1/*
2 * linux/arch/arm/mach-omap1/board-perseus2.c
3 *
4 * Modified from board-generic.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#include <linux/gpio.h>
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/mtd/physmap.h>
22#include <linux/input.h>
23#include <linux/smc91x.h>
24#include <linux/omapfb.h>
25#include <linux/platform_data/keypad-omap.h>
26
27#include <asm/mach-types.h>
28#include <asm/mach/arch.h>
29#include <asm/mach/map.h>
30
31#include <mach/tc.h>
32#include <mach/mux.h>
33#include <mach/flash.h>
34
35#include <mach/hardware.h>
36
37#include "iomap.h"
38#include "common.h"
39#include "fpga.h"
40
41static const unsigned int p2_keymap[] = {
42	KEY(0, 0, KEY_UP),
43	KEY(1, 0, KEY_RIGHT),
44	KEY(2, 0, KEY_LEFT),
45	KEY(3, 0, KEY_DOWN),
46	KEY(4, 0, KEY_ENTER),
47	KEY(0, 1, KEY_F10),
48	KEY(1, 1, KEY_SEND),
49	KEY(2, 1, KEY_END),
50	KEY(3, 1, KEY_VOLUMEDOWN),
51	KEY(4, 1, KEY_VOLUMEUP),
52	KEY(5, 1, KEY_RECORD),
53	KEY(0, 2, KEY_F9),
54	KEY(1, 2, KEY_3),
55	KEY(2, 2, KEY_6),
56	KEY(3, 2, KEY_9),
57	KEY(4, 2, KEY_KPDOT),
58	KEY(0, 3, KEY_BACK),
59	KEY(1, 3, KEY_2),
60	KEY(2, 3, KEY_5),
61	KEY(3, 3, KEY_8),
62	KEY(4, 3, KEY_0),
63	KEY(5, 3, KEY_KPSLASH),
64	KEY(0, 4, KEY_HOME),
65	KEY(1, 4, KEY_1),
66	KEY(2, 4, KEY_4),
67	KEY(3, 4, KEY_7),
68	KEY(4, 4, KEY_KPASTERISK),
69	KEY(5, 4, KEY_POWER),
70};
71
72static struct smc91x_platdata smc91x_info = {
73	.flags	= SMC91X_USE_16BIT | SMC91X_NOWAIT,
74	.leda	= RPC_LED_100_10,
75	.ledb	= RPC_LED_TX_RX,
76};
77
78static struct resource smc91x_resources[] = {
79	[0] = {
80		.start	= H2P2_DBG_FPGA_ETHR_START,	/* Physical */
81		.end	= H2P2_DBG_FPGA_ETHR_START + 0xf,
82		.flags	= IORESOURCE_MEM,
83	},
84	[1] = {
85		.start	= INT_7XX_MPU_EXT_NIRQ,
86		.end	= 0,
87		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
88	},
89};
90
91static struct mtd_partition nor_partitions[] = {
92	/* bootloader (U-Boot, etc) in first sector */
93	{
94	      .name		= "bootloader",
95	      .offset		= 0,
96	      .size		= SZ_128K,
97	      .mask_flags	= MTD_WRITEABLE, /* force read-only */
98	},
99	/* bootloader params in the next sector */
100	{
101	      .name		= "params",
102	      .offset		= MTDPART_OFS_APPEND,
103	      .size		= SZ_128K,
104	      .mask_flags	= 0,
105	},
106	/* kernel */
107	{
108	      .name		= "kernel",
109	      .offset		= MTDPART_OFS_APPEND,
110	      .size		= SZ_2M,
111	      .mask_flags	= 0
112	},
113	/* rest of flash is a file system */
114	{
115	      .name		= "rootfs",
116	      .offset		= MTDPART_OFS_APPEND,
117	      .size		= MTDPART_SIZ_FULL,
118	      .mask_flags	= 0
119	},
120};
121
122static struct physmap_flash_data nor_data = {
123	.width		= 2,
124	.set_vpp	= omap1_set_vpp,
125	.parts		= nor_partitions,
126	.nr_parts	= ARRAY_SIZE(nor_partitions),
127};
128
129static struct resource nor_resource = {
130	.start		= OMAP_CS0_PHYS,
131	.end		= OMAP_CS0_PHYS + SZ_32M - 1,
132	.flags		= IORESOURCE_MEM,
133};
134
135static struct platform_device nor_device = {
136	.name		= "physmap-flash",
137	.id		= 0,
138	.dev		= {
139		.platform_data	= &nor_data,
140	},
141	.num_resources	= 1,
142	.resource	= &nor_resource,
143};
144
145#define P2_NAND_RB_GPIO_PIN	62
146
147static int nand_dev_ready(struct mtd_info *mtd)
148{
149	return gpio_get_value(P2_NAND_RB_GPIO_PIN);
150}
151
152static struct platform_nand_data nand_data = {
153	.chip	= {
154		.nr_chips		= 1,
155		.chip_offset		= 0,
156		.options		= NAND_SAMSUNG_LP_OPTIONS,
157	},
158	.ctrl	= {
159		.cmd_ctrl	= omap1_nand_cmd_ctl,
160		.dev_ready	= nand_dev_ready,
161	},
162};
163
164static struct resource nand_resource = {
165	.start		= OMAP_CS3_PHYS,
166	.end		= OMAP_CS3_PHYS + SZ_4K - 1,
167	.flags		= IORESOURCE_MEM,
168};
169
170static struct platform_device nand_device = {
171	.name		= "gen_nand",
172	.id		= 0,
173	.dev		= {
174		.platform_data	= &nand_data,
175	},
176	.num_resources	= 1,
177	.resource	= &nand_resource,
178};
179
180static struct platform_device smc91x_device = {
181	.name		= "smc91x",
