- if (icache_status())
- blackfin_icache_flush_range((void*)dummy1, (void*)(dummy1 + dummy2));
- if (dcache_status())
- blackfin_dcache_flush_range((void*)dummy1, (void*)(dummy1 + dummy2));
+ start_addr = (void *)addr;
+ end_addr = (void *)(addr + size);
+ istatus = icache_status();
+ dstatus = dcache_status();
+
+ if (istatus) {
+ if (dstatus)
+ blackfin_icache_dcache_flush_range(start_addr, end_addr);
+ else
+ blackfin_icache_flush_range(start_addr, end_addr);
+ } else if (dstatus)
+ blackfin_dcache_flush_range(start_addr, end_addr);
+}
+
+#ifdef CONFIG_DCACHE_WB
+static void flushinv_all_dcache(void)
+{
+ u32 way, bank, subbank, set;
+ u32 status, addr;
+ u32 dmem_ctl = bfin_read_DMEM_CONTROL();
+
+ for (bank = 0; bank < 2; ++bank) {
+ if (!(dmem_ctl & (1 << (DMC1_P - bank))))
+ continue;
+
+ for (way = 0; way < 2; ++way)
+ for (subbank = 0; subbank < 4; ++subbank)
+ for (set = 0; set < 64; ++set) {
+
+ bfin_write_DTEST_COMMAND(
+ way << 26 |
+ bank << 23 |
+ subbank << 16 |
+ set << 5
+ );
+ CSYNC();
+ status = bfin_read_DTEST_DATA0();
+
+ /* only worry about valid/dirty entries */
+ if ((status & 0x3) != 0x3)
+ continue;