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authorDavid Woodhouse <dwmw2@shinybook.infradead.org>2005-06-02 16:39:11 +0100
committerDavid Woodhouse <dwmw2@shinybook.infradead.org>2005-06-02 16:39:11 +0100
commit1c3f45ab2f7f879ea482501c83899505c31f7539 (patch)
tree672465b3b9b3e2e26a8caf74ed64aa6885c52c13 /arch/ppc
parent4bcff1b37e7c3aed914d1ce5b45994adc7dbf455 (diff)
parente0d6d71440a3a35c6fc2dde09f8e8d4d7bd44dda (diff)
Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'arch/ppc')
-rw-r--r--arch/ppc/Kconfig4
-rw-r--r--arch/ppc/boot/images/Makefile3
-rw-r--r--arch/ppc/configs/mpc8555_cds_defconfig117
-rw-r--r--arch/ppc/kernel/head_44x.S15
-rw-r--r--arch/ppc/kernel/head_fsl_booke.S15
-rw-r--r--arch/ppc/kernel/setup.c2
-rw-r--r--arch/ppc/kernel/traps.c7
-rw-r--r--arch/ppc/lib/string.S7
-rw-r--r--arch/ppc/mm/init.c1
-rw-r--r--arch/ppc/platforms/83xx/mpc834x_sys.c1
-rw-r--r--arch/ppc/platforms/83xx/mpc834x_sys.h7
-rw-r--r--arch/ppc/platforms/85xx/mpc8540_ads.c3
-rw-r--r--arch/ppc/platforms/85xx/mpc85xx_cds_common.c143
-rw-r--r--arch/ppc/platforms/85xx/mpc85xx_cds_common.h3
-rw-r--r--arch/ppc/platforms/85xx/sbc8560.c3
-rw-r--r--arch/ppc/platforms/pmac_cpufreq.c36
-rw-r--r--arch/ppc/platforms/pq2ads.h41
-rw-r--r--arch/ppc/syslib/Makefile4
-rw-r--r--arch/ppc/syslib/ipic.c2
-rw-r--r--arch/ppc/syslib/m8260_pci.c193
-rw-r--r--arch/ppc/syslib/m8260_pci.h76
-rw-r--r--arch/ppc/syslib/m8260_pci_erratum9.c10
-rw-r--r--arch/ppc/syslib/m8260_setup.c11
-rw-r--r--arch/ppc/syslib/m82xx_pci.c383
-rw-r--r--arch/ppc/syslib/m82xx_pci.h92
-rw-r--r--arch/ppc/syslib/mpc83xx_devices.c1
-rw-r--r--arch/ppc/syslib/mpc85xx_devices.c1
-rw-r--r--arch/ppc/syslib/open_pic.c6
-rw-r--r--arch/ppc/syslib/ppc83xx_setup.c28
-rw-r--r--arch/ppc/syslib/ppc85xx_setup.c16
-rw-r--r--arch/ppc/syslib/prom_init.c10
31 files changed, 872 insertions, 369 deletions
diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig
index cd752a3cf3b..54ce6da2264 100644
--- a/arch/ppc/Kconfig
+++ b/arch/ppc/Kconfig
@@ -1160,12 +1160,12 @@ config PCI_QSPAN
config PCI_8260
bool
- depends on PCI && 8260 && !8272
+ depends on PCI && 8260
default y
config 8260_PCI9
bool " Enable workaround for MPC826x erratum PCI 9"
- depends on PCI_8260
+ depends on PCI_8260 && !ADS8272
default y
choice
diff --git a/arch/ppc/boot/images/Makefile b/arch/ppc/boot/images/Makefile
index f850fb0fb51..c9ac5f5fa9e 100644
--- a/arch/ppc/boot/images/Makefile
+++ b/arch/ppc/boot/images/Makefile
@@ -22,7 +22,8 @@ targets += uImage
$(obj)/uImage: $(obj)/vmlinux.gz
$(Q)rm -f $@
$(call if_changed,uimage)
- @echo ' Image: $@' $(if $(wildcard $@),'is ready','not made')
+ @echo -n ' Image: $@ '
+ @if [ -f $@ ]; then echo 'is ready' ; else echo 'not made'; fi
# Files generated that shall be removed upon make clean
clean-files := sImage vmapus vmlinux* miboot* zImage* uImage
diff --git a/arch/ppc/configs/mpc8555_cds_defconfig b/arch/ppc/configs/mpc8555_cds_defconfig
index 728bd9e1a8f..15abebf46b9 100644
--- a/arch/ppc/configs/mpc8555_cds_defconfig
+++ b/arch/ppc/configs/mpc8555_cds_defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.11-rc1
-# Thu Jan 20 01:25:35 2005
+# Linux kernel version: 2.6.12-rc4
+# Tue May 17 11:56:01 2005
#
CONFIG_MMU=y
CONFIG_GENERIC_HARDIRQS=y
@@ -11,6 +11,7 @@ CONFIG_HAVE_DEC_LOCK=y
CONFIG_PPC=y
CONFIG_PPC32=y
CONFIG_GENERIC_NVRAM=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
#
# Code maturity level options
@@ -18,6 +19,7 @@ CONFIG_GENERIC_NVRAM=y
CONFIG_EXPERIMENTAL=y
CONFIG_CLEAN_COMPILE=y
CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
#
# General setup
@@ -29,12 +31,14 @@ CONFIG_SYSVIPC=y
# CONFIG_BSD_PROCESS_ACCT is not set
CONFIG_SYSCTL=y
# CONFIG_AUDIT is not set
-CONFIG_LOG_BUF_SHIFT=14
# CONFIG_HOTPLUG is not set
CONFIG_KOBJECT_UEVENT=y
# CONFIG_IKCONFIG is not set
CONFIG_EMBEDDED=y
# CONFIG_KALLSYMS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
# CONFIG_EPOLL is not set
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
@@ -44,6 +48,7 @@ CONFIG_CC_ALIGN_LABELS=0
CONFIG_CC_ALIGN_LOOPS=0
CONFIG_CC_ALIGN_JUMPS=0
# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
#
# Loadable module support
@@ -62,10 +67,12 @@ CONFIG_CC_ALIGN_JUMPS=0
CONFIG_E500=y
CONFIG_BOOKE=y
CONFIG_FSL_BOOKE=y
+# CONFIG_PHYS_64BIT is not set
CONFIG_SPE=y
CONFIG_MATH_EMULATION=y
# CONFIG_CPU_FREQ is not set
CONFIG_PPC_GEN550=y
+# CONFIG_PM is not set
CONFIG_85xx=y
CONFIG_PPC_INDIRECT_PCI_BE=y
@@ -76,6 +83,7 @@ CONFIG_PPC_INDIRECT_PCI_BE=y
CONFIG_MPC8555_CDS=y
# CONFIG_MPC8560_ADS is not set
# CONFIG_SBC8560 is not set
+# CONFIG_STX_GP3 is not set
CONFIG_MPC8555=y
CONFIG_85xx_PCI2=y
@@ -90,6 +98,7 @@ CONFIG_CPM2=y
CONFIG_BINFMT_ELF=y
# CONFIG_BINFMT_MISC is not set
# CONFIG_CMDLINE_BOOL is not set
+CONFIG_ISA_DMA_API=y
#
# Bus options
@@ -105,10 +114,6 @@ CONFIG_PCI_NAMES=y
# CONFIG_PCCARD is not set
#
-# PC-card bridges
-#
-
-#
# Advanced setup
#
# CONFIG_ADVANCED_OPTIONS is not set
@@ -180,7 +185,59 @@ CONFIG_IOSCHED_CFQ=y
#
# ATA/ATAPI/MFM/RLL support
#
-# CONFIG_IDE is not set
+CONFIG_IDE=y
+CONFIG_BLK_DEV_IDE=y
+
+#
+# Please see Documentation/ide.txt for help/info on IDE drives
+#
+# CONFIG_BLK_DEV_IDE_SATA is not set
+CONFIG_BLK_DEV_IDEDISK=y
+# CONFIG_IDEDISK_MULTI_MODE 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
+
+#
+# IDE chipset support/bugfixes
+#
+CONFIG_IDE_GENERIC=y
+CONFIG_BLK_DEV_IDEPCI=y
+CONFIG_IDEPCI_SHARE_IRQ=y
+# CONFIG_BLK_DEV_OFFBOARD is not set
+CONFIG_BLK_DEV_GENERIC=y
+# 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=y
+# CONFIG_IDEDMA_ONLYDISK is not set
+# CONFIG_BLK_DEV_AEC62XX is not set
+# CONFIG_BLK_DEV_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=y
+# CONFIG_IDE_ARM is not set
+CONFIG_BLK_DEV_IDEDMA=y
+# CONFIG_IDEDMA_IVB is not set
+CONFIG_IDEDMA_AUTO=y
+# CONFIG_BLK_DEV_HD is not set
#
# SCSI device support
@@ -220,7 +277,6 @@ CONFIG_NET=y
#
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
-# CONFIG_NETLINK_DEV is not set
CONFIG_UNIX=y
# CONFIG_NET_KEY is not set
CONFIG_INET=y
@@ -370,14 +426,6 @@ CONFIG_INPUT=y
# CONFIG_INPUT_EVBUG is not set
#
-# Input I/O drivers
-#
-# CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
-# CONFIG_SERIO is not set
-# CONFIG_SERIO_I8042 is not set
-
-#
# Input Device Drivers
#
# CONFIG_INPUT_KEYBOARD is not set
@@ -387,6 +435,13 @@ CONFIG_SOUND_GAMEPORT=y
# CONFIG_INPUT_MISC is not set
#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+CONFIG_SOUND_GAMEPORT=y
