X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=cpu%2Fmips%2Fcpu.c;h=8b43d8eb36281c0522e58649c852c0e28d96151a;hb=3596d55eb22703d3f4f1b839fe4b000fabe081b3;hp=c27abbdd111b48b3f6e96722c35d3519839b8fa0;hpb=8bde7f776c77b343aca29b8c7b58464d915ac245;p=oweals%2Fu-boot.git

diff --git a/cpu/mips/cpu.c b/cpu/mips/cpu.c
index c27abbdd11..8b43d8eb36 100644
--- a/cpu/mips/cpu.c
+++ b/cpu/mips/cpu.c
@@ -23,22 +23,53 @@
 
 #include <common.h>
 #include <command.h>
-#include <asm/inca-ip.h>
+#include <asm/mipsregs.h>
+#include <asm/cacheops.h>
+#include <asm/reboot.h>
+
+#define cache_op(op,addr)						\
+	__asm__ __volatile__(						\
+	"	.set	push					\n"	\
+	"	.set	noreorder				\n"	\
+	"	.set	mips3\n\t				\n"	\
+	"	cache	%0, %1					\n"	\
+	"	.set	pop					\n"	\
+	:								\
+	: "i" (op), "R" (*(unsigned char *)(addr)))
+
+void __attribute__((weak)) _machine_restart(void)
+{
+}
 
 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 {
-#if defined(CONFIG_INCA_IP)
-	*INCA_IP_WDT_RST_REQ = 0x3f;
-#elif defined(CONFIG_PURPLE)
-	void (*f)(void) = (void *) 0xbfc00000;
+	_machine_restart();
 
-	f();
-#endif
 	fprintf(stderr, "*** reset failed ***\n");
 	return 0;
 }
 
-void flush_cache (ulong start_addr, ulong size)
+void flush_cache(ulong start_addr, ulong size)
 {
+	unsigned long lsize = CFG_CACHELINE_SIZE;
+	unsigned long addr = start_addr & ~(lsize - 1);
+	unsigned long aend = (start_addr + size - 1) & ~(lsize - 1);
 
+	while (1) {
+		cache_op(Hit_Writeback_Inv_D, start_addr);
+		cache_op(Hit_Invalidate_I, start_addr);
+		if (addr == aend)
+			break;
+		addr += lsize;
+	}
+}
+
+void write_one_tlb(int index, u32 pagemask, u32 hi, u32 low0, u32 low1)
+{
+	write_32bit_cp0_register(CP0_ENTRYLO0, low0);
+	write_32bit_cp0_register(CP0_PAGEMASK, pagemask);
+	write_32bit_cp0_register(CP0_ENTRYLO1, low1);
+	write_32bit_cp0_register(CP0_ENTRYHI, hi);
+	write_32bit_cp0_register(CP0_INDEX, index);
+	tlb_write_indexed();
 }