Merge commit 'v2.6.27-rc7' into x86/debug

1 files changed, 71 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/include/mach/uncompress.h b/arch/arm/mach-imx/include/mach/uncompress.h
new file mode 100644
index 000000000000..70523e67a8f6
--- /dev/null
+++ b/arch/arm/mach-imx/include/mach/uncompress.h
@@ -0,0 +1,71 @@
+/*
+ *  arch/arm/mach-imxads/include/mach/uncompress.h
+ *
+ *
+ *
+ *  Copyright (C) 1999 ARM Limited
+ *  Copyright (C) Shane Nay (shane@minirl.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#define UART(x) (*(volatile unsigned long *)(serial_port + (x)))
+
+#define UART1_BASE 0x206000
+#define UART2_BASE 0x207000
+#define USR2 0x98
+#define USR2_TXFE (1<<14)
+#define TXR  0x40
+#define UCR1 0x80
+#define UCR1_UARTEN 1
+
+/*
+ * The following code assumes the serial port has already been
+ * initialized by the bootloader.  We search for the first enabled
+ * port in the most probable order.  If you didn't setup a port in
+ * your bootloader then nothing will appear (which might be desired).
+ *
+ * This does not append a newline
+ */
+static void putc(int c)
+{
+	unsigned long serial_port;
+
+	do {
+		serial_port = UART1_BASE;
+		if ( UART(UCR1) & UCR1_UARTEN )
+			break;
+		serial_port = UART2_BASE;
+		if ( UART(UCR1) & UCR1_UARTEN )
+			break;
+		return;
+	} while(0);
+
+	while (!(UART(USR2) & USR2_TXFE))
+		barrier();
+
+	UART(TXR) = c;
+}
+
+static inline void flush(void)
+{
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+
+#define arch_decomp_wdog()