1 files changed, 83 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/mach/uncompress.h b/arch/arm/plat-omap/include/mach/uncompress.h
new file mode 100644
index 000000000000..0814c5f210c3
--- /dev/null
+++ b/arch/arm/plat-omap/include/mach/uncompress.h
@@ -0,0 +1,83 @@
+/*
+ * arch/arm/plat-omap/include/mach/uncompress.h
+ *
+ * Serial port stubs for kernel decompress status messages
+ *
+ * Initially based on:
+ * linux-2.4.15-rmk1-dsplinux1.6/arch/arm/plat-omap/include/mach1510/uncompress.h
+ * Copyright (C) 2000 RidgeRun, Inc.
+ * Author: Greg Lonnon <glonnon@ridgerun.com>
+ *
+ * Rewritten by:
+ * Author: <source@mvista.com>
+ * 2004 (c) MontaVista Software, Inc.
+ *
+ * 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/types.h>
+#include <linux/serial_reg.h>
+#include <mach/serial.h>
+
+unsigned int system_rev;
+
+#define UART_OMAP_MDR1		0x08	/* mode definition register */
+#define OMAP_ID_730		0x355F
+#define ID_MASK			0x7fff
+#define check_port(base, shift) ((base[UART_OMAP_MDR1 << shift] & 7) == 0)
+#define omap_get_id() ((*(volatile unsigned int *)(0xfffed404)) >> 12) & ID_MASK
+
+static void putc(int c)
+{
+	volatile u8 * uart = 0;
+	int shift = 2;
+
+#ifdef CONFIG_MACH_OMAP_PALMTE
+	return;
+#endif
+
+#ifdef CONFIG_ARCH_OMAP
+#ifdef	CONFIG_OMAP_LL_DEBUG_UART3
+	uart = (volatile u8 *)(OMAP_UART3_BASE);
+#elif defined(CONFIG_OMAP_LL_DEBUG_UART2)
+	uart = (volatile u8 *)(OMAP_UART2_BASE);
+#else
+	uart = (volatile u8 *)(OMAP_UART1_BASE);
+#endif
+
+#ifdef CONFIG_ARCH_OMAP1
+	/* Determine which serial port to use */
+	do {
+		/* MMU is not on, so cpu_is_omapXXXX() won't work here */
+		unsigned int omap_id = omap_get_id();
+
+		if (omap_id == OMAP_ID_730)
+			shift = 0;
+
+		if (check_port(uart, shift))
+			break;
+		/* Silent boot if no serial ports are enabled. */
+		return;
+	} while (0);
+#endif /* CONFIG_ARCH_OMAP1 */
+#endif
+
+	/*
+	 * Now, xmit each character
+	 */
+	while (!(uart[UART_LSR << shift] & UART_LSR_THRE))
+		barrier();
+	uart[UART_TX << shift] = c;
+}
+
+static inline void flush(void)
+{
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+#define arch_decomp_wdog()