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/interrupt.h>
20
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23 #include <mach/addr-map.h>
24 #include <mach/mfp-mmp2.h>
25 #include <mach/mmp2.h>
26 #include <mach/irqs.h>
27
28 #include "common.h"
29
30 #define FLINT_NR_IRQS (MMP_NR_IRQS + 48)
31
32 static unsigned long flint_pin_config[] __initdata = {
33 /* UART1 */
34 GPIO45_UART1_RXD,
35 GPIO46_UART1_TXD,
36
37 /* UART2 */
38 GPIO47_UART2_RXD,
39 GPIO48_UART2_TXD,
40
41 /* SMC */
42 GPIO151_SMC_SCLK,
43 GPIO145_SMC_nCS0,
44 GPIO146_SMC_nCS1,
45 GPIO152_SMC_BE0,
46 GPIO153_SMC_BE1,
47 GPIO154_SMC_IRQ,
48 GPIO113_SMC_RDY,
49
50 /*Ethernet*/
51 GPIO155_GPIO,
52
53 /* DFI */
54 GPIO168_DFI_D0,
55 GPIO167_DFI_D1,
56 GPIO166_DFI_D2,
57 GPIO165_DFI_D3,
58 GPIO107_DFI_D4,
59 GPIO106_DFI_D5,
60 GPIO105_DFI_D6,
61 GPIO104_DFI_D7,
62 GPIO111_DFI_D8,
63 GPIO164_DFI_D9,
64 GPIO163_DFI_D10,
65 GPIO162_DFI_D11,
66 GPIO161_DFI_D12,
67 GPIO110_DFI_D13,
68 GPIO109_DFI_D14,
69 GPIO108_DFI_D15,
70 GPIO143_ND_nCS0,
71 GPIO144_ND_nCS1,
72 GPIO147_ND_nWE,
73 GPIO148_ND_nRE,
74 GPIO150_ND_ALE,
75 GPIO149_ND_CLE,
76 GPIO112_ND_RDY0,
77 GPIO160_ND_RDY1,
78 };
79
80 static struct smc91x_platdata flint_smc91x_info = {
81 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
82 };
83
84 static struct resource smc91x_resources[] = {
85 [0] = {
86 .start = SMC_CS1_PHYS_BASE + 0x300,
87 .end = SMC_CS1_PHYS_BASE + 0xfffff,
88 .flags = IORESOURCE_MEM,
89 },
90 [1] = {
91 .start = MMP_GPIO_TO_IRQ(155),
92 .end = MMP_GPIO_TO_IRQ(155),
93 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
94 }
95 };
96
97 static struct platform_device smc91x_device = {
98 .name = "smc91x",
99 .id = 0,
100 .dev = {
101 .platform_data = &flint_smc91x_info,
102 },
103 .num_resources = ARRAY_SIZE(smc91x_resources),
104 .resource = smc91x_resources,
105 };
106
flint_init(void)107 static void __init flint_init(void)
108 {
109 mfp_config(ARRAY_AND_SIZE(flint_pin_config));
110
111 /* on-chip devices */
112 mmp2_add_uart(1);
113 mmp2_add_uart(2);
114 platform_device_register(&mmp2_device_gpio);
115
116 /* off-chip devices */
117 platform_device_register(&smc91x_device);
118 }
119
120 MACHINE_START(FLINT, "Flint Development Platform")
121 .map_io = mmp_map_io,
122 .nr_irqs = FLINT_NR_IRQS,
123 .init_irq = mmp2_init_irq,
124 .timer = &mmp2_timer,
125 .init_machine = flint_init,
126 .restart = mmp_restart,
127 MACHINE_END
128