From 81af3a25c1678ee2a1ff9da45e0cabe867f350b4 Mon Sep 17 00:00:00 2001
From: Alistair Francis <alistair@alistair23.me>
Date: Fri, 17 May 2024 18:53:05 +1000
Subject: [PATCH] boards/apollo3: redboard_artemis_atp: Enable SPI controller

Signed-off-by: Alistair Francis <alistair@alistair23.me>
---
 .../apollo3/redboard_artemis_atp/src/main.rs  | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/boards/apollo3/redboard_artemis_atp/src/main.rs b/boards/apollo3/redboard_artemis_atp/src/main.rs
index 7bdaf5d941..7305e1c2b9 100644
--- a/boards/apollo3/redboard_artemis_atp/src/main.rs
+++ b/boards/apollo3/redboard_artemis_atp/src/main.rs
@@ -94,6 +94,13 @@ struct RedboardArtemisAtp {
             apollo3::ios::Ios<'static>,
         >,
     >,
+    spi_controller: &'static capsules_core::spi_controller::Spi<
+        'static,
+        capsules_core::virtualizers::virtual_spi::VirtualSpiMasterDevice<
+            'static,
+            apollo3::iom::Iom<'static>,
+        >,
+    >,
     ble_radio: &'static capsules_extra::ble_advertising_driver::BLE<
         'static,
         apollo3::ble::Ble<'static>,
@@ -115,6 +122,7 @@ impl SyscallDriverLookup for RedboardArtemisAtp {
             capsules_core::gpio::DRIVER_NUM => f(Some(self.gpio)),
             capsules_core::console::DRIVER_NUM => f(Some(self.console)),
             capsules_core::i2c_master_slave_driver::DRIVER_NUM => f(Some(self.i2c_master_slave)),
+            capsules_core::spi_controller::DRIVER_NUM => f(Some(self.spi_controller)),
             capsules_extra::ble_advertising_driver::DRIVER_NUM => f(Some(self.ble_radio)),
             _ => f(None),
         }
@@ -195,6 +203,12 @@ unsafe fn setup() -> (
     peripherals
         .gpio_port
         .enable_i2c_slave(&peripherals.gpio_port[1], &peripherals.gpio_port[0]);
+    // Enable Main SPI
+    peripherals.gpio_port.enable_spi(
+        &peripherals.gpio_port[5],
+        &peripherals.gpio_port[7],
+        &peripherals.gpio_port[6],
+    );
 
     // Configure kernel debug gpios as early as possible
     kernel::debug::assign_gpios(
@@ -300,6 +314,24 @@ unsafe fn setup() -> (
 
     peripherals.iom4.enable();
 
+    // Init the SPI controller
+    let mux_spi = components::spi::SpiMuxComponent::new(&peripherals.iom0).finalize(
+        components::spi_mux_component_static!(apollo3::iom::Iom<'static>),
+    );
+
+    // The IOM0 expects an auto chip select on pin D11 or D15
+    // We already use manual CS control for other Apollo3 boards, so
+    // let's use A13 as it's broken out next to the SPI ports
+    let spi_controller = components::spi::SpiSyscallComponent::new(
+        board_kernel,
+        mux_spi,
+        &peripherals.gpio_port[13], // A13
+        capsules_core::spi_controller::DRIVER_NUM,
+    )
+    .finalize(components::spi_syscall_component_static!(
+        apollo3::iom::Iom<'static>
+    ));
+
     // Setup BLE
     mcu_ctrl.enable_ble();
     clkgen.enable_ble();
@@ -349,6 +381,7 @@ unsafe fn setup() -> (
             gpio,
             console,
             i2c_master_slave,
+            spi_controller,
             ble_radio,
             scheduler,
             systick,