+
+#
# Character devices
#
# CONFIG_VT is not set
@@ -406,6 +461,7 @@ CONFIG_SERIAL_8250_NR_UARTS=4
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_CPM is not set
+# CONFIG_SERIAL_JSM is not set
CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
@@ -434,6 +490,11 @@ CONFIG_GEN_RTC=y
# CONFIG_RAW_DRIVER is not set
#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
+
+#
# I2C support
#
CONFIG_I2C=y
@@ -456,11 +517,11 @@ CONFIG_I2C_CHARDEV=y
# CONFIG_I2C_AMD8111 is not set
# CONFIG_I2C_I801 is not set
# CONFIG_I2C_I810 is not set
+# CONFIG_I2C_PIIX4 is not set
# CONFIG_I2C_ISA is not set
CONFIG_I2C_MPC=y
# CONFIG_I2C_NFORCE2 is not set
# CONFIG_I2C_PARPORT_LIGHT is not set
-# CONFIG_I2C_PIIX4 is not set
# CONFIG_I2C_PROSAVAGE is not set
# CONFIG_I2C_SAVAGE4 is not set
# CONFIG_SCx200_ACB is not set
@@ -483,7 +544,9 @@ CONFIG_I2C_MPC=y
# CONFIG_SENSORS_ASB100 is not set
# CONFIG_SENSORS_DS1621 is not set
# CONFIG_SENSORS_FSCHER is not set
+# CONFIG_SENSORS_FSCPOS is not set
# CONFIG_SENSORS_GL518SM is not set
+# CONFIG_SENSORS_GL520SM is not set
# CONFIG_SENSORS_IT87 is not set
# CONFIG_SENSORS_LM63 is not set
# CONFIG_SENSORS_LM75 is not set
@@ -494,9 +557,11 @@ CONFIG_I2C_MPC=y
# CONFIG_SENSORS_LM85 is not set
# CONFIG_SENSORS_LM87 is not set
# CONFIG_SENSORS_LM90 is not set
+# CONFIG_SENSORS_LM92 is not set
# CONFIG_SENSORS_MAX1619 is not set
# CONFIG_SENSORS_PC87360 is not set
# CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_SIS5595 is not set
# CONFIG_SENSORS_SMSC47M1 is not set
# CONFIG_SENSORS_VIA686A is not set
# CONFIG_SENSORS_W83781D is not set
@@ -506,10 +571,12 @@ CONFIG_I2C_MPC=y
#
# Other I2C Chip support
#
+# CONFIG_SENSORS_DS1337 is not set
# CONFIG_SENSORS_EEPROM is not set
# CONFIG_SENSORS_PCF8574 is not set
# CONFIG_SENSORS_PCF8591 is not set
# CONFIG_SENSORS_RTC8564 is not set
+# CONFIG_SENSORS_M41T00 is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
@@ -538,7 +605,6 @@ CONFIG_I2C_MPC=y
# Graphics support
#
# CONFIG_FB is not set
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
#
# Sound
@@ -548,13 +614,9 @@ CONFIG_I2C_MPC=y
#
# USB support
#
-# CONFIG_USB is not set
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB_ARCH_HAS_OHCI=y
-
-#
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information
-#
+# CONFIG_USB is not set
#
# USB Gadget Support
@@ -585,6 +647,10 @@ CONFIG_JBD=y
CONFIG_FS_MBCACHE=y
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
+
+#
+# XFS support
+#
# CONFIG_XFS_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_ROMFS_FS is not set
@@ -646,7 +712,6 @@ CONFIG_NFS_FS=y
# CONFIG_NFSD is not set
CONFIG_ROOT_NFS=y
CONFIG_LOCKD=y
-# CONFIG_EXPORTFS is not set
CONFIG_SUNRPC=y
# CONFIG_RPCSEC_GSS_KRB5 is not set
# CONFIG_RPCSEC_GSS_SPKM3 is not set
@@ -698,7 +763,9 @@ CONFIG_CRC32=y
#
# Kernel hacking
#
+# CONFIG_PRINTK_TIME is not set
# CONFIG_DEBUG_KERNEL is not set
+CONFIG_LOG_BUF_SHIFT=14
# CONFIG_KGDB_CONSOLE is not set
# CONFIG_SERIAL_TEXT_DEBUG is not set
diff --git a/arch/ppc/kernel/head_44x.S b/arch/ppc/kernel/head_44x.S
index 9b6a8e51365..6c7ae605246 100644
--- a/arch/ppc/kernel/head_44x.S
+++ b/arch/ppc/kernel/head_44x.S
@@ -330,8 +330,9 @@ interrupt_base:
/* If we are faulting a kernel address, we have to use the
* kernel page tables.
*/
- andis. r11, r10, 0x8000
- beq 3f
+ lis r11, TASK_SIZE@h
+ cmplw r10, r11
+ blt+ 3f
lis r11, swapper_pg_dir@h
ori r11, r11, swapper_pg_dir@l
@@ -464,8 +465,9 @@ interrupt_base:
/* If we are faulting a kernel address, we have to use the
* kernel page tables.
*/
- andis. r11, r10, 0x8000
- beq 3f
+ lis r11, TASK_SIZE@h
+ cmplw r10, r11
+ blt+ 3f
lis r11, swapper_pg_dir@h
ori r11, r11, swapper_pg_dir@l
@@ -533,8 +535,9 @@ interrupt_base:
/* If we are faulting a kernel address, we have to use the
* kernel page tables.
*/
- andis. r11, r10, 0x8000
- beq 3f
+ lis r11, TASK_SIZE@h
+ cmplw r10, r11
+ blt+ 3f
lis r11, swapper_pg_dir@h
ori r11, r11, swapper_pg_dir@l
diff --git a/arch/ppc/kernel/head_fsl_booke.S b/arch/ppc/kernel/head_fsl_booke.S
index f22ddce3613..ce36e88ba62 100644
--- a/arch/ppc/kernel/head_fsl_booke.S
+++ b/arch/ppc/kernel/head_fsl_booke.S
@@ -232,7 +232,8 @@ skpinv: addi r6,r6,1 /* Increment */
tlbwe
/* 7. Jump to KERNELBASE mapping */
- li r7,0
+ lis r7,MSR_KERNEL@h
+ ori r7,r7,MSR_KERNEL@l
bl 1f /* Find our address */
1: mflr r9
rlwimi r6,r9,0,20,31
@@ -293,6 +294,18 @@ skpinv: addi r6,r6,1 /* Increment */
mtspr SPRN_HID0, r2
#endif
+#if !defined(CONFIG_BDI_SWITCH)
+ /*
+ * The Abatron BDI JTAG debugger does not tolerate others
+ * mucking with the debug registers.
+ */
+ lis r2,DBCR0_IDM@h
+ mtspr SPRN_DBCR0,r2
+ /* clear any residual debug events */
+ li r2,-1
+ mtspr SPRN_DBSR,r2
+#endif
+
/*
* This is where the main kernel code starts.
*/
diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c
index 309797d7f96..5c20266e3b1 100644
--- a/arch/ppc/kernel/setup.c
+++ b/arch/ppc/kernel/setup.c
@@ -499,7 +499,7 @@ static int __init set_preferred_console(void)
{
struct device_node *prom_stdout;
char *name;
- int offset;
+ int offset = 0;
if (of_stdout_device == NULL)
return -ENODEV;
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index f8e7e324a17..c65731e8bc6 100644
--- a/arch/ppc/kernel/traps.c
+++ b/arch/ppc/kernel/traps.c
@@ -408,12 +408,7 @@ static int emulate_string_inst(struct pt_regs *regs, u32 instword)
/* Early out if we are an invalid form of lswx */
if ((instword & INST_STRING_MASK) == INST_LSWX)
- if ((rA >= rT) || (NB_RB >= rT) || (rT == rA) || (rT == NB_RB))
- return -EINVAL;
-
- /* Early out if we are an invalid form of lswi */
- if ((instword & INST_STRING_MASK) == INST_LSWI)
- if ((rA >= rT) || (rT == rA))
+ if ((rT == rA) || (rT == NB_RB))
return -EINVAL;
EA = (rA == 0) ? 0 : regs->gpr[rA];
diff --git a/arch/ppc/lib/string.S b/arch/ppc/lib/string.S
index 8d08a2eb225..36c9b97fd92 100644
--- a/arch/ppc/lib/string.S
+++ b/arch/ppc/lib/string.S
@@ -446,6 +446,7 @@ _GLOBAL(__copy_tofrom_user)
#ifdef CONFIG_8xx
/* Don't use prefetch on 8xx */
mtctr r0
+ li r0,0
53: COPY_16_BYTES_WITHEX(0)
bdnz 53b
@@ -564,7 +565,9 @@ _GLOBAL(__copy_tofrom_user)
/* or write fault in cacheline loop */
105: li r9,1
92: li r3,LG_CACHELINE_BYTES
- b 99f
+ mfctr r8
+ add r0,r0,r8
+ b 106f
/* read fault in final word loop */
108: li r9,0
b 93f
@@ -585,7 +588,7 @@ _GLOBAL(__copy_tofrom_user)
* r5 + (ctr << r3), and r9 is 0 for read or 1 for write.
