Commit b6014e15 authored by Giuseppe Coviello's avatar Giuseppe Coviello Committed by Josh Boyer

powerpc/4xx: Sam440ep support

The Sam440ep is an high customizable general purpose mini-itx board,
based on the AMCC 440EP and with a LatticeXP FPGA onboard.

It's poduced by ACube Systems Srl (Bassano del Grappa, Italy),
http://www.acube-systems.biz.
Signed-off-by: default avatarGiuseppe Coviello <gicoviello@gmail.com>
Signed-off-by: default avatarJosh Boyer <jwboyer@linux.vnet.ibm.com>
parent 995ada8d
......@@ -66,7 +66,7 @@ src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c
fixed-head.S ep88xc.c ep405.c cuboot-c2k.c \
cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \
cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \
virtex405-head.S redboot-83xx.c
virtex405-head.S redboot-83xx.c cuboot-sam440ep.c
src-boot := $(src-wlib) $(src-plat) empty.c
src-boot := $(addprefix $(obj)/, $(src-boot))
......@@ -213,6 +213,7 @@ image-$(CONFIG_WALNUT) += treeImage.walnut
# Board ports in arch/powerpc/platform/44x/Kconfig
image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony
image-$(CONFIG_BAMBOO) += treeImage.bamboo cuImage.bamboo
image-$(CONFIG_SAM440EP) += cuImage.sam440ep
image-$(CONFIG_SEQUOIA) += cuImage.sequoia
image-$(CONFIG_RAINIER) += cuImage.rainier
image-$(CONFIG_TAISHAN) += cuImage.taishan
......
/*
* Old U-boot compatibility for Sam440ep based off bamboo.c code
* original copyrights below
*
* Author: Josh Boyer <jwboyer@linux.vnet.ibm.com>
*
* Copyright 2007 IBM Corporation
*
* Based on cuboot-ebony.c
*
* Modified from cuboot-bamboo.c for sam440ep:
* Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com>
*
* This program 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 "ops.h"
#include "stdio.h"
#include "44x.h"
#include "4xx.h"
#include "cuboot.h"
#define TARGET_4xx
#define TARGET_44x
#include "ppcboot.h"
static bd_t bd;
static void sam440ep_fixups(void)
{
unsigned long sysclk = 66666666;
ibm440ep_fixup_clocks(sysclk, 11059200, 25000000);
ibm4xx_sdram_fixup_memsize();
ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00);
dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr);
}
void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7)
{
CUBOOT_INIT();
platform_ops.fixups = sam440ep_fixups;
platform_ops.exit = ibm44x_dbcr_reset;
fdt_init(_dtb_start);
serial_console_init();
}
/*
* Device Tree Source for ACube Sam440ep based off bamboo.dts code
* original copyrights below
*
* Copyright (c) 2006, 2007 IBM Corp.
* Josh Boyer <jwboyer@linux.vnet.ibm.com>
*
* Modified from bamboo.dts for sam440ep:
* Copyright 2008 Giuseppe Coviello <gicoviello@gmail.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.
*/
/ {
#address-cells = <2>;
#size-cells = <1>;
model = "acube,sam440ep";
compatible = "acube,sam440ep";
dcr-parent = <&/cpus/cpu@0>;
aliases {
ethernet0 = &EMAC0;
ethernet1 = &EMAC1;
serial0 = &UART0;
serial1 = &UART1;
serial2 = &UART2;
serial3 = &UART3;
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
device_type = "cpu";
model = "PowerPC,440EP";
reg = <0>;
clock-frequency = <0>; /* Filled in by zImage */
timebase-frequency = <0>; /* Filled in by zImage */
i-cache-line-size = <20>;
d-cache-line-size = <20>;
i-cache-size = <8000>;
d-cache-size = <8000>;
dcr-controller;
dcr-access-method = "native";
};
};
memory {
device_type = "memory";
reg = <0 0 0>; /* Filled in by zImage */
};
UIC0: interrupt-controller0 {
compatible = "ibm,uic-440ep","ibm,uic";
interrupt-controller;
cell-index = <0>;
dcr-reg = <0c0 009>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;
