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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-11-26 09:25:25 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-11-26 09:25:25 +1100
commit3991782ea3e41412f8a665cd6ce66943d76aff8a (patch)
treecb4287612e4a23a2f663a9be910ff9cb8365563b /arch
parent2a859ab07b6ab66f4134c4fffc341398bd3d328c (diff)
parent1723d90915d4689fa2e8cd4151d45ea38c96cb99 (diff)
downloadblackbird-op-linux-3991782ea3e41412f8a665cd6ce66943d76aff8a.tar.gz
blackbird-op-linux-3991782ea3e41412f8a665cd6ce66943d76aff8a.zip
Merge remote-tracking branch 'kumar/next' into next
Freescale updates from Kumar
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/boot/dts/fsl/p5020si-post.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi6
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi85
-rw-r--r--arch/powerpc/include/asm/fsl_guts.h4
-rw-r--r--arch/powerpc/platforms/85xx/p1022_ds.c2
-rw-r--r--arch/powerpc/platforms/85xx/smp.c49
-rw-r--r--arch/powerpc/platforms/86xx/mpc8610_hpcd.c2
-rw-r--r--arch/powerpc/sysdev/fsl_pci.c37
8 files changed, 169 insertions, 17 deletions
diff --git a/arch/powerpc/boot/dts/fsl/p5020si-post.dtsi b/arch/powerpc/boot/dts/fsl/p5020si-post.dtsi
index 64b6abea8464..5d7205b7bb05 100644
--- a/arch/powerpc/boot/dts/fsl/p5020si-post.dtsi
+++ b/arch/powerpc/boot/dts/fsl/p5020si-post.dtsi
@@ -354,4 +354,5 @@
/include/ "qoriq-sata2-0.dtsi"
/include/ "qoriq-sata2-1.dtsi"
/include/ "qoriq-sec4.2-0.dtsi"
+/include/ "qoriq-raid1.0-0.dtsi"
};
diff --git a/arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi b/arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi
index 0a198b0a77e5..8df47fc45ab5 100644
--- a/arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi
+++ b/arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi
@@ -73,6 +73,12 @@
rtic_c = &rtic_c;
rtic_d = &rtic_d;
sec_mon = &sec_mon;
+
+ raideng = &raideng;
+ raideng_jr0 = &raideng_jr0;
+ raideng_jr1 = &raideng_jr1;
+ raideng_jr2 = &raideng_jr2;
+ raideng_jr3 = &raideng_jr3;
};
cpus {
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi
new file mode 100644
index 000000000000..8d2e8aa6cf8a
--- /dev/null
+++ b/arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi
@@ -0,0 +1,85 @@
+/*
+ * QorIQ RAID 1.0 device tree stub [ controller @ offset 0x320000 ]
+ *
+ * Copyright 2012 Freescale Semiconductor Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+raideng: raideng@320000 {
+ compatible = "fsl,raideng-v1.0";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x320000 0x10000>;
+ ranges = <0 0x320000 0x10000>;
+
+ raideng_jq0@1000 {
+ compatible = "fsl,raideng-v1.0-job-queue";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x1000 0x1000>;
+ ranges = <0x0 0x1000 0x1000>;
+
+ raideng_jr0: jr@0 {
+ compatible = "fsl,raideng-v1.0-job-ring", "fsl,raideng-v1.0-hp-ring";
+ reg = <0x0 0x400>;
+ interrupts = <139 2 0 0>;
+ interrupt-parent = <&mpic>;
+ };
+
+ raideng_jr1: jr@400 {
+ compatible = "fsl,raideng-v1.0-job-ring", "fsl,raideng-v1.0-lp-ring";
+ reg = <0x400 0x400>;
+ interrupts = <140 2 0 0>;
+ interrupt-parent = <&mpic>;
+ };
+ };
+
