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151 lines
3.8 KiB
151 lines
3.8 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Lyrtech SFFSDR board support. |
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* |
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* Copyright (C) 2008 Philip Balister, OpenSDR <[email protected]> |
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* Copyright (C) 2008 Lyrtech <www.lyrtech.com> |
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* |
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* Based on DV-EVM platform, original copyright follows: |
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* |
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* Copyright (C) 2007 MontaVista Software, Inc. |
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*/ |
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#include <linux/init.h> |
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#include <linux/platform_device.h> |
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#include <linux/i2c.h> |
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#include <linux/property.h> |
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#include <linux/mtd/mtd.h> |
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#include <linux/mtd/rawnand.h> |
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#include <linux/mtd/partitions.h> |
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#include <asm/mach-types.h> |
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#include <asm/mach/arch.h> |
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#include <asm/mach/flash.h> |
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#include <mach/common.h> |
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#include <linux/platform_data/i2c-davinci.h> |
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#include <mach/serial.h> |
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#include <mach/mux.h> |
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#include <linux/platform_data/usb-davinci.h> |
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#include "davinci.h" |
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#define SFFSDR_PHY_ID "davinci_mdio-0:01" |
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static struct mtd_partition davinci_sffsdr_nandflash_partition[] = { |
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/* U-Boot Environment: Block 0 |
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* UBL: Block 1 |
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* U-Boot: Blocks 6-7 (256 kb) |
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* Integrity Kernel: Blocks 8-31 (3 Mb) |
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* Integrity Data: Blocks 100-END |
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*/ |
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{ |
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.name = "Linux Kernel", |
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.offset = 32 * SZ_128K, |
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.size = 16 * SZ_128K, /* 2 Mb */ |
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.mask_flags = MTD_WRITEABLE, /* Force read-only */ |
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}, |
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{ |
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.name = "Linux ROOT", |
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.offset = MTDPART_OFS_APPEND, |
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.size = 256 * SZ_128K, /* 32 Mb */ |
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.mask_flags = 0, /* R/W */ |
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}, |
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}; |
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static struct flash_platform_data davinci_sffsdr_nandflash_data = { |
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.parts = davinci_sffsdr_nandflash_partition, |
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.nr_parts = ARRAY_SIZE(davinci_sffsdr_nandflash_partition), |
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}; |
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static struct resource davinci_sffsdr_nandflash_resource[] = { |
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{ |
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.start = DM644X_ASYNC_EMIF_DATA_CE0_BASE, |
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.end = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1, |
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.flags = IORESOURCE_MEM, |
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}, { |
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.start = DM644X_ASYNC_EMIF_CONTROL_BASE, |
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.end = DM644X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1, |
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.flags = IORESOURCE_MEM, |
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}, |
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}; |
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static struct platform_device davinci_sffsdr_nandflash_device = { |
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.name = "davinci_nand", /* Name of driver */ |
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.id = 0, |
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.dev = { |
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.platform_data = &davinci_sffsdr_nandflash_data, |
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}, |
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.num_resources = ARRAY_SIZE(davinci_sffsdr_nandflash_resource), |
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.resource = davinci_sffsdr_nandflash_resource, |
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}; |
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static const struct property_entry eeprom_properties[] = { |
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PROPERTY_ENTRY_U32("pagesize", 32), |
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{ } |
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}; |
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static const struct software_node eeprom_node = { |
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.properties = eeprom_properties, |
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}; |
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static struct i2c_board_info __initdata i2c_info[] = { |
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{ |
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I2C_BOARD_INFO("24c64", 0x50), |
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.swnode = &eeprom_node, |
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}, |
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/* Other I2C devices: |
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* MSP430, addr 0x23 (not used) |
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* PCA9543, addr 0x70 (setup done by U-Boot) |
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* ADS7828, addr 0x48 (ADC for voltage monitoring.) |
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*/ |
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}; |
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static struct davinci_i2c_platform_data i2c_pdata = { |
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.bus_freq = 20 /* kHz */, |
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.bus_delay = 100 /* usec */, |
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}; |
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static void __init sffsdr_init_i2c(void) |
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{ |
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davinci_init_i2c(&i2c_pdata); |
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i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info)); |
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} |
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static struct platform_device *davinci_sffsdr_devices[] __initdata = { |
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&davinci_sffsdr_nandflash_device, |
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}; |
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static void __init davinci_sffsdr_map_io(void) |
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{ |
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dm644x_init(); |
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} |
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static __init void davinci_sffsdr_init(void) |
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{ |
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struct davinci_soc_info *soc_info = &davinci_soc_info; |
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dm644x_register_clocks(); |
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dm644x_init_devices(); |
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platform_add_devices(davinci_sffsdr_devices, |
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ARRAY_SIZE(davinci_sffsdr_devices)); |
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sffsdr_init_i2c(); |
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davinci_serial_init(dm644x_serial_device); |
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soc_info->emac_pdata->phy_id = SFFSDR_PHY_ID; |
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davinci_setup_usb(0, 0); /* We support only peripheral mode. */ |
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/* mux VLYNQ pins */ |
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davinci_cfg_reg(DM644X_VLYNQEN); |
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davinci_cfg_reg(DM644X_VLYNQWD); |
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} |
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MACHINE_START(SFFSDR, "Lyrtech SFFSDR") |
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.atag_offset = 0x100, |
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.map_io = davinci_sffsdr_map_io, |
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.init_irq = dm644x_init_irq, |
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.init_time = dm644x_init_time, |
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.init_machine = davinci_sffsdr_init, |
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.init_late = davinci_init_late, |
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.dma_zone_size = SZ_128M, |
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MACHINE_END
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