diff options
| -rw-r--r-- | arch/powerpc/configs/chroma_defconfig | 307 | ||||
| -rw-r--r-- | arch/powerpc/platforms/wsp/Kconfig | 11 | ||||
| -rw-r--r-- | arch/powerpc/platforms/wsp/Makefile | 8 | ||||
| -rw-r--r-- | arch/powerpc/platforms/wsp/chroma.c | 56 | ||||
| -rw-r--r-- | arch/powerpc/platforms/wsp/h8.c | 134 | ||||
| -rw-r--r-- | arch/powerpc/platforms/wsp/psr2.c | 56 | ||||
| -rw-r--r-- | arch/powerpc/platforms/wsp/wsp.c | 115 | ||||
| -rw-r--r-- | arch/powerpc/platforms/wsp/wsp.h | 16 |
8 files changed, 651 insertions, 52 deletions
diff --git a/arch/powerpc/configs/chroma_defconfig b/arch/powerpc/configs/chroma_defconfig new file mode 100644 index 000000000000..acf7fb280464 --- /dev/null +++ b/arch/powerpc/configs/chroma_defconfig @@ -0,0 +1,307 @@ +CONFIG_PPC64=y +CONFIG_PPC_BOOK3E_64=y +# CONFIG_VIRT_CPU_ACCOUNTING is not set +CONFIG_SMP=y +CONFIG_NR_CPUS=256 +CONFIG_EXPERIMENTAL=y +CONFIG_SYSVIPC=y +CONFIG_POSIX_MQUEUE=y +CONFIG_BSD_PROCESS_ACCT=y +CONFIG_TASKSTATS=y +CONFIG_TASK_DELAY_ACCT=y +CONFIG_TASK_XACCT=y +CONFIG_TASK_IO_ACCOUNTING=y +CONFIG_AUDIT=y +CONFIG_AUDITSYSCALL=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=19 +CONFIG_CGROUPS=y +CONFIG_CGROUP_DEVICE=y +CONFIG_CPUSETS=y +CONFIG_CGROUP_CPUACCT=y +CONFIG_RESOURCE_COUNTERS=y +CONFIG_CGROUP_MEM_RES_CTLR=y +CONFIG_CGROUP_MEM_RES_CTLR_SWAP=y +CONFIG_NAMESPACES=y +CONFIG_RELAY=y +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_RD_BZIP2=y +CONFIG_RD_LZMA=y +CONFIG_INITRAMFS_COMPRESSION_GZIP=y +CONFIG_KALLSYMS_ALL=y +CONFIG_EMBEDDED=y +CONFIG_PERF_COUNTERS=y +CONFIG_PROFILING=y +CONFIG_OPROFILE=y +CONFIG_KPROBES=y +CONFIG_MODULES=y +CONFIG_MODULE_FORCE_LOAD=y +CONFIG_MODULE_UNLOAD=y +CONFIG_MODULE_FORCE_UNLOAD=y +CONFIG_MODVERSIONS=y +CONFIG_MODULE_SRCVERSION_ALL=y +CONFIG_SCOM_DEBUGFS=y +CONFIG_PPC_A2_DD2=y +CONFIG_KVM_GUEST=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_HZ_100=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +CONFIG_BINFMT_MISC=y +CONFIG_NUMA=y +# CONFIG_MIGRATION is not set +CONFIG_PPC_64K_PAGES=y +CONFIG_SCHED_SMT=y +CONFIG_CMDLINE_BOOL=y +CONFIG_CMDLINE="" +# CONFIG_SECCOMP is not set +CONFIG_PCIEPORTBUS=y +# CONFIG_PCIEASPM is not set +CONFIG_PCI_MSI=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_XFRM_USER=m +CONFIG_XFRM_SUB_POLICY=y +CONFIG_XFRM_STATISTICS=y +CONFIG_NET_KEY=m +CONFIG_NET_KEY_MIGRATE=y +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +CONFIG_IP_ADVANCED_ROUTER=y +CONFIG_IP_ROUTE_MULTIPATH=y +CONFIG_IP_ROUTE_VERBOSE=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +CONFIG_NET_IPIP=y +CONFIG_IP_MROUTE=y +CONFIG_IP_PIMSM_V1=y +CONFIG_IP_PIMSM_V2=y +CONFIG_SYN_COOKIES=y +CONFIG_INET_AH=m +CONFIG_INET_ESP=m +CONFIG_INET_IPCOMP=m +CONFIG_IPV6=y +CONFIG_IPV6_PRIVACY=y +CONFIG_IPV6_ROUTER_PREF=y +CONFIG_IPV6_ROUTE_INFO=y +CONFIG_IPV6_OPTIMISTIC_DAD=y +CONFIG_INET6_AH=y +CONFIG_INET6_ESP=y +CONFIG_INET6_IPCOMP=y +CONFIG_IPV6_MIP6=y +CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=y +CONFIG_IPV6_TUNNEL=y +CONFIG_IPV6_MULTIPLE_TABLES=y +CONFIG_IPV6_SUBTREES=y +CONFIG_IPV6_MROUTE=y +CONFIG_IPV6_PIMSM_V2=y +CONFIG_NETFILTER=y +CONFIG_NF_CONNTRACK=m +CONFIG_NF_CONNTRACK_EVENTS=y +CONFIG_NF_CT_PROTO_UDPLITE=m +CONFIG_NF_CONNTRACK_FTP=m +CONFIG_NF_CONNTRACK_IRC=m +CONFIG_NF_CONNTRACK_TFTP=m +CONFIG_NF_CT_NETLINK=m +CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m +CONFIG_NETFILTER_XT_TARGET_CONNMARK=m +CONFIG_NETFILTER_XT_TARGET_MARK=m +CONFIG_NETFILTER_XT_TARGET_NFLOG=m +CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m +CONFIG_NETFILTER_XT_TARGET_TCPMSS=m +CONFIG_NETFILTER_XT_MATCH_COMMENT=m +CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m +CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=m +CONFIG_NETFILTER_XT_MATCH_CONNMARK=m +CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m +CONFIG_NETFILTER_XT_MATCH_DCCP=m +CONFIG_NETFILTER_XT_MATCH_DSCP=m +CONFIG_NETFILTER_XT_MATCH_ESP=m +CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=m +CONFIG_NETFILTER_XT_MATCH_HELPER=m +CONFIG_NETFILTER_XT_MATCH_IPRANGE=m +CONFIG_NETFILTER_XT_MATCH_LENGTH=m +CONFIG_NETFILTER_XT_MATCH_LIMIT=m +CONFIG_NETFILTER_XT_MATCH_MAC=m +CONFIG_NETFILTER_XT_MATCH_MARK=m +CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m +CONFIG_NETFILTER_XT_MATCH_OWNER=m +CONFIG_NETFILTER_XT_MATCH_POLICY=m +CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m +CONFIG_NETFILTER_XT_MATCH_QUOTA=m +CONFIG_NETFILTER_XT_MATCH_RATEEST=m +CONFIG_NETFILTER_XT_MATCH_REALM=m +CONFIG_NETFILTER_XT_MATCH_RECENT=m +CONFIG_NETFILTER_XT_MATCH_SCTP=m +CONFIG_NETFILTER_XT_MATCH_STATE=m +CONFIG_NETFILTER_XT_MATCH_STATISTIC=m +CONFIG_NETFILTER_XT_MATCH_STRING=m +CONFIG_NETFILTER_XT_MATCH_TCPMSS=m +CONFIG_NETFILTER_XT_MATCH_TIME=m +CONFIG_NETFILTER_XT_MATCH_U32=m +CONFIG_NF_CONNTRACK_IPV4=m +CONFIG_IP_NF_QUEUE=m +CONFIG_IP_NF_IPTABLES=m +CONFIG_IP_NF_MATCH_AH=m +CONFIG_IP_NF_MATCH_ECN=m +CONFIG_IP_NF_MATCH_TTL=m +CONFIG_IP_NF_FILTER=m +CONFIG_IP_NF_TARGET_REJECT=m +CONFIG_IP_NF_TARGET_LOG=m +CONFIG_IP_NF_TARGET_ULOG=m +CONFIG_NF_NAT=m +CONFIG_IP_NF_TARGET_MASQUERADE=m +CONFIG_IP_NF_TARGET_NETMAP=m +CONFIG_IP_NF_TARGET_REDIRECT=m +CONFIG_NET_TCPPROBE=y +# CONFIG_WIRELESS is not set +CONFIG_NET_9P=y +CONFIG_NET_9P_DEBUG=y +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_DEVTMPFS=y +CONFIG_MTD=y +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLOCK=y +CONFIG_MTD_CFI=y +CONFIG_MTD_CFI_ADV_OPTIONS=y +CONFIG_MTD_CFI_LE_BYTE_SWAP=y +CONFIG_MTD_CFI_INTELEXT=y +CONFIG_MTD_CFI_AMDSTD=y +CONFIG_MTD_CFI_STAA=y +CONFIG_MTD_PHYSMAP_OF=y +CONFIG_PROC_DEVICETREE=y +CONFIG_BLK_DEV_LOOP=y +CONFIG_BLK_DEV_CRYPTOLOOP=y +CONFIG_BLK_DEV_NBD=m +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_SIZE=65536 +CONFIG_CDROM_PKTCDVD=y +CONFIG_MISC_DEVICES=y +CONFIG_BLK_DEV_SD=y +CONFIG_BLK_DEV_SR=y +CONFIG_BLK_DEV_SR_VENDOR=y +CONFIG_CHR_DEV_SG=y +CONFIG_SCSI_MULTI_LUN=y +CONFIG_SCSI_CONSTANTS=y +CONFIG_SCSI_SPI_ATTRS=y +CONFIG_SCSI_FC_ATTRS=y +CONFIG_SCSI_ISCSI_ATTRS=m +CONFIG_SCSI_SAS_ATTRS=m +CONFIG_SCSI_SRP_ATTRS=y +CONFIG_ATA=y +CONFIG_SATA_AHCI=y +CONFIG_SATA_SIL24=y +CONFIG_SATA_MV=y +CONFIG_SATA_SIL=y +CONFIG_PATA_CMD64X=y +CONFIG_PATA_MARVELL=y +CONFIG_PATA_SIL680=y +CONFIG_MD=y +CONFIG_BLK_DEV_MD=y +CONFIG_MD_LINEAR=y +CONFIG_BLK_DEV_DM=y +CONFIG_DM_CRYPT=y +CONFIG_DM_SNAPSHOT=y +CONFIG_DM_MIRROR=y +CONFIG_DM_ZERO=y +CONFIG_DM_UEVENT=y +CONFIG_NETDEVICES=y +CONFIG_TUN=y +CONFIG_E1000E=y +CONFIG_TIGON3=y +# CONFIG_WLAN is not set +# CONFIG_INPUT is not set +# CONFIG_SERIO is not set +# CONFIG_VT is not set +CONFIG_DEVPTS_MULTIPLE_INSTANCES=y +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_HW_RANDOM=y +CONFIG_RAW_DRIVER=y +CONFIG_MAX_RAW_DEVS=1024 +# CONFIG_HWMON is not set +# CONFIG_VGA_ARB is not set +# CONFIG_USB_SUPPORT is not set +CONFIG_EDAC=y +CONFIG_EDAC_MM_EDAC=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_DRV_DS1511=y +CONFIG_RTC_DRV_DS1553=y +CONFIG_EXT2_FS=y +CONFIG_EXT2_FS_XATTR=y +CONFIG_EXT2_FS_POSIX_ACL=y +CONFIG_EXT2_FS_SECURITY=y +CONFIG_EXT2_FS_XIP=y +CONFIG_EXT3_FS=y +# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set +CONFIG_EXT3_FS_POSIX_ACL=y +CONFIG_EXT3_FS_SECURITY=y +CONFIG_EXT4_FS=y +# CONFIG_DNOTIFY is not set +CONFIG_FUSE_FS=y +CONFIG_ISO9660_FS=y +CONFIG_JOLIET=y +CONFIG_ZISOFS=y +CONFIG_UDF_FS=m +CONFIG_MSDOS_FS=y +CONFIG_VFAT_FS=y +CONFIG_PROC_KCORE=y +CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y +CONFIG_CONFIGFS_FS=m +CONFIG_CRAMFS=y +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +CONFIG_NFS_V3_ACL=y +CONFIG_NFS_V4=y +CONFIG_NFS_V4_1=y +CONFIG_ROOT_NFS=y +CONFIG_CIFS=y +CONFIG_CIFS_WEAK_PW_HASH=y +CONFIG_CIFS_XATTR=y +CONFIG_CIFS_POSIX=y +CONFIG_NLS_CODEPAGE_437=y +CONFIG_NLS_ASCII=y +CONFIG_NLS_ISO8859_1=y +CONFIG_CRC_CCITT=m +CONFIG_CRC_T10DIF=y +CONFIG_LIBCRC32C=m +CONFIG_PRINTK_TIME=y +CONFIG_MAGIC_SYSRQ=y +CONFIG_STRIP_ASM_SYMS=y +CONFIG_DETECT_HUNG_TASK=y +# CONFIG_SCHED_DEBUG is not set +CONFIG_DEBUG_INFO=y +CONFIG_FTRACE_SYSCALLS=y +CONFIG_PPC_EMULATED_STATS=y +CONFIG_XMON=y +CONFIG_XMON_DEFAULT=y +CONFIG_VIRQ_DEBUG=y +CONFIG_PPC_EARLY_DEBUG=y +CONFIG_KEYS_DEBUG_PROC_KEYS=y +CONFIG_CRYPTO_NULL=m +CONFIG_CRYPTO_TEST=m +CONFIG_CRYPTO_CCM=m +CONFIG_CRYPTO_GCM=m +CONFIG_CRYPTO_PCBC=m +CONFIG_CRYPTO_MICHAEL_MIC=m +CONFIG_CRYPTO_SHA256=m +CONFIG_CRYPTO_SHA512=m +CONFIG_CRYPTO_TGR192=m +CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES=m +CONFIG_CRYPTO_ANUBIS=m +CONFIG_CRYPTO_BLOWFISH=m +CONFIG_CRYPTO_CAST5=m +CONFIG_CRYPTO_CAST6=m +CONFIG_CRYPTO_KHAZAD=m +CONFIG_CRYPTO_SALSA20=m +CONFIG_CRYPTO_SERPENT=m +CONFIG_CRYPTO_TEA=m +CONFIG_CRYPTO_TWOFISH=m +CONFIG_CRYPTO_LZO=m +# CONFIG_CRYPTO_ANSI_CPRNG is not set +CONFIG_VIRTUALIZATION=y diff --git a/arch/powerpc/platforms/wsp/Kconfig b/arch/powerpc/platforms/wsp/Kconfig index 43a3b00261e7..57d22a2f4ba9 100644 --- a/arch/powerpc/platforms/wsp/Kconfig +++ b/arch/powerpc/platforms/wsp/Kconfig @@ -1,6 +1,7 @@ config PPC_WSP bool select PPC_A2 + select GENERIC_TBSYNC select PPC_ICSWX select PPC_SCOM select PPC_XICS @@ -8,14 +9,20 @@ config PPC_WSP select PCI select PPC_IO_WORKAROUNDS if PCI select PPC_INDIRECT_PIO if PCI + select PPC_WSP_COPRO default n menu "WSP platform selection" depends on PPC_BOOK3E_64 config PPC_PSR2 - bool "PSR-2 platform" - select GENERIC_TBSYNC + bool "PowerEN System Reference Platform 2" + select EPAPR_BOOT + select PPC_WSP + default y + +config PPC_CHROMA + bool "PowerEN PCIe Chroma Card" select EPAPR_BOOT select PPC_WSP default y diff --git a/arch/powerpc/platforms/wsp/Makefile b/arch/powerpc/platforms/wsp/Makefile index a1486b436f02..56817ac98fc9 100644 --- a/arch/powerpc/platforms/wsp/Makefile +++ b/arch/powerpc/platforms/wsp/Makefile @@ -1,8 +1,10 @@ ccflags-y += -mno-minimal-toc -obj-y += setup.o ics.o -obj-$(CONFIG_PPC_PSR2) += psr2.o opb_pic.o +obj-y += setup.o ics.o wsp.o +obj-$(CONFIG_PPC_PSR2) += psr2.o +obj-$(CONFIG_PPC_CHROMA) += chroma.o h8.o +obj-$(CONFIG_PPC_WSP) += opb_pic.o obj-$(CONFIG_PPC_WSP) += scom_wsp.o obj-$(CONFIG_SMP) += smp.o scom_smp.o obj-$(CONFIG_PCI) += wsp_pci.o -obj-$(CONFIG_PCI_MSI) += msi.o
\ No newline at end of file +obj-$(CONFIG_PCI_MSI) += msi.o diff --git a/arch/powerpc/platforms/wsp/chroma.c b/arch/powerpc/platforms/wsp/chroma.c new file mode 100644 index 000000000000..ca6fa26f6e63 --- /dev/null +++ b/arch/powerpc/platforms/wsp/chroma.c @@ -0,0 +1,56 @@ +/* + * Copyright 2008-2011, IBM Corporation + * + * 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. + */ + +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/mm.h> +#include <linux/of.h> +#include <linux/smp.h> +#include <linux/time.h> + +#include <asm/machdep.h> +#include <asm/system.h> +#include <asm/udbg.h> + +#include "ics.h" +#include "wsp.h" + +void __init chroma_setup_arch(void) +{ + wsp_setup_arch(); + wsp_setup_h8(); + +} + +static int __init chroma_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (!of_flat_dt_is_compatible(root, "ibm,wsp-chroma")) + return 0; + + return 1; +} + +define_machine(chroma_md) { + .name = "Chroma PCIe", + .probe = chroma_probe, + .setup_arch = chroma_setup_arch, + .restart = wsp_h8_restart, + .power_off = wsp_h8_power_off, + .halt = wsp_halt, + .calibrate_decr = generic_calibrate_decr, + .init_IRQ = wsp_setup_irq, + .progress = udbg_progress, + .power_save = book3e_idle, +}; + +machine_arch_initcall(chroma_md, wsp_probe_devices); diff --git a/arch/powerpc/platforms/wsp/h8.c b/arch/powerpc/platforms/wsp/h8.c new file mode 100644 index 000000000000..d18e6cc19df3 --- /dev/null +++ b/arch/powerpc/platforms/wsp/h8.c @@ -0,0 +1,134 @@ +/* + * Copyright 2008-2011, IBM Corporation + * + * 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. + */ + +#include <linux/kernel.h> +#include <linux/of.h> +#include <linux/io.h> + +#include "wsp.h" + +/* + * The UART connection to the H8 is over ttyS1 which is just a 16550. + * We assume that FW has it setup right and no one messes with it. + */ + + +static u8 __iomem *h8; + +#define RBR 0 /* Receiver Buffer Register */ +#define THR 0 /* Transmitter Holding Register */ +#define LSR 5 /* Line Status Register */ +#define LSR_DR 0x01 /* LSR value for Data-Ready */ +#define LSR_THRE 0x20 /* LSR value for Transmitter-Holding-Register-Empty */ +static void wsp_h8_putc(int c) +{ + u8 lsr; + + do { + lsr = readb(h8 + LSR); + } while ((lsr & LSR_THRE) != LSR_THRE); + writeb(c, h8 + THR); +} + +static int wsp_h8_getc(void) +{ + u8 lsr; + + do { + lsr = readb(h8 + LSR); + } while ((lsr & LSR_DR) != LSR_DR); + + return readb(h8 + RBR); +} + +static void wsp_h8_puts(const char *s, int sz) +{ + int i; + + for (i = 0; i < sz; i++) { + wsp_h8_putc(s[i]); + + /* no flow control so wait for echo */ + wsp_h8_getc(); + } + wsp_h8_putc('\r'); + wsp_h8_putc('\n'); +} + +static void wsp_h8_terminal_cmd(const char *cmd, int sz) +{ + hard_irq_disable(); + wsp_h8_puts(cmd, sz); + /* should never return, but just in case */ + for (;;) + continue; +} + + +void wsp_h8_restart(char *cmd) +{ + static const char restart[] = "warm-reset"; + + (void)cmd; + wsp_h8_terminal_cmd(restart, sizeof(restart) - 1); +} + +void wsp_h8_power_off(void) +{ + static const char off[] = "power-off"; + + wsp_h8_terminal_cmd(off, sizeof(off) - 1); +} + +static void __iomem *wsp_h8_getaddr(void) +{ + struct device_node *aliases; + struct device_node *uart; + struct property *path; + void __iomem *va = NULL; + + /* + * there is nothing in the devtree to tell us which is mapped + * to the H8, but se know it is the second serial port. + */ + + aliases = of_find_node_by_path("/aliases"); + if (aliases == NULL) + return NULL; + + path = of_find_property(aliases, "serial1", NULL); + if (path == NULL) + goto out; + + uart = of_find_node_by_path(path->value); + if (uart == NULL) + goto out; + + va = of_iomap(uart, 0); + + /* remove it so no one messes with it */ + of_detach_node(uart); + of_node_put(uart); + +out: + of_node_put(aliases); + + return va; +} + +void __init wsp_setup_h8(void) +{ + h8 = wsp_h8_getaddr(); + + /* Devtree change? lets hard map it anyway */ + if (h8 == NULL) { + pr_warn("UART to H8 could not be found"); + h8 = ioremap(0xffc0008000ULL, 0x100); + } +} diff --git a/arch/powerpc/platforms/wsp/psr2.c b/arch/powerpc/platforms/wsp/psr2.c