2 * Lyrtech SFFSDR board support.
4 * Copyright (C) 2008 Philip Balister, OpenSDR <philip@opensdr.com>
5 * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
7 * Based on DV-EVM platform, original copyright follows:
9 * Copyright (C) 2007 MontaVista Software, Inc.
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <linux/kernel.h>
27 #include <linux/module.h>
28 #include <linux/init.h>
29 #include <linux/dma-mapping.h>
30 #include <linux/platform_device.h>
31 #include <linux/gpio.h>
33 #include <linux/i2c.h>
34 #include <linux/i2c/at24.h>
35 #include <linux/etherdevice.h>
36 #include <linux/mtd/mtd.h>
37 #include <linux/mtd/nand.h>
38 #include <linux/mtd/partitions.h>
39 #include <linux/mtd/physmap.h>
42 #include <asm/setup.h>
43 #include <asm/mach-types.h>
45 #include <asm/mach/arch.h>
46 #include <asm/mach/map.h>
47 #include <asm/mach/flash.h>
49 #include <mach/dm644x.h>
50 #include <mach/common.h>
51 #include <mach/emac.h>
53 #include <mach/serial.h>
56 #include <mach/common.h>
58 #define SFFSDR_PHY_MASK (0x2)
59 #define SFFSDR_MDIO_FREQUENCY (2200000) /* PHY bus frequency */
61 #define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x01e00000
62 #define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000
64 struct mtd_partition davinci_sffsdr_nandflash_partition
[] = {
65 /* U-Boot Environment: Block 0
67 * U-Boot: Blocks 6-7 (256 kb)
68 * Integrity Kernel: Blocks 8-31 (3 Mb)
69 * Integrity Data: Blocks 100-END
72 .name
= "Linux Kernel",
73 .offset
= 32 * SZ_128K
,
74 .size
= 16 * SZ_128K
, /* 2 Mb */
75 .mask_flags
= MTD_WRITEABLE
, /* Force read-only */
79 .offset
= MTDPART_OFS_APPEND
,
80 .size
= 256 * SZ_128K
, /* 32 Mb */
81 .mask_flags
= 0, /* R/W */
85 static struct flash_platform_data davinci_sffsdr_nandflash_data
= {
86 .parts
= davinci_sffsdr_nandflash_partition
,
87 .nr_parts
= ARRAY_SIZE(davinci_sffsdr_nandflash_partition
),
90 static struct resource davinci_sffsdr_nandflash_resource
[] = {
92 .start
= DAVINCI_ASYNC_EMIF_DATA_CE0_BASE
,
93 .end
= DAVINCI_ASYNC_EMIF_DATA_CE0_BASE
+ SZ_16M
- 1,
94 .flags
= IORESOURCE_MEM
,
96 .start
= DAVINCI_ASYNC_EMIF_CONTROL_BASE
,
97 .end
= DAVINCI_ASYNC_EMIF_CONTROL_BASE
+ SZ_4K
- 1,
98 .flags
= IORESOURCE_MEM
,
102 static struct platform_device davinci_sffsdr_nandflash_device
= {
103 .name
= "davinci_nand", /* Name of driver */
106 .platform_data
= &davinci_sffsdr_nandflash_data
,
108 .num_resources
= ARRAY_SIZE(davinci_sffsdr_nandflash_resource
),
109 .resource
= davinci_sffsdr_nandflash_resource
,
112 static struct emac_platform_data sffsdr_emac_pdata
= {
113 .phy_mask
= SFFSDR_PHY_MASK
,
114 .mdio_max_freq
= SFFSDR_MDIO_FREQUENCY
,
117 static struct at24_platform_data eeprom_info
= {
118 .byte_len
= (64*1024) / 8,
120 .flags
= AT24_FLAG_ADDR16
,
123 static struct i2c_board_info __initdata i2c_info
[] = {
125 I2C_BOARD_INFO("24lc64", 0x50),
126 .platform_data
= &eeprom_info
,
128 /* Other I2C devices:
129 * MSP430, addr 0x23 (not used)
130 * PCA9543, addr 0x70 (setup done by U-Boot)
131 * ADS7828, addr 0x48 (ADC for voltage monitoring.)
135 static struct davinci_i2c_platform_data i2c_pdata
= {
136 .bus_freq
= 20 /* kHz */,
137 .bus_delay
= 100 /* usec */,
140 static void __init
sffsdr_init_i2c(void)
142 davinci_init_i2c(&i2c_pdata
);
143 i2c_register_board_info(1, i2c_info
, ARRAY_SIZE(i2c_info
));
146 static struct platform_device
*davinci_sffsdr_devices
[] __initdata
= {
147 &davinci_sffsdr_nandflash_device
,
150 static struct davinci_uart_config uart_config __initdata
= {
151 .enabled_uarts
= (1 << 0),
154 static void __init
davinci_sffsdr_map_io(void)
159 static __init
void davinci_sffsdr_init(void)
161 platform_add_devices(davinci_sffsdr_devices
,
162 ARRAY_SIZE(davinci_sffsdr_devices
));
164 davinci_serial_init(&uart_config
);
165 dm644x_init_emac(&sffsdr_emac_pdata
);
166 setup_usb(0, 0); /* We support only peripheral mode. */
169 davinci_cfg_reg(DM644X_VLYNQEN
);
170 davinci_cfg_reg(DM644X_VLYNQWD
);
173 static __init
void davinci_sffsdr_irq_init(void)
178 MACHINE_START(SFFSDR
, "Lyrtech SFFSDR")
179 /* Maintainer: Hugo Villeneuve hugo.villeneuve@lyrtech.com */
181 .io_pg_offst
= (__IO_ADDRESS(IO_PHYS
) >> 18) & 0xfffc,
182 .boot_params
= (DAVINCI_DDR_BASE
+ 0x100),
183 .map_io
= davinci_sffsdr_map_io
,
184 .init_irq
= davinci_sffsdr_irq_init
,
185 .timer
= &davinci_timer
,
186 .init_machine
= davinci_sffsdr_init
,