Commit 452f5487 authored by Simon Glass's avatar Simon Glass
Browse files

dm: x86: Add a uclass for a Platform Controller Hub



Add a simple uclass for this chip which is often found in x86 systems
where the CPU is a separate device.

The device can have children, so make it scan the device tree for these.
Signed-off-by: default avatarSimon Glass <sjg@chromium.org>
parent ba457562
......@@ -157,12 +157,3 @@ U_BOOT_DRIVER(bd82x6x_drv) = {
.of_match = bd82x6x_ids,
.probe = bd82x6x_probe,
};
/*
* TODO(sjg@chromium.org): Move this to arch/x86/lib or similar when other
* boards also use a PCH
*/
UCLASS_DRIVER(pch) = {
.id = UCLASS_PCH,
.name = "pch",
};
......@@ -20,6 +20,7 @@ obj-$(CONFIG_SYS_PCAT_TIMER) += pcat_timer.o
ifndef CONFIG_DM_PCI
obj-$(CONFIG_PCI) += pci_type1.o
endif
obj-y += pch-uclass.o
obj-y += relocate.o
obj-y += physmem.o
obj-$(CONFIG_X86_RAMTEST) += ramtest.o
......
/*
* Copyright (c) 2015 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <dm/root.h>
static int pch_uclass_post_bind(struct udevice *bus)
{
/*
* Scan the device tree for devices
*
* Before relocation, only bind devices marked for pre-relocation
* use.
*/
return dm_scan_fdt_node(bus, gd->fdt_blob, bus->of_offset,
gd->flags & GD_FLG_RELOC ? false : true);
}
UCLASS_DRIVER(pch) = {
.id = UCLASS_PCH,
.name = "pch",
.post_bind = pch_uclass_post_bind,
};
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