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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>
Dmitry Eremin-Solenikovb8601712009-04-22 00:43:21 +040019#include <linux/smsc911x.h>
Dmitry Eremin-Solenikovaac42972009-02-16 20:40:55 +030020
21#include <asm/mach-types.h>
22#include <asm/mach/arch.h>
23#include <mach/csb726.h>
24#include <mach/mfp-pxa27x.h>
Eric Miaof0a83702009-04-13 15:03:11 +080025#include <plat/i2c.h>
Dmitry Eremin-Solenikovaac42972009-02-16 20:40:55 +030026#include <mach/mmc.h>
27#include <mach/ohci.h>
28#include <mach/pxa2xx-regs.h>
Dmitry Eremin-Solenikov96a9fca2009-04-22 00:43:22 +040029#include <mach/audio.h>
Dmitry Eremin-Solenikovaac42972009-02-16 20:40:55 +030030
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
42static 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
128static struct pxamci_platform_data csb726_mci_data;
129
130static int csb726_mci_init(struct device *dev,
131 irq_handler_t detect, void *data)
132{
Dmitry Eremin-Solenikovaac42972009-02-16 20:40:55 +0300133 csb726_mci_data.detect_delay = msecs_to_jiffies(500);
Dmitry Eremin-Solenikovaac42972009-02-16 20:40:55 +0300134 return 0;
Dmitry Eremin-Solenikovaac42972009-02-16 20:40:55 +0300135}
136
137static struct pxamci_platform_data csb726_mci = {
Robert Jarzmik7a648252009-07-06 22:16:42 +0200138 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
139 .init = csb726_mci_init,
Dmitry Eremin-Solenikovaac42972009-02-16 20:40:55 +0300140 /* FIXME setpower */
Robert Jarzmik7a648252009-07-06 22:16:42 +0200141 .gpio_card_detect = CSB726_GPIO_MMC_DETECT,
142 .gpio_card_ro = CSB726_GPIO_MMC_RO,
143 .gpio_power = -1,
Dmitry Eremin-Solenikovaac42972009-02-16 20:40:55 +0300144};
145
146static struct pxaohci_platform_data csb726_ohci_platform_data = {
147 .port_mode = PMM_NPS_MODE,
148 .flags = ENABLE_PORT1 | NO_OC_PROTECTION,
149};
150
151static struct mtd_partition csb726_flash_partitions[] = {
152 {
153 .name = "Bootloader",
154 .offset = 0,
155 .size = CSB726_FLASH_uMON,
156 .mask_flags = MTD_WRITEABLE /* force read-only */
157 },
158 {
159 .name = "root",
160 .offset = MTDPART_OFS_APPEND,
161 .size = MTDPART_SIZ_FULL,
162 }
163};
164
165static struct physmap_flash_data csb726_flash_data = {
166 .width = 2,
167 .parts = csb726_flash_partitions,
168 .nr_parts = ARRAY_SIZE(csb726_flash_partitions),
169};
170
171static struct resource csb726_flash_resources[] = {
172 {
173 .start = PXA_CS0_PHYS,
174 .end = PXA_CS0_PHYS + CSB726_FLASH_SIZE - 1 ,
175 .flags = IORESOURCE_MEM,
176 }
177};
178
179static struct platform_device csb726_flash = {
180 .name = "physmap-flash",
181 .dev = {
182 .platform_data = &csb726_flash_data,
183 },
184 .resource = csb726_flash_resources,
185 .num_resources = ARRAY_SIZE(csb726_flash_resources),
186};
187
188static struct resource csb726_sm501_resources[] = {
189 {
190 .start = PXA_CS4_PHYS,
191 .end = PXA_CS4_PHYS + SZ_8M - 1,
192 .flags = IORESOURCE_MEM,
193 .name = "sm501-localmem",
194 },
195 {
196 .start = PXA_CS4_PHYS + SZ_64M - SZ_2M,
197 .end = PXA_CS4_PHYS + SZ_64M - 1,
