Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 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 | |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 26 | #include <linux/init.h> |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 27 | #include <linux/platform_device.h> |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 28 | #include <linux/i2c.h> |
| 29 | #include <linux/i2c/at24.h> |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 30 | #include <linux/mtd/mtd.h> |
| 31 | #include <linux/mtd/nand.h> |
| 32 | #include <linux/mtd/partitions.h> |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 33 | |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 34 | #include <asm/mach-types.h> |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 35 | #include <asm/mach/arch.h> |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 36 | #include <asm/mach/flash.h> |
| 37 | |
| 38 | #include <mach/dm644x.h> |
| 39 | #include <mach/common.h> |
| 40 | #include <mach/i2c.h> |
| 41 | #include <mach/serial.h> |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 42 | #include <mach/mux.h> |
Sergei Shtylyov | 355fb4e | 2009-10-30 23:46:14 +0400 | [diff] [blame] | 43 | #include <mach/usb.h> |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 44 | |
Cyril Chemparathy | 782f2d7 | 2010-09-15 10:11:25 -0400 | [diff] [blame] | 45 | #define SFFSDR_PHY_ID "0:01" |
Kevin Hilman | 28552c2 | 2010-02-25 15:36:38 -0800 | [diff] [blame] | 46 | static struct mtd_partition davinci_sffsdr_nandflash_partition[] = { |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 47 | /* U-Boot Environment: Block 0 |
| 48 | * UBL: Block 1 |
| 49 | * U-Boot: Blocks 6-7 (256 kb) |
| 50 | * Integrity Kernel: Blocks 8-31 (3 Mb) |
| 51 | * Integrity Data: Blocks 100-END |
| 52 | */ |
| 53 | { |
| 54 | .name = "Linux Kernel", |
| 55 | .offset = 32 * SZ_128K, |
| 56 | .size = 16 * SZ_128K, /* 2 Mb */ |
| 57 | .mask_flags = MTD_WRITEABLE, /* Force read-only */ |
| 58 | }, |
| 59 | { |
| 60 | .name = "Linux ROOT", |
| 61 | .offset = MTDPART_OFS_APPEND, |
| 62 | .size = 256 * SZ_128K, /* 32 Mb */ |
| 63 | .mask_flags = 0, /* R/W */ |
| 64 | }, |
| 65 | }; |
| 66 | |
| 67 | static struct flash_platform_data davinci_sffsdr_nandflash_data = { |
| 68 | .parts = davinci_sffsdr_nandflash_partition, |
| 69 | .nr_parts = ARRAY_SIZE(davinci_sffsdr_nandflash_partition), |
| 70 | }; |
| 71 | |
| 72 | static struct resource davinci_sffsdr_nandflash_resource[] = { |
| 73 | { |
Sergei Shtylyov | 7034217 | 2010-04-16 21:29:11 +0400 | [diff] [blame] | 74 | .start = DM644X_ASYNC_EMIF_DATA_CE0_BASE, |
| 75 | .end = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1, |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 76 | .flags = IORESOURCE_MEM, |
| 77 | }, { |
Sergei Shtylyov | 7034217 | 2010-04-16 21:29:11 +0400 | [diff] [blame] | 78 | .start = DM644X_ASYNC_EMIF_CONTROL_BASE, |
| 79 | .end = DM644X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1, |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 80 | .flags = IORESOURCE_MEM, |
| 81 | }, |
| 82 | }; |
| 83 | |
| 84 | static struct platform_device davinci_sffsdr_nandflash_device = { |
| 85 | .name = "davinci_nand", /* Name of driver */ |
