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https://github.com/brain-hackers/u-boot-brain
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ea843b6dab
Adjust the video driver to work with driver model and move over existing baords. There is no need to keep the old code. We can also drop setting of CONFIG_FB_ADDR since driver model doesn't have this problem. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Anatolij Gustschin <agust@denx.de>
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/*
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* (C) Copyright 2012 Stephen Warren
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <video.h>
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#include <asm/arch/mbox.h>
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#include <asm/arch/msg.h>
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static int bcm2835_video_probe(struct udevice *dev)
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{
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struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
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struct video_priv *uc_priv = dev_get_uclass_priv(dev);
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int ret;
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int w, h, pitch;
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ulong fb_base, fb_size, fb_start, fb_end;
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debug("bcm2835: Query resolution...\n");
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ret = bcm2835_get_video_size(&w, &h);
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if (ret)
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return -EIO;
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debug("bcm2835: Setting up display for %d x %d\n", w, h);
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ret = bcm2835_set_video_params(&w, &h, 32, BCM2835_MBOX_PIXEL_ORDER_RGB,
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BCM2835_MBOX_ALPHA_MODE_IGNORED,
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&fb_base, &fb_size, &pitch);
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debug("bcm2835: Final resolution is %d x %d\n", w, h);
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/* Enable dcache for the frame buffer */
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fb_start = fb_base & ~(MMU_SECTION_SIZE - 1);
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fb_end = fb_base + fb_size;
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fb_end = ALIGN(fb_end, 1 << MMU_SECTION_SHIFT);
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mmu_set_region_dcache_behaviour(fb_start, fb_end - fb_start,
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DCACHE_WRITEBACK);
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video_set_flush_dcache(dev, true);
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uc_priv->xsize = w;
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uc_priv->ysize = h;
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uc_priv->bpix = VIDEO_BPP32;
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plat->base = fb_base;
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plat->size = fb_size;
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return 0;
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}
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static const struct udevice_id bcm2835_video_ids[] = {
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{ .compatible = "brcm,bcm2835-hdmi" },
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{ }
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};
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U_BOOT_DRIVER(bcm2835_video) = {
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.name = "bcm2835_video",
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.id = UCLASS_VIDEO,
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.of_match = bcm2835_video_ids,
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.probe = bcm2835_video_probe,
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};
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