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Anton Vorontsove94cdef2010-03-26 21:19:02 +03001/*
2 * Cavium Networks CNS3420 Validation Board
3 *
4 * Copyright 2000 Deep Blue Solutions Ltd
5 * Copyright 2008 ARM Limited
6 * Copyright 2008 Cavium Networks
7 * Scott Shu
8 * Copyright 2010 MontaVista Software, LLC.
9 * Anton Vorontsov <avorontsov@mvista.com>
10 *
11 * This file is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License, Version 2, as
13 * published by the Free Software Foundation.
14 */
15
16#include <linux/init.h>
17#include <linux/kernel.h>
18#include <linux/compiler.h>
19#include <linux/io.h>
Mac Lincf367972010-11-23 00:32:44 +080020#include <linux/dma-mapping.h>
Anton Vorontsove94cdef2010-03-26 21:19:02 +030021#include <linux/serial_core.h>
22#include <linux/serial_8250.h>
23#include <linux/platform_device.h>
24#include <linux/mtd/mtd.h>
25#include <linux/mtd/physmap.h>
26#include <linux/mtd/partitions.h>
27#include <asm/setup.h>
28#include <asm/mach-types.h>
29#include <asm/mach/arch.h>
30#include <asm/mach/map.h>
31#include <asm/mach/time.h>
32#include <mach/hardware.h>
33#include <mach/cns3xxx.h>
34#include <mach/irqs.h>
35#include "core.h"
Anton Vorontsov6279d0e2010-05-28 13:14:44 +040036#include "devices.h"
Anton Vorontsove94cdef2010-03-26 21:19:02 +030037
38/*
39 * NOR Flash
40 */
41static struct mtd_partition cns3420_nor_partitions[] = {
42 {
43 .name = "uboot",
44 .size = 0x00040000,
45 .offset = 0,
46 .mask_flags = MTD_WRITEABLE,
47 }, {
48 .name = "kernel",
49 .size = 0x004C0000,
50 .offset = MTDPART_OFS_APPEND,
51 }, {
52 .name = "filesystem",
53 .size = 0x7000000,
54 .offset = MTDPART_OFS_APPEND,
55 }, {
56 .name = "filesystem2",
57 .size = 0x0AE0000,
58 .offset = MTDPART_OFS_APPEND,
59 }, {
60 .name = "ubootenv",
61 .size = MTDPART_SIZ_FULL,
62 .offset = MTDPART_OFS_APPEND,
63 },
64};
65
66static struct physmap_flash_data cns3420_nor_pdata = {
67 .width = 2,
68 .parts = cns3420_nor_partitions,
69 .nr_parts = ARRAY_SIZE(cns3420_nor_partitions),
70};
71
72static struct resource cns3420_nor_res = {
73 .start = CNS3XXX_FLASH_BASE,
74 .end = CNS3XXX_FLASH_BASE + SZ_128M - 1,
75 .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
76};
77
78static struct platform_device cns3420_nor_pdev = {
79 .name = "physmap-flash",
80 .id = 0,
81 .resource = &cns3420_nor_res,
82 .num_resources = 1,
83 .dev = {
84 .platform_data = &cns3420_nor_pdata,
85 },
86};
87
88/*
89 * UART
90 */
91static void __init cns3420_early_serial_setup(void)
92{
93#ifdef CONFIG_SERIAL_8250_CONSOLE
94 static struct uart_port cns3420_serial_port = {
95 .membase = (void __iomem *)CNS3XXX_UART0_BASE_VIRT,
96 .mapbase = CNS3XXX_UART0_BASE,
97 .irq = IRQ_CNS3XXX_UART0,
98 .iotype = UPIO_MEM,
99 .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE,
100 .regshift = 2,
101 .uartclk = 24000000,
102 .line = 0,
