ARM: cns3xxx: Add CNS3420 Validation Board support

This patch adds support for CNS3420VB rev 1.3 boards. With this patch
CNS3420VB boards are able to boot up to the userspace, with a console
available on UART0.

Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
This commit is contained in:
Anton Vorontsov 2010-03-26 21:19:02 +03:00
parent d94f944e10
commit e94cdef039
3 changed files with 157 additions and 0 deletions

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@ -1,4 +1,12 @@
menu "CNS3XXX platform type"
depends on ARCH_CNS3XXX
config MACH_CNS3420VB
bool "Support for CNS3420 Validation Board"
help
Include support for the Cavium Networks CNS3420 MPCore Platform
Baseboard.
This is a platform with an on-board ARM11 MPCore and has support
for USB, USB-OTG, MMC/SD/SDIO, SATA, PCI-E, etc.
endmenu

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@ -1 +1,2 @@
obj-$(CONFIG_ARCH_CNS3XXX) += core.o pm.o
obj-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o

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/*
* Cavium Networks CNS3420 Validation Board
*
* Copyright 2000 Deep Blue Solutions Ltd
* Copyright 2008 ARM Limited
* Copyright 2008 Cavium Networks
* Scott Shu
* Copyright 2010 MontaVista Software, LLC.
* Anton Vorontsov <avorontsov@mvista.com>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 2, as
* published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/compiler.h>
#include <linux/io.h>
#include <linux/serial_core.h>
#include <linux/serial_8250.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/partitions.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <mach/hardware.h>
#include <mach/cns3xxx.h>
#include <mach/irqs.h>
#include "core.h"
/*
* NOR Flash
*/
static struct mtd_partition cns3420_nor_partitions[] = {
{
.name = "uboot",
.size = 0x00040000,
.offset = 0,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "kernel",
.size = 0x004C0000,
.offset = MTDPART_OFS_APPEND,
}, {
.name = "filesystem",
.size = 0x7000000,
.offset = MTDPART_OFS_APPEND,
}, {
.name = "filesystem2",
.size = 0x0AE0000,
.offset = MTDPART_OFS_APPEND,
}, {
.name = "ubootenv",
.size = MTDPART_SIZ_FULL,
.offset = MTDPART_OFS_APPEND,
},
};
static struct physmap_flash_data cns3420_nor_pdata = {
.width = 2,
.parts = cns3420_nor_partitions,
.nr_parts = ARRAY_SIZE(cns3420_nor_partitions),
};
static struct resource cns3420_nor_res = {
.start = CNS3XXX_FLASH_BASE,
.end = CNS3XXX_FLASH_BASE + SZ_128M - 1,
.flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
};
static struct platform_device cns3420_nor_pdev = {
.name = "physmap-flash",
.id = 0,
.resource = &cns3420_nor_res,
.num_resources = 1,
.dev = {
.platform_data = &cns3420_nor_pdata,
},
};
/*
* UART
*/
static void __init cns3420_early_serial_setup(void)
{
#ifdef CONFIG_SERIAL_8250_CONSOLE
static struct uart_port cns3420_serial_port = {
.membase = (void __iomem *)CNS3XXX_UART0_BASE_VIRT,
.mapbase = CNS3XXX_UART0_BASE,
.irq = IRQ_CNS3XXX_UART0,
.iotype = UPIO_MEM,
.flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE,
.regshift = 2,
.uartclk = 24000000,
.line = 0,
.type = PORT_16550A,
.fifosize = 16,
};
early_serial_setup(&cns3420_serial_port);
#endif
}
/*
* Initialization
*/
static struct platform_device *cns3420_pdevs[] __initdata = {
&cns3420_nor_pdev,
};
static void __init cns3420_init(void)
{
platform_add_devices(cns3420_pdevs, ARRAY_SIZE(cns3420_pdevs));
pm_power_off = cns3xxx_power_off;
}
static struct map_desc cns3420_io_desc[] __initdata = {
{
.virtual = CNS3XXX_UART0_BASE_VIRT,
.pfn = __phys_to_pfn(CNS3XXX_UART0_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
},
};
static void __init cns3420_map_io(void)
{
cns3xxx_map_io();
iotable_init(cns3420_io_desc, ARRAY_SIZE(cns3420_io_desc));
cns3420_early_serial_setup();
}
MACHINE_START(CNS3420VB, "Cavium Networks CNS3420 Validation Board")
.phys_io = CNS3XXX_UART0_BASE,
.io_pg_offst = (CNS3XXX_UART0_BASE_VIRT >> 18) & 0xfffc,
.boot_params = 0x00000100,
.map_io = cns3420_map_io,
.init_irq = cns3xxx_init_irq,
.timer = &cns3xxx_timer,
.init_machine = cns3420_init,
MACHINE_END