| 86 | .id = 0, |
| 87 | .dev = { |
| 88 | .platform_data = &davinci_sffsdr_nandflash_data, |
| 89 | }, |
| 90 | .num_resources = ARRAY_SIZE(davinci_sffsdr_nandflash_resource), |
| 91 | .resource = davinci_sffsdr_nandflash_resource, |
| 92 | }; |
| 93 | |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 94 | static struct at24_platform_data eeprom_info = { |
| 95 | .byte_len = (64*1024) / 8, |
| 96 | .page_size = 32, |
| 97 | .flags = AT24_FLAG_ADDR16, |
| 98 | }; |
| 99 | |
| 100 | static struct i2c_board_info __initdata i2c_info[] = { |
| 101 | { |
| 102 | I2C_BOARD_INFO("24lc64", 0x50), |
| 103 | .platform_data = &eeprom_info, |
| 104 | }, |
| 105 | /* Other I2C devices: |
| 106 | * MSP430, addr 0x23 (not used) |
| 107 | * PCA9543, addr 0x70 (setup done by U-Boot) |
| 108 | * ADS7828, addr 0x48 (ADC for voltage monitoring.) |
| 109 | */ |
| 110 | }; |
| 111 | |
| 112 | static struct davinci_i2c_platform_data i2c_pdata = { |
| 113 | .bus_freq = 20 /* kHz */, |
| 114 | .bus_delay = 100 /* usec */, |
| 115 | }; |
| 116 | |
| 117 | static void __init sffsdr_init_i2c(void) |
| 118 | { |
| 119 | davinci_init_i2c(&i2c_pdata); |
| 120 | i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info)); |
| 121 | } |
| 122 | |
| 123 | static struct platform_device *davinci_sffsdr_devices[] __initdata = { |
| 124 | &davinci_sffsdr_nandflash_device, |
| 125 | }; |
| 126 | |
| 127 | static struct davinci_uart_config uart_config __initdata = { |
| 128 | .enabled_uarts = (1 << 0), |
| 129 | }; |
| 130 | |
| 131 | static void __init davinci_sffsdr_map_io(void) |
| 132 | { |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 133 | dm644x_init(); |
| 134 | } |
| 135 | |
| 136 | static __init void davinci_sffsdr_init(void) |
| 137 | { |
Mark A. Greer | 972412b | 2009-04-15 12:40:56 -0700 | [diff] [blame] | 138 | struct davinci_soc_info *soc_info = &davinci_soc_info; |
| 139 | |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 140 | platform_add_devices(davinci_sffsdr_devices, |
| 141 | ARRAY_SIZE(davinci_sffsdr_devices)); |
| 142 | sffsdr_init_i2c(); |
| 143 | davinci_serial_init(&uart_config); |
Cyril Chemparathy | 782f2d7 | 2010-09-15 10:11:25 -0400 | [diff] [blame] | 144 | soc_info->emac_pdata->phy_id = SFFSDR_PHY_ID; |
Sergei Shtylyov | 355fb4e | 2009-10-30 23:46:14 +0400 | [diff] [blame] | 145 | davinci_setup_usb(0, 0); /* We support only peripheral mode. */ |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 146 | |
| 147 | /* mux VLYNQ pins */ |
| 148 | davinci_cfg_reg(DM644X_VLYNQEN); |
| 149 | davinci_cfg_reg(DM644X_VLYNQWD); |
| 150 | } |
| 151 | |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 152 | MACHINE_START(SFFSDR, "Lyrtech SFFSDR") |
| 153 | /* Maintainer: Hugo Villeneuve hugo.villeneuve@lyrtech.com */ |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 154 | .boot_params = (DAVINCI_DDR_BASE + 0x100), |
| 155 | .map_io = davinci_sffsdr_map_io, |
Cyril Chemparathy | bd80894 | 2010-05-07 17:06:37 -0400 | [diff] [blame] | 156 | .init_irq = davinci_irq_init, |
Hugo Villeneuve | f5ce6a6 | 2009-04-29 16:46:57 -0700 | [diff] [blame] | 157 | .timer = &davinci_timer, |
| 158 | .init_machine = davinci_sffsdr_init, |
| 159 | MACHINE_END |