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Merge remote-tracking branch 'jwb/next' into next

This commit is contained in:
Benjamin Herrenschmidt 2011-08-30 15:14:46 +10:00
parent c6a389f123 9fcd768d0c
commit 9bb7361d99
13 changed files with 294 additions and 339 deletions
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2
arch/powerpc/Kconfig
View File

@ -345,7 +345,7 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE
config KEXEC
bool "kexec system call (EXPERIMENTAL)"
depends on (PPC_BOOK3S || FSL_BOOKE) && EXPERIMENTAL
depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP && !47x)) && EXPERIMENTAL
help
kexec is a system call that implements the ability to shutdown your
current kernel, and to start another kernel. It is like a reboot

168
arch/powerpc/boot/dts/hcu4.dts
View File

@ -1,168 +0,0 @@
/*
* Device Tree Source for Netstal Maschinen HCU4
* based on the IBM Walnut
*
* Copyright 2008
* Niklaus Giger <niklaus.giger@member.fsf.org>
*
* Copyright 2007 IBM Corp.
* Josh Boyer <jwboyer@linux.vnet.ibm.com>
*
* 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.
*/
/dts-v1/;
/ {
#address-cells = <0x1>;
#size-cells = <0x1>;
model = "netstal,hcu4";
compatible = "netstal,hcu4";
dcr-parent = <0x1>;
aliases {
ethernet0 = "/plb/opb/ethernet@ef600800";
serial0 = "/plb/opb/serial@ef600300";
};
cpus {
#address-cells = <0x1>;
#size-cells = <0x0>;
cpu@0 {
device_type = "cpu";
model = "PowerPC,405GPr";
reg = <0x0>;
clock-frequency = <0>; /* Filled in by U-Boot */
timebase-frequency = <0x0>; /* Filled in by U-Boot */
i-cache-line-size = <0x20>;
d-cache-line-size = <0x20>;
i-cache-size = <0x4000>;
d-cache-size = <0x4000>;
dcr-controller;
dcr-access-method = "native";
linux,phandle = <0x1>;
};
};
memory {
device_type = "memory";
reg = <0x0 0x0>; /* Filled in by U-Boot */
};
UIC0: interrupt-controller {
compatible = "ibm,uic";
interrupt-controller;
cell-index = <0x0>;
dcr-reg = <0xc0 0x9>;
#address-cells = <0x0>;
#size-cells = <0x0>;
#interrupt-cells = <0x2>;
linux,phandle = <0x2>;
};
plb {
compatible = "ibm,plb3";
#address-cells = <0x1>;
#size-cells = <0x1>;
ranges;
clock-frequency = <0x0>; /* Filled in by U-Boot */
SDRAM0: memory-controller {
compatible = "ibm,sdram-405gp";
dcr-reg = <0x10 0x2>;
};
MAL: mcmal {
compatible = "ibm,mcmal-405gp", "ibm,mcmal";
dcr-reg = <0x180 0x62>;
num-tx-chans = <0x1>;
num-rx-chans = <0x1>;
interrupt-parent = <0x2>;
interrupts = <0xb 0x4 0xc 0x4 0xa 0x4 0xd 0x4 0xe 0x4>;
linux,phandle = <0x3>;
};
POB0: opb {
compatible = "ibm,opb-405gp", "ibm,opb";
#address-cells = <0x1>;
#size-cells = <0x1>;
ranges = <0xef600000 0xef600000 0xa00000>;
dcr-reg = <0xa0 0x5>;
clock-frequency = <0x0>; /* Filled in by U-Boot */
UART0: serial@ef600300 {
device_type = "serial";
compatible = "ns16550";
reg = <0xef600300 0x8>;
virtual-reg = <0xef600300>;
clock-frequency = <0x0>;/* Filled in by U-Boot */
current-speed = <0>; /* Filled in by U-Boot */
interrupt-parent = <0x2>;
interrupts = <0x0 0x4>;
};
IIC: i2c@ef600500 {
compatible = "ibm,iic-405gp", "ibm,iic";
reg = <0xef600500 0x11>;
interrupt-parent = <0x2>;
interrupts = <0x2 0x4>;
};
GPIO: gpio@ef600700 {
compatible = "ibm,gpio-405gp";
reg = <0xef600700 0x20>;
};
EMAC: ethernet@ef600800 {
device_type = "network";
compatible = "ibm,emac-405gp", "ibm,emac";
interrupt-parent = <0x2>;
interrupts = <0xf 0x4 0x9 0x4>;
local-mac-address = [00 00 00 00 00 00];
reg = <0xef600800 0x70>;
mal-device = <0x3>;
mal-tx-channel = <0x0>;
mal-rx-channel = <0x0>;
cell-index = <0x0>;
max-frame-size = <0x5dc>;
rx-fifo-size = <0x1000>;
tx-fifo-size = <0x800>;
phy-mode = "rmii";
phy-map = <0x1>;
};
};
EBC0: ebc {
compatible = "ibm,ebc-405gp", "ibm,ebc";
dcr-reg = <0x12 0x2>;
#address-cells = <0x2>;
#size-cells = <0x1>;
clock-frequency = <0x0>; /* Filled in by U-Boot */
sram@0,0 {
reg = <0x0 0x0 0x80000>;
};
flash@0,80000 {
compatible = "jedec-flash";
bank-width = <0x1>;
reg = <0x0 0x80000 0x80000>;
#address-cells = <0x1>;
#size-cells = <0x1>;
partition@0 {
label = "OpenBIOS";
reg = <0x0 0x80000>;
read-only;
};
};
};
};
chosen {
linux,stdout-path = "/plb/opb/serial@ef600300";
};
};

