2 * linux/arch/arm/mach-omap1/board-fsample.c
4 * Modified from board-perseus2.c
6 * Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
7 * Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
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.
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>
25 #include <mach/hardware.h>
26 #include <asm/mach-types.h>
27 #include <asm/mach/arch.h>
28 #include <asm/mach/map.h>
31 #include <mach/gpio.h>
33 #include <plat/flash.h>
34 #include <plat/fpga.h>
35 #include <plat/keypad.h>
36 #include <plat/common.h>
37 #include <plat/board.h>
39 /* fsample is pretty close to p2-sample */
41 #define fsample_cpld_read(reg) __raw_readb(reg)
42 #define fsample_cpld_write(val, reg) __raw_writeb(val, reg)
44 #define FSAMPLE_CPLD_BASE 0xE8100000
45 #define FSAMPLE_CPLD_SIZE SZ_4K
46 #define FSAMPLE_CPLD_START 0x05080000
48 #define FSAMPLE_CPLD_REG_A (FSAMPLE_CPLD_BASE + 0x00)
49 #define FSAMPLE_CPLD_SWITCH (FSAMPLE_CPLD_BASE + 0x02)
50 #define FSAMPLE_CPLD_UART (FSAMPLE_CPLD_BASE + 0x02)
51 #define FSAMPLE_CPLD_REG_B (FSAMPLE_CPLD_BASE + 0x04)
52 #define FSAMPLE_CPLD_VERSION (FSAMPLE_CPLD_BASE + 0x06)
53 #define FSAMPLE_CPLD_SET_CLR (FSAMPLE_CPLD_BASE + 0x06)
55 #define FSAMPLE_CPLD_BIT_BT_RESET 0
56 #define FSAMPLE_CPLD_BIT_LCD_RESET 1
57 #define FSAMPLE_CPLD_BIT_CAM_PWDN 2
58 #define FSAMPLE_CPLD_BIT_CHARGER_ENABLE 3
59 #define FSAMPLE_CPLD_BIT_SD_MMC_EN 4
60 #define FSAMPLE_CPLD_BIT_aGPS_PWREN 5
61 #define FSAMPLE_CPLD_BIT_BACKLIGHT 6
62 #define FSAMPLE_CPLD_BIT_aGPS_EN_RESET 7
63 #define FSAMPLE_CPLD_BIT_aGPS_SLEEPx_N 8
64 #define FSAMPLE_CPLD_BIT_OTG_RESET 9
66 #define fsample_cpld_set(bit) \
67 fsample_cpld_write((((bit) & 15) << 4) | 0x0f, FSAMPLE_CPLD_SET_CLR)
69 #define fsample_cpld_clear(bit) \
70 fsample_cpld_write(0xf0 | ((bit) & 15), FSAMPLE_CPLD_SET_CLR)
72 static int fsample_keymap
[] = {
81 KEY(1,3,KEY_VOLUMEDOWN
),
82 KEY(1,4,KEY_VOLUMEUP
),
99 KEY(4,4,KEY_KPASTERISK
),
104 static struct smc91x_platdata smc91x_info
= {
105 .flags
= SMC91X_USE_16BIT
| SMC91X_NOWAIT
,
106 .leda
= RPC_LED_100_10
,
107 .ledb
= RPC_LED_TX_RX
,
110 static struct resource smc91x_resources
[] = {
112 .start
= H2P2_DBG_FPGA_ETHR_START
, /* Physical */
113 .end
= H2P2_DBG_FPGA_ETHR_START
+ 0xf,
114 .flags
= IORESOURCE_MEM
,
117 .start
= INT_7XX_MPU_EXT_NIRQ
,
119 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHEDGE
,
123 static struct mtd_partition nor_partitions
[] = {
124 /* bootloader (U-Boot, etc) in first sector */
126 .name
= "bootloader",
129 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
131 /* bootloader params in the next sector */
134 .offset
= MTDPART_OFS_APPEND
,
141 .offset
= MTDPART_OFS_APPEND
,
145 /* rest of flash is a file system */
148 .offset
= MTDPART_OFS_APPEND
,
149 .size
= MTDPART_SIZ_FULL
,
154 static struct physmap_flash_data nor_data
= {
156 .set_vpp
= omap1_set_vpp
,
157 .parts
= nor_partitions
,
158 .nr_parts
= ARRAY_SIZE(nor_partitions
),
161 static struct resource nor_resource
= {
162 .start
= OMAP_CS0_PHYS
,
163 .end
= OMAP_CS0_PHYS
+ SZ_32M
- 1,
164 .flags
= IORESOURCE_MEM
,
167 static struct platform_device nor_device
= {
168 .name
= "physmap-flash",
171 .platform_data
= &nor_data
,
174 .resource
= &nor_resource
,
177 static void nand_cmd_ctl(struct mtd_info
*mtd
, int cmd
, unsigned int ctrl
)
179 struct nand_chip
*this = mtd
->priv
;
182 if (cmd
== NAND_CMD_NONE
)
185 mask
= (ctrl
& NAND_CLE
) ? 0x02 : 0;
188 writeb(cmd
, (unsigned long)this->IO_ADDR_W
| mask
);
191 #define FSAMPLE_NAND_RB_GPIO_PIN 62
193 static int nand_dev_ready(struct mtd_info
*mtd
)
195 return gpio_get_value(FSAMPLE_NAND_RB_GPIO_PIN
);
198 static const char *part_probes
[] = { "cmdlinepart", NULL
};
200 static struct platform_nand_data nand_data
= {
204 .options
= NAND_SAMSUNG_LP_OPTIONS
,
205 .part_probe_types
= part_probes
,
208 .cmd_ctrl
= nand_cmd_ctl
,
209 .dev_ready
= nand_dev_ready
,
