blob: a078aa52a6a6f9a77afe8cb13f88acf885e5f3c9 [file] [log] [blame]
Juergen Beisert80eedae2008-07-05 10:03:00 +02001/*
2 * Copyright (C) 2000 Deep Blue Solutions Ltd
3 * Copyright (C) 2002 Shane Nay (shane@minirl.com)
4 * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#include <linux/platform_device.h>
22#include <linux/mtd/mtd.h>
23#include <linux/mtd/map.h>
24#include <linux/mtd/partitions.h>
25#include <linux/mtd/physmap.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010026#include <mach/common.h>
27#include <mach/hardware.h>
Juergen Beisert80eedae2008-07-05 10:03:00 +020028#include <asm/mach-types.h>
29#include <asm/mach/arch.h>
30#include <asm/mach/time.h>
31#include <asm/mach/map.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010032#include <mach/gpio.h>
33#include <mach/imx-uart.h>
Holger Schurigccfe30a2009-01-29 10:07:50 +010034#include <mach/iomux.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010035#include <mach/board-mx27ads.h>
Juergen Beisert80eedae2008-07-05 10:03:00 +020036
Sascha Hauer7e905342008-09-09 10:19:41 +020037#include "devices.h"
38
Juergen Beisert80eedae2008-07-05 10:03:00 +020039/* ADS's NOR flash */
40static struct physmap_flash_data mx27ads_flash_data = {
41 .width = 2,
42};
43
44static struct resource mx27ads_flash_resource = {
45 .start = 0xc0000000,
46 .end = 0xc0000000 + 0x02000000 - 1,
47 .flags = IORESOURCE_MEM,
48
49};
50
51static struct platform_device mx27ads_nor_mtd_device = {
52 .name = "physmap-flash",
53 .id = 0,
54 .dev = {
55 .platform_data = &mx27ads_flash_data,
56 },
57 .num_resources = 1,
58 .resource = &mx27ads_flash_resource,
59};
60
61static int mxc_uart0_pins[] = {
62 PE12_PF_UART1_TXD,
63 PE13_PF_UART1_RXD,
64 PE14_PF_UART1_CTS,
65 PE15_PF_UART1_RTS
66};
67
68static int uart_mxc_port0_init(struct platform_device *pdev)
69{
70 return mxc_gpio_setup_multiple_pins(mxc_uart0_pins,
Sascha Hauer7bd18222008-11-04 16:48:46 +010071 ARRAY_SIZE(mxc_uart0_pins), "UART0");
Juergen Beisert80eedae2008-07-05 10:03:00 +020072}
73
74static int uart_mxc_port0_exit(struct platform_device *pdev)
75{
Sascha Hauer7bd18222008-11-04 16:48:46 +010076 mxc_gpio_release_multiple_pins(mxc_uart0_pins,
77 ARRAY_SIZE(mxc_uart0_pins));
78 return 0;
Juergen Beisert80eedae2008-07-05 10:03:00 +020079}
80
81static int mxc_uart1_pins[] = {
82 PE3_PF_UART2_CTS,
83 PE4_PF_UART2_RTS,
84 PE6_PF_UART2_TXD,
85 PE7_PF_UART2_RXD
86};
87
88static int uart_mxc_port1_init(struct platform_device *pdev)
89{
90 return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
Sascha Hauer7bd18222008-11-04 16:48:46 +010091 ARRAY_SIZE(mxc_uart1_pins), "UART1");
Juergen Beisert80eedae2008-07-05 10:03:00 +020092}
93
94static int uart_mxc_port1_exit(struct platform_device *pdev)
95{
Sascha Hauerb71edbe2008-12-18 11:12:39 +010096 mxc_gpio_release_multiple_pins(mxc_uart1_pins,
Sascha Hauer7bd18222008-11-04 16:48:46 +010097 ARRAY_SIZE(mxc_uart1_pins));
98 return 0;
Juergen Beisert80eedae2008-07-05 10:03:00 +020099}
100
101static int mxc_uart2_pins[] = {
102 PE8_PF_UART3_TXD,
103 PE9_PF_UART3_RXD,
104 PE10_PF_UART3_CTS,
105 PE11_PF_UART3_RTS
106};
107
108static int uart_mxc_port2_init(struct platform_device *pdev)
