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nuttx/arch
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Marco Casaroli 860577d771 arch/arm/rp23xx: Wait for QMI direct mode after enabling it. 
The RP2350 datasheet (12.14.5) says: set DIRECT_CSR.EN, then poll BUSY
until it is low, before the first direct-mode transfer.  BUSY stays high
while an XIP transfer is in its cooldown.  The Pico SDK waits here too.

rp23xx_psram_detect() did not wait at the two places where it enables
direct mode.  It worked on the boards we tested because the cooldown
ended before the first chip select.  Add the two waits, and put the
BUSY loop in one RAM-resident helper.

Assisted-by: Claude Code:claude-opus-5-5
Signed-off-by: Marco Casaroli <marco.casaroli@gmail.com>
2026-10-07 08:19:42 -03:00
..
arm arch/arm/rp23xx: Wait for QMI direct mode after enabling it. 2026-10-07 08:19:42 -03:00
arm64 arch/arm64: refuse reserved syscalls from user space 2026-10-01 23:14:53 +08:00
avr arch, boards, cmake: Build C++ ELF modules without __cxa_atexit. 2026-09-04 15:44:24 -03:00
ceva arch/atomic: remove up_testset in spinlock 2026-09-08 08:58:54 +08:00
dummy
hc
mips arch/mips/pic32mz: do not exceed the requested SPI frequency. 2026-10-05 12:30:56 -03:00
misoc arch, boards, cmake: Build C++ ELF modules without __cxa_atexit. 2026-09-04 15:44:24 -03:00
or1k arch, boards, cmake: Build C++ ELF modules without __cxa_atexit. 2026-09-04 15:44:24 -03:00
renesas nuttx/libc: refine the atomic related Kconfig 2026-08-24 13:20:45 +08:00
risc-v arch/risc-v: refuse reserved syscalls from user mode 2026-10-01 23:14:53 +08:00
sim arch/sim: Drain all host CAN frames per RX work cycle. 2026-10-07 19:15:57 +08:00
sparc arch/atomic: remove up_testset in spinlock 2026-09-08 08:58:54 +08:00
tricore arch/atomic: remove up_testset in spinlock 2026-09-08 08:58:54 +08:00
x86 arch/x86: Add -P to CPP to suppress linemarkers. 2026-09-17 16:21:59 +08:00
x86_64 arch/x86_64: Implement up_addrenv_fork() and provide POSIX fork(). 2026-09-24 18:02:36 -03:00
xtensa espressif: stop leaking a Wi-Fi interrupt handle on every esp_wifi_start() 2026-09-30 13:25:42 -03:00
z16
z80
CMakeLists.txt
Kconfig arch/xtensa: Provide POSIX fork() on the ESP32-S3. 2026-09-26 11:13:57 -03:00