diff options
author | Tom Rini <trini@konsulko.com> | 2021-03-15 12:15:38 -0400 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2021-03-15 12:15:38 -0400 |
commit | 22fc991dafee0142fc6bf621e7bd558bd58020b4 (patch) | |
tree | e5da8826fd735de968519f432864dc1545d96017 /doc/README.nokia_rx51 | |
parent | 1876b390f31afca15de334e499aa071b0bf64a44 (diff) | |
parent | 4103e13534141c31e4e9bf40848ab3a61dabce81 (diff) | |
download | u-boot-22fc991dafee0142fc6bf621e7bd558bd58020b4.tar.gz u-boot-22fc991dafee0142fc6bf621e7bd558bd58020b4.tar.xz u-boot-22fc991dafee0142fc6bf621e7bd558bd58020b4.zip |
Merge tag 'v2021.04-rc4' into next
Prepare v2021.04-rc4
Diffstat (limited to 'doc/README.nokia_rx51')
-rw-r--r-- | doc/README.nokia_rx51 | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/doc/README.nokia_rx51 b/doc/README.nokia_rx51 index 320b5efc7d..84d1912ddd 100644 --- a/doc/README.nokia_rx51 +++ b/doc/README.nokia_rx51 @@ -24,8 +24,7 @@ called u-boot-gen-combined. It is available in following repository: There is support for hardware watchdog. Hardware watchdog is started by NOLO so u-boot must kick watchdog to prevent reboot device (but not very often, max every 2 seconds). There is also support for framebuffer display -output with ANSI escape codes and the N900 HW keyboard input. USB tty works -but is disabled because it prevents the current Maemo kernel from booting. +output with ANSI escape codes and the N900 HW keyboard input. When U-Boot is starting it enable IBE bit in Auxiliary Control Register, which is needed for Thumb-2 ISA support. It is workaround for errata 430973. @@ -49,10 +48,6 @@ Boot from SD or eMMC in this order: Available additional commands/variables: - * run sercon - Use serial port for control - * run usbcon - Use usbtty for control - * run vgacon - Use framebuffer and HW keyboard for control (default) - * run sdboot - Boot from external SD card (see boot order) * run emmcboot - Boot from internal eMMC memory (see boot order) * run attachboot - Boot attached kernel image (attached to U-Boot binary) @@ -87,14 +82,6 @@ Additional variables for booting kernel: and u-boot standard output is set to serial then setup_console_atag is automatically set to 1. So output from Maemo kernel would go to serial port. -USB TTY: - - Maemo kernel 2.6.28 will crash if u-boot enable usb tty. So USB TTY is disabled. - For enabling USB TTY just add this line to file include/configs/nokia_rx51.h - - #define CONFIG_USB_TTY - - UBIFS support: UBIFS support is disabled, because U-Boot image is too big and cannot be |