1/*
2 * linux/arch/arm/mach-omap1/board-fsample.c
3 *
4 * Modified from board-perseus2.c
5 *
6 * Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
7 * Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/platform_device.h>
17#include <linux/delay.h>
18#include <linux/mtd/mtd.h>
19#include <linux/mtd/nand.h>
20#include <linux/mtd/partitions.h>
21#include <linux/input.h>
22
23#include <asm/hardware.h>
24#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26#include <asm/mach/flash.h>
27#include <asm/mach/map.h>
28
29#include <asm/arch/tc.h>
30#include <asm/arch/gpio.h>
31#include <asm/arch/mux.h>
32#include <asm/arch/fpga.h>
33#include <asm/arch/keypad.h>
34#include <asm/arch/common.h>
35#include <asm/arch/board.h>
36#include <asm/arch/board-fsample.h>
37
38static int fsample_keymap[] = {
39	KEY(0,0,KEY_UP),
40	KEY(0,1,KEY_RIGHT),
41	KEY(0,2,KEY_LEFT),
42	KEY(0,3,KEY_DOWN),
43	KEY(0,4,KEY_CENTER),
44	KEY(0,5,KEY_0_5),
45	KEY(1,0,KEY_SOFT2),
46	KEY(1,1,KEY_SEND),
47	KEY(1,2,KEY_END),
48	KEY(1,3,KEY_VOLUMEDOWN),
49	KEY(1,4,KEY_VOLUMEUP),
50	KEY(1,5,KEY_RECORD),
51	KEY(2,0,KEY_SOFT1),
52	KEY(2,1,KEY_3),
53	KEY(2,2,KEY_6),
54	KEY(2,3,KEY_9),
55	KEY(2,4,KEY_SHARP),
56	KEY(2,5,KEY_2_5),
57	KEY(3,0,KEY_BACK),
58	KEY(3,1,KEY_2),
59	KEY(3,2,KEY_5),
60	KEY(3,3,KEY_8),
61	KEY(3,4,KEY_0),
62	KEY(3,5,KEY_HEADSETHOOK),
63	KEY(4,0,KEY_HOME),
64	KEY(4,1,KEY_1),
65	KEY(4,2,KEY_4),
66	KEY(4,3,KEY_7),
67	KEY(4,4,KEY_STAR),
68	KEY(4,5,KEY_POWER),
69	0
70};
71
72static struct resource smc91x_resources[] = {
73	[0] = {
74		.start	= H2P2_DBG_FPGA_ETHR_START,	/* Physical */
75		.end	= H2P2_DBG_FPGA_ETHR_START + 0xf,
76		.flags	= IORESOURCE_MEM,
77	},
78	[1] = {
79		.start	= INT_730_MPU_EXT_NIRQ,
80		.end	= 0,
81		.flags	= IORESOURCE_IRQ,
82	},
83};
84
85static struct mtd_partition nor_partitions[] = {
86	/* bootloader (U-Boot, etc) in first sector */
87	{
88	      .name		= "bootloader",
89	      .offset		= 0,
90	      .size		= SZ_128K,
91	      .mask_flags	= MTD_WRITEABLE, /* force read-only */
92	},
93	/* bootloader params in the next sector */
94	{
95	      .name		= "params",
96	      .offset		= MTDPART_OFS_APPEND,
97	      .size		= SZ_128K,
98	      .mask_flags	= 0,
99	},
100	/* kernel */
101	{
102	      .name		= "kernel",
103	      .offset		= MTDPART_OFS_APPEND,
104	      .size		= SZ_2M,
105	      .mask_flags	= 0
106	},
107	/* rest of flash is a file system */
108	{
109	      .name		= "rootfs",
110	      .offset		= MTDPART_OFS_APPEND,
111	      .size		= MTDPART_SIZ_FULL,
112	      .mask_flags	= 0
113	},
114};
115
116static struct flash_platform_data nor_data = {
117	.map_name	= "cfi_probe",
118	.width		= 2,
119	.parts		= nor_partitions,
120	.nr_parts	= ARRAY_SIZE(nor_partitions),
121};
122
123static struct resource nor_resource = {
124	.start		= OMAP_CS0_PHYS,
125	.end		= OMAP_CS0_PHYS + SZ_32M - 1,
126	.flags		= IORESOURCE_MEM,
127};
128
129static struct platform_device nor_device = {
130	.name		= "omapflash",
131	.id		= 0,
132	.dev		= {
133		.platform_data	= &nor_data,
134	},
135	.num_resources	= 1,
136	.resource	= &nor_resource,
137};
138
139static struct nand_platform_data nand_data = {
140	.options	= NAND_SAMSUNG_LP_OPTIONS,
141};
142
143static struct resource nand_resource = {
144	.start		= OMAP_CS3_PHYS,
145	.end		= OMAP_CS3_PHYS + SZ_4K - 1,
146	.flags		= IORESOURCE_MEM,
147};
148
149static struct platform_device nand_device = {
150	.name		= "omapnand",
151	.id		= 0,
152	.dev		= {
153		.platform_data	= &nand_data,
154	},
155	.num_resources	= 1,
156	.resource	= &nand_resource,
157};
158
159static struct platform_device smc91x_device = {
160	.name		= "smc91x",
161	.id		= 0,
162	.num_resources	= ARRAY_SIZE(smc91x_resources),
163	.resource	= smc91x_resources,
164};
165
166static struct resource kp_resources[] = {
167	[0] = {
168		.start	= INT_730_MPUIO_KEYPAD,
169		.end	= INT_730_MPUIO_KEYPAD,
170		.flags	= IORESOURCE_IRQ,
171	},
172};
173
174static struct omap_kp_platform_data kp_data = {