109{
110 return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
Sascha Hauer7bd18222008-11-04 16:48:46 +0100111 ARRAY_SIZE(mxc_uart2_pins), "UART2");
Juergen Beisert80eedae2008-07-05 10:03:00 +0200112}
113
114static int uart_mxc_port2_exit(struct platform_device *pdev)
115{
Sascha Hauer7bd18222008-11-04 16:48:46 +0100116 mxc_gpio_release_multiple_pins(mxc_uart2_pins,
117 ARRAY_SIZE(mxc_uart2_pins));
118 return 0;
Juergen Beisert80eedae2008-07-05 10:03:00 +0200119}
120
121static int mxc_uart3_pins[] = {
122 PB26_AF_UART4_RTS,
123 PB28_AF_UART4_TXD,
124 PB29_AF_UART4_CTS,
125 PB31_AF_UART4_RXD
126};
127
128static int uart_mxc_port3_init(struct platform_device *pdev)
129{
130 return mxc_gpio_setup_multiple_pins(mxc_uart3_pins,
Sascha Hauer7bd18222008-11-04 16:48:46 +0100131 ARRAY_SIZE(mxc_uart3_pins), "UART3");
Juergen Beisert80eedae2008-07-05 10:03:00 +0200132}
133
134static int uart_mxc_port3_exit(struct platform_device *pdev)
135{
Sascha Hauer7bd18222008-11-04 16:48:46 +0100136 mxc_gpio_release_multiple_pins(mxc_uart3_pins,
137 ARRAY_SIZE(mxc_uart3_pins));
Uwe Kleine-Könige600eb62009-01-21 21:25:03 +0100138 return 0;
Juergen Beisert80eedae2008-07-05 10:03:00 +0200139}
140
141static int mxc_uart4_pins[] = {
142 PB18_AF_UART5_TXD,
143 PB19_AF_UART5_RXD,
144 PB20_AF_UART5_CTS,
145 PB21_AF_UART5_RTS
146};
147
148static int uart_mxc_port4_init(struct platform_device *pdev)
149{
150 return mxc_gpio_setup_multiple_pins(mxc_uart4_pins,
Sascha Hauer7bd18222008-11-04 16:48:46 +0100151 ARRAY_SIZE(mxc_uart4_pins), "UART4");
Juergen Beisert80eedae2008-07-05 10:03:00 +0200152}
153
154static int uart_mxc_port4_exit(struct platform_device *pdev)
155{
Sascha Hauer7bd18222008-11-04 16:48:46 +0100156 mxc_gpio_release_multiple_pins(mxc_uart4_pins,
157 ARRAY_SIZE(mxc_uart4_pins));
158 return 0;
Juergen Beisert80eedae2008-07-05 10:03:00 +0200159}
160
161static int mxc_uart5_pins[] = {
162 PB10_AF_UART6_TXD,
163 PB12_AF_UART6_CTS,
164 PB11_AF_UART6_RXD,
165 PB13_AF_UART6_RTS
166};
167
168static int uart_mxc_port5_init(struct platform_device *pdev)
169{
170 return mxc_gpio_setup_multiple_pins(mxc_uart5_pins,
Sascha Hauer7bd18222008-11-04 16:48:46 +0100171 ARRAY_SIZE(mxc_uart5_pins), "UART5");
Juergen Beisert80eedae2008-07-05 10:03:00 +0200172}
173
174static int uart_mxc_port5_exit(struct platform_device *pdev)
175{
Sascha Hauer7bd18222008-11-04 16:48:46 +0100176 mxc_gpio_release_multiple_pins(mxc_uart5_pins,
177 ARRAY_SIZE(mxc_uart5_pins));
178 return 0;
Juergen Beisert80eedae2008-07-05 10:03:00 +0200179}
180
181static struct platform_device *platform_devices[] __initdata = {
182 &mx27ads_nor_mtd_device,
183};
184
185static int mxc_fec_pins[] = {
186 PD0_AIN_FEC_TXD0,
187 PD1_AIN_FEC_TXD1,
188 PD2_AIN_FEC_TXD2,
189 PD3_AIN_FEC_TXD3,
190 PD4_AOUT_FEC_RX_ER,
191 PD5_AOUT_FEC_RXD1,
192 PD6_AOUT_FEC_RXD2,
193 PD7_AOUT_FEC_RXD3,
194 PD8_AF_FEC_MDIO,
195 PD9_AIN_FEC_MDC,
196 PD10_AOUT_FEC_CRS,
197 PD11_AOUT_FEC_TX_CLK,
198 PD12_AOUT_FEC_RXD0,
199 PD13_AOUT_FEC_RX_DV,
Holger Schurigccfe30a2009-01-29 10:07:50 +0100200 PD14_AOUT_FEC_RX_CLK,
Juergen Beisert80eedae2008-07-05 10:03:00 +0200201 PD15_AOUT_FEC_COL,
202 PD16_AIN_FEC_TX_ER,
