2 * linux/arch/arm/mach-omap1/board-h2.c
4 * Board specific inits for OMAP-1610 H2
6 * Copyright (C) 2001 RidgeRun, Inc.
7 * Author: Greg Lonnon <glonnon@ridgerun.com>
9 * Copyright (C) 2002 MontaVista Software, Inc.
11 * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
12 * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
14 * H2 specific changes and cleanup
15 * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License version 2 as
19 * published by the Free Software Foundation.
22 #include <linux/kernel.h>
23 #include <linux/platform_device.h>
24 #include <linux/delay.h>
25 #include <linux/i2c.h>
26 #include <linux/mtd/mtd.h>
27 #include <linux/mtd/nand.h>
28 #include <linux/mtd/partitions.h>
29 #include <linux/input.h>
30 #include <linux/i2c/tps65010.h>
31 #include <linux/smc91x.h>
33 #include <mach/hardware.h>
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/flash.h>
39 #include <asm/mach/map.h>
44 #include <plat/nand.h>
45 #include <plat/irda.h>
47 #include <plat/keypad.h>
48 #include <plat/common.h>
52 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
53 #define OMAP1610_ETHR_START 0x04000300
55 static int h2_keymap
[] = {
94 static struct mtd_partition h2_nor_partitions
[] = {
95 /* bootloader (U-Boot, etc) in first sector */
100 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
102 /* bootloader params in the next sector */
105 .offset
= MTDPART_OFS_APPEND
,
112 .offset
= MTDPART_OFS_APPEND
,
118 .name
= "filesystem",
119 .offset
= MTDPART_OFS_APPEND
,
120 .size
= MTDPART_SIZ_FULL
,
125 static struct flash_platform_data h2_nor_data
= {
126 .map_name
= "cfi_probe",
128 .parts
= h2_nor_partitions
,
129 .nr_parts
= ARRAY_SIZE(h2_nor_partitions
),
132 static struct resource h2_nor_resource
= {
133 /* This is on CS3, wherever it's mapped */
134 .flags
= IORESOURCE_MEM
,
137 static struct platform_device h2_nor_device
= {
141 .platform_data
= &h2_nor_data
,
144 .resource
= &h2_nor_resource
,
147 static struct mtd_partition h2_nand_partitions
[] = {
149 /* REVISIT: enable these partitions if you make NAND BOOT
150 * work on your H2 (rev C or newer); published versions of
151 * x-load only support P2 and H3.
157 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
160 .name
= "bootloader",
161 .offset
= MTDPART_OFS_APPEND
,
163 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
167 .offset
= MTDPART_OFS_APPEND
,
172 .offset
= MTDPART_OFS_APPEND
,
177 .name
= "filesystem",
178 .size
= MTDPART_SIZ_FULL
,
179 .offset
= MTDPART_OFS_APPEND
,
183 /* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
184 static struct omap_nand_platform_data h2_nand_data
= {
185 .options
= NAND_SAMSUNG_LP_OPTIONS
,
186 .parts
= h2_nand_partitions
,
187 .nr_parts
= ARRAY_SIZE(h2_nand_partitions
),
190 static struct resource h2_nand_resource
= {
191 .flags
= IORESOURCE_MEM
,
194 static struct platform_device h2_nand_device
= {
198 .platform_data
= &h2_nand_data
,
201 .resource
= &h2_nand_resource
,
204 static struct smc91x_platdata h2_smc91x_info
= {
205 .flags
= SMC91X_USE_16BIT
| SMC91X_NOWAIT
,
206 .leda
= RPC_LED_100_10
,
207 .ledb
= RPC_LED_TX_RX
,
210 static struct resource h2_smc91x_resources
[] = {
212 .start
= OMAP1610_ETHR_START
, /* Physical */
213 .end
= OMAP1610_ETHR_START
+ 0xf,
214 .flags
= IORESOURCE_MEM
,
217 .start
= OMAP_GPIO_IRQ(0),
218 .end
= OMAP_GPIO_IRQ(0),
219 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_LOWEDGE
,
223 static struct platform_device h2_smc91x_device
= {
227 .platform_data
= &h2_smc91x_info
,
229 .num_resources
= ARRAY_SIZE(h2_smc91x_resources
),
230 .resource
= h2_smc91x_resources
,
233 static struct resource h2_kp_resources
[] = {
235 .start
= INT_KEYBOARD
,
237 .flags
= IORESOURCE_IRQ
,
241 static struct omap_kp_platform_data h2_kp_data
= {
245 .keymapsize
= ARRAY_SIZE(h2_keymap
),
251 static struct platform_device h2_kp_device
= {
252 .name
= "omap-keypad",
255 .platform_data
= &h2_kp_data
,
257 .num_resources
= ARRAY_SIZE(h2_kp_resources
),
258 .resource
= h2_kp_resources
,
261 #define H2_IRDA_FIRSEL_GPIO_PIN 17
263 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
264 static int h2_transceiver_mode(struct device
