From ddc5f9b13ec6665e480e3415a3cd2a3e5668cb4d Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Thu, 14 Sep 2023 10:55:46 -0600 Subject: Move fdt_simplefb to boot/ This relates to booting, so move it there. Create a new Kconfig menu for things related to devicetree fixup. Signed-off-by: Simon Glass Reviewed-by: Tom Rini --- common/Kconfig | 9 ---- common/Makefile | 1 - common/fdt_simplefb.c | 116 -------------------------------------------------- 3 files changed, 126 deletions(-) delete mode 100644 common/fdt_simplefb.c (limited to 'common') diff --git a/common/Kconfig b/common/Kconfig index d11292f52c2..21eaa5e815f 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -1157,14 +1157,5 @@ config VPL_IMAGE_SIGN_INFO endif -config FDT_SIMPLEFB - bool "FDT tools for simplefb support" - depends on OF_LIBFDT - help - Enable the fdt tools to manage the simple fb nodes in device tree. - These functions can be used by board to indicate to the OS - the presence of the simple frame buffer with associated reserved - memory - config IO_TRACE bool diff --git a/common/Makefile b/common/Makefile index 0948721d0b4..5c1617206f0 100644 --- a/common/Makefile +++ b/common/Makefile @@ -17,7 +17,6 @@ obj-y += board_r.o obj-$(CONFIG_DISPLAY_BOARDINFO) += board_info.o obj-$(CONFIG_DISPLAY_BOARDINFO_LATE) += board_info.o -obj-$(CONFIG_FDT_SIMPLEFB) += fdt_simplefb.o obj-$(CONFIG_MII) += miiphyutil.o obj-$(CONFIG_CMD_MII) += miiphyutil.o obj-$(CONFIG_PHYLIB) += miiphyutil.o diff --git a/common/fdt_simplefb.c b/common/fdt_simplefb.c deleted file mode 100644 index 069ced75a7f..00000000000 --- a/common/fdt_simplefb.c +++ /dev/null @@ -1,116 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Simplefb device tree support - * - * (C) Copyright 2015 - * Stephen Warren - */ - -#include -#include -#include -#include -#include -#include - -DECLARE_GLOBAL_DATA_PTR; - -static int fdt_simplefb_configure_node(void *blob, int off) -{ - int xsize, ysize; - int bpix; /* log2 of bits per pixel */ - const char *name; - ulong fb_base; - struct video_uc_plat *plat; - struct video_priv *uc_priv; - struct udevice *dev; - int ret; - - ret = uclass_first_device_err(UCLASS_VIDEO, &dev); - if (ret) - return ret; - uc_priv = dev_get_uclass_priv(dev); - plat = dev_get_uclass_plat(dev); - xsize = uc_priv->xsize; - ysize = uc_priv->ysize; - bpix = uc_priv->bpix; - fb_base = plat->base; - switch (bpix) { - case 4: /* VIDEO_BPP16 */ - name = "r5g6b5"; - break; - case 5: /* VIDEO_BPP32 */ - name = "a8r8g8b8"; - break; - default: - return -EINVAL; - } - - return fdt_setup_simplefb_node(blob, off, fb_base, xsize, ysize, - xsize * (1 << bpix) / 8, name); -} - -int fdt_simplefb_add_node(void *blob) -{ - static const char compat[] = "simple-framebuffer"; - static const char disabled[] = "disabled"; - int off, ret; - - off = fdt_add_subnode(blob, 0, "framebuffer"); - if (off < 0) - return -1; - - ret = fdt_setprop(blob, off, "status", disabled, sizeof(disabled)); - if (ret < 0) - return -1; - - ret = fdt_setprop(blob, off, "compatible", compat, sizeof(compat)); - if (ret < 0) - return -1; - - return fdt_simplefb_configure_node(blob, off); -} - -/** - * fdt_simplefb_enable_existing_node() - enable simple-framebuffer DT node - * - * @blob: device-tree - * Return: 0 on success, non-zero otherwise - */ -static int fdt_simplefb_enable_existing_node(void *blob) -{ - int off; - - off = fdt_node_offset_by_compatible(blob, -1, "simple-framebuffer"); - if (off < 0) - return -1; - - return fdt_simplefb_configure_node(blob, off); -} - -#if IS_ENABLED(CONFIG_VIDEO) -int fdt_simplefb_enable_and_mem_rsv(void *blob) -{ - struct fdt_memory mem; - int ret; - - /* nothing to do when video is not active */ - if (!video_is_active()) - return 0; - - ret = fdt_simplefb_enable_existing_node(blob); - if (ret) - return ret; - - /* nothing to do when the frame buffer is not defined */ - if (gd->video_bottom == gd->video_top) - return 0; - - /* reserved with no-map tag the video buffer */ - mem.start = gd->video_bottom; - mem.end = gd->video_top - 1; - - return fdtdec_add_reserved_memory(blob, "framebuffer", &mem, NULL, 0, NULL, - FDTDEC_RESERVED_MEMORY_NO_MAP); -} -#endif -- cgit v1.3.1