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[POWERPC] Remove the broken Gemini support

Browse Source 
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Adrian Bunk 2007-01-14 10:15:00 +01:00 committed by Paul Mackerras
parent cfcd1705b6
commit c53653130f
17 changed files with 2 additions and 1675 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/powerpc/kernel/head_32.S
View File

@ -344,12 +344,7 @@ i##n: \
/* System reset */
/* core99 pmac starts the seconary here by changing the vector, and
putting it back to what it was (unknown_exception) when done. */
#if defined(CONFIG_GEMINI) && defined(CONFIG_SMP)
. = 0x100
b __secondary_start_gemini
#else
EXCEPTION(0x100, Reset, unknown_exception, EXC_XFER_STD)
#endif
/* Machine check */
/*

9
arch/powerpc/platforms/embedded6xx/Kconfig
View File

@ -104,15 +104,6 @@ config RADSTONE_PPC7D
config PAL4
bool "SBS-Palomar4"
config GEMINI
bool "Synergy-Gemini"
select PPC_INDIRECT_PCI
depends on BROKEN
help
Select Gemini if configuring for a Synergy Microsystems' Gemini
series Single Board Computer. More information is available at:
<http://www.synergymicro.com/PressRel/97_10_15.html>.
config EST8260
bool "EST8260"
---help---

9
arch/ppc/Kconfig
View File

@ -670,15 +670,6 @@ config RADSTONE_PPC7D
config PAL4
bool "SBS-Palomar4"
config GEMINI
bool "Synergy-Gemini"
depends on BROKEN
select PPC_INDIRECT_PCI
help
Select Gemini if configuring for a Synergy Microsystems' Gemini
series Single Board Computer. More information is available at:
<http://www.synergymicro.com/PressRel/97_10_15.html>.
config EST8260
bool "EST8260"
---help---

4
arch/ppc/boot/simple/Makefile
View File

@ -116,10 +116,6 @@ zimageinitrd-$(CONFIG_WALNUT) := zImage.initrd-TREE
extra.o-$(CONFIG_CHESTNUT) := misc-chestnut.o
end-$(CONFIG_CHESTNUT) := chestnut
zimage-$(CONFIG_GEMINI) := zImage-STRIPELF
zimageinitrd-$(CONFIG_GEMINI) := zImage.initrd-STRIPELF
end-$(CONFIG_GEMINI) := gemini
extra.o-$(CONFIG_KATANA) := misc-katana.o
end-$(CONFIG_KATANA) := katana
cacheflag-$(CONFIG_KATANA) := -include $(clear_L2_L3)

15
arch/ppc/boot/simple/misc.c
View File

@ -42,14 +42,11 @@
#endif
/* Will / Can the user give input?
* Val Henson has requested that Gemini doesn't wait for the
* user to edit the cmdline or not.
*/
#if (defined(CONFIG_SERIAL_8250_CONSOLE) \
|| defined(CONFIG_VGA_CONSOLE) \
|| defined(CONFIG_SERIAL_MPC52xx_CONSOLE) \
|| defined(CONFIG_SERIAL_MPSC_CONSOLE)) \
&& !defined(CONFIG_GEMINI)
|| defined(CONFIG_SERIAL_MPSC_CONSOLE))
#define INTERACTIVE_CONSOLE 1
#endif
@ -178,16 +175,6 @@ decompress_kernel(unsigned long load_addr, int num_words, unsigned long cksum)
if (keyb_present)
CRT_tstc(); /* Forces keyboard to be initialized */
#ifdef CONFIG_GEMINI
/*
* If cmd_line is empty and cmd_preset is not, copy cmd_preset
* to cmd_line. This way we can override cmd_preset with the
* command line from Smon.
*/
if ( (cmd_line[0] == '\0') && (cmd_preset[0] != '\0'))
memcpy (cmd_line, cmd_preset, sizeof(cmd_preset));
#endif
/* Display standard Linux/PPC boot prompt for kernel args */
puts("\nLinux/PPC load: ");

