board: sifive: use ccache driver instead of helper function

Invokes the common cache_init function to initialize ccache.

Signed-off-by: Zong Li <zong.li@sifive.com>
Reviewed-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>

10 files changed, 9 insertions, 156 deletions

diff --git a/arch/riscv/cpu/fu540/Kconfig b/arch/riscv/cpu/fu540/Kconfig
index 05463b2625..1604b412b4 100644
--- a/arch/riscv/cpu/fu540/Kconfig
+++ b/arch/riscv/cpu/fu540/Kconfig
@@ -19,6 +19,8 @@ config SIFIVE_FU540
 	imply SMP
 	imply CLK_SIFIVE
 	imply CLK_SIFIVE_PRCI
+	imply SIFIVE_CACHE
+	imply SIFIVE_CCACHE
 	imply SIFIVE_SERIAL
 	imply MACB
 	imply MII
diff --git a/arch/riscv/cpu/fu540/Makefile b/arch/riscv/cpu/fu540/Makefile
index 088205ef57..043fb961a5 100644
--- a/arch/riscv/cpu/fu540/Makefile
+++ b/arch/riscv/cpu/fu540/Makefile
@@ -8,5 +8,4 @@ obj-y += spl.o
 else
 obj-y += dram.o
 obj-y += cpu.o
-obj-y += cache.o
 endif
diff --git a/arch/riscv/cpu/fu540/cache.c b/arch/riscv/cpu/fu540/cache.c
deleted file mode 100644
index 0fc4ef6c00..0000000000
--- a/arch/riscv/cpu/fu540/cache.c
+++ /dev/null
@@ -1,55 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (C) 2020 SiFive, Inc
- *
- * Authors:
- *   Pragnesh Patel <pragnesh.patel@sifive.com>
- */
-
-#include <common.h>
-#include <asm/global_data.h>
-#include <asm/io.h>
-#include <linux/bitops.h>
-
-/* Register offsets */
-#define L2_CACHE_CONFIG	0x000
-#define L2_CACHE_ENABLE	0x008
-
-#define MASK_NUM_WAYS	GENMASK(15, 8)
-#define NUM_WAYS_SHIFT	8
-
-DECLARE_GLOBAL_DATA_PTR;
-
-int cache_enable_ways(void)
-{
-	const void *blob = gd->fdt_blob;
-	int node;
-	fdt_addr_t base;
-	u32 config;
-	u32 ways;
-
-	volatile u32 *enable;
-
-	node = fdt_node_offset_by_compatible(blob, -1,
-					     "sifive,fu540-c000-ccache");
-
-	if (node < 0)
-		return node;
-
-	base = fdtdec_get_addr_size_auto_parent(blob, 0, node, "reg", 0,
-						NULL, false);
-	if (base == FDT_ADDR_T_NONE)
-		return FDT_ADDR_T_NONE;
-
-	config = readl((volatile u32 *)base + L2_CACHE_CONFIG);
-	ways = (config & MASK_NUM_WAYS) >> NUM_WAYS_SHIFT;
-
-	enable = (volatile u32 *)(base + L2_CACHE_ENABLE);
-
-	/* memory barrier */
-	mb();
-	(*enable) = ways - 1;
-	/* memory barrier */
-	mb();
-	return 0;
-}
diff --git a/arch/riscv/cpu/fu740/Kconfig b/arch/riscv/cpu/fu740/Kconfig
index 408195f149..049a0a0584 100644
--- a/arch/riscv/cpu/fu740/Kconfig
+++ b/arch/riscv/cpu/fu740/Kconfig
@@ -19,6 +19,8 @@ config SIFIVE_FU740
 	imply SMP
 	imply CLK_SIFIVE
 	imply CLK_SIFIVE_PRCI
+	imply SIFIVE_CACHE
+	imply SIFIVE_CCACHE
 	imply SIFIVE_SERIAL
 	imply MACB
 	imply MII
diff --git a/arch/riscv/cpu/fu740/Makefile b/arch/riscv/cpu/fu740/Makefile
index 5ef8ac18a7..1d1ad98ba7 100644
--- a/arch/riscv/cpu/fu740/Makefile
+++ b/arch/riscv/cpu/fu740/Makefile
@@ -8,5 +8,4 @@ obj-y += spl.o
 else
 obj-y += dram.o
 obj-y += cpu.o
-obj-y += cache.o
 endif
diff --git a/arch/riscv/cpu/fu740/cache.c b/arch/riscv/cpu/fu740/cache.c
deleted file mode 100644
index 680955c9e3..0000000000
--- a/arch/riscv/cpu/fu740/cache.c
+++ /dev/null
@@ -1,55 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (C) 2020-2021 SiFive, Inc
- *
- * Authors:
- *   Pragnesh Patel <pragnesh.patel@sifive.com>
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <linux/bitops.h>
-#include <asm/global_data.h>
-
-/* Register offsets */
-#define L2_CACHE_CONFIG	0x000
-#define L2_CACHE_ENABLE	0x008
-
-#define MASK_NUM_WAYS	GENMASK(15, 8)
-#define NUM_WAYS_SHIFT	8
-
-DECLARE_GLOBAL_DATA_PTR;
-
-int cache_enable_ways(void)
-{
-	const void *blob = gd->fdt_blob;
-	int node;
-	fdt_addr_t base;
-	u32 config;
-	u32 ways;
-
-	volatile u32 *enable;
-
-	node = fdt_node_offset_by_compatible(blob, -1,
-					     "sifive,fu740-c000-ccache");
-
-	if (node < 0)
-		return node;
-
-	base = fdtdec_get_addr_size_auto_parent(blob, 0, node, "reg", 0,
-						NULL, false);
-	if (base == FDT_ADDR_T_NONE)
-		return FDT_ADDR_T_NONE;
-
-	config = readl((volatile u32 *)base + L2_CACHE_CONFIG);
-	ways = (config & MASK_NUM_WAYS) >> NUM_WAYS_SHIFT;
-
-	enable = (volatile u32 *)(base + L2_CACHE_ENABLE);
-
-	/* memory barrier */
-	mb();
-	(*enable) = ways - 1;
-	/* memory barrier */
-	mb();
-	return 0;
-}
diff --git a/arch/riscv/include/asm/arch-fu540/cache.h b/arch/riscv/include/asm/arch-fu540/cache.h
deleted file mode 100644
index 135a17c679..0000000000
--- a/arch/riscv/include/asm/arch-fu540/cache.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (C) 2020 SiFive, Inc.
- *
- * Authors:
- *   Pragnesh Patel <pragnesh.patel@sifve.com>
- */
-
-#ifndef _CACHE_SIFIVE_H
-#define _CACHE_SIFIVE_H
-
-int cache_enable_ways(void);
-
-#endif /* _CACHE_SIFIVE_H */
diff --git a/arch/riscv/include/asm/arch-fu740/cache.h b/arch/riscv/include/asm/arch-fu740/cache.h
deleted file mode 100644
index 7d4fe9942b..0000000000
--- a/arch/riscv/include/asm/arch-fu740/cache.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Copyright (C) 2020-2021 SiFive, Inc.
- *
- * Authors:
- *   Pragnesh Patel <pragnesh.patel@sifve.com>
- */
-
-#ifndef _CACHE_SIFIVE_H
-#define _CACHE_SIFIVE_H
-
-int cache_enable_ways(void);
-
-#endif /* _CACHE_SIFIVE_H */
diff --git a/board/sifive/unleashed/unleashed.c b/board/sifive/unleashed/unleashed.c
index fa65fcade0..8cd514df30 100644
--- a/board/sifive/unleashed/unleashed.c
+++ b/board/sifive/unleashed/unleashed.c
@@ -6,6 +6,7 @@
  *   Anup Patel <anup.patel@wdc.com>
  */
 
