Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arm / mach-iop32x / include / mach / uncompress.h

diff --git a/kernel/arch/arm/mach-iop32x/include/mach/uncompress.h b/kernel/arch/arm/mach-iop32x/include/mach/uncompress.h
new file mode 100644 (file)
index 0000000..b3d45fd
--- /dev/null
+++ b/kernel/arch/arm/mach-iop32x/include/mach/uncompress.h
@@ -0,0 +1,38 @@
+/*
+ * arch/arm/mach-iop32x/include/mach/uncompress.h
+ */
+
+#include <asm/types.h>
+#include <asm/mach-types.h>
+#include <linux/serial_reg.h>
+#include <mach/hardware.h>
+
+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[UART_TX] = 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() || machine_is_em7210())
+               uart_base = (volatile u8 *)IQ31244_UART;
+       else
+               uart_base = (volatile u8 *)0xfe800000;
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()    __arch_decomp_setup(arch_id)