MIPS: add support for Broadcom MIPS BCM6358 SoC family
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/mips/mach-bmips/include/ioremap.h b/arch/mips/mach-bmips/include/ioremap.h
new file mode 100644
index 0000000..404690e
--- /dev/null
+++ b/arch/mips/mach-bmips/include/ioremap.h
@@ -0,0 +1,45 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0
+ */
+#ifndef __ASM_MACH_BMIPS_IOREMAP_H
+#define __ASM_MACH_BMIPS_IOREMAP_H
+
+#include <linux/types.h>
+
+/*
+ * Allow physical addresses to be fixed up to help peripherals located
+ * outside the low 32-bit range -- generic pass-through version.
+ */
+static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr,
+ phys_addr_t size)
+{
+ return phys_addr;
+}
+
+static inline int is_bmips_internal_registers(phys_addr_t offset)
+{
+#if defined(CONFIG_SOC_BMIPS_BCM6358)
+ if (offset >= 0xfffe0000)
+ return 1;
+#endif
+
+ return 0;
+}
+
+static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
+ unsigned long flags)
+{
+ if (is_bmips_internal_registers(offset))
+ return (void __iomem *)offset;
+
+ return NULL;
+}
+
+static inline int plat_iounmap(const volatile void __iomem *addr)
+{
+ return is_bmips_internal_registers((unsigned long)addr);
+}
+
+#define _page_cachable_default _CACHE_CACHABLE_NONCOHERENT
+
+#endif /* __ASM_MACH_BMIPS_IOREMAP_H */