aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/platforms
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms')
-rw-r--r--arch/powerpc/platforms/chrp/Makefile2
-rw-r--r--arch/powerpc/platforms/chrp/nvram.c14
-rw-r--r--arch/powerpc/platforms/chrp/setup.c5
-rw-r--r--arch/powerpc/platforms/pasemi/iommu.c8
-rw-r--r--arch/powerpc/platforms/powermac/Makefile2
-rw-r--r--arch/powerpc/platforms/powermac/nvram.c12
-rw-r--r--arch/powerpc/platforms/powermac/setup.c3
-rw-r--r--arch/powerpc/platforms/powermac/time.c2
-rw-r--r--arch/powerpc/platforms/powernv/memtrace.c5
-rw-r--r--arch/powerpc/platforms/powernv/opal.c6
-rw-r--r--arch/powerpc/platforms/powernv/pci-ioda.c10
-rw-r--r--arch/powerpc/platforms/powernv/pci.c2
-rw-r--r--arch/powerpc/platforms/ps3/setup.c3
-rw-r--r--arch/powerpc/platforms/pseries/ibmebus.c10
-rw-r--r--arch/powerpc/platforms/pseries/nvram.c2
-rw-r--r--arch/powerpc/platforms/pseries/setup.c18
16 files changed, 73 insertions, 31 deletions
diff --git a/arch/powerpc/platforms/chrp/Makefile b/arch/powerpc/platforms/chrp/Makefile
index 4b3bfadc70fa..dc3465cc8bc6 100644
--- a/arch/powerpc/platforms/chrp/Makefile
+++ b/arch/powerpc/platforms/chrp/Makefile
@@ -1,3 +1,3 @@
obj-y += setup.o time.o pegasos_eth.o pci.o
obj-$(CONFIG_SMP) += smp.o
-obj-$(CONFIG_NVRAM) += nvram.o
+obj-$(CONFIG_NVRAM:m=y) += nvram.o
diff --git a/arch/powerpc/platforms/chrp/nvram.c b/arch/powerpc/platforms/chrp/nvram.c
index 791b86398e1d..37ac20ccbb19 100644
--- a/arch/powerpc/platforms/chrp/nvram.c
+++ b/arch/powerpc/platforms/chrp/nvram.c
@@ -24,7 +24,7 @@ static unsigned int nvram_size;
static unsigned char nvram_buf[4];
static DEFINE_SPINLOCK(nvram_lock);
-static unsigned char chrp_nvram_read(int addr)
+static unsigned char chrp_nvram_read_val(int addr)
{
unsigned int done;
unsigned long flags;
@@ -46,7 +46,7 @@ static unsigned char chrp_nvram_read(int addr)
return ret;
}
-static void chrp_nvram_write(int addr, unsigned char val)
+static void chrp_nvram_write_val(int addr, unsigned char val)
{
unsigned int done;
unsigned long flags;
@@ -64,6 +64,11 @@ static void chrp_nvram_write(int addr, unsigned char val)
spin_unlock_irqrestore(&nvram_lock, flags);
}
+static ssize_t chrp_nvram_size(void)
+{
+ return nvram_size;
+}
+
void __init chrp_nvram_init(void)
{
struct device_node *nvram;
@@ -85,8 +90,9 @@ void __init chrp_nvram_init(void)
printk(KERN_INFO "CHRP nvram contains %u bytes\n", nvram_size);
of_node_put(nvram);
- ppc_md.nvram_read_val = chrp_nvram_read;
- ppc_md.nvram_write_val = chrp_nvram_write;
+ ppc_md.nvram_read_val = chrp_nvram_read_val;
+ ppc_md.nvram_write_val = chrp_nvram_write_val;
+ ppc_md.nvram_size = chrp_nvram_size;
return;
}
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index e66644e0fb40..fcf6f2342ef4 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -538,8 +538,7 @@ static void __init chrp_init_IRQ(void)
