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28ad94ec AR |
1 | /* |
2 | * linux/arch/arm/mach-nomadik/board-8815nhk.c | |
3 | * | |
4 | * Copyright (C) STMicroelectronics | |
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 version 2, as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | * NHK15 board specifc driver definition | |
11 | */ | |
12 | #include <linux/types.h> | |
13 | #include <linux/kernel.h> | |
14 | #include <linux/init.h> | |
15 | #include <linux/platform_device.h> | |
16 | #include <linux/amba/bus.h> | |
171af7dc | 17 | #include <linux/amba/mmci.h> |
725b1f9d AR |
18 | #include <linux/interrupt.h> |
19 | #include <linux/gpio.h> | |
63234717 AR |
20 | #include <linux/mtd/mtd.h> |
21 | #include <linux/mtd/nand.h> | |
c1558b55 | 22 | #include <linux/mtd/onenand.h> |
63234717 | 23 | #include <linux/mtd/partitions.h> |
d088f671 | 24 | #include <linux/i2c.h> |
63234717 | 25 | #include <linux/io.h> |
42ab5304 | 26 | #include <asm/hardware/vic.h> |
63234717 | 27 | #include <asm/sizes.h> |
28ad94ec AR |
28 | #include <asm/mach-types.h> |
29 | #include <asm/mach/arch.h> | |
30 | #include <asm/mach/irq.h> | |
8b85e7cb | 31 | #include <asm/mach/flash.h> |
b9576623 | 32 | #include <asm/mach/time.h> |
59b559d7 | 33 | |
0f332861 | 34 | #include <plat/gpio-nomadik.h> |
59b559d7 SK |
35 | #include <plat/mtu.h> |
36 | ||
63234717 AR |
37 | #include <mach/nand.h> |
38 | #include <mach/fsmc.h> | |
28ad94ec | 39 | |
61b38753 LW |
40 | #include "cpu-8815.h" |
41 | ||
59b559d7 SK |
42 | /* Initial value for SRC control register: all timers use MXTAL/8 source */ |
43 | #define SRC_CR_INIT_MASK 0x00007fff | |
44 | #define SRC_CR_INIT_VAL 0x2aaa8000 | |
45 | ||
3ad2f3fb | 46 | /* These addresses span 16MB, so use three individual pages */ |
63234717 AR |
47 | static struct resource nhk8815_nand_resources[] = { |
48 | { | |
49 | .name = "nand_addr", | |
50 | .start = NAND_IO_ADDR, | |
51 | .end = NAND_IO_ADDR + 0xfff, | |
52 | .flags = IORESOURCE_MEM, | |
53 | }, { | |
54 | .name = "nand_cmd", | |
55 | .start = NAND_IO_CMD, | |
56 | .end = NAND_IO_CMD + 0xfff, | |
57 | .flags = IORESOURCE_MEM, | |
58 | }, { | |
59 | .name = "nand_data", | |
60 | .start = NAND_IO_DATA, | |
61 | .end = NAND_IO_DATA + 0xfff, | |
62 | .flags = IORESOURCE_MEM, | |
63 | } | |
64 | }; | |
65 | ||
66 | static int nhk8815_nand_init(void) | |
67 | { | |
68 | /* FSMC setup for nand chip select (8-bit nand in 8815NHK) */ | |
69 | writel(0x0000000E, FSMC_PCR(0)); | |
70 | writel(0x000D0A00, FSMC_PMEM(0)); | |
71 | writel(0x00100A00, FSMC_PATT(0)); | |
72 | ||
73 | /* enable access to the chip select area */ | |
74 | writel(readl(FSMC_PCR(0)) | 0x04, FSMC_PCR(0)); | |
75 | ||
76 | return 0; | |
77 | } | |
78 | ||
79 | /* | |
80 | * These partitions are the same as those used in the 2.6.20 release | |
