Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 42 insertions, 0 deletions

diff --git a/arch/arm/mach-iop32x/include/mach/hardware.h b/arch/arm/mach-iop32x/include/mach/hardware.h
new file mode 100644
index 000000000..6e5303e60
--- /dev/null
+++ b/arch/arm/mach-iop32x/include/mach/hardware.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * arch/arm/mach-iop32x/include/mach/hardware.h
+ */
+
+#ifndef __HARDWARE_H
+#define __HARDWARE_H
+
+#include <asm/types.h>
+
+/*
+ * Note about PCI IO space mappings
+ *
+ * To make IO space accesses efficient, we store virtual addresses in
+ * the IO resources.
+ *
+ * The PCI IO space is located at virtual 0xfe000000 from physical
+ * 0x90000000. The PCI BARs must be programmed with physical addresses,
+ * but when we read them, we convert them to virtual addresses. See
+ * arch/arm/plat-iop/pci.c.
+ */
+
+#ifndef __ASSEMBLY__
+void iop32x_init_irq(void);
+#endif
+
+
+/*
+ * Generic chipset bits
+ */
+#include "iop32x.h"
+
+/*
+ * Board specific bits
+ */
+#include "glantank.h"
+#include "iq80321.h"
+#include "iq31244.h"
+#include "n2100.h"
+
+
+#endif