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
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 = {
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
137static struct pxaohci_platform_data csb726_ohci_platform_data = {
138	.port_mode	= PMM_NPS_MODE,
139	.flags		= ENABLE_PORT1 | NO_OC_PROTECTION,
140};
141
142static 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
156static 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
162static 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
170static 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
179static 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
199static 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
204static struct sm501_platdata csb726_sm501_platdata = {
205	.init		= &csb726_sm501_initdata,
206};
207
208static 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
218static 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
231struct 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
239static 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
249static struct platform_device *devices[] __initdata = {
250	&csb726_flash,
251	&csb726_sm501,
252	&csb726_lan,
253};
254
255static 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
274MACHINE_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,
283MACHINE_END
284