36
arch/powerpc/boot/dts/yosemite.dts
View File

@ -138,6 +138,42 @@
clock-frequency = <0>; /* Filled in by zImage */
interrupts = <0x5 0x1>;
interrupt-parent = <&UIC1>;
nor_flash@0,0 {
compatible = "amd,s29gl256n", "cfi-flash";
bank-width = <2>;
reg = <0x00000000 0x00000000 0x04000000>;
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "kernel";
reg = <0x00000000 0x001e0000>;
};
partition@1e0000 {
label = "dtb";
reg = <0x001e0000 0x00020000>;
};
partition@200000 {
label = "ramdisk";
reg = <0x00200000 0x01400000>;
};
partition@1600000 {
label = "jffs2";
reg = <0x01600000 0x00400000>;
};
partition@1a00000 {
label = "user";
reg = <0x01a00000 0x02540000>;
};
partition@3f40000 {
label = "env";
reg = <0x03f40000 0x00040000>;
};
partition@3f80000 {
label = "u-boot";
reg = <0x03f80000 0x00080000>;
};
};
};
UART0: serial@ef600300 {

80
arch/powerpc/configs/40x/hcu4_defconfig
View File

@ -1,80 +0,0 @@
CONFIG_40x=y
CONFIG_EXPERIMENTAL=y
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_LOG_BUF_SHIFT=14
CONFIG_BLK_DEV_INITRD=y
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
CONFIG_EXPERT=y
CONFIG_KALLSYMS_ALL=y
CONFIG_KALLSYMS_EXTRA_PASS=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
CONFIG_HCU4=y
# CONFIG_WALNUT is not set
CONFIG_SPARSE_IRQ=y
CONFIG_PCI=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_INET_LRO is not set
# CONFIG_IPV6 is not set
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_CONNECTOR=y
CONFIG_MTD=y
CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_OF_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=m
CONFIG_MTD_CFI=y
CONFIG_MTD_JEDECPROBE=y
CONFIG_MTD_CFI_AMDSTD=y
CONFIG_MTD_PHYSMAP_OF=y
CONFIG_PROC_DEVICETREE=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=35000
CONFIG_NETDEVICES=y
CONFIG_NET_ETHERNET=y
CONFIG_IBM_NEW_EMAC=y
# CONFIG_INPUT is not set
# CONFIG_SERIO is not set
# CONFIG_VT is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_SHARE_IRQ=y
CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
CONFIG_VIDEO_OUTPUT_CONTROL=m
# CONFIG_USB_SUPPORT is not set
CONFIG_EXT2_FS=y
CONFIG_INOTIFY=y
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_CRAMFS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
CONFIG_ROOT_NFS=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_FS=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DETECT_HUNG_TASK=y
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
CONFIG_SYSCTL_SYSCALL_CHECK=y
CONFIG_CRYPTO=y
CONFIG_CRYPTO_CBC=y
CONFIG_CRYPTO_ECB=y
CONFIG_CRYPTO_PCBC=y
CONFIG_CRYPTO_MD5=y
CONFIG_CRYPTO_DES=y
# CONFIG_CRYPTO_ANSI_CPRNG is not set