618
arch/ppc/configs/gemini_defconfig
View File

@ -1,618 +0,0 @@
#
# Automatically generated make config: don't edit
#
CONFIG_MMU=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_HAVE_DEC_LOCK=y
#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
#
# General setup
#
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
# CONFIG_BSD_PROCESS_ACCT is not set
CONFIG_SYSCTL=y
CONFIG_LOG_BUF_SHIFT=14
# CONFIG_EMBEDDED is not set
CONFIG_FUTEX=y
CONFIG_EPOLL=y
#
# Loadable module support
#
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_FORCE_UNLOAD is not set
CONFIG_OBSOLETE_MODPARM=y
# CONFIG_MODVERSIONS is not set
CONFIG_KMOD=y
#
# Platform support
#
CONFIG_PPC=y
CONFIG_PPC32=y
CONFIG_6xx=y
# CONFIG_40x is not set
# CONFIG_POWER3 is not set
# CONFIG_8xx is not set
#
# IBM 4xx options
#
# CONFIG_8260 is not set
CONFIG_GENERIC_ISA_DMA=y
CONFIG_PPC_STD_MMU=y
# CONFIG_PPC_MULTIPLATFORM is not set
# CONFIG_APUS is not set
# CONFIG_WILLOW_2 is not set
# CONFIG_PCORE is not set
# CONFIG_POWERPMC250 is not set
# CONFIG_EV64260 is not set
# CONFIG_SPRUCE is not set
# CONFIG_LOPEC is not set
# CONFIG_MCPN765 is not set
# CONFIG_MVME5100 is not set
# CONFIG_PPLUS is not set
# CONFIG_PRPMC750 is not set
# CONFIG_PRPMC800 is not set
# CONFIG_SANDPOINT is not set
# CONFIG_ADIR is not set
# CONFIG_K2 is not set
# CONFIG_PAL4 is not set
CONFIG_GEMINI=y
# CONFIG_SMP is not set
# CONFIG_PREEMPT is not set
CONFIG_ALTIVEC=y
CONFIG_TAU=y
# CONFIG_TAU_INT is not set
# CONFIG_TAU_AVERAGE is not set
# CONFIG_CPU_FREQ is not set
#
# General setup
#
# CONFIG_HIGHMEM is not set
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
CONFIG_KCORE_ELF=y
CONFIG_BINFMT_ELF=y
CONFIG_KERNEL_ELF=y
# CONFIG_BINFMT_MISC is not set
CONFIG_PCI_LEGACY_PROC=y
CONFIG_PCI_NAMES=y
# CONFIG_HOTPLUG is not set
#
# Parallel port support
#
# CONFIG_PARPORT is not set
# CONFIG_PPC601_SYNC_FIX is not set
# CONFIG_CMDLINE_BOOL is not set
#
# Advanced setup
#
# CONFIG_ADVANCED_OPTIONS is not set
#
# Default settings for advanced configuration options are used
#
CONFIG_HIGHMEM_START=0xfe000000
CONFIG_LOWMEM_SIZE=0x30000000
CONFIG_KERNEL_START=0xc0000000
CONFIG_TASK_SIZE=0x80000000
CONFIG_BOOT_LOAD=0x00800000
#
# Memory Technology Devices (MTD)
#
# CONFIG_MTD is not set
#
# Plug and Play support
#
# CONFIG_PNP is not set
#
# Block devices
#
# CONFIG_BLK_DEV_FD is not set
# CONFIG_BLK_CPQ_DA is not set
# CONFIG_BLK_CPQ_CISS_DA is not set
# CONFIG_BLK_DEV_DAC960 is not set
# CONFIG_BLK_DEV_UMEM is not set
# CONFIG_BLK_DEV_LOOP is not set
# CONFIG_BLK_DEV_NBD is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=4096
CONFIG_BLK_DEV_INITRD=y
#
# Multi-device support (RAID and LVM)
#
# CONFIG_MD is not set
#
# ATA/IDE/MFM/RLL support
#
# CONFIG_IDE is not set
#
# SCSI support
#
CONFIG_SCSI=y
#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=y
# CONFIG_CHR_DEV_ST is not set
# CONFIG_CHR_DEV_OSST is not set
CONFIG_BLK_DEV_SR=y
CONFIG_BLK_DEV_SR_VENDOR=y
CONFIG_CHR_DEV_SG=y
#
# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
#
# CONFIG_SCSI_MULTI_LUN is not set
# CONFIG_SCSI_REPORT_LUNS is not set
CONFIG_SCSI_CONSTANTS=y
# CONFIG_SCSI_LOGGING is not set
#
# SCSI low-level drivers
#
# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
# CONFIG_SCSI_ACARD is not set
# CONFIG_SCSI_AACRAID is not set
# CONFIG_SCSI_AIC7XXX is not set
# CONFIG_SCSI_AIC7XXX_OLD is not set
# CONFIG_SCSI_AIC79XX is not set
# CONFIG_SCSI_DPT_I2O is not set
# CONFIG_SCSI_ADVANSYS is not set
# CONFIG_SCSI_IN2000 is not set
# CONFIG_SCSI_AM53C974 is not set
# CONFIG_SCSI_MEGARAID is not set
# CONFIG_SCSI_BUSLOGIC is not set
# CONFIG_SCSI_CPQFCTS is not set
# CONFIG_SCSI_DMX3191D is not set
# CONFIG_SCSI_EATA is not set
# CONFIG_SCSI_EATA_PIO is not set
# CONFIG_SCSI_FUTURE_DOMAIN is not set
# CONFIG_SCSI_GDTH is not set
# CONFIG_SCSI_GENERIC_NCR5380 is not set
# CONFIG_SCSI_GENERIC_NCR5380_MMIO is not set
# CONFIG_SCSI_INITIO is not set
# CONFIG_SCSI_INIA100 is not set
# CONFIG_SCSI_NCR53C7xx is not set
CONFIG_SCSI_SYM53C8XX_2=y
CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=0
CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
# CONFIG_SCSI_SYM53C8XX_IOMAPPED is not set
# CONFIG_SCSI_PCI2000 is not set
# CONFIG_SCSI_PCI2220I is not set
# CONFIG_SCSI_QLOGIC_ISP is not set
# CONFIG_SCSI_QLOGIC_FC is not set
# CONFIG_SCSI_QLOGIC_1280 is not set
# CONFIG_SCSI_DC395x is not set
# CONFIG_SCSI_DC390T is not set
# CONFIG_SCSI_U14_34F is not set
# CONFIG_SCSI_NSP32 is not set
# CONFIG_SCSI_DEBUG is not set
#
# Fusion MPT device support
#
# CONFIG_FUSION is not set
#
# IEEE 1394 (FireWire) support (EXPERIMENTAL)
#
# CONFIG_IEEE1394 is not set
#
# I2O device support
#
# CONFIG_I2O is not set
#
# Networking support
#
CONFIG_NET=y
#
# Networking options
#
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
# CONFIG_NETLINK_DEV is not set
CONFIG_NETFILTER=y
# CONFIG_NETFILTER_DEBUG is not set
CONFIG_UNIX=y
# CONFIG_NET_KEY is not set
CONFIG_INET=y
# CONFIG_IP_MULTICAST is not set
# CONFIG_IP_ADVANCED_ROUTER is not set
# CONFIG_IP_PNP is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE is not set
# CONFIG_ARPD is not set
# CONFIG_INET_ECN is not set
# CONFIG_SYN_COOKIES is not set
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
#
# IP: Netfilter Configuration
#
# CONFIG_IP_NF_CONNTRACK is not set
# CONFIG_IP_NF_QUEUE is not set
# CONFIG_IP_NF_IPTABLES is not set
# CONFIG_IP_NF_ARPTABLES is not set
# CONFIG_IP_NF_COMPAT_IPCHAINS is not set
# CONFIG_IP_NF_COMPAT_IPFWADM is not set
# CONFIG_IPV6 is not set
# CONFIG_XFRM_USER is not set
#
# SCTP Configuration (EXPERIMENTAL)
#
CONFIG_IPV6_SCTP__=y
# CONFIG_IP_SCTP is not set
# CONFIG_ATM is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_LLC is not set
# CONFIG_DECNET is not set
# CONFIG_BRIDGE is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_NET_DIVERT is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
# CONFIG_NET_HW_FLOWCONTROL is not set
#
# QoS and/or fair queueing
#
# CONFIG_NET_SCHED is not set
#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
CONFIG_NETDEVICES=y
#
# ARCnet devices
#
# CONFIG_ARCNET is not set
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set
# CONFIG_ETHERTAP is not set
#
# Ethernet (10 or 100Mbit)
#
CONFIG_NET_ETHERNET=y
# CONFIG_MII is not set
# CONFIG_OAKNET is not set
# CONFIG_HAPPYMEAL is not set
# CONFIG_SUNGEM is not set
# CONFIG_NET_VENDOR_3COM is not set
#
# Tulip family network device support
#
# CONFIG_NET_TULIP is not set
# CONFIG_HP100 is not set
# CONFIG_NET_PCI is not set
#
# Ethernet (1000 Mbit)
#
# CONFIG_ACENIC is not set
# CONFIG_DL2K is not set
# CONFIG_E1000 is not set
# CONFIG_NS83820 is not set
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set
# CONFIG_R8169 is not set
# CONFIG_SK98LIN is not set
# CONFIG_TIGON3 is not set
#
# Ethernet (10000 Mbit)
#
# CONFIG_IXGB is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
#
# Wireless LAN (non-hamradio)
#
# CONFIG_NET_RADIO is not set
#
# Token Ring devices (depends on LLC=y)
#
# CONFIG_NET_FC is not set
# CONFIG_RCPCI is not set
# CONFIG_SHAPER is not set
#
# Wan interfaces
#
# CONFIG_WAN is not set
#
# Amateur Radio support
#
# CONFIG_HAMRADIO is not set
#
# IrDA (infrared) support
#
# CONFIG_IRDA is not set
#
# ISDN subsystem
#
# CONFIG_ISDN_BOOL is not set
#
# Graphics support
#
# CONFIG_FB is not set
#
# Old CD-ROM drivers (not SCSI, not IDE)
#
# CONFIG_CD_NO_IDESCSI is not set
#
# Input device support
#
# CONFIG_INPUT is not set
#
# Userland interfaces
#
#
# Input I/O drivers
#
# CONFIG_GAMEPORT is not set
CONFIG_SOUND_GAMEPORT=y
# CONFIG_SERIO is not set
#
# Input Device Drivers
#
#
# Macintosh device drivers
#
#
# Character devices
#
# CONFIG_SERIAL_NONSTANDARD is not set
#
# Serial drivers
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
# CONFIG_SERIAL_8250_EXTENDED is not set
#
# Non-8250 serial port support
#
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_UNIX98_PTYS=y
CONFIG_UNIX98_PTY_COUNT=256
#
# I2C support
#
# CONFIG_I2C is not set
#
# I2C Hardware Sensors Mainboard support
#
#
# I2C Hardware Sensors Chip support
#
# CONFIG_I2C_SENSOR is not set
#
# Mice
#
# CONFIG_BUSMOUSE is not set
# CONFIG_QIC02_TAPE is not set
#
# IPMI
#
# CONFIG_IPMI_HANDLER is not set
#
# Watchdog Cards
#
# CONFIG_WATCHDOG is not set
# CONFIG_NVRAM is not set
CONFIG_GEN_RTC=y
# CONFIG_GEN_RTC_X is not set
# CONFIG_DTLK is not set
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set
#
# Ftape, the floppy tape device driver
#
# CONFIG_FTAPE is not set
# CONFIG_AGP is not set
# CONFIG_DRM is not set
# CONFIG_RAW_DRIVER is not set
# CONFIG_HANGCHECK_TIMER is not set
#
# Multimedia devices
#
# CONFIG_VIDEO_DEV is not set
#
# Digital Video Broadcasting Devices
#
# CONFIG_DVB is not set
#
# File systems
#
CONFIG_EXT2_FS=y
# CONFIG_EXT2_FS_XATTR is not set
# CONFIG_EXT3_FS is not set
# CONFIG_JBD is not set
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
# CONFIG_XFS_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_ROMFS_FS is not set
# CONFIG_QUOTA is not set
# CONFIG_AUTOFS_FS is not set
# CONFIG_AUTOFS4_FS is not set
#
# CD-ROM/DVD Filesystems
#
CONFIG_ISO9660_FS=y
# CONFIG_JOLIET is not set
# CONFIG_ZISOFS is not set
# CONFIG_UDF_FS is not set
#
# DOS/FAT/NT Filesystems
#
# CONFIG_FAT_FS is not set
# CONFIG_NTFS_FS is not set
#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_DEVFS_FS=y
# CONFIG_DEVFS_MOUNT is not set
# CONFIG_DEVFS_DEBUG is not set
CONFIG_DEVPTS_FS=y
# CONFIG_DEVPTS_FS_XATTR is not set
CONFIG_TMPFS=y
CONFIG_RAMFS=y
#
# Miscellaneous filesystems
#
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_CRAMFS is not set
# CONFIG_VXFS_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
#
# Network File Systems
#
CONFIG_NFS_FS=y
# CONFIG_NFS_V3 is not set
# CONFIG_NFS_V4 is not set
CONFIG_NFSD=y
# CONFIG_NFSD_V3 is not set
# CONFIG_NFSD_TCP is not set
CONFIG_LOCKD=y
CONFIG_EXPORTFS=y
CONFIG_SUNRPC=y
# CONFIG_SUNRPC_GSS is not set
# CONFIG_SMB_FS is not set
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_INTERMEZZO_FS is not set
# CONFIG_AFS_FS is not set
#
# Partition Types
#
CONFIG_PARTITION_ADVANCED=y
# CONFIG_ACORN_PARTITION is not set
# CONFIG_OSF_PARTITION is not set
# CONFIG_AMIGA_PARTITION is not set
# CONFIG_ATARI_PARTITION is not set
# CONFIG_MAC_PARTITION is not set
CONFIG_MSDOS_PARTITION=y
# CONFIG_BSD_DISKLABEL is not set
# CONFIG_MINIX_SUBPARTITION is not set
CONFIG_SOLARIS_X86_PARTITION=y
# CONFIG_UNIXWARE_DISKLABEL is not set
# CONFIG_LDM_PARTITION is not set
# CONFIG_NEC98_PARTITION is not set
# CONFIG_SGI_PARTITION is not set
# CONFIG_ULTRIX_PARTITION is not set
# CONFIG_SUN_PARTITION is not set
# CONFIG_EFI_PARTITION is not set
#
# Sound
#
# CONFIG_SOUND is not set
#
# USB support
#
# CONFIG_USB is not set
# CONFIG_USB_GADGET is not set
#
# Bluetooth support
#
# CONFIG_BT is not set
#
# Library routines
#
# CONFIG_CRC32 is not set
#
# Kernel hacking
#
# CONFIG_DEBUG_KERNEL is not set
# CONFIG_KALLSYMS is not set
#
# Security options
#
# CONFIG_SECURITY is not set
#
# Cryptographic options
#
# CONFIG_CRYPTO is not set

