srenblad/zynq-rs
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experiments: use OCM instead of OCM3 (#54)

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This commit is contained in:
pca006132 2020-07-28 11:39:46 +08:00
parent b099c56569
commit c50e72f91e
2 changed files with 23 additions and 22 deletions
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8
experiments/link.x
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@ -32,19 +32,19 @@ SECTIONS
*(.bss .bss.*);
. = ALIGN(4);
__bss_end = .;
} > OCM3
} > OCM
.stack1 (NOLOAD) : ALIGN(8) {
__stack1_end = .;
. += 0x200;
__stack1_start = .;
} > OCM3
} > OCM
.stack0 (NOLOAD) : ALIGN(8) {
__stack0_end = .;
. = ORIGIN(OCM3) + LENGTH(OCM3) - 8;
. = ORIGIN(OCM) + LENGTH(OCM) - 8;
__stack0_start = .;
} > OCM3
} > OCM
/DISCARD/ :
{

37
experiments/src/main.rs
View File

@ -83,24 +83,25 @@ pub fn main_core0() {
clocks.cpu_1x()
);
let sd = libboard_zynq::sdio::SDIO::sdio0(true);
// only test SD card if it is inserted
if sd.is_card_inserted() {
let result = SdCard::from_sdio(sd);
match &result {
Ok(_) => info!("OK!"),
Err(a) => info!("{}", a),
};
const SIZE: usize = 512 * 2 + 1;
let mut sd_card = result.unwrap();
if false {
let buffer: [u8; SIZE] = [5; SIZE];
sd_card.write_block(0x0, 2, &buffer).unwrap();
}
let mut buffer: [u8; SIZE] = [0; SIZE];
sd_card.read_block(0 /*0x1*/, 2, &mut buffer[1..]).unwrap();
info!("buffer = {:?}", &buffer[..]);
}
// commented out due to OCM full
// let sd = libboard_zynq::sdio::SDIO::sdio0(true);
// // only test SD card if it is inserted
// if sd.is_card_inserted() {
// let result = SdCard::from_sdio(sd);
// match &result {
// Ok(_) => info!("OK!"),
// Err(a) => info!("{}", a),
// };
// const SIZE: usize = 512 * 2 + 1;
// let mut sd_card = result.unwrap();
// if false {
// let buffer: [u8; SIZE] = [5; SIZE];
// sd_card.write_block(0x0, 2, &buffer).unwrap();
// }
// let mut buffer: [u8; SIZE] = [0; SIZE];
// sd_card.read_block(0 /*0x1*/, 2, &mut buffer[1..]).unwrap();
// info!("buffer = {:?}", &buffer[..]);
// }
let mut flash = zynq::flash::Flash::new(200_000_000).linear_addressing_mode();
let flash_ram: &[u8] = unsafe { core::slice::from_raw_parts(flash.ptr(), flash.size()) };