[ARM] pxa: add basic support for Colibri PXA300 module

This patch add basic support for Toradex' Colibri PXA300 module.
Ethernet is enabled conditionally, depdending on CONFIG_AX88796.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.miao@marvell.com>

1 files changed, 99 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/colibri-pxa300.c b/arch/arm/mach-pxa/colibri-pxa300.c
new file mode 100644
index 000000000000..b271e028da35
--- /dev/null
+++ b/arch/arm/mach-pxa/colibri-pxa300.c
@@ -0,0 +1,99 @@
+/*
+ *  arch/arm/mach-pxa/colibri-pxa300.c
+ *
+ *  Support for Toradex PXA300 based Colibri module
+ *  Daniel Mack <daniel@caiaq.de>
+ *
+ *  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/mach/arch.h>
+#include <asm/mach/irq.h>
+
+#include <mach/pxa300.h>
+#include <mach/colibri.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/*
+ * GPIO configuration
+ */
+static mfp_cfg_t colibri_pxa300_pin_config[] __initdata = {
+        GPIO1_nCS2,                     /* AX88796 chip select */
+        GPIO26_GPIO | MFP_PULL_HIGH,    /* AX88796 IRQ */
+};
+
+#if defined(CONFIG_AX88796)
+/*
+ * Asix AX88796 Ethernet
+ */
+static struct ax_plat_data colibri_asix_platdata = {
+        .flags          = AXFLG_MAC_FROMDEV,
+        .wordlength     = 2,
+        .dcr_val        = 0x01,
+        .rcr_val        = 0x0e,
+        .gpoc_val       = 0x19
+};
+
+static struct resource colibri_asix_resource[] = {
+        [0] = {
+                .start = PXA3xx_CS2_PHYS,
+                .end   = PXA3xx_CS2_PHYS + (0x18 * 0x2) - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start = PXA3xx_CS2_PHYS + (1 << 11),
+                .end   = PXA3xx_CS2_PHYS + (1 << 11) + 0x3fff,
+                .flags = IORESOURCE_MEM,
+        },
+        [2] = {
+                .start = COLIBRI_PXA300_ETH_IRQ,
+                .end   = COLIBRI_PXA300_ETH_IRQ,
+                .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
+        }
+};
+#endif /* CONFIG_AX88796 */
+
+static struct platform_device *colibri_pxa300_devices[] __initdata = {
+#if defined(CONFIG_AX88796)
+        &asix_device
+#endif
+};
+
+static void __init colibri_pxa300_init(void)
+{
+        set_irq_type(COLIBRI_PXA300_ETH_IRQ, IRQ_TYPE_EDGE_FALLING);
+        pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_pin_config));
+        platform_add_devices(ARRAY_AND_SIZE(colibri_pxa300_devices));
+}
+
+MACHINE_START(COLIBRI300, "Toradex Colibri PXA300")
+        .phys_io        = 0x40000000,
+        .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
+        .boot_params    = COLIBRI_SDRAM_BASE + 0x100,
+        .init_machine   = colibri_pxa300_init,
+        .map_io         = pxa_map_io,
+        .init_irq       = pxa3xx_init_irq,
+        .timer          = &pxa_timer,
+MACHINE_END
+