+ raideng_jq1@2000 {
+ compatible = "fsl,raideng-v1.0-job-queue";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x2000 0x1000>;
+ ranges = <0x0 0x2000 0x1000>;
+
+ raideng_jr2: jr@0 {
+ compatible = "fsl,raideng-v1.0-job-ring", "fsl,raideng-v1.0-hp-ring";
+ reg = <0x0 0x400>;
+ interrupts = <141 2 0 0>;
+ interrupt-parent = <&mpic>;
+ };
+
+ raideng_jr3: jr@400 {
+ compatible = "fsl,raideng-v1.0-job-ring", "fsl,raideng-v1.0-lp-ring";
+ reg = <0x400 0x400>;
+ interrupts = <142 2 0 0>;
+ interrupt-parent = <&mpic>;
+ };
+ };
+};
diff --git a/arch/powerpc/include/asm/fsl_guts.h b/arch/powerpc/include/asm/fsl_guts.h
index dd5ba2c22771..77ced0b3d81d 100644
--- a/arch/powerpc/include/asm/fsl_guts.h
+++ b/arch/powerpc/include/asm/fsl_guts.h
@@ -71,7 +71,9 @@ struct ccsr_guts {
u8 res0c4[0x224 - 0xc4];
__be32 iodelay1; /* 0x.0224 - IO delay control register 1 */
__be32 iodelay2; /* 0x.0228 - IO delay control register 2 */
- u8 res22c[0x800 - 0x22c];
+ u8 res22c[0x604 - 0x22c];
+ __be32 pamubypenr; /* 0x.604 - PAMU bypass enable register */
+ u8 res608[0x800 - 0x608];
__be32 clkdvdr; /* 0x.0800 - Clock Divide Register */
u8 res804[0x900 - 0x804];
__be32 ircr; /* 0x.0900 - Infrared Control Register */
diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c
index 8fb12570b2f5..7328b8d74129 100644
--- a/arch/powerpc/platforms/85xx/p1022_ds.c
+++ b/arch/powerpc/platforms/85xx/p1022_ds.c
@@ -249,7 +249,7 @@ static void p1022ds_set_monitor_port(enum fsl_diu_monitor_port port)
goto exit;
}
- iprop = of_get_property(law_node, "fsl,num-laws", 0);
+ iprop = of_get_property(law_node, "fsl,num-laws", NULL);
if (!iprop) {
pr_err("p1022ds: LAW node is missing fsl,num-laws property\n");
goto exit;
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c
index 6fcfa12e5c56..148c2f2d9780 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -128,6 +128,19 @@ static void __cpuinit smp_85xx_mach_cpu_die(void)
}
#endif
+static inline void flush_spin_table(void *spin_table)
+{
+ flush_dcache_range((ulong)spin_table,
+ (ulong)spin_table + sizeof(struct epapr_spin_table));
+}
+
+static inline u32 read_spin_table_addr_l(void *spin_table)
+{
+ flush_dcache_range((ulong)spin_table,
+ (ulong)spin_table + sizeof(struct epapr_spin_table));
+ return in_be32(&((struct epapr_spin_table *)spin_table)->addr_l);
+}
+
static int __cpuinit smp_85xx_kick_cpu(int nr)
{
unsigned long flags;
@@ -161,8 +174,8 @@ static int __cpuinit smp_85xx_kick_cpu(int nr)
/* Map the spin table */
if (ioremappable)
- spin_table = ioremap(*cpu_rel_addr,
- sizeof(struct epapr_spin_table));
+ spin_table = ioremap_prot(*cpu_rel_addr,
+ sizeof(struct epapr_spin_table), _PAGE_COHERENT);
else
spin_table = phys_to_virt(*cpu_rel_addr);
@@ -173,7 +186,16 @@ static int __cpuinit smp_85xx_kick_cpu(int nr)
generic_set_cpu_up(nr);
if (system_state == SYSTEM_RUNNING) {
+ /*
+ * To keep it compatible with old boot program which uses
+ * cache-inhibit spin table, we need to flush the cache
+ * before accessing spin table to invalidate any staled data.
+ * We also need to flush the cache after writing to spin
+ * table to push data out.
