1 files changed, 38 insertions, 0 deletions

diff --git a/include/asm-arm/arch-iop32x/uncompress.h b/include/asm-arm/arch-iop32x/uncompress.h
new file mode 100644
index 000000000000..4a85f20c796f
--- /dev/null
+++ b/include/asm-arm/arch-iop32x/uncompress.h
@@ -0,0 +1,38 @@
+/*
+ *  linux/include/asm-arm/arch-iop32x/uncompress.h
+ */
+#include <asm/types.h>
+#include <asm/mach-types.h>
+#include <linux/serial_reg.h>
+#include <asm/hardware.h>
+
+static volatile u8 *uart_base;
+
+#define TX_DONE (UART_LSR_TEMT|UART_LSR_THRE)
+
+static inline void putc(char c)
+{
+        while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE)
+                barrier();
+        *uart_base = c;
+}
+
+static inline void flush(void)
+{
+}
+
+static __inline__ void __arch_decomp_setup(unsigned long arch_id)
+{
+        if (machine_is_iq80321())
+                uart_base = (volatile u8 *)IQ80321_UART;
+        else if (machine_is_iq31244())
+                uart_base = (volatile u8 *)IQ31244_UART;
+        else
+                uart_base = (volatile u8 *)0xfe800000;
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()     __arch_decomp_setup(arch_id)
+#define arch_decomp_wdog()