*/
99: mfctr r0
- slw r3,r0,r3
+106: slw r3,r0,r3
add. r3,r3,r5
beq 120f /* shouldn't happen */
cmpwi 0,r9,0
diff --git a/arch/ppc/mm/init.c b/arch/ppc/mm/init.c
index be02a7fec2b..363c157e361 100644
--- a/arch/ppc/mm/init.c
+++ b/arch/ppc/mm/init.c
@@ -179,6 +179,7 @@ void free_initmem(void)
if (!have_of)
FREESEC(openfirmware);
printk("\n");
+ ppc_md.progress = NULL;
#undef FREESEC
}
diff --git a/arch/ppc/platforms/83xx/mpc834x_sys.c b/arch/ppc/platforms/83xx/mpc834x_sys.c
index b3b0f51979d..e6348b5a1dd 100644
--- a/arch/ppc/platforms/83xx/mpc834x_sys.c
+++ b/arch/ppc/platforms/83xx/mpc834x_sys.c
@@ -127,7 +127,6 @@ mpc834x_sys_map_io(void)
{
/* we steal the lowest ioremap addr for virt space */
io_block_mapping(VIRT_IMMRBAR, immrbar, 1024*1024, _PAGE_IO);
- io_block_mapping(BCSR_VIRT_ADDR, BCSR_PHYS_ADDR, BCSR_SIZE, _PAGE_IO);
}
int
diff --git a/arch/ppc/platforms/83xx/mpc834x_sys.h b/arch/ppc/platforms/83xx/mpc834x_sys.h
index f4d055ae19c..a2f6e49d715 100644
--- a/arch/ppc/platforms/83xx/mpc834x_sys.h
+++ b/arch/ppc/platforms/83xx/mpc834x_sys.h
@@ -26,9 +26,14 @@
#define VIRT_IMMRBAR ((uint)0xfe000000)
#define BCSR_PHYS_ADDR ((uint)0xf8000000)
-#define BCSR_VIRT_ADDR ((uint)0xfe100000)
#define BCSR_SIZE ((uint)(32 * 1024))
+#define BCSR_MISC_REG2_OFF 0x07
+#define BCSR_MISC_REG2_PORESET 0x01
+
+#define BCSR_MISC_REG3_OFF 0x08
+#define BCSR_MISC_REG3_CNFLOCK 0x80
+
#ifdef CONFIG_PCI
/* PCI interrupt controller */
#define PIRQA MPC83xx_IRQ_IRQ4
diff --git a/arch/ppc/platforms/85xx/mpc8540_ads.c b/arch/ppc/platforms/85xx/mpc8540_ads.c
index 4d857d6d633..583838ab02d 100644
--- a/arch/ppc/platforms/85xx/mpc8540_ads.c
+++ b/arch/ppc/platforms/85xx/mpc8540_ads.c
@@ -210,6 +210,9 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG)
ppc_md.progress = gen550_progress;
#endif /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */
+#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_KGDB)
+ ppc_md.early_serial_map = mpc85xx_early_serial_map;
+#endif /* CONFIG_SERIAL_8250 && CONFIG_KGDB */
if (ppc_md.progress)
ppc_md.progress("mpc8540ads_init(): exit", 0);
diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
index 6c020d67ad7..e7cfa498568 100644
--- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
+++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
@@ -44,6 +44,7 @@
#include <asm/machdep.h>
#include <asm/prom.h>
#include <asm/open_pic.h>
+#include <asm/i8259.h>
#include <asm/bootinfo.h>
#include <asm/pci-bridge.h>
#include <asm/mpc85xx.h>
@@ -181,6 +182,7 @@ void __init
mpc85xx_cds_init_IRQ(void)
{
bd_t *binfo = (bd_t *) __res;
+ int i;
/* Determine the Physical Address of the OpenPIC regs */
phys_addr_t OpenPIC_PAddr = binfo->bi_immr_base + MPC85xx_OPENPIC_OFFSET;
@@ -198,6 +200,15 @@ mpc85xx_cds_init_IRQ(void)
*/
openpic_init(MPC85xx_OPENPIC_IRQ_OFFSET);
+#ifdef CONFIG_PCI
+ openpic_hookup_cascade(PIRQ0A, "82c59 cascade", i8259_irq);
+
+ for (i = 0; i < NUM_8259_INTERRUPTS; i++)
+ irq_desc[i].handler = &i8259_pic;
+
+ i8259_init(0);
+#endif
+
#ifdef CONFIG_CPM2
/* Setup CPM2 PIC */
cpm2_init_IRQ();
@@ -231,7 +242,7 @@ mpc85xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
* interrupt on slot */
{
{ 0, 1, 2, 3 }, /* 16 - PMC */
- { 3, 0, 0, 0 }, /* 17 P2P (Tsi320) */
+ { 0, 1, 2, 3 }, /* 17 P2P (Tsi320) */
{ 0, 1, 2, 3 }, /* 18 - Slot 1 */
{ 1, 2, 3, 0 }, /* 19 - Slot 2 */
{ 2, 3, 0, 1 }, /* 20 - Slot 3 */
@@ -280,13 +291,135 @@ mpc85xx_exclude_device(u_char bus, u_char devfn)
return PCIBIOS_DEVICE_NOT_FOUND;
#endif
/* We explicitly do not go past the Tundra 320 Bridge */
- if (bus == 1)
+ if ((bus == 1) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL))
return PCIBIOS_DEVICE_NOT_FOUND;
if ((bus == 0) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL))
return PCIBIOS_DEVICE_NOT_FOUND;
else
return PCIBIOS_SUCCESSFUL;
}
+
+void __init
+mpc85xx_cds_enable_via(struct pci_controller *hose)
+{
+ u32 pci_class;
+ u16 vid, did;
+
+ early_read_config_dword(hose, 0, 0x88, PCI_CLASS_REVISION, &pci_class);
+ if ((pci_class >> 16) != PCI_CLASS_BRIDGE_PCI)
+ return;
+
+ /* Configure P2P so that we can reach bus 1 */
+ early_write_config_byte(hose, 0, 0x88, PCI_PRIMARY_BUS, 0);
+ early_write_config_byte(hose, 0, 0x88, PCI_SECONDARY_BUS, 1);
+ early_write_config_byte(hose, 0, 0x88, PCI_SUBORDINATE_BUS, 0xff);
+
+ early_read_config_word(hose, 1, 0x10, PCI_VENDOR_ID, &vid);
+ early_read_config_word(hose, 1, 0x10, PCI_DEVICE_ID, &did);
+
+ if ((vid != PCI_VENDOR_ID_VIA) ||
+ (did != PCI_DEVICE_ID_VIA_82C686))
+ return;
+
+ /* Enable USB and IDE functions */
+ early_write_config_byte(hose, 1, 0x10, 0x48, 0x08);
+}
+
+void __init
+mpc85xx_cds_fixup_via(struct pci_controller *hose)
+{
+ u32 pci_class;
+ u16 vid, did;
+
+ early_read_config_dword(hose, 0, 0x88, PCI_CLASS_REVISION, &pci_class);
+ if ((pci_class >> 16) != PCI_CLASS_BRIDGE_PCI)
+ return;
+
+ /*
+ * Force the backplane P2P bridge to have a window
+ * open from 0x00000000-0x00001fff in PCI I/O space.
+ * This allows legacy I/O (i8259, etc) on the VIA
+ * southbridge to be accessed.
+ */
+ early_write_config_byte(hose, 0, 0x88, PCI_IO_BASE, 0x00);
+ early_write_config_word(hose, 0, 0x88, PCI_IO_BASE_UPPER16, 0x0000);
+ early_write_config_byte(hose, 0, 0x88, PCI_IO_LIMIT, 0x10);
+ early_write_config_word(hose, 0, 0x88, PCI_IO_LIMIT_UPPER16, 0x0000);
+
+ early_read_config_word(hose, 1, 0x10, PCI_VENDOR_ID, &vid);
+ early_read_config_word(hose, 1, 0x10, PCI_DEVICE_ID, &did);
+ if ((vid != PCI_VENDOR_ID_VIA) ||
+ (did != PCI_DEVICE_ID_VIA_82C686))
+ return;
+
+ /*
+ * Since the P2P window was forced to cover the fixed
+ * legacy I/O addresses, it is necessary to manually
+ * place the base addresses for the IDE and USB functions
+ * within this window.
+ */
+ /* Function 1, IDE */
+ early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_0, 0x1ff8);
+ early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_1, 0x1ff4);
+ early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_2, 0x1fe8);
+ early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_3, 0x1fe4);
+ early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_4, 0x1fd0);
+
+ /* Function 2, USB ports 0-1 */
+ early_write_config_dword(hose, 1, 0x12, PCI_BASE_ADDRESS_4, 0x1fa0);
+
+ /* Function 3, USB ports 2-3 */
+ early_write_config_dword(hose, 1, 0x13, PCI_BASE_ADDRESS_4, 0x1f80);
+
+ /* Function 5, Power Management */
+ early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_0, 0x1e00);
+ early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_1, 0x1dfc);
+ early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_2, 0x1df8);
+
+ /* Function 6, AC97 Interface */
+ early_write_config_dword(hose, 1, 0x16, PCI_BASE_ADDRESS_0, 0x1c00);
+}
+
+void __init
+mpc85xx_cds_pcibios_fixup(void)
+{
+ struct pci_dev *dev = NULL;
+ u_char c;
+
+ if ((dev = pci_find_device(PCI_VENDOR_ID_VIA,
+ PCI_DEVICE_ID_VIA_82C586_1, NULL))) {
+ /*
+ * U-Boot does not set the enable bits
+ * for the IDE device. Force them on here.
+ */
+ pci_read_config_byte(dev, 0x40, &c);
+ c |= 0x03; /* IDE: Chip Enable Bits */
+ pci_write_config_byte(dev, 0x40, c);
+
+ /*
+ * Since only primary interface works, force the
+ * IDE function to standard primary IDE interrupt
+ * w/ 8259 offset
+ */
+ dev->irq = 14;
+ pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
+ }
+
+ /*
+ * Force legacy USB interrupt routing
+ */
+ if ((dev = pci_find_device(PCI_VENDOR_ID_VIA,
+ PCI_DEVICE_ID_VIA_82C586_2, NULL))) {
+ dev->irq = 10;
+ pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 10);
+ }
+
+ if ((dev = pci_find_device(PCI_VENDOR_ID_VIA,
+ PCI_DEVICE_ID_VIA_82C586_2, dev))) {
+ dev->irq = 11;
+ pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 11);
+ }
+}
#endif /* CONFIG_PCI */
TODC_ALLOC();
@@ -328,6 +461,9 @@ mpc85xx_cds_setup_arch(void)
loops_per_jiffy = freq / HZ;
#ifdef CONFIG_PCI
+ /* VIA IDE configuration */
+ ppc_md.pcibios_fixup = mpc85xx_cds_pcibios_fixup;
+
/* setup PCI host bridges */
mpc85xx_setup_hose();
#endif
@@ -459,6 +595,9 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG)
ppc_md.progress = gen550_progress;
#endif /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */
+#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_KGDB)
+ ppc_md.early_serial_map = mpc85xx_early_serial_map;
+#endif /* CONFIG_SERIAL_8250 && CONFIG_KGDB */
if (ppc_md.progress)
ppc_md.progress("mpc85xx_cds_init(): exit", 0);
diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.h b/arch/ppc/platforms/85xx/mpc85xx_cds_common.h
index 7627d77504b..12b292c6ae3 100644
--- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.h
+++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.h
@@ -77,4 +77,7 @@
#define MPC85XX_PCI2_IO_SIZE 0x01000000
+#define NR_8259_INTS 16
+#define CPM_IRQ_OFFSET NR_8259_INTS
+
#endif /* __MACH_MPC85XX_CDS_H__ */
diff --git a/arch/ppc/platforms/85xx/sbc8560.c b/arch/ppc/platforms/85xx/sbc8560.c
index 9ab05e590c3..7b9e1543e17 100644
--- a/arch/ppc/platforms/85xx/sbc8560.c
+++ b/arch/ppc/platforms/85xx/sbc8560.c
@@ -221,6 +221,9 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG)
ppc_md.progress = gen550_progress;
#endif /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */
+#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_KGDB)
+ ppc_md.early_serial_map = sbc8560_early_serial_map;
+#endif /* CONFIG_SERIAL_8250 && CONFIG_KGDB */
if (ppc_md.progress)
ppc_md.progress("sbc8560_init(): exit", 0);
diff --git a/arch/ppc/platforms/pmac_cpufreq.c b/arch/ppc/platforms/pmac_cpufreq.c
index f7fb2786cd5..937f46df711 100644
--- a/arch/ppc/platforms/pmac_cpufreq.c
+++ b/arch/ppc/platforms/pmac_cpufreq.c
@@ -85,14 +85,11 @@ static int no_schedule;
static int has_cpu_l2lve;
-#define PMAC_CPU_LOW_SPEED 1
-#define PMAC_CPU_HIGH_SPEED 0
-
/* There are only two frequency states for each processor. Values
* are in kHz for the time being.
