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add preliminary LEON support

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SVN-Revision: 25139
This commit is contained in:
Imre Kaloz
2011-01-27 12:51:25 +00:00
parent a361eab890
commit 0f325459ea
29 changed files with 2217 additions and 0 deletions
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30
target/linux/leon/patches/008-hz_specific_timer_init.patch Normal file
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@@ -0,0 +1,30 @@
From e4d697dad4d43109f045a4f25cb1d706122045c0 Mon Sep 17 00:00:00 2001
From: Daniel Hellstrom <daniel@gaisler.com>
Date: Wed, 22 Sep 2010 13:24:36 +0200
Subject: [PATCH] SPARC/LEON: removed constant timer initialization as if HZ=100, now it reflects the value of HZ
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
---
arch/sparc/kernel/leon_kernel.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
--- a/arch/sparc/kernel/leon_kernel.c
+++ b/arch/sparc/kernel/leon_kernel.c
@@ -149,7 +149,7 @@ void __init leon_init_timers(irq_handler
if (leon3_gptimer_regs && leon3_irqctrl_regs && leon3_gptimer_irq) {
LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[leon3_gptimer_idx].val, 0);
LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[leon3_gptimer_idx].rld,
- (((1000000 / 100) - 1)));
+ (((1000000 / HZ) - 1)));
LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[leon3_gptimer_idx].ctrl, 0);
#ifdef CONFIG_SMP
@@ -163,7 +163,7 @@ void __init leon_init_timers(irq_handler
}
LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[leon3_gptimer_idx+1].val, 0);
- LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[leon3_gptimer_idx+1].rld, (((1000000/100) - 1)));
+ LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[leon3_gptimer_idx+1].rld, (((1000000 / HZ) - 1)));
LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[leon3_gptimer_idx+1].ctrl, 0);
# endif