81 | * shipped by the vendor; the first two partitions are mandated | |
82 | * by the boot ROM, and the bootloader area is somehow oversized... | |
83 | */ | |
84 | static struct mtd_partition nhk8815_partitions[] = { | |
85 | { | |
86 | .name = "X-Loader(NAND)", | |
87 | .offset = 0, | |
88 | .size = SZ_256K, | |
89 | }, { | |
90 | .name = "MemInit(NAND)", | |
91 | .offset = MTDPART_OFS_APPEND, | |
92 | .size = SZ_256K, | |
93 | }, { | |
94 | .name = "BootLoader(NAND)", | |
95 | .offset = MTDPART_OFS_APPEND, | |
96 | .size = SZ_2M, | |
97 | }, { | |
98 | .name = "Kernel zImage(NAND)", | |
99 | .offset = MTDPART_OFS_APPEND, | |
100 | .size = 3 * SZ_1M, | |
101 | }, { | |
102 | .name = "Root Filesystem(NAND)", | |
103 | .offset = MTDPART_OFS_APPEND, | |
104 | .size = 22 * SZ_1M, | |
105 | }, { | |
106 | .name = "User Filesystem(NAND)", | |
107 | .offset = MTDPART_OFS_APPEND, | |
108 | .size = MTDPART_SIZ_FULL, | |
109 | } | |
110 | }; | |
111 | ||
112 | static struct nomadik_nand_platform_data nhk8815_nand_data = { | |
113 | .parts = nhk8815_partitions, | |
114 | .nparts = ARRAY_SIZE(nhk8815_partitions), | |
115 | .options = NAND_COPYBACK | NAND_CACHEPRG | NAND_NO_PADDING \ | |
1826dbcc | 116 | | NAND_NO_READRDY, |
63234717 AR |
117 | .init = nhk8815_nand_init, |
118 | }; | |
119 | ||
120 | static struct platform_device nhk8815_nand_device = { | |
121 | .name = "nomadik_nand", | |
122 | .dev = { | |
123 | .platform_data = &nhk8815_nand_data, | |
124 | }, | |
125 | .resource = nhk8815_nand_resources, | |
126 | .num_resources = ARRAY_SIZE(nhk8815_nand_resources), | |
127 | }; | |
128 | ||
8b85e7cb AR |
129 | /* These are the partitions for the OneNand device, different from above */ |
130 | static struct mtd_partition nhk8815_onenand_partitions[] = { | |
131 | { | |
132 | .name = "X-Loader(OneNAND)", | |
133 | .offset = 0, | |
134 | .size = SZ_256K, | |
135 | }, { | |
136 | .name = "MemInit(OneNAND)", | |
137 | .offset = MTDPART_OFS_APPEND, | |
138 | .size = SZ_256K, | |
139 | }, { | |
140 | .name = "BootLoader(OneNAND)", | |
141 | .offset = MTDPART_OFS_APPEND, | |
142 | .size = SZ_2M-SZ_256K, | |
143 | }, { | |
144 | .name = "SysImage(OneNAND)", | |
145 | .offset = MTDPART_OFS_APPEND, | |
146 | .size = 4 * SZ_1M, | |
147 | }, { | |
148 | .name = "Root Filesystem(OneNAND)", | |
149 | .offset = MTDPART_OFS_APPEND, | |
150 | .size = 22 * SZ_1M, | |
151 | }, { | |
152 | .name = "User Filesystem(OneNAND)", | |
153 | .offset = MTDPART_OFS_APPEND, | |
154 | .size = MTDPART_SIZ_FULL, | |
155 | } | |
156 | }; | |
157 | ||
c1558b55 | 158 | static struct onenand_platform_data nhk8815_onenand_data = { |
8b85e7cb AR |
159 | .parts = nhk8815_onenand_partitions, |
160 | .nr_parts = ARRAY_SIZE(nhk8815_onenand_partitions), | |
161 | }; | |
162 | ||
163 | static struct resource nhk8815_onenand_resource[] = { | |
