1// SPDX-License-Identifier: GPL-2.0+
2//
3// Copyright (c) 2007 TinCanTools
4//	David Anders <danders@amltd.com>
5//
6// @History:
7// derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by
8// Ben Dooks <ben@simtec.co.uk>
9
10#include <linux/gpio/machine.h>
11#include <linux/kernel.h>
12#include <linux/types.h>
13#include <linux/interrupt.h>
14#include <linux/list.h>
15#include <linux/timer.h>
16#include <linux/init.h>
17#include <linux/device.h>
18#include <linux/platform_device.h>
19#include <linux/serial_core.h>
20#include <linux/serial_s3c.h>
21#include <linux/io.h>
22
23#include <asm/mach/arch.h>
24#include <asm/mach/map.h>
25#include <asm/mach/irq.h>
26#include <asm/mach/flash.h>
27
28#include <asm/irq.h>
29#include <asm/mach-types.h>
30
31#include <linux/platform_data/i2c-s3c2410.h>
32#include "devs.h"
33#include "cpu.h"
34
35#include <linux/mtd/mtd.h>
36#include <linux/mtd/partitions.h>
37#include <linux/mtd/map.h>
38#include <linux/mtd/physmap.h>
39
40#include "s3c24xx.h"
41
42static struct resource tct_hammer_nor_resource =
43			DEFINE_RES_MEM(0x00000000, SZ_16M);
44
45static struct mtd_partition tct_hammer_mtd_partitions[] = {
46	{
47		.name		= "System",
48		.size		= 0x240000,
49		.offset		= 0,
50		.mask_flags 	= MTD_WRITEABLE,  /* force read-only */
51	}, {
52		.name		= "JFFS2",
53		.size		= MTDPART_SIZ_FULL,
54		.offset		= MTDPART_OFS_APPEND,
55	}
56};
57
58static struct physmap_flash_data tct_hammer_flash_data = {
59	.width		= 2,
60	.parts		= tct_hammer_mtd_partitions,
61	.nr_parts	= ARRAY_SIZE(tct_hammer_mtd_partitions),
62};
63
64static struct platform_device tct_hammer_device_nor = {
65	.name		= "physmap-flash",
66	.id		= 0,
67	.dev = {
68			.platform_data = &tct_hammer_flash_data,
69		},
70	.num_resources	= 1,
71	.resource	= &tct_hammer_nor_resource,
72};
73
74static struct map_desc tct_hammer_iodesc[] __initdata = {
75};
76
77#define UCON S3C2410_UCON_DEFAULT
78#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
79#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
80
81static struct s3c2410_uartcfg tct_hammer_uartcfgs[] = {
82	[0] = {
83		.hwport	     = 0,
84		.flags	     = 0,
85		.ucon	     = UCON,
86		.ulcon	     = ULCON,
87		.ufcon	     = UFCON,
88	},
89	[1] = {
90		.hwport	     = 1,
91		.flags	     = 0,
92		.ucon	     = UCON,
93		.ulcon	     = ULCON,
94		.ufcon	     = UFCON,
95	},
96	[2] = {
97		.hwport	     = 2,
98		.flags	     = 0,
99		.ucon	     = UCON,
100		.ulcon	     = ULCON,
101		.ufcon	     = UFCON,
102	}
103};
104
105static struct gpiod_lookup_table tct_hammer_mmc_gpio_table = {
106	.dev_id = "s3c2410-sdi",
107	.table = {
108		/* bus pins */
109		GPIO_LOOKUP_IDX("GPIOE",  5, "bus", 0, GPIO_ACTIVE_HIGH),
110		GPIO_LOOKUP_IDX("GPIOE",  6, "bus", 1, GPIO_ACTIVE_HIGH),
111		GPIO_LOOKUP_IDX("GPIOE",  7, "bus", 2, GPIO_ACTIVE_HIGH),
112		GPIO_LOOKUP_IDX("GPIOE",  8, "bus", 3, GPIO_ACTIVE_HIGH),
113		GPIO_LOOKUP_IDX("GPIOE",  9, "bus", 4, GPIO_ACTIVE_HIGH),
114		GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
115		{ },
116	},
117};
118
119static struct platform_device *tct_hammer_devices[] __initdata = {
120	&s3c_device_adc,
121	&s3c_device_wdt,
122	&s3c_device_i2c0,
123	&s3c_device_ohci,
124	&s3c_device_rtc,
125	&s3c_device_usbgadget,
126	&s3c_device_sdi,
127	&tct_hammer_device_nor,
128};
129
130static void __init tct_hammer_map_io(void)
131{
132	s3c24xx_init_io(tct_hammer_iodesc, ARRAY_SIZE(tct_hammer_iodesc));
133	s3c24xx_init_uarts(tct_hammer_uartcfgs, ARRAY_SIZE(tct_hammer_uartcfgs));
134	s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
135}
136
137static void __init tct_hammer_init_time(void)
138{
139	s3c2410_init_clocks(12000000);
140	s3c24xx_timer_init();
141}
142
143static void __init tct_hammer_init(void)
144{
145	s3c_i2c0_set_platdata(NULL);
146	gpiod_add_lookup_table(&tct_hammer_mmc_gpio_table);
147	platform_add_devices(tct_hammer_devices, ARRAY_SIZE(tct_hammer_devices));
148}
149
150MACHINE_START(TCT_HAMMER, "TCT_HAMMER")
151	.atag_offset	= 0x100,
152	.map_io		= tct_hammer_map_io,
153	.init_irq	= s3c2410_init_irq,
154	.init_machine	= tct_hammer_init,
155	.init_time	= tct_hammer_init_time,
156MACHINE_END
157