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 struct i2c_board_info __initdata i2c_info[] =  {
88	{
89		I2C_BOARD_INFO("24c64", 0x50),
90		.properties = eeprom_properties,
91	},
92	/* Other I2C devices:
93	 * MSP430,  addr 0x23 (not used)
94	 * PCA9543, addr 0x70 (setup done by U-Boot)
95	 * ADS7828, addr 0x48 (ADC for voltage monitoring.)
96	 */
97};
98
99static struct davinci_i2c_platform_data i2c_pdata = {
100	.bus_freq	= 20 /* kHz */,
101	.bus_delay	= 100 /* usec */,
102};
103
104static void __init sffsdr_init_i2c(void)
105{
106	davinci_init_i2c(&i2c_pdata);
107	i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
108}
109
110static struct platform_device *davinci_sffsdr_devices[] __initdata = {
111	&davinci_sffsdr_nandflash_device,
112};
113
114static void __init davinci_sffsdr_map_io(void)
115{
116	dm644x_init();
117}
118
119static __init void davinci_sffsdr_init(void)
120{
121	struct davinci_soc_info *soc_info = &davinci_soc_info;
122
123	dm644x_register_clocks();
124
125	dm644x_init_devices();
126
127	platform_add_devices(davinci_sffsdr_devices,
128			     ARRAY_SIZE(davinci_sffsdr_devices));
129	sffsdr_init_i2c();
130	davinci_serial_init(dm644x_serial_device);
131	soc_info->emac_pdata->phy_id = SFFSDR_PHY_ID;
132	davinci_setup_usb(0, 0); /* We support only peripheral mode. */
133
134	/* mux VLYNQ pins */
135	davinci_cfg_reg(DM644X_VLYNQEN);
136	davinci_cfg_reg(DM644X_VLYNQWD);
137}
138
139MACHINE_START(SFFSDR, "Lyrtech SFFSDR")
140	.atag_offset  = 0x100,
141	.map_io	      = davinci_sffsdr_map_io,
142	.init_irq     = dm644x_init_irq,
143	.init_time	= dm644x_init_time,
144	.init_machine = davinci_sffsdr_init,
145	.init_late	= davinci_init_late,
146	.dma_zone_size	= SZ_128M,
147MACHINE_END
148