libboard_zynq: enable i2c+eeprom for target_kasli_soc

This commit is contained in:
Astro 2020-11-19 20:17:36 +01:00
parent d76a77b443
commit 975202a653
4 changed files with 35 additions and 15 deletions

View File

@ -22,6 +22,17 @@ impl<'a> EEPROM<'a> {
}
}
#[cfg(feature = "target_kasli_soc")]
pub fn new(i2c: &'a mut I2c, page_size: u8) -> Self {
EEPROM {
i2c: i2c,
port: 3,
address: 0x57,
page_size: page_size,
count_down: unsafe { crate::timer::GlobalTimer::get() }.countdown()
}
}
#[cfg(feature = "target_zc706")]
fn select(&mut self) -> Result<(), &'static str> {
let mask: u16 = 1 << self.port;
@ -29,6 +40,14 @@ impl<'a> EEPROM<'a> {
Ok(())
}
#[cfg(feature = "target_kasli_soc")]
fn select(&mut self) -> Result<(), &'static str> {
let mask: u16 = 1 << self.port;
// tca9548 is compatible with pca9548
self.i2c.pca9548_select(0b1110001, mask as u8)?;
Ok(())
}
/// Random read
pub fn read<'r>(&mut self, addr: u8, buf: &'r mut [u8]) -> Result<(), &'static str> {
self.select()?;

View File

@ -13,7 +13,7 @@ pub struct I2c {
}
impl I2c {
#[cfg(feature = "target_zc706")]
#[cfg(any(feature = "target_zc706", feature = "target_kasli_soc"))]
pub fn i2c0() -> Self {
// Route I2C 0 SCL / SDA Signals to MIO Pins 50 / 51
slcr::RegisterBlock::unlocked(|slcr| {

View File

@ -20,6 +20,7 @@ use libregister::{
//
// Current compatibility:
// zc706: GPIO 50, 51 == SCL, SDA
// kasli_soc: GPIO 50, 51 == SCL, SDA
pub struct RegisterBlock {
pub gpio_output_mask: &'static mut GPIOOutputMask,
@ -42,50 +43,50 @@ impl RegisterBlock {
// MASK_DATA_1_MSW:
// Maskable output data for MIO[53:48]
register!(gpio_output_mask, GPIOOutputMask, RW, u32);
#[cfg(feature = "target_zc706")]
#[cfg(any(feature = "target_zc706", feature = "target_kasli_soc"))]
register_at!(GPIOOutputMask, 0xE000A00C, new);
#[cfg(any(feature = "target_zc706", feature = "target_kasli_soc"))]
// Output for SCL
#[cfg(feature = "target_zc706")]
register_bit!(gpio_output_mask, scl_o, 2);
// Output for SDA
#[cfg(feature = "target_zc706")]
#[cfg(any(feature = "target_zc706", feature = "target_kasli_soc"))]
register_bit!(gpio_output_mask, sda_o, 3);
// Mask for keeping bits except SCL and SDA unchanged
#[cfg(feature = "target_zc706")]
#[cfg(any(feature = "target_zc706", feature = "target_kasli_soc"))]
register_bits!(gpio_output_mask, mask, u16, 16, 31);
// DATA_1_RO:
// Input data for MIO[53:32]
register!(gpio_input, GPIOInput, RO, u32);
#[cfg(feature = "target_zc706")]
#[cfg(any(feature = "target_zc706", feature = "target_kasli_soc"))]
register_at!(GPIOInput, 0xE000A064, new);
// Input for SCL
#[cfg(feature = "target_zc706")]
#[cfg(any(feature = "target_zc706", feature = "target_kasli_soc"))]
register_bit!(gpio_input, scl, 18);
// Input for SDA
#[cfg(feature = "target_zc706")]
#[cfg(any(feature = "target_zc706", feature = "target_kasli_soc"))]
register_bit!(gpio_input, sda, 19);
// DIRM_1:
// Direction mode for MIO[53:32]; 0/1 = in/out
register!(gpio_direction, GPIODirection, RW, u32);
#[cfg(feature = "target_zc706")]
#[cfg(any(feature = "target_zc706", feature = "target_kasli_soc"))]
register_at!(GPIODirection, 0xE000A244, new);
// Direction for SCL
#[cfg(feature = "target_zc706")]
#[cfg(any(feature = "target_zc706", feature = "target_kasli_soc"))]
register_bit!(gpio_direction, scl, 18);
// Direction for SDA
#[cfg(feature = "target_zc706")]
#[cfg(any(feature = "target_zc706", feature = "target_kasli_soc"))]
register_bit!(gpio_direction, sda, 19);
// OEN_1:
// Output enable for MIO[53:32]
register!(gpio_output_enable, GPIOOutputEnable, RW, u32);
#[cfg(feature = "target_zc706")]
#[cfg(any(feature = "target_zc706", feature = "target_kasli_soc"))]
register_at!(GPIOOutputEnable, 0xE000A248, new);
// Output enable for SCL
#[cfg(feature = "target_zc706")]
#[cfg(any(feature = "target_zc706", feature = "target_kasli_soc"))]
register_bit!(gpio_output_enable, scl, 18);
// Output enable for SDA
#[cfg(feature = "target_zc706")]
#[cfg(any(feature = "target_zc706", feature = "target_kasli_soc"))]
register_bit!(gpio_output_enable, sda, 19);

View File

@ -19,7 +19,7 @@ pub mod gic;
pub mod time;
pub mod timer;
pub mod sdio;
#[cfg(feature = "target_zc706")]
#[cfg(any(feature = "target_zc706", feature = "target_kasli_soc"))]
pub mod i2c;
pub mod logger;
pub mod ps7_init;