164 | { | |
165 | .start = 0x30000000, | |
166 | .end = 0x30000000 + SZ_128K - 1, | |
167 | .flags = IORESOURCE_MEM, | |
168 | }, | |
169 | }; | |
170 | ||
171 | static struct platform_device nhk8815_onenand_device = { | |
c1558b55 | 172 | .name = "onenand-flash", |
8b85e7cb AR |
173 | .id = -1, |
174 | .dev = { | |
175 | .platform_data = &nhk8815_onenand_data, | |
176 | }, | |
177 | .resource = nhk8815_onenand_resource, | |
178 | .num_resources = ARRAY_SIZE(nhk8815_onenand_resource), | |
179 | }; | |
180 | ||
181 | static void __init nhk8815_onenand_init(void) | |
182 | { | |
c1558b55 | 183 | #ifdef CONFIG_MTD_ONENAND |
8b85e7cb | 184 | /* Set up SMCS0 for OneNand */ |
c1558b55 AR |
185 | writel(0x000030db, FSMC_BCR(0)); |
186 | writel(0x02100551, FSMC_BTR(0)); | |
8b85e7cb AR |
187 | #endif |
188 | } | |
63234717 | 189 | |
171af7dc LW |
190 | static struct mmci_platform_data mmcsd_plat_data = { |
191 | .ocr_mask = MMC_VDD_29_30, | |
192 | .f_max = 48000000, | |
193 | .gpio_wp = -1, | |
194 | .gpio_cd = 111, | |
195 | .cd_invert = true, | |
196 | .capabilities = MMC_CAP_MMC_HIGHSPEED | | |
197 | MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA, | |
198 | }; | |
199 | ||
200 | static int __init nhk8815_mmcsd_init(void) | |
201 | { | |
202 | int ret; | |
203 | ||
204 | ret = gpio_request(112, "card detect bias"); | |
205 | if (ret) | |
206 | return ret; | |
207 | gpio_direction_output(112, 0); | |
208 | amba_apb_device_add(NULL, "mmci", NOMADIK_SDI_BASE, SZ_4K, IRQ_SDMMC, 0, &mmcsd_plat_data, 0x10180180); | |
209 | return 0; | |
210 | } | |
211 | module_init(nhk8815_mmcsd_init); | |
212 | ||
725b1f9d AR |
213 | static struct resource nhk8815_eth_resources[] = { |
214 | { | |
215 | .name = "smc91x-regs", | |
216 | .start = 0x34000000 + 0x300, | |
217 | .end = 0x34000000 + SZ_64K - 1, | |
218 | .flags = IORESOURCE_MEM, | |
219 | }, { | |
220 | .start = NOMADIK_GPIO_TO_IRQ(115), | |
221 | .end = NOMADIK_GPIO_TO_IRQ(115), | |
222 | .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING, | |
223 | } | |
224 | }; | |
225 | ||
226 | static struct platform_device nhk8815_eth_device = { | |
227 | .name = "smc91x", | |
228 | .resource = nhk8815_eth_resources, | |
229 | .num_resources = ARRAY_SIZE(nhk8815_eth_resources), | |
230 | }; | |
231 | ||
232 | static int __init nhk8815_eth_init(void) | |
233 | { | |
234 | int gpio_nr = 115; /* hardwired in the board */ | |
235 | int err; | |
236 | ||
237 | err = gpio_request(gpio_nr, "eth_irq"); | |
238 | if (!err) err = nmk_gpio_set_mode(gpio_nr, NMK_GPIO_ALT_GPIO); | |
239 | if (!err) err = gpio_direction_input(gpio_nr); | |
240 | if (err) | |
241 | pr_err("Error %i in %s\n", err, __func__); | |
242 | return err; | |
243 | } | |
244 | device_initcall(nhk8815_eth_init); | |
245 | ||
