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-rw-r--r--arch/arm/mach-ebsa110/include/mach/uncompress.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm/mach-ebsa110/include/mach/uncompress.h b/arch/arm/mach-ebsa110/include/mach/uncompress.h
new file mode 100644
index 000000000..3ec12efe9
--- /dev/null
+++ b/arch/arm/mach-ebsa110/include/mach/uncompress.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * arch/arm/mach-ebsa110/include/mach/uncompress.h
+ *
+ * Copyright (C) 1996,1997,1998 Russell King
+ */
+
+#include <linux/serial_reg.h>
+
+#define SERIAL_BASE ((unsigned char *)0xf0000be0)
+
+/*
+ * This does not append a newline
+ */
+static inline void putc(int c)
+{
+ unsigned char v, *base = SERIAL_BASE;
+
+ do {
+ v = base[UART_LSR << 2];
+ barrier();
+ } while (!(v & UART_LSR_THRE));
+
+ base[UART_TX << 2] = c;
+}
+
+static inline void flush(void)
+{
+ unsigned char v, *base = SERIAL_BASE;
+
+ do {
+ v = base[UART_LSR << 2];
+ barrier();
+ } while ((v & (UART_LSR_TEMT|UART_LSR_THRE)) !=
+ (UART_LSR_TEMT|UART_LSR_THRE));
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()