Commit 11c146cc authored by Scott Wood's avatar Scott Wood Committed by Kumar Gala

[POWERPC] 8xx/wrapper: Embedded Planet EP88xC support

This board is also resold by Freescale under the names
"QUICCStart MPC885 Evaluation System" and "CWH-PPC-885XN-VE".
Signed-off-by: default avatarScott Wood <scottwood@freescale.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 20906ece
...@@ -51,7 +51,8 @@ src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \ ...@@ -51,7 +51,8 @@ src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \
src-plat := of.c cuboot-52xx.c cuboot-83xx.c cuboot-85xx.c holly.c \ src-plat := of.c cuboot-52xx.c cuboot-83xx.c cuboot-85xx.c holly.c \
cuboot-ebony.c treeboot-ebony.c prpmc2800.c \ cuboot-ebony.c treeboot-ebony.c prpmc2800.c \
ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \ ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \
cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c \
fixed-head.S ep88xc.c
src-boot := $(src-wlib) $(src-plat) empty.c src-boot := $(src-wlib) $(src-plat) empty.c
src-boot := $(addprefix $(obj)/, $(src-boot)) src-boot := $(addprefix $(obj)/, $(src-boot))
...@@ -144,6 +145,7 @@ image-$(CONFIG_DEFAULT_UIMAGE) += uImage ...@@ -144,6 +145,7 @@ image-$(CONFIG_DEFAULT_UIMAGE) += uImage
ifneq ($(CONFIG_DEVICE_TREE),"") ifneq ($(CONFIG_DEVICE_TREE),"")
image-$(CONFIG_PPC_8xx) += cuImage.8xx image-$(CONFIG_PPC_8xx) += cuImage.8xx
image-$(CONFIG_PPC_EP88XC) += zImage.ep88xc
image-$(CONFIG_8260) += cuImage.pq2 image-$(CONFIG_8260) += cuImage.pq2
image-$(CONFIG_PPC_MPC52xx) += cuImage.52xx image-$(CONFIG_PPC_MPC52xx) += cuImage.52xx
image-$(CONFIG_PPC_83xx) += cuImage.83xx image-$(CONFIG_PPC_83xx) += cuImage.83xx
......
/*
* EP88xC Device Tree Source
*
* Copyright 2006 MontaVista Software, Inc.
* Copyright 2007 Freescale Semiconductor, Inc.
*
* 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.
*/
/ {
model = "EP88xC";
compatible = "fsl,ep88xc";
#address-cells = <1>;
#size-cells = <1>;
cpus {
#address-cells = <1>;
#size-cells = <0>;
PowerPC,885@0 {
device_type = "cpu";
reg = <0>;
d-cache-line-size = <d#16>;
i-cache-line-size = <d#16>;
d-cache-size = <d#8192>;
i-cache-size = <d#8192>;
timebase-frequency = <0>;
bus-frequency = <0>;
clock-frequency = <0>;
interrupts = <f 2>; // decrementer interrupt
interrupt-parent = <&PIC>;
};
};
memory {
device_type = "memory";
reg = <0 0>;
};
localbus@fa200100 {
compatible = "fsl,mpc885-localbus", "fsl,pq1-localbus";
#address-cells = <2>;
#size-cells = <1>;
reg = <fa200100 40>;
ranges = <
0 0 fc000000 04000000
3 0 fa000000 01000000
>;
flash@0,2000000 {
compatible = "cfi-flash";
reg = <0 2000000 2000000>;
bank-width = <4>;
device-width = <2>;
};
board-control@3,400000 {
reg = <3 400000 10>;
compatible = "fsl,ep88xc-bcsr";
};
};
soc@fa200000 {
compatible = "fsl,mpc885", "fsl,pq1-soc";
#address-cells = <1>;
#size-cells = <1>;
device_type = "soc";
ranges = <0 fa200000 00004000>;
bus-frequency = <0>;
// Temporary -- will go away once kernel uses ranges for get_immrbase().
