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([2400:4162:2428:2ffe:e94c:e5d:106e:3582]) by smtp.googlemail.com with ESMTPSA id d9443c01a7336-219dc9cdef7sm270007125ad.133.2025.01.04.23.14.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 04 Jan 2025 23:14:59 -0800 (PST) From: Daniel Palmer To: geert@linux-m68k.org, fthain@linux-m68k.org, linux-m68k@lists.linux-m68k.org Cc: linux-kernel@vger.kernel.org, Daniel Palmer Subject: [RFC PATCH 1/3] m68k: bootinfo: Add tag for FDT address Date: Sun, 5 Jan 2025 16:14:31 +0900 Message-ID: <20250105071433.3943289-2-daniel@0x0f.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250105071433.3943289-1-daniel@0x0f.com> References: <20250105071433.3943289-1-daniel@0x0f.com> Precedence: bulk X-Mailing-List: linux-m68k@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Allow bootinfo to carry a pointer to an FDT so that the bootloader can pass us one. This allows for devicetree support without changing the boot protocol too much and breaking unmaintained bootloaders. Signed-off-by: Daniel Palmer --- arch/m68k/include/uapi/asm/bootinfo.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/m68k/include/uapi/asm/bootinfo.h b/arch/m68k/include/uapi/asm/bootinfo.h index 024e87d7095f..326f20e82769 100644 --- a/arch/m68k/include/uapi/asm/bootinfo.h +++ b/arch/m68k/include/uapi/asm/bootinfo.h @@ -73,6 +73,9 @@ struct mem_info { #define BI_RNG_SEED 0x0008 +/* Pointer to FDT if there is one */ +#define BI_FDT 0x0009 + /* * Linux/m68k Architectures (BI_MACHTYPE) */ -- 2.45.2