diff options
-rw-r--r-- | arch/nds32/cpu/n1213/ag101/cpu.c | 112 | ||||
-rw-r--r-- | arch/nds32/cpu/n1213/ag102/cpu.c | 112 | ||||
-rw-r--r-- | arch/nds32/lib/Makefile | 2 | ||||
-rw-r--r-- | arch/nds32/lib/cache.c | 157 | ||||
-rw-r--r-- | include/common.h | 3 |
5 files changed, 159 insertions, 227 deletions
diff --git a/arch/nds32/cpu/n1213/ag101/cpu.c b/arch/nds32/cpu/n1213/ag101/cpu.c index c2636b1..a9991e7 100644 --- a/arch/nds32/cpu/n1213/ag101/cpu.c +++ b/arch/nds32/cpu/n1213/ag101/cpu.c @@ -82,115 +82,3 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) /*NOTREACHED*/ } - -static inline unsigned long CACHE_LINE_SIZE(enum cache_t cache) -{ - if (cache == ICACHE) - return 8 << (((GET_ICM_CFG() & ICM_CFG_MSK_ISZ) \ - >> ICM_CFG_OFF_ISZ) - 1); - else - return 8 << (((GET_DCM_CFG() & DCM_CFG_MSK_DSZ) \ - >> DCM_CFG_OFF_DSZ) - 1); -} - -void dcache_flush_range(unsigned long start, unsigned long end) -{ - unsigned long line_size; - - line_size = CACHE_LINE_SIZE(DCACHE); - - while (end > start) { - __asm__ volatile ("\n\tcctl %0, L1D_VA_WB" : : "r"(start)); - __asm__ volatile ("\n\tcctl %0, L1D_VA_INVAL" : : "r"(start)); - start += line_size; - } -} - -void icache_inval_range(unsigned long start, unsigned long end) -{ - unsigned long line_size; - - line_size = CACHE_LINE_SIZE(ICACHE); - while (end > start) { - __asm__ volatile ("\n\tcctl %0, L1I_VA_INVAL" : : "r"(start)); - start += line_size; - } -} - -void flush_cache(unsigned long addr, unsigned long size) -{ - dcache_flush_range(addr, addr + size); - icache_inval_range(addr, addr + size); -} - -void icache_enable(void) -{ - __asm__ __volatile__ ( - "mfsr $p0, $mr8\n\t" - "ori $p0, $p0, 0x01\n\t" - "mtsr $p0, $mr8\n\t" - "isb\n\t" - ); -} - -void icache_disable(void) -{ - __asm__ __volatile__ ( - "mfsr $p0, $mr8\n\t" - "li $p1, ~0x01\n\t" - "and $p0, $p0, $p1\n\t" - "mtsr $p0, $mr8\n\t" - "isb\n\t" - ); -} - -int icache_status(void) -{ - int ret; - - __asm__ __volatile__ ( - "mfsr $p0, $mr8\n\t" - "andi %0, $p0, 0x01\n\t" - : "=r" (ret) - : - : "memory" - ); - - return ret; -} - -void dcache_enable(void) -{ - __asm__ __volatile__ ( - "mfsr $p0, $mr8\n\t" - "ori $p0, $p0, 0x02\n\t" - "mtsr $p0, $mr8\n\t" - "isb\n\t" - ); -} - -void dcache_disable(void) -{ - __asm__ __volatile__ ( - "mfsr $p0, $mr8\n\t" - "li $p1, ~0x02\n\t" - "and $p0, $p0, $p1\n\t" - "mtsr $p0, $mr8\n\t" - "isb\n\t" - ); -} - -int dcache_status(void) -{ - int ret; - - __asm__ __volatile__ ( - "mfsr $p0, $mr8\n\t" - "andi %0, $p0, 0x02\n\t" - : "=r" (ret) - : - : "memory" - ); - - return ret; -} diff --git a/arch/nds32/cpu/n1213/ag102/cpu.c b/arch/nds32/cpu/n1213/ag102/cpu.c index ed88b52..252b69d 100644 --- a/arch/nds32/cpu/n1213/ag102/cpu.c +++ b/arch/nds32/cpu/n1213/ag102/cpu.c @@ -81,115 +81,3 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) /*NOTREACHED*/ } - -static inline unsigned long CACHE_LINE_SIZE(enum cache_t cache) -{ - if (cache == ICACHE) - return 8 << (((GET_ICM_CFG() & ICM_CFG_MSK_ISZ) \ - >> ICM_CFG_OFF_ISZ) - 1); - else - return 8 << (((GET_DCM_CFG() & DCM_CFG_MSK_DSZ) \ - >> DCM_CFG_OFF_DSZ) - 1); -} - -void dcache_flush_range(unsigned long start, unsigned long end) -{ - unsigned long line_size; - - line_size = CACHE_LINE_SIZE(DCACHE); - - while (end > start) { - __asm__ volatile ("\n\tcctl %0, L1D_VA_WB" : : "r"(start)); - __asm__ volatile ("\n\tcctl %0, L1D_VA_INVAL" : : "r"(start)); - start += line_size; - } -} - -void icache_inval_range(unsigned long start, unsigned long end) -{ - unsigned long line_size; - - line_size = CACHE_LINE_SIZE(ICACHE); - while (end > start) { - __asm__ volatile ("\n\tcctl %0, L1I_VA_INVAL" : : "r"(start)); - start += line_size; - } -} - -void flush_cache(unsigned long addr, unsigned long size) -{ - dcache_flush_range(addr, addr + size); - icache_inval_range(addr, addr + size); -} - -void icache_enable(void) -{ - __asm__ __volatile__ ( - "mfsr $p0, $mr8\n\t" - "ori $p0, $p0, 0x01\n\t" - "mtsr $p0, $mr8\n\t" - "isb\n\t" - ); -} - -void icache_disable(void) -{ - __asm__ __volatile__ ( - "mfsr $p0, $mr8\n\t" - "li $p1, ~0x01\n\t" - "and $p0, $p0, $p1\n\t" - "mtsr $p0, $mr8\n\t" - "isb\n\t" - ); -} - -int icache_status(void) -{ - int ret; - - __asm__ __volatile__ ( - "mfsr $p0, $mr8\n\t" - "andi %0, $p0, 0x01\n\t" - : "=r" (ret) - : - : "memory" - ); - - return ret; -} - -void dcache_enable(void) -{ - __asm__ __volatile__ ( - "mfsr $p0, $mr8\n\t" - "ori $p0, $p0, 0x02\n\t" - "mtsr $p0, $mr8\n\t" - "isb\n\t" - ); -} - -void dcache_disable(void) -{ - __asm__ __volatile__ ( - "mfsr $p0, $mr8\n\t" - "li $p1, ~0x02\n\t" - "and $p0, $p0, $p1\n\t" - "mtsr $p0, $mr8\n\t" - "isb\n\t" - ); -} - -int dcache_status(void) -{ - int ret; - - __asm__ __volatile__ ( - "mfsr $p0, $mr8\n\t" - "andi %0, $p0, 0x02\n\t" - : "=r" (ret) - : - : "memory" - ); - - return ret; -} diff --git a/arch/nds32/lib/Makefile b/arch/nds32/lib/Makefile index e5c31c3..581a2e7 100644 --- a/arch/nds32/lib/Makefile +++ b/arch/nds32/lib/Makefile @@ -29,7 +29,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(ARCH).o -OBJS := board.o bootm.o interrupts.o +OBJS := board.o bootm.o cache.o interrupts.o all: $(LIB) diff --git a/arch/nds32/lib/cache.c b/arch/nds32/lib/cache.c new file mode 100644 index 0000000..0f1a886 --- /dev/null +++ b/arch/nds32/lib/cache.c @@ -0,0 +1,157 @@ +/* + * Copyright (C) 2012 Andes Technology Corporation + * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> + * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <common.h> + +static inline unsigned long CACHE_LINE_SIZE(enum cache_t cache) +{ + if (cache == ICACHE) + return 8 << (((GET_ICM_CFG() & ICM_CFG_MSK_ISZ) \ + >> ICM_CFG_OFF_ISZ) - 1); + else + return 8 << (((GET_DCM_CFG() & DCM_CFG_MSK_DSZ) \ + >> DCM_CFG_OFF_DSZ) - 1); +} + +void flush_dcache_range(unsigned long start, unsigned long end) +{ + unsigned long line_size; + + line_size = CACHE_LINE_SIZE(DCACHE); + + while (end > start) { + asm volatile ( + "\n\tcctl %0, L1D_VA_WB" + "\n\tcctl %0, L1D_VA_INVAL" + : + : "r" (start) + ); + start += line_size; + } +} + +void invalidate_icache_range(unsigned long start, unsigned long end) +{ + unsigned long line_size; + + line_size = CACHE_LINE_SIZE(ICACHE); + while (end > start) { + asm volatile ( + "\n\tcctl %0, L1I_VA_INVAL" + : + : "r"(start) + ); + start += line_size; + } +} + +void invalidate_dcache_range(unsigned long start, unsigned long end) +{ + unsigned long line_size; + + line_size = CACHE_LINE_SIZE(DCACHE); + while (end > start) { + asm volatile ( + "\n\tcctl %0, L1D_VA_INVAL" + : + : "r"(start) + ); + start += line_size; + } +} + +void flush_cache(unsigned long addr, unsigned long size) +{ + flush_dcache_range(addr, addr + size); + invalidate_icache_range(addr, addr + size); +} + +void icache_enable(void) +{ + asm volatile ( + "mfsr $p0, $mr8\n\t" + "ori $p0, $p0, 0x01\n\t" + "mtsr $p0, $mr8\n\t" + "isb\n\t" + ); +} + +void icache_disable(void) +{ + asm volatile ( + "mfsr $p0, $mr8\n\t" + "li $p1, ~0x01\n\t" + "and $p0, $p0, $p1\n\t" + "mtsr $p0, $mr8\n\t" + "isb\n\t" + ); +} + +int icache_status(void) +{ + int ret; + + asm volatile ( + "mfsr $p0, $mr8\n\t" + "andi %0, $p0, 0x01\n\t" + : "=r" (ret) + : + : "memory" + ); + + return ret; +} + +void dcache_enable(void) +{ + asm volatile ( + "mfsr $p0, $mr8\n\t" + "ori $p0, $p0, 0x02\n\t" + "mtsr $p0, $mr8\n\t" + "isb\n\t" + ); +} + +void dcache_disable(void) +{ + asm volatile ( + "mfsr $p0, $mr8\n\t" + "li $p1, ~0x02\n\t" + "and $p0, $p0, $p1\n\t" + "mtsr $p0, $mr8\n\t" + "isb\n\t" + ); +} + +int dcache_status(void) +{ + int ret; + + asm volatile ( + "mfsr $p0, $mr8\n\t" + "andi %0, $p0, 0x02\n\t" + : "=r" (ret) + : + : "memory" + ); + + return ret; +} diff --git a/include/common.h b/include/common.h index be9c278..39859d3 100644 --- a/include/common.h +++ b/include/common.h @@ -39,7 +39,6 @@ typedef volatile unsigned char vu_char; #include <linux/bitops.h> #include <linux/types.h> #include <linux/string.h> -#include <linux/compiler.h> #include <asm/ptrace.h> #include <stdarg.h> #if defined(CONFIG_PCI) && (defined(CONFIG_4xx) && !defined(CONFIG_AP1000)) @@ -959,7 +958,7 @@ int cpu_release(int nr, int argc, char * const argv[]); */ #define DEFINE_ALIGN_BUFFER(type, name, size, align) \ static char __##name[roundup(size * sizeof(type), align)] \ - __aligned(align); \ + __attribute__((aligned(align))); \ \ static type *name = (type *)__##name #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ |