Merge tag 'omap-for-v3.8/cleanup-headers-serial-take2-signed' of git:…

…//git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/headers

These changes remove plat/serial.h usage for omap2+.

Note that this branch is based on a tty commit 3e9a632
(tty/serial/8250: Make omap hardware workarounds local to 8250.h)
merged with omap-for-v3.8/cleanup-headers-signed.

The tty commit is needed to keep things compiling for omaps,
and omap-for-v3.8/cleanup-headers-signed is needed to avoid
multiple merge conflicts with the includes. I've verified
with Greg KH that the tty commit above is immutable and OK
to use as a base.

By Tony Lindgren
via Tony Lindgren
* tag 'omap-for-v3.8/cleanup-headers-serial-take2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: Split plat/serial.h for omap1 and omap2+
  ARM: OMAP: Split uncompress.h to mach-omap1 and mach-omap2

arch/arm/mach-omap1/include/mach/debug-macro.S

@@ -13,7 +13,7 @@
 
 #include <linux/serial_reg.h>
 
-#include <plat/serial.h>
+#include "serial.h"
 
 		.pushsection .data
 omap_uart_phys:	.word	0x0

arch/arm/mach-omap1/include/mach/hardware.h

@@ -72,7 +72,7 @@ static inline u32 omap_cs3_phys(void)
 
 #endif	/* ifndef __ASSEMBLER__ */
 
-#include <plat/serial.h>
+#include <mach/serial.h>
 
 /*
  * ---------------------------------------------------------------------------

arch/arm/mach-omap1/include/mach/serial.h

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support- Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
+ * 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.
+ */
+
+#ifndef __ASM_ARCH_SERIAL_H
+#define __ASM_ARCH_SERIAL_H
+
+#include <linux/init.h>
+
+/*
+ * Memory entry used for the DEBUG_LL UART configuration, relative to
+ * start of RAM. See also uncompress.h and debug-macro.S.
+ *
+ * Note that using a memory location for storing the UART configuration
+ * has at least two limitations:
+ *
+ * 1. Kernel uncompress code cannot overlap OMAP_UART_INFO as the
+ *    uncompress code could then partially overwrite itself
+ * 2. We assume printascii is called at least once before paging_init,
+ *    and addruart has a chance to read OMAP_UART_INFO
+ */
+#define OMAP_UART_INFO_OFS	0x3ffc
+
+/* OMAP1 serial ports */
+#define OMAP1_UART1_BASE	0xfffb0000
+#define OMAP1_UART2_BASE	0xfffb0800
+#define OMAP1_UART3_BASE	0xfffb9800
+
+#define OMAP_PORT_SHIFT		2
+#define OMAP7XX_PORT_SHIFT	0
+
+#define OMAP1510_BASE_BAUD	(12000000/16)
+#define OMAP16XX_BASE_BAUD	(48000000/16)
+
+/*
+ * DEBUG_LL port encoding stored into the UART1 scratchpad register by
+ * decomp_setup in uncompress.h
+ */
+#define OMAP1UART1		11
+#define OMAP1UART2		12
+#define OMAP1UART3		13
+
+#ifndef __ASSEMBLER__
+extern void omap_serial_init(void);
+#endif
+
+#endif

