2 * Support for Cogent CSB726
4 * Copyright (c) 2008 Dmitry Eremin-Solenikov
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.
11 #include <linux/kernel.h>
12 #include <linux/init.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>
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23 #include <mach/csb726.h>
24 #include <mach/mfp-pxa27x.h>
27 #include <mach/ohci.h>
28 #include <mach/pxa2xx-regs.h>
29 #include <mach/audio.h>
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,
38 * XXX: 79 CS_3 for LAN9215 or PSKTSEL on R2, R3
39 * XXX: 33 CS_5 for LAN9215 on R1
42 static unsigned long csb726_pin_config
[] = {
43 GPIO78_nCS_2
, /* EXP_CS */
44 GPIO79_nCS_3
, /* SMSC9215 */
45 GPIO80_nCS_4
, /* SM501 */
47 GPIO52_GPIO
, /* #SMSC9251 int */
48 GPIO53_GPIO
, /* SM501 int */
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 */
63 GPIO0_GPIO
, /* PWR_INT */
64 GPIO104_GPIO
, /* PWR_OFF */
66 GPIO12_GPIO
, /* touch irq */
70 MFP_CFG_OUT(GPIO19
, AF1
, DRIVE_LOW
),/* SSP2_SYSCLK */
78 GPIO20_GPIO
, /* SDIO int */
85 GPIO100_GPIO
, /* SD CD */
86 GPIO101_GPIO
, /* SD WP */
89 GPIO29_AC97_SDATA_IN_0
,
90 GPIO30_AC97_SDATA_OUT
,
118 GPIO57_nIOIS16
, /* maybe unused */
120 GPIO98_GPIO
, /* CF IRQ */
121 GPIO99_GPIO
, /* CF CD */
122 GPIO103_GPIO
, /* Reset */
128 static struct pxamci_platform_data csb726_mci_data
;
130 static int csb726_mci_init(struct device
*dev
,
131 irq_handler_t detect
, void *data
)
135 csb726_mci_data
.detect_delay
= msecs_to_jiffies(500);
137 err
= gpio_request(CSB726_GPIO_MMC_DETECT
, "MMC detect");
141 err
= gpio_direction_input(CSB726_GPIO_MMC_DETECT
);
145 err
= gpio_request(CSB726_GPIO_MMC_RO
, "MMC ro");
149 err
= gpio_direction_input(CSB726_GPIO_MMC_RO
);
153 err
= request_irq(gpio_to_irq(CSB726_GPIO_MMC_DETECT
), detect
,
154 IRQF_DISABLED
, "MMC card detect", data
);
162 gpio_free(CSB726_GPIO_MMC_RO
);
165 gpio_free(CSB726_GPIO_MMC_DETECT
);
170 static int csb726_mci_get_ro(struct device
*dev
)
172 return gpio_get_value(CSB726_GPIO_MMC_RO
);
175 static void csb726_mci_exit(struct device
*dev
, void *data
)
177 free_irq(gpio_to_irq(CSB726_GPIO_MMC_DETECT
), data
);
178 gpio_free(CSB726_GPIO_MMC_RO
);
179 gpio_free(CSB726_GPIO_MMC_DETECT
);
182 static struct pxamci_platform_data csb726_mci
= {
183 .ocr_mask
= MMC_VDD_32_33
|MMC_VDD_33_34
,
184 .init
= csb726_mci_init
,
185 .get_ro
= csb726_mci_get_ro
,
187 .exit
= csb726_mci_exit
,
190 static struct pxaohci_platform_data csb726_ohci_platform_data
= {
191 .port_mode
= PMM_NPS_MODE
,
192 .flags
= ENABLE_PORT1
| NO_OC_PROTECTION
,
195 static struct mtd_partition csb726_flash_partitions
[] = {
197 .name
= "Bootloader",
199 .size
= CSB726_FLASH_uMON
,
200 .mask_flags
= MTD_WRITEABLE
/* force read-only */
204 .offset
= MTDPART_OFS_APPEND
,
205 .size
= MTDPART_SIZ_FULL
,
209 static struct physmap_flash_data csb726_flash_data
