powerpc/44x: Add support for the AMCC APM821xx SoC

This patch adds CPU, device tree, defconfig and bluestone board
support for APM821xx SoC.

Signed-off-by: Tirumala R Marri <tmarri@apm.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
This commit is contained in:
Tirumala Marri 2010-09-13 13:26:11 +00:00 committed by Josh Boyer
parent 4108d9ba90
commit 6edc323db7
6 changed files with 355 additions and 0 deletions

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@ -0,0 +1,254 @@
/*
* Device Tree for Bluestone (APM821xx) board.
*
* Copyright (c) 2010, Applied Micro Circuits Corporation
* Author: Tirumala R Marri <tmarri@apm.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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
/dts-v1/;
/ {
#address-cells = <2>;
#size-cells = <1>;
model = "apm,bluestone";
compatible = "apm,bluestone";
dcr-parent = <&{/cpus/cpu@0}>;
aliases {
ethernet0 = &EMAC0;
serial0 = &UART0;
serial1 = &UART1;
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
device_type = "cpu";
model = "PowerPC,apm821xx";
reg = <0x00000000>;
clock-frequency = <0>; /* Filled in by U-Boot */
timebase-frequency = <0>; /* Filled in by U-Boot */
i-cache-line-size = <32>;
d-cache-line-size = <32>;
i-cache-size = <32768>;
d-cache-size = <32768>;
dcr-controller;
dcr-access-method = "native";
next-level-cache = <&L2C0>;
};
};
memory {
device_type = "memory";
reg = <0x00000000 0x00000000 0x00000000>; /* Filled in by U-Boot */
};
UIC0: interrupt-controller0 {
compatible = "ibm,uic";
interrupt-controller;
cell-index = <0>;
dcr-reg = <0x0c0 0x009>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;
};
UIC1: interrupt-controller1 {
compatible = "ibm,uic";
interrupt-controller;
cell-index = <1>;
dcr-reg = <0x0d0 0x009>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;
interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */
interrupt-parent = <&UIC0>;
};
UIC2: interrupt-controller2 {
compatible = "ibm,uic";
interrupt-controller;
cell-index = <2>;
dcr-reg = <0x0e0 0x009>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;
interrupts = <0xa 0x4 0xb 0x4>; /* cascade */
interrupt-parent = <&UIC0>;
};
UIC3: interrupt-controller3 {
compatible = "ibm,uic";
interrupt-controller;
cell-index = <3>;
dcr-reg = <0x0f0 0x009>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;
interrupts = <0x10 0x4 0x11 0x4>; /* cascade */
interrupt-parent = <&UIC0>;
};
SDR0: sdr {
compatible = "ibm,sdr-apm821xx";
dcr-reg = <0x00e 0x002>;
};
CPR0: cpr {
compatible = "ibm,cpr-apm821xx";
dcr-reg = <0x00c 0x002>;
};
plb {
compatible = "ibm,plb4";
#address-cells = <2>;
#size-cells = <1>;
ranges;
clock-frequency = <0>; /* Filled in by U-Boot */
SDRAM0: sdram {
compatible = "ibm,sdram-apm821xx";
dcr-reg = <0x010 0x002>;
};
MAL0: mcmal {
compatible = "ibm,mcmal2";
descriptor-memory = "ocm";
dcr-reg = <0x180 0x062>;
num-tx-chans = <1>;
num-rx-chans = <1>;
#address-cells = <0>;
#size-cells = <0>;
interrupt-parent = <&UIC2>;
interrupts = < /*TXEOB*/ 0x6 0x4
/*RXEOB*/ 0x7 0x4
/*SERR*/ 0x3 0x4
/*TXDE*/ 0x4 0x4
/*RXDE*/ 0x5 0x4
};
POB0: opb {
compatible = "ibm,opb";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0xb0000000 0x00000004 0xb0000000 0x50000000>;
clock-frequency = <0>; /* Filled in by U-Boot */
EBC0: ebc {
compatible = "ibm,ebc";
dcr-reg = <0x012 0x002>;
#address-cells = <2>;
#size-cells = <1>;
clock-frequency = <0>; /* Filled in by U-Boot */
/* ranges property is supplied by U-Boot */
ranges = < 0x00000003 0x00000000 0xe0000000 0x8000000>;
interrupts = <0x6 0x4>;
interrupt-parent = <&UIC1>;
nor_flash@0,0 {
compatible = "amd,s29gl512n", "cfi-flash";
bank-width = <2>;
reg = <0x00000000 0x00000000 0x00400000>;
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "kernel";
reg = <0x00000000 0x00180000>;
};
partition@180000 {
label = "env";
reg = <0x00180000 0x00020000>;
};
partition@1a0000 {
label = "u-boot";
reg = <0x001a0000 0x00060000>;
};
};
}
UART0: serial@ef600300 {
device_type = "serial";
compatible = "ns16550";
reg = <0xef600300 0x00000008>;
virtual-reg = <0xef600300>;
clock-frequency = <0>; /* Filled in by U-Boot */
current-speed = <0>; /* Filled in by U-Boot */
interrupt-parent = <&UIC1>;
interrupts = <0x1 0x4>;
};
IIC0: i2c@ef600700 {
compatible = "ibm,iic";
reg = <0xef600700 0x00000014>;
interrupt-parent = <&UIC0>;
interrupts = <0x2 0x4>;
};
IIC1: i2c@ef600800 {
compatible = "ibm,iic";
reg = <0xef600800 0x00000014>;
interrupt-parent = <&UIC0>;
interrupts = <0x3 0x4>;
};
RGMII0: emac-rgmii@ef601500 {
compatible = "ibm,rgmii";
reg = <0xef601500 0x00000008>;
has-mdio;
};
TAH0: emac-tah@ef601350 {
compatible = "ibm,tah";
reg = <0xef601350 0x00000030>;
};
EMAC0: ethernet@ef600c00 {
device_type = "network";
compatible = "ibm,emac4sync";
interrupt-parent = <&EMAC0>;
interrupts = <0x0 0x1>;
#interrupt-cells = <1>;
#address-cells = <0>;
#size-cells = <0>;
interrupt-map = </*Status*/ 0x0 &UIC2 0x10 0x4
/*Wake*/ 0x1 &UIC2 0x14 0x4>;
reg = <0xef600c00 0x000000c4>;
local-mac-address = [000000000000]; /* Filled in by U-Boot */
mal-device = <&MAL0>;
mal-tx-channel = <0>;
mal-rx-channel = <0>;
cell-index = <0>;
max-frame-size = <9000>;
rx-fifo-size = <16384>;
tx-fifo-size = <2048>;
phy-mode = "rgmii";
phy-map = <0x00000000>;
rgmii-device = <&RGMII0>;
rgmii-channel = <0>;
tah-device = <&TAH0>;
tah-channel = <0>;
has-inverted-stacr-oc;
has-new-stacr-staopc;
};
};
};
};