};
UIC1: interrupt-controller1 {
compatible = "ibm,uic-440ep","ibm,uic";
interrupt-controller;
cell-index = <1>;
dcr-reg = <0d0 009>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;
interrupts = <1e 4 1f 4>; /* cascade */
interrupt-parent = <&UIC0>;
};
SDR0: sdr {
compatible = "ibm,sdr-440ep";
dcr-reg = <00e 002>;
};
CPR0: cpr {
compatible = "ibm,cpr-440ep";
dcr-reg = <00c 002>;
};
plb {
compatible = "ibm,plb-440ep", "ibm,plb-440gp", "ibm,plb4";
#address-cells = <2>;
#size-cells = <1>;
ranges;
clock-frequency = <0>; /* Filled in by zImage */
SDRAM0: sdram {
compatible = "ibm,sdram-440ep", "ibm,sdram-405gp";
dcr-reg = <010 2>;
};
DMA0: dma {
compatible = "ibm,dma-440ep", "ibm,dma-440gp";
dcr-reg = <100 027>;
};
MAL0: mcmal {
compatible = "ibm,mcmal-440ep", "ibm,mcmal-440gp", "ibm,mcmal";
dcr-reg = <180 62>;
num-tx-chans = <4>;
num-rx-chans = <2>;
interrupt-parent = <&MAL0>;
interrupts = <0 1 2 3 4>;
#interrupt-cells = <1>;
#address-cells = <0>;
#size-cells = <0>;
interrupt-map = </*TXEOB*/ 0 &UIC0 a 4
/*RXEOB*/ 1 &UIC0 b 4
/*SERR*/ 2 &UIC1 0 4
/*TXDE*/ 3 &UIC1 1 4
/*RXDE*/ 4 &UIC1 2 4>;
};
POB0: opb {
compatible = "ibm,opb-440ep", "ibm,opb-440gp", "ibm,opb";
#address-cells = <1>;
#size-cells = <1>;
/* Bamboo is oddball in the 44x world and doesn't use the ERPN
* bits.
*/
ranges = <00000000 0 00000000 80000000
80000000 0 80000000 80000000>;
interrupt-parent = <&UIC1>;
interrupts = <7 4>;
clock-frequency = <0>; /* Filled in by zImage */
EBC0: ebc {
compatible = "ibm,ebc-440ep", "ibm,ebc-440gp", "ibm,ebc";
dcr-reg = <012 2>;
#address-cells = <2>;
#size-cells = <1>;
clock-frequency = <0>; /* Filled in by zImage */
interrupts = <5 1>;
interrupt-parent = <&UIC1>;
};
UART0: serial@ef600300 {
device_type = "serial";
compatible = "ns16550";
reg = <ef600300 8>;
virtual-reg = <ef600300>;
clock-frequency = <0>; /* Filled in by zImage */
current-speed = <1c200>;
interrupt-parent = <&UIC0>;
interrupts = <0 4>;
};
UART1: serial@ef600400 {
device_type = "serial";
compatible = "ns16550";
reg = <ef600400 8>;
virtual-reg = <ef600400>;
clock-frequency = <0>;
current-speed = <0>;
interrupt-parent = <&UIC0>;
interrupts = <1 4>;
};
UART2: serial@ef600500 {
device_type = "serial";
compatible = "ns16550";
reg = <ef600500 8>;
virtual-reg = <ef600500>;
clock-frequency = <0>;
current-speed = <0>;
interrupt-parent = <&UIC0>;
interrupts = <3 4>;
};
UART3: serial@ef600600 {
device_type = "serial";
compatible = "ns16550";
reg = <ef600600 8>;
virtual-reg = <ef600600>;
clock-frequency = <0>;
current-speed = <0>;
interrupt-parent = <&UIC0>;
interrupts = <4 4>;
};
IIC0: i2c@ef600700 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
index = <0>;
reg = <ef600700 14>;
interrupt-parent = <&UIC0>;
interrupts = <2 4>;
rtc@68 {
compatible = "stm,m41t80";
reg = <68>;
};
};
IIC1: i2c@ef600800 {
compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
index = <5>;
reg = <ef600800 14>;
interrupt-parent = <&UIC0>;
interrupts = <7 4>;
};
ZMII0: emac-zmii@ef600d00 {
compatible = "ibm,zmii-440ep", "ibm,zmii-440gp", "ibm,zmii";
reg = <ef600d00 c>;
};
EMAC0: ethernet@ef600e00 {
linux,network-index = <0>;
device_type = "network";
compatible = "ibm,emac-440ep", "ibm,emac-440gp", "ibm,emac";
interrupt-parent = <&UIC1>;
interrupts = <1c 4 1d 4>;
reg = <ef600e00 70>;
local-mac-address = [000000000000];
mal-device = <&MAL0>;
mal-tx-channel = <0 1>;
mal-rx-channel = <0>;
cell-index = <0>;
max-frame-size = <5dc>;
rx-fifo-size = <1000>;
tx-fifo-size = <800>;
phy-mode = "rmii";
phy-map = <00000000>;
zmii-device = <&ZMII0>;
