Commit 9be15f90 authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds

[PATCH] ppc32: Update SBS K2 support

From: Tom Rini <trini@kernel.crashing.org>

This patch updates support for the SBS K2 platform.  Most of the size in this
patch comes from merging k2_pci.c and k2_setup.c into just k2.c.
parent 3e0dd373
......@@ -609,7 +609,7 @@ config PPC_OF
config PPC_GEN550
bool
depends on SANDPOINT || MCPN765 || SPRUCE || PPLUS || PCORE
depends on SANDPOINT || MCPN765 || SPRUCE || PPLUS || PCORE || K2
default y
config FORCE
......
......@@ -4,23 +4,39 @@
CONFIG_MMU=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_HAVE_DEC_LOCK=y
CONFIG_PPC=y
CONFIG_PPC32=y
CONFIG_GENERIC_NVRAM=y
#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
CONFIG_CLEAN_COMPILE=y
CONFIG_STANDALONE=y
CONFIG_BROKEN_ON_SMP=y
#
# General setup
#
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
# CONFIG_POSIX_MQUEUE is not set
# CONFIG_BSD_PROCESS_ACCT is not set
CONFIG_SYSCTL=y
# CONFIG_AUDIT is not set
CONFIG_LOG_BUF_SHIFT=14
# CONFIG_EMBEDDED is not set
# CONFIG_HOTPLUG is not set
# CONFIG_IKCONFIG is not set
CONFIG_EMBEDDED=y
CONFIG_KALLSYMS=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
#
# Loadable module support
......@@ -33,24 +49,25 @@ CONFIG_OBSOLETE_MODPARM=y
CONFIG_KMOD=y
#
# Platform support
# Processor
#
CONFIG_PPC=y
CONFIG_PPC32=y
CONFIG_6xx=y
# CONFIG_40x is not set
# CONFIG_44x is not set
# CONFIG_POWER3 is not set
# CONFIG_POWER4 is not set
# CONFIG_8xx is not set
# CONFIG_ALTIVEC is not set
# CONFIG_TAU is not set
# CONFIG_CPU_FREQ is not set
CONFIG_PPC_STD_MMU=y
#
# IBM 4xx options
# Platform 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_WILLOW is not set
# CONFIG_PCORE is not set
# CONFIG_POWERPMC250 is not set
# CONFIG_EV64260 is not set
......@@ -66,34 +83,29 @@ CONFIG_PPC_STD_MMU=y
CONFIG_K2=y
# CONFIG_PAL4 is not set
# CONFIG_GEMINI is not set
# CONFIG_EST8260 is not set
# CONFIG_SBS8260 is not set
# CONFIG_RPX6 is not set
# CONFIG_TQM8260 is not set
CONFIG_PPC_GEN550=y
# CONFIG_CPC710_DATA_GATHERING is not set
# CONFIG_SMP is not set
# CONFIG_PREEMPT is not set
# CONFIG_ALTIVEC is not set
# CONFIG_TAU is not set
# CONFIG_CPU_FREQ is not set
# CONFIG_HIGHMEM is not set
CONFIG_KERNEL_ELF=y
CONFIG_BINFMT_ELF=y
# CONFIG_BINFMT_MISC is not set
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="ip=on"
#
# General setup
# Bus options
#
# CONFIG_HIGHMEM is not set
CONFIG_GENERIC_ISA_DMA=y
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 is not set
# CONFIG_PCI_NAMES is not set
# CONFIG_HOTPLUG is not set
#
# Parallel port support
#
# CONFIG_PARPORT is not set
# CONFIG_PPC601_SYNC_FIX is not set
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="ip=on"
#
# Advanced setup
......@@ -109,15 +121,27 @@ CONFIG_KERNEL_START=0xc0000000
CONFIG_TASK_SIZE=0x80000000
CONFIG_BOOT_LOAD=0x00800000
#
# Device Drivers
#
#
# Generic Driver Options
#
#
# Memory Technology Devices (MTD)
#
# CONFIG_MTD is not set
#
# Parallel port support
#
# CONFIG_PARPORT is not set
#
# Plug and Play support
#
# CONFIG_PNP is not set
#
# Block devices
......@@ -128,53 +152,89 @@ CONFIG_BOOT_LOAD=0x00800000
# CONFIG_BLK_DEV_DAC960 is not set
# CONFIG_BLK_DEV_UMEM is not set
CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
# CONFIG_BLK_DEV_NBD is not set
# CONFIG_BLK_DEV_CARMEL is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=4096
CONFIG_BLK_DEV_INITRD=y
# CONFIG_LBD is not set
#
# Multi-device support (RAID and LVM)
#
# CONFIG_MD is not set
#
# ATA/IDE/MFM/RLL support
# ATA/ATAPI/MFM/RLL support
#
CONFIG_IDE=y
#
# IDE, ATA and ATAPI Block devices
#
CONFIG_BLK_DEV_IDE=y
#
# Please see Documentation/ide.txt for help/info on IDE drives
#
# CONFIG_BLK_DEV_HD is not set
CONFIG_BLK_DEV_IDEDISK=y
# CONFIG_IDEDISK_MULTI_MODE is not set
# CONFIG_IDEDISK_STROKE is not set
# CONFIG_BLK_DEV_IDECD is not set
# CONFIG_BLK_DEV_IDETAPE is not set
# CONFIG_BLK_DEV_IDEFLOPPY is not set
# CONFIG_IDE_TASK_IOCTL is not set
# CONFIG_IDE_TASKFILE_IO is not set
#
# IDE chipset support/bugfixes
#
# CONFIG_BLK_DEV_IDEPCI is not set
# CONFIG_IDE_GENERIC is not set
CONFIG_BLK_DEV_IDEPCI=y
