diff options
Diffstat (limited to 'arch/arm/mach-davinci/board-sffsdr.c')
-rw-r--r-- | arch/arm/mach-davinci/board-sffsdr.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-sffsdr.c b/arch/arm/mach-davinci/board-sffsdr.c new file mode 100644 index 000000000000..748a8e48541e --- /dev/null +++ b/arch/arm/mach-davinci/board-sffsdr.c | |||
@@ -0,0 +1,189 @@ | |||
1 | /* | ||
2 | * Lyrtech SFFSDR board support. | ||
3 | * | ||
4 | * Copyright (C) 2008 Philip Balister, OpenSDR <philip@opensdr.com> | ||
5 | * Copyright (C) 2008 Lyrtech <www.lyrtech.com> | ||
6 | * | ||
7 | * Based on DV-EVM platform, original copyright follows: | ||
8 | * | ||
9 | * Copyright (C) 2007 MontaVista Software, Inc. | ||
10 | * | ||
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. | ||
15 | * | ||
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. | ||
20 | * | ||
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. | ||
24 | */ | ||
25 | |||
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> | ||
32 | |||
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> | ||
40 | #include <linux/io.h> | ||
41 | |||
42 | #include <asm/setup.h> | ||
43 | #include <asm/mach-types.h> | ||
44 | |||
45 | #include <asm/mach/arch.h> | ||
46 | #include <asm/mach/map.h> | ||
47 | #include <asm/mach/flash.h> | ||
48 | |||
49 | #include <mach/dm644x.h> | ||
50 | #include <mach/common.h> | ||
51 | #include <mach/i2c.h> | ||
52 | #include <mach/serial.h> | ||
53 | #include <mach/psc.h> | ||
54 | #include <mach/mux.h> | ||
55 | #include <mach/common.h> | ||
56 | |||
57 | #define SFFSDR_PHY_MASK (0x2) | ||
58 | #define SFFSDR_MDIO_FREQUENCY (2200000) /* PHY bus frequency */ | ||
59 | |||
60 | #define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x01e00000 | ||
61 | #define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000 | ||
62 | |||
63 | struct mtd_partition davinci_sffsdr_nandflash_partition[] = { | ||
64 | /* U-Boot Environment: Block 0 | ||
65 | * UBL: Block 1 | ||
66 | * U-Boot: Blocks 6-7 (256 kb) | ||
67 | * Integrity Kernel: Blocks 8-31 (3 Mb) | ||
68 | * Integrity Data: Blocks 100-END | ||
69 | */ | ||
70 | { | ||
71 | .name = "Linux Kernel", | ||
72 | .offset = 32 * SZ_128K, | ||
73 | .size = 16 * SZ_128K, /* 2 Mb */ | ||
74 | .mask_flags = MTD_WRITEABLE, /* Force read-only */ | ||
75 | }, | ||
76 | { | ||
77 | .name = "Linux ROOT", | ||
78 | .offset = MTDPART_OFS_APPEND, | ||
79 | .size = 256 * SZ_128K, /* 32 Mb */ | ||
80 | .mask_flags = 0, /* R/W */ | ||
81 | }, | ||
82 | }; | ||
83 | |||
84 | static struct flash_platform_data davinci_sffsdr_nandflash_data = { | ||
85 | .parts = davinci_sffsdr_nandflash_partition, | ||
86 | .nr_parts = ARRAY_SIZE(davinci_sffsdr_nandflash_partition), | ||
87 | }; | ||
88 | |||
89 | static struct resource davinci_sffsdr_nandflash_resource[] = { | ||
90 | { | ||
91 | .start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE, | ||
92 | .end = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1, | ||
93 | .flags = IORESOURCE_MEM, | ||
94 | }, { | ||
95 | .start = DAVINCI_ASYNC_EMIF_CONTROL_BASE, | ||
96 | .end = DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1, | ||
97 | .flags = IORESOURCE_MEM, | ||
98 | }, | ||
99 | }; | ||
100 | |||
