225a2a1178129643cd28526ab86749d87aff2337
[linux-2.6.git] / arch / arm / mach-pxa / csb726.c
1 /*
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 #include <linux/smsc911x.h>
20
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23 #include <mach/csb726.h>
24 #include <mach/mfp-pxa27x.h>
25 #include <plat/i2c.h>
26 #include <mach/mmc.h>
27 #include <mach/ohci.h>
28 #include <mach/pxa2xx-regs.h>
29 #include <mach/audio.h>
30
31 #include "generic.h"
32 #include "devices.h"
33
34 /*
35  * n/a: 2, 5, 6, 7, 8, 23, 24, 25, 26, 27, 87, 88, 89,
36  * nu: 58 -- 77, 90, 91, 93, 102, 105-108, 114-116,
37  * XXX: 21,
38  * XXX: 79 CS_3 for LAN9215 or PSKTSEL on R2, R3
39  * XXX: 33 CS_5 for LAN9215 on R1
40  */
41
42 static unsigned long csb726_pin_config[] = {
43         GPIO78_nCS_2, /* EXP_CS */
44         GPIO79_nCS_3, /* SMSC9215 */
45         GPIO80_nCS_4, /* SM501 */
46
47         GPIO52_GPIO, /* #SMSC9251 int */
48         GPIO53_GPIO, /* SM501 int */
49
50         GPIO1_GPIO, /* GPIO0 */
51         GPIO11_GPIO, /* GPIO1 */
52         GPIO9_GPIO, /* GPIO2 */
53         GPIO10_GPIO, /* GPIO3 */
54         GPIO16_PWM0_OUT, /* or GPIO4 */
55         GPIO17_PWM1_OUT, /* or GPIO5 */
56         GPIO94_GPIO, /* GPIO6 */
57         GPIO95_GPIO, /* GPIO7 */
58         GPIO96_GPIO, /* GPIO8 */
59         GPIO97_GPIO, /* GPIO9 */
60         GPIO15_GPIO, /* EXP_IRQ */
61         GPIO18_RDY, /* EXP_WAIT */
62
63         GPIO0_GPIO, /* PWR_INT */
64         GPIO104_GPIO, /* PWR_OFF */
65
66         GPIO12_GPIO, /* touch irq */
67
68         GPIO13_SSP2_TXD,
69         GPIO14_SSP2_SFRM,
70         MFP_CFG_OUT(GPIO19, AF1, DRIVE_LOW),/* SSP2_SYSCLK */
71         GPIO22_SSP2_SCLK,
72
73         GPIO81_SSP3_TXD,
74         GPIO82_SSP3_RXD,
75         GPIO83_SSP3_SFRM,
76         GPIO84_SSP3_SCLK,
77
78         GPIO20_GPIO, /* SDIO int */
79         GPIO32_MMC_CLK,
80         GPIO92_MMC_DAT_0,
81         GPIO109_MMC_DAT_1,
82         GPIO110_MMC_DAT_2,
83         GPIO111_MMC_DAT_3,
84         GPIO112_MMC_CMD,
85         GPIO100_GPIO, /* SD CD */
86         GPIO101_GPIO, /* SD WP */
87
88         GPIO28_AC97_BITCLK,
89         GPIO29_AC97_SDATA_IN_0,
90         GPIO30_AC97_SDATA_OUT,
91         GPIO31_AC97_SYNC,
92         GPIO113_AC97_nRESET,
93
94         GPIO34_FFUART_RXD,
95         GPIO35_FFUART_CTS,
96         GPIO36_FFUART_DCD,
97         GPIO37_FFUART_DSR,
98         GPIO38_FFUART_RI,
99         GPIO39_FFUART_TXD,
100         GPIO40_FFUART_DTR,
101         GPIO41_FFUART_RTS,
102
103         GPIO42_BTUART_RXD,
104         GPIO43_BTUART_TXD,
105         GPIO44_BTUART_CTS,
106         GPIO45_BTUART_RTS,
107
108         GPIO46_STUART_RXD,
109         GPIO47_STUART_TXD,
110
111         GPIO48_nPOE,
112         GPIO49_nPWE,
113         GPIO50_nPIOR,
114         GPIO51_nPIOW,
115         GPIO54_nPCE_2,
116         GPIO55_nPREG,
117         GPIO56_nPWAIT,
118         GPIO57_nIOIS16, /* maybe unused */
119         GPIO85_nPCE_1,
120         GPIO98_GPIO, /* CF IRQ */
121         GPIO99_GPIO, /* CF CD */
122         GPIO103_GPIO, /* Reset */
123
124         GPIO117_I2C_SCL,
125         GPIO118_I2C_SDA,
126 };
127
128 static struct pxamci_platform_data csb726_mci = {
129         .detect_delay_ms        = 500,
130         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
131         /* FIXME setpower */
132         .gpio_card_detect       = CSB726_GPIO_MMC_DETECT,
133         .gpio_card_ro           = CSB726_GPIO_MMC_RO,
134         .gpio_power             = -1,
135 };
136
137 static struct pxaohci_platform_data csb726_ohci_platform_data = {
138         .port_mode      = PMM_NPS_MODE,
139         .flags          = ENABLE_PORT1 | NO_OC_PROTECTION,
140 };
141
142 static struct mtd_partition csb726_flash_partitions[] = {
143         {
144                 .name           = "Bootloader",
145                 .offset         = 0,
146                 .size           = CSB726_FLASH_uMON,
147                 .mask_flags     = MTD_WRITEABLE  /* force read-only */
148         },
149         {
150                 .name           = "root",
151                 .offset         = MTDPART_OFS_APPEND,
152                 .size           = MTDPART_SIZ_FULL,
153         }
154 };
155
156 static struct physmap_flash_data csb726_flash_data = {
157         .width          = 2,
158         .parts          = csb726_flash_partitions,
