Linux Kernel  3.7.1
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tavorevb.c
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1 /*
2  * linux/arch/arm/mach-mmp/tavorevb.c
3  *
4  * Support for the Marvell PXA910-based TavorEVB Development Platform.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * publishhed by the Free Software Foundation.
9  */
10 #include <linux/gpio.h>
11 #include <linux/init.h>
12 #include <linux/kernel.h>
13 #include <linux/platform_device.h>
14 #include <linux/smc91x.h>
15 
16 #include <asm/mach-types.h>
17 #include <asm/mach/arch.h>
18 #include <mach/addr-map.h>
19 #include <mach/mfp-pxa910.h>
20 #include <mach/pxa910.h>
21 #include <mach/irqs.h>
22 
23 #include "common.h"
24 
25 static unsigned long tavorevb_pin_config[] __initdata = {
26  /* UART2 */
27  GPIO47_UART2_RXD,
28  GPIO48_UART2_TXD,
29 
30  /* SMC */
31  SM_nCS0_nCS0,
32  SM_ADV_SM_ADV,
33  SM_SCLK_SM_SCLK,
34  SM_SCLK_SM_SCLK,
35  SM_BE0_SM_BE0,
36  SM_BE1_SM_BE1,
37 
38  /* DFI */
39  DF_IO0_ND_IO0,
40  DF_IO1_ND_IO1,
41  DF_IO2_ND_IO2,
42  DF_IO3_ND_IO3,
43  DF_IO4_ND_IO4,
44  DF_IO5_ND_IO5,
45  DF_IO6_ND_IO6,
46  DF_IO7_ND_IO7,
47  DF_IO8_ND_IO8,
48  DF_IO9_ND_IO9,
49  DF_IO10_ND_IO10,
50  DF_IO11_ND_IO11,
51  DF_IO12_ND_IO12,
52  DF_IO13_ND_IO13,
53  DF_IO14_ND_IO14,
54  DF_IO15_ND_IO15,
55  DF_nCS0_SM_nCS2_nCS0,
56  DF_ALE_SM_WEn_ND_ALE,
57  DF_CLE_SM_OEn_ND_CLE,
58  DF_WEn_DF_WEn,
59  DF_REn_DF_REn,
60  DF_RDY0_DF_RDY0,
61 };
62 
63 static struct smc91x_platdata tavorevb_smc91x_info = {
64  .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
65 };
66 
67 static struct resource smc91x_resources[] = {
68  [0] = {
69  .start = SMC_CS1_PHYS_BASE + 0x300,
70  .end = SMC_CS1_PHYS_BASE + 0xfffff,
71  .flags = IORESOURCE_MEM,
72  },
73  [1] = {
74  .start = MMP_GPIO_TO_IRQ(80),
75  .end = MMP_GPIO_TO_IRQ(80),
76  .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
77  }
78 };
79 
80 static struct platform_device smc91x_device = {
81  .name = "smc91x",
82  .id = 0,
83  .dev = {
84  .platform_data = &tavorevb_smc91x_info,
85  },
86  .num_resources = ARRAY_SIZE(smc91x_resources),
87  .resource = smc91x_resources,
88 };
89 
90 static void __init tavorevb_init(void)
91 {
92  mfp_config(ARRAY_AND_SIZE(tavorevb_pin_config));
93 
94  /* on-chip devices */
95  pxa910_add_uart(1);
96  platform_device_register(&pxa910_device_gpio);
97 
98  /* off-chip devices */
99  platform_device_register(&smc91x_device);
100 }
101 
102 MACHINE_START(TAVOREVB, "PXA910 Evaluation Board (aka TavorEVB)")
103  .map_io = mmp_map_io,
104  .nr_irqs = MMP_NR_IRQS,
105  .init_irq = pxa910_init_irq,
106  .timer = &pxa910_timer,
107  .init_machine = tavorevb_init,
108  .restart = mmp_restart,
109 MACHINE_END
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