reg = <fa200000 4000>;
mdio@e00 {
compatible = "fsl,mpc885-fec-mdio", "fsl,pq1-fec-mdio";
reg = <e00 188>;
#address-cells = <1>;
#size-cells = <0>;
PHY0: ethernet-phy@0 {
reg = <0>;
device_type = "ethernet-phy";
};
PHY1: ethernet-phy@1 {
reg = <1>;
device_type = "ethernet-phy";
};
};
ethernet@e00 {
device_type = "network";
compatible = "fsl,mpc885-fec-enet",
"fsl,pq1-fec-enet";
reg = <e00 188>;
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <3 1>;
interrupt-parent = <&PIC>;
phy-handle = <&PHY0>;
linux,network-index = <0>;
};
ethernet@1e00 {
device_type = "network";
compatible = "fsl,mpc885-fec-enet",
"fsl,pq1-fec-enet";
reg = <1e00 188>;
local-mac-address = [ 00 00 00 00 00 00 ];
interrupts = <7 1>;
interrupt-parent = <&PIC>;
phy-handle = <&PHY1>;
linux,network-index = <1>;
};
PIC: interrupt-controller@0 {
interrupt-controller;
#interrupt-cells = <2>;
reg = <0 24>;
compatible = "fsl,mpc885-pic", "fsl,pq1-pic";
};
pcmcia@80 {
#address-cells = <3>;
#interrupt-cells = <1>;
#size-cells = <2>;
compatible = "fsl,pq-pcmcia";
device_type = "pcmcia";
reg = <80 80>;
interrupt-parent = <&PIC>;
interrupts = <d 1>;
};
cpm@9c0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "fsl,mpc885-cpm", "fsl,cpm1";
command-proc = <9c0>;
interrupts = <0>; // cpm error interrupt
interrupt-parent = <&CPM_PIC>;
reg = <9c0 40 2000 1c00>;
ranges;
brg@9f0 {
compatible = "fsl,mpc885-brg",
"fsl,cpm1-brg",
"fsl,cpm-brg";
reg = <9f0 10>;
};
CPM_PIC: interrupt-controller@930 {
interrupt-controller;
#interrupt-cells = <1>;
interrupts = <5 2 0 2>;
interrupt-parent = <&PIC>;
reg = <930 20>;
compatible = "fsl,mpc885-cpm-pic",
"fsl,cpm1-pic";
};
// MON-1
serial@a80 {
device_type = "serial";
compatible = "fsl,mpc885-smc-uart",
"fsl,cpm1-smc-uart";
reg = <a80 10 3e80 40>;
interrupts = <4>;
interrupt-parent = <&CPM_PIC>;
fsl,cpm-brg = <1>;
fsl,cpm-command = <0090>;
linux,planetcore-label = "SMC1";
};
// SER-1
serial@a20 {
device_type = "serial";
compatible = "fsl,mpc885-scc-uart",
"fsl,cpm1-scc-uart";
reg = <a20 20 3d00 80>;
interrupts = <1d>;
interrupt-parent = <&CPM_PIC>;
fsl,cpm-brg = <2>;
fsl,cpm-command = <0040>;
linux,planetcore-label = "SCC2";
};
usb@a00 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,mpc885-usb",
"fsl,cpm1-usb";
reg = <a00 18 1c00 80>;
interrupt-parent = <&CPM_PIC>;
interrupts = <1e>;
fsl,cpm-command = <0000>;
};
};
};
};
/*
* Embedded Planet EP88xC with PlanetCore firmware
*
* Author: Scott Wood <scottwood@freescale.com>
*
* Copyright (c) 2007 Freescale Semiconductor, Inc.