*dev
, int state
)
266 /* SIR when low, else MIR/FIR when HIGH */
267 gpio_set_value(H2_IRDA_FIRSEL_GPIO_PIN
, !(state
& IR_SIRMODE
));
272 static struct omap_irda_config h2_irda_data
= {
273 .transceiver_cap
= IR_SIRMODE
| IR_MIRMODE
| IR_FIRMODE
,
274 .rx_channel
= OMAP_DMA_UART3_RX
,
275 .tx_channel
= OMAP_DMA_UART3_TX
,
276 .dest_start
= UART3_THR
,
277 .src_start
= UART3_RHR
,
282 static struct resource h2_irda_resources
[] = {
286 .flags
= IORESOURCE_IRQ
,
290 static u64 irda_dmamask
= 0xffffffff;
292 static struct platform_device h2_irda_device
= {
296 .platform_data
= &h2_irda_data
,
297 .dma_mask
= &irda_dmamask
,
299 .num_resources
= ARRAY_SIZE(h2_irda_resources
),
300 .resource
= h2_irda_resources
,
303 static struct platform_device h2_lcd_device
= {
308 static struct platform_device
*h2_devices
[] __initdata
= {
317 static void __init
h2_init_smc91x(void)
319 if (gpio_request(0, "SMC91x irq") < 0) {
320 printk("Error requesting gpio 0 for smc91x irq\n");
325 static int tps_setup(struct i2c_client
*client
, void *context
)
327 tps65010_config_vregs1(TPS_LDO2_ENABLE
| TPS_VLDO2_3_0V
|
328 TPS_LDO1_ENABLE
| TPS_VLDO1_3_0V
);
333 static struct tps65010_board tps_board
= {
334 .base
= H2_TPS_GPIO_BASE
,
339 static struct i2c_board_info __initdata h2_i2c_board_info
[] = {
341 I2C_BOARD_INFO("tps65010", 0x48),
342 .irq
= OMAP_GPIO_IRQ(58),
343 .platform_data
= &tps_board
,
345 I2C_BOARD_INFO("isp1301_omap", 0x2d),
346 .irq
= OMAP_GPIO_IRQ(2),
350 static void __init
h2_init_irq(void)
352 omap1_init_common_hw();
358 static struct omap_usb_config h2_usb_config __initdata
= {
359 /* usb1 has a Mini-AB port and external isp1301 transceiver */
362 #ifdef CONFIG_USB_GADGET_OMAP
363 .hmc_mode
= 19, /* 0:host(off) 1:dev|otg 2:disabled */
364 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
365 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
366 /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
367 .hmc_mode
= 20, /* 1:dev|otg(off) 1:host 2:disabled */
373 static struct omap_lcd_config h2_lcd_config __initdata
= {
374 .ctrl_name
= "internal",
377 static struct omap_board_config_kernel h2_config
[] __initdata
= {
378 { OMAP_TAG_LCD
, &h2_lcd_config
},
381 #define H2_NAND_RB_GPIO_PIN 62
383 static void __init
h2_init(void)
385 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
386 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
387 * notice whether a NAND chip is enabled at probe time.
389 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
390 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try
391 * detecting that in code here, to avoid probing every possible flash
394 h2_nor_resource
.end
= h2_nor_resource
.start
= omap_cs3_phys();
395 h2_nor_resource
.end
+= SZ_32M
- 1;
397 h2_nand_resource
.end
= h2_nand_resource
.start
= OMAP_CS2B_PHYS
;
398 h2_nand_resource
.end
+= SZ_4K
- 1;
399 if (gpio_request(H2_NAND_RB_GPIO_PIN
, "NAND ready") < 0)
401 gpio_direction_input(H2_NAND_RB_GPIO_PIN
);
403 omap_cfg_reg(L3_1610_FLASH_CS2B_OE
);
404 omap_cfg_reg(M8_1610_FLASH_CS2B_WE
);
406 /* MMC: card detect and WP */
407 /* omap_cfg_reg(U19_ARMIO1); */ /* CD */
408 omap_cfg_reg(BALLOUT_V8_ARMIO3
); /* WP */
411 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
412 omap_writel(omap_readl(FUNC_MUX_CTRL_A
) | 7, FUNC_MUX_CTRL_A
);
413 if (gpio_request(H2_IRDA_FIRSEL_GPIO_PIN
, "IRDA mode") < 0)
415 gpio_direction_output(H2_IRDA_FIRSEL_GPIO_PIN
, 0);
416 h2_irda_data
.transceiver_mode
= h2_transceiver_mode
;
419 platform_add_devices(h2_devices
, ARRAY_SIZE(h2_devices
));
420 omap_board_config
= h2_config
;
421 omap_board_config_size
= ARRAY_SIZE(h2_config
);
423 omap_register_i2c_bus(1, 100, h2_i2c_board_info
,
424 ARRAY_SIZE(h2_i2c_board_info
));
425 omap_usb_init(&h2_usb_config
);
429 static void __init
h2_map_io(void)
431 omap1_map_common_io();
434 MACHINE_START(OMAP_H2
, "TI-H2")
435 /* Maintainer: Imre Deak <imre.deak@nokia.com> */
436 .phys_io
= 0xfff00000,
437 .io_pg_offst
= ((0xfef00000) >> 18) & 0xfffc,
438 .boot_params
= 0x10000100,
440 .init_irq
= h2_init_irq
,
441 .init_machine
= h2_init
,
442 .timer
= &omap_timer
,