From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752862AbbBXBb6 (ORCPT ); Mon, 23 Feb 2015 20:31:58 -0500 Received: from mail-ob0-f201.google.com ([209.85.214.201]:65190 "EHLO mail-ob0-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752177AbbBXBby (ORCPT ); Mon, 23 Feb 2015 20:31:54 -0500 From: Andrew Bresticker To: Ralf Baechle Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@linux-mips.org, Andrew Bresticker , Ezequiel Garcia , James Hartley , James Hogan , Lars-Peter Clausen Subject: [PATCH 2/5] MIPS: Allow platforms to specify the decompressor load address Date: Mon, 23 Feb 2015 17:31:44 -0800 Message-Id: <1424741507-8882-3-git-send-email-abrestic@chromium.org> X-Mailer: git-send-email 2.2.0.rc0.207.ga3a616c In-Reply-To: <1424741507-8882-1-git-send-email-abrestic@chromium.org> References: <1424741507-8882-1-git-send-email-abrestic@chromium.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Platforms which use raw zboot images may need to link the image at a fixed address if there is no other way to communicate the load address to the bootloader. Allow the per-platform Kbuild files to specify an optional zboot image load address (zload-y) and fall back to calc_vmlinuz_load_addr if unset. Signed-off-by: Andrew Bresticker Cc: Lars-Peter Clausen --- arch/mips/boot/compressed/Makefile | 6 ++++-- arch/mips/jz4740/Platform | 1 + 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index 61af6b6..82d0b13 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile @@ -12,6 +12,8 @@ # Author: Wu Zhangjin # +include $(srctree)/arch/mips/Kbuild.platforms + # set the default size of the mallocing area for decompressing BOOT_HEAP_SIZE := 0x400000 @@ -66,8 +68,8 @@ $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE # Calculate the load address of the compressed kernel image hostprogs-y := calc_vmlinuz_load_addr -ifeq ($(CONFIG_MACH_JZ4740),y) -VMLINUZ_LOAD_ADDRESS := 0x80600000 +ifneq ($(zload-y),) +VMLINUZ_LOAD_ADDRESS := $(zload-y) else VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \ $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS)) diff --git a/arch/mips/jz4740/Platform b/arch/mips/jz4740/Platform index ba91be9..c41d300 100644 --- a/arch/mips/jz4740/Platform +++ b/arch/mips/jz4740/Platform @@ -1,3 +1,4 @@ platform-$(CONFIG_MACH_JZ4740) += jz4740/ cflags-$(CONFIG_MACH_JZ4740) += -I$(srctree)/arch/mips/include/asm/mach-jz4740 load-$(CONFIG_MACH_JZ4740) += 0xffffffff80010000 +zload-$(CONFIG_MACH_JZ4740) += 0xffffffff80600000 -- 2.2.0.rc0.207.ga3a616c