1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * linux/arch/arm/mach-pxa/capc7117.c
4 *
5 * Support for the Embedian CAPC-7117 Evaluation Kit
6 * based on the Embedian MXM-8x10 Computer on Module
7 *
8 * Copyright (C) 2009 Embedian Inc.
9 * Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd.
10 *
11 * 2007-09-04: eric miao <eric.y.miao@gmail.com>
12 *             rewrite to align with latest kernel
13 *
14 * 2010-01-09: Edwin Peer <epeer@tmtservices.co.za>
15 *             Hennie van der Merwe <hvdmerwe@tmtservices.co.za>
16 *             rework for upstream merge
17 */
18
19#include <linux/irq.h>
20#include <linux/platform_device.h>
21#include <linux/ata_platform.h>
22#include <linux/serial_8250.h>
23#include <linux/gpio.h>
24#include <linux/regulator/machine.h>
25
26#include <asm/mach-types.h>
27#include <asm/mach/arch.h>
28
29#include "pxa320.h"
30#include "mxm8x10.h"
31
32#include "generic.h"
33
34/* IDE (PATA) Support */
35static struct pata_platform_info pata_platform_data = {
36	.ioport_shift = 1
37};
38
39static struct resource capc7117_ide_resources[] = {
40	[0] = {
41	       .start = 0x11000020,
42	       .end = 0x1100003f,
43	       .flags = IORESOURCE_MEM
44	},
45	[1] = {
46	       .start = 0x1100001c,
47	       .end = 0x1100001c,
48	       .flags = IORESOURCE_MEM
49	},
50	[2] = {
51	       .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
52	       .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
53	       .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING
54	}
55};
56
57static struct platform_device capc7117_ide_device = {
58	.name = "pata_platform",
59	.num_resources = ARRAY_SIZE(capc7117_ide_resources),
60	.resource = capc7117_ide_resources,
61	.dev = {
62		.platform_data = &pata_platform_data,
63		.coherent_dma_mask = ~0		/* grumble */
64	}
65};
66
67static void __init capc7117_ide_init(void)
68{
69	platform_device_register(&capc7117_ide_device);
70}
71
72/* TI16C752 UART support */
73#define	TI16C752_FLAGS		(UPF_BOOT_AUTOCONF | \
74					UPF_IOREMAP | \
75					UPF_BUGGY_UART | \
76					UPF_SKIP_TEST)
77#define	TI16C752_UARTCLK	(22118400)
78static struct plat_serial8250_port ti16c752_platform_data[] = {
79	[0] = {
80	       .mapbase = 0x14000000,
81	       .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO78)),
82	       .irqflags = IRQF_TRIGGER_RISING,
83	       .flags = TI16C752_FLAGS,
84	       .iotype = UPIO_MEM,
85	       .regshift = 1,
86	       .uartclk = TI16C752_UARTCLK
87	},
88	[1] = {
89	       .mapbase = 0x14000040,
90	       .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO79)),
91	       .irqflags = IRQF_TRIGGER_RISING,
92	       .flags = TI16C752_FLAGS,
93	       .iotype = UPIO_MEM,
94	       .regshift = 1,
95	       .uartclk = TI16C752_UARTCLK
96	},
97	[2] = {
98	       .mapbase = 0x14000080,
99	       .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO80)),
100	       .irqflags = IRQF_TRIGGER_RISING,
101	       .flags = TI16C752_FLAGS,
102	       .iotype = UPIO_MEM,
103	       .regshift = 1,
104	       .uartclk = TI16C752_UARTCLK
105	},
106	[3] = {
107	       .mapbase = 0x140000c0,
108	       .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO81)),
109	       .irqflags = IRQF_TRIGGER_RISING,
110	       .flags = TI16C752_FLAGS,
111	       .iotype = UPIO_MEM,
112	       .regshift = 1,
113	       .uartclk = TI16C752_UARTCLK
114	},
115	[4] = {
116	       /* end of array */
117	}
118};
119
120static struct platform_device ti16c752_device = {
121	.name = "serial8250",
122	.id = PLAT8250_DEV_PLATFORM,
123	.dev = {
124		.platform_data = ti16c752_platform_data
125	}
126};
127
128static void __init capc7117_uarts_init(void)
129{
130	platform_device_register(&ti16c752_device);
131}
132
133static void __init capc7117_init(void)
134{
135	/* Init CoM */
136	mxm_8x10_barebones_init();
137
138	/* Init evaluation board peripherals */
139	mxm_8x10_ac97_init();
140	mxm_8x10_usb_host_init();
141	mxm_8x10_mmc_init();
142
143	capc7117_uarts_init();
144	capc7117_ide_init();
145
146	regulator_has_full_constraints();
147}
148
149MACHINE_START(CAPC7117,
150	      "Embedian CAPC-7117 evaluation kit based on the MXM-8x10 CoM")
151	.atag_offset = 0x100,
152	.map_io = pxa3xx_map_io,
153	.nr_irqs = PXA_NR_IRQS,
154	.init_irq = pxa3xx_init_irq,
155	.handle_irq = pxa3xx_handle_irq,
156	.init_time	= pxa_timer_init,
157	.init_machine = capc7117_init,
158	.restart	= pxa_restart,
159MACHINE_END
160