fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1

Signed-off-by: Anton Arapov <anton@redhat.com>

1 files changed, 106 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h
new file mode 100644
index 00000000000..9dc7cf9664f
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/uncompress.h
@@ -0,0 +1,106 @@
+/*
+ * Serial port stubs for kernel decompress status messages
+ *
+ * Initially based on:
+ * arch/arm/plat-omap/include/mach/uncompress.h
+ *
+ * Original copyrights follow.
+ *
+ * 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 <asm/mach-types.h>
+
+#include <mach/serial.h>
+
+u32 *uart;
+
+/* PORT_16C550A, in polled non-fifo mode */
+static void putc(char c)
+{
+	while (!(uart[UART_LSR] & UART_LSR_THRE))
+		barrier();
+	uart[UART_TX] = c;
+}
+
+static inline void flush(void)
+{
+	while (!(uart[UART_LSR] & UART_LSR_THRE))
+		barrier();
+}
+
+static inline void set_uart_info(u32 phys, void * __iomem virt)
+{
+	/*
+	 * Get address of some.bss variable and round it down
+	 * a la CONFIG_AUTO_ZRELADDR.
+	 */
+	u32 ram_start = (u32)&uart & 0xf8000000;
+	u32 *uart_info = (u32 *)(ram_start + DAVINCI_UART_INFO_OFS);
+
+	uart = (u32 *)phys;
+	uart_info[0] = phys;
+	uart_info[1] = (u32)virt;
+}
+
+#define _DEBUG_LL_ENTRY(machine, phys, virt)			\
+	if (machine_is_##machine()) {				\
+		set_uart_info(phys, virt);			\
+		break;						\
+	}
+
+#define DEBUG_LL_DAVINCI(machine, port)				\
+	_DEBUG_LL_ENTRY(machine, DAVINCI_UART##port##_BASE,	\
+			IO_ADDRESS(DAVINCI_UART##port##_BASE))
+
+#define DEBUG_LL_DA8XX(machine, port)				\
+	_DEBUG_LL_ENTRY(machine, DA8XX_UART##port##_BASE,	\
+			IO_ADDRESS(DA8XX_UART##port##_BASE))
+
+#define DEBUG_LL_TNETV107X(machine, port)			\
+	_DEBUG_LL_ENTRY(machine, TNETV107X_UART##port##_BASE,	\
+			TNETV107X_UART##port##_VIRT)
+
+static inline void __arch_decomp_setup(unsigned long arch_id)
+{
+	/*
+	 * Initialize the port based on the machine ID from the bootloader.
+	 * Note that we're using macros here instead of switch statement
+	 * as machine_is functions are optimized out for the boards that
+	 * are not selected.
+	 */
+	do {
+		/* Davinci boards */
+		DEBUG_LL_DAVINCI(davinci_evm,		0);
+		DEBUG_LL_DAVINCI(sffsdr,		0);
+		DEBUG_LL_DAVINCI(neuros_osd2,		0);
+		DEBUG_LL_DAVINCI(davinci_dm355_evm,	0);
+		DEBUG_LL_DAVINCI(dm355_leopard,		0);
+		DEBUG_LL_DAVINCI(davinci_dm6467_evm,	0);
+		DEBUG_LL_DAVINCI(davinci_dm365_evm,	0);
+
+		/* DA8xx boards */
+		DEBUG_LL_DA8XX(davinci_da830_evm,	2);
+		DEBUG_LL_DA8XX(davinci_da850_evm,	2);
+		DEBUG_LL_DA8XX(mityomapl138,		1);
+		DEBUG_LL_DA8XX(omapl138_hawkboard,	2);
+
+		/* TNETV107x boards */
+		DEBUG_LL_TNETV107X(tnetv107x,		1);
+	} while (0);
+}
+
+#define arch_decomp_setup()	__arch_decomp_setup(arch_id)
+#define arch_decomp_wdog()