*
* 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 "planetcore.h"
#include "mpc8xx.h"
static char *table;
static u64 mem_size;
static void platform_fixups(void)
{
u64 val;
dt_fixup_memory(0, mem_size);
planetcore_set_mac_addrs(table);
if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) {
printf("No PlanetCore crystal frequency key.\r\n");
return;
}
mpc885_fixup_clocks(val);
}
void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7)
{
table = (char *)r3;
planetcore_prepare_table(table);
if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, &mem_size))
return;
mem_size *= 1024 * 1024;
simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64);
ft_init(_dtb_start, _dtb_end - _dtb_start, 32);
planetcore_set_stdout_path(table);
serial_console_init();
platform_ops.fixups = platform_fixups;
}
.text
.global _zimage_start
_zimage_start:
b _zimage_start_lib
...@@ -29,6 +29,7 @@ initrd= ...@@ -29,6 +29,7 @@ initrd=
dtb= dtb=
dts= dts=
cacheit= cacheit=
binary=
gzip=.gz gzip=.gz
# cross-compilation prefix # cross-compilation prefix
...@@ -142,17 +143,23 @@ miboot|uboot) ...@@ -142,17 +143,23 @@ miboot|uboot)
isection=initrd isection=initrd
;; ;;
cuboot*) cuboot*)
binary=y
gzip= gzip=
;; ;;
ps3) ps3)
platformo="$object/ps3-head.o $object/ps3-hvcall.o $object/ps3.o" platformo="$object/ps3-head.o $object/ps3-hvcall.o $object/ps3.o"
lds=$object/zImage.ps3.lds lds=$object/zImage.ps3.lds
binary=y
gzip= gzip=
ext=bin ext=bin
objflags="-O binary --set-section-flags=.bss=contents,alloc,load,data" objflags="-O binary --set-section-flags=.bss=contents,alloc,load,data"
ksection=.kernel:vmlinux.bin ksection=.kernel:vmlinux.bin
isection=.kernel:initrd isection=.kernel:initrd
;; ;;
ep88xc)
platformo="$object/fixed-head.o $object/$platform.o"
binary=y
;;
esac esac
vmz="$tmpdir/`basename \"$kernel\"`.$ext" vmz="$tmpdir/`basename \"$kernel\"`.$ext"
...@@ -224,6 +231,11 @@ fi ...@@ -224,6 +231,11 @@ fi
base=0x`${CROSS}nm "$ofile" | grep ' _start$' | cut -d' ' -f1` base=0x`${CROSS}nm "$ofile" | grep ' _start$' | cut -d' ' -f1`
entry=`${CROSS}objdump -f "$ofile" | grep '^start address ' | cut -d' ' -f3` entry=`${CROSS}objdump -f "$ofile" | grep '^start address ' | cut -d' ' -f3`
if [ -n "$binary" ]; then
mv "$ofile" "$ofile".elf
${CROSS}objcopy -O binary "$ofile".elf "$ofile".bin
fi
# post-processing needed for some platforms # post-processing needed for some platforms
case "$platform" in case "$platform" in
pseries|chrp) pseries|chrp)
...@@ -234,8 +246,6 @@ coff) ...@@ -234,8 +246,6 @@ coff)
$object/hack-coff "$ofile" $object/hack-coff "$ofile"
;; ;;
cuboot*) cuboot*)
mv "$ofile" "$ofile".elf
${CROSS}objcopy -O binary "$ofile".elf "$ofile".bin
gzip -f -9 "$ofile".bin gzip -f -9 "$ofile".bin
mkimage -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \ mkimage -A ppc -O linux -T kernel -C gzip -a "$base" -e "$entry" \
$uboot_version -d "$ofile".bin.gz "$ofile" $uboot_version -d "$ofile".bin.gz "$ofile"
...@@ -259,11 +269,11 @@ ps3) ...@@ -259,11 +269,11 @@ ps3)
# then copied to offset 0x100. At runtime the bootwrapper program # then copied to offset 0x100. At runtime the bootwrapper program
# copies the 0x100 bytes at __system_reset_kernel to addr 0x100. # copies the 0x100 bytes at __system_reset_kernel to addr 0x100.
system_reset_overlay=0x`${CROSS}nm "$ofile" \ system_reset_overlay=0x`${CROSS}nm "$ofile".elf \
| grep ' __system_reset_overlay$' \ | grep ' __system_reset_overlay$' \
| cut -d' ' -f1` | cut -d' ' -f1`
system_reset_overlay=`printf "%d" $system_reset_overlay` system_reset_overlay=`printf "%d" $system_reset_overlay`
system_reset_kernel=0x`${CROSS}nm "$ofile" \ system_reset_kernel=0x`${CROSS}nm "$ofile".elf \
| grep ' __system_reset_kernel$' \ | grep ' __system_reset_kernel$' \
| cut -d' ' -f1` | cut -d' ' -f1`
system_reset_kernel=`printf "%d" $system_reset_kernel` system_reset_kernel=`printf "%d" $system_reset_kernel`
...@@ -272,8 +282,6 @@ ps3) ...@@ -272,8 +282,6 @@ ps3)
rm -f "$object/otheros.bld" rm -f "$object/otheros.bld"
${CROSS}objcopy -O binary "$ofile" "$ofile.bin"
msg=$(dd if="$ofile.bin" of="$ofile.bin" conv=notrunc \ msg=$(dd if="$ofile.bin" of="$ofile.bin" conv=notrunc \
skip=$overlay_dest seek=$system_reset_kernel \ skip=$overlay_dest seek=$system_reset_kernel \
count=$overlay_size bs=1 2>&1) count=$overlay_size bs=1 2>&1)
......
