How to estimate flash size of CC1310 ?

//*****************************************************************************
//! @file       cc26x0f128.icf
//! @brief      CC26x0F128 PG2 linker configuration file for IAR EWARM.
//!
//! Revised     $Date: 2014-09-03 17:58:47 +0200 (on, 03 sep 2014) $
//! Revision    $Revision: 13661 $
//
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/*###ICF### Section handled by ICF editor, don't touch! ****/
/*-Editor annotation file-*/
/* IcfEditorFile="$TOOLKIT_DIR$\config\ide\IcfEditor\cortex_v1_0.xml" */
/*-Specials-*/
define symbol __ICFEDIT_intvec_start__ = 0;
/*-Memory Regions-*/
define symbol __ICFEDIT_region_ROM_start__ = 0x00000000;
//set Flash end in here .... by jack
define symbol __ICFEDIT_region_ROM_end__   = 0x00007FFF;
define symbol __ICFEDIT_region_RAM_start__ = 0x20000000;
define symbol __ICFEDIT_region_RAM_end__   = 0x20004FFF;
/*-Sizes-*/
define symbol __ICFEDIT_size_cstack__ = 0x800;
define symbol __ICFEDIT_size_heap__   = 0x1000;
/**** End of ICF editor section. ###ICF###*/

//
// Define a memory region that covers the entire 4 GB addressable space of the
// processor.
//
define memory mem with size = 4G;

//
// Define a region for the on-chip flash.
//
define region FLASH_region   = mem:[from __ICFEDIT_region_ROM_start__ to __ICFEDIT_region_ROM_end__];

//
// Define a region for the on-chip SRAM.
//
define region RAM_region     = mem:[from __ICFEDIT_region_RAM_start__ to __ICFEDIT_region_RAM_end__];

//
// Place the interrupt vectors at the start of flash.
//
place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
keep { section .intvec};

//
// Place the CCA area at the end of flash
//
place at end of FLASH_region { readonly section .ccfg };
keep { section .ccfg };

//
// Place remaining 'read only' in Flash
//
place in FLASH_region { readonly };


//
// Place .vtable_ram in start of RAM
//
place at start of RAM_region { section .vtable_ram };

//
// Define CSTACK block to contain .stack section. This enables the IAR IDE
// to properly show the stack content during debug. Place stack at end of
// retention RAM, do not initialize (initializing the stack will destroy the
// return address from the initialization code, causing the processor to branch
// to zero and fault)
//
define block CSTACK with alignment = 8, size = __ICFEDIT_size_cstack__ { section .stack };
place at end of RAM_region { block CSTACK };
do not initialize { section .stack, section .noinit};

//
// Export stack top symbol. Used by startup file.
//
define exported symbol STACK_TOP = __ICFEDIT_region_RAM_end__ + 1;

//
// Define a block for the heap.  The size should be set to something other
// than zero if things in the C library that require the heap are used.
//
define block HEAP with alignment = 8, size = __ICFEDIT_size_heap__ { };
place in RAM_region { block HEAP };

//
// Place all read/write items into RAM.
//
place in RAM_region   { readwrite };
initialize by copy { readwrite };

//
// The USE_TIRTOS_ROM symbol is defined internally in the build flow (using
// --config_def USE_TIRTOS_ROM=1) for TI-RTOS applications whose app.cfg file
// specifies to use the ROM.
//
if (isdefinedsymbol(USE_TIRTOS_ROM)) {
    include "TIRTOS_ROM.icf";
}