1
arch/powerpc/configs/ppc40x_defconfig
View File

@ -14,7 +14,6 @@ CONFIG_MODULE_UNLOAD=y
CONFIG_PPC4xx_GPIO=y
CONFIG_ACADIA=y
CONFIG_EP405=y
CONFIG_HCU4=y
CONFIG_HOTFOOT=y
CONFIG_KILAUEA=y
CONFIG_MAKALU=y

2
arch/powerpc/include/asm/kexec.h
View File

@ -2,7 +2,7 @@
#define _ASM_POWERPC_KEXEC_H
#ifdef __KERNEL__
#ifdef CONFIG_FSL_BOOKE
#if defined(CONFIG_FSL_BOOKE) || defined(CONFIG_44x)
/*
* On FSL-BookE we setup a 1:1 mapping which covers the first 2GiB of memory

171
arch/powerpc/kernel/misc_32.S
View File

@ -8,6 +8,8 @@
* kexec bits:
* Copyright (C) 2002-2003 Eric Biederman <ebiederm@xmission.com>
* GameCube/ppc32 port Copyright (C) 2004 Albert Herranz
* PPC44x port. Copyright (C) 2011, IBM Corporation
* Author: Suzuki Poulose <suzuki@in.ibm.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@ -735,6 +737,175 @@ relocate_new_kernel:
mr r4, r30
mr r5, r31
li r0, 0
#elif defined(CONFIG_44x) && !defined(CONFIG_47x)
/*
* Code for setting up 1:1 mapping for PPC440x for KEXEC
*
* We cannot switch off the MMU on PPC44x.
* So we:
* 1) Invalidate all the mappings except the one we are running from.
* 2) Create a tmp mapping for our code in the other address space(TS) and
* jump to it. Invalidate the entry we started in.
* 3) Create a 1:1 mapping for 0-2GiB in chunks of 256M in original TS.
* 4) Jump to the 1:1 mapping in original TS.
* 5) Invalidate the tmp mapping.
*
* - Based on the kexec support code for FSL BookE
* - Doesn't support 47x yet.
*
*/
/* Save our parameters */
mr r29, r3
mr r30, r4
mr r31, r5
/* Load our MSR_IS and TID to MMUCR for TLB search */
mfspr r3,SPRN_PID
mfmsr r4
andi. r4,r4,MSR_IS@l
beq wmmucr
oris r3,r3,PPC44x_MMUCR_STS@h
wmmucr:
mtspr SPRN_MMUCR,r3
sync
/*
* Invalidate all the TLB entries except the current entry
* where we are running from
*/
bl 0f /* Find our address */
0: mflr r5 /* Make it accessible */
tlbsx r23,0,r5 /* Find entry we are in */
li r4,0 /* Start at TLB entry 0 */
li r3,0 /* Set PAGEID inval value */
1: cmpw r23,r4 /* Is this our entry? */
beq skip /* If so, skip the inval */
tlbwe r3,r4,PPC44x_TLB_PAGEID /* If not, inval the entry */
skip:
addi r4,r4,1 /* Increment */
cmpwi r4,64 /* Are we done? */
bne 1b /* If not, repeat */
isync
/* Create a temp mapping and jump to it */
andi. r6, r23, 1 /* Find the index to use */
addi r24, r6, 1 /* r24 will contain 1 or 2 */
mfmsr r9 /* get the MSR */
rlwinm r5, r9, 27, 31, 31 /* Extract the MSR[IS] */
xori r7, r5, 1 /* Use the other address space */
/* Read the current mapping entries */
tlbre r3, r23, PPC44x_TLB_PAGEID
tlbre r4, r23, PPC44x_TLB_XLAT
tlbre r5, r23, PPC44x_TLB_ATTRIB
/* Save our current XLAT entry */
mr r25, r4
/* Extract the TLB PageSize */
li r10, 1 /* r10 will hold PageSize */
rlwinm r11, r3, 0, 24, 27 /* bits 24-27 */
/* XXX: As of now we use 256M, 4K pages */
cmpwi r11, PPC44x_TLB_256M
bne tlb_4k
rotlwi r10, r10, 28 /* r10 = 256M */
b write_out
tlb_4k:
cmpwi r11, PPC44x_TLB_4K
bne default
rotlwi r10, r10, 12 /* r10 = 4K */
b write_out
default:
rotlwi r10, r10, 10 /* r10 = 1K */
write_out:
/*
* Write out the tmp 1:1 mapping for this code in other address space
* Fixup EPN = RPN , TS=other address space
*/
insrwi r3, r7, 1, 23 /* Bit 23 is TS for PAGEID field */
/* Write out the tmp mapping entries */
tlbwe r3, r24, PPC44x_TLB_PAGEID
tlbwe r4, r24, PPC44x_TLB_XLAT
tlbwe r5, r24, PPC44x_TLB_ATTRIB
subi r11, r10, 1 /* PageOffset Mask = PageSize - 1 */
not r10, r11 /* Mask for PageNum */
/* Switch to other address space in MSR */
insrwi r9, r7, 1, 26 /* Set MSR[IS] = r7 */
bl 1f
1: mflr r8
addi r8, r8, (2f-1b) /* Find the target offset */
/* Jump to the tmp mapping */
mtspr SPRN_SRR0, r8
mtspr SPRN_SRR1, r9
rfi
2:
/* Invalidate the entry we were executing from */
li r3, 0
tlbwe r3, r23, PPC44x_TLB_PAGEID
/* attribute fields. rwx for SUPERVISOR mode */
li r5, 0
ori r5, r5, (PPC44x_TLB_SW | PPC44x_TLB_SR | PPC44x_TLB_SX | PPC44x_TLB_G)
/* Create 1:1 mapping in 256M pages */
xori r7, r7, 1 /* Revert back to Original TS */
li r8, 0 /* PageNumber */
li r6, 3 /* TLB Index, start at 3 */
next_tlb:
rotlwi r3, r8, 28 /* Create EPN (bits 0-3) */
mr r4, r3 /* RPN = EPN */
ori r3, r3, (PPC44x_TLB_VALID | PPC44x_TLB_256M) /* SIZE = 256M, Valid */
insrwi r3, r7, 1, 23 /* Set TS from r7 */
tlbwe r3, r6, PPC44x_TLB_PAGEID /* PageID field : EPN, V, SIZE */
tlbwe r4, r6, PPC44x_TLB_XLAT /* Address translation : RPN */
tlbwe r5, r6, PPC44x_TLB_ATTRIB /* Attributes */
addi r8, r8, 1 /* Increment PN */
addi r6, r6, 1 /* Increment TLB Index */
cmpwi r8, 8 /* Are we done ? */
bne next_tlb
isync
/* Jump to the new mapping 1:1 */
li r9,0
insrwi r9, r7, 1, 26 /* Set MSR[IS] = r7 */
bl 1f
1: mflr r8
and r8, r8, r11 /* Get our offset within page */
addi r8, r8, (2f-1b)
and r5, r25, r10 /* Get our target PageNum */
or r8, r8, r5 /* Target jump address */
mtspr SPRN_SRR0, r8
mtspr SPRN_SRR1, r9
rfi
2:
/* Invalidate the tmp entry we used */
li r3, 0
tlbwe r3, r24, PPC44x_TLB_PAGEID
sync
/* Restore the parameters */
mr r3, r29
mr r4, r30
mr r5, r31
li r0, 0
#else
li r0, 0