213 static struct resource nand_resource
= {
214 .start
= OMAP_CS3_PHYS
,
215 .end
= OMAP_CS3_PHYS
+ SZ_4K
- 1,
216 .flags
= IORESOURCE_MEM
,
219 static struct platform_device nand_device
= {
223 .platform_data
= &nand_data
,
226 .resource
= &nand_resource
,
229 static struct platform_device smc91x_device
= {
233 .platform_data
= &smc91x_info
,
235 .num_resources
= ARRAY_SIZE(smc91x_resources
),
236 .resource
= smc91x_resources
,
239 static struct resource kp_resources
[] = {
241 .start
= INT_7XX_MPUIO_KEYPAD
,
242 .end
= INT_7XX_MPUIO_KEYPAD
,
243 .flags
= IORESOURCE_IRQ
,
247 static struct omap_kp_platform_data kp_data
= {
250 .keymap
= fsample_keymap
,
251 .keymapsize
= ARRAY_SIZE(fsample_keymap
),
255 static struct platform_device kp_device
= {
256 .name
= "omap-keypad",
259 .platform_data
= &kp_data
,
261 .num_resources
= ARRAY_SIZE(kp_resources
),
262 .resource
= kp_resources
,
265 static struct platform_device lcd_device
= {
270 static struct platform_device
*devices
[] __initdata
= {
278 static struct omap_lcd_config fsample_lcd_config __initdata
= {
279 .ctrl_name
= "internal",
282 static struct omap_board_config_kernel fsample_config
[] = {
283 { OMAP_TAG_LCD
, &fsample_lcd_config
},
286 static void __init
omap_fsample_init(void)
288 if (gpio_request(FSAMPLE_NAND_RB_GPIO_PIN
, "NAND ready") < 0)
290 gpio_direction_input(FSAMPLE_NAND_RB_GPIO_PIN
);
292 omap_cfg_reg(L3_1610_FLASH_CS2B_OE
);
293 omap_cfg_reg(M8_1610_FLASH_CS2B_WE
);
295 /* Mux pins for keypad */
296 omap_cfg_reg(E2_7XX_KBR0
);
297 omap_cfg_reg(J7_7XX_KBR1
);
298 omap_cfg_reg(E1_7XX_KBR2
);
299 omap_cfg_reg(F3_7XX_KBR3
);
300 omap_cfg_reg(D2_7XX_KBR4
);
301 omap_cfg_reg(C2_7XX_KBC0
);
302 omap_cfg_reg(D3_7XX_KBC1
);
303 omap_cfg_reg(E4_7XX_KBC2
);
304 omap_cfg_reg(F4_7XX_KBC3
);
305 omap_cfg_reg(E3_7XX_KBC4
);
307 platform_add_devices(devices
, ARRAY_SIZE(devices
));
309 omap_board_config
= fsample_config
;
310 omap_board_config_size
= ARRAY_SIZE(fsample_config
);
312 omap_register_i2c_bus(1, 100, NULL
, 0);
315 static void __init
fsample_init_smc91x(void)
317 fpga_write(1, H2P2_DBG_FPGA_LAN_RESET
);
319 fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET
) & ~1,
320 H2P2_DBG_FPGA_LAN_RESET
);
324 static void __init
omap_fsample_init_irq(void)
326 omap1_init_common_hw();
329 fsample_init_smc91x();
332 /* Only FPGA needs to be mapped here. All others are done with ioremap */
333 static struct map_desc omap_fsample_io_desc
[] __initdata
= {
335 .virtual = H2P2_DBG_FPGA_BASE
,
336 .pfn
= __phys_to_pfn(H2P2_DBG_FPGA_START
),
337 .length
= H2P2_DBG_FPGA_SIZE
,
341 .virtual = FSAMPLE_CPLD_BASE
,
342 .pfn
= __phys_to_pfn(FSAMPLE_CPLD_START
),
343 .length
= FSAMPLE_CPLD_SIZE
,
348 static void __init
omap_fsample_map_io(void)
350 omap1_map_common_io();
351 iotable_init(omap_fsample_io_desc
,
352 ARRAY_SIZE(omap_fsample_io_desc
));
354 /* Early, board-dependent init */
357 * Hold GSM Reset until needed
359 omap_writew(omap_readw(OMAP7XX_DSP_M_CTL
) & ~1, OMAP7XX_DSP_M_CTL
);
362 * UARTs -> done automagically by 8250 driver
366 * CSx timings, GPIO Mux ... setup
369 /* Flash: CS0 timings setup */
370 omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_0
);
371 omap_writel(0x00000088, OMAP7XX_FLASH_ACFG_0
);
374 * Ethernet support through the debug board
377 omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_1
);
378 omap_writel(0x00000000, OMAP7XX_FLASH_ACFG_1
);
381 * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
382 * It is used as the Ethernet controller interrupt
384 omap_writel(omap_readl(OMAP7XX_IO_CONF_9
) & 0x1FFFFFFF, OMAP7XX_IO_CONF_9
);
387 MACHINE_START(OMAP_FSAMPLE
, "OMAP730 F-Sample")
388 /* Maintainer: Brian Swetland <swetland@google.com> */
389 .boot_params
= 0x10000100,
390 .map_io
= omap_fsample_map_io
,
391 .reserve
= omap_reserve
,
392 .init_irq
= omap_fsample_init_irq
,
393 .init_machine
= omap_fsample_init
,
394 .timer
= &omap_timer
,