M-Labs/artiq-zynq
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Fix I2C I/O expander settings for VUSB_PRESENT_N on Kasli-SoC 1.1

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Co-authored-by: morgan <mc@m-labs.hk>
Co-committed-by: morgan <mc@m-labs.hk>
This commit is contained in:
morgan 2023-09-04 15:50:45 +08:00 committed by sb10q
parent 5597927df9
commit b47152f2c2
4 changed files with 29 additions and 12 deletions
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6
src/gateware/kasli_soc.py
View File

@ -123,6 +123,8 @@ class GenericStandalone(SoCCore):
ident = "acpki_" + ident
SoCCore.__init__(self, platform=platform, csr_data_width=32, ident=ident)
self.config["hw_rev"] = description["hw_rev"]
platform.add_platform_command("create_clock -name clk_fpga_0 -period 8 [get_pins \"PS7/FCLKCLK[0]\"]")
platform.add_platform_command("set_input_jitter clk_fpga_0 0.24")
@ -209,6 +211,8 @@ class GenericMaster(SoCCore):
ident = "acpki_" + ident
SoCCore.__init__(self, platform=platform, csr_data_width=32, ident=ident)
self.config["hw_rev"] = description["hw_rev"]
platform.add_platform_command("create_clock -name clk_fpga_0 -period 8 [get_pins \"PS7/FCLKCLK[0]\"]")
platform.add_platform_command("set_input_jitter clk_fpga_0 0.24")
@ -334,6 +338,8 @@ class GenericSatellite(SoCCore):
ident = "acpki_" + ident
SoCCore.__init__(self, platform=platform, csr_data_width=32, ident=ident)
self.config["hw_rev"] = description["hw_rev"]
platform.add_platform_command("create_clock -name clk_fpga_0 -period 8 [get_pins \"PS7/FCLKCLK[0]\"]")
platform.add_platform_command("set_input_jitter clk_fpga_0 0.24")

23
src/libboard_artiq/src/io_expander.rs
View File

@ -10,6 +10,25 @@ struct Registers {
gpiob: u8, // Output Port 1
}
//IO expanders pins
const IODIR_OUT_SFP_TX_DISABLE: u8 = 0x02;
const IODIR_OUT_SFP_LED: u8 = 0x40;
#[cfg(hw_rev = "v1.0")]
const IODIR_OUT_SFP0_LED: u8 = 0x40;
#[cfg(hw_rev = "v1.1")]
const IODIR_OUT_SFP0_LED: u8 = 0x80;
//IO expander port direction
const IODIR0: [u8; 2] = [
0xFF & !IODIR_OUT_SFP_TX_DISABLE & !IODIR_OUT_SFP0_LED,
0xFF & !IODIR_OUT_SFP_TX_DISABLE & !IODIR_OUT_SFP_LED,
];
const IODIR1: [u8; 2] = [
0xFF & !IODIR_OUT_SFP_TX_DISABLE & !IODIR_OUT_SFP_LED,
0xFF & !IODIR_OUT_SFP_TX_DISABLE & !IODIR_OUT_SFP_LED,
];
pub struct IoExpander {
address: u8,
iodir: [u8; 2],
@ -25,7 +44,7 @@ impl IoExpander {
let mut io_expander = match index {
0 => IoExpander {
address: 0x40,
iodir: [0xff; 2],
iodir: IODIR0,
out_current: [0; 2],
out_target: [0; 2],
registers: Registers {
@ -37,7 +56,7 @@ impl IoExpander {
},
1 => IoExpander {
address: 0x42,
iodir: [0xff; 2],
iodir: IODIR1,
out_current: [0; 2],
out_target: [0; 2],
registers: Registers {

6
src/runtime/src/main.rs
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@ -128,11 +128,7 @@ pub fn main_core0() {
io_expander1
.init(i2c_bus)
.expect("I2C I/O expander #1 initialization failed");
// Actively drive TX_DISABLE to false on SFP0..3
io_expander0.set_oe(i2c_bus, 0, 1 << 1).unwrap();
io_expander1.set_oe(i2c_bus, 0, 1 << 1).unwrap();
io_expander0.set_oe(i2c_bus, 1, 1 << 1).unwrap();
io_expander1.set_oe(i2c_bus, 1, 1 << 1).unwrap();
// Drive TX_DISABLE to false on SFP0..3
io_expander0.set(0, 1, false);
io_expander1.set(0, 1, false);
io_expander0.set(1, 1, false);

6
src/satman/src/main.rs
View File

@ -483,11 +483,7 @@ pub extern fn main_core0() -> i32 {
io_expander1
.init(&mut i2c)
.expect("I2C I/O expander #1 initialization failed");
// Actively drive TX_DISABLE to false on SFP0..3
io_expander0.set_oe(&mut i2c, 0, 1 << 1).unwrap();
io_expander1.set_oe(&mut i2c, 0, 1 << 1).unwrap();
io_expander0.set_oe(&mut i2c, 1, 1 << 1).unwrap();
io_expander1.set_oe(&mut i2c, 1, 1 << 1).unwrap();
// Drive TX_DISABLE to false on SFP0..3
io_expander0.set(0, 1, false);
io_expander1.set(0, 1, false);
io_expander0.set(1, 1, false);