28ad94ec | 246 | static struct platform_device *nhk8815_platform_devices[] __initdata = { |
63234717 | 247 | &nhk8815_nand_device, |
8b85e7cb | 248 | &nhk8815_onenand_device, |
725b1f9d AR |
249 | &nhk8815_eth_device, |
250 | /* will add more devices */ | |
28ad94ec AR |
251 | }; |
252 | ||
59b559d7 SK |
253 | static void __init nomadik_timer_init(void) |
254 | { | |
255 | u32 src_cr; | |
256 | ||
257 | /* Configure timer sources in "system reset controller" ctrl reg */ | |
258 | src_cr = readl(io_p2v(NOMADIK_SRC_BASE)); | |
259 | src_cr &= SRC_CR_INIT_MASK; | |
260 | src_cr |= SRC_CR_INIT_VAL; | |
261 | writel(src_cr, io_p2v(NOMADIK_SRC_BASE)); | |
262 | ||
b9576623 | 263 | nmdk_timer_init(io_p2v(NOMADIK_MTU0_BASE)); |
59b559d7 SK |
264 | } |
265 | ||
266 | static struct sys_timer nomadik_timer = { | |
267 | .init = nomadik_timer_init, | |
268 | }; | |
269 | ||
d088f671 LW |
270 | static struct i2c_board_info __initdata nhk8815_i2c0_devices[] = { |
271 | { | |
272 | I2C_BOARD_INFO("stw4811", 0x2d), | |
273 | }, | |
274 | }; | |
275 | ||
276 | static struct i2c_board_info __initdata nhk8815_i2c1_devices[] = { | |
277 | { | |
278 | I2C_BOARD_INFO("camera", 0x10), | |
279 | }, | |
280 | { | |
281 | I2C_BOARD_INFO("stw5095", 0x1a), | |
282 | }, | |
283 | { | |
284 | I2C_BOARD_INFO("lis3lv02dl", 0x1d), | |
285 | }, | |
286 | }; | |
287 | ||
288 | static struct i2c_board_info __initdata nhk8815_i2c2_devices[] = { | |
289 | { | |
290 | I2C_BOARD_INFO("stw4811-usb", 0x2d), | |
291 | }, | |
292 | }; | |
293 | ||
28ad94ec AR |
294 | static void __init nhk8815_platform_init(void) |
295 | { | |
28ad94ec | 296 | cpu8815_platform_init(); |
8b85e7cb | 297 | nhk8815_onenand_init(); |
28ad94ec AR |
298 | platform_add_devices(nhk8815_platform_devices, |
299 | ARRAY_SIZE(nhk8815_platform_devices)); | |
300 | ||
7c77852d LW |
301 | amba_apb_device_add(NULL, "uart0", NOMADIK_UART0_BASE, SZ_4K, IRQ_UART0, 0, NULL, 0); |
302 | amba_apb_device_add(NULL, "uart1", NOMADIK_UART1_BASE, SZ_4K, IRQ_UART1, 0, NULL, 0); | |
d088f671 LW |
303 | |
304 | i2c_register_board_info(0, nhk8815_i2c0_devices, | |
305 | ARRAY_SIZE(nhk8815_i2c0_devices)); | |
306 | i2c_register_board_info(1, nhk8815_i2c1_devices, | |
307 | ARRAY_SIZE(nhk8815_i2c1_devices)); | |
308 | i2c_register_board_info(2, nhk8815_i2c2_devices, | |
309 | ARRAY_SIZE(nhk8815_i2c2_devices)); | |
28ad94ec AR |
310 | } |
311 | ||
312 | MACHINE_START(NOMADIK, "NHK8815") | |
313 | /* Maintainer: ST MicroElectronics */ | |
013b5fb2 | 314 | .atag_offset = 0x100, |
28ad94ec AR |
315 | .map_io = cpu8815_map_io, |
316 | .init_irq = cpu8815_init_irq, | |
42ab5304 | 317 | .handle_irq = vic_handle_irq, |
28ad94ec AR |
318 | .timer = &nomadik_timer, |
319 | .init_machine = nhk8815_platform_init, | |
35b47a40 | 320 | .restart = cpu8815_restart, |
28ad94ec | 321 | MACHINE_END |