/* see if there is a keyboard in the device tree
with a parent of type "adb" */
for_each_node_by_name(kbd, "keyboard")
- if (kbd->parent && kbd->parent->type
- && strcmp(kbd->parent->type, "adb") == 0)
+ if (of_node_is_type(kbd->parent, "adb"))
break;
of_node_put(kbd);
if (kbd)
@@ -550,7 +549,7 @@ static void __init chrp_init_IRQ(void)
static void __init
chrp_init2(void)
{
-#ifdef CONFIG_NVRAM
+#if IS_ENABLED(CONFIG_NVRAM)
chrp_nvram_init();
#endif
diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c
index bbeb6a1b0393..044c6089462c 100644
--- a/arch/powerpc/platforms/pasemi/iommu.c
+++ b/arch/powerpc/platforms/pasemi/iommu.c
@@ -208,7 +208,12 @@ static int __init iob_init(struct device_node *dn)
pr_debug(" -> %s\n", __func__);
/* For 2G space, 8x64 pages (2^21 bytes) is max total l2 size */
- iob_l2_base = (u32 *)__va(memblock_alloc_base(1UL<<21, 1UL<<21, 0x80000000));
+ iob_l2_base = memblock_alloc_try_nid_raw(1UL << 21, 1UL << 21,
+ MEMBLOCK_LOW_LIMIT, 0x80000000,
+ NUMA_NO_NODE);
+ if (!iob_l2_base)
+ panic("%s: Failed to allocate %lu bytes align=0x%lx max_addr=%x\n",
+ __func__, 1UL << 21, 1UL << 21, 0x80000000);
pr_info("IOBMAP L2 allocated at: %p\n", iob_l2_base);
@@ -269,4 +274,3 @@ void __init iommu_init_early_pasemi(void)
pasemi_pci_controller_ops.dma_bus_setup = pci_dma_bus_setup_pasemi;
set_pci_dma_ops(&dma_iommu_ops);
}
-
diff --git a/arch/powerpc/platforms/powermac/Makefile b/arch/powerpc/platforms/powermac/Makefile
index 923bfb340433..20ebf35d7913 100644
--- a/arch/powerpc/platforms/powermac/Makefile
+++ b/arch/powerpc/platforms/powermac/Makefile
@@ -15,7 +15,5 @@ obj-$(CONFIG_PMAC_BACKLIGHT) += backlight.o
# need this to be a bool. Cheat here and pretend CONFIG_NVRAM=m is really
# CONFIG_NVRAM=y
obj-$(CONFIG_NVRAM:m=y) += nvram.o
-# ppc64 pmac doesn't define CONFIG_NVRAM but needs nvram stuff
-obj-$(CONFIG_PPC64) += nvram.o
obj-$(CONFIG_PPC32) += bootx_init.o
obj-$(CONFIG_SMP) += smp.o
diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c
index ae54d7fe68f3..86989c5779c2 100644
--- a/arch/powerpc/platforms/powermac/nvram.c
+++ b/arch/powerpc/platforms/powermac/nvram.c
@@ -147,6 +147,11 @@ static ssize_t core99_nvram_size(void)
static volatile unsigned char __iomem *nvram_addr;
static int nvram_mult;
+static ssize_t ppc32_nvram_size(void)
+{
+ return NVRAM_SIZE;
+}
+
static unsigned char direct_nvram_read_byte(int addr)
{
return in_8(&nvram_data[(addr & (NVRAM_SIZE - 1)) * nvram_mult]);
@@ -514,6 +519,9 @@ static int __init core99_nvram_setup(struct device_node *dp, unsigned long addr)
return -EINVAL;
}
nvram_image = memblock_alloc(NVRAM_SIZE, SMP_CACHE_BYTES);
+ if (!nvram_image)
+ panic("%s: Failed to allocate %u bytes\n", __func__,
+ NVRAM_SIZE);
nvram_data = ioremap(addr, NVRAM_SIZE*2);
nvram_naddrs = 1; /* Make sure we get the correct case */
@@ -590,21 +598,25 @@ int __init pmac_nvram_init(void)
nvram_mult = 1;
ppc_md.nvram_read_val = direct_nvram_read_byte;