This diff is collapsed.
...@@ -33,6 +33,16 @@ config MPC885ADS ...@@ -33,6 +33,16 @@ config MPC885ADS
The MPC885ADS is meant to serve as a platform for s/w and h/w The MPC885ADS is meant to serve as a platform for s/w and h/w
development around the MPC885 processor family. development around the MPC885 processor family.
config PPC_EP88XC
bool "Embedded Planet EP88xC (a.k.a. CWH-PPC-885XN-VE)"
select CPM1
select PPC_CPM_NEW_BINDING
help
This enables support for the Embedded Planet EP88xC board.
This board is also resold by Freescale as the QUICCStart
MPC885 Evaluation System and/or the CWH-PPC-885XN-VE.
endchoice endchoice
menu "Freescale Ethernet driver platform-specific options" menu "Freescale Ethernet driver platform-specific options"
......
...@@ -4,3 +4,4 @@ ...@@ -4,3 +4,4 @@
obj-$(CONFIG_PPC_8xx) += m8xx_setup.o obj-$(CONFIG_PPC_8xx) += m8xx_setup.o
obj-$(CONFIG_MPC885ADS) += mpc885ads_setup.o obj-$(CONFIG_MPC885ADS) += mpc885ads_setup.o
obj-$(CONFIG_MPC86XADS) += mpc86xads_setup.o obj-$(CONFIG_MPC86XADS) += mpc86xads_setup.o
obj-$(CONFIG_PPC_EP88XC) += ep88xc.o
/*
* Platform setup for the Embedded Planet EP88xC board
*
* Author: Scott Wood <scottwood@freescale.com>
* Copyright 2007 Freescale Semiconductor, 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/io.h>
#include <asm/udbg.h>
#include <asm/commproc.h>
#include <sysdev/commproc.h>
struct cpm_pin {
int port, pin, flags;
};
static struct cpm_pin ep88xc_pins[] = {
/* SMC1 */
{1, 24, CPM_PIN_INPUT}, /* RX */
{1, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */
/* SCC2 */
{0, 12, CPM_PIN_INPUT}, /* TX */
{0, 13, CPM_PIN_INPUT}, /* RX */
{2, 8, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, /* CD */
{2, 9, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, /* CTS */
{2, 14, CPM_PIN_INPUT}, /* RTS */
/* MII1 */
{0, 0, CPM_PIN_INPUT},
{0, 1, CPM_PIN_INPUT},
{0, 2, CPM_PIN_INPUT},
{0, 3, CPM_PIN_INPUT},
{0, 4, CPM_PIN_OUTPUT},
{0, 10, CPM_PIN_OUTPUT},
{0, 11, CPM_PIN_OUTPUT},
{1, 19, CPM_PIN_INPUT},
{1, 31, CPM_PIN_INPUT},
{2, 12, CPM_PIN_INPUT},
{2, 13, CPM_PIN_INPUT},
{3, 8, CPM_PIN_INPUT},
{4, 30, CPM_PIN_OUTPUT},
{4, 31, CPM_PIN_OUTPUT},
/* MII2 */
{4, 14, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
{4, 15, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
{4, 16, CPM_PIN_OUTPUT},
{4, 17, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
{4, 18, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
{4, 19, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
{4, 20, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
{4, 21, CPM_PIN_OUTPUT},
{4, 22, CPM_PIN_OUTPUT},
{4, 23, CPM_PIN_OUTPUT},
{4, 24, CPM_PIN_OUTPUT},
