zynq-rs/src/slcr.rs

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9.5 KiB
Rust
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///! Register definitions for System Level Control
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use volatile_register::{RO, WO, RW};
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use crate::{register, register_bit, register_bits, register_at, regs::RegisterW, regs::RegisterRW};
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pub enum PllSource {
IoPll = 0b00,
ArmPll = 0b10,
DdrPll = 0b11,
}
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#[repr(C)]
pub struct RegisterBlock {
pub scl: RW<u32>,
pub slcr_lock: SlcrLock,
pub slcr_unlock: SlcrUnlock,
pub slcr_locksta: RO<u32>,
reserved0: [u32; 60],
pub arm_pll_ctrl: RW<u32>,
pub ddr_pll_ctrl: RW<u32>,
pub io_pll_ctrl: RW<u32>,
pub pll_status: RO<u32>,
pub arm_pll_cfg: RW<u32>,
pub ddr_pll_cfg: RW<u32>,
pub io_pll_cfg: RW<u32>,
reserved1: [u32; 1],
pub arm_clk_ctrl: RW<u32>,
pub ddr_clk_ctrl: RW<u32>,
pub dci_clk_ctrl: RW<u32>,
pub aper_clk_ctrl: AperClkCtrl,
pub usb0_clk_ctrl: RW<u32>,
pub usb1_clk_ctrl: RW<u32>,
pub gem0_rclk_ctrl: RW<u32>,
pub gem1_rclk_ctrl: RW<u32>,
pub gem0_clk_ctrl: RW<u32>,
pub gem1_clk_ctrl: RW<u32>,
pub smc_clk_ctrl: RW<u32>,
pub lqspi_clk_ctrl: RW<u32>,
pub sdio_clk_ctrl: RW<u32>,
pub uart_clk_ctrl: UartClkCtrl,
pub spi_clk_ctrl: RW<u32>,
pub can_clk_ctrl: RW<u32>,
pub can_mioclk_ctrl: RW<u32>,
pub dbg_clk_ctrl: RW<u32>,
pub pcap_clk_ctrl: RW<u32>,
pub topsw_clk_ctrl: RW<u32>,
pub fpga0_clk_ctrl: RW<u32>,
pub fpga0_thr_ctrl: RW<u32>,
pub fpga0_thr_cnt: RW<u32>,
pub fpga0_thr_sta: RO<u32>,
pub fpga1_clk_ctrl: RW<u32>,
pub fpga1_thr_ctrl: RW<u32>,
pub fpga1_thr_cnt: RW<u32>,
pub fpga1_thr_sta: RO<u32>,
pub fpga2_clk_ctrl: RW<u32>,
pub fpga2_thr_ctrl: RW<u32>,
pub fpga2_thr_cnt: RW<u32>,
pub fpga2_thr_sta: RO<u32>,
pub fpga3_clk_ctrl: RW<u32>,
pub fpga3_thr_ctrl: RW<u32>,
pub fpga3_thr_cnt: RW<u32>,
pub fpga3_thr_sta: RO<u32>,
reserved2: [u32; 5],
pub clk_621_true: RW<u32>,
reserved3: [u32; 14],
pub pss_rst_ctrl: RW<u32>,
pub ddr_rst_ctrl: RW<u32>,
pub topsw_rst_ctrl: RW<u32>,
pub dmac_rst_ctrl: RW<u32>,
pub usb_rst_ctrl: RW<u32>,
pub gem_rst_ctrl: RW<u32>,
pub sdio_rst_ctrl: RW<u32>,
pub spi_rst_ctrl: RW<u32>,
pub can_rst_ctrl: RW<u32>,
pub i2c_rst_ctrl: RW<u32>,
pub uart_rst_ctrl: UartRstCtrl,
pub gpio_rst_ctrl: RW<u32>,
pub lqspi_rst_ctrl: RW<u32>,
pub smc_rst_ctrl: RW<u32>,
pub ocm_rst_ctrl: RW<u32>,
reserved4: [u32; 1],
pub fpga_rst_ctrl: RW<u32>,
pub a9_cpu_rst_ctrl: RW<u32>,
reserved5: [u32; 1],
pub rs_awdt_ctrl: RW<u32>,
reserved6: [u32; 2],
pub reboot_status: RW<u32>,
pub boot_mode: RW<u32>,
reserved7: [u32; 40],
pub apu_ctrl: RW<u32>,
pub wdt_clk_sel: RW<u32>,
reserved8: [u32; 78],
pub tz_dma_ns: RW<u32>,
pub tz_dma_irq_ns: RW<u32>,
pub tz_dma_periph_ns: RW<u32>,
reserved9: [u32; 57],
pub pss_idcode: RW<u32>,
reserved10: [u32; 51],
pub ddr_urgent: RW<u32>,
reserved11: [u32; 2],
pub ddr_cal_start: RW<u32>,
reserved12: [u32; 1],
pub ddr_ref_start: RW<u32>,
pub ddr_cmd_sta: RW<u32>,
pub ddr_urgent_sel: RW<u32>,
pub ddr_dfi_status: RW<u32>,
reserved13: [u32; 55],
pub mio_pin_00: RW<u32>,
pub mio_pin_01: RW<u32>,
pub mio_pin_02: RW<u32>,
pub mio_pin_03: RW<u32>,
pub mio_pin_04: RW<u32>,
pub mio_pin_05: RW<u32>,
pub mio_pin_06: RW<u32>,
pub mio_pin_07: RW<u32>,
pub mio_pin_08: RW<u32>,
