[PATCH 2/3 RESEND] ARM: pxa: Add DT testing machine

[marek.vasut@gmail.com (Marek Vasut)]

I use the Voipac PXA270 board for PXA DT conversion. This board is a helper for
the conversion to go smoothly and the testing to be easy.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <robherring2@gmail.com>
---
 arch/arm/mach-pxa/Kconfig      |   15 +++++++
 arch/arm/mach-pxa/Makefile     |    3 +
 arch/arm/mach-pxa/vpac270-dt.c |   82 ++++++++++++++++++++++++++++++++++++++++
 arch/arm/mach-pxa/vpac270.c    |    2 +
 4 files changed, 102 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/mach-pxa/vpac270-dt.c

diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 61d3c72..a9bba3d 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -616,6 +616,21 @@ config MACH_ZIPIT2
 	bool "Zipit Z2 Handheld"
 	select PXA27x
 	select HAVE_PWM
+config MACH_VPAC_DT
+	bool "PXA (Voipac270) FDT Machine"
+	select PXA27x
+	select OF
+	depends on !MACH_VPAC270 && EXPERIMENTAL
+	help
+	  PXA Device Tree Machine.
+	  This is to be a generic machine which probes all of it's drivers
+	  using the Flattened Device Tree blob. This is work-in-progress
+	  so don't expect much yet. We selected the Voipac PXA270 device
+	  as a base device to test support along the way.
+
+	  NOTE: This platform is mutually exclusive with the original!
+	  NOTE: Use only if you know what you're doing!!
+
 endif
 endmenu
 
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index be0f7df..2b80829 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -104,3 +104,6 @@ led-$(CONFIG_ARCH_PXA_IDP)	+= leds-idp.o
 obj-$(CONFIG_LEDS)		+= $(led-y)
 
 obj-$(CONFIG_TOSA_BT)		+= tosa-bt.o
+
+# PXA FDT board
+obj-$(CONFIG_MACH_VPAC_DT)	+= vpac270-dt.o
diff --git a/arch/arm/mach-pxa/vpac270-dt.c b/arch/arm/mach-pxa/vpac270-dt.c
new file mode 100644
index 0000000..dc9a6dd
--- /dev/null
+++ b/arch/arm/mach-pxa/vpac270-dt.c
@@ -0,0 +1,82 @@
+/*
+ * Hardware definitions for Voipac PXA270 driven by FDT
+ *
+ * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * NOTE: This is an ongoing effort of preparing generic FDT-based board
+ *       for PXA machines. This particular device allows us to test the
+ *       support for breakage.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/of_platform.h>
+#include <linux/irqdomain.h>
+#include "vpac270.c"
+
+/******************************************************************************
+ * Machine init
+ ******************************************************************************/
+static const struct of_device_id pxairq_of_match[] __initconst = {
+	{ .compatible = "marvell,pxa-irq", },
+	{},
+};
+
+static void __init pxa_dt_init_irq(void)
+{
+	irq_domain_generate_simple(pxairq_of_match, 0x40d00000, 0);
+	pxa27x_init_irq();
+}
+
+static struct of_device_id pxa_dt_match_table[] __initdata = {
+	{ .compatible = "simple-bus", },
+	{}
+};
+
+static const struct of_dev_auxdata pxa_dt_auxdata_table[] __initconst = {
+	OF_DEV_AUXDATA("marvell,pxa2xx-uart", 0x40100000, "pxa2xx-uart.0", NULL),
+	OF_DEV_AUXDATA("marvell,pxa2xx-uart", 0x40200000, "pxa2xx-uart.1", NULL),
+	OF_DEV_AUXDATA("marvell,pxa2xx-uart", 0x40700000, "pxa2xx-uart.2", NULL),
+};
+
+static void __init vpac270_dt_init(void)
+{
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(vpac270_pin_config));
+
+	of_platform_populate(NULL, pxa_dt_match_table,
+				pxa_dt_auxdata_table, NULL);
+
+	pxa_set_i2c_info(NULL);
+	pxa27x_set_i2c_power_info(NULL);
+
+	vpac270_pmic_init();
+	vpac270_lcd_init();
+	vpac270_mmc_init();
+	vpac270_nor_init();
+	vpac270_onenand_init();
+	vpac270_leds_init();
+	vpac270_keys_init();
+	vpac270_uhc_init();
+	vpac270_udc_init();
+	vpac270_eth_init();
+	vpac270_ts_init();
+	vpac270_rtc_init();
+	vpac270_ide_init();
+}
+
+static const char *vpac270_dt_board_compat[] __initdata = {
+	"voipac,vpac270",
+	NULL
+};
+
+DT_MACHINE_START(PXA_DT, "Marvell PXA2xx/PXA3xx (Flattened Device Tree)")
+	.map_io		= pxa27x_map_io,
+	.init_irq	= pxa_dt_init_irq,
+	.handle_irq	= pxa27x_handle_irq,
+	.timer		= &pxa_timer,
+	.init_machine	= vpac270_dt_init,
+	.dt_compat	= vpac270_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c
index a7539a6..339ecdf 100644
--- a/arch/arm/mach-pxa/vpac270.c
+++ b/arch/arm/mach-pxa/vpac270.c
@@ -715,6 +715,7 @@ static void __init vpac270_init(void)
 	vpac270_ide_init();
 }
 
+#ifndef	CONFIG_MACH_VPAC_DT
 MACHINE_START(VPAC270, "Voipac PXA270")
 	.atag_offset	= 0x100,
 	.map_io		= pxa27x_map_io,
@@ -723,3 +724,4 @@ MACHINE_START(VPAC270, "Voipac PXA270")
 	.timer		= &pxa_timer,
 	.init_machine	= vpac270_init
 MACHINE_END
+#endif
-- 
1.7.7.1