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authorBarry Song <Baohua.Song@csr.com>2012-12-20 19:37:32 +0800
committerBarry Song <Barry.Song@csr.com>2013-01-22 19:53:27 +0800
commit4898de3d15d8ba34aa7a1b0f753a476d52ebdf92 (patch)
treee2606fb82bab7bcbe0503404ecd67fd0d3d47427 /arch/arm/mach-prima2/common.c
parentf2a94192d953990c5c928f52dd4122a67f93b980 (diff)
ARM: PRIMA2: add new SiRFmarco SMP SoC infrastructures
this patch adds tick timer, smp entries and generic DT machine for SiRFmarco dual-core SMP chips. with the added marco, we change the defconfig, using the same defconfig, we get a zImage which can work on both prima2 and marco. Signed-off-by: Barry Song <Baohua.Song@csr.com> Cc: Mark Rutland <mark.rutland@arm.com>
Diffstat (limited to 'arch/arm/mach-prima2/common.c')
-rw-r--r--arch/arm/mach-prima2/common.c40
1 files changed, 39 insertions, 1 deletions
diff --git a/arch/arm/mach-prima2/common.c b/arch/arm/mach-prima2/common.c
index 99f9c7e391f5..00a65649a7e2 100644
--- a/arch/arm/mach-prima2/common.c
+++ b/arch/arm/mach-prima2/common.c
@@ -8,9 +8,11 @@
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/of_irq.h>
#include <asm/sizes.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
+#include <asm/hardware/gic.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include "common.h"
@@ -30,6 +32,12 @@ void __init sirfsoc_init_late(void)
sirfsoc_pm_init();
}
+static __init void sirfsoc_map_io(void)
+{
+ sirfsoc_map_lluart();
+ sirfsoc_map_scu();
+}
+
#ifdef CONFIG_ARCH_PRIMA2
static const char *prima2_dt_match[] __initdata = {
"sirf,prima2",
@@ -38,7 +46,7 @@ static const char *prima2_dt_match[] __initdata = {
DT_MACHINE_START(PRIMA2_DT, "Generic PRIMA2 (Flattened Device Tree)")
/* Maintainer: Barry Song <baohua.song@csr.com> */
- .map_io = sirfsoc_map_lluart,
+ .map_io = sirfsoc_map_io,
.init_irq = sirfsoc_of_irq_init,
.init_time = sirfsoc_prima2_timer_init,
#ifdef CONFIG_MULTI_IRQ_HANDLER
@@ -51,3 +59,33 @@ DT_MACHINE_START(PRIMA2_DT, "Generic PRIMA2 (Flattened Device Tree)")
.restart = sirfsoc_restart,
MACHINE_END
#endif
+
+#ifdef CONFIG_ARCH_MARCO
+static const struct of_device_id marco_irq_match[] __initconst = {
+ { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
+ { /* sentinel */ }
+};
+
+static void __init marco_init_irq(void)
+{
+ of_irq_init(marco_irq_match);
+}
+
+static const char *marco_dt_match[] __initdata = {
+ "sirf,marco",
+ NULL
+};
+
+DT_MACHINE_START(MARCO_DT, "Generic MARCO (Flattened Device Tree)")
+ /* Maintainer: Barry Song <baohua.song@csr.com> */
+ .smp = smp_ops(sirfsoc_smp_ops),
+ .map_io = sirfsoc_map_io,
+ .init_irq = marco_init_irq,
+ .init_time = sirfsoc_marco_timer_init,
+ .handle_irq = gic_handle_irq,
+ .init_machine = sirfsoc_mach_init,
+ .init_late = sirfsoc_init_late,
+ .dt_compat = marco_dt_match,
+ .restart = sirfsoc_restart,
+MACHINE_END
+#endif