Orange Pi5 kernel

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