18
arch/ppc/kernel/head.S
View File

@ -310,12 +310,7 @@ i##n: \
/* System reset */
/* core99 pmac starts the seconary here by changing the vector, and
putting it back to what it was (unknown_exception) when done. */
#if defined(CONFIG_GEMINI) && defined(CONFIG_SMP)
. = 0x100
b __secondary_start_gemini
#else
EXCEPTION(0x100, Reset, unknown_exception, EXC_XFER_STD)
#endif
/* Machine check */
. = 0x200
@ -897,19 +892,6 @@ fix_mem_constants:
#endif /* CONFIG_APUS */
#ifdef CONFIG_SMP
#ifdef CONFIG_GEMINI
.globl __secondary_start_gemini
__secondary_start_gemini:
mfspr r4,SPRN_HID0
ori r4,r4,HID0_ICFI
li r3,0
ori r3,r3,HID0_ICE
andc r4,r4,r3
mtspr SPRN_HID0,r4
sync
b __secondary_start
#endif /* CONFIG_GEMINI */
.globl __secondary_start_pmac_0
__secondary_start_pmac_0:
/* NB the entries for cpus 0, 1, 2 must each occupy 8 bytes. */

1
arch/ppc/platforms/Makefile
View File

@ -13,7 +13,6 @@ obj-$(CONFIG_TQM8260) += tqm8260_setup.o
obj-$(CONFIG_CPCI690) += cpci690.o
obj-$(CONFIG_EV64260) += ev64260.o
obj-$(CONFIG_CHESTNUT) += chestnut.o
obj-$(CONFIG_GEMINI) += gemini_pci.o gemini_setup.o gemini_prom.o
obj-$(CONFIG_LOPEC) += lopec.o
obj-$(CONFIG_KATANA) += katana.o
obj-$(CONFIG_HDPU) += hdpu.o