arch/arm/mach-omap1/include/mach/uncompress.h

@@ -1,5 +1,122 @@
 /*
- * arch/arm/mach-omap1/include/mach/uncompress.h
+ * 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 <plat/uncompress.h>
+#include <linux/types.h>
+#include <linux/serial_reg.h>
+
+#include <asm/memory.h>
+#include <asm/mach-types.h>
+
+#include "serial.h"
+
+#define MDR1_MODE_MASK			0x07
+
+volatile u8 *uart_base;
+int uart_shift;
+
+/*
+ * Store the DEBUG_LL uart number into memory.
+ * See also debug-macro.S, and serial.c for related code.
+ */
+static void set_omap_uart_info(unsigned char port)
+{
+	/*
+	 * Get address of some.bss variable and round it down
+	 * a la CONFIG_AUTO_ZRELADDR.
+	 */
+	u32 ram_start = (u32)&uart_shift & 0xf8000000;
+	u32 *uart_info = (u32 *)(ram_start + OMAP_UART_INFO_OFS);
+	*uart_info = port;
+}
+
+static void putc(int c)
+{
+	if (!uart_base)
+		return;
+
+	/* Check for UART 16x mode */
+	if ((uart_base[UART_OMAP_MDR1 << uart_shift] & MDR1_MODE_MASK) != 0)
+		return;
+
+	while (!(uart_base[UART_LSR << uart_shift] & UART_LSR_THRE))
+		barrier();
+	uart_base[UART_TX << uart_shift] = c;
+}
+
+static inline void flush(void)
+{
+}
+
+/*
+ * Macros to configure UART1 and debug UART
+ */
+#define _DEBUG_LL_ENTRY(mach, dbg_uart, dbg_shft, dbg_id)		\
+	if (machine_is_##mach()) {					\
+		uart_base = (volatile u8 *)(dbg_uart);			\
+		uart_shift = (dbg_shft);				\
+		port = (dbg_id);					\
+		set_omap_uart_info(port);				\
+		break;							\
+	}
+
+#define DEBUG_LL_OMAP7XX(p, mach)					\
+	_DEBUG_LL_ENTRY(mach, OMAP1_UART##p##_BASE, OMAP7XX_PORT_SHIFT,	\
+		OMAP1UART##p)
+
+#define DEBUG_LL_OMAP1(p, mach)						\
+	_DEBUG_LL_ENTRY(mach, OMAP1_UART##p##_BASE, OMAP_PORT_SHIFT,	\
+		OMAP1UART##p)
+
+static inline void arch_decomp_setup(void)
+{
+	int port = 0;
+
+	/*
+	 * 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 {
+		/* omap7xx/8xx based boards using UART1 with shift 0 */
+		DEBUG_LL_OMAP7XX(1, herald);
+		DEBUG_LL_OMAP7XX(1, omap_perseus2);
+
+		/* omap15xx/16xx based boards using UART1 */
+		DEBUG_LL_OMAP1(1, ams_delta);
+		DEBUG_LL_OMAP1(1, nokia770);
+		DEBUG_LL_OMAP1(1, omap_h2);
+		DEBUG_LL_OMAP1(1, omap_h3);
+		DEBUG_LL_OMAP1(1, omap_innovator);
+		DEBUG_LL_OMAP1(1, omap_osk);
+		DEBUG_LL_OMAP1(1, omap_palmte);
+		DEBUG_LL_OMAP1(1, omap_palmz71);
+
+		/* omap15xx/16xx based boards using UART2 */
+		DEBUG_LL_OMAP1(2, omap_palmtt);
+
+		/* omap15xx/16xx based boards using UART3 */
+		DEBUG_LL_OMAP1(3, sx1);
+	} while (0);
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_wdog()

arch/arm/mach-omap2/board-rm680.c

@@ -25,7 +25,6 @@
 #include <plat/usb.h>
 #include "gpmc.h"
 #include "common.h"
-#include <plat/serial.h>
 
 #include "mux.h"
 #include "mmc.h"

arch/arm/mach-omap2/common.h

@@ -34,11 +34,10 @@
 
 #include <asm/proc-fns.h>
 
-#include <plat/serial.h>
-
 #include "../plat-omap/common.h"
 
 #include "i2c.h"
+#include "serial.h"
 
 #define OMAP_INTC_START		NR_IRQS
 

arch/arm/mach-omap2/include/mach/debug-macro.S

@@ -13,7 +13,7 @@
 
 #include <linux/serial_reg.h>
 
-#include <plat/serial.h>
+#include <../mach-omap2/serial.h>
 
 #define UART_OFFSET(addr)	((addr) & 0x00ffffff)