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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-mmp/
1/*
2 *  linux/arch/arm/mach-mmp/ttc_dkb.c
3 *
4 *  Support for the Marvell PXA910-based TTC_DKB 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
11#include <linux/init.h>
12#include <linux/kernel.h>
13#include <linux/platform_device.h>
14#include <linux/mtd/mtd.h>
15#include <linux/mtd/partitions.h>
16#include <linux/mtd/onenand.h>
17
18#include <asm/mach-types.h>
19#include <asm/mach/arch.h>
20#include <asm/mach/flash.h>
21#include <mach/addr-map.h>
22#include <mach/mfp-pxa910.h>
23#include <mach/pxa910.h>
24
25#include "common.h"
26
27static unsigned long ttc_dkb_pin_config[] __initdata = {
28	/* UART2 */
29	GPIO47_UART2_RXD,
30	GPIO48_UART2_TXD,
31
32	/* DFI */
33	DF_IO0_ND_IO0,
34	DF_IO1_ND_IO1,
35	DF_IO2_ND_IO2,
36	DF_IO3_ND_IO3,
37	DF_IO4_ND_IO4,
38	DF_IO5_ND_IO5,
39	DF_IO6_ND_IO6,
40	DF_IO7_ND_IO7,
41	DF_IO8_ND_IO8,
42	DF_IO9_ND_IO9,
43	DF_IO10_ND_IO10,
44	DF_IO11_ND_IO11,
45	DF_IO12_ND_IO12,
46	DF_IO13_ND_IO13,
47	DF_IO14_ND_IO14,
48	DF_IO15_ND_IO15,
49	DF_nCS0_SM_nCS2_nCS0,
50	DF_ALE_SM_WEn_ND_ALE,
51	DF_CLE_SM_OEn_ND_CLE,
52	DF_WEn_DF_WEn,
53	DF_REn_DF_REn,
54	DF_RDY0_DF_RDY0,
55};
56
57static struct mtd_partition ttc_dkb_onenand_partitions[] = {
58	{
59		.name		= "bootloader",
60		.offset		= 0,
61		.size		= SZ_1M,
62		.mask_flags	= MTD_WRITEABLE,
63	}, {
64		.name		= "reserved",
65		.offset		= MTDPART_OFS_APPEND,
66		.size		= SZ_128K,
67		.mask_flags	= MTD_WRITEABLE,
68	}, {
69		.name		= "reserved",
70		.offset		= MTDPART_OFS_APPEND,
71		.size		= SZ_8M,
72		.mask_flags	= MTD_WRITEABLE,
73	}, {
74		.name		= "kernel",
75		.offset		= MTDPART_OFS_APPEND,
76		.size		= (SZ_2M + SZ_1M),
77		.mask_flags	= 0,
78	}, {
79		.name		= "filesystem",
80		.offset		= MTDPART_OFS_APPEND,
81		.size		= SZ_48M,
82		.mask_flags	= 0,
83	}
84};
85
86static struct onenand_platform_data ttc_dkb_onenand_info = {
87	.parts		= ttc_dkb_onenand_partitions,
88	.nr_parts	= ARRAY_SIZE(ttc_dkb_onenand_partitions),
89};
90
91static struct resource ttc_dkb_resource_onenand[] = {
92	[0] = {
93		.start	= SMC_CS0_PHYS_BASE,
94		.end	= SMC_CS0_PHYS_BASE + SZ_1M,
95		.flags	= IORESOURCE_MEM,
96	},
97};
98
99static struct platform_device ttc_dkb_device_onenand = {
100	.name		= "onenand-flash",
101	.id		= -1,
102	.resource	= ttc_dkb_resource_onenand,
103	.num_resources	= ARRAY_SIZE(ttc_dkb_resource_onenand),
104	.dev		= {
105		.platform_data	= &ttc_dkb_onenand_info,
106	},
107};
108
109static struct platform_device *ttc_dkb_devices[] = {
110	&ttc_dkb_device_onenand,
111};
112
113static void __init ttc_dkb_init(void)
114{
115	mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
116
117	/* on-chip devices */
118	pxa910_add_uart(1);
119
120	/* off-chip devices */
121	platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
122}
123
124MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
125	.phys_io        = APB_PHYS_BASE,
126	.io_pg_offst    = (APB_VIRT_BASE >> 18) & 0xfffc,
127	.map_io		= mmp_map_io,
128	.init_irq       = pxa910_init_irq,
129	.timer          = &pxa910_timer,
130	.init_machine   = ttc_dkb_init,
131MACHINE_END
132