Add pl111 support
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@ -1,4 +1,5 @@
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DEVICES_PREFIX = devices
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KOBJS += $(DEVICES_PREFIX)/pl110.o
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KOBJS += $(DEVICES_PREFIX)/pl011.o
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KOBJS += $(DEVICES_PREFIX)/pl110.o
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KOBJS += $(DEVICES_PREFIX)/pl111.o
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54
devices/pl111.c
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54
devices/pl111.c
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#include <framebuffer.h>
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typedef unsigned int uint32;
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#define PL111_CR_EN 0x001
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#define PL111_CR_PWR 0x800
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#define PL111_IOBASE 0x10020000
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#define PL111_PALBASE (PL111_IOBASE + 0x200)
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#define PL111_FB_BASE 0x200000;
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struct pl111_control {
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uint32 volatile timing0; //0
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uint32 volatile timing1; //4
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uint32 volatile timing2; //8
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uint32 volatile timing3; //c
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uint32 volatile upbase; //10
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uint32 volatile lpbase; //14
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uint32 volatile control; //18
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};
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struct fbdev pl111_fb_device;
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int pl111_init(struct fb *f, unsigned int color_depth) {
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struct pl111_control *plio = (struct pl111_control*)PL111_IOBASE;
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/* 640x480 pixels */
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plio->timing0 = 0x3f1f3f9c;
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plio->timing1 = 0x080b61df;
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plio->upbase = PL111_FB_BASE;
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if (color_depth == FB_COLOR_DEPTH_8) {
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plio->control = 0x1827;
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} else if (color_depth == FB_COLOR_DEPTH_16) {
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plio->control = 0x1829;
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} else if (color_depth == FB_COLOR_DEPTH_24) {
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plio->control = 0x182B;
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} else {
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//assume 16 if nothing else fit
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color_depth = 16;
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plio->control = 0x1829;
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}
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f->device = &pl111_fb_device;
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f->device->fbaddr = (void*)PL111_FB_BASE;
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f->width = 640;
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f->device->pixelwidth = 640;
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f->height = 480;
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f->device->pixelheight = 480;
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f->color_depth = color_depth;
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f->device->color_depth = color_depth;
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return 0;
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}
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3
include/devices/pl111.h
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3
include/devices/pl111.h
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@ -0,0 +1,3 @@
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#include <framebuffer.h>
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int pl111_init(struct fb *f, unsigned int color_depth);
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@ -1,7 +1,7 @@
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#include <print.h>
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#include <devices/pl011.h>
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#include <devices/pl110.h>
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#include <devices/pl111.h>
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#include <framebuffer.h>
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#include <console.h>
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@ -9,7 +9,7 @@ struct fb myfb;
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void video(void) {
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// unsigned int x, y;
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pl110_init(&myfb, 24);
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pl111_init(&myfb, 24);
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// x = 0, y = 0;
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// for (y=0; y<480; y++)
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// for (x=0; x<640; x++)
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