From 3952e6d008ce429d78740363bf2ec76b89f825ee Mon Sep 17 00:00:00 2001 From: Rafaël Carré Date: Fri, 7 Nov 2008 10:52:26 +0000 Subject: 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 --- firmware/target/arm/as3525/ata_sd_as3525.c | 23 ++++------------------- 1 file changed, 4 insertions(+), 19 deletions(-) (limited to 'firmware/target') diff --git a/firmware/target/arm/as3525/ata_sd_as3525.c b/firmware/target/arm/as3525/ata_sd_as3525.c index 9c64a9614d..77d1ec1504 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 -- cgit v1.2.3