Linux Kernel  3.7.1
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flint.c
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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 
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
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