diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-cpuimx27.c')
-rw-r--r-- | arch/arm/mach-imx/mach-cpuimx27.c | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-cpuimx27.c b/arch/arm/mach-imx/mach-cpuimx27.c new file mode 100644 index 000000000000..575ff1ae85a7 --- /dev/null +++ b/arch/arm/mach-imx/mach-cpuimx27.c | |||
@@ -0,0 +1,317 @@ | |||
1 | /* | ||
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> | ||
29 | #include <linux/usb/otg.h> | ||
30 | #include <linux/usb/ulpi.h> | ||
31 | #include <linux/fsl_devices.h> | ||
32 | |||
33 | #include <asm/mach-types.h> | ||
34 | #include <asm/mach/arch.h> | ||
35 | #include <asm/mach/time.h> | ||
36 | #include <asm/mach/map.h> | ||
37 | |||
38 | #include <mach/eukrea-baseboards.h> | ||
39 | #include <mach/common.h> | ||
40 | #include <mach/hardware.h> | ||
41 | #include <mach/iomux-mx27.h> | ||
42 | #include <mach/mxc_nand.h> | ||
43 | #include <mach/mxc_ehci.h> | ||
44 | #include <mach/ulpi.h> | ||
45 | |||
46 | #include "devices-imx27.h" | ||
47 | #include "devices.h" | ||
48 | |||
49 | static int eukrea_cpuimx27_pins[] = { | ||
50 | /* UART1 */ | ||
51 | PE12_PF_UART1_TXD, | ||
52 | PE13_PF_UART1_RXD, | ||
53 | PE14_PF_UART1_CTS, | ||
54 | PE15_PF_UART1_RTS, | ||
55 | /* UART4 */ | ||
56 | #if defined(MACH_EUKREA_CPUIMX27_USEUART4) | ||
57 | PB26_AF_UART4_RTS, | ||
58 | PB28_AF_UART4_TXD, | ||
59 | PB29_AF_UART4_CTS, | ||
60 | PB31_AF_UART4_RXD, | ||
61 | #endif | ||
62 | /* FEC */ | ||
63 | PD0_AIN_FEC_TXD0, | ||
64 | PD1_AIN_FEC_TXD1, | ||
65 | PD2_AIN_FEC_TXD2, | ||
66 | PD3_AIN_FEC_TXD3, | ||
67 | PD4_AOUT_FEC_RX_ER, | ||
68 | PD5_AOUT_FEC_RXD1, | ||
69 | PD6_AOUT_FEC_RXD2, | ||
70 | PD7_AOUT_FEC_RXD3, | ||
71 | PD8_AF_FEC_MDIO, | ||
72 | PD9_AIN_FEC_MDC, | ||
73 | PD10_AOUT_FEC_CRS, | ||
74 | PD11_AOUT_FEC_TX_CLK, | ||
75 | PD12_AOUT_FEC_RXD0, | ||
76 | PD13_AOUT_FEC_RX_DV, | ||
77 | PD14_AOUT_FEC_RX_CLK, | ||
78 | PD15_AOUT_FEC_COL, | ||
79 | PD16_AIN_FEC_TX_ER, | ||
80 | PF23_AIN_FEC_TX_EN, | ||
81 | /* I2C1 */ | ||
82 | PD17_PF_I2C_DATA, | ||
83 | PD18_PF_I2C_CLK, | ||
84 | /* SDHC2 */ | ||
85 | #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2) | ||
86 | PB4_PF_SD2_D0, | ||
87 | PB5_PF_SD2_D1, | ||
88 | PB6_PF_SD2_D2, | ||
89 | PB7_PF_SD2_D3, | ||
90 | PB8_PF_SD2_CMD, | ||
91 | PB9_PF_SD2_CLK, | ||
92 | #endif | ||
93 | #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) | ||
94 | /* Quad UART's IRQ */ | ||
95 | GPIO_PORTB | 22 | GPIO_GPIO | GPIO_IN, | ||
96 | GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN, | ||
97 | GPIO_PORTB | 27 | GPIO_GPIO | GPIO_IN, | ||
98 | GPIO_PORTB | 30 | GPIO_GPIO | GPIO_IN, | ||
99 | #endif | ||
100 | /* OTG */ | ||
101 | PC7_PF_USBOTG_DATA5, | ||
102 | PC8_PF_USBOTG_DATA6, | ||
103 | PC9_PF_USBOTG_DATA0, | ||
104 | PC10_PF_USBOTG_DATA2, | ||
105 | PC11_PF_USBOTG_DATA1, | ||
106 | PC12_PF_USBOTG_DATA4, | ||
107 | PC13_PF_USBOTG_DATA3, | ||
108 | PE0_PF_USBOTG_NXT, | ||
109 | PE1_PF_USBOTG_STP, | ||
110 | PE2_PF_USBOTG_DIR, | ||
111 | PE24_PF_USBOTG_CLK, | ||
112 | PE25_PF_USBOTG_DATA7, | ||
113 | /* USBH2 */ | ||
114 | PA0_PF_USBH2_CLK, | ||
115 | PA1_PF_USBH2_DIR, | ||
116 | PA2_PF_USBH2_DATA7, | ||
117 | PA3_PF_USBH2_NXT, | ||
118 | PA4_PF_USBH2_STP, | ||
119 | PD19_AF_USBH2_DATA4, | ||
120 | PD20_AF_USBH2_DATA3, | ||
121 | PD21_AF_USBH2_DATA6, | ||
122 | PD22_AF_USBH2_DATA0, | ||
123 | PD23_AF_USBH2_DATA2, | ||
