提交 9fa126da 编写于 作者: N Niklaus Giger 提交者: Josh Boyer

powerpc/40x: Add support for Netstal HCU4 board

Adds support for a HCU4 PPC405GPr based board from Netstal Maschinen AG.
Signed-off-by: NNiklaus Giger <niklaus.giger@member.fsf.org>
Signed-off-by: NJosh Boyer <jwboyer@linux.vnet.ibm.com>
上级 4cbfc467
/*
* Device Tree Source for Netstal Maschinen HCU4
* based on the IBM Walnut
*
* Copyright 2008
* Niklaus Giger <niklaus.giger@member.fsf.org>
*
* Copyright 2007 IBM Corp.
* Josh Boyer <jwboyer@linux.vnet.ibm.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without
* any warranty of any kind, whether express or implied.
*/
/dts-v1/;
/ {
#address-cells = <0x1>;
#size-cells = <0x1>;
model = "netstal,hcu4";
compatible = "netstal,hcu4";
dcr-parent = <0x1>;
aliases {
ethernet0 = "/plb/opb/ethernet@ef600800";
serial0 = "/plb/opb/serial@ef600300";
};
cpus {
#address-cells = <0x1>;
#size-cells = <0x0>;
cpu@0 {
device_type = "cpu";
model = "PowerPC,405GPr";
reg = <0x0>;
clock-frequency = <0>; /* Filled in by U-Boot */
timebase-frequency = <0x0>; /* Filled in by U-Boot */
i-cache-line-size = <0x20>;
d-cache-line-size = <0x20>;
i-cache-size = <0x4000>;
d-cache-size = <0x4000>;
dcr-controller;
dcr-access-method = "native";
linux,phandle = <0x1>;
};
};
memory {
device_type = "memory";
reg = <0x0 0x0>; /* Filled in by U-Boot */
};
UIC0: interrupt-controller {
compatible = "ibm,uic";
interrupt-controller;
cell-index = <0x0>;
dcr-reg = <0xc0 0x9>;
#address-cells = <0x0>;
#size-cells = <0x0>;
#interrupt-cells = <0x2>;
linux,phandle = <0x2>;
};
plb {
compatible = "ibm,plb3";
#address-cells = <0x1>;
#size-cells = <0x1>;
ranges;
clock-frequency = <0x0>; /* Filled in by U-Boot */
SDRAM0: memory-controller {
compatible = "ibm,sdram-405gp";
dcr-reg = <0x10 0x2>;
};
MAL: mcmal {
compatible = "ibm,mcmal-405gp", "ibm,mcmal";
dcr-reg = <0x180 0x62>;
num-tx-chans = <0x1>;
num-rx-chans = <0x1>;
interrupt-parent = <0x2>;
interrupts = <0xb 0x4 0xc 0x4 0xa 0x4 0xd 0x4 0xe 0x4>;
linux,phandle = <0x3>;
};
POB0: opb {
compatible = "ibm,opb-405gp", "ibm,opb";
#address-cells = <0x1>;
#size-cells = <0x1>;
ranges = <0xef600000 0xef600000 0xa00000>;
dcr-reg = <0xa0 0x5>;
clock-frequency = <0x0>; /* Filled in by U-Boot */
UART0: serial@ef600300 {
device_type = "serial";
compatible = "ns16550";
reg = <0xef600300 0x8>;
virtual-reg = <0xef600300>;
clock-frequency = <0x0>;/* Filled in by U-Boot */
current-speed = <0>; /* Filled in by U-Boot */
interrupt-parent = <0x2>;
interrupts = <0x0 0x4>;
};
IIC: i2c@ef600500 {
compatible = "ibm,iic-405gp", "ibm,iic";
reg = <0xef600500 0x11>;
interrupt-parent = <0x2>;
interrupts = <0x2 0x4>;
};
GPIO: gpio@ef600700 {
compatible = "ibm,gpio-405gp";
reg = <0xef600700 0x20>;
};
EMAC: ethernet@ef600800 {
device_type = "network";
compatible = "ibm,emac-405gp", "ibm,emac";
interrupt-parent = <0x2>;
interrupts = <0xf 0x4 0x9 0x4>;
local-mac-address = [00 00 00 00 00 00];
reg = <0xef600800 0x70>;
mal-device = <0x3>;
mal-tx-channel = <0x0>;
mal-rx-channel = <0x0>;
cell-index = <0x0>;
max-frame-size = <0x5dc>;
rx-fifo-size = <0x1000>;
tx-fifo-size = <0x800>;
phy-mode = "rmii";
phy-map = <0x1>;
};
};
EBC0: ebc {
compatible = "ibm,ebc-405gp", "ibm,ebc";
dcr-reg = <0x12 0x2>;
#address-cells = <0x2>;
#size-cells = <0x1>;
clock-frequency = <0x0>; /* Filled in by U-Boot */
sram@0,0 {
reg = <0x0 0x0 0x80000>;
};
flash@0,80000 {
compatible = "jedec-flash";
bank-width = <0x1>;
reg = <0x0 0x80000 0x80000>;
#address-cells = <0x1>;
#size-cells = <0x1>;
partition@0 {
label = "OpenBIOS";
reg = <0x0 0x80000>;
read-only;
};
};
};
};
chosen {
linux,stdout-path = "/plb/opb/serial@ef600300";
};
};
此差异已折叠。
......@@ -32,6 +32,14 @@ config EP405
help
This option enables support for the EP405/EP405PC boards.
config HCU4
bool "Hcu4"
depends on 40x
default y
select 405GPR
help
This option enables support for the Nestal Maschinen HCU4 board.
config KILAUEA
bool "Kilauea"
depends on 40x
......
obj-$(CONFIG_KILAUEA) += kilauea.o
obj-$(CONFIG_HCU4) += hcu4.o
obj-$(CONFIG_MAKALU) += makalu.o
obj-$(CONFIG_WALNUT) += walnut.o
obj-$(CONFIG_XILINX_VIRTEX_GENERIC_BOARD) += virtex.o
......
/*
* Architecture- / platform-specific boot-time initialization code for
* IBM PowerPC 4xx based boards. Adapted from original
* code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek
* <dan@net4x.com>.
*
* Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu>
*
* Rewritten and ported to the merged powerpc tree:
* Copyright 2007 IBM Corporation
* Josh Boyer <jwboyer@linux.vnet.ibm.com>
*
* 2002 (c) MontaVista, Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/init.h>
#include <linux/of_platform.h>
#include <asm/machdep.h>
#include <asm/prom.h>
#include <asm/udbg.h>
#include <asm/time.h>
#include <asm/uic.h>
#include <asm/ppc4xx.h>
static __initdata struct of_device_id hcu4_of_bus[] = {
{ .compatible = "ibm,plb3", },
{ .compatible = "ibm,opb", },
{ .compatible = "ibm,ebc", },
{},
};
static int __init hcu4_device_probe(void)
{
of_platform_bus_probe(NULL, hcu4_of_bus, NULL);
return 0;
}
machine_device_initcall(hcu4, hcu4_device_probe);
static int __init hcu4_probe(void)
{
unsigned long root = of_get_flat_dt_root();
if (!of_flat_dt_is_compatible(root, "netstal,hcu4"))
return 0;
return 1;
}
define_machine(hcu4) {
.name = "HCU4",
.probe = hcu4_probe,
.progress = udbg_progress,
.init_IRQ = uic_init_tree,
.get_irq = uic_get_irq,
.restart = ppc4xx_reset_system,
.calibrate_decr = generic_calibrate_decr,
};
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