index 166f2e4b4bee..0c1ae06d0be1 100644 --- a/arch/powerpc/platforms/wsp/psr2.c +++ b/arch/powerpc/platforms/wsp/psr2.c @@ -14,10 +14,10 @@ #include <linux/mm.h> #include <linux/of.h> #include <linux/smp.h> +#include <linux/time.h> #include <asm/machdep.h> #include <asm/system.h> -#include <asm/time.h> #include <asm/udbg.h> #include "ics.h" @@ -27,7 +27,8 @@ static void psr2_spin(void) { hard_irq_disable(); - for (;;) ; + for (;;) + continue; } static void psr2_restart(char *cmd) @@ -35,65 +36,32 @@ static void psr2_restart(char *cmd) psr2_spin(); } -static int psr2_probe_devices(void) -{ - struct device_node *np; - - /* Our RTC is a ds1500. It seems to be programatically compatible - * with the ds1511 for which we have a driver so let's use that - */ - np = of_find_compatible_node(NULL, NULL, "dallas,ds1500"); - if (np != NULL) { - struct resource res; - if (of_address_to_resource(np, 0, &res) == 0) - platform_device_register_simple("ds1511", 0, &res, 1); - } - return 0; -} -machine_arch_initcall(psr2_md, psr2_probe_devices); - -static void __init psr2_setup_arch(void) -{ - /* init to some ~sane value until calibrate_delay() runs */ - loops_per_jiffy = 50000000; - - scom_init_wsp(); - - /* Setup SMP callback */ -#ifdef CONFIG_SMP - a2_setup_smp(); -#endif -#ifdef CONFIG_PCI - wsp_setup_pci(); -#endif - -} - static int __init psr2_probe(void) { unsigned long root = of_get_flat_dt_root(); + if (of_flat_dt_is_compatible(root, "ibm,wsp-chroma")) { + /* chroma systems also claim they are psr2s */ + return 0; + } + if (!of_flat_dt_is_compatible(root, "ibm,psr2")) return 0; return 1; } -static void __init psr2_init_irq(void) -{ - wsp_init_irq(); - opb_pic_init(); -} - define_machine(psr2_md) { .name = "PSR2 A2", .probe = psr2_probe, - .setup_arch = psr2_setup_arch, + .setup_arch = wsp_setup_arch, .restart = psr2_restart, .power_off = psr2_spin, .halt = psr2_spin, .calibrate_decr = generic_calibrate_decr, - .init_IRQ = psr2_init_irq, + .init_IRQ = wsp_setup_irq, .progress = udbg_progress, .power_save = book3e_idle, }; + +machine_arch_initcall(psr2_md, wsp_probe_devices); diff --git a/arch/powerpc/platforms/wsp/wsp.c b/arch/powerpc/platforms/wsp/wsp.c new file mode 100644 index 000000000000..d25cc96c21b8 --- /dev/null +++ b/arch/powerpc/platforms/wsp/wsp.c @@ -0,0 +1,115 @@ +/* + * Copyright 2008-2011, IBM Corporation + * + * 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. + */ + +#include <linux/kernel.