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Merge branch 'next' of master.kernel.org:/pub/scm/linux/kernel/git/jw…
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…boyer/powerpc-4xx
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Paul Mackerras committed Jun 29, 2008
2 parents dee8055 + 5ce4b59 commit 441dbb5
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Showing 15 changed files with 1,759 additions and 6 deletions.
3 changes: 2 additions & 1 deletion arch/powerpc/boot/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -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)/, $(src-boot))
Expand Down Expand Up @@ -213,6 +213,7 @@ image-$(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
Expand Down
49 changes: 49 additions & 0 deletions arch/powerpc/boot/cuboot-sam440ep.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,49 @@
/*
* 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();
}
293 changes: 293 additions & 0 deletions arch/powerpc/boot/dts/sam440ep.dts
Original file line number Diff line number Diff line change
@@ -0,0 +1,293 @@
/*
* 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.
*/

/dts-v1/;

/ {
#address-cells = <2>;
#size-cells = <1>;
model = "acube,sam440ep";
compatible = "acube,sam440ep";

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 = <32>;
d-cache-line-size = <32>;
i-cache-size = <32768>;
d-cache-size = <32768>;
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 = <0x0c0 9>;
#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 = <0x0d0 9>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;
interrupts = <0x1e 4 0x1f 4>; /* cascade */
interrupt-parent = <&UIC0>;
};

SDR0: sdr {
compatible = "ibm,sdr-440ep";
dcr-reg = <0x00e 2>;
};

CPR0: cpr {
compatible = "ibm,cpr-440ep";
dcr-reg = <0x00c 2>;
};

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 = <0x010 2>;
};

DMA0: dma {
compatible = "ibm,dma-440ep", "ibm,dma-440gp";
dcr-reg = <0x100 0x027>;
};

MAL0: mcmal {
compatible = "ibm,mcmal-440ep", "ibm,mcmal-440gp", "ibm,mcmal";
dcr-reg = <0x180 0x062>;
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 10 4
/*RXEOB*/ 1 &UIC0 11 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 = <0x00000000 0 0x00000000 0x80000000
0x80000000 0 0x80000000 0x80000000>;
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 = <0x012 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 = <0xef600300 8>;
virtual-reg = <0xef600300>;
clock-frequency = <0>; /* Filled in by zImage */
current-speed = <0x1c200>;
interrupt-parent = <&UIC0>;
interrupts = <0 4>;
};

UART1: serial@ef600400 {
device_type = "serial";
compatible = "ns16550";
reg = <0xef600400 8>;
virtual-reg = <0xef600400>;
clock-frequency = <0>;
current-speed = <0>;
interrupt-parent = <&UIC0>;
interrupts = <1 4>;
};

UART2: serial@ef600500 {
device_type = "serial";
compatible = "ns16550";
reg = <0xef600500 8>;
virtual-reg = <0xef600500>;
clock-frequency = <0>;
current-speed = <0>;
interrupt-parent = <&UIC0>;
interrupts = <3 4>;
};

UART3: serial@ef600600 {
device_type = "serial";
compatible = "ns16550";
reg = <0xef600600 8>;
virtual-reg = <0xef600600>;
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 = <0xef600700 0x14>;
interrupt-parent = <&UIC0>;
interrupts = <2 4>;
rtc@68 {
compatible = "stm,m41t80";
reg = <0x68>;
};
};

IIC1: i2c@ef600800 {
compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
index = <5>;
reg = <0xef600800 0x14>;
interrupt-parent = <&UIC0>;
interrupts = <7 4>;
};

ZMII0: emac-zmii@ef600d00 {
compatible = "ibm,zmii-440ep", "ibm,zmii-440gp", "ibm,zmii";
reg = <0xef600d00 0xc>;
};

EMAC0: ethernet@ef600e00 {
linux,network-index = <0>;
device_type = "network";
compatible = "ibm,emac-440ep", "ibm,emac-440gp", "ibm,emac";
interrupt-parent = <&UIC1>;
interrupts = <0x1c 4 0x1d 4>;
reg = <0xef600e00 0x70>;
local-mac-address = [000000000000];
mal-device = <&MAL0>;
mal-tx-channel = <0 1>;
mal-rx-channel = <0>;
cell-index = <0>;
max-frame-size = <0x5dc>;
rx-fifo-size = <0x1000>;
tx-fifo-size = <0x800>;
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 = <0x1e 4 0x1f 4>;
reg = <0xef600f00 0x70>;
local-mac-address = [000000000000];
mal-device = <&MAL0>;
mal-tx-channel = <2 3>;
mal-rx-channel = <1>;
cell-index = <1>;
max-frame-size = <0x5dc>;
rx-fifo-size = <0x1000>;
tx-fifo-size = <0x800>;
phy-mode = "rmii";
phy-map = <00000000>;
zmii-device = <&ZMII0>;
zmii-channel = <1>;
};
usb@ef601000 {
compatible = "ohci-be";
reg = <0xef601000 0x80>;
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 0xeec00000 8 /* Config space access */
0 0xeed00000 4 /* IACK */
0 0xeed00000 4 /* Special cycle */
0 0xef400000 0x40>; /* 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 = <0x02000000 0 0xa0000000 0 0xa0000000 0 0x20000000
0x01000000 0 0x00000000 0 0xe8000000 0 0x00010000>;

/* Inbound 2GB range starting at 0 */
dma-ranges = <0x42000000 0 0 0 0 0 0x80000000>;
};
};

chosen {
linux,stdout-path = "/plb/opb/serial@ef600300";
};
};
29 changes: 28 additions & 1 deletion arch/powerpc/boot/dts/taishan.dts
Original file line number Diff line number Diff line change
Expand Up @@ -186,7 +186,34 @@
interrupts = <0x5 0x4>;
interrupt-parent = <&UIC1>;

/* TODO: Add other EBC devices */
nor_flash@0,0 {
compatible = "cfi-flash";
bank-width = <4>;
device-width = <2>;
reg = <0x0 0x0 0x4000000>;
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "kernel";
reg = <0x0 0x180000>;
};
partition@180000 {
label = "root";
reg = <0x180000 0x200000>;
};
partition@380000 {
label = "user";
reg = <0x380000 0x3bc0000>;
};
partition@3f40000 {
label = "env";
reg = <0x3f40000 0x80000>;
};
partition@3fc0000 {
label = "u-boot";
reg = <0x3fc0000 0x40000>;
};
};
};


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