From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 11:13:47 +0200
Subject: Adding upstream version 2.8.0+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 drivers/renesas/rzg/pfc/pfc_init.c | 129 +++++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 drivers/renesas/rzg/pfc/pfc_init.c

(limited to 'drivers/renesas/rzg/pfc/pfc_init.c')

diff --git a/drivers/renesas/rzg/pfc/pfc_init.c b/drivers/renesas/rzg/pfc/pfc_init.c
new file mode 100644
index 0000000..762450c
--- /dev/null
+++ b/drivers/renesas/rzg/pfc/pfc_init.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2020-2021, 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 "G2E/pfc_init_g2e.h"
+#include "G2H/pfc_init_g2h.h"
+#include "G2M/pfc_init_g2m.h"
+#include "G2N/pfc_init_g2n.h"
+#endif /* RCAR_LSI == RCAR_AUTO */
+#if (RCAR_LSI == RZ_G2E)
+#include "G2E/pfc_init_g2e.h"
+#endif /* RCAR_LSI == RZ_G2N */
+#if (RCAR_LSI == RZ_G2H)
+#include "G2H/pfc_init_g2h.h"
+#endif /* RCAR_LSI == RZ_G2H */
+#if (RCAR_LSI == RZ_G2M)
+#include "G2M/pfc_init_g2m.h"
+#endif /* RCAR_LSI == RZ_G2M */
+#if (RCAR_LSI == RZ_G2N)
+#include "G2N/pfc_init_g2n.h"
+#endif /* RCAR_LSI == RZ_G2N */
+#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;
+	case PRR_PRODUCT_H3:
+		pfc_init_g2h();
+		break;
+	case PRR_PRODUCT_M3N:
+		pfc_init_g2n();
+		break;
+	case PRR_PRODUCT_E3:
+		pfc_init_g2e();
+		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;
+	case PRR_PRODUCT_H3:
+#if (RCAR_LSI != RZ_G2H)
+		PRR_PRODUCT_ERR(reg);
+#else /* RCAR_LSI != RZ_G2H */
+		pfc_init_g2h();
+#endif /* RCAR_LSI != RZ_G2H */
+		break;
+	case PRR_PRODUCT_M3N:
+#if RCAR_LSI != RZ_G2N
+		PRR_PRODUCT_ERR(reg);
+#else
+		pfc_init_g2n();
+#endif /* RCAR_LSI != RZ_G2N */
+		break;
+	case PRR_PRODUCT_E3:
+#if RCAR_LSI != RZ_G2E
+		PRR_PRODUCT_ERR(reg);
+#else
+		pfc_init_g2e();
+#endif
+		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();
+#elif (RCAR_LSI == RZ_G2H)
+	if ((reg & PRR_PRODUCT_MASK) != PRR_PRODUCT_H3) {
+		PRR_PRODUCT_ERR(reg);
+	}
+	pfc_init_g2h();
+#elif (RCAR_LSI == RZ_G2N)	/* G2N */
+	if ((reg & PRR_PRODUCT_MASK) != PRR_PRODUCT_M3N) {
+		PRR_PRODUCT_ERR(reg);
+	}
+	pfc_init_g2n();
+#elif (RCAR_LSI == RZ_G2E)
+	if ((reg & PRR_PRODUCT_MASK) != PRR_PRODUCT_E3) {
+		PRR_PRODUCT_ERR(reg);
+	}
+	pfc_init_g2e();
+#else /* RCAR_LSI == RZ_G2M */
+#error "Don't have PFC initialize routine(unknown)."
+#endif /* RCAR_LSI == RZ_G2M */
+#endif /* RCAR_LSI == RCAR_AUTO */
+}
-- 
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