124 | PD24_AF_USBH2_DATA1, | ||
125 | PD26_AF_USBH2_DATA5, | ||
126 | }; | ||
127 | |||
128 | static struct physmap_flash_data eukrea_cpuimx27_flash_data = { | ||
129 | .width = 2, | ||
130 | }; | ||
131 | |||
132 | static struct resource eukrea_cpuimx27_flash_resource = { | ||
133 | .start = 0xc0000000, | ||
134 | .end = 0xc3ffffff, | ||
135 | .flags = IORESOURCE_MEM, | ||
136 | }; | ||
137 | |||
138 | static struct platform_device eukrea_cpuimx27_nor_mtd_device = { | ||
139 | .name = "physmap-flash", | ||
140 | .id = 0, | ||
141 | .dev = { | ||
142 | .platform_data = &eukrea_cpuimx27_flash_data, | ||
143 | }, | ||
144 | .num_resources = 1, | ||
145 | .resource = &eukrea_cpuimx27_flash_resource, | ||
146 | }; | ||
147 | |||
148 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
149 | .flags = IMXUART_HAVE_RTSCTS, | ||
150 | }; | ||
151 | |||
152 | static const struct mxc_nand_platform_data | ||
153 | cpuimx27_nand_board_info __initconst = { | ||
154 | .width = 1, | ||
155 | .hw_ecc = 1, | ||
156 | }; | ||
157 | |||
158 | static struct platform_device *platform_devices[] __initdata = { | ||
159 | &eukrea_cpuimx27_nor_mtd_device, | ||
160 | &mxc_fec_device, | ||
161 | &mxc_wdt, | ||
162 | &mxc_w1_master_device, | ||
163 | }; | ||
164 | |||
165 | static const struct imxi2c_platform_data cpuimx27_i2c1_data __initconst = { | ||
166 | .bitrate = 100000, | ||
167 | }; | ||
168 | |||
169 | static struct i2c_board_info eukrea_cpuimx27_i2c_devices[] = { | ||
170 | { | ||
171 | I2C_BOARD_INFO("pcf8563", 0x51), | ||
172 | }, | ||
173 | }; | ||
174 | |||
175 | #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) | ||
176 | static struct plat_serial8250_port serial_platform_data[] = { | ||
177 | { | ||
178 | .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x200000), | ||
179 | .irq = IRQ_GPIOB(23), | ||
180 | .uartclk = 14745600, | ||
181 | .regshift = 1, | ||
182 | .iotype = UPIO_MEM, | ||
183 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, | ||
184 | }, { | ||
185 | .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x400000), | ||
186 | .irq = IRQ_GPIOB(22), | ||
187 | .uartclk = 14745600, | ||
188 | .regshift = 1, | ||
189 | .iotype = UPIO_MEM, | ||
190 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, | ||
191 | }, { | ||
192 | .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x800000), | ||
193 | .irq = IRQ_GPIOB(27), | ||
194 | .uartclk = 14745600, | ||
195 | .regshift = 1, | ||
196 | .iotype = UPIO_MEM, | ||
197 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, | ||
198 | }, { | ||
199 | .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x1000000), | ||
200 | .irq = IRQ_GPIOB(30), | ||
201 | .uartclk = 14745600, | ||
202 | .regshift = 1, | ||
203 | .iotype = UPIO_MEM, | ||
204 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, | ||
205 | }, { | ||
206 | } | ||
207 | }; | ||
208 | |||
209 | static struct platform_device serial_device = { | ||
210 | .name = "serial8250", | ||
211 | .id = 0, | ||
212 | .dev = { | ||
213 | .platform_data = serial_platform_data, | ||
214 | }, | ||
215 | }; | ||
216 | #endif | ||
217 | |||
218 | #if defined(CONFIG_USB_ULPI) | ||
219 | static struct mxc_usbh_platform_data otg_pdata = { | ||
220 | .portsc = MXC_EHCI_MODE_ULPI, | ||
221 | .flags = MXC_EHCI_INTERFACE_DIFF_UNI, | ||
222 | }; | ||
223 | |||
224 | static struct mxc_usbh_platform_data usbh2_pdata = { | ||
