arch: syscalls: simplify uapi/kapi directory creation
[linux-2.6-microblaze.git] / arch / arm / mach-pxa / csb726.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  *  Support for Cogent CSB726
4  *
5  *  Copyright (c) 2008 Dmitry Eremin-Solenikov
6  */
7 #include <linux/kernel.h>
8 #include <linux/init.h>
9 #include <linux/io.h>
10 #include <linux/gpio/machine.h>
11 #include <linux/platform_device.h>
12 #include <linux/mtd/physmap.h>
13 #include <linux/mtd/partitions.h>
14 #include <linux/sm501.h>
15 #include <linux/smsc911x.h>
16 #include <linux/platform_data/i2c-pxa.h>
17
18 #include <asm/mach-types.h>
19 #include <asm/mach/arch.h>
20 #include "csb726.h"
21 #include "pxa27x.h"
22 #include <linux/platform_data/mmc-pxamci.h>
23 #include <linux/platform_data/usb-ohci-pxa27x.h>
24 #include <mach/audio.h>
25 #include <mach/smemc.h>
26
27 #include "generic.h"
28 #include "devices.h"
29
30 /*
31  * n/a: 2, 5, 6, 7, 8, 23, 24, 25, 26, 27, 87, 88, 89,
32  * nu: 58 -- 77, 90, 91, 93, 102, 105-108, 114-116,
33  * XXX: 21,
34  * XXX: 79 CS_3 for LAN9215 or PSKTSEL on R2, R3
35  * XXX: 33 CS_5 for LAN9215 on R1
36  */
37
38 static unsigned long csb726_pin_config[] = {
39         GPIO78_nCS_2, /* EXP_CS */
40         GPIO79_nCS_3, /* SMSC9215 */
41         GPIO80_nCS_4, /* SM501 */
42
43         GPIO52_GPIO, /* #SMSC9251 int */
44         GPIO53_GPIO, /* SM501 int */
45
46         GPIO1_GPIO, /* GPIO0 */
47         GPIO11_GPIO, /* GPIO1 */
48         GPIO9_GPIO, /* GPIO2 */
49         GPIO10_GPIO, /* GPIO3 */
50         GPIO16_PWM0_OUT, /* or GPIO4 */
51         GPIO17_PWM1_OUT, /* or GPIO5 */
52         GPIO94_GPIO, /* GPIO6 */
53         GPIO95_GPIO, /* GPIO7 */
54         GPIO96_GPIO, /* GPIO8 */
55         GPIO97_GPIO, /* GPIO9 */
56         GPIO15_GPIO, /* EXP_IRQ */
57         GPIO18_RDY, /* EXP_WAIT */
58
59         GPIO0_GPIO, /* PWR_INT */
60         GPIO104_GPIO, /* PWR_OFF */
61
62         GPIO12_GPIO, /* touch irq */
63
64         GPIO13_SSP2_TXD,
65         GPIO14_SSP2_SFRM,
66         MFP_CFG_OUT(GPIO19, AF1, DRIVE_LOW),/* SSP2_SYSCLK */
67         GPIO22_SSP2_SCLK,
68
69         GPIO81_SSP3_TXD,
70         GPIO82_SSP3_RXD,
71         GPIO83_SSP3_SFRM,
72         GPIO84_SSP3_SCLK,
73
74         GPIO20_GPIO, /* SDIO int */
75         GPIO32_MMC_CLK,
76         GPIO92_MMC_DAT_0,
77         GPIO109_MMC_DAT_1,
78         GPIO110_MMC_DAT_2,
79         GPIO111_MMC_DAT_3,
80         GPIO112_MMC_CMD,
81         GPIO100_GPIO, /* SD CD */
82         GPIO101_GPIO, /* SD WP */
83
84         GPIO28_AC97_BITCLK,
85         GPIO29_AC97_SDATA_IN_0,
86         GPIO30_AC97_SDATA_OUT,
87         GPIO31_AC97_SYNC,
88         GPIO113_AC97_nRESET,
89
90         GPIO34_FFUART_RXD,
91         GPIO35_FFUART_CTS,
92         GPIO36_FFUART_DCD,
93         GPIO37_FFUART_DSR,
94         GPIO38_FFUART_RI,
95         GPIO39_FFUART_TXD,
96         GPIO40_FFUART_DTR,
97         GPIO41_FFUART_RTS,
98
99         GPIO42_BTUART_RXD,
100         GPIO43_BTUART_TXD,
101         GPIO44_BTUART_CTS,
102         GPIO45_BTUART_RTS,
103
104         GPIO46_STUART_RXD,
105         GPIO47_STUART_TXD,
106
107         GPIO48_nPOE,
108         GPIO49_nPWE,
109         GPIO50_nPIOR,
110         GPIO51_nPIOW,
111         GPIO54_nPCE_2,