165
arch/ppc/platforms/gemini.h
View File

@ -1,165 +0,0 @@
/*
* Onboard registers and descriptions for Synergy Microsystems'
* "Gemini" boards.
*
*/
#ifdef __KERNEL__
#ifndef __PPC_GEMINI_H
#define __PPC_GEMINI_H
/* Registers */
#define GEMINI_SERIAL_B (0xffeffb00)
#define GEMINI_SERIAL_A (0xffeffb08)
#define GEMINI_USWITCH (0xffeffd00)
#define GEMINI_BREV (0xffeffe00)
#define GEMINI_BECO (0xffeffe08)
#define GEMINI_FEAT (0xffeffe10)
#define GEMINI_BSTAT (0xffeffe18)
#define GEMINI_CPUSTAT (0xffeffe20)
#define GEMINI_L2CFG (0xffeffe30)
#define GEMINI_MEMCFG (0xffeffe38)
#define GEMINI_FLROM (0xffeffe40)
#define GEMINI_P0PCI (0xffeffe48)
#define GEMINI_FLWIN (0xffeffe50)
#define GEMINI_P0INTMASK (0xffeffe60)
#define GEMINI_P0INTAP (0xffeffe68)
#define GEMINI_PCIERR (0xffeffe70)
#define GEMINI_LEDBASE (0xffeffe80)
#define GEMINI_RTC (0xffe9fff8)
#define GEMINI_LEDS 8
#define GEMINI_SWITCHES 8
/* Flash ROM bit definitions */
#define GEMINI_FLS_WEN (1<<0)
#define GEMINI_FLS_JMP (1<<6)
#define GEMINI_FLS_BOOT (1<<7)
/* Memory bit definitions */
#define GEMINI_MEM_TYPE_MASK 0xc0
#define GEMINI_MEM_SIZE_MASK 0x38
#define GEMINI_MEM_BANK_MASK 0x07
/* L2 cache bit definitions */
#define GEMINI_L2_SIZE_MASK 0xc0
#define GEMINI_L2_RATIO_MASK 0x03
/* Timebase register bit definitons */
#define GEMINI_TIMEB0_EN (1<<0)
#define GEMINI_TIMEB1_EN (1<<1)
#define GEMINI_TIMEB2_EN (1<<2)
#define GEMINI_TIMEB3_EN (1<<3)
/* CPU status bit definitions */
#define GEMINI_CPU_ID_MASK 0x03
#define GEMINI_CPU_COUNT_MASK 0x0c
#define GEMINI_CPU0_HALTED (1<<4)
#define GEMINI_CPU1_HALTED (1<<5)
#define GEMINI_CPU2_HALTED (1<<6)
#define GEMINI_CPU3_HALTED (1<<7)
/* Board status bit definitions */
#define GEMINI_BRD_FAIL (1<<0) /* FAIL led is lit */
#define GEMINI_BRD_BUS_MASK 0x0c /* PowerPC bus speed */
/* Board family/feature bit descriptions */
#define GEMINI_FEAT_HAS_FLASH (1<<0)
#define GEMINI_FEAT_HAS_ETH (1<<1)
#define GEMINI_FEAT_HAS_SCSI (1<<2)
#define GEMINI_FEAT_HAS_P0 (1<<3)
#define GEMINI_FEAT_FAM_MASK 0xf0
/* Mod/ECO bit definitions */
#define GEMINI_ECO_LEVEL_MASK 0x0f
#define GEMINI_MOD_MASK 0xf0
/* Type/revision bit definitions */
#define GEMINI_REV_MASK 0x0f
#define GEMINI_TYPE_MASK 0xf0
/* User switch definitions */
#define GEMINI_SWITCH_VERBOSE 1 /* adds "debug" to boot cmd line */
#define GEMINI_SWITCH_SINGLE_USER 7 /* boots into "single-user" mode */
#define SGS_RTC_CONTROL 0
#define SGS_RTC_SECONDS 1
#define SGS_RTC_MINUTES 2
#define SGS_RTC_HOURS 3
#define SGS_RTC_DAY 4
#define SGS_RTC_DAY_OF_MONTH 5
#define SGS_RTC_MONTH 6
#define SGS_RTC_YEAR 7
#define SGS_RTC_SET 0x80
#define SGS_RTC_IS_STOPPED 0x80
#define GRACKLE_CONFIG_ADDR_ADDR (0xfec00000)
#define GRACKLE_CONFIG_DATA_ADDR (0xfee00000)
#define GEMINI_BOOT_INIT (0xfff00100)
#ifndef __ASSEMBLY__
static inline void grackle_write( unsigned long addr, unsigned long data )
{
__asm__ __volatile__(
" stwbrx %1, 0, %0\n \
sync\n \
stwbrx %3, 0, %2\n \
sync "
: /* no output */
: "r" (GRACKLE_CONFIG_ADDR_ADDR), "r" (addr),
"r" (GRACKLE_CONFIG_DATA_ADDR), "r" (data));
}
static inline unsigned long grackle_read( unsigned long addr )
{
unsigned long val;
__asm__ __volatile__(
" stwbrx %1, 0, %2\n \
sync\n \
lwbrx %0, 0, %3\n \
sync "
: "=r" (val)
: "r" (addr), "r" (GRACKLE_CONFIG_ADDR_ADDR),
"r" (GRACKLE_CONFIG_DATA_ADDR));
return val;
}
static inline void gemini_led_on( int led )
{
if (led >= 0 && led < GEMINI_LEDS)
*(unsigned char *)(GEMINI_LEDBASE + (led<<3)) = 1;
}
static inline void gemini_led_off(int led)
{
if (led >= 0 && led < GEMINI_LEDS)
*(unsigned char *)(GEMINI_LEDBASE + (led<<3)) = 0;
}
static inline int gemini_led_val(int led)
{
int val = 0;
if (led >= 0 && led < GEMINI_LEDS)
val = *(unsigned char *)(GEMINI_LEDBASE + (led<<3));
return (val & 0x1);
}
/* returns processor id from the board */
static inline int gemini_processor(void)
{
unsigned char cpu = *(unsigned char *)(GEMINI_CPUSTAT);
return (int) ((cpu == 0) ? 4 : (cpu & GEMINI_CPU_ID_MASK));
}
extern void _gemini_reboot(void);
extern void gemini_prom_init(void);
extern void gemini_init_l2(void);
#endif /* __ASSEMBLY__ */
#endif
#endif /* __KERNEL__ */

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arch/ppc/platforms/gemini_pci.c
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#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <asm/machdep.h>
#include <platforms/gemini.h>
#include <asm/byteorder.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <asm/pci-bridge.h>
void __init gemini_pcibios_fixup(void)
{
int i;
struct pci_dev *dev = NULL;
for_each_pci_dev(dev) {
for(i = 0; i < 6; i++) {
if (dev->resource[i].flags & IORESOURCE_IO) {
dev->resource[i].start |= (0xfe << 24);
dev->resource[i].end |= (0xfe << 24);
}
}
}
}
/* The "bootloader" for Synergy boards does none of this for us, so we need to
lay it all out ourselves... --Dan */
void __init gemini_find_bridges(void)
{
struct pci_controller* hose;
ppc_md.pcibios_fixup = gemini_pcibios_fixup;
hose = pcibios_alloc_controller();
if (!hose)
return;
setup_indirect_pci(hose, 0xfec00000, 0xfee00000);
}