# CONFIG_IDEPCI_SHARE_IRQ is not set
# CONFIG_BLK_DEV_OFFBOARD is not set
# CONFIG_BLK_DEV_GENERIC is not set
# CONFIG_BLK_DEV_OPTI621 is not set
# CONFIG_BLK_DEV_SL82C105 is not set
CONFIG_BLK_DEV_IDEDMA_PCI=y
# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
# CONFIG_IDEDMA_PCI_AUTO is not set
CONFIG_BLK_DEV_ADMA=y
# CONFIG_BLK_DEV_AEC62XX is not set
CONFIG_BLK_DEV_ALI15X3=y
# CONFIG_WDC_ALI15X3 is not set
# CONFIG_BLK_DEV_AMD74XX is not set
# CONFIG_BLK_DEV_CMD64X is not set
# CONFIG_BLK_DEV_TRIFLEX is not set
# CONFIG_BLK_DEV_CY82C693 is not set
# CONFIG_BLK_DEV_CS5520 is not set
# CONFIG_BLK_DEV_CS5530 is not set
# CONFIG_BLK_DEV_HPT34X is not set
# CONFIG_BLK_DEV_HPT366 is not set
# CONFIG_BLK_DEV_SC1200 is not set
# CONFIG_BLK_DEV_PIIX is not set
# CONFIG_BLK_DEV_NS87415 is not set
# CONFIG_BLK_DEV_PDC202XX_OLD is not set
# CONFIG_BLK_DEV_PDC202XX_NEW is not set
# CONFIG_BLK_DEV_SVWKS is not set
# CONFIG_BLK_DEV_SIIMAGE is not set
# CONFIG_BLK_DEV_SLC90E66 is not set
# CONFIG_BLK_DEV_TRM290 is not set
# CONFIG_BLK_DEV_VIA82CXXX is not set
CONFIG_BLK_DEV_IDEDMA=y
# CONFIG_IDEDMA_IVB is not set
# CONFIG_IDEDMA_AUTO is not set
# CONFIG_BLK_DEV_HD is not set
#
# SCSI support
# SCSI device support
#
# CONFIG_SCSI is not set
#
# Multi-device support (RAID and LVM)
#
# CONFIG_MD is not set
#
# Fusion MPT device support
#
# CONFIG_FUSION is not set
#
# IEEE 1394 (FireWire) support (EXPERIMENTAL)
# IEEE 1394 (FireWire) support
#
# CONFIG_IEEE1394 is not set
......@@ -183,6 +243,10 @@ CONFIG_BLK_DEV_IDEDISK=y
#
# CONFIG_I2O is not set
#
# Macintosh device drivers
#
#
# Networking support
#
......@@ -194,8 +258,6 @@ CONFIG_NET=y
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
......@@ -208,12 +270,19 @@ CONFIG_IP_PNP_DHCP=y
# 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: Virtual Server Configuration
#
# CONFIG_IP_VS is not set
# CONFIG_IPV6 is not set
CONFIG_NETFILTER=y
# CONFIG_NETFILTER_DEBUG is not set
#
# IP: Netfilter Configuration
#
......@@ -225,11 +294,13 @@ CONFIG_IP_NF_FTP=m
# CONFIG_IP_NF_QUEUE is not set
CONFIG_IP_NF_IPTABLES=m
CONFIG_IP_NF_MATCH_LIMIT=m
# CONFIG_IP_NF_MATCH_IPRANGE is not set
CONFIG_IP_NF_MATCH_MAC=m
CONFIG_IP_NF_MATCH_PKTTYPE=m
CONFIG_IP_NF_MATCH_MARK=m
CONFIG_IP_NF_MATCH_MULTIPORT=m
CONFIG_IP_NF_MATCH_TOS=m
# CONFIG_IP_NF_MATCH_RECENT is not set
CONFIG_IP_NF_MATCH_ECN=m
CONFIG_IP_NF_MATCH_DSCP=m
CONFIG_IP_NF_MATCH_AH_ESP=m
......@@ -239,15 +310,15 @@ CONFIG_IP_NF_MATCH_TCPMSS=m
CONFIG_IP_NF_MATCH_HELPER=m
CONFIG_IP_NF_MATCH_STATE=m
CONFIG_IP_NF_MATCH_CONNTRACK=m
CONFIG_IP_NF_MATCH_UNCLEAN=m
CONFIG_IP_NF_MATCH_OWNER=m
CONFIG_IP_NF_FILTER=m
CONFIG_IP_NF_TARGET_REJECT=m
CONFIG_IP_NF_TARGET_MIRROR=m
CONFIG_IP_NF_NAT=m
CONFIG_IP_NF_NAT_NEEDED=y
CONFIG_IP_NF_TARGET_MASQUERADE=m
CONFIG_IP_NF_TARGET_REDIRECT=m
# CONFIG_IP_NF_TARGET_NETMAP is not set
# CONFIG_IP_NF_TARGET_SAME is not set
# CONFIG_IP_NF_NAT_LOCAL is not set
# CONFIG_IP_NF_NAT_SNMP_BASIC is not set
CONFIG_IP_NF_NAT_FTP=m
......@@ -257,21 +328,22 @@ CONFIG_IP_NF_TARGET_ULOG=m
CONFIG_IP_NF_TARGET_TCPMSS=m
CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
# CONFIG_IP_NF_ARP_MANGLE is not set
CONFIG_IP_NF_COMPAT_IPCHAINS=m
# CONFIG_IP_NF_COMPAT_IPFWADM is not set
# CONFIG_IPV6 is not set
# CONFIG_XFRM_USER is not set
# CONFIG_IP_NF_RAW is not set
#
# SCTP Configuration (EXPERIMENTAL)
#
CONFIG_IPV6_SCTP__=y
# CONFIG_IP_SCTP is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE 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_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_NET_DIVERT is not set
......@@ -289,17 +361,21 @@ CONFIG_IPV6_SCTP__=y
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_NETPOLL is not set
# CONFIG_NET_POLL_CONTROLLER is not set
# CONFIG_HAMRADIO is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
CONFIG_NETDEVICES=y
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set
#
# 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)
......@@ -321,6 +397,7 @@ CONFIG_NET_PCI=y
