zynq-rs/libboard_zynq/src/axi_hp.rs

60 lines
1.7 KiB
Rust
Raw Normal View History

2019-10-19 05:46:00 +08:00
//! AXI_HP Interface (AFI)
use volatile_register::RW;
use libregister::{register, register_bit, register_bits};
2019-10-19 05:46:00 +08:00
pub unsafe fn axi_hp0() -> &'static RegisterBlock {
&*(0xF8008000 as *const _)
}
pub unsafe fn axi_hp1() -> &'static RegisterBlock {
&*(0xF8009000 as *const _)
}
pub unsafe fn axi_hp2() -> &'static RegisterBlock {
&*(0xF800A000 as *const _)
}
pub unsafe fn axi_hp3() -> &'static RegisterBlock {
&*(0xF800B000 as *const _)
}
#[repr(C)]
pub struct RegisterBlock {
/// Read Channel Control Register
pub rdchan_ctrl: RdchanCtrl,
/// Read Issuing Capability Register
pub rdchan_issuingcap: RW<u32>,
/// QOS Read Channel Register
pub rdqos: RW<u32>,
/// Read Data FIFO Level Register
pub rddatafifo_level: RW<u32>,
/// Read Channel Debug Register
pub rddebug: RW<u32>,
/// Write Channel Control Register
pub wrchan_ctrl: WrchanCtrl,
/// Write Issuing Capability Register
pub wrchan_issuingcap: RW<u32>,
/// QOS Write Channel Register
pub wrqos: RW<u32>,
/// Write Data FIFO Level Register
pub wrdatafifo_level: RW<u32>,
/// Write Channel Debug Register
pub wrdebug: RW<u32>,
}
register!(rdchan_ctrl, RdchanCtrl, RW, u32);
register_bit!(rdchan_ctrl, en_32bit, 0);
register_bit!(rdchan_ctrl, fabric_qos_en, 1);
register_bit!(rdchan_ctrl, fabric_out_cmd_en, 2);
register_bit!(rdchan_ctrl, qos_head_of_cmd_q_en, 3);
register!(wrchan_ctrl, WrchanCtrl, RW, u32);
register_bit!(wrchan_ctrl, en_32bit, 0);
register_bit!(wrchan_ctrl, fabric_qos_en, 1);
register_bit!(wrchan_ctrl, fabric_out_cmd_en, 2);
register_bit!(wrchan_ctrl, qos_head_of_cmd_q_en, 3);
register_bits!(wrchan_ctrl, wr_cmd_release_mode, u8, 4, 5);
register_bits!(wrchan_ctrl, wr_data_threshold, u8, 8, 11);