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author | Daniel Mack <daniel@caiaq.de> | 2009-03-13 16:37:09 +0100 |
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committer | Eric Miao <eric.miao@marvell.com> | 2009-03-23 09:57:54 +0800 |
commit | 5fc9f9a1deefc9999af721fba249cd58ee7e273b (patch) | |
tree | 2c9a31bb6a74ba8580b0d9155149f180bbdf8648 /arch/arm/mach-pxa/colibri-pxa300.c | |
parent | 5c0dbb8fc2b36619684cbb7486491ecac950a595 (diff) | |
download | kernel_samsung_espresso10-5fc9f9a1deefc9999af721fba249cd58ee7e273b.zip kernel_samsung_espresso10-5fc9f9a1deefc9999af721fba249cd58ee7e273b.tar.gz kernel_samsung_espresso10-5fc9f9a1deefc9999af721fba249cd58ee7e273b.tar.bz2 |
[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.c | 99 |
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 0000000..b271e02 --- /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 + |