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qemu_sh4_r2d: update to fix serial console support

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sh4-r2d has a serial port, however it's the second SH UART that's
emulated by Qemu so we need to adjust the kernel configuration for it to
see the relevant UART and adjust the qemu command line for it too.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Gustavo Zacarias 2011-10-25 09:10:31 -03:00 committed by Peter Korsgaard
parent 6f5df8bcfe
commit 40fcbc359e
3 changed files with 5 additions and 4 deletions
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1
board/qemu/sh4-r2d/linux-3.1.config
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@ -48,7 +48,6 @@ CONFIG_INPUT_FF_MEMLESS=m
CONFIG_VT_HW_CONSOLE_BINDING=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_SH_SCI=y
CONFIG_SERIAL_SH_SCI_NR_UARTS=1
CONFIG_SERIAL_SH_SCI_CONSOLE=y
CONFIG_HW_RANDOM=y
CONFIG_SPI=y

6
board/qemu/sh4-r2d/readme.txt
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@ -1,5 +1,7 @@
Run the emulation with:
qemu-system-sh4 -M r2d -kernel output/images/zImage -drive file=output/images/rootfs.ext2,if=ide -append "root=/dev/sda noiotrap"
qemu-system-sh4 -M r2d -kernel output/images/zImage -drive file=output/images/rootfs.ext2,if=ide -append "root=/dev/sda console=ttySC1,115200 noiotrap" -serial null -serial stdio
The login prompt will appear in the terminal that started Qemu.
The graphical window is the framebuffer.
The login prompt will appear in the graphical window.

2
configs/qemu_sh4_r2d_defconfig
View File

@ -4,7 +4,7 @@ BR2_sh4=y
# system
BR2_TARGET_GENERIC_GETTY=y
BR2_TARGET_GENERIC_GETTY_PORT="tty1"
BR2_TARGET_GENERIC_GETTY_PORT="ttySC1"
# filesystem
BR2_TARGET_ROOTFS_EXT2=y