ppc_md.nvram_write_val = direct_nvram_write_byte;
+ ppc_md.nvram_size = ppc32_nvram_size;
} else if (nvram_naddrs == 1) {
nvram_data = ioremap(r1.start, s1);
nvram_mult = (s1 + NVRAM_SIZE - 1) / NVRAM_SIZE;
ppc_md.nvram_read_val = direct_nvram_read_byte;
ppc_md.nvram_write_val = direct_nvram_write_byte;
+ ppc_md.nvram_size = ppc32_nvram_size;
} else if (nvram_naddrs == 2) {
nvram_addr = ioremap(r1.start, s1);
nvram_data = ioremap(r2.start, s2);
ppc_md.nvram_read_val = indirect_nvram_read_byte;
ppc_md.nvram_write_val = indirect_nvram_write_byte;
+ ppc_md.nvram_size = ppc32_nvram_size;
} else if (nvram_naddrs == 0 && sys_ctrler == SYS_CTRLER_PMU) {
#ifdef CONFIG_ADB_PMU
nvram_naddrs = -1;
ppc_md.nvram_read_val = pmu_nvram_read_byte;
ppc_md.nvram_write_val = pmu_nvram_write_byte;
+ ppc_md.nvram_size = ppc32_nvram_size;
#endif /* CONFIG_ADB_PMU */
} else {
printk(KERN_ERR "Incompatible type of NVRAM\n");
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 2e8221e20ee8..b7efcf336589 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -316,8 +316,7 @@ static void __init pmac_setup_arch(void)
find_via_pmu();
smu_init();
-#if defined(CONFIG_NVRAM) || defined(CONFIG_NVRAM_MODULE) || \
- defined(CONFIG_PPC64)
+#if IS_ENABLED(CONFIG_NVRAM)
pmac_nvram_init();
#endif
#ifdef CONFIG_PPC32
diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c
index f157e3d071f2..b36ddee17c87 100644
--- a/arch/powerpc/platforms/powermac/time.c
+++ b/arch/powerpc/platforms/powermac/time.c
@@ -68,7 +68,7 @@
long __init pmac_time_init(void)
{
s32 delta = 0;
-#ifdef CONFIG_NVRAM
+#if defined(CONFIG_NVRAM) && defined(CONFIG_PPC32)
int dst;
delta = ((s32)pmac_xpram_read(PMAC_XPRAM_MACHINE_LOC + 0x9)) << 16;
diff --git a/arch/powerpc/platforms/powernv/memtrace.c b/arch/powerpc/platforms/powernv/memtrace.c
index 84d038ed3882..248a38ad25c7 100644
--- a/arch/powerpc/platforms/powernv/memtrace.c
+++ b/arch/powerpc/platforms/powernv/memtrace.c
@@ -20,6 +20,7 @@
#include <linux/slab.h>
#include <linux/memory.h>
#include <linux/memory_hotplug.h>
+#include <linux/numa.h>
#include <asm/machdep.h>
#include <asm/debugfs.h>
@@ -223,7 +224,7 @@ static int memtrace_online(void)
ent = &memtrace_array[i];
/* We have onlined this chunk previously */
- if (ent->nid == -1)
+ if (ent->nid == NUMA_NO_NODE)
continue;
/* Remove from io mappings */
@@ -257,7 +258,7 @@ static int memtrace_online(void)
*/
debugfs_remove_recursive(ent->dir);
pr_info("Added trace memory back to node %d\n", ent->nid);
- ent->size = ent->start = ent->nid = -1;
+ ent->size = ent->start = ent->nid = NUMA_NO_NODE;
}
if (ret)
return ret;
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 2ca3ba95f8aa..2b0eca104f86 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -170,8 +170,10 @@ int __init early_init_dt_scan_recoverable_ranges(unsigned long node,
/*
* Allocate a buffer to hold the MC recoverable ranges.