= {
211 .parts
= csb726_flash_partitions
,
212 .nr_parts
= ARRAY_SIZE(csb726_flash_partitions
),
215 static struct resource csb726_flash_resources
[] = {
217 .start
= PXA_CS0_PHYS
,
218 .end
= PXA_CS0_PHYS
+ CSB726_FLASH_SIZE
- 1 ,
219 .flags
= IORESOURCE_MEM
,
223 static struct platform_device csb726_flash
= {
224 .name
= "physmap-flash",
226 .platform_data
= &csb726_flash_data
,
228 .resource
= csb726_flash_resources
,
229 .num_resources
= ARRAY_SIZE(csb726_flash_resources
),
232 static struct resource csb726_sm501_resources
[] = {
234 .start
= PXA_CS4_PHYS
,
235 .end
= PXA_CS4_PHYS
+ SZ_8M
- 1,
236 .flags
= IORESOURCE_MEM
,
237 .name
= "sm501-localmem",
240 .start
= PXA_CS4_PHYS
+ SZ_64M
- SZ_2M
,
241 .end
= PXA_CS4_PHYS
+ SZ_64M
- 1,
242 .flags
= IORESOURCE_MEM
,
243 .name
= "sm501-regs",
246 .start
= CSB726_IRQ_SM501
,
247 .end
= CSB726_IRQ_SM501
,
248 .flags
= IORESOURCE_IRQ
,
252 static struct sm501_initdata csb726_sm501_initdata
= {
253 /* .devices = SM501_USE_USB_HOST, */
254 .devices
= SM501_USE_USB_HOST
| SM501_USE_UART0
| SM501_USE_UART1
,
257 static struct sm501_platdata csb726_sm501_platdata
= {
258 .init
= &csb726_sm501_initdata
,
261 static struct platform_device csb726_sm501
= {
264 .num_resources
= ARRAY_SIZE(csb726_sm501_resources
),
265 .resource
= csb726_sm501_resources
,
267 .platform_data
= &csb726_sm501_platdata
,
271 static struct resource csb726_lan_resources
[] = {
273 .start
= PXA_CS3_PHYS
,
274 .end
= PXA_CS3_PHYS
+ SZ_64K
- 1,
275 .flags
= IORESOURCE_MEM
,
278 .start
= CSB726_IRQ_LAN
,
279 .end
= CSB726_IRQ_LAN
,
280 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_LOWEDGE
,
284 struct smsc911x_platform_config csb726_lan_config
= {
285 .irq_type
= SMSC911X_IRQ_POLARITY_ACTIVE_LOW
,
286 .irq_type
= SMSC911X_IRQ_TYPE_PUSH_PULL
,
287 .flags
= SMSC911X_USE_32BIT
,
288 .phy_interface
= PHY_INTERFACE_MODE_MII
,
292 static struct platform_device csb726_lan
= {
295 .num_resources
= ARRAY_SIZE(csb726_lan_resources
),
296 .resource
= csb726_lan_resources
,
298 .platform_data
= &csb726_lan_config
,
302 static struct platform_device
*devices
[] __initdata
= {
308 static void __init
csb726_init(void)
310 pxa2xx_mfp_config(ARRAY_AND_SIZE(csb726_pin_config
));
311 /* MSC1 = 0x7ffc3ffc; *//* LAN9215/EXP_CS */
312 /* MSC2 = 0x06697ff4; *//* none/SM501 */
313 MSC2
= (MSC2
& ~0xffff) | 0x7ff4; /* SM501 */
315 pxa_set_i2c_info(NULL
);
316 pxa27x_set_i2c_power_info(NULL
);
317 pxa_set_mci_info(&csb726_mci
);
318 pxa_set_ohci_info(&csb726_ohci_platform_data
);
319 pxa_set_ac97_info(NULL
);
321 platform_add_devices(devices
, ARRAY_SIZE(devices
));
324 MACHINE_START(CSB726
, "Cogent CSB726")
325 .phys_io
= 0x40000000,
326 .boot_params
= 0xa0000100,
327 .io_pg_offst
= (io_p2v(0x40000000) >> 18) & 0xfffc,
328 .map_io
= pxa_map_io
,
329 .init_irq
= pxa27x_init_irq
,
330 .init_machine
= csb726_init
,