aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-highbank/highbank.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-highbank/highbank.c')
-rw-r--r--arch/arm/mach-highbank/highbank.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c
index 88815795fe26..8e63ccdb0de3 100644
--- a/arch/arm/mach-highbank/highbank.c
+++ b/arch/arm/mach-highbank/highbank.c
@@ -18,14 +18,11 @@
#include <linux/clocksource.h>
#include <linux/dma-mapping.h>
#include <linux/io.h>
-#include <linux/irq.h>
#include <linux/irqchip.h>
-#include <linux/irqdomain.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/of_address.h>
-#include <linux/smp.h>
#include <linux/amba/bus.h>
#include <linux/clk-provider.h>
@@ -35,7 +32,6 @@
#include <asm/hardware/cache-l2x0.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
-#include <asm/mach/time.h>
#include "core.h"
#include "sysregs.h"
@@ -65,13 +61,11 @@ void highbank_set_cpu_jump(int cpu, void *jump_addr)
HB_JUMP_TABLE_PHYS(cpu) + 15);
}
-#ifdef CONFIG_CACHE_L2X0
static void highbank_l2x0_disable(void)
{
/* Disable PL310 L2 Cache controller */
highbank_smc1(0x102, 0x0);
}
-#endif
static void __init highbank_init_irq(void)
{
@@ -80,12 +74,13 @@ static void __init highbank_init_irq(void)
if (of_find_compatible_node(NULL, NULL, "arm,cortex-a9"))
highbank_scu_map_io();
-#ifdef CONFIG_CACHE_L2X0
/* Enable PL310 L2 Cache controller */
- highbank_smc1(0x102, 0x1);
- l2x0_of_init(0, ~0UL);
- outer_cache.disable = highbank_l2x0_disable;
-#endif
+ if (IS_ENABLED(CONFIG_CACHE_L2X0) &&
+ of_find_compatible_node(NULL, NULL, "arm,pl310-cache")) {
+ highbank_smc1(0x102, 0x1);
+ l2x0_of_init(0, ~0UL);
+ outer_cache.disable = highbank_l2x0_disable;
+ }
}
static void __init highbank_timer_init(void)
@@ -176,6 +171,9 @@ static const char *highbank_match[] __initconst = {
};
DT_MACHINE_START(HIGHBANK, "Highbank")
+#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
+ .dma_zone_size = (4ULL * SZ_1G),
+#endif
.smp = smp_ops(highbank_smp_ops),
.init_irq = highbank_init_irq,
.init_time = highbank_timer_init,