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-rw-r--r--arch/arm/mach-mx2/mx27ads.c304
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diff --git a/arch/arm/mach-mx2/mx27ads.c b/arch/arm/mach-mx2/mx27ads.c
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index 000000000000..a9ff01fff137
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1/*
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>
26#include <asm/arch/common.h>
27#include <asm/hardware.h>
28#include <asm/mach-types.h>
29#include <asm/mach/arch.h>
30#include <asm/mach/time.h>
31#include <asm/mach/map.h>
32#include <asm/arch/gpio.h>
33#include <asm/arch/imx-uart.h>
34#include <asm/arch/iomux-mx1-mx2.h>
35#include <asm/arch/board-mx27ads.h>
36
37/* ADS's NOR flash */
38static struct physmap_flash_data mx27ads_flash_data = {
39 .width = 2,
40};
41
42static struct resource mx27ads_flash_resource = {
43 .start = 0xc0000000,
44 .end = 0xc0000000 + 0x02000000 - 1,
45 .flags = IORESOURCE_MEM,
46
47};
48
49static struct platform_device mx27ads_nor_mtd_device = {
50 .name = "physmap-flash",
51 .id = 0,
52 .dev = {
53 .platform_data = &mx27ads_flash_data,
54 },
55 .num_resources = 1,
56 .resource = &mx27ads_flash_resource,
57};
58
59static int mxc_uart0_pins[] = {
60 PE12_PF_UART1_TXD,
61 PE13_PF_UART1_RXD,
62 PE14_PF_UART1_CTS,
63 PE15_PF_UART1_RTS
64};
65
66static int uart_mxc_port0_init(struct platform_device *pdev)
67{
68 return mxc_gpio_setup_multiple_pins(mxc_uart0_pins,
69 ARRAY_SIZE(mxc_uart0_pins),
70 MXC_GPIO_ALLOC_MODE_NORMAL, "UART0");
71}
72
73static int uart_mxc_port0_exit(struct platform_device *pdev)
74{
75 return mxc_gpio_setup_multiple_pins(mxc_uart0_pins,
76 ARRAY_SIZE(mxc_uart0_pins),
77 MXC_GPIO_ALLOC_MODE_RELEASE, "UART0");
78}
79
80static int mxc_uart1_pins[] = {
81 PE3_PF_UART2_CTS,
82 PE4_PF_UART2_RTS,
83 PE6_PF_UART2_TXD,
84 PE7_PF_UART2_RXD
85};
86
87static int uart_mxc_port1_init(struct platform_device *pdev)
88{
89 return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
90 ARRAY_SIZE(mxc_uart1_pins),
91 MXC_GPIO_ALLOC_MODE_NORMAL, "UART1");
92}
93
94static int uart_mxc_port1_exit(struct platform_device *pdev)
95{
96 return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
97 ARRAY_SIZE(mxc_uart1_pins),
98 MXC_GPIO_ALLOC_MODE_RELEASE, "UART1");
99}
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,
111 ARRAY_SIZE(mxc_uart2_pins),
112 MXC_GPIO_ALLOC_MODE_NORMAL, "UART2");
113}
114
115static int uart_mxc_port2_exit(struct platform_device *pdev)
116{
117 return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
118 ARRAY_SIZE(mxc_uart2_pins),
119 MXC_GPIO_ALLOC_MODE_RELEASE, "UART2");
120}
121
122static int mxc_uart3_pins[] = {
123 PB26_AF_UART4_RTS,
124 PB28_AF_UART4_TXD,
125 PB29_AF_UART4_CTS,
126 PB31_AF_UART4_RXD
127};
128
129static int uart_mxc_port3_init(struct platform_device *pdev)
130{
131 return mxc_gpio_setup_multiple_pins(mxc_uart3_pins,
132 ARRAY_SIZE(mxc_uart3_pins),
133 MXC_GPIO_ALLOC_MODE_NORMAL, "UART3");
134}
135
136static int uart_mxc_port3_exit(struct platform_device *pdev)
137{
138 return mxc_gpio_setup_multiple_pins(mxc_uart3_pins,
139 ARRAY_SIZE(mxc_uart3_pins),
140 MXC_GPIO_ALLOC_MODE_RELEASE, "UART3");
141}
142
143static int mxc_uart4_pins[] = {
144 PB18_AF_UART5_TXD,
145 PB19_AF_UART5_RXD,
146 PB20_AF_UART5_CTS,
147 PB21_AF_UART5_RTS
148};
149
150static int uart_mxc_port4_init(struct platform_device *pdev)
151{
152 return mxc_gpio_setup_multiple_pins(mxc_uart4_pins,
153 ARRAY_SIZE(mxc_uart4_pins),
154 MXC_GPIO_ALLOC_MODE_NORMAL, "UART4");
155}
156
157static int uart_mxc_port4_exit(struct platform_device *pdev)
