ARM: uniphier: reuse uniphier_cache_disable() for lowlevel_init

[u-boot] / arch / arm / mach-uniphier / board_early_init_f.c

diff --git a/arch/arm/mach-uniphier/board_early_init_f.c b/arch/arm/mach-uniphier/board_early_init_f.c
index f853701f44daceb162ce2ed788c690f8640a123d..d35d38dcbf3ef70aa8466642cdc6d32e94e50212 100644 (file)
--- 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;