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/smp.h> +#include <linux/delay.h> +#include <linux/time.h> + +#include <asm/scom.h> + +#include "wsp.h" +#include "ics.h" + +#define WSP_SOC_COMPATIBLE "ibm,wsp-soc" +#define PBIC_COMPATIBLE "ibm,wsp-pbic" +#define COPRO_COMPATIBLE "ibm,wsp-coprocessor" + +static int __init wsp_probe_buses(void) +{ + static __initdata struct of_device_id bus_ids[] = { + /* + * every node in between needs to be here or you won't + * find it + */ + { .compatible = WSP_SOC_COMPATIBLE, }, + { .compatible = PBIC_COMPATIBLE, }, + { .compatible = COPRO_COMPATIBLE, }, + {}, + }; + of_platform_bus_probe(NULL, bus_ids, NULL); + + return 0; +} + +void __init wsp_setup_arch(void) +{ + /* init to some ~sane value until calibrate_delay() runs */ + loops_per_jiffy = 50000000; + + scom_init_wsp(); + + /* Setup SMP callback */ +#ifdef CONFIG_SMP + a2_setup_smp(); +#endif +#ifdef CONFIG_PCI + wsp_setup_pci(); +#endif +} + +void __init wsp_setup_irq(void) +{ + wsp_init_irq(); + opb_pic_init(); +} + + +int __init wsp_probe_devices(void) +{ + struct device_node *np; + + /* Our RTC is a ds1500. It seems to be programatically compatible + * with the ds1511 for which we have a driver so let's use that + */ + np = of_find_compatible_node(NULL, NULL, "dallas,ds1500"); + if (np != NULL) { + struct resource res; + if (of_address_to_resource(np, 0, &res) == 0) + platform_device_register_simple("ds1511", 0, &res, 1); + } + + wsp_probe_buses(); + + return 0; +} + +void wsp_halt(void) +{ + u64 val; + scom_map_t m; + struct device_node *dn; + struct device_node *mine; + struct device_node *me; + + me = of_get_cpu_node(smp_processor_id(), NULL); + mine = scom_find_parent(me); + + /* This will halt all the A2s but not power off the chip */ + for_each_node_with_property(dn, "scom-controller") { + if (dn == mine) + continue; + m = scom_map(dn, 0, 1); + + /* read-modify-write it so the HW probe does not get + * confused */ + val = scom_read(m, 0); + val |= 1; + scom_write(m, 0, val); + scom_unmap(m); + } + m = scom_map(mine, 0, 1); + val = scom_read(m, 0); + val |= 1; + scom_write(m, 0, val); + /* should never return */ + scom_unmap(m); +} diff --git a/arch/powerpc/platforms/wsp/wsp.h b/arch/powerpc/platforms/wsp/wsp.h index 33479818f62a..10c1d1fff362 100644 --- a/arch/powerpc/platforms/wsp/wsp.h +++ b/arch/powerpc/platforms/wsp/wsp.h @@ -6,15 +6,25 @@ /* Devtree compatible strings for major devices */ #define PCIE_COMPATIBLE "ibm,wsp-pciex" +extern void wsp_setup_arch(void); +extern void wsp_setup_irq(void); +extern int wsp_probe_devices(void); +extern void wsp_halt(void); + extern void wsp_setup_pci(void); extern void scom_init_wsp(void); extern void a2_setup_smp(void); extern int a2_scom_startup_cpu(unsigned int lcpu, int thr_idx, struct device_node *np); -int smp_a2_cpu_bootable(unsigned int nr); -int __devinit smp_a2_kick_cpu(int nr); +extern int smp_a2_cpu_bootable(unsigned int nr); +extern int __devinit smp_a2_kick_cpu(int nr); + +extern void opb_pic_init(void); -void opb_pic_init(void); +/* chroma specific managment */ +extern void wsp_h8_restart(char *cmd); +extern void wsp_h8_power_off(void); +extern void __init wsp_setup_h8(void); #endif /* __WSP_H */ |