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| author | Rafaël Carré <rafael.carre@gmail.com> | 2010-05-08 13:59:01 +0000 |
|---|---|---|
| committer | Rafaël Carré <rafael.carre@gmail.com> | 2010-05-08 13:59:01 +0000 |
| commit | b269b7854ff80d470da53ac048f4f19012e43520 (patch) | |
| tree | 198b085b27f5ed5ee81d008fdd5a4a94eed67076 | |
| parent | fe29ad2edd58d674d6924a6d3dc412e30e7ab41c (diff) | |
| download | rockbox-b269b7854ff80d470da53ac048f4f19012e43520.zip rockbox-b269b7854ff80d470da53ac048f4f19012e43520.tar.gz rockbox-b269b7854ff80d470da53ac048f4f19012e43520.tar.bz2 rockbox-b269b7854ff80d470da53ac048f4f19012e43520.tar.xz | |
as3525*: stop MPMCCLKOUT when all SDRAMs are idle
Get a bit more battery life (between 30 minutes and 2 hours)
as3525v2: only enabled in bootloader, we need a new binary release anwyway
as3525v1: enabled in rockbox.sansa as well, so we can continue using the
current bootloaders
Flyspray: FS#11246
Author: myself
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25900 a1c6a512-1295-4272-9138-f99709370657
| -rw-r--r-- | firmware/target/arm/as3525/system-as3525.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/firmware/target/arm/as3525/system-as3525.c b/firmware/target/arm/as3525/system-as3525.c index 47cb465..51fcd97 100644 --- a/firmware/target/arm/as3525/system-as3525.c +++ b/firmware/target/arm/as3525/system-as3525.c @@ -279,7 +279,8 @@ static void sdram_init(void) "ldr r4, [%0]\n" : : "p"(0x30000000+0x2300*MEM) : "r4"); - MPMC_DYNAMIC_CONTROL = 0x2; /* SDRAM NORMAL, MPMCCLKOUT runs continuously */ + /* SDRAM NORMAL, MPMCCLKOUT stopped when SDRAM is idle */ + MPMC_DYNAMIC_CONTROL = 0x0; MPMC_DYNAMIC_CONFIG_0 |= (1<<19); /* buffer enable */ } @@ -343,8 +344,10 @@ void system_init(void) #endif AS3525_PCLK_SEL); -#ifdef BOOTLOADER +#if defined(BOOTLOADER) sdram_init(); +#elif CONFIG_CPU == AS3525 /* XXX: remove me when we have a new bootloader */ + MPMC_DYNAMIC_CONTROL = 0x0; /* MPMCCLKOUT stops when all SDRAMs are idle */ #endif /* BOOTLOADER */ #if 0 /* the GPIO clock is already enabled by the dualboot function */ |