# CONFIG_AMD8111_ETH is not set
# CONFIG_ADAPTEC_STARFIRE is not set
# CONFIG_B44 is not set
# CONFIG_FORCEDETH is not set
# CONFIG_DGRS is not set
CONFIG_EEPRO100=y
# CONFIG_EEPRO100_PIO is not set
......@@ -353,51 +430,39 @@ CONFIG_EEPRO100=y
# 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
# CONFIG_S2IO is not set
#
# Wireless LAN (non-hamradio)
# Token Ring devices
#
# CONFIG_NET_RADIO is not set
# CONFIG_TR is not set
#
# Token Ring devices (depends on LLC=y)
# Wireless LAN (non-hamradio)
#
# CONFIG_RCPCI is not set
# CONFIG_SHAPER is not set
# CONFIG_NET_RADIO 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
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
# CONFIG_RCPCI is not set
# CONFIG_SHAPER is not set
# CONFIG_NETCONSOLE is not set
#
# ISDN subsystem
#
# CONFIG_ISDN_BOOL is not set
# CONFIG_ISDN is not set
#
# Graphics support
# Telephony Support
#
# CONFIG_FB is not set
#
# Old CD-ROM drivers (not SCSI, not IDE)
#
# CONFIG_CD_NO_IDESCSI is not set
# CONFIG_PHONE is not set
#
# Input device support
......@@ -414,18 +479,16 @@ CONFIG_EEPRO100=y
# CONFIG_GAMEPORT is not set
CONFIG_SOUND_GAMEPORT=y
# CONFIG_SERIO is not set
# CONFIG_SERIO_I8042 is not set
#
# Input Device Drivers
#
#
# Macintosh device drivers
#
#
# Character devices
#
# CONFIG_VT is not set
# CONFIG_SERIAL_NONSTANDARD is not set
#
......@@ -433,6 +496,7 @@ CONFIG_SOUND_GAMEPORT=y
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=2
# CONFIG_SERIAL_8250_EXTENDED is not set
#
......@@ -441,26 +505,8 @@ CONFIG_SERIAL_8250_CONSOLE=y
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_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
# CONFIG_QIC02_TAPE is not set
#
......@@ -486,7 +532,15 @@ CONFIG_GEN_RTC=y
# CONFIG_AGP is not set
# CONFIG_DRM is not set
# CONFIG_RAW_DRIVER is not set
# CONFIG_HANGCHECK_TIMER is not set
#
# I2C support
#
# CONFIG_I2C is not set
#
# Misc devices
#
#
# Multimedia devices
......@@ -498,6 +552,26 @@ CONFIG_GEN_RTC=y
#
# CONFIG_DVB is not set
#
# Graphics support
#
# CONFIG_FB is not set
#
# Sound
#
# CONFIG_SOUND is not set
#
# USB support
#
# CONFIG_USB is not set
#
# USB Gadget Support
#
# CONFIG_USB_GADGET is not set
#
# File systems
#
......@@ -530,10 +604,12 @@ CONFIG_EXT2_FS=y
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_SYSFS=y
# CONFIG_DEVFS_FS is not set
CONFIG_DEVPTS_FS=y
# CONFIG_DEVPTS_FS_XATTR is not set
CONFIG_TMPFS=y
# CONFIG_HUGETLB_PAGE is not set
CONFIG_RAMFS=y
#
......@@ -542,6 +618,7 @@ CONFIG_RAMFS=y
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_HFSPLUS_FS is not set
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
......@@ -558,12 +635,13 @@ CONFIG_RAMFS=y
CONFIG_NFS_FS=y
# CONFIG_NFS_V3 is not set
# CONFIG_NFS_V4 is not set
# CONFIG_NFS_DIRECTIO is not set
# CONFIG_NFSD is not set
CONFIG_ROOT_NFS=y
CONFIG_LOCKD=y
# CONFIG_EXPORTFS is not set
CONFIG_SUNRPC=y
# CONFIG_SUNRPC_GSS is not set
# CONFIG_RPCSEC_GSS_KRB5 is not set
# CONFIG_SMB_FS is not set
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
......@@ -578,20 +656,9 @@ CONFIG_SUNRPC=y
CONFIG_MSDOS_PARTITION=y
#
# Sound
# Native Language Support
#
# 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
# CONFIG_NLS is not set
#
# Library routines
......@@ -602,7 +669,7 @@ CONFIG_MSDOS_PARTITION=y
# Kernel hacking
#
# CONFIG_DEBUG_KERNEL is not set
# CONFIG_KALLSYMS is not set
# CONFIG_SERIAL_TEXT_DEBUG is not set
#
# Security options
......
......@@ -33,7 +33,7 @@ obj-$(CONFIG_EST8260) += est8260_setup.o
obj-$(CONFIG_TQM8260) += tqm8260_setup.o
obj-$(CONFIG_EV64260) += ev64260_setup.o
obj-$(CONFIG_GEMINI) += gemini_pci.o gemini_setup.o gemini_prom.o
obj-$(CONFIG_K2) += k2_setup.o k2_pci.o
obj-$(CONFIG_K2) += k2.o
obj-$(CONFIG_LOPEC) += lopec_setup.o lopec_pci.o
obj-$(CONFIG_MCPN765) += mcpn765.o
obj-$(CONFIG_MENF1) += menf1_setup.o menf1_pci.o
......
/*
* arch/ppc/platforms/k2_pci.c
* arch/ppc/platforms/k2.c
*
* PCI support for SBS K2
* Board setup routines for SBS K2
*
* Author: Matt Porter <mporter@mvista.com>
*
* 2001 (c) MontaVista, Software, Inc. This file is licensed under
* Updated by: Randy Vinson <rvinson@mvista.com.
