[ARM] pxa: Colibri PXA320 module basics

This adds basic support for Colibri PXA320 modules.
The file colibri-320.c only contains settings specific to this module,
such as the Ethernet interface.

Cc: Matthias Meier <matthias.j.meier@gmx.net>
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.miao@marvell.com>

3 files changed, 134 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 142fd59..96a2006 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -270,6 +270,11 @@ config MACH_COLIBRI300
 	select PXA3xx
 	select CPU_PXA300
 
+config MACH_COLIBRI320
+	bool "Toradex Colibri PXA320"
+	select PXA3xx
+	select CPU_PXA320
+
 config MACH_ZYLONITE
 	bool "PXA3xx Development Platform (aka Zylonite)"
 	select PXA3xx
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 7725693..fc96e7d 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -37,6 +37,7 @@ obj-$(CONFIG_ARCH_PXA_IDP)	+= idp.o
 obj-$(CONFIG_MACH_TRIZEPS4)	+= trizeps4.o
 obj-$(CONFIG_MACH_COLIBRI)	+= colibri-pxa270.o
 obj-$(CONFIG_MACH_COLIBRI300)	+= colibri-pxa3xx.o colibri-pxa300.o
+obj-$(CONFIG_MACH_COLIBRI320)	+= colibri-pxa3xx.o colibri-pxa320.o
 obj-$(CONFIG_MACH_H5000)	+= h5000.o
 obj-$(CONFIG_PXA_SHARP_C7xx)	+= corgi.o sharpsl_pm.o corgi_pm.o
 obj-$(CONFIG_PXA_SHARP_Cxx00)	+= spitz.o sharpsl_pm.o spitz_pm.o
diff --git a/arch/arm/mach-pxa/colibri-pxa320.c b/arch/arm/mach-pxa/colibri-pxa320.c
new file mode 100644
index 0000000..86cb202
--- /dev/null
+++ b/arch/arm/mach-pxa/colibri-pxa320.c
@@ -0,0 +1,128 @@
+/*
+ *  arch/arm/mach-pxa/colibri-pxa320.c
+ *
+ *  Support for Toradex PXA320/310 based Colibri module
+ *
+ *  Daniel Mack <daniel@caiaq.de>
+ *  Matthias Meier <matthias.j.meier@gmx.net>
+ *
+ *  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/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <net/ax88796.h>
+
+#include <asm/mach-types.h>
+#include <asm/sizes.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/irq.h>
+
+#include <mach/pxa3xx-regs.h>
+#include <mach/mfp-pxa320.h>
+#include <mach/colibri.h>
+#include <mach/ohci.h>
+
+#include "generic.h"
+#include "devices.h"
+
+#if defined(CONFIG_AX88796)
+#define COLIBRI_ETH_IRQ_GPIO	mfp_to_gpio(GPIO36_GPIO)
+
+/*
+ * Asix AX88796 Ethernet
+ */
+static struct ax_plat_data colibri_asix_platdata = {
+	.flags		= AXFLG_MAC_FROMDEV,
+	.wordlength	= 2
+};
+
+static struct resource colibri_asix_resource[] = {
+	[0] = {
+		.start = PXA3xx_CS2_PHYS,
+		.end   = PXA3xx_CS2_PHYS + (0x20 * 2) - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
+		.end   = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
+		.flags = IORESOURCE_IRQ
+	}
+};
+
+static struct platform_device asix_device = {
+	.name		= "ax88796",
+	.id		= 0,
+	.num_resources 	= ARRAY_SIZE(colibri_asix_resource),
+	.resource	= colibri_asix_resource,
+	.dev		= {
+		.platform_data = &colibri_asix_platdata
+	}
+};
+
+static mfp_cfg_t colibri_pxa320_eth_pin_config[] __initdata = {
+	GPIO3_nCS2,			/* AX88796 chip select */
+	GPIO36_GPIO | MFP_PULL_HIGH	/* AX88796 IRQ */
+};
+
+static void __init colibri_pxa320_init_eth(void)
+{
+	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_eth_pin_config));
+	set_irq_type(gpio_to_irq(COLIBRI_ETH_IRQ_GPIO), IRQ_TYPE_EDGE_FALLING);
+	platform_device_register(&asix_device);
+}
+#else
+static inline void __init colibri_pxa320_init_eth(void) {}
+#endif /* CONFIG_AX88796 */
+
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+static mfp_cfg_t colibri_pxa320_usb_pin_config[] __initdata = {
+	GPIO2_2_USBH_PEN,
+	GPIO3_2_USBH_PWR,
+};
+
+static struct pxaohci_platform_data colibri_pxa320_ohci_info = {
+	.port_mode	= PMM_GLOBAL_MODE,
+	.flags		= ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
+};
+
+void __init colibri_pxa320_init_ohci(void)
+{
+	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_usb_pin_config));
+	pxa_set_ohci_info(&colibri_pxa320_ohci_info);
+}
+#else
+static inline void colibri_pxa320_init_ohci(void) {}
+#endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */
+
+static mfp_cfg_t colibri_pxa320_mmc_pin_config[] __initdata = {
+	GPIO22_MMC1_CLK,
+	GPIO23_MMC1_CMD,
+	GPIO18_MMC1_DAT0,
+	GPIO19_MMC1_DAT1,
+	GPIO20_MMC1_DAT2,
+	GPIO21_MMC1_DAT3
+};
+
+void __init colibri_pxa320_init(void)
+{
+	colibri_pxa320_init_eth();
+	colibri_pxa320_init_ohci();
+	colibri_pxa3xx_init_mmc(ARRAY_AND_SIZE(colibri_pxa320_mmc_pin_config),
+				mfp_to_gpio(MFP_PIN_GPIO28));
+}
+
+MACHINE_START(COLIBRI320, "Toradex Colibri PXA320")
+	.phys_io	= 0x40000000,
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.boot_params	= COLIBRI_SDRAM_BASE + 0x100,
+	.init_machine	= colibri_pxa320_init,
+	.map_io		= pxa_map_io,
+	.init_irq	= pxa3xx_init_irq,
+	.timer		= &pxa_timer,
+MACHINE_END
+