{4, 25, CPM_PIN_OUTPUT},
{4, 26, CPM_PIN_OUTPUT},
{4, 27, CPM_PIN_OUTPUT},
{4, 28, CPM_PIN_OUTPUT},
{4, 29, CPM_PIN_OUTPUT},
/* USB */
{0, 6, CPM_PIN_INPUT}, /* CLK2 */
{0, 14, CPM_PIN_INPUT}, /* USBOE */
{0, 15, CPM_PIN_INPUT}, /* USBRXD */
{2, 6, CPM_PIN_OUTPUT}, /* USBTXN */
{2, 7, CPM_PIN_OUTPUT}, /* USBTXP */
{2, 10, CPM_PIN_INPUT}, /* USBRXN */
{2, 11, CPM_PIN_INPUT}, /* USBRXP */
/* Misc */
{1, 26, CPM_PIN_INPUT}, /* BRGO2 */
{1, 27, CPM_PIN_INPUT}, /* BRGO1 */
};
static void __init init_ioports(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(ep88xc_pins); i++) {
struct cpm_pin *pin = &ep88xc_pins[i];
cpm1_set_pin(pin->port, pin->pin, pin->flags);
}
cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX);
cpm1_clk_setup(CPM_CLK_SCC1, CPM_CLK2, CPM_CLK_TX); /* USB */
cpm1_clk_setup(CPM_CLK_SCC1, CPM_CLK2, CPM_CLK_RX);
cpm1_clk_setup(CPM_CLK_SCC2, CPM_BRG2, CPM_CLK_TX);
cpm1_clk_setup(CPM_CLK_SCC2, CPM_BRG2, CPM_CLK_RX);
}
static u8 __iomem *ep88xc_bcsr;
#define BCSR7_SCC2_ENABLE 0x10
#define BCSR8_PHY1_ENABLE 0x80
#define BCSR8_PHY1_POWER 0x40
#define BCSR8_PHY2_ENABLE 0x20
#define BCSR8_PHY2_POWER 0x10
#define BCSR9_USB_ENABLE 0x80
#define BCSR9_USB_POWER 0x40
#define BCSR9_USB_HOST 0x20
#define BCSR9_USB_FULL_SPEED_TARGET 0x10
static void __init ep88xc_setup_arch(void)
{
struct device_node *np;
cpm_reset();
init_ioports();
np = of_find_compatible_node(NULL, NULL, "fsl,ep88xc-bcsr");
if (!np) {
printk(KERN_CRIT "Could not find fsl,ep88xc-bcsr node\n");
return;
}
ep88xc_bcsr = of_iomap(np, 0);
of_node_put(np);
if (!ep88xc_bcsr) {
printk(KERN_CRIT "Could not remap BCSR\n");
return;
}
setbits8(&ep88xc_bcsr[7], BCSR7_SCC2_ENABLE);
setbits8(&ep88xc_bcsr[8], BCSR8_PHY1_ENABLE | BCSR8_PHY1_POWER |
BCSR8_PHY2_ENABLE | BCSR8_PHY2_POWER);
}
static int __init ep88xc_probe(void)
{
unsigned long root = of_get_flat_dt_root();
return of_flat_dt_is_compatible(root, "fsl,ep88xc");
}
static struct of_device_id __initdata of_bus_ids[] = {
{ .name = "soc", },
{ .name = "cpm", },
{ .name = "localbus", },
{},
};
static int __init declare_of_platform_devices(void)
{
/* Publish the QE devices */
if (machine_is(ep88xc))
of_platform_bus_probe(NULL, of_bus_ids, NULL);
return 0;
}
device_initcall(declare_of_platform_devices);
define_machine(ep88xc) {
.name = "Embedded Planet EP88xC",
.probe = ep88xc_probe,
.setup_arch = ep88xc_setup_arch,
.init_IRQ = m8xx_pic_init,
.get_irq = mpc8xx_get_irq,
.restart = mpc8xx_restart,
.calibrate_decr = mpc8xx_calibrate_decr,
.set_rtc_time = mpc8xx_set_rtc_time,
.get_rtc_time = mpc8xx_get_rtc_time,
.progress = udbg_progress,
};
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