diff options
author | Anton Vorontsov <avorontsov@mvista.com> | 2010-03-26 21:19:02 +0300 |
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committer | Anton Vorontsov <avorontsov@mvista.com> | 2010-05-02 21:55:49 +0400 |
commit | e94cdef039d4b141dffdbf5adde705f8c14dc53f (patch) | |
tree | 5febd6e2997726c4d5c87b2da794f59a19db3dc8 /arch/arm/mach-cns3xxx | |
parent | d94f944e108da21badabd99f527b25e03b677b96 (diff) | |
download | linux-e94cdef039d4b141dffdbf5adde705f8c14dc53f.tar.xz |
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>
Diffstat (limited to 'arch/arm/mach-cns3xxx')
-rw-r--r-- | arch/arm/mach-cns3xxx/Kconfig | 8 | ||||
-rw-r--r-- | arch/arm/mach-cns3xxx/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/mach-cns3xxx/cns3420vb.c | 148 |
3 files changed, 157 insertions, 0 deletions
diff --git a/arch/arm/mach-cns3xxx/Kconfig b/arch/arm/mach-cns3xxx/Kconfig index 20284cdcb18b..9ebfcc46feb1 100644 --- a/arch/arm/mach-cns3xxx/Kconfig +++ b/arch/arm/mach-cns3xxx/Kconfig @@ -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 diff --git a/arch/arm/mach-cns3xxx/Makefile b/arch/arm/mach-cns3xxx/Makefile index e5e76dd2111a..427507a2d696 100644 --- a/arch/arm/mach-cns3xxx/Makefile +++ b/arch/arm/mach-cns3xxx/Makefile @@ -1 +1,2 @@ obj-$(CONFIG_ARCH_CNS3XXX) += core.o pm.o +obj-$(CONFIG_MACH_CNS3420VB) += cns3420vb.o diff --git a/arch/arm/mach-cns3xxx/cns3420vb.c b/arch/arm/mach-cns3xxx/cns3420vb.c new file mode 100644 index 000000000000..2e30c8288740 --- /dev/null +++ b/arch/arm/mach-cns3xxx/cns3420vb.c @@ -0,0 +1,148 @@ +/* + * 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 |