*
* 2001-2004 (c) MontaVista, Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/config.h>
#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/slab.h>
#include <asm/byteorder.h>
#include <linux/kdev_t.h>
#include <linux/types.h>
#include <linux/major.h>
#include <linux/initrd.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/ide.h>
#include <linux/irq.h>
#include <linux/seq_file.h>
#include <linux/root_dev.h>
#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/dma.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <asm/time.h>
#include <asm/i8259.h>
#include <asm/todc.h>
#include <asm/bootinfo.h>
#include <syslib/cpc710.h>
#include "k2.h"
#undef DEBUG
#ifdef DEBUG
#define DBG(x...) printk(x)
#else
#define DBG(x...)
#endif /* DEBUG */
extern unsigned long loops_per_jiffy;
extern void gen550_progress(char *, unsigned short);
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
};
static inline int __init
k2_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
......@@ -41,8 +63,7 @@ k2_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
* Check our hose index. If we are zero then we are on the
* local PCI hose, otherwise we are on the cPCI hose.
*/
if (!hose->index)
{
if (!hose->index) {
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
......@@ -67,9 +88,7 @@ k2_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
};
const long min_idsel = 3, max_idsel = 17, irqs_per_slot = 4;
return PCI_IRQ_TABLE_LOOKUP;
}
else
{
} else {
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
......@@ -98,16 +117,15 @@ void k2_pcibios_fixup(void)
* Enable DMA support on hdc
*/
ide_dev = pci_find_device(PCI_VENDOR_ID_AL,
PCI_DEVICE_ID_AL_M5229,
NULL);
PCI_DEVICE_ID_AL_M5229, NULL);
if (ide_dev) {
unsigned long ide_dma_base;
ide_dma_base = pci_resource_start(ide_dev, 4);
outb(0x00, ide_dma_base+0x2);
outb(0x20, ide_dma_base+0xa);
outb(0x00, ide_dma_base + 0x2);
outb(0x20, ide_dma_base + 0xa);
}
#endif
}
......@@ -117,11 +135,9 @@ void k2_pcibios_fixup_resources(struct pci_dev *dev)
int i;
if ((dev->vendor == PCI_VENDOR_ID_IBM) &&
(dev->device == PCI_DEVICE_ID_IBM_CPC710_PCI64))
{
DBG("Fixup CPC710 resources\n");
for (i=0; i<DEVICE_COUNT_RESOURCE; i++)
{
(dev->device == PCI_DEVICE_ID_IBM_CPC710_PCI64)) {
pr_debug("Fixup CPC710 resources\n");
for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
dev->resource[i].start = 0;
dev->resource[i].end = 0;
}
......@@ -141,37 +157,37 @@ void k2_setup_hoses(void)
__raw_writel(0x808000e0, PGCHP); /* Set FPHB mode */
/* PCI32 mappings */
__raw_writel(0x00000000, K2_PCI32_BAR+PIBAR); /* PCI I/O base */
__raw_writel(0x00000000, K2_PCI32_BAR+PMBAR); /* PCI Mem base */
__raw_writel(0xf0000000, K2_PCI32_BAR+MSIZE); /* 256MB */
__raw_writel(0xfff00000, K2_PCI32_BAR+IOSIZE); /* 1MB */
__raw_writel(0xc0000000, K2_PCI32_BAR+SMBAR); /* Base@0xc0000000 */
__raw_writel(0x80000000, K2_PCI32_BAR+SIBAR); /* Base@0x80000000 */
__raw_writel(0x000000c0, K2_PCI32_BAR+PSSIZE); /* 1GB space */
__raw_writel(0x000000c0, K2_PCI32_BAR+PPSIZE); /* 1GB space */
__raw_writel(0x00000000, K2_PCI32_BAR+BARPS); /* Base@0x00000000 */
__raw_writel(0x00000000, K2_PCI32_BAR+BARPP); /* Base@0x00000000 */
__raw_writel(0x00000080, K2_PCI32_BAR+PSBAR); /* Base@0x80 */
__raw_writel(0x00000000, K2_PCI32_BAR+PPBAR);
__raw_writel(0xc0000000, K2_PCI32_BAR+BPMDLK);
__raw_writel(0xd0000000, K2_PCI32_BAR+TPMDLK);
__raw_writel(0x80000000, K2_PCI32_BAR+BIODLK);
__raw_writel(0x80100000, K2_PCI32_BAR+TIODLK);
__raw_writel(0xe0008000, K2_PCI32_BAR+DLKCTRL);
__raw_writel(0xffffffff, K2_PCI32_BAR+DLKDEV);
__raw_writel(0x00000000, K2_PCI32_BAR + PIBAR); /* PCI I/O base */
__raw_writel(0x00000000, K2_PCI32_BAR + PMBAR); /* PCI Mem base */
__raw_writel(0xf0000000, K2_PCI32_BAR + MSIZE); /* 256MB */
__raw_writel(0xfff00000, K2_PCI32_BAR + IOSIZE); /* 1MB */
__raw_writel(0xc0000000, K2_PCI32_BAR + SMBAR); /* Base@0xc0000000 */
__raw_writel(0x80000000, K2_PCI32_BAR + SIBAR); /* Base@0x80000000 */
__raw_writel(0x000000c0, K2_PCI32_BAR + PSSIZE); /* 1GB space */
__raw_writel(0x000000c0, K2_PCI32_BAR + PPSIZE); /* 1GB space */
__raw_writel(0x00000000, K2_PCI32_BAR + BARPS); /* Base@0x00000000 */
__raw_writel(0x00000000, K2_PCI32_BAR + BARPP); /* Base@0x00000000 */
__raw_writel(0x00000080, K2_PCI32_BAR + PSBAR); /* Base@0x80 */
__raw_writel(0x00000000, K2_PCI32_BAR + PPBAR);
__raw_writel(0xc0000000, K2_PCI32_BAR + BPMDLK);
__raw_writel(0xd0000000, K2_PCI32_BAR + TPMDLK);
__raw_writel(0x80000000, K2_PCI32_BAR + BIODLK);
__raw_writel(0x80100000, K2_PCI32_BAR + TIODLK);
__raw_writel(0xe0008000, K2_PCI32_BAR + DLKCTRL);
__raw_writel(0xffffffff, K2_PCI32_BAR + DLKDEV);
/* PCI64 mappings */