175	.rows		= 8,
176	.cols		= 8,
177	.keymap		= fsample_keymap,
178	.keymapsize	= ARRAY_SIZE(fsample_keymap),
179	.delay		= 4,
180};
181
182static struct platform_device kp_device = {
183	.name		= "omap-keypad",
184	.id		= -1,
185	.dev		= {
186		.platform_data = &kp_data,
187	},
188	.num_resources	= ARRAY_SIZE(kp_resources),
189	.resource	= kp_resources,
190};
191
192static struct platform_device lcd_device = {
193	.name		= "lcd_p2",
194	.id		= -1,
195};
196
197static struct platform_device *devices[] __initdata = {
198	&nor_device,
199	&nand_device,
200	&smc91x_device,
201	&kp_device,
202	&lcd_device,
203};
204
205#define P2_NAND_RB_GPIO_PIN	62
206
207static int nand_dev_ready(struct nand_platform_data *data)
208{
209	return omap_get_gpio_datain(P2_NAND_RB_GPIO_PIN);
210}
211
212static struct omap_uart_config fsample_uart_config __initdata = {
213	.enabled_uarts = ((1 << 0) | (1 << 1)),
214};
215
216static struct omap_lcd_config fsample_lcd_config __initdata = {
217	.ctrl_name	= "internal",
218};
219
220static struct omap_board_config_kernel fsample_config[] = {
221	{ OMAP_TAG_UART,	&fsample_uart_config },
222	{ OMAP_TAG_LCD,		&fsample_lcd_config },
223};
224
225static void __init omap_fsample_init(void)
226{
227	if (!(omap_request_gpio(P2_NAND_RB_GPIO_PIN)))
228		nand_data.dev_ready = nand_dev_ready;
229
230	omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
231	omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
232
233	platform_add_devices(devices, ARRAY_SIZE(devices));
234
235	omap_board_config = fsample_config;
236	omap_board_config_size = ARRAY_SIZE(fsample_config);
237	omap_serial_init();
238}
239
240static void __init fsample_init_smc91x(void)
241{
242	fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
243	mdelay(50);
244	fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
245		   H2P2_DBG_FPGA_LAN_RESET);
246	mdelay(50);
247}
248
249static void __init omap_fsample_init_irq(void)
250{
251	omap1_init_common_hw();
252	omap_init_irq();
253	omap_gpio_init();
254	fsample_init_smc91x();
255}
256
257/* Only FPGA needs to be mapped here. All others are done with ioremap */
258static struct map_desc omap_fsample_io_desc[] __initdata = {
259	{
260		.virtual	= H2P2_DBG_FPGA_BASE,
261		.pfn		= __phys_to_pfn(H2P2_DBG_FPGA_START),
262		.length		= H2P2_DBG_FPGA_SIZE,
263		.type		= MT_DEVICE
264	},
265	{
266		.virtual	= FSAMPLE_CPLD_BASE,
267		.pfn		= __phys_to_pfn(FSAMPLE_CPLD_START),
268		.length		= FSAMPLE_CPLD_SIZE,
269		.type		= MT_DEVICE
270	}
271};
272
273static void __init omap_fsample_map_io(void)
274{
275	omap1_map_common_io();
276	iotable_init(omap_fsample_io_desc,
277		     ARRAY_SIZE(omap_fsample_io_desc));
278
279	/* Early, board-dependent init */
280
281	/*
282	 * Hold GSM Reset until needed
283	 */
284	omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
285
286	/*
287	 * UARTs -> done automagically by 8250 driver
288	 */
289
290	/*
291	 * CSx timings, GPIO Mux ... setup
292	 */
293
294	/* Flash: CS0 timings setup */
295	omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
296	omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
297
298	/*
299	 * Ethernet support through the debug board
300	 * CS1 timings setup
301	 */
302	omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
303	omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
304
305	/*
306	 * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
307	 * It is used as the Ethernet controller interrupt
308	 */
309	omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
310}
311
312MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample")
313/* Maintainer: Brian Swetland <swetland@google.com> */
314	.phys_io	= 0xfff00000,
315	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
316	.boot_params	= 0x10000100,
317	.map_io		= omap_fsample_map_io,
318	.init_irq	= omap_fsample_init_irq,
319	.init_machine	= omap_fsample_init,
320	.timer		= &omap_timer,
321MACHINE_END
322