a305424a967ddb5c67f4debd20d425d458661029
[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 #include <mach/smemc.h>
31
32 #include "generic.h"
33 #include "devices.h"
34
35 /*
36  * n/a: 2, 5, 6, 7, 8, 23, 24, 25, 26, 27, 87, 88, 89,
37  * nu: 58 -- 77, 90, 91, 93, 102, 105-108, 114-116,
38  * XXX: 21,
39  * XXX: 79 CS_3 for LAN9215 or PSKTSEL on R2, R3
40  * XXX: 33 CS_5 for LAN9215 on R1
41  */
42
43 static unsigned long csb726_pin_config[] = {
44         GPIO78_nCS_2, /* EXP_CS */
45         GPIO79_nCS_3, /* SMSC9215 */
46         GPIO80_nCS_4, /* SM501 */
47
48         GPIO52_GPIO, /* #SMSC9251 int */
49         GPIO53_GPIO, /* SM501 int */
50
51         GPIO1_GPIO, /* GPIO0 */
52         GPIO11_GPIO, /* GPIO1 */
53         GPIO9_GPIO, /* GPIO2 */
54         GPIO10_GPIO, /* GPIO3 */
55         GPIO16_PWM0_OUT, /* or GPIO4 */
56         GPIO17_PWM1_OUT, /* or GPIO5 */
57         GPIO94_GPIO, /* GPIO6 */
58         GPIO95_GPIO, /* GPIO7 */
59         GPIO96_GPIO, /* GPIO8 */
60         GPIO97_GPIO, /* GPIO9 */
61         GPIO15_GPIO, /* EXP_IRQ */
62         GPIO18_RDY, /* EXP_WAIT */
63
64         GPIO0_GPIO, /* PWR_INT */
65         GPIO104_GPIO, /* PWR_OFF */
66
67         GPIO12_GPIO, /* touch irq */
68
69         GPIO13_SSP2_TXD,
70         GPIO14_SSP2_SFRM,
71         MFP_CFG_OUT(GPIO19, AF1, DRIVE_LOW),/* SSP2_SYSCLK */
72         GPIO22_SSP2_SCLK,
73
74         GPIO81_SSP3_TXD,
75         GPIO82_SSP3_RXD,
76         GPIO83_SSP3_SFRM,
77         GPIO84_SSP3_SCLK,
78
79         GPIO20_GPIO, /* SDIO int */
80         GPIO32_MMC_CLK,
81         GPIO92_MMC_DAT_0,
82         GPIO109_MMC_DAT_1,
83         GPIO110_MMC_DAT_2,
84         GPIO111_MMC_DAT_3,
85         GPIO112_MMC_CMD,
86         GPIO100_GPIO, /* SD CD */
87         GPIO101_GPIO, /* SD WP */
88
89         GPIO28_AC97_BITCLK,
90         GPIO29_AC97_SDATA_IN_0,
91         GPIO30_AC97_SDATA_OUT,
92         GPIO31_AC97_SYNC,
93         GPIO113_AC97_nRESET,
94
95         GPIO34_FFUART_RXD,
96         GPIO35_FFUART_CTS,
97         GPIO36_FFUART_DCD,
98         GPIO37_FFUART_DSR,
99         GPIO38_FFUART_RI,
100         GPIO39_FFUART_TXD,
101         GPIO40_FFUART_DTR,
102         GPIO41_FFUART_RTS,
103
104         GPIO42_BTUART_RXD,
105         GPIO43_BTUART_TXD,
106         GPIO44_BTUART_CTS,
107         GPIO45_BTUART_RTS,
108
109         GPIO46_STUART_RXD,
110         GPIO47_STUART_TXD,
111
112         GPIO48_nPOE,
113         GPIO49_nPWE,
114         GPIO50_nPIOR,
115         GPIO51_nPIOW,
116         GPIO54_nPCE_2,
117         GPIO55_nPREG,
118         GPIO56_nPWAIT,
119         GPIO57_nIOIS16, /* maybe unused */
120         GPIO85_nPCE_1,
121         GPIO98_GPIO, /* CF IRQ */
122         GPIO99_GPIO, /* CF CD */
123         GPIO103_GPIO, /* Reset */
124
125         GPIO117_I2C_SCL,
126         GPIO118_I2C_SDA,
127 };
128
129 static struct pxamci_platform_data csb726_mci = {
130         .detect_delay_ms        = 500,
131         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
132         /* FIXME setpower */
133         .gpio_card_detect       = CSB726_GPIO_MMC_DETECT,
134         .gpio_card_ro           = CSB726_GPIO_MMC_RO,
135         .gpio_power             = -1,
136 };
137
138 static struct pxaohci_platform_data csb726_ohci_platform_data = {
139         .port_mode      = PMM_NPS_MODE,
140         .flags          = ENABLE_PORT1 | NO_OC_PROTECTION,
141 };
142
143 static struct mtd_partition csb726_flash_partitions[] = {
144         {
145                 .name           = "Bootloader",
146                 .offset         = 0,
147                 .size           = CSB726_FLASH_uMON,
148                 .mask_flags     = MTD_WRITEABLE  /* force read-only */
149         },
150         {
151                 .name           = "root",
152                 .offset         = MTDPART_OFS_APPEND,
153                 .size           = MTDPART_SIZ_FULL,
154         }
155 };
156
157 static struct physmap_flash_data csb726_flash_data = {
158         .width          = 2,
159         .parts          = csb726_flash_partitions,
160         .nr_parts       = ARRAY_SIZE(csb726_flash_partitions),
161 };
162
163 static struct resource csb726_flash_resources[] = {
164         {
165                 .start          = PXA_CS0_PHYS,
