2 * board-omap3pandora.c (Pandora Handheld Console)
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * version 2 as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 #include <linux/clk.h>
21 #include <linux/delay.h>
22 #include <linux/err.h>
23 #include <linux/init.h>
25 #include <linux/kernel.h>
26 #include <linux/platform_device.h>
28 #include <linux/i2c/twl4030.h>
30 #include <linux/mtd/mtd.h>
31 #include <linux/mtd/nand.h>
32 #include <linux/mtd/partitions.h>
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/flash.h>
37 #include <asm/mach/map.h>
39 #include <mach/board.h>
40 #include <mach/common.h>
41 #include <mach/gpio.h>
42 #include <mach/gpmc.h>
43 #include <mach/hardware.h>
44 #include <mach/hsmmc.h>
45 #include <mach/nand.h>
46 #include <mach/usb-ehci.h>
47 #include <mach/usb-musb.h>
49 #include "sdram-micron-mt46h32m32lf-6.h"
51 #define NAND_BLOCK_SIZE SZ_128K
52 #define GPMC_CS0_BASE 0x60
53 #define GPMC_CS_SIZE 0x30
55 static struct mtd_partition omap3pandora_nand_partitions[] = {
58 .offset = 0, /* Offset = 0x00000 */
59 .size = 4 * NAND_BLOCK_SIZE,
60 .mask_flags = MTD_WRITEABLE
63 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
64 .size = 14 * NAND_BLOCK_SIZE,
66 .name = "uboot environment",
67 .offset = MTDPART_OFS_APPEND, /* Offset = 0x240000 */
68 .size = 2 * NAND_BLOCK_SIZE,
71 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
72 .size = 32 * NAND_BLOCK_SIZE,
75 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
76 .size = MTDPART_SIZ_FULL,
80 static struct omap_nand_platform_data omap3pandora_nand_data = {
81 .parts = omap3pandora_nand_partitions,
82 .nr_parts = ARRAY_SIZE(omap3pandora_nand_partitions),
83 .dma_channel = -1, /* disable DMA in OMAP NAND driver */
86 static struct resource omap3pandora_nand_resource[] = {
88 .flags = IORESOURCE_MEM,
92 static struct platform_device omap3pandora_nand_device = {
96 .platform_data = &omap3pandora_nand_data,
98 .num_resources = ARRAY_SIZE(omap3pandora_nand_resource),
99 .resource = omap3pandora_nand_resource,
102 static void __init omap3pandora_flash_init(void)
105 u8 nandcs = GPMC_CS_NUM + 1;
107 u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
109 /* find out the chip-select on which NAND exists */
110 while (cs < GPMC_CS_NUM) {
112 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
114 if ((ret & 0xC00) == 0x800) {
115 printk(KERN_INFO "Found NAND on CS%d\n", cs);
116 if (nandcs > GPMC_CS_NUM)
122 if (nandcs > GPMC_CS_NUM) {
123 printk(KERN_INFO "NAND: Unable to find configuration "
128 if (nandcs < GPMC_CS_NUM) {
129 omap3pandora_nand_data.cs = nandcs;
130 omap3pandora_nand_data.gpmc_cs_baseaddr = (void *)
131 (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
132 omap3pandora_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
134 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
135 if (platform_device_register(&omap3pandora_nand_device) < 0)
136 printk(KERN_ERR "Unable to register NAND device\n");
140 static struct omap_uart_config omap3pandora_uart_config __initdata = {
141 .enabled_uarts = (1 << 2), /* UART3 */
144 static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
145 .gpio_base = OMAP_MAX_GPIO_LINES,
146 .irq_base = TWL4030_GPIO_IRQ_BASE,
147 .irq_end = TWL4030_GPIO_IRQ_END,
150 static struct twl4030_usb_data omap3pandora_usb_data = {
151 .usb_mode = T2_USB_MODE_ULPI,
154 static struct twl4030_platform_data omap3pandora_twldata = {
155 .irq_base = TWL4030_IRQ_BASE,
156 .irq_end = TWL4030_IRQ_END,
157 .gpio = &omap3pandora_gpio_data,
158 .usb = &omap3pandora_usb_data,
161 static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
163 I2C_BOARD_INFO("twl4030", 0x48),
164 .flags = I2C_CLIENT_WAKE,
165 .irq = INT_34XX_SYS_NIRQ,
166 .platform_data = &omap3pandora_twldata,
170 static int __init omap3pandora_i2c_init(void)
172 omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo,
173 ARRAY_SIZE(omap3pandora_i2c_boardinfo));
174 /* i2c2 pins are not connected */
175 omap_register_i2c_bus(3, 400, NULL, 0);
179 static void __init omap3pandora_init_irq(void)
181 omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
186 static struct platform_device omap3pandora_lcd_device = {
187 .name = "pandora_lcd",
191 static struct omap_lcd_config omap3pandora_lcd_config __initdata = {
192 .ctrl_name = "internal",
195 static struct omap_board_config_kernel omap3pandora_config[] __initdata = {
196 { OMAP_TAG_UART, &omap3pandora_uart_config },
197 { OMAP_TAG_LCD, &omap3pandora_lcd_config },
200 static struct platform_device *omap3pandora_devices[] __initdata = {
201 &omap3pandora_lcd_device,
204 static void __init omap3pandora_init(void)
206 omap3pandora_i2c_init();
207 platform_add_devices(omap3pandora_devices, ARRAY_SIZE(omap3pandora_devices));
208 omap_board_config = omap3pandora_config;
209 omap_board_config_size = ARRAY_SIZE(omap3pandora_config);
214 omap3pandora_flash_init();
217 static void __init omap3pandora_map_io(void)
219 omap2_set_globals_343x();
220 omap2_map_common_io();
223 MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
224 .phys_io = 0x48000000,
225 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
226 .boot_params = 0x80000100,
227 .map_io = omap3pandora_map_io,
228 .init_irq = omap3pandora_init_irq,
229 .init_machine = omap3pandora_init,
230 .timer = &omap_timer,