ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/arch/powerpc/math-emu/mtfsfi.c b/marvell/linux/arch/powerpc/math-emu/mtfsfi.c
new file mode 100644
index 0000000..45f1edb
--- /dev/null
+++ b/marvell/linux/arch/powerpc/math-emu/mtfsfi.c
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/uaccess.h>
+
+#include <asm/sfp-machine.h>
+#include <math-emu/soft-fp.h>
+
+int
+mtfsfi(unsigned int crfD, unsigned int IMM)
+{
+ u32 mask = 0xf;
+
+ if (!crfD)
+ mask = 9;
+
+ __FPU_FPSCR &= ~(mask << ((7 - crfD) << 2));
+ __FPU_FPSCR |= (IMM & 0xf) << ((7 - crfD) << 2);
+
+#ifdef DEBUG
+ printk("%s: %d %x: %08lx\n", __func__, crfD, IMM, __FPU_FPSCR);
+#endif
+
+ return 0;
+}