Merge tag 'mips-fixes-for-v2024.04' of https://source.denx.de/u-boot/custodians/u-boot-mips

- mips: implement __udivdi3 to fix building of SquashFS
- mips: fix bug in cache init on MIPS32r2 or later

arch/mips/lib/Makefile

@@ -14,4 +14,4 @@ obj-$(CONFIG_CMD_BOOTM) += bootm.o
 obj-$(CONFIG_CMD_GO) += boot.o
 obj-$(CONFIG_SPL_BUILD) += spl.o
 
-lib-$(CONFIG_USE_PRIVATE_LIBGCC) += ashldi3.o ashrdi3.o lshrdi3.o
+lib-$(CONFIG_USE_PRIVATE_LIBGCC) += ashldi3.o ashrdi3.o lshrdi3.o udivdi3.o

arch/mips/lib/cache_init.S

@@ -431,9 +431,9 @@ LEAF(change_k0_cca)
 #else
 	xor		a0, a0, t0
 	andi		a0, a0, CONF_CM_CMASK
-	xor		a0, a0, t0
+	xor		t0, a0, t0
 #endif
-	mtc0		a0, CP0_CONFIG
+	mtc0		t0, CP0_CONFIG
 
 	jr.hb		ra
 	END(change_k0_cca)

arch/mips/lib/udivdi3.c

@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#include "libgcc.h"
+
+#if BITS_PER_LONG == 32
+
+#include <div64.h>
+
+long long __udivdi3(long long u, word_type b)
+{
+	long long ret = u;
+
+	__div64_32(&ret, b);
+	return ret;
+}
+
+#endif /* BITS_PER_LONG == 32 */