zmii-channel = <0>;
};
EMAC1: ethernet@ef600f00 {
linux,network-index = <1>;
device_type = "network";
compatible = "ibm,emac-440ep", "ibm,emac-440gp", "ibm,emac";
interrupt-parent = <&UIC1>;
interrupts = <1e 4 1f 4>;
reg = <ef600f00 70>;
local-mac-address = [000000000000];
mal-device = <&MAL0>;
mal-tx-channel = <2 3>;
mal-rx-channel = <1>;
cell-index = <1>;
max-frame-size = <5dc>;
rx-fifo-size = <1000>;
tx-fifo-size = <800>;
phy-mode = "rmii";
phy-map = <00000000>;
zmii-device = <&ZMII0>;
zmii-channel = <1>;
};
usb@ef601000 {
compatible = "ohci-be";
reg = <ef601000 80>;
interrupts = <8 4 9 4>;
interrupt-parent = < &UIC1 >;
};
};
PCI0: pci@ec000000 {
device_type = "pci";
#interrupt-cells = <1>;
#size-cells = <2>;
#address-cells = <3>;
compatible = "ibm,plb440ep-pci", "ibm,plb-pci";
primary;
reg = <0 eec00000 8 /* Config space access */
0 eed00000 4 /* IACK */
0 eed00000 4 /* Special cycle */
0 ef400000 40>; /* Internal registers */
/* Outbound ranges, one memory and one IO,
* later cannot be changed. Chip supports a second
* IO range but we don't use it for now
*/
ranges = <02000000 0 a0000000 0 a0000000 0 20000000
01000000 0 00000000 0 e8000000 0 00010000>;
/* Inbound 2GB range starting at 0 */
dma-ranges = <42000000 0 0 0 0 0 80000000>;
};
};
chosen {
linux,stdout-path = "/plb/opb/serial@ef600300";
};
};
This diff is collapsed.
......@@ -17,6 +17,15 @@ config EBONY
help
This option enables support for the IBM PPC440GP evaluation board.
config SAM440EP
bool "Sam440ep"
depends on 44x
default n
select 440EP
select PCI
help
This option enables support for the ACube Sam440ep board.
config SEQUOIA
bool "Sequoia"
depends on 44x
......
......@@ -3,6 +3,7 @@ obj-$(CONFIG_EBONY) += ebony.o
obj-$(CONFIG_TAISHAN) += taishan.o
obj-$(CONFIG_BAMBOO) += bamboo.o
obj-$(CONFIG_YOSEMITE) += bamboo.o
obj-$(CONFIG_SAM440EP) += sam440ep.o
obj-$(CONFIG_SEQUOIA) += sequoia.o
obj-$(CONFIG_KATMAI) += katmai.o
obj-$(CONFIG_RAINIER) += rainier.o
......
/*
* Sam440ep board specific routines based off bamboo.c code
* original copyrights below
*
* Wade Farnsworth <wfarnsworth@mvista.com>
* Copyright 2004 MontaVista Software Inc.
*
* Rewritten and ported to the merged powerpc tree:
* Josh Boyer <jwboyer@linux.vnet.ibm.com>
* Copyright 2007 IBM Corporation
*
* Modified from bamboo.c for sam440ep:
* Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#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/pci-bridge.h>
#include <asm/ppc4xx.h>
#include <linux/i2c.h>
static __initdata struct of_device_id sam440ep_of_bus[] = {
{ .compatible = "ibm,plb4", },
{ .compatible = "ibm,opb", },
{ .compatible = "ibm,ebc", },
{},
};
static int __init sam440ep_device_probe(void)
{
of_platform_bus_probe(NULL, sam440ep_of_bus, NULL);
return 0;
}
machine_device_initcall(sam440ep, sam440ep_device_probe);
static int __init sam440ep_probe(void)
{
unsigned long root = of_get_flat_dt_root();
if (!of_flat_dt_is_compatible(root, "acube,sam440ep"))
return 0;
ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
return 1;
}
define_machine(sam440ep) {
.name = "Sam440ep",
.probe = sam440ep_probe,
.progress = udbg_progress,
.init_IRQ = uic_init_tree,
.get_irq = uic_get_irq,
.restart = ppc4xx_reset_system,
.calibrate_decr = generic_calibrate_decr,
};
static struct i2c_board_info sam440ep_rtc_info = {
.type = "m41st85",
.addr = 0x68,
.irq = -1,
};
static int sam440ep_setup_rtc(void)
{
return i2c_register_board_info(0, &sam440ep_rtc_info, 1);
}
machine_device_initcall(sam440ep, sam440ep_setup_rtc);
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