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/*
* Not really prom support code (yet), but sort of anti-prom code. The current
* bootloader does a number of things it shouldn't and doesn't do things that it
* should. The stuff in here is mainly a hodge-podge collection of setup code
* to get the board up and running.
* ---Dan
*/
#include <asm/reg.h>
#include <asm/page.h>
#include <platforms/gemini.h>
#include <asm/ppc_asm.h>
/*
* On 750's the MMU is on when Linux is booted, so we need to clear out the
* bootloader's BAT settings, make sure we're in supervisor state (gotcha!),
* and turn off the MMU.
*
*/
_GLOBAL(gemini_prom_init)
#ifdef CONFIG_SMP
/* Since the MMU's on, get stuff in rom space that we'll need */
lis r4,GEMINI_CPUSTAT@h
ori r4,r4,GEMINI_CPUSTAT@l
lbz r5,0(r4)
andi. r5,r5,3
mr r24,r5 /* cpu # used later on */
#endif
mfmsr r4
li r3,MSR_PR /* ensure supervisor! */
ori r3,r3,MSR_IR|MSR_DR
andc r4,r4,r3
mtmsr r4
isync
#if 0
/* zero out the bats now that the MMU is off */
prom_no_mmu:
li r3,0
mtspr SPRN_IBAT0U,r3
mtspr SPRN_IBAT0L,r3
mtspr SPRN_IBAT1U,r3
mtspr SPRN_IBAT1L,r3
mtspr SPRN_IBAT2U,r3
mtspr SPRN_IBAT2L,r3
mtspr SPRN_IBAT3U,r3
mtspr SPRN_IBAT3L,r3
mtspr SPRN_DBAT0U,r3
mtspr SPRN_DBAT0L,r3
mtspr SPRN_DBAT1U,r3
mtspr SPRN_DBAT1L,r3
mtspr SPRN_DBAT2U,r3
mtspr SPRN_DBAT2L,r3
mtspr SPRN_DBAT3U,r3
mtspr SPRN_DBAT3L,r3
#endif
/* the bootloader (as far as I'm currently aware) doesn't mess with page
tables, but since we're already here, might as well zap these, too */
li r4,0
mtspr SPRN_SDR1,r4
li r4,16
mtctr r4
li r3,0
li r4,0
3: mtsrin r3,r4
addi r3,r3,1
bdnz 3b
#ifdef CONFIG_SMP
/* The 750 book (and Mot/IBM support) says that this will "assist" snooping
when in SMP. Not sure yet whether this should stay or leave... */
mfspr r4,SPRN_HID0
ori r4,r4,HID0_ABE
mtspr SPRN_HID0,r4
sync
#endif /* CONFIG_SMP */
blr
/* apparently, SMon doesn't pay attention to HID0[SRST]. Disable the MMU and
branch to 0xfff00100 */
_GLOBAL(_gemini_reboot)
lis r5,GEMINI_BOOT_INIT@h
ori r5,r5,GEMINI_BOOT_INIT@l
li r6,MSR_IP
mtspr SPRN_SRR0,r5
mtspr SPRN_SRR1,r6
rfi

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arch/ppc/platforms/gemini_serial.h
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#ifdef __KERNEL__
#ifndef __ASMPPC_GEMINI_SERIAL_H
#define __ASMPPC_GEMINI_SERIAL_H
#include <platforms/gemini.h>
#ifdef CONFIG_SERIAL_MANY_PORTS
#define RS_TABLE_SIZE 64
#else
#define RS_TABLE_SIZE 4
#endif
/* Rate for the 24.576 Mhz clock for the onboard serial chip */
#define BASE_BAUD (24576000 / 16)
#ifdef CONFIG_SERIAL_DETECT_IRQ
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_SKIP_TEST|ASYNC_AUTO_IRQ)
#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_AUTO_IRQ)
#else
#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_SKIP_TEST)
#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF)
#endif
#define STD_SERIAL_PORT_DEFNS \
{ 0, BASE_BAUD, GEMINI_SERIAL_A, 15, STD_COM_FLAGS }, /* ttyS0 */ \
{ 0, BASE_BAUD, GEMINI_SERIAL_B, 14, STD_COM_FLAGS }, /* ttyS1 */ \
#ifdef CONFIG_GEMINI_PU32
#define PU32_SERIAL_PORT_DEFNS \
{ 0, BASE_BAUD, NULL, 0, STD_COM_FLAGS },
#else
#define PU32_SERIAL_PORT_DEFNS
#endif
#define SERIAL_PORT_DFNS \
STD_SERIAL_PORT_DEFNS \
PU32_SERIAL_PORT_DEFNS
#endif
#endif /* __KERNEL__ */

