[U-Boot] [PATCH] armv8: layerscape: Enabled I-cache for SPL boot

York Sun york.sun at nxp.com
Tue Jun 26 21:26:02 UTC 2018


Enable I-cache for SPL boot to boost performance. Earlier MMU was
enabled only for LS2080A and has since been dropped by commit
f539c8a4a7a5 ("armv8: ls2080a: Drop early MMU for SPL build").

Signed-off-by: York Sun <york.sun at nxp.com>
---
 arch/arm/cpu/armv8/fsl-layerscape/spl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/spl.c b/arch/arm/cpu/armv8/fsl-layerscape/spl.c
index dba4b40..f1d6fd6 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/spl.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/spl.c
@@ -52,6 +52,7 @@ void spl_board_init(void)
 
 void board_init_f(ulong dummy)
 {
+	icache_enable();
 	/* Clear global data */
 	memset((void *)gd, 0, sizeof(gd_t));
 	board_early_init_f();
-- 
2.7.4



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