*/
-#define CPUFREQ_HIGH PMAC_CPU_HIGH_SPEED
-#define CPUFREQ_LOW PMAC_CPU_LOW_SPEED
+#define CPUFREQ_HIGH 0
+#define CPUFREQ_LOW 1
static struct cpufreq_frequency_table pmac_cpu_freqs[] = {
{CPUFREQ_HIGH, 0},
@@ -100,6 +97,11 @@ static struct cpufreq_frequency_table pmac_cpu_freqs[] = {
{0, CPUFREQ_TABLE_END},
};
+static struct freq_attr* pmac_cpu_freqs_attr[] = {
+ &cpufreq_freq_attr_scaling_available_freqs,
+ NULL,
+};
+
static inline void local_delay(unsigned long ms)
{
if (no_schedule)
@@ -269,6 +271,8 @@ static int __pmac pmu_set_cpu_speed(int low_speed)
#ifdef DEBUG_FREQ
printk(KERN_DEBUG "HID1, before: %x\n", mfspr(SPRN_HID1));
#endif
+ pmu_suspend();
+
/* Disable all interrupt sources on openpic */
pic_prio = openpic_get_priority();
openpic_set_priority(0xf);
@@ -343,6 +347,8 @@ static int __pmac pmu_set_cpu_speed(int low_speed)
debug_calc_bogomips();
#endif
+ pmu_resume();
+
preempt_enable();
return 0;
@@ -355,7 +361,7 @@ static int __pmac do_set_cpu_speed(int speed_mode, int notify)
static unsigned long prev_l3cr;
freqs.old = cur_freq;
- freqs.new = (speed_mode == PMAC_CPU_HIGH_SPEED) ? hi_freq : low_freq;
+ freqs.new = (speed_mode == CPUFREQ_HIGH) ? hi_freq : low_freq;
freqs.cpu = smp_processor_id();
if (freqs.old == freqs.new)
@@ -363,7 +369,7 @@ static int __pmac do_set_cpu_speed(int speed_mode, int notify)
if (notify)
cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
- if (speed_mode == PMAC_CPU_LOW_SPEED &&
+ if (speed_mode == CPUFREQ_LOW &&
cpu_has_feature(CPU_FTR_L3CR)) {
l3cr = _get_L3CR();
if (l3cr & L3CR_L3E) {
@@ -371,8 +377,8 @@ static int __pmac do_set_cpu_speed(int speed_mode, int notify)
_set_L3CR(0);
}
}
- set_speed_proc(speed_mode == PMAC_CPU_LOW_SPEED);
- if (speed_mode == PMAC_CPU_HIGH_SPEED &&
+ set_speed_proc(speed_mode == CPUFREQ_LOW);
+ if (speed_mode == CPUFREQ_HIGH &&
cpu_has_feature(CPU_FTR_L3CR)) {
l3cr = _get_L3CR();
if ((prev_l3cr & L3CR_L3E) && l3cr != prev_l3cr)
@@ -380,7 +386,7 @@ static int __pmac do_set_cpu_speed(int speed_mode, int notify)
}
if (notify)
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
- cur_freq = (speed_mode == PMAC_CPU_HIGH_SPEED) ? hi_freq : low_freq;
+ cur_freq = (speed_mode == CPUFREQ_HIGH) ? hi_freq : low_freq;
return 0;
}
@@ -423,7 +429,8 @@ static int __pmac pmac_cpufreq_cpu_init(struct cpufreq_policy *policy)
policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
policy->cur = cur_freq;
- return cpufreq_frequency_table_cpuinfo(policy, &pmac_cpu_freqs[0]);
+ cpufreq_frequency_table_get_attr(pmac_cpu_freqs, policy->cpu);
+ return cpufreq_frequency_table_cpuinfo(policy, pmac_cpu_freqs);
}
static u32 __pmac read_gpio(struct device_node *np)
@@ -457,7 +464,7 @@ static int __pmac pmac_cpufreq_suspend(struct cpufreq_policy *policy, u32 state)
no_schedule = 1;
sleep_freq = cur_freq;
if (cur_freq == low_freq)
- do_set_cpu_speed(PMAC_CPU_HIGH_SPEED, 0);
+ do_set_cpu_speed(CPUFREQ_HIGH, 0);
return 0;
}
@@ -473,8 +480,8 @@ static int __pmac pmac_cpufreq_resume(struct cpufreq_policy *policy)
* is that we force a switch to whatever it was, which is
* probably high speed due to our suspend() routine
*/
- do_set_cpu_speed(sleep_freq == low_freq ? PMAC_CPU_LOW_SPEED
- : PMAC_CPU_HIGH_SPEED, 0);
+ do_set_cpu_speed(sleep_freq == low_freq ?
+ CPUFREQ_LOW : CPUFREQ_HIGH, 0);
no_schedule = 0;
return 0;
@@ -488,6 +495,7 @@ static struct cpufreq_driver pmac_cpufreq_driver = {
.suspend = pmac_cpufreq_suspend,
.resume = pmac_cpufreq_resume,
.flags = CPUFREQ_PM_NO_WARN,
+ .attr = pmac_cpu_freqs_attr,
.name = "powermac",
.owner = THIS_MODULE,
};
diff --git a/arch/ppc/platforms/pq2ads.h b/arch/ppc/platforms/pq2ads.h
index cf5e5dd06d6..067d9a5aebc 100644
--- a/arch/ppc/platforms/pq2ads.h
+++ b/arch/ppc/platforms/pq2ads.h
@@ -49,10 +49,10 @@
/* PCI interrupt controller */
#define PCI_INT_STAT_REG 0xF8200000
#define PCI_INT_MASK_REG 0xF8200004
-#define PIRQA (NR_SIU_INTS + 0)
-#define PIRQB (NR_SIU_INTS + 1)
-#define PIRQC (NR_SIU_INTS + 2)
-#define PIRQD (NR_SIU_INTS + 3)
+#define PIRQA (NR_CPM_INTS + 0)
+#define PIRQB (NR_CPM_INTS + 1)
+#define PIRQC (NR_CPM_INTS + 2)
+#define PIRQD (NR_CPM_INTS + 3)
/*
* PCI memory map definitions for MPC8266ADS-PCI.
@@ -68,28 +68,23 @@
* 0x00000000-0x1FFFFFFF 0x00000000-0x1FFFFFFF MPC8266 local memory
*/
-/* window for a PCI master to access MPC8266 memory */
-#define PCI_SLV_MEM_LOCAL 0x00000000 /* Local base */
-#define PCI_SLV_MEM_BUS 0x00000000 /* PCI base */
+/* All the other PCI memory map definitions reside at syslib/m82xx_pci.h
+ Here we should redefine what is unique for this board */
+#define M82xx_PCI_SLAVE_MEM_LOCAL 0x00000000 /* Local base */
+#define M82xx_PCI_SLAVE_MEM_BUS 0x00000000 /* PCI base */
+#define M82xx_PCI_SLAVE_MEM_SIZE 0x10000000 /* 256 Mb */
-/* window for the processor to access PCI memory with prefetching */
-#define PCI_MSTR_MEM_LOCAL 0x80000000 /* Local base */
-#define PCI_MSTR_MEM_BUS 0x80000000 /* PCI base */
-#define PCI_MSTR_MEM_SIZE 0x20000000 /* 512MB */
+#define M82xx_PCI_SLAVE_SEC_WND_SIZE ~(0x40000000 - 1U) /* 2 x 512Mb */
+#define M82xx_PCI_SLAVE_SEC_WND_BASE 0x80000000 /* PCI Memory base */
-/* window for the processor to access PCI memory without prefetching */
-#define PCI_MSTR_MEMIO_LOCAL 0xA0000000 /* Local base */
-#define PCI_MSTR_MEMIO_BUS 0xA0000000 /* PCI base */
-#define PCI_MSTR_MEMIO_SIZE 0x20000000 /* 512MB */
+#if defined(CONFIG_ADS8272)
+#define PCI_INT_TO_SIU SIU_INT_IRQ2
+#elif defined(CONFIG_PQ2FADS)
+#define PCI_INT_TO_SIU SIU_INT_IRQ6
+#else
+#warning PCI Bridge will be without interrupts support
+#endif
-/* window for the processor to access PCI I/O */
-#define PCI_MSTR_IO_LOCAL 0xF4000000 /* Local base */
-#define PCI_MSTR_IO_BUS 0x00000000 /* PCI base */
-#define PCI_MSTR_IO_SIZE 0x04000000 /* 64MB */
-
-#define _IO_BASE PCI_MSTR_IO_LOCAL
-#define _ISA_MEM_BASE PCI_MSTR_MEMIO_LOCAL
-#define PCI_DRAM_OFFSET PCI_SLV_MEM_BUS
#endif /* CONFIG_PCI */
#endif /* __MACH_ADS8260_DEFS */
diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile
index dd418ea3426..96acf85800d 100644
--- a/arch/ppc/syslib/Makefile
+++ b/arch/ppc/syslib/Makefile
@@ -81,7 +81,7 @@ obj-$(CONFIG_SBC82xx) += todc_time.o
obj-$(CONFIG_SPRUCE) += cpc700_pic.o indirect_pci.o pci_auto.o \
todc_time.o
obj-$(CONFIG_8260) += m8260_setup.o
-obj-$(CONFIG_PCI_8260) += m8260_pci.o indirect_pci.o
+obj-$(CONFIG_PCI_8260) += m82xx_pci.o indirect_pci.o pci_auto.o
obj-$(CONFIG_8260_PCI9) += m8260_pci_erratum9.o
obj-$(CONFIG_CPM2) += cpm2_common.o cpm2_pic.o
ifeq ($(CONFIG_PPC_GEN550),y)
@@ -97,7 +97,7 @@ obj-$(CONFIG_MPC10X_OPENPIC) += open_pic.o
obj-$(CONFIG_40x) += dcr.o
obj-$(CONFIG_BOOKE) += dcr.o
obj-$(CONFIG_85xx) += open_pic.o ppc85xx_common.o ppc85xx_setup.o \
- ppc_sys.o mpc85xx_sys.o \
+ ppc_sys.o i8259.o mpc85xx_sys.o \
mpc85xx_devices.o
ifeq ($(CONFIG_85xx),y)
obj-$(CONFIG_PCI) += indirect_pci.o pci_auto.o
diff --git a/arch/ppc/syslib/ipic.c b/arch/ppc/syslib/ipic.c
index acb2cde3171..580ed658e87 100644
--- a/arch/ppc/syslib/ipic.c
+++ b/arch/ppc/syslib/ipic.c
@@ -479,7 +479,7 @@ void __init ipic_init(phys_addr_t phys_addr,
temp = 0;
for (i = 0 ; i < senses_count ; i++) {
if ((senses[i] & IRQ_SENSE_MASK) == IRQ_SENSE_EDGE) {
- temp |= 1 << (16 - i);
+ temp |= 1 << (15 - i);
if (i != 0)
irq_desc[i + irq_offset + MPC83xx_IRQ_EXT1 - 1].status = 0;
else
diff --git a/arch/ppc/syslib/m8260_pci.c b/arch/ppc/syslib/m8260_pci.c
deleted file mode 100644
index 057cc3f8ff3..00000000000
--- a/arch/ppc/syslib/m8260_pci.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * (C) Copyright 2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2004 Red Hat, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-
-#include <asm/byteorder.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/uaccess.h>
-#include <asm/machdep.h>
-#include <asm/pci-bridge.h>
-#include <asm/immap_cpm2.h>
-#include <asm/mpc8260.h>
-
-#include "m8260_pci.h"
-
-
-/* PCI bus configuration registers.