+ */
+ flush_spin_table(spin_table);
out_be32(&spin_table->addr_l, 0);
+ flush_spin_table(spin_table);
/*
* We don't set the BPTR register here since it already points
@@ -181,9 +203,14 @@ static int __cpuinit smp_85xx_kick_cpu(int nr)
*/
mpic_reset_core(hw_cpu);
- /* wait until core is ready... */
- if (!spin_event_timeout(in_be32(&spin_table->addr_l) == 1,
- 10000, 100)) {
+ /*
+ * wait until core is ready...
+ * We need to invalidate the stale data, in case the boot
+ * loader uses a cache-inhibited spin table.
+ */
+ if (!spin_event_timeout(
+ read_spin_table_addr_l(spin_table) == 1,
+ 10000, 100)) {
pr_err("%s: timeout waiting for core %d to reset\n",
__func__, hw_cpu);
ret = -ENOENT;
@@ -194,12 +221,10 @@ static int __cpuinit smp_85xx_kick_cpu(int nr)
__secondary_hold_acknowledge = -1;
}
#endif
+ flush_spin_table(spin_table);
out_be32(&spin_table->pir, hw_cpu);
out_be32(&spin_table->addr_l, __pa(__early_start));
-
- if (!ioremappable)
- flush_dcache_range((ulong)spin_table,
- (ulong)spin_table + sizeof(struct epapr_spin_table));
+ flush_spin_table(spin_table);
/* Wait a bit for the CPU to ack. */
if (!spin_event_timeout(__secondary_hold_acknowledge == hw_cpu,
@@ -213,13 +238,11 @@ out:
#else
smp_generic_kick_cpu(nr);
+ flush_spin_table(spin_table);
out_be32(&spin_table->pir, hw_cpu);
out_be64((u64 *)(&spin_table->addr_h),
__pa((u64)*((unsigned long long *)generic_secondary_smp_init)));
-
- if (!ioremappable)
- flush_dcache_range((ulong)spin_table,
- (ulong)spin_table + sizeof(struct epapr_spin_table));
+ flush_spin_table(spin_table);
#endif
local_irq_restore(flags);
diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
index a817398a56da..04d9d317f741 100644
--- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
+++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
@@ -353,5 +353,7 @@ define_machine(mpc86xx_hpcd) {
.time_init = mpc86xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
+#ifdef CONFIG_PCI
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
+#endif
};
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index ffb93ae9379b..b96885b4e996 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -89,7 +89,7 @@ static int fsl_pci_dma_set_mask(struct device *dev, u64 dma_mask)
return 0;
}
-static int __init setup_one_atmu(struct ccsr_pci __iomem *pci,
+static int setup_one_atmu(struct ccsr_pci __iomem *pci,
unsigned int index, const struct resource *res,
resource_size_t offset)
{
@@ -126,7 +126,7 @@ static int __init setup_one_atmu(struct ccsr_pci __iomem *pci,
}
/* atmu setup for fsl pci/pcie controller */
-static void __init setup_pci_atmu(struct pci_controller *hose,
+static void setup_pci_atmu(struct pci_controller *hose,
struct resource *rsrc)
{
struct ccsr_pci __iomem *pci;
@@ -902,9 +902,42 @@ static int __devinit fsl_pci_probe(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM
+static int fsl_pci_resume(struct device *dev)
+{
+ struct pci_controller *hose;
+ struct resource pci_rsrc;
+
+ hose = pci_find_hose_for_OF_device(dev->of_node);
+ if (!hose)
+ return -ENODEV;
+
+ if (of_address_to_resource(dev->of_node, 0, &pci_rsrc)) {
+ dev_err(dev, "Get pci register base failed.");
+ return -ENODEV;
+ }
+
+ setup_pci_atmu(hose, &pci_rsrc);
+
+ return 0;
+}
+
+static const struct dev_pm_ops pci_pm_ops = {
+ .resume = fsl_pci_resume,
+};
+
+#define PCI_PM_OPS (&pci_pm_ops)
+
+#else
+
+#define PCI_PM_OPS NULL
+
+#endif
+
static struct platform_driver fsl_pci_driver = {
.driver = {
.name = "fsl-pci",
+ .pm = PCI_PM_OPS,
.of_match_table = pci_ids,
},
.probe = fsl_pci_probe,
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