Lpc2000

At 11:05 PM 12/16/03 +0100, you wrote:
>Has someone in the group already created such a linker script for the
>LPC2106 ?
>I started to modify the example, but it seems to be a non trivial task,
>without knowing the right syntax of a linker script.
>
>I think, what i am searching for is a "hello world" for LPC2106 with gnu arm
>toolchain from source to hex-file...
>Leon: This is perhaps worth uploading to your website ?
>
>Greetings,
One linker script coming up.  This is for the 2104 but should be trivial to 
modify for the 2106.  I've got more to do, particularly for the register 
definitions.  The endless loop references provide default traps for any 
exception vectors I don't define.

SEARCH_DIR( /home/radsett/install/arm-elf/lib)
SEARCH_DIR( /home/radsett/install/lib/gcc-lib/arm-elf/3.3.2)
MEMORY {
   flash : ORIGIN = 0, LENGTH = 120K
   ram : ORIGIN = 0x40000000, LENGTH = 16K
   }

__stack_end__ = 0x40000000 + 16K - 4;
SECTIONS {
  . = 0;
  startup : { *(.startup)} >flash
  prog : {
         *(.text)
         *(.rodata)
         *(.rodata*)
         *(.glue_7)
         *(.glue_7t)
         } >flash
  __end_of_text__ = .;
  .data : {
         __data_beg__ = .;
         __data_beg_src__ = __end_of_text__;
         *(.data)
         __data_end__ = .;
         } >ram AT>flash
  .bss : {
         __bss_beg__ = .;
         *(.bss)
         } >ram
    /* Align here to ensure that the .bss section occupies space up to
       _end.  Align after .bss to ensure correct alignment even if the
       .bss section disappears because there are no input sections.  */
    . = ALIGN(32 / 8);
   }
   . = ALIGN(32 / 8);
   _end = .;
   _bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
   PROVIDE (end = .);
INPUT( -lc -lgcc)
PROVIDE( undefined_instruction_exception = endless_loop);
PROVIDE( software_interrupt_exception = endless_loop);
PROVIDE( prefetch_abort_exception = endless_loop);
PROVIDE( data_abort_exception = endless_loop);
PROVIDE( reserved_exception = endless_loop);
PROVIDE( interrupt_exception = endless_loop);
PROVIDE( fast_interrupt_exception = endless_loop);

PROVIDE( PINSEL0 = 0xE002C000);
PROVIDE( IODIR = 0xE0028008);
PROVIDE( IOCLR = 0xE002800C);
PROVIDE( IOSET = 0xE0028004);

/* UART 0 */

PROVIDE( U0RBR = 0xE000C000);
PROVIDE( U0THR = 0xE000C000);
PROVIDE( U0IER = 0xE000C004);
PROVIDE( U0IIR = 0xE000C008);
PROVIDE( U0FCR = 0xE000C008);
PROVIDE( U0LCR = 0xE000C00C);
PROVIDE( U0LSR = 0xE000C014);
PROVIDE( U0SCR = 0xE000C01C);
PROVIDE( U0DLL = 0xE000C000);
PROVIDE( U0DLM = 0xE000C004);

/* PLL */

PROVIDE( PLLCON = 0xE01FC080);
PROVIDE( PLLCFG = 0xE01FC084);
PROVIDE( PLLSTAT = 0xE01FC088);
PROVIDE( PLLFEED = 0xE01FC08C);

/* MAM */

PROVIDE( MAMCR = 0xE01FC000);
PROVIDE( MAMTIM = 0xE01FC004);

/* VPB */

PROVIDE( VPBDIV = 0xE01FC100);

/* TIMER 0 */

PROVIDE( T0IR = 0xE0004000);
PROVIDE( T0TCR = 0xE0004004);
PROVIDE( T0TC = 0xE0004008);
PROVIDE( T0PR = 0xE000400C);
PROVIDE( T0PC = 0xE0004010);
PROVIDE( T0MCR = 0xE0004014);
PROVIDE( T0MR0 = 0xE0004018);
PROVIDE( T0MR1 = 0xE000401C);
PROVIDE( T0MR2 = 0xE0004020);
PROVIDE( T0MR3 = 0xE0004024);
PROVIDE( T0CCR = 0xE0004028);
PROVIDE( T0CR0 = 0xE000402C);
PROVIDE( T0CR1 = 0xE0004030);
PROVIDE( T0CR2 = 0xE0004034);
PROVIDE( T0EMR = 0xE000403C);


Robert

" 'Freedom' has no meaning of itself.  There are always restrictions,
be they legal, genetic, or physical.  If you don't believe me, try to
chew a radio signal. "

                         Kelvin Throop, III