2 * Copyright 2009 Sascha Hauer, <kernel@pengutronix.de>
3 * Copyright 2010 Eric Bénard - Eukréa Electromatique, <eric@eukrea.com>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
20 #include <linux/types.h>
21 #include <linux/init.h>
22 #include <linux/delay.h>
23 #include <linux/clk.h>
24 #include <linux/irq.h>
25 #include <linux/gpio.h>
26 #include <linux/platform_device.h>
27 #include <linux/usb/otg.h>
28 #include <linux/usb/ulpi.h>
30 #include <mach/hardware.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/time.h>
34 #include <asm/memory.h>
35 #include <asm/mach/map.h>
36 #include <mach/mx25.h>
39 #include "devices-imx25.h"
40 #include "eukrea-baseboards.h"
41 #include "iomux-mx25.h"
43 static const struct imxuart_platform_data uart_pdata __initconst
= {
44 .flags
= IMXUART_HAVE_RTSCTS
,
47 static iomux_v3_cfg_t eukrea_cpuimx25_pads
[] = {
49 MX25_PAD_FEC_MDC__FEC_MDC
,
50 MX25_PAD_FEC_MDIO__FEC_MDIO
,
51 MX25_PAD_FEC_TDATA0__FEC_TDATA0
,
52 MX25_PAD_FEC_TDATA1__FEC_TDATA1
,
53 MX25_PAD_FEC_TX_EN__FEC_TX_EN
,
54 MX25_PAD_FEC_RDATA0__FEC_RDATA0
,
55 MX25_PAD_FEC_RDATA1__FEC_RDATA1
,
56 MX25_PAD_FEC_RX_DV__FEC_RX_DV
,
57 MX25_PAD_FEC_TX_CLK__FEC_TX_CLK
,
59 MX25_PAD_I2C1_CLK__I2C1_CLK
,
60 MX25_PAD_I2C1_DAT__I2C1_DAT
,
63 static const struct fec_platform_data mx25_fec_pdata __initconst
= {
64 .phy
= PHY_INTERFACE_MODE_RMII
,
67 static const struct mxc_nand_platform_data
68 eukrea_cpuimx25_nand_board_info __initconst
= {
74 static const struct imxi2c_platform_data
75 eukrea_cpuimx25_i2c0_data __initconst
= {
79 static struct i2c_board_info eukrea_cpuimx25_i2c_devices
[] = {
81 I2C_BOARD_INFO("pcf8563", 0x51),
85 static int eukrea_cpuimx25_otg_init(struct platform_device
*pdev
)
87 return mx25_initialize_usb_hw(pdev
->id
, MXC_EHCI_INTERFACE_DIFF_UNI
);
90 static const struct mxc_usbh_platform_data otg_pdata __initconst
= {
91 .init
= eukrea_cpuimx25_otg_init
,
92 .portsc
= MXC_EHCI_MODE_UTMI
,
95 static int eukrea_cpuimx25_usbh2_init(struct platform_device
*pdev
)
97 return mx25_initialize_usb_hw(pdev
->id
, MXC_EHCI_INTERFACE_SINGLE_UNI
|
98 MXC_EHCI_INTERNAL_PHY
| MXC_EHCI_IPPUE_DOWN
);
101 static const struct mxc_usbh_platform_data usbh2_pdata __initconst
= {
102 .init
= eukrea_cpuimx25_usbh2_init
,
103 .portsc
= MXC_EHCI_MODE_SERIAL
,
106 static const struct fsl_usb2_platform_data otg_device_pdata __initconst
= {
107 .operating_mode
= FSL_USB2_DR_DEVICE
,
108 .phy_mode
= FSL_USB2_PHY_UTMI
,
109 .workaround
= FLS_USB2_WORKAROUND_ENGCM09152
,
112 static bool otg_mode_host __initdata
;
114 static int __init
eukrea_cpuimx25_otg_mode(char *options
)
116 if (!strcmp(options
, "host"))
117 otg_mode_host
= true;
118 else if (!strcmp(options
, "device"))
119 otg_mode_host
= false;
121 pr_info("otg_mode neither \"host\" nor \"device\". "
122 "Defaulting to device\n");
125 __setup("otg_mode=", eukrea_cpuimx25_otg_mode
);
127 static void __init
eukrea_cpuimx25_init(void)
131 if (mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx25_pads
,
132 ARRAY_SIZE(eukrea_cpuimx25_pads
)))
133 printk(KERN_ERR
"error setting cpuimx25 pads !\n");
135 imx25_add_imx_uart0(&uart_pdata
);
136 imx25_add_mxc_nand(&eukrea_cpuimx25_nand_board_info
);
137 imx25_add_imxdi_rtc();
138 imx25_add_fec(&mx25_fec_pdata
);
139 imx25_add_imx2_wdt();
141 i2c_register_board_info(0, eukrea_cpuimx25_i2c_devices
,
142 ARRAY_SIZE(eukrea_cpuimx25_i2c_devices
));
143 imx25_add_imx_i2c0(&eukrea_cpuimx25_i2c0_data
);
146 imx25_add_mxc_ehci_otg(&otg_pdata
);
148 imx25_add_fsl_usb2_udc(&otg_device_pdata
);
150 imx25_add_mxc_ehci_hs(&usbh2_pdata
);
152 #ifdef CONFIG_MACH_EUKREA_MBIMXSD25_BASEBOARD
153 eukrea_mbimxsd25_baseboard_init();
157 static void __init
eukrea_cpuimx25_timer_init(void)
162 static struct sys_timer eukrea_cpuimx25_timer
= {
163 .init
= eukrea_cpuimx25_timer_init
,
166 MACHINE_START(EUKREA_CPUIMX25SD
, "Eukrea CPUIMX25")
167 /* Maintainer: Eukrea Electromatique */
168 .atag_offset
= 0x100,
169 .map_io
= mx25_map_io
,
170 .init_early
= imx25_init_early
,
171 .init_irq
= mx25_init_irq
,
172 .handle_irq
= imx25_handle_irq
,
173 .timer
= &eukrea_cpuimx25_timer
,
174 .init_machine
= eukrea_cpuimx25_init
,
175 .restart
= mxc_restart
,