From: nicolas.pitre@linaro.org (Nicolas Pitre)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 15/15] ARM: vexpress/dcscb: probe via device tree
Date: Tue, 29 Jan 2013 02:51:10 -0500 [thread overview]
Message-ID: <1359445870-18925-16-git-send-email-nicolas.pitre@linaro.org> (raw)
In-Reply-To: <1359445870-18925-1-git-send-email-nicolas.pitre@linaro.org>
This allows for the DCSCB support to be compiled in and selected
at run time.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
---
arch/arm/mach-vexpress/dcscb.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-vexpress/dcscb.c b/arch/arm/mach-vexpress/dcscb.c
index 58051ffafb..a724507cbc 100644
--- a/arch/arm/mach-vexpress/dcscb.c
+++ b/arch/arm/mach-vexpress/dcscb.c
@@ -14,6 +14,7 @@
#include <linux/io.h>
#include <linux/spinlock.h>
#include <linux/errno.h>
+#include <linux/of_address.h>
#include <linux/vexpress.h>
#include <linux/arm-cci.h>
@@ -24,8 +25,6 @@
#include <asm/cp15.h>
-#define DCSCB_PHYS_BASE 0x60000000
-
#define RST_HOLD0 0x0
#define RST_HOLD1 0x4
#define SYS_SWRESET 0x8
@@ -215,10 +214,14 @@ extern void dcscb_power_up_setup(unsigned int affinity_level);
static int __init dcscb_init(void)
{
+ struct device_node *node;
unsigned int cfg;
int ret;
- dcscb_base = ioremap(DCSCB_PHYS_BASE, 0x1000);
+ node = of_find_compatible_node(NULL, NULL, "arm,dcscb");
+ if (!node)
+ return -ENODEV;
+ dcscb_base= of_iomap(node, 0);
if (!dcscb_base)
return -EADDRNOTAVAIL;
cfg = readl_relaxed(dcscb_base + DCS_CFG_R);
--
1.8.1.2
next prev parent reply other threads:[~2013-01-29 7:51 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-29 7:50 [PATCH v3 00/15] multi-cluster power management Nicolas Pitre
2013-01-29 7:50 ` [PATCH v3 01/15] ARM: multi-cluster PM: secondary kernel entry code Nicolas Pitre
2013-01-31 15:45 ` Santosh Shilimkar
2013-01-29 7:50 ` [PATCH v3 02/15] ARM: mcpm: introduce the CPU/cluster power API Nicolas Pitre
2013-01-31 15:55 ` Santosh Shilimkar
2013-01-29 7:50 ` [PATCH v3 03/15] ARM: mcpm: introduce helpers for platform coherency exit/setup Nicolas Pitre
2013-01-31 16:08 ` Santosh Shilimkar
2013-01-31 17:16 ` Nicolas Pitre
2013-02-01 5:10 ` Santosh Shilimkar
2013-02-01 17:26 ` Nicolas Pitre
2013-01-29 7:50 ` [PATCH v3 04/15] ARM: mcpm: Add baremetal voting mutexes Nicolas Pitre
2013-02-01 5:29 ` Santosh Shilimkar
2013-01-29 7:51 ` [PATCH v3 05/15] ARM: mcpm_head.S: vlock-based first man election Nicolas Pitre
2013-02-01 5:34 ` Santosh Shilimkar
2013-01-29 7:51 ` [PATCH v3 06/15] ARM: mcpm: generic SMP secondary bringup and hotplug support Nicolas Pitre
2013-01-29 20:38 ` Rob Herring
2013-02-01 5:38 ` Santosh Shilimkar
2013-01-29 7:51 ` [PATCH v3 07/15] ARM: vexpress: Select the correct SMP operations at run-time Nicolas Pitre
2013-01-29 15:43 ` Jon Medhurst (Tixy)
2013-01-29 19:26 ` Nicolas Pitre
2013-02-01 5:41 ` Santosh Shilimkar
2013-02-01 17:28 ` Nicolas Pitre
2013-01-29 7:51 ` [PATCH v3 08/15] ARM: introduce common set_auxcr/get_auxcr functions Nicolas Pitre
2013-02-01 5:44 ` Santosh Shilimkar
2013-01-29 7:51 ` [PATCH v3 09/15] ARM: vexpress: introduce DCSCB support Nicolas Pitre
2013-02-01 5:50 ` Santosh Shilimkar
2013-01-29 7:51 ` [PATCH v3 10/15] ARM: vexpress/dcscb: add CPU use counts to the power up/down API implementation Nicolas Pitre
2013-02-01 5:53 ` Santosh Shilimkar
2013-01-29 7:51 ` [PATCH v3 11/15] ARM: vexpress/dcscb: do not hardcode number of CPUs per cluster Nicolas Pitre
2013-02-01 5:57 ` Santosh Shilimkar
2013-02-01 17:24 ` Nicolas Pitre
2013-02-02 6:54 ` Santosh Shilimkar
2013-01-29 7:51 ` [PATCH v3 12/15] drivers/bus: add ARM CCI support Nicolas Pitre
2013-02-01 6:01 ` Santosh Shilimkar
2013-01-29 7:51 ` [PATCH v3 13/15] ARM: CCI: ensure powerdown-time data is flushed from cache Nicolas Pitre
2013-02-01 6:13 ` Santosh Shilimkar
2013-02-02 22:23 ` Nicolas Pitre
2013-02-03 10:07 ` Santosh Shilimkar
2013-02-03 18:29 ` Nicolas Pitre
2013-02-04 5:25 ` Santosh Shilimkar
2013-01-29 7:51 ` [PATCH v3 14/15] ARM: vexpress/dcscb: handle platform coherency exit/setup and CCI Nicolas Pitre
2013-01-29 10:46 ` Lorenzo Pieralisi
2013-01-29 18:42 ` Nicolas Pitre
2013-01-30 17:27 ` Lorenzo Pieralisi
2013-02-01 6:15 ` Santosh Shilimkar
2013-01-29 7:51 ` Nicolas Pitre [this message]
2013-01-29 21:01 ` [PATCH v3 15/15] ARM: vexpress/dcscb: probe via device tree Rob Herring
2013-01-29 21:41 ` Nicolas Pitre
2013-01-30 12:22 ` Achin Gupta
2013-01-30 17:43 ` Nicolas Pitre
2013-01-31 10:54 ` Dave Martin
2013-02-04 4:39 ` Nicolas Pitre
2013-02-04 14:24 ` [PATCH v3 00/15] multi-cluster power management Will Deacon
2013-02-04 20:59 ` Nicolas Pitre
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