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author | Zong Li <zong.li@sifive.com> | 2021-09-01 15:01:42 +0800 |
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committer | Leo Yu-Chi Liang <ycliang@andestech.com> | 2021-09-07 10:34:29 +0800 |
commit | 835210a125bef56dacb687cb9f4deae61e68e79d (patch) | |
tree | 1e85616b1df155501a4d9b1b273eff6c71641457 /arch/riscv | |
parent | 213ed175b0a97313982c8341c34e48f0ea59b60e (diff) | |
download | u-boot-835210a125bef56dacb687cb9f4deae61e68e79d.tar.gz u-boot-835210a125bef56dacb687cb9f4deae61e68e79d.tar.bz2 u-boot-835210a125bef56dacb687cb9f4deae61e68e79d.zip |
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>
Diffstat (limited to 'arch/riscv')
-rw-r--r-- | arch/riscv/cpu/fu540/Kconfig | 2 | ||||
-rw-r--r-- | arch/riscv/cpu/fu540/Makefile | 1 | ||||
-rw-r--r-- | arch/riscv/cpu/fu540/cache.c | 55 | ||||
-rw-r--r-- | arch/riscv/cpu/fu740/Kconfig | 2 | ||||
-rw-r--r-- | arch/riscv/cpu/fu740/Makefile | 1 | ||||
-rw-r--r-- | arch/riscv/cpu/fu740/cache.c | 55 | ||||
-rw-r--r-- | arch/riscv/include/asm/arch-fu540/cache.h | 14 | ||||
-rw-r--r-- | arch/riscv/include/asm/arch-fu740/cache.h | 14 |
8 files changed, 4 insertions, 140 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 */ |