[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 142fd59a40b..96a2006cb59 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 772569383b3..fc96e7d454b 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 00000000000..86cb202847e
--- /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
+