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-rw-r--r--arch/arm/mach-uniphier/board_early_init_f.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/board_early_init_f.c b/arch/arm/mach-uniphier/board_early_init_f.c
index f853701f44..d35d38dcbf 100644
--- a/arch/arm/mach-uniphier/board_early_init_f.c
+++ b/arch/arm/mach-uniphier/board_early_init_f.c
@@ -4,10 +4,47 @@
* SPDX-License-Identifier: GPL-2.0+
*/
+#include <common.h>
+#include <libfdt.h>
+#include <linux/io.h>
+
#include "init.h"
#include "micro-support-card.h"
#include "soc-info.h"
+DECLARE_GLOBAL_DATA_PTR;
+
+static void uniphier_setup_xirq(void)
+{
+ const void *fdt = gd->fdt_blob;
+ int soc_node, aidet_node;
+ const u32 *val;
+ unsigned long aidet_base;
+ u32 tmp;
+
+ soc_node = fdt_path_offset(fdt, "/soc");
+ if (soc_node < 0)
+ return;
+
+ aidet_node = fdt_subnode_offset_namelen(fdt, soc_node, "aidet", 5);
+ if (aidet_node < 0)
+ return;
+
+ val = fdt_getprop(fdt, aidet_node, "reg", NULL);
+ if (!val)
+ return;
+
+ aidet_base = fdt32_to_cpu(*val);
+
+ tmp = readl(aidet_base + 8); /* AIDET DETCONFR2 */
+ tmp |= 0x00ff0000; /* Set XIRQ0-7 low active */
+ writel(tmp, aidet_base + 8);
+
+ tmp = readl(0x55000090); /* IRQCTL */
+ tmp |= 0x000000ff;
+ writel(tmp, 0x55000090);
+}
+
int board_early_init_f(void)
{
led_puts("U0");
@@ -81,6 +118,8 @@ int board_early_init_f(void)
break;
}
+ uniphier_setup_xirq();
+
led_puts("U2");
return 0;
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