Error: Compiling uClinux with Frame Buffer (altfb.c)

Hi Hippo,

Same error occured when I was compiling Frame Buffer appliction for DE2-70 board.

LD usr/built-in.o

CC drivers/video/altfb.o

/home/muhammet/Desktop/nios2-linux/linux-2.6/drivers/video/altfb.c: In function `altfb_mmap':

/home/muhammet/Desktop/nios2-linux/linux-2.6/drivers/video/altfb.c:87: warning: assignment makes integer from pointer without a cast

/home/muhammet/Desktop/nios2-linux/linux-2.6/drivers/video/altfb.c: In function `altfb_dma_start':

/home/muhammet/Desktop/nios2-linux/linux-2.6/drivers/video/altfb.c:236: error: `na_vga_controller_0' undeclared (first use in this function)

/home/muhammet/Desktop/nios2-linux/linux-2.6/drivers/video/altfb.c:236: error: (Each undeclared identifier is reported only once

/home/muhammet/Desktop/nios2-linux/linux-2.6/drivers/video/altfb.c:236: error: for each function it appears in.)

/home/muhammet/Desktop/nios2-linux/linux-2.6/drivers/video/altfb.c:236: warning: initialization makes integer from pointer without a cast

/home/muhammet/Desktop/nios2-linux/linux-2.6/drivers/video/altfb.c: In function `altfb_probe':

/home/muhammet/Desktop/nios2-linux/linux-2.6/drivers/video/altfb.c:253: warning: passing arg 3 of `dma_alloc_coherent' from incompatible pointer type

make[4]: *** [drivers/video/altfb.o] Error 1

make[3]: *** [drivers/video] Error 2

make[2]: *** [drivers] Error 2

make[1]: *** [sub-make] Error 2

make[1]: Leaving directory `/home/muhammet/Desktop/nios2-linux/linux-2.6'

make: *** [linux] Error 1

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I dont findd the solution on the internet.

Could you help me to solve problem?

Thank You