ARM: add base support for Marvell Dove SoC

The Marvell Dove (88AP510) is a high-performance, highly integrated,
low power SoC with high-end ARM-compatible processor (known as PJ4),
graphics processing unit, high-definition video decoding acceleration
hardware, and a broad range of peripherals.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/arch/arm/mach-dove/include/mach/uncompress.h b/arch/arm/mach-dove/include/mach/uncompress.h
new file mode 100644
index 0000000..2c5cdd7
--- /dev/null
+++ b/arch/arm/mach-dove/include/mach/uncompress.h
@@ -0,0 +1,37 @@
+/*
+ * arch/arm/mach-dove/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 <mach/dove.h>
+
+#define UART_THR ((volatile unsigned char *)(DOVE_UART0_PHYS_BASE + 0x0))
+#define UART_LSR ((volatile unsigned char *)(DOVE_UART0_PHYS_BASE + 0x14))
+
+#define LSR_THRE	0x20
+
+static void putc(const char c)
+{
+	int i;
+
+	for (i = 0; i < 0x1000; i++) {
+		/* Transmit fifo not full? */
+		if (*UART_LSR & LSR_THRE)
+			break;
+	}
+
+	*UART_THR = c;
+}
+
+static void flush(void)
+{
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+#define arch_decomp_wdog()