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authorDaniel Mack <daniel@caiaq.de>2009-03-13 16:37:09 +0100
committerEric Miao <eric.miao@marvell.com>2009-03-23 09:57:54 +0800
commit5fc9f9a1deefc9999af721fba249cd58ee7e273b (patch)
tree2c9a31bb6a74ba8580b0d9155149f180bbdf8648 /arch/arm/mach-pxa/colibri-pxa300.c
parent5c0dbb8fc2b36619684cbb7486491ecac950a595 (diff)
[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>
Diffstat (limited to 'arch/arm/mach-pxa/colibri-pxa300.c')
-rw-r--r--arch/arm/mach-pxa/colibri-pxa300.c99
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 00000000000..b271e028da3
--- /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
+