doc: v6.2.4 release bump

CHANGELOG

@@ -1,4 +1,69 @@
 
+v6.2.4 (17 jul 2026)
+
+Patch release on the 6.2 line. Mostly the Raspberry Pi 4 support, whose 64-bit
+side had never actually been exercised: several assumptions left over from the
+32-bit rpi4 platform only surfaced once the I2C/Sense HAT path was enabled on
+rpi4_64. All of it validated on real hardware (RPi 4 Model B, Sense HAT), on
+both word sizes.
+
+•	i2c_bsc and rpisense could not be selected on rpi4_64 at all: their Kconfig
+	still depended on RPI4, a symbol dropped with the 32-bit platform. Lined
+	them up on "RPI4 || RPI4_64", as devices/serial/Kconfig already was.
+
+•	Both drivers stored the io_map() return value in a uint32_t. io_map()
+	returns addr_t, and on arm64 the mapped address sits at
+	CONFIG_IO_MAPPING_BASE (0xffff9000_00000000), so the top half was cut off
+	and the driver dereferenced the truncated address. As they are
+	REGISTER_DRIVER_CORE, they probe before the POSTCORE serial console: the
+	abort killed the kernel with no output at all. arm32 was unaffected, its
+	IO_MAPPING_BASE being 0xe0000000.
+
+•	bsp/rpi4/config.txt never got the 64-bit boot settings, so the firmware
+	looked for kernel7l.img while the deploy installs the aarch64 U-Boot as
+	kernel8.img, and nothing was loaded. The 32/64-bit settings now live in
+	appended config_rpi4_arm{32,64}.txt fragments, since the file is shared.
+
+•	A fitted Sense HAT made U-Boot boot in complete silence: the firmware merges
+	the HAT's EEPROM overlay into the device tree it hands over, and that DT has
+	no /chosen/stdout-path, so U-Boot picked its console by node order and drove
+	the wrong UART. force_eeprom_read=0 avoids it; SO3 talks to the HAT through
+	rpisense and never needs the overlay.
+
+•	Ctrl-C did nothing on rpi4, for every program: bcm283x_mu was polling-only,
+	so nothing ever raised SIGINT. Bound the mini UART RX interrupt (AUX, SPI
+	93) and mirrored pl011_int(). This also fixed the register layout, copied
+	from U-Boot with iir before ier — harmless while neither field was read,
+	wrong the moment ier is written.
+
+•	Signals never reached a thread blocked in the kernel: sys_do_kill() only set
+	a pcb bit, and a thread parked in wait_for_completion() is off the ready
+	list. Added signal_pending(), wait_for_completion_interruptible() and a
+	selective wake of interruptible waiters.
+
+•	The RPi bootcmd imported uEnv.txt with neither format nor length, so U-Boot
+	scanned memory for a double-NUL to guess the size and swallowed whatever
+	followed the file. It only appeared to work on arm64 by luck. Now passes
+	-t and ${filesize}.
+
+•	bsp/rpi4 shipped no device tree: the .dtb are vendored firmware inputs, but
+	the "*.dtb" ignore rule — right for every other .dtb, which are build
+	products — swallowed them when the directory moved under meta-bsp. Cards
+	flashed before the move still carried the old ones, which is why nothing had
+	flagged it; a fresh card got none.
+
+•	Restored the 32-bit Raspberry Pi 4 platform. The tree was already written
+	for it ("RPI4 || RPI4_64" in kernel/ and devices/); only the arch symbol and
+	its wiring were missing.
+
+•	The boot banner now states the architecture (e.g. "Version 6.2.4 (arm64)").
+	On a Pi 4 the two chains differ only by which kernel*.img the firmware picks
+	up, so nothing on the console told you which one had booted.
+
+•	Deploy now initialises the storage itself when it is missing, instead of
+	failing on a bare "sdcard.img.<plat> does not exist" — init_storage.sh was
+	an undocumented prerequisite.
+
 v6.2.3 (15 jul 2026)
 
 Patch release on the 6.2 line fixing the non-SOO AVZ configuration on GICv3

README.md

@@ -79,7 +79,7 @@ land there and are tagged as patch releases.
 