225 | .portsc = MXC_EHCI_MODE_ULPI, | ||
226 | .flags = MXC_EHCI_INTERFACE_DIFF_UNI, | ||
227 | }; | ||
228 | #endif | ||
229 | |||
230 | static struct fsl_usb2_platform_data otg_device_pdata = { | ||
231 | .operating_mode = FSL_USB2_DR_DEVICE, | ||
232 | .phy_mode = FSL_USB2_PHY_ULPI, | ||
233 | }; | ||
234 | |||
235 | static int otg_mode_host; | ||
236 | |||
237 | static int __init eukrea_cpuimx27_otg_mode(char *options) | ||
238 | { | ||
239 | if (!strcmp(options, "host")) | ||
240 | otg_mode_host = 1; | ||
241 | else if (!strcmp(options, "device")) | ||
242 | otg_mode_host = 0; | ||
243 | else | ||
244 | pr_info("otg_mode neither \"host\" nor \"device\". " | ||
245 | "Defaulting to device\n"); | ||
246 | return 0; | ||
247 | } | ||
248 | __setup("otg_mode=", eukrea_cpuimx27_otg_mode); | ||
249 | |||
250 | static void __init eukrea_cpuimx27_init(void) | ||
251 | { | ||
252 | mxc_gpio_setup_multiple_pins(eukrea_cpuimx27_pins, | ||
253 | ARRAY_SIZE(eukrea_cpuimx27_pins), "CPUIMX27"); | ||
254 | |||
255 | imx27_add_imx_uart0(&uart_pdata); | ||
256 | |||
257 | imx27_add_mxc_nand(&cpuimx27_nand_board_info); | ||
258 | |||
259 | i2c_register_board_info(0, eukrea_cpuimx27_i2c_devices, | ||
260 | ARRAY_SIZE(eukrea_cpuimx27_i2c_devices)); | ||
261 | |||
262 | imx27_add_i2c_imx1(&cpuimx27_i2c1_data); | ||
263 | |||
264 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
265 | |||
266 | #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2) | ||
267 | /* SDHC2 can be used for Wifi */ | ||
268 | mxc_register_device(&mxc_sdhc_device1, NULL); | ||
269 | #endif | ||
270 | #if defined(MACH_EUKREA_CPUIMX27_USEUART4) | ||
271 | /* in which case UART4 is also used for Bluetooth */ | ||
272 | imx27_add_imx_uart3(&uart_pdata); | ||
273 | #endif | ||
274 | |||
275 | #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) | ||
276 | platform_device_register(&serial_device); | ||
277 | #endif | ||
278 | |||
279 | #if defined(CONFIG_USB_ULPI) | ||
280 | if (otg_mode_host) { | ||
281 | otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, | ||
282 | USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); | ||
283 | |||
284 | mxc_register_device(&mxc_otg_host, &otg_pdata); | ||
285 | } | ||
286 | |||
287 | usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, | ||
288 | USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); | ||
289 | |||
290 | mxc_register_device(&mxc_usbh2, &usbh2_pdata); | ||
291 | #endif | ||
292 | if (!otg_mode_host) | ||
293 | mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata); | ||
294 | |||
295 | #ifdef CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD | ||
296 | eukrea_mbimx27_baseboard_init(); | ||
297 | #endif | ||
298 | } | ||
299 | |||
300 | static void __init eukrea_cpuimx27_timer_init(void) | ||
301 | { | ||
302 | mx27_clocks_init(26000000); | ||
303 | } | ||
304 | |||
305 | static struct sys_timer eukrea_cpuimx27_timer = { | ||
306 | .init = eukrea_cpuimx27_timer_init, | ||
307 | }; | ||
308 | |||
309 | MACHINE_START(CPUIMX27, "EUKREA CPUIMX27") | ||
310 | .phys_io = MX27_AIPI_BASE_ADDR, | ||
311 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
312 | .boot_params = MX27_PHYS_OFFSET + 0x100, | ||
313 | .map_io = mx27_map_io, | ||
314 | .init_irq = mx27_init_irq, | ||
315 | .init_machine = eukrea_cpuimx27_init, | ||
316 | .timer = &eukrea_cpuimx27_timer, | ||
317 | MACHINE_END | ||