diff options
Diffstat (limited to 'arch/arm/mach-mx25/mach-cpuimx25.c')
| -rw-r--r-- | arch/arm/mach-mx25/mach-cpuimx25.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/arch/arm/mach-mx25/mach-cpuimx25.c b/arch/arm/mach-mx25/mach-cpuimx25.c new file mode 100644 index 000000000000..56b2e26d23b4 --- /dev/null +++ b/arch/arm/mach-mx25/mach-cpuimx25.c @@ -0,0 +1,173 @@ +/* + * Copyright 2009 Sascha Hauer, <kernel@pengutronix.de> + * Copyright 2010 Eric Bénard - Eukréa Electromatique, <eric@eukrea.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#include <linux/types.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/clk.h> +#include <linux/irq.h> +#include <linux/gpio.h> +#include <linux/fec.h> +#include <linux/platform_device.h> +#include <linux/usb/otg.h> +#include <linux/usb/ulpi.h> +#include <linux/fsl_devices.h> + +#include <mach/eukrea-baseboards.h> +#include <mach/hardware.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <asm/memory.h> +#include <asm/mach/map.h> +#include <mach/common.h> +#include <mach/mx25.h> +#include <mach/mxc_nand.h> +#include <mach/imxfb.h> +#include <mach/mxc_ehci.h> +#include <mach/ulpi.h> +#include <mach/iomux-mx25.h> + +#include "devices-imx25.h" +#include "devices.h" + +static const struct imxuart_platform_data uart_pdata __initconst = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static struct pad_desc eukrea_cpuimx25_pads[] = { + /* FEC - RMII */ + MX25_PAD_FEC_MDC__FEC_MDC, + MX25_PAD_FEC_MDIO__FEC_MDIO, + MX25_PAD_FEC_TDATA0__FEC_TDATA0, + MX25_PAD_FEC_TDATA1__FEC_TDATA1, + MX25_PAD_FEC_TX_EN__FEC_TX_EN, + MX25_PAD_FEC_RDATA0__FEC_RDATA0, + MX25_PAD_FEC_RDATA1__FEC_RDATA1, + MX25_PAD_FEC_RX_DV__FEC_RX_DV, + MX25_PAD_FEC_TX_CLK__FEC_TX_CLK, + /* I2C1 */ + MX25_PAD_I2C1_CLK__I2C1_CLK, + MX25_PAD_I2C1_DAT__I2C1_DAT, +}; + +static struct fec_platform_data mx25_fec_pdata = { + .phy = PHY_INTERFACE_MODE_RMII, +}; + +static const struct mxc_nand_platform_data +eukrea_cpuimx25_nand_board_info __initconst = { + .width = 1, + .hw_ecc = 1, + .flash_bbt = 1, +}; + +static const struct imxi2c_platform_data +eukrea_cpuimx25_i2c0_data __initconst = { + .bitrate = 100000, +}; + +static struct i2c_board_info eukrea_cpuimx25_i2c_devices[] = { + { + I2C_BOARD_INFO("pcf8563", 0x51), + }, +}; + +static struct mxc_usbh_platform_data otg_pdata = { + .portsc = MXC_EHCI_MODE_UTMI, + .flags = MXC_EHCI_INTERFACE_DIFF_UNI, +}; + +static struct mxc_usbh_platform_data usbh2_pdata = { + .portsc = MXC_EHCI_MODE_SERIAL, + .flags = MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY | + MXC_EHCI_IPPUE_DOWN, +}; + +static struct fsl_usb2_platform_data otg_device_pdata = { + .operating_mode = FSL_USB2_DR_DEVICE, + .phy_mode = FSL_USB2_PHY_UTMI, +}; + +static int otg_mode_host; + +static int __init eukrea_cpuimx25_otg_mode(char *options) +{ + if (!strcmp(options, "host")) + otg_mode_host = 1; + else if (!strcmp(options, "device")) + otg_mode_host = 0; + else + pr_info("otg_mode neither \"host\" nor \"device\". " + "Defaulting to device\n"); + return 0; +} +__setup("otg_mode=", eukrea_cpuimx25_otg_mode); + +static void __init eukrea_cpuimx25_init(void) +{ + if (mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx25_pads, + ARRAY_SIZE(eukrea_cpuimx25_pads))) + printk(KERN_ERR "error setting cpuimx25 pads !\n"); + + imx25_add_imx_uart0(&uart_pdata); + imx25_add_mxc_nand(&eukrea_cpuimx25_nand_board_info); + mxc_register_device(&mx25_rtc_device, NULL); + mxc_register_device(&mx25_fec_device, &mx25_fec_pdata); + + i2c_register_board_info(0, eukrea_cpuimx25_i2c_devices, + ARRAY_SIZE(eukrea_cpuimx25_i2c_devices)); + imx25_add_imx_i2c0(&eukrea_cpuimx25_i2c0_data); + +#if defined(CONFIG_USB_ULPI) + if (otg_mode_host) { + otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + + mxc_register_device(&mxc_otg, &otg_pdata); + } + mxc_register_device(&mxc_usbh2, &usbh2_pdata); +#endif + if (!otg_mode_host) + mxc_register_device(&otg_udc_device, &otg_device_pdata); + +#ifdef CONFIG_MACH_EUKREA_MBIMXSD_BASEBOARD + eukrea_mbimxsd_baseboard_init(); +#endif +} + +static void __init eukrea_cpuimx25_timer_init(void) +{ + mx25_clocks_init(); +} + +static struct sys_timer eukrea_cpuimx25_timer = { + .init = eukrea_cpuimx25_timer_init, +}; + +MACHINE_START(EUKREA_CPUIMX25, "Eukrea CPUIMX25") + /* Maintainer: Eukrea Electromatique */ + .phys_io = MX25_AIPS1_BASE_ADDR, + .io_pg_offst = ((MX25_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, + .boot_params = MX25_PHYS_OFFSET + 0x100, + .map_io = mx25_map_io, + .init_irq = mx25_init_irq, + .init_machine = eukrea_cpuimx25_init, + .timer = &eukrea_cpuimx25_timer, +MACHINE_END |