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/*
* Copyright (C) 1995 Linus Torvalds
* Adapted from 'alpha' version by Gary Thomas
* Modified by Cort Dougan (cort@cs.nmt.edu)
* Synergy Microsystems board support by Dan Cox (dan@synergymicro.com)
*
*/
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/reboot.h>
#include <linux/pci.h>
#include <linux/time.h>
#include <linux/kdev_t.h>
#include <linux/types.h>
#include <linux/major.h>
#include <linux/initrd.h>
#include <linux/console.h>
#include <linux/seq_file.h>
#include <linux/root_dev.h>
#include <linux/bcd.h>
#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/dma.h>
#include <asm/io.h>
#include <asm/m48t35.h>
#include <platforms/gemini.h>
#include <asm/time.h>
#include <asm/open_pic.h>
#include <asm/bootinfo.h>
#include <asm/machdep.h>
void gemini_find_bridges(void);
static int gemini_get_clock_speed(void);
extern void gemini_pcibios_fixup(void);
static char *gemini_board_families[] = {
"VGM", "VSS", "KGM", "VGR", "VCM", "VCS", "KCM", "VCR"
};
static int gemini_board_count = sizeof(gemini_board_families) /
sizeof(gemini_board_families[0]);
static unsigned int cpu_7xx[16] = {
0, 15, 14, 0, 0, 13, 5, 9, 6, 11, 8, 10, 16, 12, 7, 0
};
static unsigned int cpu_6xx[16] = {
0, 0, 14, 0, 0, 13, 5, 9, 6, 11, 8, 10, 0, 12, 7, 0
};
/*
* prom_init is the Gemini version of prom.c:prom_init. We only need
* the BSS clearing code, so I copied that out of prom.c. This is a
* lot simpler than hacking prom.c so it will build with Gemini. -VAL
*/
#define PTRRELOC(x) ((typeof(x))((unsigned long)(x) + offset))
unsigned long
prom_init(void)
{
unsigned long offset = reloc_offset();
unsigned long phys;
extern char __bss_start, _end;
/* First zero the BSS -- use memset, some arches don't have
* caches on yet */
memset_io(PTRRELOC(&__bss_start),0 , &_end - &__bss_start);
/* Default */
phys = offset + KERNELBASE;
gemini_prom_init();
return phys;
}
int
gemini_show_cpuinfo(struct seq_file *m)
{
unsigned char reg, rev;
char *family;
unsigned int type;
reg = readb(GEMINI_FEAT);
family = gemini_board_families[((reg>>4) & 0xf)];
if (((reg>>4) & 0xf) > gemini_board_count)
printk(KERN_ERR "cpuinfo(): unable to determine board family\n");
reg = readb(GEMINI_BREV);
type = (reg>>4) & 0xf;
rev = reg & 0xf;
reg = readb(GEMINI_BECO);
seq_printf(m, "machine\t\t: Gemini %s%d, rev %c, eco %d\n",
family, type, (rev + 'A'), (reg & 0xf));
seq_printf(m, "board\t\t: Gemini %s", family);
if (type > 9)
seq_printf(m, "%c", (type - 10) + 'A');
else
seq_printf(m, "%d", type);
seq_printf(m, ", rev %c, eco %d\n", (rev + 'A'), (reg & 0xf));
seq_printf(m, "clock\t\t: %dMhz\n", gemini_get_clock_speed());
return 0;
}
static u_char gemini_openpic_initsenses[] = {
1,
1,
1,
1,
0,
0,
1, /* remainder are level-triggered */
};
#define GEMINI_MPIC_ADDR (0xfcfc0000)
#define GEMINI_MPIC_PCI_CFG (0x80005800)
void __init gemini_openpic_init(void)
{
OpenPIC_Addr = (volatile struct OpenPIC *)
grackle_read(GEMINI_MPIC_PCI_CFG + 0x10);
OpenPIC_InitSenses = gemini_openpic_initsenses;
OpenPIC_NumInitSenses = sizeof( gemini_openpic_initsenses );
ioremap( GEMINI_MPIC_ADDR, OPENPIC_SIZE);
}
extern unsigned long loops_per_jiffy;
extern int root_mountflags;
extern char cmd_line[];
void
gemini_heartbeat(void)
{
static unsigned long led = GEMINI_LEDBASE+(4*8);
static char direction = 8;
/* We only want to do this on 1 CPU */
if (smp_processor_id())
return;
*(char *)led = 0;
if ( (led + direction) > (GEMINI_LEDBASE+(7*8)) ||
(led + direction) < (GEMINI_LEDBASE+(4*8)) )
direction *= -1;
led += direction;
*(char *)led = 0xff;
ppc_md.heartbeat_count = ppc_md.heartbeat_reset;
}
void __init gemini_setup_arch(void)
{
extern char cmd_line[];
loops_per_jiffy = 50000000/HZ;
#ifdef CONFIG_BLK_DEV_INITRD
/* bootable off CDROM */
if (initrd_start)
ROOT_DEV = Root_SR0;
else
#endif
ROOT_DEV = Root_SDA1;
/* nothing but serial consoles... */
sprintf(cmd_line, "%s console=ttyS0", cmd_line);
printk("Boot arguments: %s\n", cmd_line);
ppc_md.heartbeat = gemini_heartbeat;
ppc_md.heartbeat_reset = HZ/8;
ppc_md.heartbeat_count = 1;
/* Lookup PCI hosts */
gemini_find_bridges();
/* take special pains to map the MPIC, since it isn't mapped yet */
gemini_openpic_init();
/* start the L2 */
gemini_init_l2();
}
int
gemini_get_clock_speed(void)
{
unsigned long hid1, pvr;
int clock;
pvr = mfspr(SPRN_PVR);
hid1 = (mfspr(SPRN_HID1) >> 28) & 0xf;
if (PVR_VER(pvr) == 8 ||
PVR_VER(pvr) == 12)
hid1 = cpu_7xx[hid1];
else
hid1 = cpu_6xx[hid1];
switch((readb(GEMINI_BSTAT) & 0xc) >> 2) {
case 0:
default:
clock = (hid1*100)/3;
break;
case 1:
clock = (hid1*125)/3;
break;
case 2:
clock = (hid1*50);
break;
}
return clock;
}
void __init gemini_init_l2(void)
{
unsigned char reg, brev, fam, creg;
unsigned long cache;
unsigned long pvr;
reg = readb(GEMINI_L2CFG);
brev = readb(GEMINI_BREV);
fam = readb(GEMINI_FEAT);
pvr = mfspr(SPRN_PVR);
switch(PVR_VER(pvr)) {
case 8:
if (reg & 0xc0)
cache = (((reg >> 6) & 0x3) << 28);
else
cache = 0x3 << 28;
#ifdef CONFIG_SMP
/* Pre-3.0 processor revs had snooping errata. Leave
their L2's disabled with SMP. -- Dan */
if (PVR_CFG(pvr) < 3) {
printk("Pre-3.0 750; L2 left disabled!\n");
return;
}
#endif /* CONFIG_SMP */
/* Special case: VGM5-B's came before L2 ratios were set on
the board. Processor speed shouldn't be too high, so
set L2 ratio to 1:1.5. */
if ((brev == 0x51) && ((fam & 0xa0) >> 4) == 0)
reg |= 1;
/* determine best cache ratio based upon what the board
tells us (which sometimes _may_ not be true) and
the processor speed. */
else {
if (gemini_get_clock_speed() > 250)
reg = 2;
}
break;
case 12:
{
static unsigned long l2_size_val = 0;
if (!l2_size_val)
l2_size_val = _get_L2CR();
cache = l2_size_val;
break;
}
case 4:
case 9:
creg = readb(GEMINI_CPUSTAT);
if (((creg & 0xc) >> 2) != 1)
printk("Dual-604 boards don't support the use of L2\n");
else
writeb(1, GEMINI_L2CFG);
return;
default:
