blob: 2b289f83a61a6df57592fe87ebbe356980c27154 [file] [log] [blame]
Dmitry Eremin-Solenikovaac42972009-02-16 20:40:55 +03001/*
2 * Support for Cogent CSB726
3 *
4 * Copyright (c) 2008 Dmitry Eremin-Solenikov
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 */
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/io.h>
14#include <linux/gpio.h>
15#include <linux/platform_device.h>
16#include <linux/mtd/physmap.h>
17#include <linux/mtd/partitions.h>
18#include <linux/sm501.h>
19
20#include <asm/mach-types.h>
21#include <asm/mach/arch.h>
22#include <mach/csb726.h>
23#include <mach/mfp-pxa27x.h>
24#include <mach/i2c.h>
25#include <mach/mmc.h>
26#include <mach/ohci.h>
27#include <mach/pxa2xx-regs.h>
28
29#include "generic.h"
30#include "devices.h"
31
32/*
33 * n/a: 2, 5, 6, 7, 8, 23, 24, 25, 26, 27, 87, 88, 89,
34 * nu: 58 -- 77, 90, 91, 93, 102, 105-108, 114-116,
35 * XXX: 21,
36 * XXX: 79 CS_3 for LAN9215 or PSKTSEL on R2, R3
37 * XXX: 33 CS_5 for LAN9215 on R1
38 */
39
40static unsigned long csb726_pin_config[] = {
41 GPIO78_nCS_2, /* EXP_CS */
42 GPIO79_nCS_3, /* SMSC9215 */
43 GPIO80_nCS_4, /* SM501 */
44
45 GPIO52_GPIO, /* #SMSC9251 int */
46 GPIO53_GPIO, /* SM501 int */
47
48 GPIO1_GPIO, /* GPIO0 */
49 GPIO11_GPIO, /* GPIO1 */
50 GPIO9_GPIO, /* GPIO2 */
51 GPIO10_GPIO, /* GPIO3 */
52 GPIO16_PWM0_OUT, /* or GPIO4 */
53 GPIO17_PWM1_OUT, /* or GPIO5 */
54 GPIO94_GPIO, /* GPIO6 */
55 GPIO95_GPIO, /* GPIO7 */
56 GPIO96_GPIO, /* GPIO8 */
57 GPIO97_GPIO, /* GPIO9 */
58 GPIO15_GPIO, /* EXP_IRQ */
59 GPIO18_RDY, /* EXP_WAIT */
60
61 GPIO0_GPIO, /* PWR_INT */
62 GPIO104_GPIO, /* PWR_OFF */
63
64 GPIO12_GPIO, /* touch irq */
65
66 GPIO13_SSP2_TXD,
67 GPIO14_SSP2_SFRM,
68 MFP_CFG_OUT(GPIO19, AF1, DRIVE_LOW),/* SSP2_SYSCLK */
69 GPIO22_SSP2_SCLK,
70
71 GPIO81_SSP3_TXD,
72 GPIO82_SSP3_RXD,
73 GPIO83_SSP3_SFRM,
74 GPIO84_SSP3_SCLK,
75
76 GPIO20_GPIO, /* SDIO int */
77 GPIO32_MMC_CLK,
78 GPIO92_MMC_DAT_0,
79 GPIO109_MMC_DAT_1,
80 GPIO110_MMC_DAT_2,
81 GPIO111_MMC_DAT_3,
82 GPIO112_MMC_CMD,
83 GPIO100_GPIO, /* SD CD */
84 GPIO101_GPIO, /* SD WP */
85
86 GPIO28_AC97_BITCLK,
87 GPIO29_AC97_SDATA_IN_0,
88 GPIO30_AC97_SDATA_OUT,
89 GPIO31_AC97_SYNC,
90 GPIO113_AC97_nRESET,
91
92 GPIO34_FFUART_RXD,
93 GPIO35_FFUART_CTS,
94 GPIO36_FFUART_DCD,
95 GPIO37_FFUART_DSR,
96 GPIO38_FFUART_RI,
97 GPIO39_FFUART_TXD,
98 GPIO40_FFUART_DTR,
99 GPIO41_FFUART_RTS,
100
101 GPIO42_BTUART_RXD,
102 GPIO43_BTUART_TXD,
103 GPIO44_BTUART_CTS,
104 GPIO45_BTUART_RTS,
105
106 GPIO46_STUART_RXD,
107 GPIO47_STUART_TXD,
108
109 GPIO48_nPOE,
110 GPIO49_nPWE,
111 GPIO50_nPIOR,
