPI1          (27)  /* Vector 27: SPI1 */
+#  define KL_IRQ_UART0         (28)  /* Vector 28: UART0 */
+#  define KL_IRQ_UART1         (29)  /* Vector 29: UART1 */
+#  define KL_IRQ_UART2         (30)  /* Vector 30: UART2 */
+#  define KL_IRQ_ADC0          (31)  /* Vector 31: Analog Device Converter 0 */
+#  define KL_IRQ_CMP0          (32)  /* Vector 32: Comparator 0 */
+#  define KL_IRQ_TPM0          (33)  /* Vector 33: Timer/PWM Module 0 */
+#  define KL_IRQ_TPM1          (34)  /* Vector 34: Timer/PWM Module 1 */
+#  define KL_IRQ_TPM2          (35)  /* Vector 35: Timer/PWM Module 2 */
+#  define KL_IRQ_RTC           (36)  /* Vector 36: Realtime Clock */
+#  define KL_IRQ_RTCSEC        (37)  /* Vector 37: Realtime Clock, seconds interrupt */
+#  define KL_IRQ_PIT           (38)  /* Vector 38: Programmable Interrupt Timer */
+                                     /* Vector 39: Reserved */
+#  define KL_IRQ_USB0          (40)  /* Vector 40: USB0 */
+#  define KL_IRQ_DAC0          (41)  /* Vector 41: Digital Analog Converter 0 */
+#  define KL_IRQ_TSI0          (42)  /* Vector 42: TSI0 */
+#  define KL_IRQ_MCG           (43)  /* Vector 43: MCG */
+#  define KL_IRQ_LPTIMER       (44)  /* Vector 44: Low Power Timer */
+                                     /* Vector 45: Reserved */
+#  define KL_IRQ_PORTA         (46)  /* Vector 46: GPIO Port A */
+#  define KL_IRQ_PORTD         (47)  /* Vector 47: GPIO Port D */
+
+/* Note that the total number of IRQ numbers supported is equal to the number of
+ * valid interrupt vectors.  This is wasteful in that certain tables are sized by
+ * this value.  There are only 94 valid interrupts so, potentially the numver of
+ * IRQs to could be reduced to 94.  However, equating IRQ numbers with vector numbers
+ * also simplifies operations on NVIC registers and (at least in my state of mind
+ * now) seems to justify the waste.
+ */
+
+#  define NR_VECTORS            (64) /* 64 vectors */
+#  define NR_IRQS               (64) /* 64 interrupts but 48 IRQ numbers */
+#  define KL_IRQ_INTERRUPT      (64)
+
+#else
+  /* The interrupt vectors for other parts are defined in other documents and may or
+   * may not be the same as above (the family members are all very similar)  This
+   * error just means that you have to look at the document and determine for yourself
+   * if the memory map is the same.
+   */
+
+#  error "No IRQ numbers for this Kinetis L part"
+#endif
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+#ifndef __ASSEMBLY__
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+#endif
+
+#endif /* __ARCH_ARM_INCLUDE_KL_IRQ_H */
+