- */
-
-static void __init m8260_setup_pci(struct pci_controller *hose)
-{
- volatile cpm2_map_t *immap = cpm2_immr;
- unsigned long pocmr;
- u16 tempShort;
-
-#ifndef CONFIG_ATC /* already done in U-Boot */
- /*
- * Setting required to enable IRQ1-IRQ7 (SIUMCR [DPPC]),
- * and local bus for PCI (SIUMCR [LBPC]).
- */
- immap->im_siu_conf.siu_82xx.sc_siumcr = 0x00640000;
-#endif
-
- /* Make PCI lowest priority */
- /* Each 4 bits is a device bus request and the MS 4bits
- is highest priority */
- /* Bus 4bit value
- --- ----------
- CPM high 0b0000
- CPM middle 0b0001
- CPM low 0b0010
- PCI reguest 0b0011
- Reserved 0b0100
- Reserved 0b0101
- Internal Core 0b0110
- External Master 1 0b0111
- External Master 2 0b1000
- External Master 3 0b1001
- The rest are reserved */
- immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x61207893;
-
- /* Park bus on core while modifying PCI Bus accesses */
- immap->im_siu_conf.siu_82xx.sc_ppc_acr = 0x6;
-
- /*
- * Set up master window that allows the CPU to access PCI space. This
- * window is set up using the first SIU PCIBR registers.
- */
- immap->im_memctl.memc_pcimsk0 = MPC826x_PCI_MASK;
- immap->im_memctl.memc_pcibr0 = MPC826x_PCI_BASE | PCIBR_ENABLE;
-
- /* Disable machine check on no response or target abort */
- immap->im_pci.pci_emr = cpu_to_le32(0x1fe7);
- /* Release PCI RST (by default the PCI RST signal is held low) */
- immap->im_pci.pci_gcr = cpu_to_le32(PCIGCR_PCI_BUS_EN);
-
- /* give it some time */
- mdelay(1);
-
- /*
- * Set up master window that allows the CPU to access PCI Memory (prefetch)
- * space. This window is set up using the first set of Outbound ATU registers.
- */
- immap->im_pci.pci_potar0 = cpu_to_le32(MPC826x_PCI_LOWER_MEM >> 12);
- immap->im_pci.pci_pobar0 = cpu_to_le32((MPC826x_PCI_LOWER_MEM - MPC826x_PCI_MEM_OFFSET) >> 12);
- pocmr = ((MPC826x_PCI_UPPER_MEM - MPC826x_PCI_LOWER_MEM) >> 12) ^ 0xfffff;
- immap->im_pci.pci_pocmr0 = cpu_to_le32(pocmr | POCMR_ENABLE | POCMR_PREFETCH_EN);
-
- /*
- * Set up master window that allows the CPU to access PCI Memory (non-prefetch)
- * space. This window is set up using the second set of Outbound ATU registers.
- */
- immap->im_pci.pci_potar1 = cpu_to_le32(MPC826x_PCI_LOWER_MMIO >> 12);
- immap->im_pci.pci_pobar1 = cpu_to_le32((MPC826x_PCI_LOWER_MMIO - MPC826x_PCI_MMIO_OFFSET) >> 12);
- pocmr = ((MPC826x_PCI_UPPER_MMIO - MPC826x_PCI_LOWER_MMIO) >> 12) ^ 0xfffff;
- immap->im_pci.pci_pocmr1 = cpu_to_le32(pocmr | POCMR_ENABLE);
-
- /*
- * Set up master window that allows the CPU to access PCI IO space. This window
- * is set up using the third set of Outbound ATU registers.
- */
- immap->im_pci.pci_potar2 = cpu_to_le32(MPC826x_PCI_IO_BASE >> 12);
- immap->im_pci.pci_pobar2 = cpu_to_le32(MPC826x_PCI_LOWER_IO >> 12);
- pocmr = ((MPC826x_PCI_UPPER_IO - MPC826x_PCI_LOWER_IO) >> 12) ^ 0xfffff;
- immap->im_pci.pci_pocmr2 = cpu_to_le32(pocmr | POCMR_ENABLE | POCMR_PCI_IO);
-
- /*
- * Set up slave window that allows PCI masters to access MPC826x local memory.
- * This window is set up using the first set of Inbound ATU registers
- */
-
- immap->im_pci.pci_pitar0 = cpu_to_le32(MPC826x_PCI_SLAVE_MEM_LOCAL >> 12);
- immap->im_pci.pci_pibar0 = cpu_to_le32(MPC826x_PCI_SLAVE_MEM_BUS >> 12);
- pocmr = ((MPC826x_PCI_SLAVE_MEM_SIZE-1) >> 12) ^ 0xfffff;
- immap->im_pci.pci_picmr0 = cpu_to_le32(pocmr | PICMR_ENABLE | PICMR_PREFETCH_EN);
-
- /* See above for description - puts PCI request as highest priority */
- immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x03124567;
-
- /* Park the bus on the PCI */
- immap->im_siu_conf.siu_82xx.sc_ppc_acr = PPC_ACR_BUS_PARK_PCI;
-
- /* Host mode - specify the bridge as a host-PCI bridge */
- early_write_config_word(hose, 0, 0, PCI_CLASS_DEVICE, PCI_CLASS_BRIDGE_HOST);
-
- /* Enable the host bridge to be a master on the PCI bus, and to act as a PCI memory target */
- early_read_config_word(hose, 0, 0, PCI_COMMAND, &tempShort);
- early_write_config_word(hose, 0, 0, PCI_COMMAND,
- tempShort | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
-}
-
-void __init m8260_find_bridges(void)
-{
- extern int pci_assign_all_busses;
- struct pci_controller * hose;
-
- pci_assign_all_busses = 1;
-
- hose = pcibios_alloc_controller();
-
- if (!hose)
- return;
-
- ppc_md.pci_swizzle = common_swizzle;
-
- hose->first_busno = 0;
- hose->bus_offset = 0;
- hose->last_busno = 0xff;
-
- setup_m8260_indirect_pci(hose,
- (unsigned long)&cpm2_immr->im_pci.pci_cfg_addr,
- (unsigned long)&cpm2_immr->im_pci.pci_cfg_data);
-
- m8260_setup_pci(hose);
- hose->pci_mem_offset = MPC826x_PCI_MEM_OFFSET;
-
- hose->io_base_virt = ioremap(MPC826x_PCI_IO_BASE,
- MPC826x_PCI_IO_SIZE);
- isa_io_base = (unsigned long) hose->io_base_virt;
-
- /* setup resources */
- pci_init_resource(&hose->mem_resources[0],
- MPC826x_PCI_LOWER_MEM,
- MPC826x_PCI_UPPER_MEM,
- IORESOURCE_MEM|IORESOURCE_PREFETCH, "PCI prefetchable memory");
-
- pci_init_resource(&hose->mem_resources[1],
- MPC826x_PCI_LOWER_MMIO,
- MPC826x_PCI_UPPER_MMIO,
- IORESOURCE_MEM, "PCI memory");
-
- pci_init_resource(&hose->io_resource,
- MPC826x_PCI_LOWER_IO,
- MPC826x_PCI_UPPER_IO,
- IORESOURCE_IO, "PCI I/O");
-}
diff --git a/arch/ppc/syslib/m8260_pci.h b/arch/ppc/syslib/m8260_pci.h
deleted file mode 100644
index d1352120acd..00000000000
--- a/arch/ppc/syslib/m8260_pci.h
+++ /dev/null
@@ -1,76 +0,0 @@
-
-#ifndef _PPC_KERNEL_M8260_PCI_H
-#define _PPC_KERNEL_M8260_PCI_H
-
-#include <asm/m8260_pci.h>
-
-/*
- * Local->PCI map (from CPU) controlled by
- * MPC826x master window
- *
- * 0x80000000 - 0xBFFFFFFF Total CPU2PCI space PCIBR0
- *
- * 0x80000000 - 0x9FFFFFFF PCI Mem with prefetch (Outbound ATU #1)
- * 0xA0000000 - 0xAFFFFFFF PCI Mem w/o prefetch (Outbound ATU #2)
- * 0xB0000000 - 0xB0FFFFFF 32-bit PCI IO (Outbound ATU #3)
- *
- * PCI->Local map (from PCI)
- * MPC826x slave window controlled by
- *
- * 0x00000000 - 0x07FFFFFF MPC826x local memory (Inbound ATU #1)
- */
-
-/*
- * Slave window that allows PCI masters to access MPC826x local memory.
- * This window is set up using the first set of Inbound ATU registers
- */
-
-#ifndef MPC826x_PCI_SLAVE_MEM_LOCAL
-#define MPC826x_PCI_SLAVE_MEM_LOCAL (((struct bd_info *)__res)->bi_memstart)
-#define MPC826x_PCI_SLAVE_MEM_BUS (((struct bd_info *)__res)->bi_memstart)
-#define MPC826x_PCI_SLAVE_MEM_SIZE (((struct bd_info *)__res)->bi_memsize)
-#endif
-
-/*
- * This is the window that allows the CPU to access PCI address space.