166                 .end            = PXA_CS0_PHYS + CSB726_FLASH_SIZE - 1 ,
167                 .flags          = IORESOURCE_MEM,
168         }
169 };
170
171 static struct platform_device csb726_flash = {
172         .name           = "physmap-flash",
173         .dev            = {
174                 .platform_data  = &csb726_flash_data,
175         },
176         .resource       = csb726_flash_resources,
177         .num_resources  = ARRAY_SIZE(csb726_flash_resources),
178 };
179
180 static struct resource csb726_sm501_resources[] = {
181         {
182                 .start          = PXA_CS4_PHYS,
183                 .end            = PXA_CS4_PHYS + SZ_8M - 1,
184                 .flags          = IORESOURCE_MEM,
185                 .name           = "sm501-localmem",
186         },
187         {
188                 .start          = PXA_CS4_PHYS + SZ_64M - SZ_2M,
189                 .end            = PXA_CS4_PHYS + SZ_64M - 1,
190                 .flags          = IORESOURCE_MEM,
191                 .name           = "sm501-regs",
192         },
193         {
194                 .start          = CSB726_IRQ_SM501,
195                 .end            = CSB726_IRQ_SM501,
196                 .flags          = IORESOURCE_IRQ,
197         },
198 };
199
200 static struct sm501_initdata csb726_sm501_initdata = {
201 /*      .devices        = SM501_USE_USB_HOST, */
202         .devices        = SM501_USE_USB_HOST | SM501_USE_UART0 | SM501_USE_UART1,
203 };
204
205 static struct sm501_platdata csb726_sm501_platdata = {
206         .init           = &csb726_sm501_initdata,
207 };
208
209 static struct platform_device csb726_sm501 = {
210         .name           = "sm501",
211         .id             = 0,
212         .num_resources  = ARRAY_SIZE(csb726_sm501_resources),
213         .resource       = csb726_sm501_resources,
214         .dev            = {
215                 .platform_data = &csb726_sm501_platdata,
216         },
217 };
218
219 static struct resource csb726_lan_resources[] = {
220         {
221                 .start  = PXA_CS3_PHYS,
222                 .end    = PXA_CS3_PHYS + SZ_64K - 1,
223                 .flags  = IORESOURCE_MEM,
224         },
225         {
226                 .start  = CSB726_IRQ_LAN,
227                 .end    = CSB726_IRQ_LAN,
228                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
229         },
230 };
231
232 struct smsc911x_platform_config csb726_lan_config = {
233         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
234         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
235         .flags          = SMSC911X_USE_32BIT,
236         .phy_interface  = PHY_INTERFACE_MODE_MII,
237 };
238
239
240 static struct platform_device csb726_lan = {
241         .name           = "smsc911x",
242         .id             = -1,
243         .num_resources  = ARRAY_SIZE(csb726_lan_resources),
244         .resource       = csb726_lan_resources,
245         .dev            = {
246                 .platform_data  = &csb726_lan_config,
247         },
248 };
249
250 static struct platform_device *devices[] __initdata = {
251         &csb726_flash,
252         &csb726_sm501,
253         &csb726_lan,
254 };
255
256 static void __init csb726_init(void)
257 {
258         pxa2xx_mfp_config(ARRAY_AND_SIZE(csb726_pin_config));
259 /*      __raw_writel(0x7ffc3ffc, MSC1); *//* LAN9215/EXP_CS */
260 /*      __raw_writel(0x06697ff4, MSC2); *//* none/SM501 */
261         __raw_writel((__raw_readl(MSC2) & ~0xffff) | 0x7ff4, MSC2); /* SM501 */
262
263         pxa_set_ffuart_info(NULL);
264         pxa_set_btuart_info(NULL);
265         pxa_set_stuart_info(NULL);
266         pxa_set_i2c_info(NULL);
267         pxa27x_set_i2c_power_info(NULL);
268         pxa_set_mci_info(&csb726_mci);
269         pxa_set_ohci_info(&csb726_ohci_platform_data);
270         pxa_set_ac97_info(NULL);
271
272         platform_add_devices(devices, ARRAY_SIZE(devices));
273 }
274
275 MACHINE_START(CSB726, "Cogent CSB726")
276         .boot_params    = 0xa0000100,
277         .map_io         = pxa27x_map_io,
278         .init_irq       = pxa27x_init_irq,
279         .init_machine   = csb726_init,
280         .timer          = &pxa_timer,
281 MACHINE_END