101 | static struct platform_device davinci_sffsdr_nandflash_device = { | ||
102 | .name = "davinci_nand", /* Name of driver */ | ||
103 | .id = 0, | ||
104 | .dev = { | ||
105 | .platform_data = &davinci_sffsdr_nandflash_data, | ||
106 | }, | ||
107 | .num_resources = ARRAY_SIZE(davinci_sffsdr_nandflash_resource), | ||
108 | .resource = davinci_sffsdr_nandflash_resource, | ||
109 | }; | ||
110 | |||
111 | static struct emac_platform_data sffsdr_emac_pdata = { | ||
112 | .phy_mask = SFFSDR_PHY_MASK, | ||
113 | .mdio_max_freq = SFFSDR_MDIO_FREQUENCY, | ||
114 | }; | ||
115 | |||
116 | static struct at24_platform_data eeprom_info = { | ||
117 | .byte_len = (64*1024) / 8, | ||
118 | .page_size = 32, | ||
119 | .flags = AT24_FLAG_ADDR16, | ||
120 | }; | ||
121 | |||
122 | static struct i2c_board_info __initdata i2c_info[] = { | ||
123 | { | ||
124 | I2C_BOARD_INFO("24lc64", 0x50), | ||
125 | .platform_data = &eeprom_info, | ||
126 | }, | ||
127 | /* Other I2C devices: | ||
128 | * MSP430, addr 0x23 (not used) | ||
129 | * PCA9543, addr 0x70 (setup done by U-Boot) | ||
130 | * ADS7828, addr 0x48 (ADC for voltage monitoring.) | ||
131 | */ | ||
132 | }; | ||
133 | |||
134 | static struct davinci_i2c_platform_data i2c_pdata = { | ||
135 | .bus_freq = 20 /* kHz */, | ||
136 | .bus_delay = 100 /* usec */, | ||
137 | }; | ||
138 | |||
139 | static void __init sffsdr_init_i2c(void) | ||
140 | { | ||
141 | davinci_init_i2c(&i2c_pdata); | ||
142 | i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info)); | ||
143 | } | ||
144 | |||
145 | static struct platform_device *davinci_sffsdr_devices[] __initdata = { | ||
146 | &davinci_sffsdr_nandflash_device, | ||
147 | }; | ||
148 | |||
149 | static struct davinci_uart_config uart_config __initdata = { | ||
150 | .enabled_uarts = (1 << 0), | ||
151 | }; | ||
152 | |||
153 | static void __init davinci_sffsdr_map_io(void) | ||
154 | { | ||
155 | dm644x_init(); | ||
156 | } | ||
157 | |||
158 | static __init void davinci_sffsdr_init(void) | ||
159 | { | ||
160 | struct davinci_soc_info *soc_info = &davinci_soc_info; | ||
161 | |||
162 | platform_add_devices(davinci_sffsdr_devices, | ||
163 | ARRAY_SIZE(davinci_sffsdr_devices)); | ||
164 | sffsdr_init_i2c(); | ||
165 | davinci_serial_init(&uart_config); | ||
166 | soc_info->emac_pdata->phy_mask = SFFSDR_PHY_MASK; | ||
167 | soc_info->emac_pdata->mdio_max_freq = SFFSDR_MDIO_FREQUENCY; | ||
168 | setup_usb(0, 0); /* We support only peripheral mode. */ | ||
169 | |||
170 | /* mux VLYNQ pins */ | ||
171 | davinci_cfg_reg(DM644X_VLYNQEN); | ||
172 | davinci_cfg_reg(DM644X_VLYNQWD); | ||
173 | } | ||
174 | |||
175 | static __init void davinci_sffsdr_irq_init(void) | ||
176 | { | ||
177 | davinci_irq_init(); | ||
178 | } | ||
179 | |||
180 | MACHINE_START(SFFSDR, "Lyrtech SFFSDR") | ||
181 | /* Maintainer: Hugo Villeneuve hugo.villeneuve@lyrtech.com */ | ||
182 | .phys_io = IO_PHYS, | ||
183 | .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc, | ||
184 | .boot_params = (DAVINCI_DDR_BASE + 0x100), | ||
185 | .map_io = davinci_sffsdr_map_io, | ||
186 | .init_irq = davinci_sffsdr_irq_init, | ||
187 | .timer = &davinci_timer, | ||
188 | .init_machine = davinci_sffsdr_init, | ||
189 | MACHINE_END | ||