__raw_writel(0x00100000, K2_PCI64_BAR+PIBAR); /* PCI I/O base */
__raw_writel(0x10000000, K2_PCI64_BAR+PMBAR); /* PCI Mem base */
__raw_writel(0xf0000000, K2_PCI64_BAR+MSIZE); /* 256MB */
__raw_writel(0xfff00000, K2_PCI64_BAR+IOSIZE); /* 1MB */
__raw_writel(0xd0000000, K2_PCI64_BAR+SMBAR); /* Base@0xd0000000 */
__raw_writel(0x80100000, K2_PCI64_BAR+SIBAR); /* Base@0x80100000 */
__raw_writel(0x000000c0, K2_PCI64_BAR+PSSIZE); /* 1GB space */
__raw_writel(0x000000c0, K2_PCI64_BAR+PPSIZE); /* 1GB space */
__raw_writel(0x00000000, K2_PCI64_BAR+BARPS); /* Base@0x00000000 */
__raw_writel(0x00000000, K2_PCI64_BAR+BARPP); /* Base@0x00000000 */
__raw_writel(0x00100000, K2_PCI64_BAR + PIBAR); /* PCI I/O base */
__raw_writel(0x10000000, K2_PCI64_BAR + PMBAR); /* PCI Mem base */
__raw_writel(0xf0000000, K2_PCI64_BAR + MSIZE); /* 256MB */
__raw_writel(0xfff00000, K2_PCI64_BAR + IOSIZE); /* 1MB */
__raw_writel(0xd0000000, K2_PCI64_BAR + SMBAR); /* Base@0xd0000000 */
__raw_writel(0x80100000, K2_PCI64_BAR + SIBAR); /* Base@0x80100000 */
__raw_writel(0x000000c0, K2_PCI64_BAR + PSSIZE); /* 1GB space */
__raw_writel(0x000000c0, K2_PCI64_BAR + PPSIZE); /* 1GB space */
__raw_writel(0x00000000, K2_PCI64_BAR + BARPS); /* Base@0x00000000 */
__raw_writel(0x00000000, K2_PCI64_BAR + BARPP); /* Base@0x00000000 */
/* Setup PCI32 hose */
hose_a = pcibios_alloc_controller();
......@@ -185,14 +201,12 @@ void k2_setup_hoses(void)
pci_init_resource(&hose_a->io_resource,
K2_PCI32_LOWER_IO,
K2_PCI32_UPPER_IO,
IORESOURCE_IO,
"PCI32 host bridge");
IORESOURCE_IO, "PCI32 host bridge");
pci_init_resource(&hose_a->mem_resources[0],
K2_PCI32_LOWER_MEM + K2_PCI32_MEM_BASE,
K2_PCI32_UPPER_MEM + K2_PCI32_MEM_BASE,
IORESOURCE_MEM,
"PCI32 host bridge");
IORESOURCE_MEM, "PCI32 host bridge");
hose_a->io_space.start = K2_PCI32_LOWER_IO;
hose_a->io_space.end = K2_PCI32_UPPER_IO;
......@@ -206,74 +220,54 @@ void k2_setup_hoses(void)
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(0, 0),
CPC710_BUS_NUMBER,
hose_a->first_busno);
CPC710_BUS_NUMBER, hose_a->first_busno);
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(0, 0),
CPC710_SUB_BUS_NUMBER,
hose_a->last_busno);
CPC710_SUB_BUS_NUMBER, hose_a->last_busno);
/* Enable PCI interrupt polling */
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(8, 0),
0x45,
0x80);
PCI_DEVFN(8, 0), 0x45, 0x80);
/* Route polled PCI interrupts */
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(8, 0),
0x48,
0x58);
PCI_DEVFN(8, 0), 0x48, 0x58);
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(8, 0),
0x49,
0x07);
PCI_DEVFN(8, 0), 0x49, 0x07);
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(8, 0),
0x4a,
0x31);
PCI_DEVFN(8, 0), 0x4a, 0x31);
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(8, 0),
0x4b,
0xb9);
PCI_DEVFN(8, 0), 0x4b, 0xb9);
/* route secondary IDE channel interrupt to IRQ 15 */
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(8, 0),
0x75,
0x0f);
PCI_DEVFN(8, 0), 0x75, 0x0f);
/* enable IDE controller IDSEL */
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(8, 0),
0x58,
0x48);
PCI_DEVFN(8, 0), 0x58, 0x48);
/* Enable IDE function */
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(17, 0),
0x50,
0x03);
PCI_DEVFN(17, 0), 0x50, 0x03);
/* Set M5229 IDE controller to native mode */
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(17, 0),
PCI_CLASS_PROG,
0xdf);
PCI_DEVFN(17, 0), PCI_CLASS_PROG, 0xdf);
hose_a->last_busno = pciauto_bus_scan(hose_a, hose_a->first_busno);
......@@ -281,12 +275,10 @@ void k2_setup_hoses(void)
early_write_config_byte(hose_a,
hose_a->first_busno,
PCI_DEVFN(0, 0),
CPC710_SUB_BUS_NUMBER,
hose_a->last_busno);
CPC710_SUB_BUS_NUMBER, hose_a->last_busno);
/* Only setup PCI64 hose if we are in the system slot */
if (!(readb(K2_MISC_REG) & K2_SYS_SLOT_MASK))
{
if (!(readb(K2_MISC_REG) & K2_SYS_SLOT_MASK)) {
/* Setup PCI64 hose */
hose_b = pcibios_alloc_controller();
