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Eric Benardaf5b1df2009-07-16 16:26:33 +02001/*
2 * Copyright (C) 2009 Eric Benard - eric@eukrea.com
3 *
4 * Based on pcm038.c which is :
5 * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
6 * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
20 * MA 02110-1301, USA.
21 */
22
23#include <linux/i2c.h>
24#include <linux/io.h>
25#include <linux/mtd/plat-ram.h>
26#include <linux/mtd/physmap.h>
27#include <linux/platform_device.h>
28#include <linux/serial_8250.h>
Eric Bénard9f2270d2010-05-19 18:46:02 +020029#include <linux/usb/otg.h>
30#include <linux/usb/ulpi.h>
Eric Benardaf5b1df2009-07-16 16:26:33 +020031
32#include <asm/mach-types.h>
33#include <asm/mach/arch.h>
34#include <asm/mach/time.h>
35#include <asm/mach/map.h>
36
Eric Bénard95afd092010-07-23 14:56:40 +020037#include <mach/eukrea-baseboards.h>
Eric Benardaf5b1df2009-07-16 16:26:33 +020038#include <mach/common.h>
39#include <mach/hardware.h>
Uwe Kleine-Könige835d882010-02-16 11:07:49 +010040#include <mach/iomux-mx27.h>
Eric Benardaf5b1df2009-07-16 16:26:33 +020041#include <mach/mxc_nand.h>
Eric Bénard9f2270d2010-05-19 18:46:02 +020042#include <mach/ulpi.h>
Eric Benardaf5b1df2009-07-16 16:26:33 +020043
Uwe Kleine-König0e7a29a2010-06-16 07:35:31 +020044#include "devices-imx27.h"
Eric Benardaf5b1df2009-07-16 16:26:33 +020045
Uwe Kleine-König6c80ee52010-09-28 21:53:31 +020046static const int eukrea_cpuimx27_pins[] __initconst = {
Eric Benardaf5b1df2009-07-16 16:26:33 +020047 /* UART1 */
48 PE12_PF_UART1_TXD,
49 PE13_PF_UART1_RXD,
50 PE14_PF_UART1_CTS,
51 PE15_PF_UART1_RTS,
52 /* UART4 */
Eric Bénard2d66c782010-05-19 18:45:59 +020053#if defined(MACH_EUKREA_CPUIMX27_USEUART4)
Eric Benardaf5b1df2009-07-16 16:26:33 +020054 PB26_AF_UART4_RTS,
55 PB28_AF_UART4_TXD,
56 PB29_AF_UART4_CTS,
57 PB31_AF_UART4_RXD,
Eric Bénard2d66c782010-05-19 18:45:59 +020058#endif
Eric Benardaf5b1df2009-07-16 16:26:33 +020059 /* FEC */
60 PD0_AIN_FEC_TXD0,
61 PD1_AIN_FEC_TXD1,
62 PD2_AIN_FEC_TXD2,
63 PD3_AIN_FEC_TXD3,
64 PD4_AOUT_FEC_RX_ER,
65 PD5_AOUT_FEC_RXD1,
66 PD6_AOUT_FEC_RXD2,
67 PD7_AOUT_FEC_RXD3,
68 PD8_AF_FEC_MDIO,
69 PD9_AIN_FEC_MDC,
70 PD10_AOUT_FEC_CRS,
71 PD11_AOUT_FEC_TX_CLK,
72 PD12_AOUT_FEC_RXD0,
73 PD13_AOUT_FEC_RX_DV,
74 PD14_AOUT_FEC_RX_CLK,
75 PD15_AOUT_FEC_COL,
76 PD16_AIN_FEC_TX_ER,
77 PF23_AIN_FEC_TX_EN,
78 /* I2C1 */
79 PD17_PF_I2C_DATA,
80 PD18_PF_I2C_CLK,
81 /* SDHC2 */
Eric Bénard2d66c782010-05-19 18:45:59 +020082#if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
Eric Benardaf5b1df2009-07-16 16:26:33 +020083 PB4_PF_SD2_D0,
84 PB5_PF_SD2_D1,
85 PB6_PF_SD2_D2,
86 PB7_PF_SD2_D3,
87 PB8_PF_SD2_CMD,
88 PB9_PF_SD2_CLK,
Eric Bénard2d66c782010-05-19 18:45:59 +020089#endif
Eric Benardaf5b1df2009-07-16 16:26:33 +020090#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
91 /* Quad UART's IRQ */
Eric Bénardebb4fc82010-05-19 18:46:00 +020092 GPIO_PORTB | 22 | GPIO_GPIO | GPIO_IN,
