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80eedae6 JB |
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> | |
c981214a | 26 | #include <linux/i2c.h> |
a09e64fb RK |
27 | #include <mach/common.h> |
28 | #include <mach/hardware.h> | |
80eedae6 JB |
29 | #include <asm/mach-types.h> |
30 | #include <asm/mach/arch.h> | |
31 | #include <asm/mach/time.h> | |
32 | #include <asm/mach/map.h> | |
a09e64fb RK |
33 | #include <mach/gpio.h> |
34 | #include <mach/imx-uart.h> | |
ccfe30a7 | 35 | #include <mach/iomux.h> |
a09e64fb | 36 | #include <mach/board-mx27ads.h> |
8d4fd258 | 37 | #include <mach/mxc_nand.h> |
c981214a | 38 | #include <mach/i2c.h> |
11cda13d | 39 | #include <mach/imxfb.h> |
80eedae6 | 40 | |
7e90534a SH |
41 | #include "devices.h" |
42 | ||
c1a6f123 VB |
43 | static unsigned int mx27ads_pins[] = { |
44 | /* UART0 */ | |
80eedae6 JB |
45 | PE12_PF_UART1_TXD, |
46 | PE13_PF_UART1_RXD, | |
47 | PE14_PF_UART1_CTS, | |
c1a6f123 VB |
48 | PE15_PF_UART1_RTS, |
49 | /* UART1 */ | |
80eedae6 JB |
50 | PE3_PF_UART2_CTS, |
51 | PE4_PF_UART2_RTS, | |
52 | PE6_PF_UART2_TXD, | |
c1a6f123 VB |
53 | PE7_PF_UART2_RXD, |
54 | /* UART2 */ | |
80eedae6 JB |
55 | PE8_PF_UART3_TXD, |
56 | PE9_PF_UART3_RXD, | |
57 | PE10_PF_UART3_CTS, | |
c1a6f123 VB |
58 | PE11_PF_UART3_RTS, |
59 | /* UART3 */ | |
80eedae6 JB |
60 | PB26_AF_UART4_RTS, |
61 | PB28_AF_UART4_TXD, | |
62 | PB29_AF_UART4_CTS, | |
c1a6f123 VB |
63 | PB31_AF_UART4_RXD, |
64 | /* UART4 */ | |
80eedae6 JB |
65 | PB18_AF_UART5_TXD, |
66 | PB19_AF_UART5_RXD, | |
67 | PB20_AF_UART5_CTS, | |
c1a6f123 VB |
68 | PB21_AF_UART5_RTS, |
69 | /* UART5 */ | |
80eedae6 JB |
70 | PB10_AF_UART6_TXD, |
71 | PB12_AF_UART6_CTS, | |
72 | PB11_AF_UART6_RXD, | |
c1a6f123 VB |
73 | PB13_AF_UART6_RTS, |
74 | /* FEC */ | |
80eedae6 JB |
75 | PD0_AIN_FEC_TXD0, |
76 | PD1_AIN_FEC_TXD1, | |
77 | PD2_AIN_FEC_TXD2, | |
78 | PD3_AIN_FEC_TXD3, | |
79 | PD4_AOUT_FEC_RX_ER, | |
80 | PD5_AOUT_FEC_RXD1, | |
81 | PD6_AOUT_FEC_RXD2, | |
82 | PD7_AOUT_FEC_RXD3, | |
83 | PD8_AF_FEC_MDIO, | |
84 | PD9_AIN_FEC_MDC, | |
85 | PD10_AOUT_FEC_CRS, | |
86 | PD11_AOUT_FEC_TX_CLK, | |
87 | PD12_AOUT_FEC_RXD0, | |
88 | PD13_AOUT_FEC_RX_DV, | |
ccfe30a7 | 89 | PD14_AOUT_FEC_RX_CLK, |
80eedae6 JB |
90 | PD15_AOUT_FEC_COL, |
91 | PD16_AIN_FEC_TX_ER, | |
c1a6f123 | 92 | PF23_AIN_FEC_TX_EN, |
c981214a VB |
93 | /* I2C2 */ |
94 | PC5_PF_I2C2_SDA, | |
95 | PC6_PF_I2C2_SCL, | |
11cda13d VB |
96 | /* FB */ |
97 | PA5_PF_LSCLK, | |
98 | PA6_PF_LD0, | |
99 | PA7_PF_LD1, | |
100 | PA8_PF_LD2, | |
101 | PA9_PF_LD3, | |
102 | PA10_PF_LD4, | |
103 | PA11_PF_LD5, | |
104 | PA12_PF_LD6, | |
105 | PA13_PF_LD7, | |
106 | PA14_PF_LD8, | |
107 | PA15_PF_LD9, | |
108 | PA16_PF_LD10, | |
109 | PA17_PF_LD11, | |
110 | PA18_PF_LD12, | |
111 | PA19_PF_LD13, | |
