diff options
author | Daniel Mack <daniel@caiaq.de> | 2009-03-23 01:04:18 (GMT) |
---|---|---|
committer | Eric Miao <eric.miao@marvell.com> | 2009-03-23 01:59:30 (GMT) |
commit | bac07ecd6c9b16656aced6dc4f9f070120153046 (patch) | |
tree | bf6fc36d562adef347acc8a6b48c7f39eefbc6c5 /arch/arm/mach-pxa/colibri-pxa320.c | |
parent | acb3655973de30cb74549986e5e118a374967702 (diff) | |
download | linux-bac07ecd6c9b16656aced6dc4f9f070120153046.tar.xz |
[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>
Diffstat (limited to 'arch/arm/mach-pxa/colibri-pxa320.c')
-rw-r--r-- | arch/arm/mach-pxa/colibri-pxa320.c | 128 |
1 files changed, 128 insertions, 0 deletions
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 + |