8
arch/powerpc/platforms/40x/Kconfig
View File

@ -32,14 +32,6 @@ config EP405
help
This option enables support for the EP405/EP405PC boards.
config HCU4
bool "Hcu4"
depends on 40x
default n
select 405GPR
help
This option enables support for the Nestal Maschinen HCU4 board.
config HOTFOOT
bool "Hotfoot"
depends on 40x

1
arch/powerpc/platforms/40x/Makefile
View File

@ -1,4 +1,3 @@
obj-$(CONFIG_HCU4) += hcu4.o
obj-$(CONFIG_WALNUT) += walnut.o
obj-$(CONFIG_XILINX_VIRTEX_GENERIC_BOARD) += virtex.o
obj-$(CONFIG_EP405) += ep405.o

61
arch/powerpc/platforms/40x/hcu4.c
View File

@ -1,61 +0,0 @@
/*
* Architecture- / platform-specific boot-time initialization code for
* IBM PowerPC 4xx based boards. Adapted from original
* code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek
* <dan@net4x.com>.
*
* Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu>
*
* Rewritten and ported to the merged powerpc tree:
* Copyright 2007 IBM Corporation
* Josh Boyer <jwboyer@linux.vnet.ibm.com>
*
* 2002 (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/init.h>
#include <linux/of_platform.h>
#include <asm/machdep.h>
#include <asm/prom.h>
#include <asm/udbg.h>
#include <asm/time.h>
#include <asm/uic.h>
#include <asm/ppc4xx.h>
static __initdata struct of_device_id hcu4_of_bus[] = {
{ .compatible = "ibm,plb3", },
{ .compatible = "ibm,opb", },
{ .compatible = "ibm,ebc", },
{},
};
static int __init hcu4_device_probe(void)
{
of_platform_bus_probe(NULL, hcu4_of_bus, NULL);
return 0;
}
machine_device_initcall(hcu4, hcu4_device_probe);
static int __init hcu4_probe(void)
{
unsigned long root = of_get_flat_dt_root();
if (!of_flat_dt_is_compatible(root, "netstal,hcu4"))
return 0;
return 1;
}
define_machine(hcu4) {
.name = "HCU4",
.probe = hcu4_probe,
.progress = udbg_progress,
.init_IRQ = uic_init_tree,
.get_irq = uic_get_irq,
.restart = ppc4xx_reset_system,
.calibrate_decr = generic_calibrate_decr,
};

