From 6edc323db720c65b9e6a770b4bed98f251dd49f0 Mon Sep 17 00:00:00 2001 From: Tirumala Marri Date: Mon, 13 Sep 2010 13:26:11 +0000 Subject: [PATCH] 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 Signed-off-by: Josh Boyer --- arch/powerpc/boot/dts/bluestone.dts | 254 +++++++++++++++++++++++++++ arch/powerpc/configs/44x/bluestone_defconfig | 68 +++++++ arch/powerpc/kernel/cpu_setup_44x.S | 1 + arch/powerpc/kernel/cputable.c | 15 ++ arch/powerpc/platforms/44x/Kconfig | 16 ++ arch/powerpc/platforms/44x/ppc44x_simple.c | 1 + 6 files changed, 355 insertions(+) create mode 100644 arch/powerpc/boot/dts/bluestone.dts create mode 100644 arch/powerpc/configs/44x/bluestone_defconfig diff --git a/arch/powerpc/boot/dts/bluestone.dts b/arch/powerpc/boot/dts/bluestone.dts new file mode 100644 index 0000000..9bb3d72 --- /dev/null +++ b/arch/powerpc/boot/dts/bluestone.dts @@ -0,0 +1,254 @@ +/* + * Device Tree for Bluestone (APM821xx) board. + * + * Copyright (c) 2010, Applied Micro Circuits Corporation + * Author: Tirumala R Marri + * + * 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 = ; + 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 index 0000000..ac65b48 --- /dev/null +++ b/arch/powerpc/configs/44x/bluestone_defconfig @@ -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 diff --git a/arch/powerpc/kernel/cpu_setup_44x.S b/arch/powerpc/kernel/cpu_setup_44x.S index 7d606f8..e32b4a9 100644 --- a/arch/powerpc/kernel/cpu_setup_44x.S +++ b/arch/powerpc/kernel/cpu_setup_44x.S @@ -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 diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 1f9123f..b7ac795 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -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, diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig index 69d668c..0f979c5 100644 --- a/arch/powerpc/platforms/44x/Kconfig +++ b/arch/powerpc/platforms/44x/Kconfig @@ -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 diff --git a/arch/powerpc/platforms/44x/ppc44x_simple.c b/arch/powerpc/platforms/44x/ppc44x_simple.c index 5f7a29d..7ddcba3 100644 --- a/arch/powerpc/platforms/44x/ppc44x_simple.c +++ b/arch/powerpc/platforms/44x/ppc44x_simple.c @@ -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", -- 2.7.4