1 /*
2 * linux/arch/arm/mach-mmp/flint.c
3 *
4 * Support for the Marvell Flint Development Platform.
5 *
6 * Copyright (C) 2009 Marvell International Ltd.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * publishhed by the Free Software Foundation.
11 */
12
13 #include <linux/init.h>
14 #include <linux/kernel.h>
15 #include <linux/platform_device.h>
16 #include <linux/smc91x.h>
17 #include <linux/io.h>
18 #include <linux/gpio.h>
19 #include <linux/gpio-pxa.h>
20 #include <linux/interrupt.h>
21
22 #include <asm/mach-types.h>
23 #include <asm/mach/arch.h>
24 #include "addr-map.h"
25 #include "mfp-mmp2.h"
26 #include "mmp2.h"
27 #include "irqs.h"
28
29 #include "common.h"
30
31 #define FLINT_NR_IRQS (MMP_NR_IRQS + 48)
32
33 static unsigned long flint_pin_config[] __initdata = {
34 /* UART1 */
35 GPIO45_UART1_RXD,
36 GPIO46_UART1_TXD,
37
38 /* UART2 */
39 GPIO47_UART2_RXD,
40 GPIO48_UART2_TXD,
41
42 /* SMC */
43 GPIO151_SMC_SCLK,
44 GPIO145_SMC_nCS0,
45 GPIO146_SMC_nCS1,
46 GPIO152_SMC_BE0,
47 GPIO153_SMC_BE1,
48 GPIO154_SMC_IRQ,
49 GPIO113_SMC_RDY,
50
51 /*Ethernet*/
52 GPIO155_GPIO,
53
54 /* DFI */
55 GPIO168_DFI_D0,
56 GPIO167_DFI_D1,
57 GPIO166_DFI_D2,
58 GPIO165_DFI_D3,
59 GPIO107_DFI_D4,
60 GPIO106_DFI_D5,
61 GPIO105_DFI_D6,
62 GPIO104_DFI_D7,
63 GPIO111_DFI_D8,
64 GPIO164_DFI_D9,
65 GPIO163_DFI_D10,
66 GPIO162_DFI_D11,
67 GPIO161_DFI_D12,
68 GPIO110_DFI_D13,
69 GPIO109_DFI_D14,
70 GPIO108_DFI_D15,
71 GPIO143_ND_nCS0,
72 GPIO144_ND_nCS1,
73 GPIO147_ND_nWE,
74 GPIO148_ND_nRE,
75 GPIO150_ND_ALE,
76 GPIO149_ND_CLE,
77 GPIO112_ND_RDY0,
78 GPIO160_ND_RDY1,
79 };
80
81 static struct pxa_gpio_platform_data mmp2_gpio_pdata = {
82 .irq_base = MMP_GPIO_TO_IRQ(0),
83 };
84
85 static struct smc91x_platdata flint_smc91x_info = {
86 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
87 };
88
89 static struct resource smc91x_resources[] = {
90 [0] = {
91 .start = SMC_CS1_PHYS_BASE + 0x300,
92 .end = SMC_CS1_PHYS_BASE + 0xfffff,
93 .flags = IORESOURCE_MEM,
94 },
95 [1] = {
96 .start = MMP_GPIO_TO_IRQ(155),
97 .end = MMP_GPIO_TO_IRQ(155),
98 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
99 }
100 };
101
102 static struct platform_device smc91x_device = {
103 .name = "smc91x",
104 .id = 0,
105 .dev = {
106 .platform_data = &flint_smc91x_info,
107 },
108 .num_resources = ARRAY_SIZE(smc91x_resources),
109 .resource = smc91x_resources,
110 };
111
flint_init(void)112 static void __init flint_init(void)
113 {
114 mfp_config(ARRAY_AND_SIZE(flint_pin_config));
115
116 /* on-chip devices */
117 mmp2_add_uart(1);
118 mmp2_add_uart(2);
119 platform_device_add_data(&mmp2_device_gpio, &mmp2_gpio_pdata,
120 sizeof(struct pxa_gpio_platform_data));
121 platform_device_register(&mmp2_device_gpio);
122
123 /* off-chip devices */
124 platform_device_register(&smc91x_device);
125 }
126
127 MACHINE_START(FLINT, "Flint Development Platform")
128 .map_io = mmp_map_io,
129 .nr_irqs = FLINT_NR_IRQS,
130 .init_irq = mmp2_init_irq,
131 .init_time = mmp2_timer_init,
132 .init_machine = flint_init,
133 .restart = mmp_restart,
134 MACHINE_END
135