pub mio_pin_09: RW<u32>,
pub mio_pin_10: RW<u32>,
pub mio_pin_11: RW<u32>,
pub mio_pin_12: RW<u32>,
pub mio_pin_13: RW<u32>,
pub mio_pin_14: RW<u32>,
pub mio_pin_15: RW<u32>,
pub mio_pin_16: RW<u32>,
pub mio_pin_17: RW<u32>,
pub mio_pin_18: RW<u32>,
pub mio_pin_19: RW<u32>,
pub mio_pin_20: RW<u32>,
pub mio_pin_21: RW<u32>,
pub mio_pin_22: RW<u32>,
pub mio_pin_23: RW<u32>,
pub mio_pin_24: RW<u32>,
pub mio_pin_25: RW<u32>,
pub mio_pin_26: RW<u32>,
pub mio_pin_27: RW<u32>,
pub mio_pin_28: RW<u32>,
pub mio_pin_29: RW<u32>,
pub mio_pin_30: RW<u32>,
pub mio_pin_31: RW<u32>,
pub mio_pin_32: RW<u32>,
pub mio_pin_33: RW<u32>,
pub mio_pin_34: RW<u32>,
pub mio_pin_35: RW<u32>,
pub mio_pin_36: RW<u32>,
pub mio_pin_37: RW<u32>,
pub mio_pin_38: RW<u32>,
pub mio_pin_39: RW<u32>,
pub mio_pin_40: RW<u32>,
pub mio_pin_41: RW<u32>,
pub mio_pin_42: RW<u32>,
pub mio_pin_43: RW<u32>,
pub mio_pin_44: RW<u32>,
pub mio_pin_45: RW<u32>,
pub mio_pin_46: RW<u32>,
pub mio_pin_47: RW<u32>,
pub mio_pin_48: MioPin48,
pub mio_pin_49: MioPin49,
pub mio_pin_50: RW<u32>,
pub mio_pin_51: RW<u32>,
pub mio_pin_52: RW<u32>,
pub mio_pin_53: RW<u32>,
reserved14: [u32; 11],
pub mio_loopback: RW<u32>,
reserved15: [u32; 1],
pub mio_mst_tri0: RW<u32>,
pub mio_mst_tri1: RW<u32>,
reserved16: [u32; 7],
pub sd0_wp_cd_sel: RW<u32>,
pub sd1_wp_cd_sel: RW<u32>,
reserved17: [u32; 50],
pub lvl_shftr_en: RW<u32>,
reserved18: [u32; 3],
pub ocm_cfg: RW<u32>,
reserved19: [u32; 123],
pub gpiob_ctrl: RW<u32>,
pub gpiob_cfg_cmos18: RW<u32>,
pub gpiob_cfg_cmos25: RW<u32>,
pub gpiob_cfg_cmos33: RW<u32>,
reserved20: [u32; 1],
pub gpiob_cfg_hstl: RW<u32>,
pub gpiob_drvr_bias_ctrl: RW<u32>,
reserved21: [u32; 9],
pub ddriob_addr1: RW<u32>,
pub ddriob_data0: RW<u32>,
pub ddriob_data1: RW<u32>,
pub ddriob_diff0: RW<u32>,
pub ddriob_diff1: RW<u32>,
pub ddriob_clock: RW<u32>,
pub w_addr: RW<u32>,
pub w_data: RW<u32>,
pub w_diff: RW<u32>,
pub w_clock: RW<u32>,
pub ddriob_ddr_ctrl: RW<u32>,
pub ddriob_dci_ctrl: RW<u32>,
pub ddriob_dci_status: RW<u32>,
}
register_at!(RegisterBlock, 0xF8000000, new);
impl RegisterBlock {
pub fn unlocked<F: FnMut(&mut Self) -> R, R>(mut f: F) -> R {
let mut self_ = Self::new();
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self_.slcr_unlock.unlock();
let r = f(&mut self_);
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self_.slcr_lock.lock();
r
}
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}
register!(slcr_lock, SlcrLock, WO, u32);
register_bits!(slcr_lock, lock_key, u16, 0, 15);
impl SlcrLock {
pub fn lock(&mut self) {
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self.write(
Self::zeroed()
.lock_key(0x767B)
);
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}
}
register!(slcr_unlock, SlcrUnlock, WO, u32);
register_bits!(slcr_unlock, unlock_key, u16, 0, 15);
impl SlcrUnlock {
pub fn unlock(&mut self) {
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self.write(
Self::zeroed()
.unlock_key(0xDF0D)
);
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}
}
register!(aper_clk_ctrl, AperClkCtrl, RW, u32);
register_bit!(aper_clk_ctrl, uart1_cpu_1xclkact, 21);
register_bit!(aper_clk_ctrl, uart0_cpu_1xclkact, 20);
impl AperClkCtrl {
pub fn enable_uart0(&mut self) {
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self.modify(|_, w| w.uart0_cpu_1xclkact(true));
}
pub fn enable_uart1(&mut self) {
