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path: root/drivers/renesas/rzg/pfc/pfc_init.c
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Diffstat (limited to 'drivers/renesas/rzg/pfc/pfc_init.c')
-rw-r--r--drivers/renesas/rzg/pfc/pfc_init.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/renesas/rzg/pfc/pfc_init.c b/drivers/renesas/rzg/pfc/pfc_init.c
new file mode 100644
index 0000000000..f51992d2ee
--- /dev/null
+++ b/drivers/renesas/rzg/pfc/pfc_init.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2020, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include <stdint.h>
+
+#include <common/debug.h>
+#include <lib/mmio.h>
+
+#if RCAR_LSI == RCAR_AUTO
+#include "G2M/pfc_init_g2m.h"
+#endif /* RCAR_LSI == RCAR_AUTO */
+#if (RCAR_LSI == RZ_G2M)
+#include "G2M/pfc_init_g2m.h"
+#endif /* RCAR_LSI == RZ_G2M */
+#include "rcar_def.h"
+
+#define PRR_PRODUCT_ERR(reg) \
+ do { \
+ ERROR("LSI Product ID(PRR=0x%x) PFC init not supported.\n", \
+ reg); \
+ panic(); \
+ } while (0)
+
+#define PRR_CUT_ERR(reg) \
+ do { \
+ ERROR("LSI Cut ID(PRR=0x%x) PFC init not supported.\n", \
+ reg); \
+ panic();\
+ } while (0)
+
+void rzg_pfc_init(void)
+{
+ uint32_t reg;
+
+ reg = mmio_read_32(RCAR_PRR);
+#if RCAR_LSI == RCAR_AUTO
+ switch (reg & PRR_PRODUCT_MASK) {
+ case PRR_PRODUCT_M3:
+ pfc_init_g2m();
+ break;
+ default:
+ PRR_PRODUCT_ERR(reg);
+ break;
+ }
+
+#elif RCAR_LSI_CUT_COMPAT /* RCAR_LSI == RCAR_AUTO */
+ switch (reg & PRR_PRODUCT_MASK) {
+ case PRR_PRODUCT_M3:
+#if RCAR_LSI != RZ_G2M
+ PRR_PRODUCT_ERR(reg);
+#else /* RCAR_LSI != RZ_G2M */
+ pfc_init_g2m();
+#endif /* RCAR_LSI != RZ_G2M */
+ break;
+ default:
+ PRR_PRODUCT_ERR(reg);
+ break;
+ }
+
+#else /* RCAR_LSI == RCAR_AUTO */
+#if (RCAR_LSI == RZ_G2M)
+ if ((reg & PRR_PRODUCT_MASK) != PRR_PRODUCT_M3) {
+ PRR_PRODUCT_ERR(reg);
+ }
+ pfc_init_m3();
+#else /* RCAR_LSI == RZ_G2M */
+#error "Don't have PFC initialize routine(unknown)."
+#endif /* RCAR_LSI == RZ_G2M */
+#endif /* RCAR_LSI == RCAR_AUTO */
+}