112         GPIO55_nPREG,
113         GPIO56_nPWAIT,
114         GPIO57_nIOIS16, /* maybe unused */
115         GPIO85_nPCE_1,
116         GPIO98_GPIO, /* CF IRQ */
117         GPIO99_GPIO, /* CF CD */
118         GPIO103_GPIO, /* Reset */
119
120         GPIO117_I2C_SCL,
121         GPIO118_I2C_SDA,
122 };
123
124 static struct pxamci_platform_data csb726_mci = {
125         .detect_delay_ms        = 500,
126         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
127         /* FIXME setpower */
128 };
129
130 static struct gpiod_lookup_table csb726_mci_gpio_table = {
131         .dev_id = "pxa2xx-mci.0",
132         .table = {
133                 /* Card detect on GPIO 100 */
134                 GPIO_LOOKUP("gpio-pxa", CSB726_GPIO_MMC_DETECT,
135                             "cd", GPIO_ACTIVE_LOW),
136                 /* Write protect on GPIO 101 */
137                 GPIO_LOOKUP("gpio-pxa", CSB726_GPIO_MMC_RO,
138                             "wp", GPIO_ACTIVE_LOW),
139                 { },
140         },
141 };
142
143 static struct pxaohci_platform_data csb726_ohci_platform_data = {
144         .port_mode      = PMM_NPS_MODE,
145         .flags          = ENABLE_PORT1 | NO_OC_PROTECTION,
146 };
147
148 static struct mtd_partition csb726_flash_partitions[] = {
149         {
150                 .name           = "Bootloader",
151                 .offset         = 0,
152                 .size           = CSB726_FLASH_uMON,
153                 .mask_flags     = MTD_WRITEABLE  /* force read-only */
154         },
155         {
156                 .name           = "root",
157                 .offset         = MTDPART_OFS_APPEND,
158                 .size           = MTDPART_SIZ_FULL,
159         }
160 };
161
162 static struct physmap_flash_data csb726_flash_data = {
163         .width          = 2,
164         .parts          = csb726_flash_partitions,
165         .nr_parts       = ARRAY_SIZE(csb726_flash_partitions),
166 };
167
168 static struct resource csb726_flash_resources[] = {
169         {
170                 .start          = PXA_CS0_PHYS,
171                 .end            = PXA_CS0_PHYS + CSB726_FLASH_SIZE - 1 ,
172                 .flags          = IORESOURCE_MEM,
173         }
174 };
175
176 static struct platform_device csb726_flash = {
177         .name           = "physmap-flash",
178         .dev            = {
179                 .platform_data  = &csb726_flash_data,
180         },
181         .resource       = csb726_flash_resources,
182         .num_resources  = ARRAY_SIZE(csb726_flash_resources),
183 };
184
185 static struct resource csb726_sm501_resources[] = {
186         {
187                 .start          = PXA_CS4_PHYS,
188                 .end            = PXA_CS4_PHYS + SZ_8M - 1,
189                 .flags          = IORESOURCE_MEM,
190                 .name           = "sm501-localmem",
191         },
192         {
193                 .start          = PXA_CS4_PHYS + SZ_64M - SZ_2M,
194                 .end            = PXA_CS4_PHYS + SZ_64M - 1,
195                 .flags          = IORESOURCE_MEM,
196                 .name           = "sm501-regs",
197         },
198         {
199                 .start          = CSB726_IRQ_SM501,
200                 .end            = CSB726_IRQ_SM501,
201                 .flags          = IORESOURCE_IRQ,
202         },
203 };
204
205 static struct sm501_initdata csb726_sm501_initdata = {
206 /*      .devices        = SM501_USE_USB_HOST, */
207         .devices        = SM501_USE_USB_HOST | SM501_USE_UART0 | SM501_USE_UART1,
208 };
209
210 static struct sm501_platdata csb726_sm501_platdata = {
211         .init           = &csb726_sm501_initdata,
212 };
213
214 static struct platform_device csb726_sm501 = {
215         .name           = "sm501",
216         .id             = 0,
217         .num_resources  = ARRAY_SIZE(csb726_sm501_resources),
218         .resource       = csb726_sm501_resources,
219         .dev            = {
220                 .platform_data = &csb726_sm501_platdata,
221         },
222 };
223
224 static struct resource csb726_lan_resources[] = {
225         {
226                 .start  = PXA_CS3_PHYS,
227                 .end    = PXA_CS3_PHYS + SZ_64K - 1,
228                 .flags  = IORESOURCE_MEM,
229         },
230         {
231                 .start  = CSB726_IRQ_LAN,
232                 .end    = CSB726_IRQ_LAN,
233                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
234         },
235 };
236
237 struct smsc911x_platform_config csb726_lan_config = {
238         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
239         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
240         .flags          = SMSC911X_USE_32BIT,
241         .phy_interface  = PHY_INTERFACE_MODE_MII,
242 };
243
244
245 static struct platform_device csb726_lan = {
246         .name           = "smsc911x",
247         .id             = -1,
248         .num_resources  = ARRAY_SIZE(csb726_lan_resources),
249         .resource       = csb726_lan_resources,
250         .dev            = {
251                 .platform_data  = &csb726_lan_config,
252         },
253 };
254
255 static struct platform_device *devices[] __initdata = {
256         &csb726_flash,
257         &csb726_sm501,
258         &csb726_lan,
259 };
260
261 static void __init csb726_init(void)
262 {
263         pxa2xx_mfp_config(ARRAY_AND_SIZE(csb726_pin_config));
264 /*      __raw_writel(0x7ffc3ffc, MSC1); *//* LAN9215/EXP_CS */
265 /*      __raw_writel(0x06697ff4, MSC2); *//* none/SM501 */
266         __raw_writel((__raw_readl(MSC2) & ~0xffff) | 0x7ff4, MSC2); /* SM501 */
267
268         pxa_set_ffuart_info(NULL);
269         pxa_set_btuart_info(NULL);
270         pxa_set_stuart_info(NULL);
271         pxa_set_i2c_info(NULL);
272         pxa27x_set_i2c_power_info(NULL);
273         gpiod_add_lookup_table(&csb726_mci_gpio_table);
274         pxa_set_mci_info(&csb726_mci);
275         pxa_set_ohci_info(&csb726_ohci_platform_data);
276         pxa_set_ac97_info(NULL);
277
278         platform_add_devices(devices, ARRAY_SIZE(devices));
279 }
280
281 MACHINE_START(CSB726, "Cogent CSB726")
282         .atag_offset    = 0x100,
283         .map_io         = pxa27x_map_io,
284         .nr_irqs        = PXA_NR_IRQS,
285         .init_irq       = pxa27x_init_irq,
286         .handle_irq       = pxa27x_handle_irq,
287         .init_machine   = csb726_init,
288         .init_time      = pxa_timer_init,
289         .restart        = pxa_restart,
290 MACHINE_END