 | Line | Branch | Latest release | Status |
 |------|--------|----------------|--------|
-| 6.2  | [`release/v6.2`](https://github.com/smartobjectoriented/so3/tree/release/v6.2) | [v6.2.3](https://github.com/smartobjectoriented/so3/releases/tag/v6.2.3) | Current stable |
+| 6.2  | [`release/v6.2`](https://github.com/smartobjectoriented/so3/tree/release/v6.2) | [v6.2.4](https://github.com/smartobjectoriented/so3/releases/tag/v6.2.4) | Current stable |
 | 6.1  | [`release/v6.1`](https://github.com/smartobjectoriented/so3/tree/release/v6.1) | [v6.1.0](https://github.com/smartobjectoriented/so3/releases/tag/v6.1.0) | Previous |
 | 5.4  | [`release/v5.4`](https://github.com/smartobjectoriented/so3/tree/release/v5.4) | [v5.4.1](https://github.com/smartobjectoriented/so3/releases/tag/v5.4.1) | End of life |
 

build/conf/local.conf

@@ -36,9 +36,9 @@ IB_BUILD_QEMU ?= "1"
 #   capsule      SO3 packaged as a capsule.             ITS = virt64_capsule
 
 # --- Versions ---
-PREFERRED_VERSION_so3:virt32  = "6.2.3"
-PREFERRED_VERSION_so3:virt64  = "6.2.3"
-PREFERRED_VERSION_so3:rpi4_64 = "6.2.3"
+PREFERRED_VERSION_so3:virt32  = "6.2.4"
+PREFERRED_VERSION_so3:virt64  = "6.2.4"
+PREFERRED_VERSION_so3:rpi4_64 = "6.2.4"
 
 # --- Configs (kernel defconfig) ---
 # standalone and guest share the plain defconfig; capsule has its own.
@@ -71,9 +71,9 @@ IB_TARGET_ITS:so3:rpi4_64  ?= "rpi4_64_so3"
 # the SO3 section; here we set only the hypervisor version and build config.
 
 # --- Versions ---
-PREFERRED_VERSION_avz:virt64        = "6.2.3"
-PREFERRED_VERSION_avz:rpi4_64       = "6.2.3"
-PREFERRED_VERSION_avz:verdin-imx8mp = "6.2.3"
+PREFERRED_VERSION_avz:virt64        = "6.2.4"
+PREFERRED_VERSION_avz:rpi4_64       = "6.2.4"
+PREFERRED_VERSION_avz:verdin-imx8mp = "6.2.4"
 
 # --- Configs ---
 # virt64_avz_soo_defconfig (CONFIG_SOO=y) is required when AVZ hosts a guest that
@@ -136,7 +136,7 @@ IB_TARGET_ITS:so3:verdin-imx8mp ?= "verdin_imx8mp_avz"
 # standalone variant so U-Boot switches to EL1 first (CONFIG_ARMV8_SWITCH_TO_EL1).
 IB_UBOOT_SWITCH_EL1 ?= "0"
 
-PREFERRED_VERSION_avz:verdin-imx8mp = "6.2.3"
+PREFERRED_VERSION_avz:verdin-imx8mp = "6.2.4"
 IB_CONFIG:avz:verdin-imx8mp ?= "verdin-imx8mp_avz_defconfig"
 
 

build/meta-so3/recipes-so3/avz/avz_6.2.3.bb → build/meta-so3/recipes-so3/avz/avz_6.2.4.bb

@@ -9,7 +9,7 @@ inherit avz
 # Version and revision
 
 PR = "r0"
-PV = "6.2.3"
+PV = "6.2.4"
 
 OVERRIDES += ":avz"
 

build/meta-so3/recipes-so3/so3/so3_6.2.3.bb → build/meta-so3/recipes-so3/so3/so3_6.2.4.bb

@@ -8,7 +8,7 @@ inherit so3
 
 # Version and revision
 PR = "r0"
-PV = "6.2.3"
+PV = "6.2.4"
 
 # :append (not +=) so no space is inserted before ":so3" — otherwise the
 # preceding CPU token parses as "arm "/"aarch64 " and :<cpu> overrides