diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/sunxi/Makefile | 2 | ||||
| -rw-r--r-- | drivers/video/sunxi/sunxi_de2.c | 72 |
2 files changed, 73 insertions, 1 deletions
diff --git a/drivers/video/sunxi/Makefile b/drivers/video/sunxi/Makefile index 10862edaca..aec32b79b9 100644 --- a/drivers/video/sunxi/Makefile +++ b/drivers/video/sunxi/Makefile @@ -6,4 +6,4 @@ # obj-$(CONFIG_VIDEO_SUNXI) += sunxi_display.o simplefb_common.o lcdc.o tve_common.o ../videomodes.o -obj-$(CONFIG_VIDEO_DE2) += sunxi_de2.o sunxi_dw_hdmi.o lcdc.o ../dw_hdmi.o +obj-$(CONFIG_VIDEO_DE2) += sunxi_de2.o sunxi_dw_hdmi.o simplefb_common.o lcdc.o ../dw_hdmi.o diff --git a/drivers/video/sunxi/sunxi_de2.c b/drivers/video/sunxi/sunxi_de2.c index ee67764ac5..67b937098c 100644 --- a/drivers/video/sunxi/sunxi_de2.c +++ b/drivers/video/sunxi/sunxi_de2.c @@ -10,6 +10,8 @@ #include <display.h> #include <dm.h> #include <edid.h> +#include <fdtdec.h> +#include <fdt_support.h> #include <video.h> #include <asm/global_data.h> #include <asm/io.h> @@ -17,6 +19,7 @@ #include <asm/arch/display2.h> #include <dm/device-internal.h> #include <dm/uclass-internal.h> +#include "simplefb_common.h" DECLARE_GLOBAL_DATA_PTR; @@ -292,3 +295,72 @@ U_BOOT_DRIVER(sunxi_de2) = { U_BOOT_DEVICE(sunxi_de2) = { .name = "sunxi_de2" }; + +/* + * Simplefb support. + */ +#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_VIDEO_DT_SIMPLEFB) +int sunxi_simplefb_setup(void *blob) +{ + struct udevice *de2, *hdmi; + struct video_priv *de2_priv; + struct video_uc_platdata *de2_plat; + int mux; + int offset, ret; + u64 start, size; + const char *pipeline = NULL; + + debug("Setting up simplefb\n"); + + if (IS_ENABLED(CONFIG_MACH_SUNXI_H3_H5)) + mux = 0; + else + mux = 1; + + /* Skip simplefb setting if DE2 / HDMI is not present */ + ret = uclass_find_device_by_name(UCLASS_VIDEO, + "sunxi_de2", &de2); + if (ret) { + debug("DE2 not present\n"); + return 0; + } + + ret = uclass_find_device_by_name(UCLASS_DISPLAY, + "sunxi_dw_hdmi", &hdmi); + if (ret) { + debug("HDMI not present\n"); + return 0; + } + + if (mux == 0) + pipeline = "mixer0-lcd0-hdmi"; + else + pipeline = "mixer1-lcd1-hdmi"; + + de2_priv = dev_get_uclass_priv(de2); + de2_plat = dev_get_uclass_platdata(de2); + + offset = sunxi_simplefb_fdt_match(blob, pipeline); + if (offset < 0) { + eprintf("Cannot setup simplefb: node not found\n"); + return 0; /* Keep older kernels working */ + } + + start = gd->bd->bi_dram[0].start; + size = de2_plat->base - start; + ret = fdt_fixup_memory_banks(blob, &start, &size, 1); + if (ret) { + eprintf("Cannot setup simplefb: Error reserving memory\n"); + return ret; + } + + ret = fdt_setup_simplefb_node(blob, offset, de2_plat->base, + de2_priv->xsize, de2_priv->ysize, + VNBYTES(de2_priv->bpix) * de2_priv->xsize, + "x8r8g8b8"); + if (ret) + eprintf("Cannot setup simplefb: Error setting properties\n"); + + return ret; +} +#endif /* CONFIG_OF_BOARD_SETUP && CONFIG_VIDEO_DT_SIMPLEFB */ |