arm: vt8500: Add support for WM8750 and WM8850 SoCs.

This series is based on:
 git://server.prisktech.co.nz/git/linuxwmt.git tags/vt8500-multiplatform-3.9
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Merge tag 'armsoc-3.9' of git://server.prisktech.co.nz/git/linuxwmt into next/soc

From Tony Prisk:
Add support for WM8750 and WM8850 SoCs.

* tag 'armsoc-3.9' of git://server.prisktech.co.nz/git/linuxwmt:
  arm: vt8500: Add support for Wondermedia WM8750/WM8850
  arm: vt8500: Remove remaining mach includes
  arm: vt8500: Convert debug-macro.S to be multiplatform friendly
  arm: vt8500: Remove single platform Kconfig options

Signed-off-by: Olof Johansson <olof@lixom.net>

Documentation/devicetree/bindings/arm/vt8500.txt

@@ -12,3 +12,11 @@ compatible = "wm,wm8505";
 Boards with the Wondermedia WM8650 SoC shall have the following properties:
 Required root node property:
 compatible = "wm,wm8650";
+
+Boards with the Wondermedia WM8750 SoC shall have the following properties:
+Required root node property:
+compatible = "wm,wm8750";
+
+Boards with the Wondermedia WM8850 SoC shall have the following properties:
+Required root node property:
+compatible = "wm,wm8850";

arch/arm/Kconfig

@@ -949,22 +949,6 @@ config ARCH_OMAP
 	help
 	  Support for TI's OMAP platform (OMAP1/2/3/4).
 
-config ARCH_VT8500_SINGLE
-	bool "VIA/WonderMedia 85xx"
-	select ARCH_HAS_CPUFREQ
-	select ARCH_REQUIRE_GPIOLIB
-	select CLKDEV_LOOKUP
-	select COMMON_CLK
-	select CPU_ARM926T
-	select GENERIC_CLOCKEVENTS
-	select GENERIC_GPIO
-	select HAVE_CLK
-	select MULTI_IRQ_HANDLER
-	select SPARSE_IRQ
-	select USE_OF
-	help
-	  Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
-
 endchoice
 
 menu "Multiple platform selection"

arch/arm/Kconfig.debug

@@ -412,6 +412,13 @@ choice
 		  of the tiles using the RS1 memory map, including all new A-class
 		  core tiles, FPGA-based SMMs and software models.
 
+	config DEBUG_VT8500_UART0
+		bool "Use UART0 on VIA/Wondermedia SoCs"
+		depends on ARCH_VT8500
+		help
+		  This option selects UART0 on VIA/Wondermedia System-on-a-chip
+		  devices, including VT8500, WM8505, WM8650 and WM8850.
+
 	config DEBUG_LL_UART_NONE
 		bool "No low-level debugging UART"
 		depends on !ARCH_MULTIPLATFORM
@@ -506,6 +513,7 @@ config DEBUG_LL_INCLUDE
 	default "debug/sunxi.S" if DEBUG_SUNXI_UART0 || DEBUG_SUNXI_UART1
 	default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT || \
 		DEBUG_VEXPRESS_UART0_CA9 || DEBUG_VEXPRESS_UART0_RS1
+	default "debug/vt8500.S" if DEBUG_VT8500_UART0
 	default "debug/tegra.S" if DEBUG_TEGRA_UART
 	default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
 	default "mach/debug-macro.S"

arch/arm/include/debug/vt8500.S

@@ -1,20 +1,24 @@
-/*
+/* 
- * arch/arm/mach-vt8500/include/mach/debug-macro.S
+ * Debugging macro include header
  *
  *  Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
- *
+ *    Moved from arch/arm/mach-vt8500/include/mach/debug-macro.S
- * Debugging macro include header
+ *    Minor changes for readability.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
- *
+ */
-*/
 
+#define DEBUG_LL_PHYS_BASE		0xD8000000
+#define DEBUG_LL_VIRT_BASE		0xF8000000
+#define DEBUG_LL_UART_OFFSET		0x00200000
+
+#if defined(CONFIG_DEBUG_VT8500_UART0)
 	.macro	addruart, rp, rv, tmp
-	mov	\rp,      #0x00200000
+	mov	\rp,      #DEBUG_LL_UART_OFFSET
-	orr	\rv, \rp, #0xf8000000
+	orr	\rv, \rp, #DEBUG_LL_VIRT_BASE
-	orr	\rp, \rp, #0xd8000000
+	orr	\rp, \rp, #DEBUG_LL_PHYS_BASE
 	.endm
 
 	.macro	senduart,rd,rx
@@ -29,3 +33,5 @@
 
 	.macro	waituart,rd,rx
 	.endm
+
+#endif

arch/arm/mach-vt8500/Kconfig

@@ -1,12 +1,33 @@
 config ARCH_VT8500
-	bool "VIA/WonderMedia 85xx" if ARCH_MULTI_V5
+	bool
-	default ARCH_VT8500_SINGLE
 	select ARCH_HAS_CPUFREQ
 	select ARCH_REQUIRE_GPIOLIB
 	select CLKDEV_LOOKUP
-	select CPU_ARM926T
 	select GENERIC_CLOCKEVENTS
 	select GENERIC_GPIO
 	select HAVE_CLK
 	help
 	  Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
+
+config ARCH_WM8505
+	bool "VIA/Wondermedia 85xx and WM8650"
+ 	depends on ARCH_MULTI_V5
+ 	select ARCH_VT8500
+ 	select CPU_ARM926T
+ 	help
+
+config ARCH_WM8750
+	bool "WonderMedia WM8750"
+	depends on ARCH_MULTI_V6
+	select ARCH_VT8500
+	select CPU_V6
+	help
+	  Support for WonderMedia WM8750 System-on-Chip.
+
+config ARCH_WM8850
+	bool "WonderMedia WM8850"
+	depends on ARCH_MULTI_V7
+	select ARCH_VT8500
+	select CPU_V7
+	help
+	  Support for WonderMedia WM8850 System-on-Chip.

arch/arm/mach-vt8500/include/mach/timex.h

@@ -1,26 +0,0 @@
-/*
- *  arch/arm/mach-vt8500/include/mach/timex.h
- *
- *  Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#ifndef MACH_TIMEX_H
-#define MACH_TIMEX_H
-
-#define CLOCK_TICK_RATE		(3000000)
-
-#endif /* MACH_TIMEX_H */

arch/arm/mach-vt8500/include/mach/uncompress.h

@@ -1,37 +0,0 @@
-/* arch/arm/mach-vt8500/include/mach/uncompress.h
- *
- * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
- *
- * Based on arch/arm/mach-dove/include/mach/uncompress.h
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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.
- *
- */
-
-#define UART0_PHYS	0xd8200000
-#define UART0_ADDR(x)	*(volatile unsigned char *)(UART0_PHYS + x)
-
-static void putc(const char c)
-{
-	while (UART0_ADDR(0x1c) & 0x2)
-		/* Tx busy, wait and poll */;
-
-	UART0_ADDR(0) = c;
-}
-
-static void flush(void)
-{
-}
-
-/*
- * nothing to do
- */
-#define arch_decomp_setup()
-#define arch_decomp_wdog()

arch/arm/mach-vt8500/vt8500.c

@@ -183,6 +183,8 @@ static const char * const vt8500_dt_compat[] = {
 	"via,vt8500",
 	"wm,wm8650",
 	"wm,wm8505",
+	"wm,wm8750",
+	"wm,wm8850",
 };
 
 DT_MACHINE_START(WMT_DT, "VIA/Wondermedia SoC (Device Tree Support)")