112 | PA20_PF_LD14, | |
113 | PA21_PF_LD15, | |
114 | PA22_PF_LD16, | |
115 | PA23_PF_LD17, | |
116 | PA24_PF_REV, | |
117 | PA25_PF_CLS, | |
118 | PA26_PF_PS, | |
119 | PA27_PF_SPL_SPR, | |
120 | PA28_PF_HSYNC, | |
121 | PA29_PF_VSYNC, | |
122 | PA30_PF_CONTRAST, | |
123 | PA31_PF_OE_ACD, | |
80eedae6 JB |
124 | }; |
125 | ||
8d4fd258 VB |
126 | static struct mxc_nand_platform_data mx27ads_nand_board_info = { |
127 | .width = 1, | |
128 | .hw_ecc = 1, | |
129 | }; | |
130 | ||
c1a6f123 VB |
131 | /* ADS's NOR flash */ |
132 | static struct physmap_flash_data mx27ads_flash_data = { | |
133 | .width = 2, | |
134 | }; | |
135 | ||
136 | static struct resource mx27ads_flash_resource = { | |
137 | .start = 0xc0000000, | |
138 | .end = 0xc0000000 + 0x02000000 - 1, | |
139 | .flags = IORESOURCE_MEM, | |
140 | ||
141 | }; | |
142 | ||
143 | static struct platform_device mx27ads_nor_mtd_device = { | |
144 | .name = "physmap-flash", | |
145 | .id = 0, | |
146 | .dev = { | |
147 | .platform_data = &mx27ads_flash_data, | |
148 | }, | |
149 | .num_resources = 1, | |
150 | .resource = &mx27ads_flash_resource, | |
151 | }; | |
152 | ||
c981214a VB |
153 | static struct imxi2c_platform_data mx27ads_i2c_data = { |
154 | .bitrate = 100000, | |
155 | }; | |
156 | ||
157 | static struct i2c_board_info mx27ads_i2c_devices[] = { | |
158 | }; | |
159 | ||
11cda13d VB |
160 | void lcd_power(int on) |
161 | { | |
162 | if (on) | |
163 | __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_SET_REG); | |
164 | else | |
165 | __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_CLEAR_REG); | |
166 | } | |
167 | ||
168 | static struct imx_fb_platform_data mx27ads_fb_data = { | |
169 | .pixclock = 188679, | |
170 | .xres = 240, | |
171 | .yres = 320, | |
172 | ||
173 | .bpp = 16, | |
174 | .hsync_len = 1, | |
175 | .left_margin = 9, | |
176 | .right_margin = 16, | |
177 | ||
178 | .vsync_len = 1, | |
179 | .upper_margin = 7, | |
180 | .lower_margin = 9, | |
181 | .fixed_screen_cpu = 0, | |
182 | ||
183 | /* | |
184 | * - HSYNC active high | |
185 | * - VSYNC active high | |
186 | * - clk notenabled while idle | |
187 | * - clock inverted | |
188 | * - data not inverted | |
189 | * - data enable low active | |
190 | * - enable sharp mode | |
191 | */ | |
192 | .pcr = 0xFB008BC0, | |
193 | .pwmr = 0x00A903FF, | |
194 | .lscr1 = 0x00120300, | |
195 | .dmacr = 0x00020010, | |
196 | ||
197 | .lcd_power = lcd_power, | |
198 | }; | |
199 | ||
c1a6f123 VB |
200 | static struct platform_device *platform_devices[] __initdata = { |
201 | &mx27ads_nor_mtd_device, | |
202 | &mxc_fec_device, | |
203 | }; | |
80eedae6 | 204 | |
80eedae6 JB |
205 | static struct imxuart_platform_data uart_pdata[] = { |
206 | { | |
80eedae6 JB |
207 | .flags = IMXUART_HAVE_RTSCTS, |
208 | }, { | |
80eedae6 JB |
