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-rw-r--r--arch/arm/mach-pxa/include/mach/uncompress.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/include/mach/uncompress.h b/arch/arm/mach-pxa/include/mach/uncompress.h
new file mode 100644
index 00000000..5519a34b
--- /dev/null
+++ b/arch/arm/mach-pxa/include/mach/uncompress.h
@@ -0,0 +1,79 @@
+/*
+ * arch/arm/mach-pxa/include/mach/uncompress.h
+ *
+ * Author: Nicolas Pitre
+ * Copyright: (C) 2001 MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/serial_reg.h>
+#include <asm/mach-types.h>
+
+#define FFUART_BASE (0x40100000)
+#define BTUART_BASE (0x40200000)
+#define STUART_BASE (0x40700000)
+
+unsigned long uart_base;
+unsigned int uart_shift;
+unsigned int uart_is_pxa;
+
+static inline unsigned char uart_read(int offset)
+{
+ return *(volatile unsigned char *)(uart_base + (offset << uart_shift));
+}
+
+static inline void uart_write(unsigned char val, int offset)
+{
+ *(volatile unsigned char *)(uart_base + (offset << uart_shift)) = val;
+}
+
+static inline int uart_is_enabled(void)
+{
+ /* assume enabled by default for non-PXA uarts */
+ return uart_is_pxa ? uart_read(UART_IER) & UART_IER_UUE : 1;
+}
+
+static inline void putc(char c)
+{
+ if (!uart_is_enabled())
+ return;
+
+ while (!(uart_read(UART_LSR) & UART_LSR_THRE))
+ barrier();
+
+ uart_write(c, UART_TX);
+}
+
+/*
+ * This does not append a newline
+ */
+static inline void flush(void)
+{
+}
+
+static inline void arch_decomp_setup(void)
+{
+ /* initialize to default */
+ uart_base = FFUART_BASE;
+ uart_shift = 2;
+ uart_is_pxa = 1;
+
+ if (machine_is_littleton() || machine_is_intelmote2()
+ || machine_is_csb726() || machine_is_stargate2()
+ || machine_is_cm_x300() || machine_is_balloon3())
+ uart_base = STUART_BASE;
+
+ if (machine_is_arcom_zeus()) {
+ uart_base = 0x10000000; /* nCS4 */
+ uart_shift = 1;
+ uart_is_pxa = 0;
+ }
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_wdog()