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@ -0,0 +1,68 @@
CONFIG_44x=y
CONFIG_EXPERIMENTAL=y
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_LOG_BUF_SHIFT=14
CONFIG_BLK_DEV_INITRD=y
CONFIG_EMBEDDED=y
# CONFIG_VM_EVENT_COUNTERS is not set
# CONFIG_PCI_QUIRKS is not set
# CONFIG_COMPAT_BRK is not set
CONFIG_BLUESTONE=y
# CONFIG_EBONY is not set
# CONFIG_KVM_GUEST is not set
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_SPARSE_IRQ=y
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE=""
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_CONNECTOR=y
CONFIG_MTD=y
CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_OF_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_CFI=y
CONFIG_MTD_CFI_AMDSTD=y
CONFIG_MTD_PHYSMAP_OF=y
CONFIG_PROC_DEVICETREE=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=35000
CONFIG_NETDEVICES=y
CONFIG_NET_ETHERNET=y
CONFIG_IBM_NEW_EMAC=y
CONFIG_IBM_NEW_EMAC_RXB=256
CONFIG_IBM_NEW_EMAC_TXB=256
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=2
CONFIG_SERIAL_8250_RUNTIME_UARTS=2
CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_SHARE_IRQ=y
CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_I2C=y
CONFIG_I2C_CHARDEV=y
CONFIG_I2C_IBM_IIC=y
CONFIG_SENSORS_AD7414=y
# CONFIG_HID_SUPPORT is not set
# CONFIG_USB_SUPPORT is not set
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_M41T80=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_CRAMFS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
CONFIG_ROOT_NFS=y
CONFIG_NLS=y

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@ -35,6 +35,7 @@ _GLOBAL(__setup_cpu_440grx)
_GLOBAL(__setup_cpu_460ex)
_GLOBAL(__setup_cpu_460gt)
_GLOBAL(__setup_cpu_460sx)
_GLOBAL(__setup_cpu_apm821xx)
mflr r4
bl __init_fpu_44x
bl __fixup_440A_mcheck

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@ -48,6 +48,7 @@ extern void __setup_cpu_440x5(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_460sx(unsigned long offset, struct cpu_spec *spec);
extern void __setup_cpu_apm821xx(unsigned long offset, struct cpu_spec *spec);
extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec);
extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec);
@ -1805,6 +1806,20 @@ static struct cpu_spec __initdata cpu_specs[] = {
.machine_check = machine_check_440A,
.platform = "ppc440",
},
{ /* 464 in APM821xx */
.pvr_mask = 0xffffff00,
.pvr_value = 0x12C41C80,
.cpu_name = "APM821XX",
.cpu_features = CPU_FTRS_44X,
.cpu_user_features = COMMON_USER_BOOKE |
PPC_FEATURE_HAS_FPU,
.mmu_features = MMU_FTR_TYPE_44x,
.icache_bsize = 32,
.dcache_bsize = 32,
.cpu_setup = __setup_cpu_apm821xx,
.machine_check = machine_check_440A,
.platform = "ppc440",
},
{ /* 476 core */
.pvr_mask = 0xffff0000,
.pvr_value = 0x11a50000,

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@ -17,6 +17,16 @@ config BAMBOO
help
This option enables support for the IBM PPC440EP evaluation board.
config BLUESTONE
bool "Bluestone"
depends on 44x
default n
select PPC44x_SIMPLE
select APM821xx
select IBM_NEW_EMAC_RGMII
help
This option enables support for the APM APM821xx Evaluation board.
config EBONY
bool "Ebony"
depends on 44x
@ -293,6 +303,12 @@ config 460SX
select IBM_NEW_EMAC_ZMII
select IBM_NEW_EMAC_TAH
config APM821xx
bool
select PPC_FPU
select IBM_NEW_EMAC_EMAC4
select IBM_NEW_EMAC_TAH
# 44x errata/workaround config symbols, selected by the CPU models above
config IBM440EP_ERR42
bool

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@ -52,6 +52,7 @@ machine_device_initcall(ppc44x_simple, ppc44x_device_probe);
static char *board[] __initdata = {
"amcc,arches",
"amcc,bamboo",
"amcc,bluestone",
"amcc,canyonlands",
"amcc,glacier",
"ibm,ebony",