1 files changed, 45 insertions, 0 deletions
diff --git a/roms/u-boot/arch/powerpc/cpu/ppc4xx/usb.c b/roms/u-boot/arch/powerpc/cpu/ppc4xx/usb.c
new file mode 100644
index 00000000..16b44cce
--- /dev/null
+++ b/roms/u-boot/arch/powerpc/cpu/ppc4xx/usb.c
@@ -0,0 +1,45 @@
+/*
+ * (C) Copyright 2007
+ * Markus Klotzbuecher, DENX Software Engineering <mk@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+
+#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
+
+#ifdef CONFIG_4xx_DCACHE
+#include <asm/mmu.h>
+DECLARE_GLOBAL_DATA_PTR;
+#endif
+
+int usb_cpu_init(void)
+{
+#ifdef CONFIG_4xx_DCACHE
+	/* disable cache */
+	change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, TLB_WORD2_I_ENABLE);
+#endif
+
+	return 0;
+}
+
+int usb_cpu_stop(void)
+{
+#ifdef CONFIG_4xx_DCACHE
+	/* enable cache */
+	change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, 0);
+#endif
+	return 0;
+}
+
+int usb_cpu_init_fail(void)
+{
+#ifdef CONFIG_4xx_DCACHE
+	/* enable cache */
+	change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, 0);
+#endif
+	return 0;
+}
+
+#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */