include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[linux-3.10.git] / arch / arm / mach-ixp4xx / ixdp425-setup.c
1 /*
2  * arch/arm/mach-ixp4xx/ixdp425-setup.c
3  *
4  * IXDP425/IXCDP1100 board-setup
5  *
6  * Copyright (C) 2003-2005 MontaVista Software, Inc.
7  *
8  * Author: Deepak Saxena <dsaxena@plexity.net>
9  */
10
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/device.h>
14 #include <linux/serial.h>
15 #include <linux/tty.h>
16 #include <linux/serial_8250.h>
17 #include <linux/i2c-gpio.h>
18 #include <linux/io.h>
19 #include <linux/mtd/mtd.h>
20 #include <linux/mtd/nand.h>
21 #include <linux/mtd/partitions.h>
22 #include <linux/delay.h>
23 #include <asm/types.h>
24 #include <asm/setup.h>
25 #include <asm/memory.h>
26 #include <mach/hardware.h>
27 #include <asm/mach-types.h>
28 #include <asm/irq.h>
29 #include <asm/mach/arch.h>
30 #include <asm/mach/flash.h>
31
32 #define IXDP425_SDA_PIN         7
33 #define IXDP425_SCL_PIN         6
34
35 /* NAND Flash pins */
36 #define IXDP425_NAND_NCE_PIN    12
37
38 #define IXDP425_NAND_CMD_BYTE   0x01
39 #define IXDP425_NAND_ADDR_BYTE  0x02
40
41 static struct flash_platform_data ixdp425_flash_data = {
42         .map_name       = "cfi_probe",
43         .width          = 2,
44 };
45
46 static struct resource ixdp425_flash_resource = {
47         .flags          = IORESOURCE_MEM,
48 };
49
50 static struct platform_device ixdp425_flash = {
51         .name           = "IXP4XX-Flash",
52         .id             = 0,
53         .dev            = {
54                 .platform_data = &ixdp425_flash_data,
55         },
56         .num_resources  = 1,
57         .resource       = &ixdp425_flash_resource,
58 };
59
60 #if defined(CONFIG_MTD_NAND_PLATFORM) || \
61     defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
62
63 #ifdef CONFIG_MTD_PARTITIONS
64 const char *part_probes[] = { "cmdlinepart", NULL };
65
66 static struct mtd_partition ixdp425_partitions[] = {
67         {
68                 .name   = "ixp400 NAND FS 0",
69                 .offset = 0,
70                 .size   = SZ_8M
71         }, {
72                 .name   = "ixp400 NAND FS 1",
73                 .offset = MTDPART_OFS_APPEND,
74                 .size   = MTDPART_SIZ_FULL
75         },
76 };
77 #endif
78
79 static void
80 ixdp425_flash_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
81 {
82         struct nand_chip *this = mtd->priv;
83         int offset = (int)this->priv;
84
85         if (ctrl & NAND_CTRL_CHANGE) {
86                 if (ctrl & NAND_NCE) {
87                         gpio_line_set(IXDP425_NAND_NCE_PIN, IXP4XX_GPIO_LOW);
88                         udelay(5);
89                 } else
90                         gpio_line_set(IXDP425_NAND_NCE_PIN, IXP4XX_GPIO_HIGH);
91
92                 offset = (ctrl & NAND_CLE) ? IXDP425_NAND_CMD_BYTE : 0;
93                 offset |= (ctrl & NAND_ALE) ? IXDP425_NAND_ADDR_BYTE : 0;
94                 this->priv = (void *)offset;
95         }
96
97         if (cmd != NAND_CMD_NONE)
98                 writeb(cmd, this->IO_ADDR_W + offset);
99 }
100
101 static struct platform_nand_data ixdp425_flash_nand_data = {
102         .chip = {
103                 .chip_delay             = 30,
104                 .options                = NAND_NO_AUTOINCR,
105 #ifdef CONFIG_MTD_PARTITIONS
106                 .part_probe_types       = part_probes,
107                 .partitions             = ixdp425_partitions,
108                 .nr_partitions          = ARRAY_SIZE(ixdp425_partitions),
109 #endif
110         },
111         .ctrl = {
112                 .cmd_ctrl               = ixdp425_flash_nand_cmd_ctrl
113         }
114 };
115
116 static struct resource ixdp425_flash_nand_resource = {
117         .flags          = IORESOURCE_MEM,
118 };
119
120 static struct platform_device ixdp425_flash_nand = {
121         .name           = "gen_nand",
122         .id             = -1,
123         .dev            = {
124                 .platform_data = &ixdp425_flash_nand_data,
125         },
126         .num_resources  = 1,
127         .resource       = &ixdp425_flash_nand_resource,
128 };
129 #endif  /* CONFIG_MTD_NAND_PLATFORM */
130
131 static struct i2c_gpio_platform_data ixdp425_i2c_gpio_data = {
132         .sda_pin        = IXDP425_SDA_PIN,
133         .scl_pin        = IXDP425_SCL_PIN,
134 };
135
136 static struct platform_device ixdp425_i2c_gpio = {
137         .name           = "i2c-gpio",
138         .id             = 0,
139         .dev     = {
140                 .platform_data  = &ixdp425_i2c_gpio_data,
141         },
142 };
143
144 static struct resource ixdp425_uart_resources[] = {
145         {
146                 .start          = IXP4XX_UART1_BASE_PHYS,
147                 .end            = IXP4XX_UART1_BASE_PHYS + 0x0fff,
148                 .flags          = IORESOURCE_MEM
149         },
150         {
151                 .start          = IXP4XX_UART2_BASE_PHYS,
152                 .end            = IXP4XX_UART2_BASE_PHYS + 0x0fff,
153                 .flags          = IORESOURCE_MEM
154         }
155 };
156
157 static struct plat_serial8250_port ixdp425_uart_data[] = {
158         {
159                 .mapbase        = IXP4XX_UART1_BASE_PHYS,
160                 .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
161                 .irq            = IRQ_IXP4XX_UART1,
162                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
163                 .iotype         = UPIO_MEM,
164                 .regshift       = 2,
165                 .uartclk        = IXP4XX_UART_XTAL,
166         },
167         {
168                 .mapbase        = IXP4XX_UART2_BASE_PHYS,
169                 .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
170                 .irq            = IRQ_IXP4XX_UART2,
171                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
172                 .iotype         = UPIO_MEM,
173                 .regshift       = 2,
174                 .uartclk        = IXP4XX_UART_XTAL,
175         },
176         { },
177 };
178
179 static struct platform_device ixdp425_uart = {
180         .name                   = "serial8250",
181         .id                     = PLAT8250_DEV_PLATFORM,
182         .dev.platform_data      = ixdp425_uart_data,
183         .num_resources          = 2,
184         .resource               = ixdp425_uart_resources
185 };
186
187 /* Built-in 10/100 Ethernet MAC interfaces */
188 static struct eth_plat_info ixdp425_plat_eth[] = {
189         {
190                 .phy            = 0,
191                 .rxq            = 3,
192                 .txreadyq       = 20,
193         }, {
194                 .phy            = 1,
195                 .rxq            = 4,
196                 .txreadyq       = 21,
197         }
198 };
199
200 static struct platform_device ixdp425_eth[] = {
201         {
202                 .name                   = "ixp4xx_eth",
203                 .id                     = IXP4XX_ETH_NPEB,
204                 .dev.platform_data      = ixdp425_plat_eth,
205         }, {
206                 .name                   = "ixp4xx_eth",
207                 .id                     = IXP4XX_ETH_NPEC,
208                 .dev.platform_data      = ixdp425_plat_eth + 1,
209         }
210 };
211
212 static struct platform_device *ixdp425_devices[] __initdata = {
213         &ixdp425_i2c_gpio,
214         &ixdp425_flash,
215 #if defined(CONFIG_MTD_NAND_PLATFORM) || \
216     defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
217         &ixdp425_flash_nand,
218 #endif
219         &ixdp425_uart,
220         &ixdp425_eth[0],
221         &ixdp425_eth[1],
222 };
223
224 static void __init ixdp425_init(void)
225 {
226         ixp4xx_sys_init();
227
228         ixdp425_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
229         ixdp425_flash_resource.end =
230                 IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
231
232 #if defined(CONFIG_MTD_NAND_PLATFORM) || \
233     defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
234         ixdp425_flash_nand_resource.start = IXP4XX_EXP_BUS_BASE(3),
235         ixdp425_flash_nand_resource.end   = IXP4XX_EXP_BUS_BASE(3) + 0x10 - 1;
236
237         gpio_line_config(IXDP425_NAND_NCE_PIN, IXP4XX_GPIO_OUT);
238
239         /* Configure expansion bus for NAND Flash */
240         *IXP4XX_EXP_CS3 = IXP4XX_EXP_BUS_CS_EN |
241                           IXP4XX_EXP_BUS_STROBE_T(1) |  /* extend by 1 clock */
242                           IXP4XX_EXP_BUS_CYCLES(0) |    /* Intel cycles */
243                           IXP4XX_EXP_BUS_SIZE(0) |      /* 512bytes addr space*/
244                           IXP4XX_EXP_BUS_WR_EN |
245                           IXP4XX_EXP_BUS_BYTE_EN;       /* 8 bit data bus */
246 #endif
247
248         if (cpu_is_ixp43x()) {
249                 ixdp425_uart.num_resources = 1;
250                 ixdp425_uart_data[1].flags = 0;
251         }
252
253         platform_add_devices(ixdp425_devices, ARRAY_SIZE(ixdp425_devices));
254 }
255
256 #ifdef CONFIG_ARCH_IXDP425
257 MACHINE_START(IXDP425, "Intel IXDP425 Development Platform")
258         /* Maintainer: MontaVista Software, Inc. */
259         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
260         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
261         .map_io         = ixp4xx_map_io,
262         .init_irq       = ixp4xx_init_irq,
263         .timer          = &ixp4xx_timer,
264         .boot_params    = 0x0100,
265         .init_machine   = ixdp425_init,
266 MACHINE_END
267 #endif
268
269 #ifdef CONFIG_MACH_IXDP465
270 MACHINE_START(IXDP465, "Intel IXDP465 Development Platform")
271         /* Maintainer: MontaVista Software, Inc. */
272         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
273         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
274         .map_io         = ixp4xx_map_io,
275         .init_irq       = ixp4xx_init_irq,
276         .timer          = &ixp4xx_timer,
277         .boot_params    = 0x0100,
278         .init_machine   = ixdp425_init,
279 MACHINE_END
280 #endif
281
282 #ifdef CONFIG_ARCH_PRPMC1100
283 MACHINE_START(IXCDP1100, "Intel IXCDP1100 Development Platform")
284         /* Maintainer: MontaVista Software, Inc. */
285         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
286         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
287         .map_io         = ixp4xx_map_io,
288         .init_irq       = ixp4xx_init_irq,
289         .timer          = &ixp4xx_timer,
290         .boot_params    = 0x0100,
291         .init_machine   = ixdp425_init,
292 MACHINE_END
293 #endif
294
295 #ifdef CONFIG_MACH_KIXRP435
296 MACHINE_START(KIXRP435, "Intel KIXRP435 Reference Platform")
297         /* Maintainer: MontaVista Software, Inc. */
298         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
299         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
300         .map_io         = ixp4xx_map_io,
301         .init_irq       = ixp4xx_init_irq,
302         .timer          = &ixp4xx_timer,
303         .boot_params    = 0x0100,
304         .init_machine   = ixdp425_init,
305 MACHINE_END
306 #endif