203 PF23_AIN_FEC_TX_EN
204};
205
206static void gpio_fec_active(void)
207{
208 mxc_gpio_setup_multiple_pins(mxc_fec_pins,
Sascha Hauer7bd18222008-11-04 16:48:46 +0100209 ARRAY_SIZE(mxc_fec_pins), "FEC");
Juergen Beisert80eedae2008-07-05 10:03:00 +0200210}
211
212static void gpio_fec_inactive(void)
213{
Sascha Hauer7bd18222008-11-04 16:48:46 +0100214 mxc_gpio_release_multiple_pins(mxc_fec_pins,
215 ARRAY_SIZE(mxc_fec_pins));
Juergen Beisert80eedae2008-07-05 10:03:00 +0200216}
217
218static struct imxuart_platform_data uart_pdata[] = {
219 {
220 .init = uart_mxc_port0_init,
221 .exit = uart_mxc_port0_exit,
222 .flags = IMXUART_HAVE_RTSCTS,
223 }, {
224 .init = uart_mxc_port1_init,
225 .exit = uart_mxc_port1_exit,
226 .flags = IMXUART_HAVE_RTSCTS,
227 }, {
228 .init = uart_mxc_port2_init,
229 .exit = uart_mxc_port2_exit,
230 .flags = IMXUART_HAVE_RTSCTS,
231 }, {
232 .init = uart_mxc_port3_init,
233 .exit = uart_mxc_port3_exit,
234 .flags = IMXUART_HAVE_RTSCTS,
235 }, {
236 .init = uart_mxc_port4_init,
237 .exit = uart_mxc_port4_exit,
238 .flags = IMXUART_HAVE_RTSCTS,
239 }, {
240 .init = uart_mxc_port5_init,
241 .exit = uart_mxc_port5_exit,
242 .flags = IMXUART_HAVE_RTSCTS,
243 },
244};
245
246static void __init mx27ads_board_init(void)
247{
Juergen Beisert80eedae2008-07-05 10:03:00 +0200248 gpio_fec_active();
249
Sascha Hauer7e905342008-09-09 10:19:41 +0200250 mxc_register_device(&mxc_uart_device0, &uart_pdata[0]);
251 mxc_register_device(&mxc_uart_device1, &uart_pdata[1]);
252 mxc_register_device(&mxc_uart_device2, &uart_pdata[2]);
253 mxc_register_device(&mxc_uart_device3, &uart_pdata[3]);
254 mxc_register_device(&mxc_uart_device4, &uart_pdata[4]);
255 mxc_register_device(&mxc_uart_device5, &uart_pdata[5]);
Juergen Beisert80eedae2008-07-05 10:03:00 +0200256
257 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
258}
259
260static void __init mx27ads_timer_init(void)
261{
262 unsigned long fref = 26000000;
263
264 if ((__raw_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0)
265 fref = 27000000;
266
Sascha Hauer30c730f2009-02-16 14:36:49 +0100267 mx27_clocks_init(fref);
Juergen Beisert80eedae2008-07-05 10:03:00 +0200268}
269
Holger Schurig058b7a62009-01-26 16:34:51 +0100270static struct sys_timer mx27ads_timer = {
Juergen Beisert80eedae2008-07-05 10:03:00 +0200271 .init = mx27ads_timer_init,
272};
273
274static struct map_desc mx27ads_io_desc[] __initdata = {
275 {
276 .virtual = PBC_BASE_ADDRESS,
277 .pfn = __phys_to_pfn(CS4_BASE_ADDR),
278 .length = SZ_1M,
279 .type = MT_DEVICE,
280 },
281};
282
Holger Schurig058b7a62009-01-26 16:34:51 +0100283static void __init mx27ads_map_io(void)
Juergen Beisert80eedae2008-07-05 10:03:00 +0200284{
285 mxc_map_io();
286 iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc));
287}
288
289MACHINE_START(MX27ADS, "Freescale i.MX27ADS")
290 /* maintainer: Freescale Semiconductor, Inc. */
291 .phys_io = AIPI_BASE_ADDR,
292 .io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
293 .boot_params = PHYS_OFFSET + 0x100,
294 .map_io = mx27ads_map_io,
295 .init_irq = mxc_init_irq,
296 .init_machine = mx27ads_board_init,
297 .timer = &mx27ads_timer,
298MACHINE_END
299