printk("Unknown processor; L2 left disabled\n");
return;
}
cache |= ((1<<reg) << 25);
cache |= (L2CR_L2RAM_MASK|L2CR_L2CTL|L2CR_L2DO);
_set_L2CR(0);
_set_L2CR(cache | L2CR_L2E);
}
void
gemini_restart(char *cmd)
{
local_irq_disable();
/* make a clean restart, not via the MPIC */
_gemini_reboot();
for(;;);
}
void
gemini_power_off(void)
{
for(;;);
}
void
gemini_halt(void)
{
gemini_restart(NULL);
}
void __init gemini_init_IRQ(void)
{
/* gemini has no 8259 */
openpic_init(1, 0, 0, -1);
}
#define gemini_rtc_read(x) (readb(GEMINI_RTC+(x)))
#define gemini_rtc_write(val,x) (writeb((val),(GEMINI_RTC+(x))))
/* ensure that the RTC is up and running */
long __init gemini_time_init(void)
{
unsigned char reg;
reg = gemini_rtc_read(M48T35_RTC_CONTROL);
if ( reg & M48T35_RTC_STOPPED ) {
printk(KERN_INFO "M48T35 real-time-clock was stopped. Now starting...\n");
gemini_rtc_write((reg & ~(M48T35_RTC_STOPPED)), M48T35_RTC_CONTROL);
gemini_rtc_write((reg | M48T35_RTC_SET), M48T35_RTC_CONTROL);
}
return 0;
}
#undef DEBUG_RTC
unsigned long
gemini_get_rtc_time(void)
{
unsigned int year, mon, day, hour, min, sec;
unsigned char reg;
reg = gemini_rtc_read(M48T35_RTC_CONTROL);
gemini_rtc_write((reg|M48T35_RTC_READ), M48T35_RTC_CONTROL);
#ifdef DEBUG_RTC
printk("get rtc: reg = %x\n", reg);
#endif
do {
sec = gemini_rtc_read(M48T35_RTC_SECONDS);
min = gemini_rtc_read(M48T35_RTC_MINUTES);
hour = gemini_rtc_read(M48T35_RTC_HOURS);
day = gemini_rtc_read(M48T35_RTC_DOM);
mon = gemini_rtc_read(M48T35_RTC_MONTH);
year = gemini_rtc_read(M48T35_RTC_YEAR);
} while( sec != gemini_rtc_read(M48T35_RTC_SECONDS));
#ifdef DEBUG_RTC
printk("get rtc: sec=%x, min=%x, hour=%x, day=%x, mon=%x, year=%x\n",
sec, min, hour, day, mon, year);
#endif
gemini_rtc_write(reg, M48T35_RTC_CONTROL);
BCD_TO_BIN(sec);
BCD_TO_BIN(min);
BCD_TO_BIN(hour);
BCD_TO_BIN(day);
BCD_TO_BIN(mon);
BCD_TO_BIN(year);
if ((year += 1900) < 1970)
year += 100;
#ifdef DEBUG_RTC
printk("get rtc: sec=%x, min=%x, hour=%x, day=%x, mon=%x, year=%x\n",
sec, min, hour, day, mon, year);
#endif
return mktime( year, mon, day, hour, min, sec );
}
int
gemini_set_rtc_time( unsigned long now )
{
unsigned char reg;
struct rtc_time tm;
to_tm( now, &tm );
reg = gemini_rtc_read(M48T35_RTC_CONTROL);
#ifdef DEBUG_RTC
printk("set rtc: reg = %x\n", reg);
#endif
gemini_rtc_write((reg|M48T35_RTC_SET), M48T35_RTC_CONTROL);
#ifdef DEBUG_RTC
printk("set rtc: tm vals - sec=%x, min=%x, hour=%x, mon=%x, mday=%x, year=%x\n",
tm.tm_sec, tm.tm_min, tm.tm_hour, tm.tm_mon, tm.tm_mday, tm.tm_year);
#endif
tm.tm_year -= 1900;
BIN_TO_BCD(tm.tm_sec);
BIN_TO_BCD(tm.tm_min);
BIN_TO_BCD(tm.tm_hour);
BIN_TO_BCD(tm.tm_mon);
BIN_TO_BCD(tm.tm_mday);
BIN_TO_BCD(tm.tm_year);
#ifdef DEBUG_RTC
printk("set rtc: tm vals - sec=%x, min=%x, hour=%x, mon=%x, mday=%x, year=%x\n",
tm.tm_sec, tm.tm_min, tm.tm_hour, tm.tm_mon, tm.tm_mday, tm.tm_year);
#endif
gemini_rtc_write(tm.tm_sec, M48T35_RTC_SECONDS);
gemini_rtc_write(tm.tm_min, M48T35_RTC_MINUTES);
gemini_rtc_write(tm.tm_hour, M48T35_RTC_HOURS);
gemini_rtc_write(tm.tm_mday, M48T35_RTC_DOM);
gemini_rtc_write(tm.tm_mon, M48T35_RTC_MONTH);
gemini_rtc_write(tm.tm_year, M48T35_RTC_YEAR);
/* done writing */
gemini_rtc_write(reg, M48T35_RTC_CONTROL);
return 0;
}
/* use the RTC to determine the decrementer count */
void __init gemini_calibrate_decr(void)
{
int freq, divisor;
unsigned char reg;
/* determine processor bus speed */
reg = readb(GEMINI_BSTAT);
switch(((reg & 0x0c)>>2)&0x3) {
case 0:
default:
freq = 66667;
break;
case 1:
freq = 83000;
break;
case 2:
freq = 100000;
break;
}
freq *= 1000;
divisor = 4;
tb_ticks_per_jiffy = freq / HZ / divisor;
tb_to_us = mulhwu_scale_factor(freq/divisor, 1000000);
}
unsigned long __init gemini_find_end_of_memory(void)
{
unsigned long total;
unsigned char reg;
reg = readb(GEMINI_MEMCFG);
total = ((1<<((reg & 0x7) - 1)) *
(8<<((reg >> 3) & 0x7)));
total *= (1024*1024);
return total;
}
static void __init
gemini_map_io(void)
{
io_block_mapping(0xf0000000, 0xf0000000, 0x10000000, _PAGE_IO);
io_block_mapping(0x80000000, 0x80000000, 0x10000000, _PAGE_IO);
}
#ifdef CONFIG_SMP
static int
smp_gemini_probe(void)
{
int i, nr;
nr = (readb(GEMINI_CPUSTAT) & GEMINI_CPU_COUNT_MASK) >> 2;
if (nr == 0)
nr = 4;
if (nr > 1) {
openpic_request_IPIs();
for (i = 1; i < nr; ++i)
smp_hw_index[i] = i;
}
return nr;
}
static void
smp_gemini_kick_cpu(int nr)
{
openpic_reset_processor_phys(1 << nr);
openpic_reset_processor_phys(0);
}
static void
smp_gemini_setup_cpu(int cpu_nr)
{
if (OpenPIC_Addr)
do_openpic_setup_cpu();
if (cpu_nr > 0)
gemini_init_l2();
}
static struct smp_ops_t gemini_smp_ops = {
smp_openpic_message_pass,
smp_gemini_probe,
smp_gemini_kick_cpu,
smp_gemini_setup_cpu,
.give_timebase = smp_generic_give_timebase,
.take_timebase = smp_generic_take_timebase,
};
#endif /* CONFIG_SMP */
void __init platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7)
{
int i;
/* Restore BATs for now */
mtspr(SPRN_DBAT3U, 0xf0001fff);
mtspr(SPRN_DBAT3L, 0xf000002a);
parse_bootinfo(find_bootinfo());
for(i = 0; i < GEMINI_LEDS; i++)
gemini_led_off(i);
ISA_DMA_THRESHOLD = 0;
DMA_MODE_READ = 0;
DMA_MODE_WRITE = 0;
#ifdef CONFIG_BLK_DEV_INITRD
if ( r4 )
{
initrd_start = r4 + KERNELBASE;
initrd_end = r5 + KERNELBASE;
}
#endif
ppc_md.setup_arch = gemini_setup_arch;
ppc_md.show_cpuinfo = gemini_show_cpuinfo;
ppc_md.init_IRQ = gemini_init_IRQ;
ppc_md.get_irq = openpic_get_irq;
ppc_md.init = NULL;
ppc_md.restart = gemini_restart;
ppc_md.power_off = gemini_power_off;
ppc_md.halt = gemini_halt;
ppc_md.time_init = gemini_time_init;
ppc_md.set_rtc_time = gemini_set_rtc_time;
ppc_md.get_rtc_time = gemini_get_rtc_time;
ppc_md.calibrate_decr = gemini_calibrate_decr;
ppc_md.find_end_of_memory = gemini_find_end_of_memory;
ppc_md.setup_io_mappings = gemini_map_io;
ppc_md.pcibios_fixup_bus = gemini_pcibios_fixup;
#ifdef CONFIG_SMP
smp_ops = &gemini_smp_ops;
#endif /* CONFIG_SMP */
}

