cc2538: Define the flash memory organization

Define the flash memory page and word sizes. These definitions are
grouped with the flash lock bit page and CCA definitions, so flash-cca.h
is renamed to flash.h.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>

cpu/cc2538/Makefile.cc2538

@@ -111,7 +111,7 @@ CUSTOM_RULE_LINK=1
 LDGENFLAGS += $(addprefix -D,$(subst $(COMMA), ,$(DEFINES)))
 LDGENFLAGS += $(addprefix -I,$(SOURCEDIRS))
 LDGENFLAGS += -imacros "contiki-conf.h" -imacros "dev/cc2538-dev.h"
-LDGENFLAGS += -imacros "dev/flash-cca.h"
+LDGENFLAGS += -imacros "dev/flash.h"
 LDGENFLAGS += -x c -P -E
 
 # NB: Assumes LDSCRIPT was not overridden and is in $(OBJECTDIR)

cpu/cc2538/dev/flash.h

@@ -36,22 +36,28 @@
  * \addtogroup cc2538
  * @{
  *
- * \defgroup cc2538-flash-cca cc2538 flash CCA
+ * \defgroup cc2538-flash cc2538 flash memory
  *
- * Definitions for the cc2538 flash lock bit page and customer configuration
- * area
+ * Definitions for the cc2538 flash memory
  * @{
  *
  * \file
- * Header file for the flash lock bit page and CCA definitions
+ * Header file for the flash memory definitions
  */
-#ifndef FLASH_CCA_H_
-#define FLASH_CCA_H_
+#ifndef FLASH_H_
+#define FLASH_H_
 
 #include "dev/cc2538-dev.h"
 
 #include <stdint.h>
 /*---------------------------------------------------------------------------*/
+/** \name Flash memory organization
+ * @{
+ */
+#define FLASH_PAGE_SIZE 2048
+#define FLASH_WORD_SIZE 4
+/** @} */
+/*---------------------------------------------------------------------------*/
 /** \name Flash lock bit page and CCA location
  * @{
  */
@@ -95,7 +101,7 @@ typedef struct {
 } flash_cca_lock_page_t;
 /** @} */
 
-#endif /* FLASH_CCA_H_ */
+#endif /* FLASH_H_ */
 
 /**
  * @}

cpu/cc2538/startup-gcc.c

@@ -38,7 +38,7 @@
  */
 #include "contiki.h"
 #include "reg.h"
-#include "flash-cca.h"
+#include "flash.h"
 #include "sys-ctrl.h"
 #include "rom-util.h"