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[89.176.112.137]) by smtp.gmail.com with ESMTPSA id p11sm5195948wma.16.2021.09.10.13.47.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Sep 2021 13:47:47 -0700 (PDT) From: Marek Vasut X-Google-Original-From: Marek Vasut To: u-boot@lists.denx.de Cc: Marek Vasut , Simon Goldschmidt , Thomas Chou , Tom Rini Subject: [PATCH 07/12] lmb: nios2: Add arch_lmb_reserve() Date: Fri, 10 Sep 2021 22:47:13 +0200 Message-Id: <20210910204718.17765-7-marek.vasut+renesas@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210910204718.17765-1-marek.vasut+renesas@gmail.com> References: <20210910204718.17765-1-marek.vasut+renesas@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean Add arch_lmb_reserve() implemented using arch_lmb_reserve_generic(). It is rather likely this architecture also needs to cover U-Boot with LMB before booting Linux. Signed-off-by: Marek Vasut Cc: Simon Goldschmidt Cc: Thomas Chou Cc: Tom Rini --- V2: No change --- arch/nios2/lib/bootm.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/nios2/lib/bootm.c b/arch/nios2/lib/bootm.c index 5037467151..3cb59bd977 100644 --- a/arch/nios2/lib/bootm.c +++ b/arch/nios2/lib/bootm.c @@ -10,6 +10,9 @@ #include #include #include +#include + +DECLARE_GLOBAL_DATA_PTR; #define NIOS_MAGIC 0x534f494e /* enable command line and initrd passing */ @@ -60,3 +63,16 @@ int do_bootm_linux(int flag, int argc, char *const argv[], return 1; } + +static ulong get_sp(void) +{ + ulong ret; + + asm("mov %0, sp" : "=r"(ret) : ); + return ret; +} + +void arch_lmb_reserve(struct lmb *lmb) +{ + arch_lmb_reserve_generic(lmb, get_sp(), gd->ram_top, 4096); +} -- 2.33.0