Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= 
        <noltari@gmail.com>
To:     tsbogend@alpha.franken.de, f.fainelli@gmail.com,
        bcm-kernel-feedback-list@broadcom.com, miquel.raynal@bootlin.com,
        richard@nod.at, vigneshr@ti.com, jonas.gorski@gmail.com,
        linus.walleij@linaro.org, linux-mips@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-mtd@lists.infradead.org
Cc:     =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= 
        <noltari@gmail.com>
Subject: [PATCH 1/2] MIPS: BCM63xx: add helper function to detect CFE
Date:   Mon,  8 Jun 2020 11:40:52 +0200
Message-Id: <20200608094053.3381512-2-noltari@gmail.com>
In-Reply-To: <20200608094053.3381512-1-noltari@gmail.com>
References: <20200608094053.3381512-1-noltari@gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

CFE passes argument 3 as "CFE1".

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
---
 arch/mips/include/asm/mach-bcm63xx/bcm63xx_board.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_board.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_board.h
index 1d19a726f86c..5af07796e8c7 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_board.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_board.h
@@ -2,6 +2,8 @@
 #ifndef BCM63XX_BOARD_H_
 #define BCM63XX_BOARD_H_
 
+#include <asm/bootinfo.h>
+
 const char *board_get_name(void);
 
 void board_prom_init(void);
@@ -10,4 +12,8 @@ void board_setup(void);
 
 int board_register_devices(void);
 
+static inline bool bcm63xx_is_cfe_present(void) {
+	return fw_arg3 == 0x43464531;
+}
+
 #endif /* ! BCM63XX_BOARD_H_ */
-- 
2.26.2