- * It will be setup with the SIU PCIBR0 register. All three PCI master
- * windows, which allow the CPU to access PCI prefetch, non prefetch,
- * and IO space (see below), must all fit within this window.
- */
-#ifndef MPC826x_PCI_BASE
-#define MPC826x_PCI_BASE 0x80000000
-#define MPC826x_PCI_MASK 0xc0000000
-#endif
-
-#ifndef MPC826x_PCI_LOWER_MEM
-#define MPC826x_PCI_LOWER_MEM 0x80000000
-#define MPC826x_PCI_UPPER_MEM 0x9fffffff
-#define MPC826x_PCI_MEM_OFFSET 0x00000000
-#endif
-
-#ifndef MPC826x_PCI_LOWER_MMIO
-#define MPC826x_PCI_LOWER_MMIO 0xa0000000
-#define MPC826x_PCI_UPPER_MMIO 0xafffffff
-#define MPC826x_PCI_MMIO_OFFSET 0x00000000
-#endif
-
-#ifndef MPC826x_PCI_LOWER_IO
-#define MPC826x_PCI_LOWER_IO 0x00000000
-#define MPC826x_PCI_UPPER_IO 0x00ffffff
-#define MPC826x_PCI_IO_BASE 0xb0000000
-#define MPC826x_PCI_IO_SIZE 0x01000000
-#endif
-
-#ifndef _IO_BASE
-#define _IO_BASE isa_io_base
-#endif
-
-#ifdef CONFIG_8260_PCI9
-struct pci_controller;
-extern void setup_m8260_indirect_pci(struct pci_controller* hose,
- u32 cfg_addr, u32 cfg_data);
-#else
-#define setup_m8260_indirect_pci setup_indirect_pci
-#endif
-
-#endif /* _PPC_KERNEL_M8260_PCI_H */
diff --git a/arch/ppc/syslib/m8260_pci_erratum9.c b/arch/ppc/syslib/m8260_pci_erratum9.c
index 9c0582d639e..1dc7e4e1d49 100644
--- a/arch/ppc/syslib/m8260_pci_erratum9.c
+++ b/arch/ppc/syslib/m8260_pci_erratum9.c
@@ -31,7 +31,7 @@
#include <asm/immap_cpm2.h>
#include <asm/cpm2.h>
-#include "m8260_pci.h"
+#include "m82xx_pci.h"
#ifdef CONFIG_8260_PCI9
/*#include <asm/mpc8260_pci9.h>*/ /* included in asm/io.h */
@@ -248,11 +248,11 @@ EXPORT_SYMBOL(idma_pci9_read_le);
static inline int is_pci_mem(unsigned long addr)
{
- if (addr >= MPC826x_PCI_LOWER_MMIO &&
- addr <= MPC826x_PCI_UPPER_MMIO)
+ if (addr >= M82xx_PCI_LOWER_MMIO &&
+ addr <= M82xx_PCI_UPPER_MMIO)
return 1;
- if (addr >= MPC826x_PCI_LOWER_MEM &&
- addr <= MPC826x_PCI_UPPER_MEM)
+ if (addr >= M82xx_PCI_LOWER_MEM &&
+ addr <= M82xx_PCI_UPPER_MEM)
return 1;
return 0;
}
diff --git a/arch/ppc/syslib/m8260_setup.c b/arch/ppc/syslib/m8260_setup.c
index 23ea3f694de..fda75d79050 100644
--- a/arch/ppc/syslib/m8260_setup.c
+++ b/arch/ppc/syslib/m8260_setup.c
@@ -34,7 +34,8 @@
unsigned char __res[sizeof(bd_t)];
extern void cpm2_reset(void);
-extern void m8260_find_bridges(void);
+extern void pq2_find_bridges(void);
+extern void pq2pci_init_irq(void);
extern void idma_pci9_init(void);
/* Place-holder for board-specific init */
@@ -56,7 +57,7 @@ m8260_setup_arch(void)
idma_pci9_init();
#endif
#ifdef CONFIG_PCI_8260
- m8260_find_bridges();
+ pq2_find_bridges();
#endif
#ifdef CONFIG_BLK_DEV_INITRD
if (initrd_start)
@@ -173,6 +174,12 @@ m8260_init_IRQ(void)
* in case the boot rom changed something on us.
*/
cpm2_immr->im_intctl.ic_siprr = 0x05309770;
+
+#if defined(CONFIG_PCI) && (defined(CONFIG_ADS8272) || defined(CONFIG_PQ2FADS))
+ /* Initialize stuff for the 82xx CPLD IC and install demux */
+ pq2pci_init_irq();
+#endif
+
}
/*
diff --git a/arch/ppc/syslib/m82xx_pci.c b/arch/ppc/syslib/m82xx_pci.c
new file mode 100644
index 00000000000..5e7a7edcea7
--- /dev/null
+++ b/arch/ppc/syslib/m82xx_pci.c
@@ -0,0 +1,383 @@
+/*
+ *
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004 Red Hat, Inc.
+ *
+ * 2005 (c) MontaVista Software, Inc.
+ * Vitaly Bordug <vbordug@ru.mvista.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+
+#include <asm/byteorder.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/uaccess.h>
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <asm/immap_cpm2.h>
+#include <asm/mpc8260.h>
+#include <asm/cpm2.h>
+
+#include "m82xx_pci.h"
+
+/*
+ * Interrupt routing
+ */
+
+static inline int
+pq2pci_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
+{
+ static char pci_irq_table[][4] =
+ /*
+ * PCI IDSEL/INTPIN->INTLINE
+ * A B C D
+ */
+ {
+ { PIRQA, PIRQB, PIRQC, PIRQD }, /* IDSEL 22 - PCI slot 0 */
+ { PIRQD, PIRQA, PIRQB, PIRQC }, /* IDSEL 23 - PCI slot 1 */
+ { PIRQC, PIRQD, PIRQA, PIRQB }, /* IDSEL 24 - PCI slot 2 */
+ };
+
+ const long min_idsel = 22, max_idsel = 24, irqs_per_slot = 4;
+ return PCI_IRQ_TABLE_LOOKUP;
+}
+
+static void
+pq2pci_mask_irq(unsigned int irq)
+{
+ int bit = irq - NR_CPM_INTS;
+
+ *(volatile unsigned long *) PCI_INT_MASK_REG |= (1 << (31 - bit));
+ return;
+}
+
+static void
+pq2pci_unmask_irq(unsigned int irq)
+{
+ int bit = irq - NR_CPM_INTS;
+
+ *(volatile unsigned long *) PCI_INT_MASK_REG &= ~(1 << (31 - bit));
+ return;
+}
+
+static void
+pq2pci_mask_and_ack(unsigned int irq)
+{
+ int bit = irq - NR_CPM_INTS;
+
+ *(volatile unsigned long *) PCI_INT_MASK_REG |= (1 << (31 - bit));
+ return;
+}
+
+static void
+pq2pci_end_irq(unsigned int irq)
+{
+ int bit = irq - NR_CPM_INTS;
+
+ *(volatile unsigned long *) PCI_INT_MASK_REG &= ~(1 << (31 - bit));
+ return;
+}
+
+struct hw_interrupt_type pq2pci_ic = {
+ "PQ2 PCI",
+ NULL,
+ NULL,
+ pq2pci_unmask_irq,
+ pq2pci_mask_irq,
+ pq2pci_mask_and_ack,
+ pq2pci_end_irq,
+ 0
+};
+
+static irqreturn_t
+pq2pci_irq_demux(int irq, void *dev_id, struct pt_regs *regs)
+{
+ unsigned long stat, mask, pend;
+ int bit;
+
+ for(;;) {
+ stat = *(volatile unsigned long *) PCI_INT_STAT_REG;
+ mask = *(volatile unsigned long *) PCI_INT_MASK_REG;
+ pend = stat & ~mask & 0xf0000000;
+ if (!pend)
+ break;
+ for (bit = 0; pend != 0; ++bit, pend <<= 1) {
+ if (pend & 0x80000000)
+ __do_IRQ(NR_CPM_INTS + bit, regs);
+ }
+ }
+
+ return IRQ_HANDLED;
+}
+
+static struct irqaction pq2pci_irqaction = {
+ .handler = pq2pci_irq_demux,
+ .flags = SA_INTERRUPT,
+ .mask = CPU_MASK_NONE,
+ .name = "PQ2 PCI cascade",
+};
+
+
+void
+pq2pci_init_irq(void)
+{
+ int irq;
+ volatile cpm2_map_t *immap = cpm2_immr;
+#if defined CONFIG_ADS8272
+ /* configure chip select for PCI interrupt controller */
+ immap->im_memctl.memc_br3 = PCI_INT_STAT_REG | 0x00001801;
+ immap->im_memctl.memc_or3 = 0xffff8010;
+#elif defined CONFIG_PQ2FADS
+ immap->im_memctl.memc_br8 = PCI_INT_STAT_REG | 0x00001801;
+ immap->im_memctl.memc_or8 = 0xffff8010;
+#endif
+ for (irq = NR_CPM_INTS; irq < NR_CPM_INTS + 4; irq++)
+ irq_desc[irq].handler = &pq2pci_ic;
+
+ /* make PCI IRQ level sensitive */
+ immap->im_intctl.ic_siexr &=
+ ~(1 << (14 - (PCI_INT_TO_SIU - SIU_INT_IRQ1)));
+
+ /* mask all PCI interrupts */
+ *(volatile unsigned long *) PCI_INT_MASK_REG |= 0xfff00000;
+
+ /* install the demultiplexer for the PCI cascade interrupt */
+ setup_irq(PCI_INT_TO_SIU, &pq2pci_irqaction);
+ return;
+}
+
+static int
+pq2pci_exclude_device(u_char bus, u_char devfn)
+{
+ return PCIBIOS_SUCCESSFUL;
+}
+
+/* PCI bus configuration registers.
+ */
+static void
+pq2ads_setup_pci(struct pci_controller *hose)
+{
+ __u32 val;
+ volatile cpm2_map_t *immap = cpm2_immr;
+ bd_t* binfo = (bd_t*) __res;
+ u32 sccr = immap->im_clkrst.car_sccr;
+ uint pci_div,freq,time;
+ /* PCI int lowest prio */
+ /* Each 4 bits is a device bus request and the MS 4bits
+ is highest priority */
+ /* Bus 4bit value
+ --- ----------
+ CPM high 0b0000
+ CPM middle 0b0001
+ CPM low 0b0010
+ PCI reguest 0b0011
+ Reserved 0b0100
+ Reserved 0b0101
+ Internal Core 0b0110
+ External Master 1 0b0111
+ External Master 2 0b1000
+ External Master 3 0b1001
+ The rest are reserved
+ */
+ immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x61207893;
+ /* park bus on core */
+ immap->im_siu_conf.siu_82xx.sc_ppc_acr = PPC_ACR_BUS_PARK_CORE;
+ /*
+ * Set up master windows that allow the CPU to access PCI space. These
+ * windows are set up using the two SIU PCIBR registers.