182	.id		= 0,
183	.dev	= {
184		.platform_data	= &smc91x_info,
185	},
186	.num_resources	= ARRAY_SIZE(smc91x_resources),
187	.resource	= smc91x_resources,
188};
189
190static struct resource kp_resources[] = {
191	[0] = {
192		.start	= INT_7XX_MPUIO_KEYPAD,
193		.end	= INT_7XX_MPUIO_KEYPAD,
194		.flags	= IORESOURCE_IRQ,
195	},
196};
197
198static const struct matrix_keymap_data p2_keymap_data = {
199	.keymap		= p2_keymap,
200	.keymap_size	= ARRAY_SIZE(p2_keymap),
201};
202
203static struct omap_kp_platform_data kp_data = {
204	.rows		= 8,
205	.cols		= 8,
206	.keymap_data	= &p2_keymap_data,
207	.delay		= 4,
208	.dbounce	= true,
209};
210
211static struct platform_device kp_device = {
212	.name		= "omap-keypad",
213	.id		= -1,
214	.dev		= {
215		.platform_data = &kp_data,
216	},
217	.num_resources	= ARRAY_SIZE(kp_resources),
218	.resource	= kp_resources,
219};
220
221static struct platform_device *devices[] __initdata = {
222	&nor_device,
223	&nand_device,
224	&smc91x_device,
225	&kp_device,
226};
227
228static struct omap_lcd_config perseus2_lcd_config __initdata = {
229	.ctrl_name	= "internal",
230};
231
232static void __init perseus2_init_smc91x(void)
233{
234	__raw_writeb(1, H2P2_DBG_FPGA_LAN_RESET);
235	mdelay(50);
236	__raw_writeb(__raw_readb(H2P2_DBG_FPGA_LAN_RESET) & ~1,
237		   H2P2_DBG_FPGA_LAN_RESET);
238	mdelay(50);
239}
240
241static void __init omap_perseus2_init(void)
242{
243	/* Early, board-dependent init */
244
245	/*
246	 * Hold GSM Reset until needed
247	 */
248	omap_writew(omap_readw(OMAP7XX_DSP_M_CTL) & ~1, OMAP7XX_DSP_M_CTL);
249
250	/*
251	 * UARTs -> done automagically by 8250 driver
252	 */
253
254	/*
255	 * CSx timings, GPIO Mux ... setup
256	 */
257
258	/* Flash: CS0 timings setup */
259	omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_0);
260	omap_writel(0x00000088, OMAP7XX_FLASH_ACFG_0);
261
262	/*
263	 * Ethernet support through the debug board
264	 * CS1 timings setup
265	 */
266	omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_1);
267	omap_writel(0x00000000, OMAP7XX_FLASH_ACFG_1);
268
269	/*
270	 * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
271	 * It is used as the Ethernet controller interrupt
272	 */
273	omap_writel(omap_readl(OMAP7XX_IO_CONF_9) & 0x1FFFFFFF,
274				OMAP7XX_IO_CONF_9);
275
276	perseus2_init_smc91x();
277
278	BUG_ON(gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0);
279	gpio_direction_input(P2_NAND_RB_GPIO_PIN);
280
281	omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
282	omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
283
284	/* Mux pins for keypad */
285	omap_cfg_reg(E2_7XX_KBR0);
286	omap_cfg_reg(J7_7XX_KBR1);
287	omap_cfg_reg(E1_7XX_KBR2);
288	omap_cfg_reg(F3_7XX_KBR3);
289	omap_cfg_reg(D2_7XX_KBR4);
290	omap_cfg_reg(C2_7XX_KBC0);
291	omap_cfg_reg(D3_7XX_KBC1);
292	omap_cfg_reg(E4_7XX_KBC2);
293	omap_cfg_reg(F4_7XX_KBC3);
294	omap_cfg_reg(E3_7XX_KBC4);
295
296	platform_add_devices(devices, ARRAY_SIZE(devices));
297
298	omap_serial_init();
299	omap_register_i2c_bus(1, 100, NULL, 0);
300
301	omapfb_set_lcd_config(&perseus2_lcd_config);
302}
303
304/* Only FPGA needs to be mapped here. All others are done with ioremap */
305static struct map_desc omap_perseus2_io_desc[] __initdata = {
306	{
307		.virtual	= H2P2_DBG_FPGA_BASE,
308		.pfn		= __phys_to_pfn(H2P2_DBG_FPGA_START),
309		.length		= H2P2_DBG_FPGA_SIZE,
310		.type		= MT_DEVICE
311	}
312};
313
314static void __init omap_perseus2_map_io(void)
315{
316	omap7xx_map_io();
317	iotable_init(omap_perseus2_io_desc,
318		     ARRAY_SIZE(omap_perseus2_io_desc));
319}
320
321MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
322	/* Maintainer: Kevin Hilman <kjh@hilman.org> */
323	.atag_offset	= 0x100,
324	.map_io		= omap_perseus2_map_io,
325	.init_early     = omap1_init_early,
326	.init_irq	= omap1_init_irq,
327	.init_machine	= omap_perseus2_init,
328	.init_late	= omap1_init_late,
329	.init_time	= omap1_timer_init,
330	.restart	= omap1_restart,
331MACHINE_END
332