powerpc/44x: Add support for the AMCC APM821xx SoC
authorTirumala Marri <tmarri@apm.com>
Mon, 13 Sep 2010 13:26:11 +0000 (13:26 +0000)
committerJosh Boyer <jwboyer@linux.vnet.ibm.com>
Wed, 13 Oct 2010 12:47:09 +0000 (08:47 -0400)
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>
arch/powerpc/boot/dts/bluestone.dts [new file with mode: 0644]
arch/powerpc/configs/44x/bluestone_defconfig [new file with mode: 0644]
arch/powerpc/kernel/cpu_setup_44x.S
arch/powerpc/kernel/cputable.c
arch/powerpc/platforms/44x/Kconfig
arch/powerpc/platforms/44x/ppc44x_simple.c

diff --git a/arch/powerpc/boot/dts/bluestone.dts b/arch/powerpc/boot/dts/bluestone.dts
new file mode 100644 (file)
index 0000000..9bb3d72
--- /dev/null
@@ -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;
+                       };
+               };
+
+       };
+};
diff --git a/arch/powerpc/configs/44x/bluestone_defconfig b/arch/powerpc/configs/44x/bluestone_defconfig
new file mode 100644 (file)
index 0000000..ac65b48
--- /dev/null
@@ -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
index 7d606f89a8396311c5019fc65ba7fa66f6d720b3..e32b4a9a2c2282c2554e854965f7f8b784ffe3eb 100644 (file)
@@ -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
index 1f9123f412ec3c5a7a817f58e6316298d6ce7e05..b7ac795e52700f4036948da06a19b87543ae5de4 100644 (file)
@@ -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,
index 69d668c072aeab579aab54182d0c9bd544dac956..0f979c5c756b5ab129c5914b81869957d655cfe2 100644 (file)
@@ -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
index 5f7a29d7f59091fa958e063b661421aa447e48fa..7ddcba3b93976c5ad46ba99ea7688b4d59786476 100644 (file)
@@ -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",