+ */
+
+ immap->im_memctl.memc_pcimsk0 = M82xx_PCI_PRIM_WND_SIZE;
+ immap->im_memctl.memc_pcibr0 = M82xx_PCI_PRIM_WND_BASE | PCIBR_ENABLE;
+
+#ifdef M82xx_PCI_SEC_WND_SIZE
+ immap->im_memctl.memc_pcimsk1 = M82xx_PCI_SEC_WND_SIZE;
+ immap->im_memctl.memc_pcibr1 = M82xx_PCI_SEC_WND_BASE | PCIBR_ENABLE;
+#endif
+
+#if defined CONFIG_ADS8272
+ immap->im_siu_conf.siu_82xx.sc_siumcr =
+ (immap->im_siu_conf.siu_82xx.sc_siumcr &
+ ~(SIUMCR_BBD | SIUMCR_ESE | SIUMCR_PBSE |
+ SIUMCR_CDIS | SIUMCR_DPPC11 | SIUMCR_L2CPC11 |
+ SIUMCR_LBPC11 | SIUMCR_APPC11 |
+ SIUMCR_CS10PC11 | SIUMCR_BCTLC11 | SIUMCR_MMR11)) |
+ SIUMCR_DPPC11 | SIUMCR_L2CPC01 | SIUMCR_LBPC00 |
+ SIUMCR_APPC10 | SIUMCR_CS10PC00 |
+ SIUMCR_BCTLC00 | SIUMCR_MMR11 ;
+
+#elif defined CONFIG_PQ2FADS
+ /*
+ * Setting required to enable IRQ1-IRQ7 (SIUMCR [DPPC]),
+ * and local bus for PCI (SIUMCR [LBPC]).
+ */
+ immap->im_siu_conf.siu_82xx.sc_siumcr = (immap->im_siu_conf.sc_siumcr &
+ ~(SIUMCR_L2PC11 | SIUMCR_LBPC11 | SIUMCR_CS10PC11 | SIUMCR_APPC11) |
+ SIUMCR_BBD | SIUMCR_LBPC01 | SIUMCR_DPPC11 | SIUMCR_APPC10;
+#endif
+ /* Enable PCI */
+ immap->im_pci.pci_gcr = cpu_to_le32(PCIGCR_PCI_BUS_EN);
+
+ pci_div = ( (sccr & SCCR_PCI_MODCK) ? 2 : 1) *
+ ( ( (sccr & SCCR_PCIDF_MSK) >> SCCR_PCIDF_SHIFT) + 1);
+ freq = (uint)((2*binfo->bi_cpmfreq)/(pci_div));
+ time = (int)666666/freq;
+ /* due to PCI Local Bus spec, some devices needs to wait such a long
+ time after RST deassertion. More specifically, 0.508s for 66MHz & twice more for 33 */
+ printk("%s: The PCI bus is %d Mhz.\nWaiting %s after deasserting RST...\n",__FILE__,freq,
+ (time==1) ? "0.5 seconds":"1 second" );
+
+ {
+ int i;
+ for(i=0;i<(500*time);i++)
+ udelay(1000);
+ }
+
+ /* setup ATU registers */
+ immap->im_pci.pci_pocmr0 = cpu_to_le32(POCMR_ENABLE | POCMR_PCI_IO |
+ ((~(M82xx_PCI_IO_SIZE - 1U)) >> POTA_ADDR_SHIFT));
+ immap->im_pci.pci_potar0 = cpu_to_le32(M82xx_PCI_LOWER_IO >> POTA_ADDR_SHIFT);
+ immap->im_pci.pci_pobar0 = cpu_to_le32(M82xx_PCI_IO_BASE >> POTA_ADDR_SHIFT);
+
+ /* Set-up non-prefetchable window */
+ immap->im_pci.pci_pocmr1 = cpu_to_le32(POCMR_ENABLE | ((~(M82xx_PCI_MMIO_SIZE-1U)) >> POTA_ADDR_SHIFT));
+ immap->im_pci.pci_potar1 = cpu_to_le32(M82xx_PCI_LOWER_MMIO >> POTA_ADDR_SHIFT);
+ immap->im_pci.pci_pobar1 = cpu_to_le32((M82xx_PCI_LOWER_MMIO - M82xx_PCI_MMIO_OFFSET) >> POTA_ADDR_SHIFT);
+
+ /* Set-up prefetchable window */
+ immap->im_pci.pci_pocmr2 = cpu_to_le32(POCMR_ENABLE |POCMR_PREFETCH_EN |
+ (~(M82xx_PCI_MEM_SIZE-1U) >> POTA_ADDR_SHIFT));
+ immap->im_pci.pci_potar2 = cpu_to_le32(M82xx_PCI_LOWER_MEM >> POTA_ADDR_SHIFT);
+ immap->im_pci.pci_pobar2 = cpu_to_le32((M82xx_PCI_LOWER_MEM - M82xx_PCI_MEM_OFFSET) >> POTA_ADDR_SHIFT);
+
+ /* Inbound transactions from PCI memory space */
+ immap->im_pci.pci_picmr0 = cpu_to_le32(PICMR_ENABLE | PICMR_PREFETCH_EN |
+ ((~(M82xx_PCI_SLAVE_MEM_SIZE-1U)) >> PITA_ADDR_SHIFT));
+ immap->im_pci.pci_pibar0 = cpu_to_le32(M82xx_PCI_SLAVE_MEM_BUS >> PITA_ADDR_SHIFT);
+ immap->im_pci.pci_pitar0 = cpu_to_le32(M82xx_PCI_SLAVE_MEM_LOCAL>> PITA_ADDR_SHIFT);
+
+#if defined CONFIG_ADS8272
+ /* PCI int highest prio */
+ immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x01236745;
+#elif defined CONFIG_PQ2FADS
+ immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x03124567;
+#endif
+ /* park bus on PCI */
+ immap->im_siu_conf.siu_82xx.sc_ppc_acr = PPC_ACR_BUS_PARK_PCI;
+
+ /* Enable bus mastering and inbound memory transactions */
+ early_read_config_dword(hose, hose->first_busno, 0, PCI_COMMAND, &val);
+ val &= 0xffff0000;
+ val |= PCI_COMMAND_MEMORY|PCI_COMMAND_MASTER;
+ early_write_config_dword(hose, hose->first_busno, 0, PCI_COMMAND, val);
+
+}
+
+void __init pq2_find_bridges(void)
+{
+ extern int pci_assign_all_busses;
+ struct pci_controller * hose;
+ int host_bridge;
+
+ pci_assign_all_busses = 1;
+
+ hose = pcibios_alloc_controller();
+
+ if (!hose)
+ return;
+
+ ppc_md.pci_swizzle = common_swizzle;
+
+ hose->first_busno = 0;
+ hose->bus_offset = 0;
+ hose->last_busno = 0xff;
+
+#ifdef CONFIG_ADS8272
+ hose->set_cfg_type = 1;
+#endif
+
+ setup_m8260_indirect_pci(hose,
+ (unsigned long)&cpm2_immr->im_pci.pci_cfg_addr,
+ (unsigned long)&cpm2_immr->im_pci.pci_cfg_data);
+
+ /* Make sure it is a supported bridge */
+ early_read_config_dword(hose,
+ 0,
+ PCI_DEVFN(0,0),
+ PCI_VENDOR_ID,
+ &host_bridge);
+ switch (host_bridge) {
+ case PCI_DEVICE_ID_MPC8265:
+ break;
+ case PCI_DEVICE_ID_MPC8272:
+ break;
+ default:
+ printk("Attempting to use unrecognized host bridge ID"
+ " 0x%08x.\n", host_bridge);
+ break;
+ }
+
+ pq2ads_setup_pci(hose);
+
+ hose->io_space.start = M82xx_PCI_LOWER_IO;
+ hose->io_space.end = M82xx_PCI_UPPER_IO;
+ hose->mem_space.start = M82xx_PCI_LOWER_MEM;
+ hose->mem_space.end = M82xx_PCI_UPPER_MMIO;
+ hose->pci_mem_offset = M82xx_PCI_MEM_OFFSET;
+
+ isa_io_base =
+ (unsigned long) ioremap(M82xx_PCI_IO_BASE,
+ M82xx_PCI_IO_SIZE);
+ hose->io_base_virt = (void *) isa_io_base;
+
+ /* setup resources */
+ pci_init_resource(&hose->mem_resources[0],
+ M82xx_PCI_LOWER_MEM,
+ M82xx_PCI_UPPER_MEM,
+ IORESOURCE_MEM|IORESOURCE_PREFETCH, "PCI prefetchable memory");
+
+ pci_init_resource(&hose->mem_resources[1],
+ M82xx_PCI_LOWER_MMIO,
+ M82xx_PCI_UPPER_MMIO,
+ IORESOURCE_MEM, "PCI memory");
+
+ pci_init_resource(&hose->io_resource,
+ M82xx_PCI_LOWER_IO,
+ M82xx_PCI_UPPER_IO,
+ IORESOURCE_IO | 1, "PCI I/O");
+
+ ppc_md.pci_exclude_device = pq2pci_exclude_device;
+ hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
+
+ ppc_md.pci_map_irq = pq2pci_map_irq;
+ ppc_md.pcibios_fixup = NULL;
+ ppc_md.pcibios_fixup_bus = NULL;
+
+}
diff --git a/arch/ppc/syslib/m82xx_pci.h b/arch/ppc/syslib/m82xx_pci.h
new file mode 100644
index 00000000000..924f73f8e59
--- /dev/null
+++ b/arch/ppc/syslib/m82xx_pci.h
@@ -0,0 +1,92 @@
+
+#ifndef _PPC_KERNEL_M82XX_PCI_H
+#define _PPC_KERNEL_M82XX_PCI_H
+
+#include <asm/m8260_pci.h>
+/*
+ * Local->PCI map (from CPU) controlled by
+ * MPC826x master window
+ *
+ * 0xF6000000 - 0xF7FFFFFF IO space
+ * 0x80000000 - 0xBFFFFFFF CPU2PCI memory space PCIBR0
+ *
+ * 0x80000000 - 0x9FFFFFFF PCI Mem with prefetch (Outbound ATU #1)
+ * 0xA0000000 - 0xBFFFFFFF PCI Mem w/o prefetch (Outbound ATU #2)
+ * 0xF6000000 - 0xF7FFFFFF 32-bit PCI IO (Outbound ATU #3)
+ *
+ * PCI->Local map (from PCI)
+ * MPC826x slave window controlled by
+ *
+ * 0x00000000 - 0x07FFFFFF MPC826x local memory (Inbound ATU #1)
+ */
+
+/*
+ * Slave window that allows PCI masters to access MPC826x local memory.
