aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-kirkwood/include/mach/uncompress.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-08-13 13:08:47 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-13 13:08:47 +0200
commita12e61df4fa1cfae7a6b76976fa65a6fcb048e3f (patch)
tree957c915298b299902aa80afa7c78e94c71b3dc25 /arch/arm/mach-kirkwood/include/mach/uncompress.h
parent7b27718bdb1b70166383dec91391df5534d449ee (diff)
parent30a2f3c60a84092c8084dfe788b710f8d0768cd4 (diff)
Merge commit 'v2.6.27-rc3' into x86/urgent
Diffstat (limited to 'arch/arm/mach-kirkwood/include/mach/uncompress.h')
-rw-r--r--arch/arm/mach-kirkwood/include/mach/uncompress.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/include/mach/uncompress.h b/arch/arm/mach-kirkwood/include/mach/uncompress.h
new file mode 100644
index 00000000000..75d5497df3a
--- /dev/null
+++ b/arch/arm/mach-kirkwood/include/mach/uncompress.h
@@ -0,0 +1,47 @@
+/*
+ * arch/arm/mach-kirkwood/include/mach/uncompress.h
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/serial_reg.h>
+#include <mach/kirkwood.h>
+
+#define SERIAL_BASE ((unsigned char *)UART0_PHYS_BASE)
+
+static void putc(const char c)
+{
+ unsigned char *base = SERIAL_BASE;
+ int i;
+
+ for (i = 0; i < 0x1000; i++) {
+ if (base[UART_LSR << 2] & UART_LSR_THRE)
+ break;
+ barrier();
+ }
+
+ base[UART_TX << 2] = c;
+}
+
+static void flush(void)
+{
+ unsigned char *base = SERIAL_BASE;
+ unsigned char mask;
+ int i;
+
+ mask = UART_LSR_TEMT | UART_LSR_THRE;
+
+ for (i = 0; i < 0x1000; i++) {
+ if ((base[UART_LSR << 2] & mask) == mask)
+ break;
+ barrier();
+ }
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+#define arch_decomp_wdog()