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| author | Rafaël Carré <rafael.carre@gmail.com> | 2008-11-07 10:52:26 +0000 |
|---|---|---|
| committer | Rafaël Carré <rafael.carre@gmail.com> | 2008-11-07 10:52:26 +0000 |
| commit | 3952e6d008ce429d78740363bf2ec76b89f825ee (patch) | |
| tree | 7e23ffaef8dc44340811e558c1f6a4a0348ddb2b | |
| parent | 2b81bce27caeb3d4abb800dbac9bdf803d9170ea (diff) | |
| download | rockbox-3952e6d008ce429d78740363bf2ec76b89f825ee.zip rockbox-3952e6d008ce429d78740363bf2ec76b89f825ee.tar.gz rockbox-3952e6d008ce429d78740363bf2ec76b89f825ee.tar.bz2 rockbox-3952e6d008ce429d78740363bf2ec76b89f825ee.tar.xz | |
AS3525: enable access to the embedded SD card
Don't reset the peripherals
Don't mind about the spare register
Don't mind about MEMSTICK peripheral
Use correct clock speeds for IDE
Tested on Clip only
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19036 a1c6a512-1295-4272-9138-f99709370657
| -rw-r--r-- | firmware/target/arm/as3525/ata_sd_as3525.c | 23 |
1 files changed, 4 insertions, 19 deletions
diff --git a/firmware/target/arm/as3525/ata_sd_as3525.c b/firmware/target/arm/as3525/ata_sd_as3525.c index 9c64a96..77d1ec1 100644 --- a/firmware/target/arm/as3525/ata_sd_as3525.c +++ b/firmware/target/arm/as3525/ata_sd_as3525.c @@ -285,25 +285,10 @@ static void init_pl180_controller(const int drive) int sd_init(void) { - /* reset peripherals */ - - CCU_SRC = -#ifdef HAVE_MULTIVOLUME - CCU_SRC_SDMCI_EN | -#endif - CCU_SRC_NAF_EN | CCU_SRC_IDE_EN | CCU_SRC_IDE_AHB_EN | CCU_SRC_MST_EN; - - CCU_SRL = CCU_SRL_MAGIC_NUMBER; - CCU_SRL = 0; - - GPIOC_DIR &= ~(1<<1); - if(GPIOC_PIN(1)) - CCU_SPARE1 |= 4; /* sets bit 2 of undocumented register */ - else - CCU_SPARE1 &= ~4; /* or clear it */ - - CGU_IDE = (1<<7)|(1<<6); /* enable, 24MHz clock */ - CGU_MEMSTICK = (1<<8); /* enable, 24MHz clock */ + CGU_IDE = (1<<7) /* AHB interface enable */ | + (1<<6) /* interface enable */ | + (2<<2) /* clock didiver = 2+1 */ | + 1 /* clock source = PLLA */; CGU_PERI |= CGU_NAF_CLOCK_ENABLE; #ifdef HAVE_MULTIVOLUME |