Commit | Line | Data |
---|---|---|
f5ce6a67 HV |
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> | |
79c3c0b7 | 55 | #include <mach/common.h> |
f5ce6a67 | 56 | |
ac7b75b5 KH |
57 | #define SFFSDR_PHY_MASK (0x2) |
58 | #define SFFSDR_MDIO_FREQUENCY (2200000) /* PHY bus frequency */ | |
59 | ||
f5ce6a67 HV |
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 | ||
ac7b75b5 KH |
111 | static struct emac_platform_data sffsdr_emac_pdata = { |
112 | .phy_mask = SFFSDR_PHY_MASK, | |
113 | .mdio_max_freq = SFFSDR_MDIO_FREQUENCY, | |
114 | }; | |
f5ce6a67 HV |
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 | { | |
f5ce6a67 HV |
155 | dm644x_init(); |
156 | } | |
157 | ||
158 | static __init void davinci_sffsdr_init(void) | |
159 | { | |
972412b6 MG |
160 | struct davinci_soc_info *soc_info = &davinci_soc_info; |
161 | ||
f5ce6a67 HV |
162 | platform_add_devices(davinci_sffsdr_devices, |
163 | ARRAY_SIZE(davinci_sffsdr_devices)); | |
164 | sffsdr_init_i2c(); | |
165 | davinci_serial_init(&uart_config); | |
972412b6 MG |
166 | soc_info->emac_pdata->phy_mask = SFFSDR_PHY_MASK; |
167 | soc_info->emac_pdata->mdio_max_freq = SFFSDR_MDIO_FREQUENCY; | |
f5ce6a67 HV |
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 |