103 .type = PORT_16550A,
104 .fifosize = 16,
105 };
106
107 early_serial_setup(&cns3420_serial_port);
108#endif
109}
110
111/*
Mac Lincf367972010-11-23 00:32:44 +0800112 * USB
113 */
114static struct resource cns3xxx_usb_ehci_resources[] = {
115 [0] = {
116 .start = CNS3XXX_USB_BASE,
117 .end = CNS3XXX_USB_BASE + SZ_16M - 1,
118 .flags = IORESOURCE_MEM,
119 },
120 [1] = {
121 .start = IRQ_CNS3XXX_USB_EHCI,
122 .flags = IORESOURCE_IRQ,
123 },
124};
125
126static u64 cns3xxx_usb_ehci_dma_mask = DMA_BIT_MASK(32);
127
128static struct platform_device cns3xxx_usb_ehci_device = {
129 .name = "cns3xxx-ehci",
130 .num_resources = ARRAY_SIZE(cns3xxx_usb_ehci_resources),
131 .resource = cns3xxx_usb_ehci_resources,
132 .dev = {
133 .dma_mask = &cns3xxx_usb_ehci_dma_mask,
134 .coherent_dma_mask = DMA_BIT_MASK(32),
135 },
136};
137
138static struct resource cns3xxx_usb_ohci_resources[] = {
139 [0] = {
140 .start = CNS3XXX_USB_OHCI_BASE,
141 .end = CNS3XXX_USB_OHCI_BASE + SZ_16M - 1,
142 .flags = IORESOURCE_MEM,
143 },
144 [1] = {
145 .start = IRQ_CNS3XXX_USB_OHCI,
146 .flags = IORESOURCE_IRQ,
147 },
148};
149
150static u64 cns3xxx_usb_ohci_dma_mask = DMA_BIT_MASK(32);
151
152static struct platform_device cns3xxx_usb_ohci_device = {
153 .name = "cns3xxx-ohci",
154 .num_resources = ARRAY_SIZE(cns3xxx_usb_ohci_resources),
155 .resource = cns3xxx_usb_ohci_resources,
156 .dev = {
157 .dma_mask = &cns3xxx_usb_ohci_dma_mask,
158 .coherent_dma_mask = DMA_BIT_MASK(32),
159 },
160};
161
162/*
Anton Vorontsove94cdef2010-03-26 21:19:02 +0300163 * Initialization
164 */
165static struct platform_device *cns3420_pdevs[] __initdata = {
166 &cns3420_nor_pdev,
Mac Lincf367972010-11-23 00:32:44 +0800167 &cns3xxx_usb_ehci_device,
168 &cns3xxx_usb_ohci_device,
Anton Vorontsove94cdef2010-03-26 21:19:02 +0300169};
170
171static void __init cns3420_init(void)
172{
173 platform_add_devices(cns3420_pdevs, ARRAY_SIZE(cns3420_pdevs));
174
Anton Vorontsov23f5cac2010-03-25 23:10:58 +0300175 cns3xxx_ahci_init();
Anton Vorontsov6279d0e2010-05-28 13:14:44 +0400176 cns3xxx_sdhci_init();
177
Anton Vorontsove94cdef2010-03-26 21:19:02 +0300178 pm_power_off = cns3xxx_power_off;
179}
180
181static struct map_desc cns3420_io_desc[] __initdata = {
182 {
183 .virtual = CNS3XXX_UART0_BASE_VIRT,
184 .pfn = __phys_to_pfn(CNS3XXX_UART0_BASE),
185 .length = SZ_4K,
186 .type = MT_DEVICE,
187 },
188};
189
190static void __init cns3420_map_io(void)
191{
192 cns3xxx_map_io();
193 iotable_init(cns3420_io_desc, ARRAY_SIZE(cns3420_io_desc));
194
195 cns3420_early_serial_setup();
196}
197
198MACHINE_START(CNS3420VB, "Cavium Networks CNS3420 Validation Board")
Anton Vorontsove94cdef2010-03-26 21:19:02 +0300199 .boot_params = 0x00000100,
200 .map_io = cns3420_map_io,
201 .init_irq = cns3xxx_init_irq,
202 .timer = &cns3xxx_timer,
203 .init_machine = cns3420_init,
204MACHINE_END