Disable the clock the built in AS3525(v2) bootrom. This is only useful for reverse engineering purposes, so disable during normal operation in case it uses power.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30930 a1c6a512-1295-4272-9138-f99709370657
2011-11-08 02:07:26 +00:00 · 2011-11-08 02:07:26 +00:00 · 64c73c4751
commit 64c73c4751
parent c0125e1965
1 changed files with 2 additions and 0 deletions
--- a/firmware/target/arm/as3525/system-as3525.c
+++ b/firmware/target/arm/as3525/system-as3525.c
@ -224,6 +224,8 @@ void system_init(void)
    CGU_PERI &= ~0x7f;      /* pclk 24 MHz */
 #endif

+    CGU_PERI &= ~(1<<24);   /*disable built in boot rom clock*/
+
    /* bits 31:30 should be set to 0 in arm926-ejs */
    asm volatile(
        "mrc p15, 0, r0, c1, c0   \n"      /* control register */