+ * This window is set up using the first set of Inbound ATU registers
+ */
+
+#ifndef M82xx_PCI_SLAVE_MEM_LOCAL
+#define M82xx_PCI_SLAVE_MEM_LOCAL (((struct bd_info *)__res)->bi_memstart)
+#define M82xx_PCI_SLAVE_MEM_BUS (((struct bd_info *)__res)->bi_memstart)
+#define M82xx_PCI_SLAVE_MEM_SIZE (((struct bd_info *)__res)->bi_memsize)
+#endif
+
+/*
+ * This is the window that allows the CPU to access PCI address space.
+ * It will be setup with the SIU PCIBR0 register. All three PCI master
+ * windows, which allow the CPU to access PCI prefetch, non prefetch,
+ * and IO space (see below), must all fit within this window.
+ */
+
+#ifndef M82xx_PCI_LOWER_MEM
+#define M82xx_PCI_LOWER_MEM 0x80000000
+#define M82xx_PCI_UPPER_MEM 0x9fffffff
+#define M82xx_PCI_MEM_OFFSET 0x00000000
+#define M82xx_PCI_MEM_SIZE 0x20000000
+#endif
+
+#ifndef M82xx_PCI_LOWER_MMIO
+#define M82xx_PCI_LOWER_MMIO 0xa0000000
+#define M82xx_PCI_UPPER_MMIO 0xafffffff
+#define M82xx_PCI_MMIO_OFFSET 0x00000000
+#define M82xx_PCI_MMIO_SIZE 0x20000000
+#endif
+
+#ifndef M82xx_PCI_LOWER_IO
+#define M82xx_PCI_LOWER_IO 0x00000000
+#define M82xx_PCI_UPPER_IO 0x01ffffff
+#define M82xx_PCI_IO_BASE 0xf6000000
+#define M82xx_PCI_IO_SIZE 0x02000000
+#endif
+
+#ifndef M82xx_PCI_PRIM_WND_SIZE
+#define M82xx_PCI_PRIM_WND_SIZE ~(M82xx_PCI_IO_SIZE - 1U)
+#define M82xx_PCI_PRIM_WND_BASE (M82xx_PCI_IO_BASE)
+#endif
+
+#ifndef M82xx_PCI_SEC_WND_SIZE
+#define M82xx_PCI_SEC_WND_SIZE ~(M82xx_PCI_MEM_SIZE + M82xx_PCI_MMIO_SIZE - 1U)
+#define M82xx_PCI_SEC_WND_BASE (M82xx_PCI_LOWER_MEM)
+#endif
+
+#ifndef POTA_ADDR_SHIFT
+#define POTA_ADDR_SHIFT 12
+#endif
+
+#ifndef PITA_ADDR_SHIFT
+#define PITA_ADDR_SHIFT 12
+#endif
+
+#ifndef _IO_BASE
+#define _IO_BASE isa_io_base
+#endif
+
+#ifdef CONFIG_8260_PCI9
+struct pci_controller;
+extern void setup_m8260_indirect_pci(struct pci_controller* hose,
+ u32 cfg_addr, u32 cfg_data);
+#else
+#define setup_m8260_indirect_pci setup_indirect_pci
+#endif
+
+#endif /* _PPC_KERNEL_M8260_PCI_H */
diff --git a/arch/ppc/syslib/mpc83xx_devices.c b/arch/ppc/syslib/mpc83xx_devices.c
index 5c1a919eaab..75c8e9834ae 100644
--- a/arch/ppc/syslib/mpc83xx_devices.c
+++ b/arch/ppc/syslib/mpc83xx_devices.c
@@ -61,6 +61,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
.iotype = UPIO_MEM,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
},
+ { },
};
struct platform_device ppc_sys_platform_devices[] = {
diff --git a/arch/ppc/syslib/mpc85xx_devices.c b/arch/ppc/syslib/mpc85xx_devices.c
index a231795ee26..1e658ef57e7 100644
--- a/arch/ppc/syslib/mpc85xx_devices.c
+++ b/arch/ppc/syslib/mpc85xx_devices.c
@@ -61,6 +61,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
.iotype = UPIO_MEM,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ,
},
+ { },
};
struct platform_device ppc_sys_platform_devices[] = {
diff --git a/arch/ppc/syslib/open_pic.c b/arch/ppc/syslib/open_pic.c
index 7619e16fcca..000ba47c67c 100644
--- a/arch/ppc/syslib/open_pic.c
+++ b/arch/ppc/syslib/open_pic.c
@@ -275,7 +275,7 @@ static void __init openpic_enable_sie(void)
}
#endif
-#if defined(CONFIG_EPIC_SERIAL_MODE) || defined(CONFIG_PM)
+#if defined(CONFIG_EPIC_SERIAL_MODE)
static void openpic_reset(void)
{
openpic_setfield(&OpenPIC->Global.Global_Configuration0,
@@ -557,12 +557,10 @@ static void __init openpic_initipi(u_int ipi, u_int pri, u_int vec)
*/
void openpic_cause_IPI(u_int ipi, cpumask_t cpumask)
{
- cpumask_t phys;
DECL_THIS_CPU;
CHECK_THIS_CPU;
check_arg_ipi(ipi);
- phys = physmask(cpumask);
openpic_write(&OpenPIC->THIS_CPU.IPI_Dispatch(ipi),
cpus_addr(physmask(cpumask))[0]);
}
@@ -995,8 +993,6 @@ int openpic_resume(struct sys_device *sysdev)
return 0;
}
- openpic_reset();
-
/* OpenPIC sometimes seem to need some time to be fully back up... */
do {
openpic_set_spurious(OPENPIC_VEC_SPURIOUS);
diff --git a/arch/ppc/syslib/ppc83xx_setup.c b/arch/ppc/syslib/ppc83xx_setup.c
index c28f9d67948..843cf8873e6 100644
--- a/arch/ppc/syslib/ppc83xx_setup.c
+++ b/arch/ppc/syslib/ppc83xx_setup.c
@@ -29,6 +29,7 @@
#include <asm/mmu.h>
#include <asm/ppc_sys.h>
#include <asm/kgdb.h>
+#include <asm/delay.h>
#include <syslib/ppc83xx_setup.h>
@@ -117,7 +118,34 @@ mpc83xx_early_serial_map(void)
void
mpc83xx_restart(char *cmd)
{
+ volatile unsigned char __iomem *reg;
+ unsigned char tmp;
+
+ reg = ioremap(BCSR_PHYS_ADDR, BCSR_SIZE);
+
local_irq_disable();
+
+ /*
+ * Unlock the BCSR bits so a PRST will update the contents.
+ * Otherwise the reset asserts but doesn't clear.
+ */
+ tmp = in_8(reg + BCSR_MISC_REG3_OFF);
+ tmp |= BCSR_MISC_REG3_CNFLOCK; /* low true, high false */
+ out_8(reg + BCSR_MISC_REG3_OFF, tmp);
+
+ /*
+ * Trigger a reset via a low->high transition of the
+ * PORESET bit.
+ */
+ tmp = in_8(reg + BCSR_MISC_REG2_OFF);
+ tmp &= ~BCSR_MISC_REG2_PORESET;
+ out_8(reg + BCSR_MISC_REG2_OFF, tmp);
+
+ udelay(1);
+
+ tmp |= BCSR_MISC_REG2_PORESET;
+ out_8(reg + BCSR_MISC_REG2_OFF, tmp);
+
for(;;);
}
diff --git a/arch/ppc/syslib/ppc85xx_setup.c b/arch/ppc/syslib/ppc85xx_setup.c
index 152c3ef1312..f3277f469e7 100644
--- a/arch/ppc/syslib/ppc85xx_setup.c
+++ b/arch/ppc/syslib/ppc85xx_setup.c
@@ -132,6 +132,12 @@ mpc85xx_halt(void)
}
#ifdef CONFIG_PCI
+
+#if defined(CONFIG_MPC8555_CDS)
+extern void mpc85xx_cds_enable_via(struct pci_controller *hose);
+extern void mpc85xx_cds_fixup_via(struct pci_controller *hose);
+#endif
+
static void __init
mpc85xx_setup_pci1(struct pci_controller *hose)
{
@@ -302,8 +308,18 @@ mpc85xx_setup_hose(void)
ppc_md.pci_exclude_device = mpc85xx_exclude_device;
+#if defined(CONFIG_MPC8555_CDS)
+ /* Pre pciauto_bus_scan VIA init */
+ mpc85xx_cds_enable_via(hose_a);
+#endif
+
hose_a->last_busno = pciauto_bus_scan(hose_a, hose_a->first_busno);
+#if defined(CONFIG_MPC8555_CDS)
+ /* Post pciauto_bus_scan VIA fixup */
+ mpc85xx_cds_fixup_via(hose_a);
+#endif
+
#ifdef CONFIG_85xx_PCI2
hose_b = pcibios_alloc_controller();
diff --git a/arch/ppc/syslib/prom_init.c b/arch/ppc/syslib/prom_init.c
index 2cee87137f2..7f15136830f 100644
--- a/arch/ppc/syslib/prom_init.c
+++ b/arch/ppc/syslib/prom_init.c
@@ -626,8 +626,18 @@ inspect_node(phandle node, struct device_node *dad,
l = call_prom("package-to-path", 3, 1, node,
mem_start, mem_end - mem_start);
if (l >= 0) {
+ char *p, *ep;
+
np->full_name = PTRUNRELOC((char *) mem_start);
*(char *)(mem_start + l) = 0;
+ /* Fixup an Apple bug where they have bogus \0 chars in the
+ * middle of the path in some properties
+ */
+ for (p = (char *)mem_start, ep = p + l; p < ep; p++)
+ if ((*p) == '\0') {
+ memmove(p, p+1, ep - p);
+ ep--;
+ }
mem_start = ALIGNUL(mem_start + l + 1);
}