1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 *  linux/arch/arm/mach-mmp/flint.c
4 *
5 *  Support for the Marvell Flint Development Platform.
6 *
7 *  Copyright (C) 2009 Marvell International Ltd.
8 */
9
10#include <linux/init.h>
11#include <linux/kernel.h>
12#include <linux/platform_device.h>
13#include <linux/smc91x.h>
14#include <linux/io.h>
15#include <linux/gpio.h>
16#include <linux/gpio-pxa.h>
17#include <linux/interrupt.h>
18
19#include <asm/mach-types.h>
20#include <asm/mach/arch.h>
21#include "addr-map.h"
22#include "mfp-mmp2.h"
23#include "mmp2.h"
24#include "irqs.h"
25
26#include "common.h"
27
28#define FLINT_NR_IRQS	(MMP_NR_IRQS + 48)
29
30static unsigned long flint_pin_config[] __initdata = {
31	/* UART1 */
32	GPIO45_UART1_RXD,
33	GPIO46_UART1_TXD,
34
35	/* UART2 */
36	GPIO47_UART2_RXD,
37	GPIO48_UART2_TXD,
38
39	/* SMC */
40	GPIO151_SMC_SCLK,
41	GPIO145_SMC_nCS0,
42	GPIO146_SMC_nCS1,
43	GPIO152_SMC_BE0,
44	GPIO153_SMC_BE1,
45	GPIO154_SMC_IRQ,
46	GPIO113_SMC_RDY,
47
48	/*Ethernet*/
49	GPIO155_GPIO,
50
51	/* DFI */
52	GPIO168_DFI_D0,
53	GPIO167_DFI_D1,
54	GPIO166_DFI_D2,
55	GPIO165_DFI_D3,
56	GPIO107_DFI_D4,
57	GPIO106_DFI_D5,
58	GPIO105_DFI_D6,
59	GPIO104_DFI_D7,
60	GPIO111_DFI_D8,
61	GPIO164_DFI_D9,
62	GPIO163_DFI_D10,
63	GPIO162_DFI_D11,
64	GPIO161_DFI_D12,
65	GPIO110_DFI_D13,
66	GPIO109_DFI_D14,
67	GPIO108_DFI_D15,
68	GPIO143_ND_nCS0,
69	GPIO144_ND_nCS1,
70	GPIO147_ND_nWE,
71	GPIO148_ND_nRE,
72	GPIO150_ND_ALE,
73	GPIO149_ND_CLE,
74	GPIO112_ND_RDY0,
75	GPIO160_ND_RDY1,
76};
77
78static struct pxa_gpio_platform_data mmp2_gpio_pdata = {
79	.irq_base	= MMP_GPIO_TO_IRQ(0),
80};
81
82static struct smc91x_platdata flint_smc91x_info = {
83	.flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
84};
85
86static struct resource smc91x_resources[] = {
87	[0] = {
88		.start  = SMC_CS1_PHYS_BASE + 0x300,
89		.end    = SMC_CS1_PHYS_BASE + 0xfffff,
90		.flags  = IORESOURCE_MEM,
91	},
92	[1] = {
93		.start  = MMP_GPIO_TO_IRQ(155),
94		.end    = MMP_GPIO_TO_IRQ(155),
95		.flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
96	}
97};
98
99static struct platform_device smc91x_device = {
100	.name           = "smc91x",
101	.id             = 0,
102	.dev            = {
103		.platform_data = &flint_smc91x_info,
104	},
105	.num_resources  = ARRAY_SIZE(smc91x_resources),
106	.resource       = smc91x_resources,
107};
108
109static void __init flint_init(void)
110{
111	mfp_config(ARRAY_AND_SIZE(flint_pin_config));
112
113	/* on-chip devices */
114	mmp2_add_uart(1);
115	mmp2_add_uart(2);
116	platform_device_add_data(&mmp2_device_gpio, &mmp2_gpio_pdata,
117				 sizeof(struct pxa_gpio_platform_data));
118	platform_device_register(&mmp2_device_gpio);
119
120	/* off-chip devices */
121	platform_device_register(&smc91x_device);
122}
123
124MACHINE_START(FLINT, "Flint Development Platform")
125	.map_io		= mmp_map_io,
126	.nr_irqs	= FLINT_NR_IRQS,
127	.init_irq       = mmp2_init_irq,
128	.init_time	= mmp2_timer_init,
129	.init_machine   = flint_init,
130	.restart	= mmp_restart,
131MACHINE_END
132