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review.evervolv.com / android_kernel_htc_msm8960 / ec58d7f2373cec47f30b773d40a89f18bf6fc489 / . / arch / arm / mach-sa1100 / nanoengine.c
blob: 72087f0658b774dce273dab279e37f141ef512d3 [file] [log] [blame]
Marcelo Roberto Jimenez9f15d2c2010-12-16 20:51:30 +0100[diff] [blame]1/*
2 * linux/arch/arm/mach-sa1100/nanoengine.c
3 *
4 * Bright Star Engineering's nanoEngine board init code.
5 *
Marcelo Roberto Jimenezfa876722010-10-18 22:41:29 +0100[diff] [blame]6 * Copyright (C) 2010 Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br>
Marcelo Roberto Jimenez9f15d2c2010-12-16 20:51:30 +0100[diff] [blame]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 * published by the Free Software Foundation.
11 *
12 */
13
14#include <linux/init.h>
15#include <linux/kernel.h>
16#include <linux/mtd/mtd.h>
17#include <linux/mtd/partitions.h>
18#include <linux/root_dev.h>
19
20#include <asm/mach-types.h>
21#include <asm/setup.h>
22
23#include <asm/mach/arch.h>
24#include <asm/mach/flash.h>
25#include <asm/mach/map.h>
26#include <asm/mach/serial_sa1100.h>
27
28#include <mach/hardware.h>
Marcelo Roberto Jimenezb080ac82010-12-16 21:34:51 +0100[diff] [blame]29#include <mach/nanoengine.h>
Marcelo Roberto Jimenez9f15d2c2010-12-16 20:51:30 +0100[diff] [blame]30
31#include "generic.h"
32
33/* Flash bank 0 */
34static struct mtd_partition nanoengine_partitions[] = {
35 {
36 .name = "nanoEngine boot firmware and parameter table",
37 .size = 0x00010000, /* 32K */
38 .offset = 0,
39 .mask_flags = MTD_WRITEABLE,
40 }, {
41 .name = "kernel/initrd reserved",
42 .size = 0x002f0000,
43 .offset = 0x00010000,
44 .mask_flags = MTD_WRITEABLE,
45 }, {
46 .name = "experimental filesystem allocation",
47 .size = 0x00100000,
48 .offset = 0x00300000,
49 .mask_flags = MTD_WRITEABLE,
50 }
51};
52
53static struct flash_platform_data nanoengine_flash_data = {
54 .map_name = "jedec_probe",
55 .parts = nanoengine_partitions,
56 .nr_parts = ARRAY_SIZE(nanoengine_partitions),
57};
58
59static struct resource nanoengine_flash_resources[] = {
60 {
61 .start = SA1100_CS0_PHYS,
62 .end = SA1100_CS0_PHYS + SZ_32M - 1,
63 .flags = IORESOURCE_MEM,
64 }, {
65 .start = SA1100_CS1_PHYS,
66 .end = SA1100_CS1_PHYS + SZ_32M - 1,
67 .flags = IORESOURCE_MEM,
68 }
69};
70
71static struct map_desc nanoengine_io_desc[] __initdata = {
72 {
73 /* System Registers */
74 .virtual = 0xf0000000,
75 .pfn = __phys_to_pfn(0x10000000),
76 .length = 0x00100000,
77 .type = MT_DEVICE
78 }, {
Marcelo Roberto Jimenezb080ac82010-12-16 21:34:51 +0100[diff] [blame]79 /* Internal PCI Memory Read/Write */
80 .virtual = NANO_PCI_MEM_RW_VIRT,
81 .pfn = __phys_to_pfn(NANO_PCI_MEM_RW_PHYS),
82 .length = NANO_PCI_MEM_RW_SIZE,
83 .type = MT_DEVICE
84 }, {
Marcelo Roberto Jimenez9f15d2c2010-12-16 20:51:30 +0100[diff] [blame]85 /* Internal PCI Config Space */
Marcelo Roberto Jimenezb080ac82010-12-16 21:34:51 +0100[diff] [blame]86 .virtual = NANO_PCI_CONFIG_SPACE_VIRT,
87 .pfn = __phys_to_pfn(NANO_PCI_CONFIG_SPACE_PHYS),
88 .length = NANO_PCI_CONFIG_SPACE_SIZE,
Marcelo Roberto Jimenez9f15d2c2010-12-16 20:51:30 +0100[diff] [blame]89 .type = MT_DEVICE
90 }
91};
92
93static void __init nanoengine_map_io(void)
94{
95 sa1100_map_io();
96 iotable_init(nanoengine_io_desc, ARRAY_SIZE(nanoengine_io_desc));
97
98 sa1100_register_uart(0, 1);
99 sa1100_register_uart(1, 2);
100 sa1100_register_uart(2, 3);
101 Ser1SDCR0 |= SDCR0_UART;
102 /* disable IRDA -- UART2 is used as a normal serial port */
103 Ser2UTCR4 = 0;
104 Ser2HSCR0 = 0;
105}
106
107static void __init nanoengine_init(void)
108{
109 sa11x0_register_mtd(&nanoengine_flash_data, nanoengine_flash_resources,
110 ARRAY_SIZE(nanoengine_flash_resources));
111}
112
113MACHINE_START(NANOENGINE, "BSE nanoEngine")
114 .boot_params = 0xc0000000,
115 .map_io = nanoengine_map_io,
116 .init_irq = sa1100_init_irq,
117 .timer = &sa1100_timer,
118 .init_machine = nanoengine_init,
119MACHINE_END