112 GPIO51_nPIOW,
113 GPIO54_nPCE_2,
114 GPIO55_nPREG,
115 GPIO56_nPWAIT,
116 GPIO57_nIOIS16, /* maybe unused */
117 GPIO85_nPCE_1,
118 GPIO98_GPIO, /* CF IRQ */
119 GPIO99_GPIO, /* CF CD */
120 GPIO103_GPIO, /* Reset */
121
122 GPIO117_I2C_SCL,
123 GPIO118_I2C_SDA,
124};
125
126static struct pxamci_platform_data csb726_mci_data;
127
128static int csb726_mci_init(struct device *dev,
129 irq_handler_t detect, void *data)
130{
131 int err;
132
133 csb726_mci_data.detect_delay = msecs_to_jiffies(500);
134
135 err = gpio_request(CSB726_GPIO_MMC_DETECT, "MMC detect");
136 if (err)
137 goto err_det_req;
138
139 err = gpio_direction_input(CSB726_GPIO_MMC_DETECT);
140 if (err)
141 goto err_det_dir;
142
143 err = gpio_request(CSB726_GPIO_MMC_RO, "MMC ro");
144 if (err)
145 goto err_ro_req;
146
147 err = gpio_direction_input(CSB726_GPIO_MMC_RO);
148 if (err)
149 goto err_ro_dir;
150
151 err = request_irq(gpio_to_irq(CSB726_GPIO_MMC_DETECT), detect,
152 IRQF_DISABLED, "MMC card detect", data);
153 if (err)
154 goto err_irq;
155
156 return 0;
157
158err_irq:
159err_ro_dir:
160 gpio_free(CSB726_GPIO_MMC_RO);
161err_ro_req:
162err_det_dir:
163 gpio_free(CSB726_GPIO_MMC_DETECT);
164err_det_req:
165 return err;
166}
167
168static int csb726_mci_get_ro(struct device *dev)
169{
170 return gpio_get_value(CSB726_GPIO_MMC_RO);
171}
172
173static void csb726_mci_exit(struct device *dev, void *data)
174{
175 free_irq(gpio_to_irq(CSB726_GPIO_MMC_DETECT), data);
176 gpio_free(CSB726_GPIO_MMC_RO);
177 gpio_free(CSB726_GPIO_MMC_DETECT);
178}
179
180static struct pxamci_platform_data csb726_mci = {
181 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
182 .init = csb726_mci_init,
183 .get_ro = csb726_mci_get_ro,
184 /* FIXME setpower */
185 .exit = csb726_mci_exit,
186};
187
188static struct pxaohci_platform_data csb726_ohci_platform_data = {
189 .port_mode = PMM_NPS_MODE,
190 .flags = ENABLE_PORT1 | NO_OC_PROTECTION,
191};
192
193static struct mtd_partition csb726_flash_partitions[] = {
194 {
195 .name = "Bootloader",
196 .offset = 0,
197 .size = CSB726_FLASH_uMON,
198 .mask_flags = MTD_WRITEABLE /* force read-only */
199 },
200 {
201 .name = "root",
202 .offset = MTDPART_OFS_APPEND,
203 .size = MTDPART_SIZ_FULL,
204 }
205};
206
207static struct physmap_flash_data csb726_flash_data = {
208 .width = 2,
209 .parts = csb726_flash_partitions,
210 .nr_parts = ARRAY_SIZE(csb726_flash_partitions),
211};
212
213static struct resource csb726_flash_resources[] = {
214 {
215 .start = PXA_CS0_PHYS,
216 .end = PXA_CS0_PHYS + CSB726_FLASH_SIZE - 1 ,
217 .flags = IORESOURCE_MEM,
218 }