if (!hose_b)
......@@ -301,14 +293,12 @@ void k2_setup_hoses(void)
pci_init_resource(&hose_b->io_resource,
K2_PCI64_LOWER_IO,
K2_PCI64_UPPER_IO,
IORESOURCE_IO,
"PCI64 host bridge");
IORESOURCE_IO, "PCI64 host bridge");
pci_init_resource(&hose_b->mem_resources[0],
K2_PCI64_LOWER_MEM + K2_PCI32_MEM_BASE,
K2_PCI64_UPPER_MEM + K2_PCI32_MEM_BASE,
IORESOURCE_MEM,
"PCI64 host bridge");
IORESOURCE_MEM, "PCI64 host bridge");
hose_b->io_space.start = K2_PCI64_LOWER_IO;
hose_b->io_space.end = K2_PCI64_UPPER_IO;
......@@ -317,21 +307,18 @@ void k2_setup_hoses(void)
hose_b->io_base_virt = (void *)K2_ISA_IO_BASE;
setup_indirect_pci(hose_b,
K2_PCI64_CONFIG_ADDR,
K2_PCI64_CONFIG_DATA);
K2_PCI64_CONFIG_ADDR, K2_PCI64_CONFIG_DATA);
/* Initialize PCI64 bus registers */
early_write_config_byte(hose_b,
0,
PCI_DEVFN(0, 0),
CPC710_SUB_BUS_NUMBER,
0xff);
CPC710_SUB_BUS_NUMBER, 0xff);
early_write_config_byte(hose_b,
0,
PCI_DEVFN(0, 0),
CPC710_BUS_NUMBER,
hose_b->first_busno);
CPC710_BUS_NUMBER, hose_b->first_busno);
hose_b->last_busno = pciauto_bus_scan(hose_b,
hose_b->first_busno);
......@@ -369,3 +356,261 @@ void k2_setup_hoses(void)
ppc_md.pci_swizzle = common_swizzle;
ppc_md.pci_map_irq = k2_map_irq;
}
static int k2_get_bus_speed(void)
{
int bus_speed;
unsigned char board_id;
board_id = *(unsigned char *)K2_BOARD_ID_REG;
switch (K2_BUS_SPD(board_id)) {
case 0:
default:
bus_speed = 100000000;
break;
case 1:
bus_speed = 83333333;
break;
case 2:
bus_speed = 75000000;
break;
case 3:
bus_speed = 66666666;
break;
}
return bus_speed;
}
static int k2_get_cpu_speed(void)
{
unsigned long hid1;
int cpu_speed;
hid1 = mfspr(HID1) >> 28;
if ((mfspr(PVR) >> 16) == 8)
hid1 = cpu_7xx[hid1];
else
hid1 = cpu_6xx[hid1];
cpu_speed = k2_get_bus_speed() * hid1 / 2;
return cpu_speed;
}
static void __init k2_calibrate_decr(void)
{
int freq, divisor = 4;
/* determine processor bus speed */
freq = k2_get_bus_speed();
tb_ticks_per_jiffy = freq / HZ / divisor;
tb_to_us = mulhwu_scale_factor(freq / divisor, 1000000);
}
static int k2_show_cpuinfo(struct seq_file *m)
{
unsigned char k2_geo_bits, k2_system_slot;
seq_printf(m, "vendor\t\t: SBS\n");
seq_printf(m, "machine\t\t: K2\n");
seq_printf(m, "cpu speed\t: %dMhz\n", k2_get_cpu_speed() / 1000000);
seq_printf(m, "bus speed\t: %dMhz\n", k2_get_bus_speed() / 1000000);
seq_printf(m, "memory type\t: SDRAM\n");
k2_geo_bits = readb(K2_MSIZ_GEO_REG) & K2_GEO_ADR_MASK;
k2_system_slot = !(readb(K2_MISC_REG) & K2_SYS_SLOT_MASK);
seq_printf(m, "backplane\t: %s slot board",
k2_system_slot ? "System" : "Non system");
seq_printf(m, "with geographical address %x\n", k2_geo_bits);
return 0;
}
TODC_ALLOC();
static void __init k2_setup_arch(void)
{
unsigned int cpu;
/* Setup TODC access */
TODC_INIT(TODC_TYPE_MK48T37, 0, 0,
ioremap(K2_RTC_BASE_ADDRESS, K2_RTC_SIZE), 8);
/* init to some ~sane value until calibrate_delay() runs */
loops_per_jiffy = 50000000 / HZ;
/* make FLASH transactions higher priority than PCI to avoid deadlock */
__raw_writel(__raw_readl(SIOC1) | 0x80000000, SIOC1);
/* Set hardware to access FLASH page 2 */
__raw_writel(1 << 29, GPOUT);
/* Setup PCI host bridges */
k2_setup_hoses();
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start)
ROOT_DEV = Root_RAM0;
else
#endif
#ifdef CONFIG_ROOT_NFS
ROOT_DEV = Root_NFS;
#else
ROOT_DEV = Root_HDC1;
#endif
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
#endif
/* Identify the system */
printk(KERN_INFO "System Identification: SBS K2 - PowerPC 750 @ "
"%d Mhz\n", k2_get_cpu_speed() / 1000000);
printk(KERN_INFO "Port by MontaVista Software, Inc. "
"(source@mvista.com)\n");
/* Identify the CPU manufacturer */
cpu = PVR_REV(mfspr(PVR));
printk(KERN_INFO "CPU manufacturer: %s [rev=%04x]\n",
(cpu & (1 << 15)) ? "IBM" : "Motorola", cpu);
}
static void k2_restart(char *cmd)
{
local_irq_disable();
/* Flip FLASH back to page 1 to access firmware image */
__raw_writel(0, GPOUT);
/* SRR0 has system reset vector, SRR1 has default MSR value */
/* rfi restores MSR from SRR1 and sets the PC to the SRR0 value */
mtspr(SRR0, 0xfff00100);
mtspr(SRR1, 0);
__asm__ __volatile__("rfi\n\t");
/* not reached */
for (;;) ;
}
static void k2_power_off(void)
{
for (;;) ;
}
static void k2_halt(void)
{
k2_restart(NULL);
}
/*
* Set BAT 3 to map PCI32 I/O space.