198 .flags = IORESOURCE_MEM,
199 .name = "sm501-regs",
200 },
201 {
202 .start = CSB726_IRQ_SM501,
203 .end = CSB726_IRQ_SM501,
204 .flags = IORESOURCE_IRQ,
205 },
206};
207
208static struct sm501_initdata csb726_sm501_initdata = {
209/* .devices = SM501_USE_USB_HOST, */
210 .devices = SM501_USE_USB_HOST | SM501_USE_UART0 | SM501_USE_UART1,
211};
212
213static struct sm501_platdata csb726_sm501_platdata = {
214 .init = &csb726_sm501_initdata,
215};
216
217static struct platform_device csb726_sm501 = {
218 .name = "sm501",
219 .id = 0,
220 .num_resources = ARRAY_SIZE(csb726_sm501_resources),
221 .resource = csb726_sm501_resources,
222 .dev = {
223 .platform_data = &csb726_sm501_platdata,
224 },
225};
226
227static struct resource csb726_lan_resources[] = {
228 {
229 .start = PXA_CS3_PHYS,
230 .end = PXA_CS3_PHYS + SZ_64K - 1,
231 .flags = IORESOURCE_MEM,
232 },
233 {
234 .start = CSB726_IRQ_LAN,
235 .end = CSB726_IRQ_LAN,
Dmitry Eremin-Solenikovb8601712009-04-22 00:43:21 +0400236 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
Dmitry Eremin-Solenikovaac42972009-02-16 20:40:55 +0300237 },
238};
239
Dmitry Eremin-Solenikovb8601712009-04-22 00:43:21 +0400240struct smsc911x_platform_config csb726_lan_config = {
Julia Lawallc639ef42009-09-16 11:06:52 +0200241 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
Dmitry Eremin-Solenikovb8601712009-04-22 00:43:21 +0400242 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
243 .flags = SMSC911X_USE_32BIT,
244 .phy_interface = PHY_INTERFACE_MODE_MII,
245};
246
247
Dmitry Eremin-Solenikovaac42972009-02-16 20:40:55 +0300248static struct platform_device csb726_lan = {
Dmitry Eremin-Solenikovb8601712009-04-22 00:43:21 +0400249 .name = "smsc911x",
Dmitry Eremin-Solenikovaac42972009-02-16 20:40:55 +0300250 .id = -1,
251 .num_resources = ARRAY_SIZE(csb726_lan_resources),
252 .resource = csb726_lan_resources,
Dmitry Eremin-Solenikovb8601712009-04-22 00:43:21 +0400253 .dev = {
254 .platform_data = &csb726_lan_config,
255 },
Dmitry Eremin-Solenikovaac42972009-02-16 20:40:55 +0300256};
257
258static struct platform_device *devices[] __initdata = {
259 &csb726_flash,
260 &csb726_sm501,
261 &csb726_lan,
262};
263
264static void __init csb726_init(void)
265{
266 pxa2xx_mfp_config(ARRAY_AND_SIZE(csb726_pin_config));
267/* MSC1 = 0x7ffc3ffc; *//* LAN9215/EXP_CS */
268/* MSC2 = 0x06697ff4; *//* none/SM501 */
269 MSC2 = (MSC2 & ~0xffff) | 0x7ff4; /* SM501 */
270
271 pxa_set_i2c_info(NULL);
272 pxa27x_set_i2c_power_info(NULL);
273 pxa_set_mci_info(&csb726_mci);
274 pxa_set_ohci_info(&csb726_ohci_platform_data);
Dmitry Eremin-Solenikov96a9fca2009-04-22 00:43:22 +0400275 pxa_set_ac97_info(NULL);
Dmitry Eremin-Solenikovaac42972009-02-16 20:40:55 +0300276
277 platform_add_devices(devices, ARRAY_SIZE(devices));
278}
279
280MACHINE_START(CSB726, "Cogent CSB726")
281 .phys_io = 0x40000000,
282 .boot_params = 0xa0000100,
283 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
284 .map_io = pxa_map_io,
285 .init_irq = pxa27x_init_irq,
286 .init_machine = csb726_init,
287 .timer = &pxa_timer,
288MACHINE_END