From f5041538574c039b07c4db8d261bd33ec0f3bab0 Mon Sep 17 00:00:00 2001 From: Rafaël Carré Date: Mon, 8 Jun 2009 23:05:33 +0000 Subject: FS#10048 : enable MMU and data cache on Sansa AMS to give a major speed up - cache IRAM and DRAM - map IRAM just next to DRAM to remove the need for -mlong-calls and reduce binsize - tweak delays in Fuze button code - tweak delays in Clip button code (down button sometimes doesn't respond anyway : an alternate driver is being worked on) Before reporting any problem, please check your filesystem or format your player from the OF git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21228 a1c6a512-1295-4272-9138-f99709370657 --- firmware/target/arm/crt0.S | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) (limited to 'firmware/target/arm/crt0.S') diff --git a/firmware/target/arm/crt0.S b/firmware/target/arm/crt0.S index 35d0aecccb..4bd01e4952 100644 --- a/firmware/target/arm/crt0.S +++ b/firmware/target/arm/crt0.S @@ -58,16 +58,8 @@ newstart: msr cpsr_c, #0xd3 /* enter supervisor mode, disable IRQ/FIQ */ #if CONFIG_CPU==AS3525 && !defined(BOOTLOADER) - - /* relocate vectors */ - mov r1, #0 @ destination - ldr r2, =_vectorscopy @ source - ldr r3, =_vectorsend @ end - -1: ldr r0, [r2], #4 - str r0, [r1], #4 - cmp r1, r3 - bne 1b + /* Setup MMU : has to be done before accessing IRAM ! */ + bl memory_init /* Zero out IBSS */ ldr r2, =_iedata -- cgit v1.2.3