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Groups > linux.kernel > #1420458
| From | Andrey Smirnov <andrew.smirnov@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 3/3] i.MX: system.c: Replace magic numbers |
| Date | 2016-06-13 08:00 +0200 |
| Message-ID | <rJt4J-23X-7@gated-at.bofh.it> (permalink) |
| References | <rJt4J-23X-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
RESEND, now with Russell King on CC list.
arch/arm/include/asm/hardware/cache-l2x0.h | 7 +++++++
arch/arm/mach-imx/system.c | 5 ++++-
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h
index 3a5ec1c..5e27162 100644
--- a/arch/arm/include/asm/hardware/cache-l2x0.h
+++ b/arch/arm/include/asm/hardware/cache-l2x0.h
@@ -61,6 +61,13 @@
#define L2X0_LINE_TAG 0xF30
#define L2X0_DEBUG_CTRL 0xF40
#define L310_PREFETCH_CTRL 0xF60
+#define L310_DOUBLE_LINEFILL_EN BIT(30)
+#define L310_INSTRUCTION_PREFETCH_EN BIT(29)
+#define L310_DATA_PREFETCH_EN BIT(28)
+#define L310_DOUBLE_LINEFILL_ON_WRAP_READ_DIS BIT(27)
+#define L310_PREFETCH_DROP_EN BIT(24)
+#define L310_INCR_DOUBLE_LINEFILL_EN BIT(23)
+#define L310_ESCLUSIVE_SEQUENCE_EN BIT(21)
#define L310_POWER_CTRL 0xF80
#define L310_DYNAMIC_CLK_GATING_EN (1 << 1)
#define L310_STNDBY_MODE_EN (1 << 0)
diff --git a/arch/arm/mach-imx/system.c b/arch/arm/mach-imx/system.c
index b153376..bd9a96b 100644
--- a/arch/arm/mach-imx/system.c
+++ b/arch/arm/mach-imx/system.c
@@ -109,7 +109,10 @@ void __init imx_init_l2cache(void)
if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN)) {
/* Configure the L2 PREFETCH and POWER registers */
val = readl_relaxed(l2x0_base + L310_PREFETCH_CTRL);
- val |= 0x70800000;
+ val |= L310_DOUBLE_LINEFILL_EN |
+ L310_INSTRUCTION_PREFETCH_EN |
+ L310_DATA_PREFETCH_EN |
+ L310_INCR_DOUBLE_LINEFILL_EN;
writel_relaxed(val, l2x0_base + L310_PREFETCH_CTRL);
}
--
2.5.5
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[PATCH 1/3] i.MX: system.c: Convert goto to if statement Andrey Smirnov <andrew.smirnov@gmail.com> - 2016-06-13 08:00 +0200
[PATCH 3/3] i.MX: system.c: Replace magic numbers Andrey Smirnov <andrew.smirnov@gmail.com> - 2016-06-13 08:00 +0200
Re: [PATCH 3/3] i.MX: system.c: Replace magic numbers Arnd Bergmann <arnd@arndb.de> - 2016-06-13 11:30 +0200
Re: [PATCH 3/3] i.MX: system.c: Replace magic numbers Russell King - ARM Linux <linux@armlinux.org.uk> - 2016-06-13 11:50 +0200
Re: [PATCH 3/3] i.MX: system.c: Replace magic numbers Russell King - ARM Linux <linux@armlinux.org.uk> - 2016-06-13 11:30 +0200
[RESEND PATCH 2/3] i.MX: system.c: Remove redundant errata 752271 code Andrey Smirnov <andrew.smirnov@gmail.com> - 2016-06-13 08:00 +0200
Re: [PATCH 1/3] i.MX: system.c: Convert goto to if statement Arnd Bergmann <arnd@arndb.de> - 2016-06-13 11:30 +0200
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