219};
220
221static struct platform_device csb726_flash = {
222 .name = "physmap-flash",
223 .dev = {
224 .platform_data = &csb726_flash_data,
225 },
226 .resource = csb726_flash_resources,
227 .num_resources = ARRAY_SIZE(csb726_flash_resources),
228};
229
230static struct resource csb726_sm501_resources[] = {
231 {
232 .start = PXA_CS4_PHYS,
233 .end = PXA_CS4_PHYS + SZ_8M - 1,
234 .flags = IORESOURCE_MEM,
235 .name = "sm501-localmem",
236 },
237 {
238 .start = PXA_CS4_PHYS + SZ_64M - SZ_2M,
239 .end = PXA_CS4_PHYS + SZ_64M - 1,
240 .flags = IORESOURCE_MEM,
241 .name = "sm501-regs",
242 },
243 {
244 .start = CSB726_IRQ_SM501,
245 .end = CSB726_IRQ_SM501,
246 .flags = IORESOURCE_IRQ,
247 },
248};
249
250static struct sm501_initdata csb726_sm501_initdata = {
251/* .devices = SM501_USE_USB_HOST, */
252 .devices = SM501_USE_USB_HOST | SM501_USE_UART0 | SM501_USE_UART1,
253};
254
255static struct sm501_platdata csb726_sm501_platdata = {
256 .init = &csb726_sm501_initdata,
257};
258
259static struct platform_device csb726_sm501 = {
260 .name = "sm501",
261 .id = 0,
262 .num_resources = ARRAY_SIZE(csb726_sm501_resources),
263 .resource = csb726_sm501_resources,
264 .dev = {
265 .platform_data = &csb726_sm501_platdata,
266 },
267};
268
269static struct resource csb726_lan_resources[] = {
270 {
271 .start = PXA_CS3_PHYS,
272 .end = PXA_CS3_PHYS + SZ_64K - 1,
273 .flags = IORESOURCE_MEM,
274 },
275 {
276 .start = CSB726_IRQ_LAN,
277 .end = CSB726_IRQ_LAN,
278 .flags = IORESOURCE_IRQ,
279 },
280};
281
282static struct platform_device csb726_lan = {
283 .name = "smc911x",
284 .id = -1,
285 .num_resources = ARRAY_SIZE(csb726_lan_resources),
286 .resource = csb726_lan_resources,
287};
288
289static struct platform_device *devices[] __initdata = {
290 &csb726_flash,
291 &csb726_sm501,
292 &csb726_lan,
293};
294
295static void __init csb726_init(void)
296{
297 pxa2xx_mfp_config(ARRAY_AND_SIZE(csb726_pin_config));
298/* MSC1 = 0x7ffc3ffc; *//* LAN9215/EXP_CS */
299/* MSC2 = 0x06697ff4; *//* none/SM501 */
300 MSC2 = (MSC2 & ~0xffff) | 0x7ff4; /* SM501 */
301
302 pxa_set_i2c_info(NULL);
303 pxa27x_set_i2c_power_info(NULL);
304 pxa_set_mci_info(&csb726_mci);
305 pxa_set_ohci_info(&csb726_ohci_platform_data);
306
307 platform_add_devices(devices, ARRAY_SIZE(devices));
308}
309
310MACHINE_START(CSB726, "Cogent CSB726")
311 .phys_io = 0x40000000,
312 .boot_params = 0xa0000100,
313 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
314 .map_io = pxa_map_io,
315 .init_irq = pxa27x_init_irq,
316 .init_machine = csb726_init,
317 .timer = &pxa_timer,
318MACHINE_END