From patchwork Sun Apr 5 23:22:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Glass X-Patchwork-Id: 237214 List-Id: U-Boot discussion From: sjg at chromium.org (Simon Glass) Date: Sun, 5 Apr 2020 17:22:36 -0600 Subject: [PATCH 2/6] x86: Move work-around out of cpu_jump_to_64bit_uboot() In-Reply-To: <20200405232240.209612-1-sjg@chromium.org> References: <20200405232240.209612-1-sjg@chromium.org> Message-ID: <20200405172230.2.I66d0f9172cfa99acc73a670c058bb052f59a78ef@changeid> At present this function copies U-Boot from the last 1MB of ROM. This is not the right way to do it. Instead, the binman symbol should provide the location. But in any case the code should live in the caller, spl_board_load_image(), so that the 64-bit jump function can be used elsewhere. Move it. Signed-off-by: Simon Glass --- arch/x86/cpu/i386/cpu.c | 10 ---------- arch/x86/lib/spl.c | 13 +++++++++++++ 2 files changed, 13 insertions(+), 10 deletions(-) diff --git a/arch/x86/cpu/i386/cpu.c b/arch/x86/cpu/i386/cpu.c index c8da7f10e9b..45416a9be5b 100644 --- a/arch/x86/cpu/i386/cpu.c +++ b/arch/x86/cpu/i386/cpu.c @@ -611,16 +611,6 @@ int cpu_jump_to_64bit_uboot(ulong target) func = (func_t)ptr; - /* - * Copy U-Boot from ROM - * TODO(sjg at chromium.org): Figure out a way to get the text base - * correctly here, and in the device-tree binman definition. - * - * Also consider using FIT so we get the correct image length and - * parameters. - */ - memcpy((char *)target, (char *)0xfff00000, 0x100000); - /* Jump to U-Boot */ func((ulong)pgtable, 0, (ulong)target); diff --git a/arch/x86/lib/spl.c b/arch/x86/lib/spl.c index 90baec2a175..95a89c072d5 100644 --- a/arch/x86/lib/spl.c +++ b/arch/x86/lib/spl.c @@ -207,6 +207,19 @@ static int spl_board_load_image(struct spl_image_info *spl_image, spl_image->os = IH_OS_U_BOOT; spl_image->name = "U-Boot"; + if (!IS_ENABLED(CONFIG_SYS_COREBOOT)) { + /* + * Copy U-Boot from ROM + * TODO(sjg at chromium.org): Figure out a way to get the text base + * correctly here, and in the device-tree binman definition. + * + * Also consider using FIT so we get the correct image length + * and parameters. + */ + memcpy((char *)spl_image->load_addr, (char *)0xfff00000, + 0x100000); + } + debug("Loading to %lx\n", spl_image->load_addr); return 0;