1
arch/ppc/syslib/Makefile
View File

@ -45,7 +45,6 @@ obj-$(CONFIG_EBONY) += pci_auto.o todc_time.o
obj-$(CONFIG_EV64260) += todc_time.o pci_auto.o
obj-$(CONFIG_EV64360) += todc_time.o
obj-$(CONFIG_CHESTNUT) += mv64360_pic.o pci_auto.o
obj-$(CONFIG_GEMINI) += open_pic.o
obj-$(CONFIG_GT64260) += gt64260_pic.o
obj-$(CONFIG_LOPEC) += pci_auto.o todc_time.o
obj-$(CONFIG_HDPU) += pci_auto.o

5
arch/ppc/xmon/start.c
View File

@ -58,10 +58,7 @@ static struct sysrq_key_op sysrq_xmon_op =
void
xmon_map_scc(void)
{
#if defined(CONFIG_GEMINI)
/* should already be mapped by the kernel boot */
sccd = (volatile unsigned char *) 0xffeffb08;
#elif defined(CONFIG_405GP)
#if defined(CONFIG_405GP)
sccd = (volatile unsigned char *)0xef600300;
#elif defined(CONFIG_440EP)
sccd = (volatile unsigned char *) ioremap(PPC440EP_UART0_ADDR, 8);

77
include/asm-ppc/m48t35.h
View File

@ -1,77 +0,0 @@
/*
* Registers for the SGS-Thomson M48T35 Timekeeper RAM chip
* and
* Registers for the SGS-Thomson M48T37 Timekeeper RAM chip
* The 37 is the 35 plus alarm and century thus the offsets
* are shifted by the extra registers.
*/
#ifndef __PPC_M48T35_H
#define __PPC_M48T35_H
/* RTC offsets */
#define M48T35_RTC_FLAGS (-8) /* the negative regs are really T37 only */
#define M48T35_RTC_CENTURY (-7)
#define M48T35_RTC_AL_SEC (-6)
#define M48T35_RTC_AL_MIN (-5)
#define M48T35_RTC_AL_HRS (-4)
#define M48T35_RTC_AL_DOM (-3)
#define M48T35_RTC_INTERRUPT (-2)
#define M48T35_RTC_WATCHDOG (-1)
#define M48T35_RTC_CONTROL 0 /* T35 starts here */
#define M48T35_RTC_SECONDS 1
#define M48T35_RTC_MINUTES 2
#define M48T35_RTC_HOURS 3
#define M48T35_RTC_DAY 4
#define M48T35_RTC_DOM 5
#define M48T35_RTC_MONTH 6
#define M48T35_RTC_YEAR 7
/* this way help us know which bits go with which regs */
#define M48T35_RTC_FLAGS_BL 0x10
#define M48T35_RTC_FLAGS_AF 0x40
#define M48T35_RTC_FLAGS_WDF 0x80
#define M48T35_RTC_INTERRUPT_AFE 0x80
#define M48T35_RTC_INTERRUPT_ABE 0x20
#define M48T35_RTC_INTERRUPT_ALL (M48T35_RTC_INTERRUPT_AFE|M48T35_RTC_INTERRUPT_ABE)
#define M48T35_RTC_WATCHDOG_RB 0x03
#define M48T35_RTC_WATCHDOG_BMB 0x7c
#define M48T35_RTC_WATCHDOG_WDS 0x80
#define M48T35_RTC_WATCHDOG_ALL (M48T35_RTC_WATCHDOG_RB|M48T35_RTC_WATCHDOG_BMB|M48T35_RTC_W)
#define M48T35_RTC_CONTROL_WRITE 0x80
#define M48T35_RTC_CONTROL_READ 0x40
#define M48T35_RTC_CONTROL_CAL_SIGN 0x20
#define M48T35_RTC_CONTROL_CAL_VALUE 0x1f
#define M48T35_RTC_CONTROL_LOCKED (M48T35_RTC_WRITE|M48T35_RTC_READ)
#define M48T35_RTC_CONTROL_CALIBRATION (M48T35_RTC_CONTROL_CAL_SIGN|M48T35_RTC_CONTROL_CAL_VALUE)
#define M48T35_RTC_SECONDS_SEC_1 0x0f
#define M48T35_RTC_SECONDS_SEC_10 0x70
#define M48T35_RTC_SECONDS_ST 0x80
#define M48T35_RTC_SECONDS_SEC_ALL (M48T35_RTC_SECONDS_SEC_1|M48T35_RTC_SECONDS_SEC_10)
#define M48T35_RTC_MINUTES_MIN_1 0x0f
#define M48T35_RTC_MINUTES_MIN_10 0x70
#define M48T35_RTC_MINUTES_MIN_ALL (M48T35_RTC_MINUTES_MIN_1|M48T35_RTC_MINUTES_MIN_10)
#define M48T35_RTC_HOURS_HRS_1 0x0f
#define M48T35_RTC_HOURS_HRS_10 0x30
#define M48T35_RTC_HOURS_HRS_ALL (M48T35_RTC_HOURS_HRS_1|M48T35_RTC_HOURS_HRS_10)
#define M48T35_RTC_DAY_DAY_1 0x03
#define M48T35_RTC_DAY_FT 0x40
#define M48T35_RTC_ALARM_OFF 0x00
#define M48T35_RTC_WATCHDOG_OFF 0x00
/* legacy */
#define M48T35_RTC_SET 0x80
#define M48T35_RTC_STOPPED 0x80
#define M48T35_RTC_READ 0x40
#endif

2
include/asm-ppc/serial.h
View File

@ -11,8 +11,6 @@
#include <platforms/ev64260.h>
#elif defined(CONFIG_CHESTNUT)
#include <platforms/chestnut.h>
#elif defined(CONFIG_GEMINI)
#include <platforms/gemini_serial.h>
#elif defined(CONFIG_POWERPMC250)
#include <platforms/powerpmc250.h>
#elif defined(CONFIG_LOPEC)