93 GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN,
94 GPIO_PORTB | 27 | GPIO_GPIO | GPIO_IN,
95 GPIO_PORTB | 30 | GPIO_GPIO | GPIO_IN,
Eric Benardaf5b1df2009-07-16 16:26:33 +020096#endif
Eric Bénard9f2270d2010-05-19 18:46:02 +020097 /* OTG */
98 PC7_PF_USBOTG_DATA5,
99 PC8_PF_USBOTG_DATA6,
100 PC9_PF_USBOTG_DATA0,
101 PC10_PF_USBOTG_DATA2,
102 PC11_PF_USBOTG_DATA1,
103 PC12_PF_USBOTG_DATA4,
104 PC13_PF_USBOTG_DATA3,
105 PE0_PF_USBOTG_NXT,
106 PE1_PF_USBOTG_STP,
107 PE2_PF_USBOTG_DIR,
108 PE24_PF_USBOTG_CLK,
109 PE25_PF_USBOTG_DATA7,
110 /* USBH2 */
111 PA0_PF_USBH2_CLK,
112 PA1_PF_USBH2_DIR,
113 PA2_PF_USBH2_DATA7,
114 PA3_PF_USBH2_NXT,
115 PA4_PF_USBH2_STP,
116 PD19_AF_USBH2_DATA4,
117 PD20_AF_USBH2_DATA3,
118 PD21_AF_USBH2_DATA6,
119 PD22_AF_USBH2_DATA0,
120 PD23_AF_USBH2_DATA2,
121 PD24_AF_USBH2_DATA1,
122 PD26_AF_USBH2_DATA5,
Eric Benardaf5b1df2009-07-16 16:26:33 +0200123};
124
125static struct physmap_flash_data eukrea_cpuimx27_flash_data = {
126 .width = 2,
127};
128
129static struct resource eukrea_cpuimx27_flash_resource = {
130 .start = 0xc0000000,
131 .end = 0xc3ffffff,
132 .flags = IORESOURCE_MEM,
133};
134
135static struct platform_device eukrea_cpuimx27_nor_mtd_device = {
136 .name = "physmap-flash",
137 .id = 0,
138 .dev = {
139 .platform_data = &eukrea_cpuimx27_flash_data,
140 },
141 .num_resources = 1,
142 .resource = &eukrea_cpuimx27_flash_resource,
143};
144
Uwe Kleine-Königd5dac4a2010-06-23 09:36:01 +0200145static const struct imxuart_platform_data uart_pdata __initconst = {
146 .flags = IMXUART_HAVE_RTSCTS,
Eric Benardaf5b1df2009-07-16 16:26:33 +0200147};
148
Uwe Kleine-König0e7a29a2010-06-16 07:35:31 +0200149static const struct mxc_nand_platform_data
150cpuimx27_nand_board_info __initconst = {
Eric Benardaf5b1df2009-07-16 16:26:33 +0200151 .width = 1,
152 .hw_ecc = 1,
153};
154
155static struct platform_device *platform_devices[] __initdata = {
156 &eukrea_cpuimx27_nor_mtd_device,
Eric Benardaf5b1df2009-07-16 16:26:33 +0200157};
158
Uwe Kleine-Königc6987152010-06-16 17:25:40 +0200159static const struct imxi2c_platform_data cpuimx27_i2c1_data __initconst = {
Eric Benardaf5b1df2009-07-16 16:26:33 +0200160 .bitrate = 100000,
161};
162
163static struct i2c_board_info eukrea_cpuimx27_i2c_devices[] = {
164 {
Sascha Hauercf87a6e2009-07-20 08:18:47 +0200165 I2C_BOARD_INFO("pcf8563", 0x51),
Eric Benardaf5b1df2009-07-16 16:26:33 +0200166 },
167};
168
169#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
170static struct plat_serial8250_port serial_platform_data[] = {
171 {
Uwe Kleine-König3f35d1f2009-12-09 11:32:11 +0100172 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x200000),
Eric Benardaf5b1df2009-07-16 16:26:33 +0200173 .irq = IRQ_GPIOB(23),
174 .uartclk = 14745600,
175 .regshift = 1,
176 .iotype = UPIO_MEM,
177 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
178 }, {