89
arch/powerpc/sysdev/ppc4xx_pci.c
View File

@ -1092,6 +1092,10 @@ static int __init ppc460sx_pciex_core_init(struct device_node *np)
mtdcri(SDR0, PESDR1_460SX_HSSSLEW, 0xFFFF0000);
mtdcri(SDR0, PESDR2_460SX_HSSSLEW, 0xFFFF0000);
/* Set HSS PRBS enabled */
mtdcri(SDR0, PESDR0_460SX_HSSCTLSET, 0x00001130);
mtdcri(SDR0, PESDR2_460SX_HSSCTLSET, 0x00001130);
udelay(100);
/* De-assert PLLRESET */
@ -1132,9 +1136,6 @@ static int ppc460sx_pciex_init_port_hw(struct ppc4xx_pciex_port *port)
dcri_clrset(SDR0, port->sdr_base + PESDRn_UTLSET2,
0, 0x01000000);
/*Gen-1*/
mtdcri(SDR0, port->sdr_base + PESDRn_460SX_RCEI, 0x08000000);
dcri_clrset(SDR0, port->sdr_base + PESDRn_RCSSET,
(PESDRx_RCSSET_RSTGU | PESDRx_RCSSET_RSTDL),
PESDRx_RCSSET_RSTPYN);
@ -1148,14 +1149,42 @@ static int ppc460sx_pciex_init_utl(struct ppc4xx_pciex_port *port)
{
/* Max 128 Bytes */
out_be32 (port->utl_base + PEUTL_PBBSZ, 0x00000000);
/* Assert VRB and TXE - per datasheet turn off addr validation */
out_be32(port->utl_base + PEUTL_PCTL, 0x80800000);
return 0;
}
static void __init ppc460sx_pciex_check_link(struct ppc4xx_pciex_port *port)
{
void __iomem *mbase;
int attempt = 50;
port->link = 0;
mbase = ioremap(port->cfg_space.start + 0x10000000, 0x1000);
if (mbase == NULL) {
printk(KERN_ERR "%s: Can't map internal config space !",
port->node->full_name);
goto done;
}
while (attempt && (0 == (in_le32(mbase + PECFG_460SX_DLLSTA)
& PECFG_460SX_DLLSTA_LINKUP))) {
attempt--;
mdelay(10);
}
if (attempt)
port->link = 1;
done:
iounmap(mbase);
}
static struct ppc4xx_pciex_hwops ppc460sx_pcie_hwops __initdata = {
.core_init = ppc460sx_pciex_core_init,
.port_init_hw = ppc460sx_pciex_init_port_hw,
.setup_utl = ppc460sx_pciex_init_utl,
.check_link = ppc4xx_pciex_check_link_sdr,
.check_link = ppc460sx_pciex_check_link,
};
#endif /* CONFIG_44x */
@ -1338,15 +1367,15 @@ static int __init ppc4xx_pciex_port_init(struct ppc4xx_pciex_port *port)
if (rc != 0)
return rc;
if (ppc4xx_pciex_hwops->check_link)
ppc4xx_pciex_hwops->check_link(port);
/*
* Initialize mapping: disable all regions and configure
* CFG and REG regions based on resources in the device tree
*/
ppc4xx_pciex_port_init_mapping(port);
if (ppc4xx_pciex_hwops->check_link)
ppc4xx_pciex_hwops->check_link(port);
/*
* Map UTL
*/
@ -1360,13 +1389,23 @@ static int __init ppc4xx_pciex_port_init(struct ppc4xx_pciex_port *port)
ppc4xx_pciex_hwops->setup_utl(port);
/*
* Check for VC0 active and assert RDY.
* Check for VC0 active or PLL Locked and assert RDY.
*/
if (port->sdr_base) {
if (port->link &&
ppc4xx_pciex_wait_on_sdr(port, PESDRn_RCSSTS,
1 << 16, 1 << 16, 5000)) {
printk(KERN_INFO "PCIE%d: VC0 not active\n", port->index);
if (of_device_is_compatible(port->node,
"ibm,plb-pciex-460sx")){
