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Remove Qemu bug workaround in pl11x driver 

Remove a workaround for Qemu <= 0.14.x which results in a wrong
pixel format on Qemu >= 1.0.

Fixes #243.
This commit is contained in:
Christian Prochaska 2012-06-12 13:13:12 +02:00 committed by Norman Feske
parent ba0b20054e
commit 7d86edc355
1 changed files with 1 additions and 9 deletions
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10
os/src/drivers/framebuffer/pl11x/main.cc
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@ -131,15 +131,7 @@ namespace Framebuffer
_timer.msleep(100);
}
ctrl = CTRL_BGR | CTRL_ENABLED | CTRL_TFT | CTRL_VCOMP;
/*
* QEmu (version <= 14.x) doesn't emulate pl11x properly,
* set bpp16 although we actually use bbp16_565.
* It doesn't set the system's identity register,
* so we can detect it.
*/
ctrl |= (sys_reg_read(SP810_REG_ID) == 0) ? CTRL_BPP16 : CTRL_BPP16_565;
ctrl = CTRL_BGR | CTRL_ENABLED | CTRL_TFT | CTRL_VCOMP | CTRL_BPP16_565;
/* init color-lcd oscillator */
sys_reg_write(SP810_REG_LOCK, 0xa05f);