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self.modify(|_, w| w.uart1_cpu_1xclkact(true));
}
}
register!(uart_clk_ctrl, UartClkCtrl, RW, u32);
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register_bit!(uart_clk_ctrl, clkact0, 0);
register_bit!(uart_clk_ctrl, clkact1, 1);
register_bits!(uart_clk_ctrl, divisor, u8, 8, 13);
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register_bits!(uart_clk_ctrl, srcsel, u8, 4, 5);
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register_at!(UartClkCtrl, 0xF8000154, new);
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impl UartClkCtrl {
pub fn enable_uart0(&mut self) {
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self.modify(|_, w| {
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// a. Clock divisor, slcr.UART_CLK_CTRL[DIVISOR] = 0x14.
// b. Select the IO PLL, slcr.UART_CLK_CTRL[SRCSEL] = 0.
// c. Enable the UART 0 Reference clock, slcr.UART_CLK_CTRL [CLKACT0] = 1.
w.divisor(0x14)
.srcsel(PllSource::IoPll as u8)
.clkact0(true)
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})
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}
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pub fn enable_uart1(&mut self) {
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self.modify(|_, w| {
// a. Clock divisor, slcr.UART_CLK_CTRL[DIVISOR] = 0x14.
// b. Select the IO PLL, slcr.UART_CLK_CTRL[SRCSEL] = 0.
// c. Enable the UART 1 Reference clock, slcr.UART_CLK_CTRL [CLKACT1] = 1.
w.divisor(0x14)
.srcsel(PllSource::IoPll as u8)
.clkact1(true)
})
}
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}
register!(uart_rst_ctrl, UartRstCtrl, RW, u32);
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register_bit!(uart_rst_ctrl, uart0_ref_rst, 3);
register_bit!(uart_rst_ctrl, uart1_ref_rst, 2);
register_bit!(uart_rst_ctrl, uart0_cpu1x_rst, 1);
register_bit!(uart_rst_ctrl, uart1_cpu1x_rst, 0);
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register_at!(UartRstCtrl, 0xF8000228, new);
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impl UartRstCtrl {
pub fn reset_uart0(&mut self) {
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self.modify(|_, w|
w.uart0_ref_rst(true)
.uart0_cpu1x_rst(true)
);
self.modify(|_, w|
w.uart0_ref_rst(false)
.uart0_cpu1x_rst(false)
);
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}
pub fn reset_uart1(&mut self) {
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self.modify(|_, w|
w.uart1_ref_rst(true)
.uart1_cpu1x_rst(true)
);
self.modify(|_, w|
w.uart1_ref_rst(false)
.uart1_cpu1x_rst(false)
);
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}
}
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/// Used for MioPin*.io_type
pub enum IoBufferType {
Lvcmos18 = 0b001,
Lvcmos25 = 0b010,
Lvcmos33 = 0b011,
Hstl = 0b100,
}
macro_rules! mio_pin_register {
($mod_name: ident, $struct_name: ident) => (
register!($mod_name, $struct_name, RW, u32);
register_bit!($mod_name, disable_rcvr, 13);
register_bit!($mod_name, pullup, 12);
register_bits!($mod_name, io_type, u8, 9, 11);
register_bit!($mod_name, speed, 8);
register_bits!($mod_name, l3_sel, u8, 5, 7);
register_bits!($mod_name, l2_sel, u8, 3, 4);
register_bit!($mod_name, l1_sel, 2);
register_bit!($mod_name, l0_sel, 1);
register_bit!($mod_name, tri_enable, 0);
);
}
mio_pin_register!(mio_pin_48, MioPin48);
mio_pin_register!(mio_pin_49, MioPin49);