if (port->link && ppc4xx_pciex_wait_on_sdr(port,
PESDRn_RCSSTS,
1 << 12, 1 << 12, 5000)) {
printk(KERN_INFO "PCIE%d: PLL not locked\n",
port->index);
port->link = 0;
}
} else if (port->link &&
ppc4xx_pciex_wait_on_sdr(port, PESDRn_RCSSTS,
1 << 16, 1 << 16, 5000)) {
printk(KERN_INFO "PCIE%d: VC0 not active\n",
port->index);
port->link = 0;
}
@ -1573,8 +1612,15 @@ static int __init ppc4xx_setup_one_pciex_POM(struct ppc4xx_pciex_port *port,
dcr_write(port->dcrs, DCRO_PEGPL_OMR1BAH, lah);
dcr_write(port->dcrs, DCRO_PEGPL_OMR1BAL, lal);
dcr_write(port->dcrs, DCRO_PEGPL_OMR1MSKH, 0x7fffffff);
/* Note that 3 here means enabled | single region */
dcr_write(port->dcrs, DCRO_PEGPL_OMR1MSKL, sa | 3);
/*Enabled and single region */
if (of_device_is_compatible(port->node, "ibm,plb-pciex-460sx"))
dcr_write(port->dcrs, DCRO_PEGPL_OMR1MSKL,
sa | DCRO_PEGPL_460SX_OMR1MSKL_UOT
| DCRO_PEGPL_OMRxMSKL_VAL);
else
dcr_write(port->dcrs, DCRO_PEGPL_OMR1MSKL,
sa | DCRO_PEGPL_OMR1MSKL_UOT
| DCRO_PEGPL_OMRxMSKL_VAL);
break;
case 1:
out_le32(mbase + PECFG_POM1LAH, pciah);
@ -1582,8 +1628,8 @@ static int __init ppc4xx_setup_one_pciex_POM(struct ppc4xx_pciex_port *port,
dcr_write(port->dcrs, DCRO_PEGPL_OMR2BAH, lah);
dcr_write(port->dcrs, DCRO_PEGPL_OMR2BAL, lal);
dcr_write(port->dcrs, DCRO_PEGPL_OMR2MSKH, 0x7fffffff);
/* Note that 3 here means enabled | single region */
dcr_write(port->dcrs, DCRO_PEGPL_OMR2MSKL, sa | 3);
dcr_write(port->dcrs, DCRO_PEGPL_OMR2MSKL,
sa | DCRO_PEGPL_OMRxMSKL_VAL);
break;
case 2:
out_le32(mbase + PECFG_POM2LAH, pciah);
@ -1592,7 +1638,9 @@ static int __init ppc4xx_setup_one_pciex_POM(struct ppc4xx_pciex_port *port,
dcr_write(port->dcrs, DCRO_PEGPL_OMR3BAL, lal);
dcr_write(port->dcrs, DCRO_PEGPL_OMR3MSKH, 0x7fffffff);
/* Note that 3 here means enabled | IO space !!! */
dcr_write(port->dcrs, DCRO_PEGPL_OMR3MSKL, sa | 3);
dcr_write(port->dcrs, DCRO_PEGPL_OMR3MSKL,
sa | DCRO_PEGPL_OMR3MSKL_IO
| DCRO_PEGPL_OMRxMSKL_VAL);
break;
}
@ -1693,6 +1741,9 @@ static void __init ppc4xx_configure_pciex_PIMs(struct ppc4xx_pciex_port *port,
if (res->flags & IORESOURCE_PREFETCH)
sa |= 0x8;
if (of_device_is_compatible(port->node, "ibm,plb-pciex-460sx"))
sa |= PCI_BASE_ADDRESS_MEM_TYPE_64;
out_le32(mbase + PECFG_BAR0HMPA, RES_TO_U32_HIGH(sa));
out_le32(mbase + PECFG_BAR0LMPA, RES_TO_U32_LOW(sa));
@ -1854,6 +1905,10 @@ static void __init ppc4xx_pciex_port_setup_hose(struct ppc4xx_pciex_port *port)
}
out_le16(mbase + 0x202, val);
/* Enable Bus master, memory, and io space */
if (of_device_is_compatible(port->node, "ibm,plb-pciex-460sx"))
out_le16(mbase + 0x204, 0x7);
if (!port->endpoint) {
/* Set Class Code to PCI-PCI bridge and Revision Id to 1 */
out_le32(mbase + 0x208, 0x06040001);

