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S5L8702: Clean up linker script, also add support for S5L8720

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Tested on ipod6g (normal + bootloader).

This is a part of the large iPod Nano 3G and iPod Nano 4G support patch.

Credit: Cástor Muñoz <cmvidal@gmail.com>
Change-Id: I64beed48e3d88436b9082d4ae387f39843ab2e20
This commit is contained in:
Vencislav Atanasov 2024-12-12 23:46:25 +02:00 • committed by Solomon Peachy
parent 0fef17206e
commit 06963a5ce4
1 changed files with 6 additions and 23 deletions
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29
firmware/target/arm/s5l8702/boot.lds
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@ -1,6 +1,7 @@
#define ASM
#include "config.h"
#include "cpu.h"
#include "crypto-s5l8702.h" /* IM3HDR_SZ */
ENTRY(start)
#ifdef ROCKBOX_LITTLE_ENDIAN
@ -13,42 +14,25 @@ STARTUP(target/arm/s5l8702/crt0.o)
#define MAX_LOADSIZE 8M /* reserved for loading Rockbox binary */
#ifdef IPOD_NANO2G
#define DRAMORIG 0x08000000 + ((MEMORYSIZE - 1) * 0x100000)
#define DRAMSIZE 0x00100000
#define IRAMORIG 0x22000000
#define IRAMSIZE 256K
MEMORY
{
DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
}
#define LOAD_AREA IRAM
#define VECT_AREA IRAM
#define BSS_AREA DRAM
#elif defined(IPOD_6G)
#if defined(IPOD_6G) || defined(IPOD_NANO3G) || defined(IPOD_NANO4G)
MEMORY
{
DRAM : ORIGIN = DRAM_ORIG, LENGTH = DRAM_SIZE
IRAM : ORIGIN = IRAM_ORIG, LENGTH = IRAM_SIZE
/* s5l8702 maps address 0 to ROM, IRAM or DRAM */
/* s5l8702/s5l8720 maps address 0 to ROM, IRAM or DRAM */
VECT_AREA : ORIGIN = 0, LENGTH = 1K
/* IRAM region where loaded IM3 body will be moved and executed,
preserving the loaded IM3 header (0x800 bytes) at IRAM1_ORIG */
MOVE_AREA : ORIGIN = IRAM1_ORIG + 0x800,
LENGTH = IRAM1_SIZE - 0x800
preserving the loaded IM3 header (0x600 or 0x800 bytes) at IRAM1_ORIG */
MOVE_AREA : ORIGIN = IRAM1_ORIG + IM3HDR_SZ,
LENGTH = IRAM1_SIZE - IM3HDR_SZ
/* DRAM region for BSS */
BSS_AREA : ORIGIN = DRAM_ORIG + MAX_LOADSIZE,
LENGTH = DRAM_SIZE - MAX_LOADSIZE - TTB_SIZE
}
#define LOAD_AREA MOVE_AREA
#else
#error No target defined!
#endif
@ -56,7 +40,6 @@ MEMORY
SECTIONS
{
_dfuloadaddr = IRAM0_ORIG ;
_movestart = LOADADDR(.text) ;
_moveend = LOADADDR(.data) + SIZEOF(.data) ;