*/
static __inline__ void k2_set_bat(void)
{
/* wait for all outstanding memory accesses to complete */
mb();
/* setup DBATs */
mtspr(DBAT2U, 0x80001ffe);
mtspr(DBAT2L, 0x8000002a);
mtspr(DBAT3U, 0xf0001ffe);
mtspr(DBAT3L, 0xf000002a);
/* wait for updates */
mb();
}
static unsigned long __init k2_find_end_of_memory(void)
{
unsigned long total;
unsigned char msize = 7; /* Default to 128MB */
msize = K2_MEM_SIZE(readb(K2_MSIZ_GEO_REG));
switch (msize) {
case 2:
/*
* This will break without a lowered
* KERNELBASE or CONFIG_HIGHMEM on.
* It seems non 1GB builds exist yet,
* though.
*/
total = K2_MEM_SIZE_1GB;
break;
case 3:
case 4:
total = K2_MEM_SIZE_512MB;
break;
case 5:
case 6:
total = K2_MEM_SIZE_256MB;
break;
case 7:
total = K2_MEM_SIZE_128MB;
break;
default:
printk
("K2: Invalid memory size detected, defaulting to 128MB\n");
total = K2_MEM_SIZE_128MB;
break;
}
return total;
}
static void __init k2_map_io(void)
{
io_block_mapping(K2_PCI32_IO_BASE,
K2_PCI32_IO_BASE, 0x00200000, _PAGE_IO);
io_block_mapping(0xff000000, 0xff000000, 0x01000000, _PAGE_IO);
}
static void __init k2_init_irq(void)
{
int i;
for (i = 0; i < 16; i++)
irq_desc[i].handler = &i8259_pic;
i8259_init(0);
}
void __init platform_init(unsigned long r3, unsigned long r4,
unsigned long r5, unsigned long r6, unsigned long r7)
{
parse_bootinfo((struct bi_record *)(r3 + KERNELBASE));
k2_set_bat();
isa_io_base = K2_ISA_IO_BASE;
isa_mem_base = K2_ISA_MEM_BASE;
pci_dram_offset = K2_PCI32_SYS_MEM_BASE;
ppc_md.setup_arch = k2_setup_arch;
ppc_md.show_cpuinfo = k2_show_cpuinfo;
ppc_md.init_IRQ = k2_init_irq;
ppc_md.get_irq = i8259_irq;
ppc_md.find_end_of_memory = k2_find_end_of_memory;
ppc_md.setup_io_mappings = k2_map_io;
ppc_md.restart = k2_restart;
ppc_md.power_off = k2_power_off;
ppc_md.halt = k2_halt;
ppc_md.time_init = todc_time_init;
ppc_md.set_rtc_time = todc_set_rtc_time;
ppc_md.get_rtc_time = todc_get_rtc_time;
ppc_md.calibrate_decr = k2_calibrate_decr;
ppc_md.nvram_read_val = todc_direct_read_val;
ppc_md.nvram_write_val = todc_direct_write_val;
#ifdef CONFIG_SERIAL_TEXT_DEBUG
ppc_md.progress = gen550_progress;
#endif
}
/*
* arch/ppc/platforms/k2_setup.c
*
* Board setup routines for SBS K2
*
* Author: Matt Porter <mporter@mvista.com>
*
* 2001 (c) MontaVista, Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#include <linux/config.h>
#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/kdev_t.h>
#include <linux/types.h>
#include <linux/major.h>
#include <linux/initrd.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/ide.h>
#include <linux/irq.h>
#include <linux/seq_file.h>
#include <linux/root_dev.h>
#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/dma.h>
#include <asm/io.h>
#include <asm/machdep.h>
#include <asm/time.h>
#include <asm/i8259.h>
#include <asm/todc.h>
#include <asm/bootinfo.h>
#include "k2.h"
extern void k2_setup_hoses(void);
extern unsigned long loops_per_jiffy;
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
};
#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
/* IDE functions */
static void __init
k2_ide_init_hwif_ports (hw_regs_t *hw, unsigned long data_port,
unsigned long ctrl_port, int *irq)
{
unsigned long reg = data_port;
int i = 8;
for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
hw->io_ports[i] = reg;
reg += 1;
}
if (ctrl_port)
hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;
else
hw->io_ports[IDE_CONTROL_OFFSET] =
hw->io_ports[IDE_DATA_OFFSET] + 0x206;
if (irq != NULL)
*irq = 0;
}
#endif
static int
k2_get_bus_speed(void)
{
int bus_speed;
unsigned char board_id;
board_id = *(unsigned char *)K2_BOARD_ID_REG;
switch( K2_BUS_SPD(board_id) ) {
case 0:
default:
bus_speed = 100000000;
break;
case 1:
bus_speed = 83333333;
break;
case 2:
bus_speed = 75000000;
break;
case 3:
bus_speed = 66666666;
break;
}
return bus_speed;
}
static int
k2_get_cpu_speed(void)
{
unsigned long hid1;
int cpu_speed;
hid1 = mfspr(HID1) >> 28;
if ((mfspr(PVR) >> 16) == 8)
hid1 = cpu_7xx[hid1];
else
hid1 = cpu_6xx[hid1];
cpu_speed = k2_get_bus_speed()*hid1/2;
return cpu_speed;
}
static void __init
k2_calibrate_decr(void)
{
int freq, divisor = 4;
/* determine processor bus speed */
freq = k2_get_bus_speed();
tb_ticks_per_jiffy = freq / HZ / divisor;
tb_to_us = mulhwu_scale_factor(freq/divisor, 1000000);
}
static int
k2_show_cpuinfo(struct seq_file *m)
{
unsigned char k2_geo_bits, k2_system_slot;
seq_printf(m, "vendor\t\t: SBS\n");