12
arch/powerpc/sysdev/ppc4xx_pci.h
View File

@ -464,6 +464,18 @@
#define PECFG_POM2LAL 0x390
#define PECFG_POM2LAH 0x394
/* 460sx only */
#define PECFG_460SX_DLLSTA 0x3f8
/* 460sx Bit Mappings */
#define PECFG_460SX_DLLSTA_LINKUP 0x00000010
#define DCRO_PEGPL_460SX_OMR1MSKL_UOT 0x00000004
/* PEGPL Bit Mappings */
#define DCRO_PEGPL_OMRxMSKL_VAL 0x00000001
#define DCRO_PEGPL_OMR1MSKL_UOT 0x00000002
#define DCRO_PEGPL_OMR3MSKL_IO 0x00000002
/* SDR Bit Mappings */
#define PESDRx_RCSSET_HLDPLB 0x10000000
#define PESDRx_RCSSET_RSTGU 0x01000000

2
drivers/edac/ppc4xx_edac.c
View File

@ -205,7 +205,7 @@ static struct platform_driver ppc4xx_edac_driver = {
.remove = ppc4xx_edac_remove,
.driver = {
.owner = THIS_MODULE,
.name = PPC4XX_EDAC_MODULE_NAME
.name = PPC4XX_EDAC_MODULE_NAME,
.of_match_table = ppc4xx_edac_match,
},
};