158{
159 return mxc_gpio_setup_multiple_pins(mxc_uart4_pins,
160 ARRAY_SIZE(mxc_uart4_pins),
161 MXC_GPIO_ALLOC_MODE_RELEASE, "UART4");
162}
163
164static int mxc_uart5_pins[] = {
165 PB10_AF_UART6_TXD,
166 PB12_AF_UART6_CTS,
167 PB11_AF_UART6_RXD,
168 PB13_AF_UART6_RTS
169};
170
171static int uart_mxc_port5_init(struct platform_device *pdev)
172{
173 return mxc_gpio_setup_multiple_pins(mxc_uart5_pins,
174 ARRAY_SIZE(mxc_uart5_pins),
175 MXC_GPIO_ALLOC_MODE_NORMAL, "UART5");
176}
177
178static int uart_mxc_port5_exit(struct platform_device *pdev)
179{
180 return mxc_gpio_setup_multiple_pins(mxc_uart5_pins,
181 ARRAY_SIZE(mxc_uart5_pins),
182 MXC_GPIO_ALLOC_MODE_RELEASE, "UART5");
183}
184
185static struct platform_device *platform_devices[] __initdata = {
186 &mx27ads_nor_mtd_device,
187};
188
189static int mxc_fec_pins[] = {
190 PD0_AIN_FEC_TXD0,
191 PD1_AIN_FEC_TXD1,
192 PD2_AIN_FEC_TXD2,
193 PD3_AIN_FEC_TXD3,
194 PD4_AOUT_FEC_RX_ER,
195 PD5_AOUT_FEC_RXD1,
196 PD6_AOUT_FEC_RXD2,
197 PD7_AOUT_FEC_RXD3,
198 PD8_AF_FEC_MDIO,
199 PD9_AIN_FEC_MDC,
200 PD10_AOUT_FEC_CRS,
201 PD11_AOUT_FEC_TX_CLK,
202 PD12_AOUT_FEC_RXD0,
203 PD13_AOUT_FEC_RX_DV,
204 PD14_AOUT_FEC_CLR,
205 PD15_AOUT_FEC_COL,
206 PD16_AIN_FEC_TX_ER,
207 PF23_AIN_FEC_TX_EN
208};
209
210static void gpio_fec_active(void)
211{
212 mxc_gpio_setup_multiple_pins(mxc_fec_pins,
213 ARRAY_SIZE(mxc_fec_pins),
214 MXC_GPIO_ALLOC_MODE_NORMAL, "FEC");
215}
216
217static void gpio_fec_inactive(void)
218{
219 mxc_gpio_setup_multiple_pins(mxc_fec_pins,
220 ARRAY_SIZE(mxc_fec_pins),
221 MXC_GPIO_ALLOC_MODE_RELEASE, "FEC");
222}
223
224static struct imxuart_platform_data uart_pdata[] = {
225 {
226 .init = uart_mxc_port0_init,
227 .exit = uart_mxc_port0_exit,
228 .flags = IMXUART_HAVE_RTSCTS,
229 }, {
230 .init = uart_mxc_port1_init,
231 .exit = uart_mxc_port1_exit,
232 .flags = IMXUART_HAVE_RTSCTS,
233 }, {
234 .init = uart_mxc_port2_init,
235 .exit = uart_mxc_port2_exit,
236 .flags = IMXUART_HAVE_RTSCTS,
237 }, {
238 .init = uart_mxc_port3_init,
239 .exit = uart_mxc_port3_exit,
240 .flags = IMXUART_HAVE_RTSCTS,
241 }, {
242 .init = uart_mxc_port4_init,
243 .exit = uart_mxc_port4_exit,
244 .flags = IMXUART_HAVE_RTSCTS,
245 }, {
246 .init = uart_mxc_port5_init,
247 .exit = uart_mxc_port5_exit,
248 .flags = IMXUART_HAVE_RTSCTS,
249 },
250};
251
252static void __init mx27ads_board_init(void)
253{
254 int i;
255
256 gpio_fec_active();
257
258 for (i = 0; i < 6; i++)
259 imx_init_uart(i, &uart_pdata[i]);
260
261 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
262}
263
264static void __init mx27ads_timer_init(void)
265{
266 unsigned long fref = 26000000;
267
268 if ((__raw_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0)
269 fref = 27000000;
270
271 mxc_clocks_init(fref);
272 mxc_timer_init("gpt_clk.0");
273}
274
275struct sys_timer mx27ads_timer = {
276 .init = mx27ads_timer_init,
277};
278
279static struct map_desc mx27ads_io_desc[] __initdata = {
280 {
281 .virtual = PBC_BASE_ADDRESS,
282 .pfn = __phys_to_pfn(CS4_BASE_ADDR),
283 .length = SZ_1M,
284 .type = MT_DEVICE,
285 },
286};
287
288void __init mx27ads_map_io(void)
289{
290 mxc_map_io();
291 iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc));
292}
293
294MACHINE_START(MX27ADS, "Freescale i.MX27ADS")
295 /* maintainer: Freescale Semiconductor, Inc. */
296 .phys_io = AIPI_BASE_ADDR,
297 .io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
298 .boot_params = PHYS_OFFSET + 0x100,
299 .map_io = mx27ads_map_io,
300 .init_irq = mxc_init_irq,
301 .init_machine = mx27ads_board_init,
302 .timer = &mx27ads_timer,
303MACHINE_END
304