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From: Xiubo Li
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Date: Mon, 7 Jul 2014 13:19:11 +0800
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Cc: b44548@freescale.com, b46683@freescale.com, b35083@freescale.com,
Xiubo Li , R64188@freescale.com,
b47053@freescale.com
Subject: [U-Boot] [PATCH] arch/arm: Add individual TLB size support.
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This adds CONFIG_TLB_SIZE for individual board, whose TLB size maybe
larger than PGTABLE_SIZE.
Signed-off-by: Xiubo Li
---
arch/arm/lib/board.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
index dc34190..b7327ce 100644
--- a/arch/arm/lib/board.c
+++ b/arch/arm/lib/board.c
@@ -353,7 +353,11 @@ void board_init_f(ulong bootflag)
#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
/* reserve TLB table */
+#ifdef CONFIG_TLB_SIZE
+ gd->arch.tlb_size = CONFIG_TLB_SIZE;
+#else
gd->arch.tlb_size = PGTABLE_SIZE;
+#endif
addr -= gd->arch.tlb_size;
/* round down to next 64 kB limit */