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From: Oleksij Rempel <o.rempel@pengutronix.de>
To: barebox@lists.infradead.org
Cc: Oleksij Rempel <o.rempel@pengutronix.de>
Subject: [PATCH] MIPS: init cache before flashing it
Date: Tue, 15 Oct 2019 18:09:45 +0200	[thread overview]
Message-ID: <20191015160945.7930-1-o.rempel@pengutronix.de> (raw)

Cache information was not initialized on flush_cache_all(). This was the
reason for relatively slow boot speed on MIPS.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 arch/mips/lib/reloc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/mips/lib/reloc.c b/arch/mips/lib/reloc.c
index 9a9e404f7e..3d05ff1381 100644
--- a/arch/mips/lib/reloc.c
+++ b/arch/mips/lib/reloc.c
@@ -40,6 +40,7 @@
 #include <linux/sizes.h>
 #include <asm-generic/memory_layout.h>
 
+void r4k_cache_init(void);
 void main_entry(void *fdt, u32 fdt_size);
 void relocate_code(void *fdt, u32 fdt_size, u32 relocaddr);
 
@@ -146,6 +147,7 @@ void relocate_code(void *fdt, u32 fdt_size, u32 ram_size)
 		apply_reloc(type, (void *)addr, off);
 	}
 
+	r4k_cache_init();
 	/* Ensure the icache is coherent */
 	flush_cache_all();
 
-- 
2.23.0


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             reply	other threads:[~2019-10-15 16:09 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-15 16:09 Oleksij Rempel [this message]
2019-10-15 20:41 ` Antony Pavlov
2019-10-16  4:28   ` Oleksij Rempel
2019-10-16  4:34   ` Oleksij Rempel

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