LXR linux/arch/arm/mach-davinci/board-sffsdr.c

   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * Lyrtech SFFSDR board support.
   4 *
   5 * Copyright (C) 2008 Philip Balister, OpenSDR <philip@opensdr.com>
   6 * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
   7 *
   8 * Based on DV-EVM platform, original copyright follows:
   9 *
  10 * Copyright (C) 2007 MontaVista Software, Inc.
  11 */
  12
  13#include <linux/init.h>
  14#include <linux/platform_device.h>
  15#include <linux/i2c.h>
  16#include <linux/property.h>
  17#include <linux/mtd/mtd.h>
  18#include <linux/mtd/rawnand.h>
  19#include <linux/mtd/partitions.h>
  20
  21#include <asm/mach-types.h>
  22#include <asm/mach/arch.h>
  23#include <asm/mach/flash.h>
  24
  25#include <mach/common.h>
  26#include <linux/platform_data/i2c-davinci.h>
  27#include <mach/serial.h>
  28#include <mach/mux.h>
  29#include <linux/platform_data/usb-davinci.h>
  30
  31#include "davinci.h"
  32
  33#define SFFSDR_PHY_ID           "davinci_mdio-0:01"
  34static struct mtd_partition davinci_sffsdr_nandflash_partition[] = {
  35        /* U-Boot Environment: Block 0
  36         * UBL:                Block 1
  37         * U-Boot:             Blocks 6-7 (256 kb)
  38         * Integrity Kernel:   Blocks 8-31 (3 Mb)
  39         * Integrity Data:     Blocks 100-END
  40         */
  41        {
  42                .name           = "Linux Kernel",
  43                .offset         = 32 * SZ_128K,
  44                .size           = 16 * SZ_128K, /* 2 Mb */
  45                .mask_flags     = MTD_WRITEABLE, /* Force read-only */
  46        },
  47        {
  48                .name           = "Linux ROOT",
  49                .offset         = MTDPART_OFS_APPEND,
  50                .size           = 256 * SZ_128K, /* 32 Mb */
  51                .mask_flags     = 0, /* R/W */
  52        },
  53};
  54
  55static struct flash_platform_data davinci_sffsdr_nandflash_data = {
  56        .parts          = davinci_sffsdr_nandflash_partition,
  57        .nr_parts       = ARRAY_SIZE(davinci_sffsdr_nandflash_partition),
  58};
  59
  60static struct resource davinci_sffsdr_nandflash_resource[] = {
  61        {
  62                .start          = DM644X_ASYNC_EMIF_DATA_CE0_BASE,
  63                .end            = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
  64                .flags          = IORESOURCE_MEM,
  65        }, {
  66                .start          = DM644X_ASYNC_EMIF_CONTROL_BASE,
  67                .end            = DM644X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
  68                .flags          = IORESOURCE_MEM,
  69        },
  70};
  71
  72static struct platform_device davinci_sffsdr_nandflash_device = {
  73        .name           = "davinci_nand", /* Name of driver */
  74        .id             = 0,
  75        .dev            = {
  76                .platform_data  = &davinci_sffsdr_nandflash_data,
  77        },
  78        .num_resources  = ARRAY_SIZE(davinci_sffsdr_nandflash_resource),
  79        .resource       = davinci_sffsdr_nandflash_resource,
  80};
  81
  82static const struct property_entry eeprom_properties[] = {
  83        PROPERTY_ENTRY_U32("pagesize", 32),
  84        { }
  85};
  86
  87static const struct software_node eeprom_node = {
  88        .properties = eeprom_properties,
  89};
  90
  91static struct i2c_board_info __initdata i2c_info[] =  {
  92        {
  93                I2C_BOARD_INFO("24c64", 0x50),
  94                .swnode = &eeprom_node,
  95        },
  96        /* Other I2C devices:
  97         * MSP430,  addr 0x23 (not used)
  98         * PCA9543, addr 0x70 (setup done by U-Boot)
  99         * ADS7828, addr 0x48 (ADC for voltage monitoring.)
 100         */
 101};
 102
 103static struct davinci_i2c_platform_data i2c_pdata = {
 104        .bus_freq       = 20 /* kHz */,
 105        .bus_delay      = 100 /* usec */,
 106};
 107
 108static void __init sffsdr_init_i2c(void)
 109{
 110        davinci_init_i2c(&i2c_pdata);
 111        i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
 112}
 113
 114static struct platform_device *davinci_sffsdr_devices[] __initdata = {
 115        &davinci_sffsdr_nandflash_device,
 116};
 117
 118static void __init davinci_sffsdr_map_io(void)
 119{
 120        dm644x_init();
 121}
 122
 123static __init void davinci_sffsdr_init(void)
 124{
 125        struct davinci_soc_info *soc_info = &davinci_soc_info;
 126
 127        dm644x_register_clocks();
 128
 129        dm644x_init_devices();
 130
 131        platform_add_devices(davinci_sffsdr_devices,
 132                             ARRAY_SIZE(davinci_sffsdr_devices));
 133        sffsdr_init_i2c();
 134        davinci_serial_init(dm644x_serial_device);
 135        soc_info->emac_pdata->phy_id = SFFSDR_PHY_ID;
 136        davinci_setup_usb(0, 0); /* We support only peripheral mode. */
 137
 138        /* mux VLYNQ pins */
 139        davinci_cfg_reg(DM644X_VLYNQEN);
 140        davinci_cfg_reg(DM644X_VLYNQWD);
 141}
 142
 143MACHINE_START(SFFSDR, "Lyrtech SFFSDR")
 144        .atag_offset  = 0x100,
 145        .map_io       = davinci_sffsdr_map_io,
 146        .init_irq     = dm644x_init_irq,
 147        .init_time      = dm644x_init_time,
 148        .init_machine = davinci_sffsdr_init,
 149        .init_late      = davinci_init_late,
 150        .dma_zone_size  = SZ_128M,
 151MACHINE_END
 152