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-rw-r--r--arch/arm/mach-zynq/common.c3
-rw-r--r--arch/arm/mach-zynq/slcr.c4
2 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm/mach-zynq/common.c b/arch/arm/mach-zynq/common.c
index 6f39d03cc27e..860ffb663f02 100644
--- a/arch/arm/mach-zynq/common.c
+++ b/arch/arm/mach-zynq/common.c
@@ -150,8 +150,6 @@ out:
static void __init zynq_timer_init(void)
{
- zynq_early_slcr_init();
-
zynq_clock_init();
of_clk_init(NULL);
clocksource_probe();
@@ -186,6 +184,7 @@ static void __init zynq_map_io(void)
static void __init zynq_irq_init(void)
{
+ zynq_early_slcr_init();
irqchip_init();
}
diff --git a/arch/arm/mach-zynq/slcr.c b/arch/arm/mach-zynq/slcr.c
index 26320ebf3493..f0292a30e6f6 100644
--- a/arch/arm/mach-zynq/slcr.c
+++ b/arch/arm/mach-zynq/slcr.c
@@ -28,6 +28,7 @@
#define SLCR_A9_CPU_RST_CTRL_OFFSET 0x244 /* CPU Software Reset Control */
#define SLCR_REBOOT_STATUS_OFFSET 0x258 /* PS Reboot Status */
#define SLCR_PSS_IDCODE 0x530 /* PS IDCODE */
+#define SLCR_L2C_RAM 0xA1C /* L2C_RAM in AR#54190 */
#define SLCR_UNLOCK_MAGIC 0xDF0D
#define SLCR_A9_CPU_CLKSTOP 0x10
@@ -227,6 +228,9 @@ int __init zynq_early_slcr_init(void)
/* unlock the SLCR so that registers can be changed */
zynq_slcr_unlock();
+ /* See AR#54190 design advisory */
+ regmap_update_bits(zynq_slcr_regmap, SLCR_L2C_RAM, 0x70707, 0x20202);
+
register_restart_handler(&zynq_slcr_restart_nb);
pr_info("%s mapped to %p\n", np->name, zynq_slcr_base);