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[1/2] MIPS: BCM63xx: add helper function to detect CFE

Message ID 20200608094053.3381512-2-noltari@gmail.com (mailing list archive)
State New, archived
Headers show
Series mtd: parsers: bcm63xx: simplify CFE detection | expand

Commit Message

Álvaro Fernández Rojas June 8, 2020, 9:40 a.m. UTC 
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(+)
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Patch

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_ */