159         .nr_parts       = ARRAY_SIZE(csb726_flash_partitions),
160 };
161
162 static struct resource csb726_flash_resources[] = {
163         {
164                 .start          = PXA_CS0_PHYS,
165                 .end            = PXA_CS0_PHYS + CSB726_FLASH_SIZE - 1 ,
166                 .flags          = IORESOURCE_MEM,
167         }
168 };
169
170 static struct platform_device csb726_flash = {
171         .name           = "physmap-flash",
172         .dev            = {
173                 .platform_data  = &csb726_flash_data,
174         },
175         .resource       = csb726_flash_resources,
176         .num_resources  = ARRAY_SIZE(csb726_flash_resources),
177 };
178
179 static struct resource csb726_sm501_resources[] = {
180         {
181                 .start          = PXA_CS4_PHYS,
182                 .end            = PXA_CS4_PHYS + SZ_8M - 1,
183                 .flags          = IORESOURCE_MEM,
184                 .name           = "sm501-localmem",
185         },
186         {
187                 .start          = PXA_CS4_PHYS + SZ_64M - SZ_2M,
188                 .end            = PXA_CS4_PHYS + SZ_64M - 1,
189                 .flags          = IORESOURCE_MEM,
190                 .name           = "sm501-regs",
191         },
192         {
193                 .start          = CSB726_IRQ_SM501,
194                 .end            = CSB726_IRQ_SM501,
195                 .flags          = IORESOURCE_IRQ,
196         },
197 };
198
199 static struct sm501_initdata csb726_sm501_initdata = {
200 /*      .devices        = SM501_USE_USB_HOST, */
201         .devices        = SM501_USE_USB_HOST | SM501_USE_UART0 | SM501_USE_UART1,
202 };
203
204 static struct sm501_platdata csb726_sm501_platdata = {
205         .init           = &csb726_sm501_initdata,
206 };
207
208 static struct platform_device csb726_sm501 = {
209         .name           = "sm501",
210         .id             = 0,
211         .num_resources  = ARRAY_SIZE(csb726_sm501_resources),
212         .resource       = csb726_sm501_resources,
213         .dev            = {
214                 .platform_data = &csb726_sm501_platdata,
215         },
216 };
217
218 static struct resource csb726_lan_resources[] = {
219         {
220                 .start  = PXA_CS3_PHYS,
221                 .end    = PXA_CS3_PHYS + SZ_64K - 1,
222                 .flags  = IORESOURCE_MEM,
223         },
224         {
225                 .start  = CSB726_IRQ_LAN,
226                 .end    = CSB726_IRQ_LAN,
227                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
228         },
229 };
230
231 struct smsc911x_platform_config csb726_lan_config = {
232         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
233         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
234         .flags          = SMSC911X_USE_32BIT,
235         .phy_interface  = PHY_INTERFACE_MODE_MII,
236 };
237
238
239 static struct platform_device csb726_lan = {
240         .name           = "smsc911x",
241         .id             = -1,
242         .num_resources  = ARRAY_SIZE(csb726_lan_resources),
243         .resource       = csb726_lan_resources,
244         .dev            = {
245                 .platform_data  = &csb726_lan_config,
246         },
247 };
248
249 static struct platform_device *devices[] __initdata = {
250         &csb726_flash,
251         &csb726_sm501,
252         &csb726_lan,
253 };
254
255 static void __init csb726_init(void)
256 {
257         pxa2xx_mfp_config(ARRAY_AND_SIZE(csb726_pin_config));
258 /*      MSC1 = 0x7ffc3ffc; *//* LAN9215/EXP_CS */
259 /*      MSC2 = 0x06697ff4; *//* none/SM501 */
260         MSC2 = (MSC2 & ~0xffff) | 0x7ff4; /* SM501 */
261
262         pxa_set_ffuart_info(NULL);
263         pxa_set_btuart_info(NULL);
264         pxa_set_stuart_info(NULL);
265         pxa_set_i2c_info(NULL);
266         pxa27x_set_i2c_power_info(NULL);
267         pxa_set_mci_info(&csb726_mci);
268         pxa_set_ohci_info(&csb726_ohci_platform_data);
269         pxa_set_ac97_info(NULL);
270
271         platform_add_devices(devices, ARRAY_SIZE(devices));
272 }
273
274 MACHINE_START(CSB726, "Cogent CSB726")
275         .boot_params    = 0xa0000100,
276         .map_io         = pxa27x_map_io,
277         .init_irq       = pxa27x_init_irq,
278         .init_machine   = csb726_init,
279         .timer          = &pxa_timer,
280 MACHINE_END