Uwe Kleine-König3f35d1f2009-12-09 11:32:11 +0100179 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x400000),
Eric Benardaf5b1df2009-07-16 16:26:33 +0200180 .irq = IRQ_GPIOB(22),
181 .uartclk = 14745600,
182 .regshift = 1,
183 .iotype = UPIO_MEM,
184 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
185 }, {
Uwe Kleine-König3f35d1f2009-12-09 11:32:11 +0100186 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x800000),
Eric Benardaf5b1df2009-07-16 16:26:33 +0200187 .irq = IRQ_GPIOB(27),
188 .uartclk = 14745600,
189 .regshift = 1,
190 .iotype = UPIO_MEM,
191 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
192 }, {
Uwe Kleine-König3f35d1f2009-12-09 11:32:11 +0100193 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x1000000),
Eric Benardaf5b1df2009-07-16 16:26:33 +0200194 .irq = IRQ_GPIOB(30),
195 .uartclk = 14745600,
196 .regshift = 1,
197 .iotype = UPIO_MEM,
198 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
199 }, {
200 }
201};
202
203static struct platform_device serial_device = {
204 .name = "serial8250",
205 .id = 0,
206 .dev = {
207 .platform_data = serial_platform_data,
208 },
209};
210#endif
211
Eric Bénardcbb052c2010-06-18 16:19:55 +0200212#if defined(CONFIG_USB_ULPI)
Uwe Kleine-König2eb42d52010-11-05 18:52:09 +0100213static struct mxc_usbh_platform_data otg_pdata __initdata = {
Eric Bénard9f2270d2010-05-19 18:46:02 +0200214 .portsc = MXC_EHCI_MODE_ULPI,
215 .flags = MXC_EHCI_INTERFACE_DIFF_UNI,
216};
217
Uwe Kleine-König2eb42d52010-11-05 18:52:09 +0100218static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
Eric Bénard9f2270d2010-05-19 18:46:02 +0200219 .portsc = MXC_EHCI_MODE_ULPI,
220 .flags = MXC_EHCI_INTERFACE_DIFF_UNI,
221};
Eric Bénardcbb052c2010-06-18 16:19:55 +0200222#endif
Eric Bénard9f2270d2010-05-19 18:46:02 +0200223
Uwe Kleine-Königbd455ed2010-11-09 17:52:14 +0100224static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
Eric Bénard9f2270d2010-05-19 18:46:02 +0200225 .operating_mode = FSL_USB2_DR_DEVICE,
226 .phy_mode = FSL_USB2_PHY_ULPI,
227};
228
229static int otg_mode_host;
230
231static int __init eukrea_cpuimx27_otg_mode(char *options)
232{
233 if (!strcmp(options, "host"))
234 otg_mode_host = 1;
235 else if (!strcmp(options, "device"))
236 otg_mode_host = 0;
237 else
238 pr_info("otg_mode neither \"host\" nor \"device\". "
239 "Defaulting to device\n");
240 return 0;
241}
242__setup("otg_mode=", eukrea_cpuimx27_otg_mode);
243
Eric Benardaf5b1df2009-07-16 16:26:33 +0200244static void __init eukrea_cpuimx27_init(void)
245{
246 mxc_gpio_setup_multiple_pins(eukrea_cpuimx27_pins,
247 ARRAY_SIZE(eukrea_cpuimx27_pins), "CPUIMX27");
248
Uwe Kleine-Königd5dac4a2010-06-23 09:36:01 +0200249 imx27_add_imx_uart0(&uart_pdata);
Eric Benardaf5b1df2009-07-16 16:26:33 +0200250
Uwe Kleine-König0e7a29a2010-06-16 07:35:31 +0200251 imx27_add_mxc_nand(&cpuimx27_nand_board_info);
Eric Benardaf5b1df2009-07-16 16:26:33 +0200252
