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as3525v2: effect of CGU_PROC on fclk is instant

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We do not need any delay after modifying it in system_init(), so the
same applies in set_cpu_frequency()

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25753 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rafaël Carré 2010-04-29 00:43:24 +00:00
parent 5187b4199b
commit 2a180e8039
1 changed files with 0 additions and 5 deletions
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5
firmware/target/arm/as3525/system-as3525.c
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@ -465,9 +465,6 @@ void set_cpu_frequency(long frequency)
CGU_PROC = ((AS3525_FCLK_POSTDIV << 4) | CGU_PROC = ((AS3525_FCLK_POSTDIV << 4) |
(AS3525_FCLK_PREDIV << 2) | (AS3525_FCLK_PREDIV << 2) |
AS3525_FCLK_SEL); AS3525_FCLK_SEL);
delay = 40; while(delay--) asm("nop");
} }
else else
{ {
@ -477,8 +474,6 @@ void set_cpu_frequency(long frequency)
(AS3525_FCLK_PREDIV << 2) | (AS3525_FCLK_PREDIV << 2) |
AS3525_FCLK_SEL); AS3525_FCLK_SEL);
delay = 40; while(delay--) asm("nop");
/* Change PCLK after FCLK is low, so it doesn't go too high */ /* Change PCLK after FCLK is low, so it doesn't go too high */
CGU_PERI = (CGU_PERI & ~(0xF << 2)) | (AS3525_PCLK_DIV0_UNBOOSTED << 2); CGU_PERI = (CGU_PERI & ~(0xF << 2)) | (AS3525_PCLK_DIV0_UNBOOSTED << 2);
delay = 40; while(delay--) asm("nop"); delay = 40; while(delay--) asm("nop");