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Diffstat (limited to 'arch/nds32/cpu/n1213/ag101/cpu.c')
-rw-r--r--arch/nds32/cpu/n1213/ag101/cpu.c112
1 files changed, 0 insertions, 112 deletions
diff --git a/arch/nds32/cpu/n1213/ag101/cpu.c b/arch/nds32/cpu/n1213/ag101/cpu.c
index c2636b121..a9991e767 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;
-}