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Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -07001/*
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
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -070026#include <linux/init.h>
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -070027#include <linux/platform_device.h>
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -070028#include <linux/i2c.h>
29#include <linux/i2c/at24.h>
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -070030#include <linux/mtd/mtd.h>
31#include <linux/mtd/nand.h>
32#include <linux/mtd/partitions.h>
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -070033
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -070034#include <asm/mach-types.h>
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -070035#include <asm/mach/arch.h>
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -070036#include <asm/mach/flash.h>
37
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -070038#include <mach/common.h>
Arnd Bergmannec2a0832012-08-24 15:11:34 +020039#include <linux/platform_data/i2c-davinci.h>
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -070040#include <mach/serial.h>
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -070041#include <mach/mux.h>
Arnd Bergmannec2a0832012-08-24 15:11:34 +020042#include <linux/platform_data/usb-davinci.h>
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -070043
Manjunath Hadli39c6d2d2011-12-21 19:13:35 +053044#include "davinci.h"
45
Sekhar Norif6f97582012-01-21 02:48:17 +053046#define SFFSDR_PHY_ID "davinci_mdio-0:01"
Kevin Hilman28552c22010-02-25 15:36:38 -080047static struct mtd_partition davinci_sffsdr_nandflash_partition[] = {
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -070048 /* U-Boot Environment: Block 0
49 * UBL: Block 1
50 * U-Boot: Blocks 6-7 (256 kb)
51 * Integrity Kernel: Blocks 8-31 (3 Mb)
52 * Integrity Data: Blocks 100-END
53 */
54 {
55 .name = "Linux Kernel",
56 .offset = 32 * SZ_128K,
57 .size = 16 * SZ_128K, /* 2 Mb */
58 .mask_flags = MTD_WRITEABLE, /* Force read-only */
59 },
60 {
61 .name = "Linux ROOT",
62 .offset = MTDPART_OFS_APPEND,
63 .size = 256 * SZ_128K, /* 32 Mb */
64 .mask_flags = 0, /* R/W */
65 },
66};
67
68static struct flash_platform_data davinci_sffsdr_nandflash_data = {
69 .parts = davinci_sffsdr_nandflash_partition,
70 .nr_parts = ARRAY_SIZE(davinci_sffsdr_nandflash_partition),
71};
72
73static struct resource davinci_sffsdr_nandflash_resource[] = {
74 {
Sergei Shtylyov70342172010-04-16 21:29:11 +040075 .start = DM644X_ASYNC_EMIF_DATA_CE0_BASE,
76 .end = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -070077 .flags = IORESOURCE_MEM,
78 }, {
Sergei Shtylyov70342172010-04-16 21:29:11 +040079 .start = DM644X_ASYNC_EMIF_CONTROL_BASE,
80 .end = DM644X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -070081 .flags = IORESOURCE_MEM,
82 },
83};
84
85static struct platform_device davinci_sffsdr_nandflash_device = {
86 .name = "davinci_nand", /* Name of driver */
87 .id = 0,
88 .dev = {
89 .platform_data = &davinci_sffsdr_nandflash_data,
90 },
91 .num_resources = ARRAY_SIZE(davinci_sffsdr_nandflash_resource),
92 .resource = davinci_sffsdr_nandflash_resource,
93};
94
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -070095static struct at24_platform_data eeprom_info = {
96 .byte_len = (64*1024) / 8,
97 .page_size = 32,
98 .flags = AT24_FLAG_ADDR16,
99};
100
101static struct i2c_board_info __initdata i2c_info[] = {
102 {
103 I2C_BOARD_INFO("24lc64", 0x50),
104 .platform_data = &eeprom_info,
105 },
106 /* Other I2C devices:
107 * MSP430, addr 0x23 (not used)
108 * PCA9543, addr 0x70 (setup done by U-Boot)
109 * ADS7828, addr 0x48 (ADC for voltage monitoring.)
110 */
111};
112
113static struct davinci_i2c_platform_data i2c_pdata = {
114 .bus_freq = 20 /* kHz */,
115 .bus_delay = 100 /* usec */,
116};
117
118static void __init sffsdr_init_i2c(void)
119{
120 davinci_init_i2c(&i2c_pdata);
121 i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
122}
123
124static struct platform_device *davinci_sffsdr_devices[] __initdata = {
125 &davinci_sffsdr_nandflash_device,
126};
127
128static struct davinci_uart_config uart_config __initdata = {
129 .enabled_uarts = (1 << 0),
130};
131
132static void __init davinci_sffsdr_map_io(void)
133{
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -0700134 dm644x_init();
135}
136
137static __init void davinci_sffsdr_init(void)
138{
Mark A. Greer972412b2009-04-15 12:40:56 -0700139 struct davinci_soc_info *soc_info = &davinci_soc_info;
140
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -0700141 platform_add_devices(davinci_sffsdr_devices,
142 ARRAY_SIZE(davinci_sffsdr_devices));
143 sffsdr_init_i2c();
144 davinci_serial_init(&uart_config);
Cyril Chemparathy782f2d72010-09-15 10:11:25 -0400145 soc_info->emac_pdata->phy_id = SFFSDR_PHY_ID;
Sergei Shtylyov355fb4e2009-10-30 23:46:14 +0400146 davinci_setup_usb(0, 0); /* We support only peripheral mode. */
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -0700147
148 /* mux VLYNQ pins */
149 davinci_cfg_reg(DM644X_VLYNQEN);
150 davinci_cfg_reg(DM644X_VLYNQWD);
151}
152
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -0700153MACHINE_START(SFFSDR, "Lyrtech SFFSDR")
154 /* Maintainer: Hugo Villeneuve hugo.villeneuve@lyrtech.com */
Nicolas Pitree7e56012011-07-05 22:38:11 -0400155 .atag_offset = 0x100,
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -0700156 .map_io = davinci_sffsdr_map_io,
Cyril Chemparathybd808942010-05-07 17:06:37 -0400157 .init_irq = davinci_irq_init,
Stephen Warren6bb27d72012-11-08 12:40:59 -0700158 .init_time = davinci_timer_init,
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -0700159 .init_machine = davinci_sffsdr_init,
Shawn Guo3aa3e842012-04-26 09:45:39 +0800160 .init_late = davinci_init_late,
Nicolas Pitref68deab2011-07-05 22:28:08 -0400161 .dma_zone_size = SZ_128M,
Sekhar Noric6121dd2011-12-05 11:29:46 +0100162 .restart = davinci_restart,
Hugo Villeneuvef5ce6a62009-04-29 16:46:57 -0700163MACHINE_END