253 i2c_register_board_info(0, eukrea_cpuimx27_i2c_devices,
254 ARRAY_SIZE(eukrea_cpuimx27_i2c_devices));
255
Russell Kingf779b7d2010-10-19 20:12:24 +0100256 imx27_add_imx_i2c(0, &cpuimx27_i2c1_data);
Eric Benardaf5b1df2009-07-16 16:26:33 +0200257
Uwe Kleine-König6bd96f32010-10-06 12:00:18 +0200258 imx27_add_fec(NULL);
Eric Benardaf5b1df2009-07-16 16:26:33 +0200259 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
Uwe Kleine-Könige0a19612010-11-04 10:09:10 +0100260 imx27_add_imx2_wdt(NULL);
Uwe Kleine-Königae71a562010-10-29 10:56:07 +0200261 imx27_add_mxc_w1(NULL);
Eric Benardaf5b1df2009-07-16 16:26:33 +0200262
263#if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
264 /* SDHC2 can be used for Wifi */
Uwe Kleine-König9d3d9452010-11-05 17:26:09 +0100265 imx27_add_mxc_mmc(1, NULL);
Eric Bénard2d66c782010-05-19 18:45:59 +0200266#endif
267#if defined(MACH_EUKREA_CPUIMX27_USEUART4)
Eric Benardaf5b1df2009-07-16 16:26:33 +0200268 /* in which case UART4 is also used for Bluetooth */
Uwe Kleine-Königd5dac4a2010-06-23 09:36:01 +0200269 imx27_add_imx_uart3(&uart_pdata);
Eric Benardaf5b1df2009-07-16 16:26:33 +0200270#endif
271
272#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
273 platform_device_register(&serial_device);
274#endif
275
Eric Bénard9f2270d2010-05-19 18:46:02 +0200276#if defined(CONFIG_USB_ULPI)
277 if (otg_mode_host) {
278 otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
Uwe Kleine-König70ddd472010-08-13 14:06:50 +0200279 ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);
Eric Bénard9f2270d2010-05-19 18:46:02 +0200280
Uwe Kleine-König2eb42d52010-11-05 18:52:09 +0100281 imx27_add_mxc_ehci_otg(&otg_pdata);
Eric Bénard9f2270d2010-05-19 18:46:02 +0200282 }
283
284 usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
Uwe Kleine-König70ddd472010-08-13 14:06:50 +0200285 ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);
Eric Bénard9f2270d2010-05-19 18:46:02 +0200286
Uwe Kleine-König2eb42d52010-11-05 18:52:09 +0100287 imx27_add_mxc_ehci_hs(2, &usbh2_pdata);
Eric Bénard9f2270d2010-05-19 18:46:02 +0200288#endif
289 if (!otg_mode_host)
Uwe Kleine-Königbd455ed2010-11-09 17:52:14 +0100290 imx27_add_fsl_usb2_udc(&otg_device_pdata);
Eric Bénard9f2270d2010-05-19 18:46:02 +0200291
Eric Benardaf5b1df2009-07-16 16:26:33 +0200292#ifdef CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD
293 eukrea_mbimx27_baseboard_init();
294#endif
295}
296
297static void __init eukrea_cpuimx27_timer_init(void)
298{
299 mx27_clocks_init(26000000);
300}
301
302static struct sys_timer eukrea_cpuimx27_timer = {
303 .init = eukrea_cpuimx27_timer_init,
304};
305
306MACHINE_START(CPUIMX27, "EUKREA CPUIMX27")
Uwe Kleine-König34101232010-01-29 17:36:05 +0100307 .boot_params = MX27_PHYS_OFFSET + 0x100,
Eric Benardaf5b1df2009-07-16 16:26:33 +0200308 .map_io = mx27_map_io,
309 .init_irq = mx27_init_irq,
310 .init_machine = eukrea_cpuimx27_init,
311 .timer = &eukrea_cpuimx27_timer,
312MACHINE_END