void RealView_framebuffer_init(void)
{
gRealviewPl111Base = ml_io_map(REALVIEW_PL111_BASE, PAGE_SIZE);
/*
* The hardware demands a framebuffer, but the framebuffer has to be given
* in a hardware address.
*/
void* framebuffer = pmap_steal_memory(1024 * 768 * 4);
void* framebuffer_phys = pmap_get_phys(kernel_pmap, framebuffer);
uint32_t depth = 2;
uint32_t width = 1024;
uint32_t height = 768;
uint32_t pitch = (width * depth);
uint32_t fb_length = (pitch * width);
uint32_t timingRegister, controlRegister;
/* Set framebuffer address */
HARDWARE_REGISTER(gRealviewPl111Base + PL111_UPPER_FB) = framebuffer_phys;
HARDWARE_REGISTER(gRealviewPl111Base + PL111_LOWER_FB) = framebuffer_phys;
/* Initialize timings to 1024x768x16 */
HARDWARE_REGISTER(gRealviewPl111Base + PL111_TIMINGS_0) = LCDTIMING0_PPL(width);
HARDWARE_REGISTER(gRealviewPl111Base + PL111_TIMINGS_1) = LCDTIMING1_LPP(height);
/* Enable the TFT/LCD Display */
HARDWARE_REGISTER(gRealviewPl111Base + PL111_CONTROL) =
LCDCONTROL_LCDEN |
LCDCONTROL_LCDTFT |
LCDCONTROL_LCDPWR |
LCDCONTROL_LCDBPP(4);
PE_state.video.v_baseAddr = (unsigned long)framebuffer_phys;
PE_state.video.v_rowBytes = width * 2;
PE_state.video.v_width = width;
PE_state.video.v_height = height;
PE_state.video.v_depth = 2 * (8); // 16bpp
kprintf(KPRINTF_PREFIX "framebuffer initialized\n");
bzero(framebuffer, (pitch * height));
initialize_screen((void*)&PE_state.video, kPEAcquireScreen);
initialize_screen((void*)&PE_state.video, kPEEnableScreen);
}
void RealView_framebuffer_init(void)
{
gRealviewPl111Base = ml_io_map(REALVIEW_PL111_BASE, PAGE_SIZE);
/*
* The hardware demands a framebuffer, but the framebuffer has to be given
* in a hardware address.
*/
void *framebuffer = pmap_steal_memory(1024 * 768 * 4);
void *framebuffer_phys = pmap_extract(kernel_pmap, framebuffer);
uint32_t depth = 2;
uint32_t width = 1024;
uint32_t height = 768;
uint32_t pitch = (width * depth);
uint32_t fb_length = (pitch * width);
uint32_t timingRegister, controlRegister;
/*
* Set framebuffer address
*/
HARDWARE_REGISTER(gRealviewPl111Base + PL111_UPPER_FB) = framebuffer_phys;
HARDWARE_REGISTER(gRealviewPl111Base + PL111_LOWER_FB) = framebuffer_phys;
/*
* Initialize timings to 1024x768x16
*/
HARDWARE_REGISTER(gRealviewPl111Base + PL111_TIMINGS_0) = LCDTIMING0_PPL(width);
HARDWARE_REGISTER(gRealviewPl111Base + PL111_TIMINGS_1) = LCDTIMING1_LPP(height);
/*
* Enable the TFT/LCD Display
*/
HARDWARE_REGISTER(gRealviewPl111Base + PL111_CONTROL) = LCDCONTROL_LCDEN | LCDCONTROL_LCDTFT | LCDCONTROL_LCDPWR | LCDCONTROL_LCDBPP(5);
PE_state.video.v_baseAddr = (unsigned long) framebuffer_phys;
PE_state.video.v_rowBytes = width * 4;
PE_state.video.v_width = width;
PE_state.video.v_height = height;
PE_state.video.v_depth = 4 * (8); // 16bpp
kprintf(KPRINTF_PREFIX "framebuffer initialized\n");
bzero(framebuffer, (pitch * height));
char tempbuf[16];
if (PE_parse_boot_argn("-graphics-mode", tempbuf, sizeof(tempbuf))) {
/*
* BootX like framebuffer.
*/
memset(framebuffer, 0xb9, PE_state.video.v_rowBytes * PE_state.video.v_height);
initialize_screen((void *) &PE_state.video, kPEGraphicsMode);
} else {
initialize_screen((void *) &PE_state.video, kPETextMode);
}
}
