1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * linux/arch/arm/mach-sa1100/cerf.c
4 *
5 * Apr-2003 : Removed some old PDA crud [FB]
6 * Oct-2003 : Added uart2 resource [FB]
7 * Jan-2004 : Removed io map for flash [FB]
8 */
9
10#include <linux/init.h>
11#include <linux/gpio/machine.h>
12#include <linux/kernel.h>
13#include <linux/tty.h>
14#include <linux/platform_data/sa11x0-serial.h>
15#include <linux/platform_device.h>
16#include <linux/irq.h>
17#include <linux/mtd/mtd.h>
18#include <linux/mtd/partitions.h>
19#include <linux/gpio.h>
20#include <linux/leds.h>
21
22#include <mach/hardware.h>
23#include <asm/setup.h>
24
25#include <asm/mach-types.h>
26#include <asm/mach/arch.h>
27#include <asm/mach/flash.h>
28#include <asm/mach/map.h>
29
30#include <mach/cerf.h>
31#include <linux/platform_data/mfd-mcp-sa11x0.h>
32#include <mach/irqs.h>
33#include "generic.h"
34
35static struct resource cerfuart2_resources[] = {
36	[0] = DEFINE_RES_MEM(0x80030000, SZ_64K),
37};
38
39static struct platform_device cerfuart2_device = {
40	.name		= "sa11x0-uart",
41	.id		= 2,
42	.num_resources	= ARRAY_SIZE(cerfuart2_resources),
43	.resource	= cerfuart2_resources,
44};
45
46/* Compact Flash */
47static struct gpiod_lookup_table cerf_cf_gpio_table = {
48	.dev_id = "sa11x0-pcmcia.1",
49	.table = {
50		GPIO_LOOKUP("gpio", 19, "bvd2", GPIO_ACTIVE_HIGH),
51		GPIO_LOOKUP("gpio", 20, "bvd1", GPIO_ACTIVE_HIGH),
52		GPIO_LOOKUP("gpio", 21, "reset", GPIO_ACTIVE_HIGH),
53		GPIO_LOOKUP("gpio", 22, "ready", GPIO_ACTIVE_HIGH),
54		GPIO_LOOKUP("gpio", 23, "detect", GPIO_ACTIVE_LOW),
55		{ },
56	},
57};
58
59/* LEDs */
60struct gpio_led cerf_gpio_leds[] = {
61	{
62		.name			= "cerf:d0",
63		.default_trigger	= "heartbeat",
64		.gpio			= 0,
65	},
66	{
67		.name			= "cerf:d1",
68		.default_trigger	= "cpu0",
69		.gpio			= 1,
70	},
71	{
72		.name			= "cerf:d2",
73		.default_trigger	= "default-on",
74		.gpio			= 2,
75	},
76	{
77		.name			= "cerf:d3",
78		.default_trigger	= "default-on",
79		.gpio			= 3,
80	},
81
82};
83
84static struct gpio_led_platform_data cerf_gpio_led_info = {
85	.leds		= cerf_gpio_leds,
86	.num_leds	= ARRAY_SIZE(cerf_gpio_leds),
87};
88
89static struct platform_device *cerf_devices[] __initdata = {
90	&cerfuart2_device,
91};
92
93#ifdef CONFIG_SA1100_CERF_FLASH_32MB
94#  define CERF_FLASH_SIZE	0x02000000
95#elif defined CONFIG_SA1100_CERF_FLASH_16MB
96#  define CERF_FLASH_SIZE	0x01000000
97#elif defined CONFIG_SA1100_CERF_FLASH_8MB
98#  define CERF_FLASH_SIZE	0x00800000
99#else
100#  error "Undefined flash size for CERF"
101#endif
102
103static struct mtd_partition cerf_partitions[] = {
104	{
105		.name		= "Bootloader",
106		.size		= 0x00020000,
107		.offset		= 0x00000000,
108	}, {
109		.name		= "Params",
110		.size		= 0x00040000,
111		.offset		= 0x00020000,
112	}, {
113		.name		= "Kernel",
114		.size		= 0x00100000,
115		.offset		= 0x00060000,
116	}, {
117		.name		= "Filesystem",
118		.size		= CERF_FLASH_SIZE-0x00160000,
119		.offset		= 0x00160000,
120	}
121};
122
123static struct flash_platform_data cerf_flash_data = {
124	.map_name	= "cfi_probe",
125	.parts		= cerf_partitions,
126	.nr_parts	= ARRAY_SIZE(cerf_partitions),
127};
128
129static struct resource cerf_flash_resource =
130	DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M);
131
132static void __init cerf_init_irq(void)
133{
134	sa1100_init_irq();
135	irq_set_irq_type(CERF_ETH_IRQ, IRQ_TYPE_EDGE_RISING);
136}
137
138static struct map_desc cerf_io_desc[] __initdata = {
139  	{	/* Crystal Ethernet Chip */
140		.virtual	=  0xf0000000,
141		.pfn		= __phys_to_pfn(0x08000000),
142		.length		= 0x00100000,
143		.type		= MT_DEVICE
144	}
145};
146
147static void __init cerf_map_io(void)
148{
149	sa1100_map_io();
150	iotable_init(cerf_io_desc, ARRAY_SIZE(cerf_io_desc));
151
152	sa1100_register_uart(0, 3);
153	sa1100_register_uart(1, 2); /* disable this and the uart2 device for sa1100_fir */
154	sa1100_register_uart(2, 1);
155}
156
157static struct mcp_plat_data cerf_mcp_data = {
158	.mccr0		= MCCR0_ADM,
159	.sclk_rate	= 11981000,
160};
161
162static void __init cerf_init(void)
163{
164	sa11x0_ppc_configure_mcp();
165	platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices));
166	gpio_led_register_device(-1, &cerf_gpio_led_info);
167	sa11x0_register_mtd(&cerf_flash_data, &cerf_flash_resource, 1);
168	sa11x0_register_mcp(&cerf_mcp_data);
169	sa11x0_register_pcmcia(1, &cerf_cf_gpio_table);
170}
171
172MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube")
173	/* Maintainer: support@intrinsyc.com */
174	.map_io		= cerf_map_io,
175	.nr_irqs	= SA1100_NR_IRQS,
176	.init_irq	= cerf_init_irq,
177	.init_time	= sa1100_timer_init,
178	.init_machine	= cerf_init,
179	.init_late	= sa11x0_init_late,
180	.restart	= sa11x0_restart,
181MACHINE_END
182