seq_printf(m, "machine\t\t: K2\n");
seq_printf(m, "cpu speed\t: %dMhz\n", k2_get_cpu_speed()/1000000);
seq_printf(m, "bus speed\t: %dMhz\n", k2_get_bus_speed()/1000000);
seq_printf(m, "memory type\t: SDRAM\n");
k2_geo_bits = readb(K2_MSIZ_GEO_REG) & K2_GEO_ADR_MASK;
k2_system_slot = !(readb(K2_MISC_REG) & K2_SYS_SLOT_MASK);
seq_printf(m, "backplane\t: %s slot board",
k2_system_slot ? "System" : "Non system");
seq_printf(m, "with geographical address %x\n", k2_geo_bits);
return 0;
}
extern char cmd_line[];
TODC_ALLOC();
static void __init
k2_setup_arch(void)
{
unsigned int cpu;
/* Setup TODC access */
TODC_INIT(TODC_TYPE_MK48T37, 0, 0,
ioremap(K2_RTC_BASE_ADDRESS, K2_RTC_SIZE),
8);
/* init to some ~sane value until calibrate_delay() runs */
loops_per_jiffy = 50000000/HZ;
/* Setup PCI host bridges */
k2_setup_hoses();
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start)
ROOT_DEV = Root_RAM0;
else
#endif
#ifdef CONFIG_ROOT_NFS
ROOT_DEV = Root_NFS;
#else
ROOT_DEV = Root_HDC1;
#endif
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
#endif
/* Identify the system */
printk("System Identification: SBS K2 - PowerPC 750 @ %d Mhz\n", k2_get_cpu_speed()/1000000);
printk("SBS K2 port (C) 2001 MontaVista Software, Inc. (source@mvista.com)\n");
/* Identify the CPU manufacturer */
cpu = PVR_REV(mfspr(PVR));
printk("CPU manufacturer: %s [rev=%04x]\n", (cpu & (1<<15)) ? "IBM" :
"Motorola", cpu);
}
static void
k2_restart(char *cmd)
{
local_irq_disable();
/* SRR0 has system reset vector, SRR1 has default MSR value */
/* rfi restores MSR from SRR1 and sets the PC to the SRR0 value */
__asm__ __volatile__
("lis 3,0xfff0\n\t"
"ori 3,3,0x0100\n\t"
"mtspr 26,3\n\t"
"li 3,0\n\t"
"mtspr 27,3\n\t"
"rfi\n\t");
for(;;);
}
static void
k2_power_off(void)
{
for(;;);
}
static void
k2_halt(void)
{
k2_restart(NULL);
}
/*
* Set BAT 3 to map PCI32 I/O space.
*/
static __inline__ void
k2_set_bat(void)
{
unsigned long bat3u, bat3l;
static int mapping_set = 0;
if (!mapping_set)
{
__asm__ __volatile__
("lis %0,0x8000\n\t"
"ori %1,%0,0x002a\n\t"
"ori %0,%0,0x1ffe\n\t"
"mtspr 0x21e,%0\n\t"
"mtspr 0x21f,%1\n\t"
"isync\n\t"
"sync\n\t"
: "=r" (bat3u), "=r" (bat3l));
mapping_set = 1;
}
return;
}
static unsigned long __init
k2_find_end_of_memory(void)
{
unsigned long total;
unsigned char msize = 7; /* Default to 128MB */
k2_set_bat();
msize = K2_MEM_SIZE(readb(K2_MSIZ_GEO_REG));
switch (msize)
{
case 2:
/*
* This will break without a lowered
* KERNELBASE or CONFIG_HIGHMEM on.
* It seems non 1GB builds exist yet,
* though.
*/
total = K2_MEM_SIZE_1GB;
break;
case 3:
case 4:
total = K2_MEM_SIZE_512MB;
break;
case 5:
case 6:
total = K2_MEM_SIZE_256MB;
break;
case 7:
total = K2_MEM_SIZE_128MB;
break;
default:
printk("K2: Invalid memory size detected, defaulting to 128MB\n");
total = K2_MEM_SIZE_128MB;
break;
}
return total;
}
static void __init
k2_map_io(void)
{
io_block_mapping(K2_PCI32_IO_BASE,
K2_PCI32_IO_BASE,
0x00200000,
_PAGE_IO);
io_block_mapping(0xff000000,
0xff000000,
0x01000000,
_PAGE_IO);
}
static void __init
k2_init_irq(void)
{
int i;
for ( i = 0 ; i < 16 ; i++ )
irq_desc[i].handler = &i8259_pic;
i8259_init(NULL);
}
void __init platform_init(unsigned long r3, unsigned long r4,
unsigned long r5, unsigned long r6, unsigned long r7)
{
parse_bootinfo((struct bi_record *) (r3 + KERNELBASE));
isa_io_base = K2_ISA_IO_BASE;
isa_mem_base = K2_ISA_MEM_BASE;
pci_dram_offset = K2_PCI32_SYS_MEM_BASE;
ppc_md.setup_arch = k2_setup_arch;
ppc_md.show_cpuinfo = k2_show_cpuinfo;
ppc_md.init_IRQ = k2_init_irq;
ppc_md.get_irq = i8259_irq;
ppc_md.find_end_of_memory = k2_find_end_of_memory;
ppc_md.setup_io_mappings = k2_map_io;
ppc_md.restart = k2_restart;
ppc_md.power_off = k2_power_off;
ppc_md.halt = k2_halt;
ppc_md.time_init = todc_time_init;
ppc_md.set_rtc_time = todc_set_rtc_time;
ppc_md.get_rtc_time = todc_get_rtc_time;
ppc_md.calibrate_decr = k2_calibrate_decr;
ppc_md.nvram_read_val = todc_direct_read_val;
ppc_md.nvram_write_val = todc_direct_write_val;
#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
ppc_ide_md.ide_init_hwif = k2_ide_init_hwif_ports;
#endif
}
......@@ -26,8 +26,10 @@
#define ERRC 0xff001050
#define SESR 0xff001060
#define SEAR 0xff001070
#define SIOC1 0xff001090
#define PGCHP 0xff001100
#define GPDIR 0xff001130
#define GPOUT 0xff001150
#define ATAS 0xff001160
#define AVDG 0xff001170
#define MCCR 0xff001200
......
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