forked from Minki/linux
e94cdef039
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>
149 lines
3.4 KiB
C
149 lines
3.4 KiB
C
/*
|
|
* 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
|