209 | .flags = IMXUART_HAVE_RTSCTS, |
210 | }, { | |
80eedae6 JB |
211 | .flags = IMXUART_HAVE_RTSCTS, |
212 | }, { | |
80eedae6 JB |
213 | .flags = IMXUART_HAVE_RTSCTS, |
214 | }, { | |
80eedae6 JB |
215 | .flags = IMXUART_HAVE_RTSCTS, |
216 | }, { | |
80eedae6 JB |
217 | .flags = IMXUART_HAVE_RTSCTS, |
218 | }, | |
219 | }; | |
220 | ||
221 | static void __init mx27ads_board_init(void) | |
222 | { | |
c1a6f123 VB |
223 | mxc_gpio_setup_multiple_pins(mx27ads_pins, ARRAY_SIZE(mx27ads_pins), |
224 | "mx27ads"); | |
80eedae6 | 225 | |
7e90534a SH |
226 | mxc_register_device(&mxc_uart_device0, &uart_pdata[0]); |
227 | mxc_register_device(&mxc_uart_device1, &uart_pdata[1]); | |
228 | mxc_register_device(&mxc_uart_device2, &uart_pdata[2]); | |
229 | mxc_register_device(&mxc_uart_device3, &uart_pdata[3]); | |
230 | mxc_register_device(&mxc_uart_device4, &uart_pdata[4]); | |
231 | mxc_register_device(&mxc_uart_device5, &uart_pdata[5]); | |
8d4fd258 | 232 | mxc_register_device(&mxc_nand_device, &mx27ads_nand_board_info); |
c981214a VB |
233 | |
234 | /* only the i2c master 1 is used on this CPU card */ | |
235 | i2c_register_board_info(1, mx27ads_i2c_devices, | |
236 | ARRAY_SIZE(mx27ads_i2c_devices)); | |
237 | mxc_register_device(&mxc_i2c_device1, &mx27ads_i2c_data); | |
11cda13d | 238 | mxc_register_device(&mxc_fb_device, &mx27ads_fb_data); |
80eedae6 JB |
239 | |
240 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | |
241 | } | |
242 | ||
243 | static void __init mx27ads_timer_init(void) | |
244 | { | |
245 | unsigned long fref = 26000000; | |
246 | ||
247 | if ((__raw_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0) | |
248 | fref = 27000000; | |
249 | ||
30c730f8 | 250 | mx27_clocks_init(fref); |
80eedae6 JB |
251 | } |
252 | ||
058b7a6f | 253 | static struct sys_timer mx27ads_timer = { |
80eedae6 JB |
254 | .init = mx27ads_timer_init, |
255 | }; | |
256 | ||
257 | static struct map_desc mx27ads_io_desc[] __initdata = { | |
258 | { | |
259 | .virtual = PBC_BASE_ADDRESS, | |
260 | .pfn = __phys_to_pfn(CS4_BASE_ADDR), | |
261 | .length = SZ_1M, | |
262 | .type = MT_DEVICE, | |
263 | }, | |
264 | }; | |
265 | ||
058b7a6f | 266 | static void __init mx27ads_map_io(void) |
80eedae6 | 267 | { |
cd4a05f9 | 268 | mx27_map_io(); |
80eedae6 JB |
269 | iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc)); |
270 | } | |
271 | ||
272 | MACHINE_START(MX27ADS, "Freescale i.MX27ADS") | |
273 | /* maintainer: Freescale Semiconductor, Inc. */ | |
274 | .phys_io = AIPI_BASE_ADDR, | |
275 | .io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | |
276 | .boot_params = PHYS_OFFSET + 0x100, | |
277 | .map_io = mx27ads_map_io, | |
278 | .init_irq = mxc_init_irq, | |
279 | .init_machine = mx27ads_board_init, | |
280 | .timer = &mx27ads_timer, | |
281 | MACHINE_END | |
282 |