+#include <cpu_func.h>
 #include <dm.h>
 #include <env.h>
 #include <init.h>
@@ -15,7 +16,6 @@
 #include <linux/delay.h>
 #include <misc.h>
 #include <spl.h>
-#include <asm/arch/cache.h>
 #include <asm/sections.h>
 
 /*
@@ -126,14 +126,8 @@ void *board_fdt_blob_setup(void)
 
 int board_init(void)
 {
-	int ret;
-
 	/* enable all cache ways */
-	ret = cache_enable_ways();
-	if (ret) {
-		debug("%s: could not enable cache ways\n", __func__);
-		return ret;
-	}
+	enable_caches();
 
 	return 0;
 }
diff --git a/board/sifive/unmatched/unmatched.c b/board/sifive/unmatched/unmatched.c
index da23a6ce24..d90b252bae 100644
--- a/board/sifive/unmatched/unmatched.c
+++ b/board/sifive/unmatched/unmatched.c
@@ -7,8 +7,8 @@
  */
 
 #include <common.h>
+#include <cpu_func.h>
 #include <dm.h>
-#include <asm/arch/cache.h>
 #include <asm/sections.h>
 
 void *board_fdt_blob_setup(void)
@@ -23,13 +23,8 @@ void *board_fdt_blob_setup(void)
 
 int board_init(void)
 {
-	int ret;
-
 	/* enable all cache ways */
-	ret = cache_enable_ways();
-	if (ret) {
-		debug("%s: could not enable cache ways\n", __func__);
-		return ret;
-	}
+	enable_caches();
+
 	return 0;
 }