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 #include <linux/i2c/pxa-i2c.h>
21
22 #include <asm/mach-types.h>
23 #include <asm/mach/arch.h>
24 #include <mach/csb726.h>
25 #include <mach/pxa27x.h>
26 #include <linux/platform_data/mmc-pxamci.h>
27 #include <linux/platform_data/usb-ohci-pxa27x.h>
28 #include <mach/audio.h>
29 #include <mach/smemc.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
csb726_init(void)255 static void __init csb726_init(void)
256 {
257 pxa2xx_mfp_config(ARRAY_AND_SIZE(csb726_pin_config));
258 /* __raw_writel(0x7ffc3ffc, MSC1); *//* LAN9215/EXP_CS */
259 /* __raw_writel(0x06697ff4, MSC2); *//* none/SM501 */
260 __raw_writel((__raw_readl(MSC2) & ~0xffff) | 0x7ff4, MSC2); /* 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 .atag_offset = 0x100,
276 .map_io = pxa27x_map_io,
277 .nr_irqs = PXA_NR_IRQS,
278 .init_irq = pxa27x_init_irq,
279 .handle_irq = pxa27x_handle_irq,
280 .init_machine = csb726_init,
281 .init_time = pxa_timer_init,
282 .restart = pxa_restart,
283 MACHINE_END
284