*/
- mc_recoverable_range =__va(memblock_phys_alloc(size, __alignof__(u64)));
- memset(mc_recoverable_range, 0, size);
+ mc_recoverable_range = memblock_alloc(size, __alignof__(u64));
+ if (!mc_recoverable_range)
+ panic("%s: Failed to allocate %u bytes align=0x%lx\n",
+ __func__, size, __alignof__(u64));
for (i = 0; i < mc_recoverable_range_len; i++) {
mc_recoverable_range[i].start_addr =
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index f1ce39f64329..3ead4c237ed0 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -1593,6 +1593,8 @@ static void pnv_ioda_setup_vf_PE(struct pci_dev *pdev, u16 num_vfs)
pnv_pci_ioda2_setup_dma_pe(phb, pe);
#ifdef CONFIG_IOMMU_API
+ iommu_register_group(&pe->table_group,
+ pe->phb->hose->global_number, pe->pe_number);
pnv_ioda_setup_bus_iommu_group(pe, &pe->table_group, NULL);
#endif
}
@@ -3655,6 +3657,9 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
pr_debug(" PHB-ID : 0x%016llx\n", phb_id);
phb = memblock_alloc(sizeof(*phb), SMP_CACHE_BYTES);
+ if (!phb)
+ panic("%s: Failed to allocate %zu bytes\n", __func__,
+ sizeof(*phb));
/* Allocate PCI controller */
phb->hose = hose = pcibios_alloc_controller(np);
@@ -3701,6 +3706,9 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
phb->diag_data_size = PNV_PCI_DIAG_BUF_SIZE;
phb->diag_data = memblock_alloc(phb->diag_data_size, SMP_CACHE_BYTES);
+ if (!phb->diag_data)
+ panic("%s: Failed to allocate %u bytes\n", __func__,
+ phb->diag_data_size);
/* Parse 32-bit and IO ranges (if any) */
pci_process_bridge_OF_ranges(hose, np, !hose->global_number);
@@ -3760,6 +3768,8 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
pemap_off = size;
size += phb->ioda.total_pe_num * sizeof(struct pnv_ioda_pe);
aux = memblock_alloc(size, SMP_CACHE_BYTES);
+ if (!aux)
+ panic("%s: Failed to allocate %lu bytes\n", __func__, size);
phb->ioda.pe_alloc = aux;
phb->ioda.m64_segmap = aux + m64map_off;
phb->ioda.m32_segmap = aux + m32map_off;
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index 45fb70b4bfa7..ef9448a907c6 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -1147,6 +1147,8 @@ static int pnv_tce_iommu_bus_notifier(struct notifier_block *nb,
return 0;
pe = &phb->ioda.pe_array[pdn->pe_number];
+ if (!pe->table_group.group)
+ return 0;
iommu_add_device(&pe->table_group, dev);
return 0;
case BUS_NOTIFY_DEL_DEVICE:
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
index 658bfab3350b..4ce5458eb0f8 100644
--- a/arch/powerpc/platforms/ps3/setup.c
+++ b/arch/powerpc/platforms/ps3/setup.c
@@ -127,6 +127,9 @@ static void __init prealloc(struct ps3_prealloc *p)
return;
p->address = memblock_alloc(p->size, p->align);
+ if (!p->address)
+ panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
+ __func__, p->size, p->align);
printk(KERN_INFO "%s: %lu bytes at %p\n", p->name, p->size,
p->address);
diff --git a/arch/powerpc/platforms/pseries/ibmebus.c b/arch/powerpc/platforms/pseries/ibmebus.c
index 5b4a56131904..84e8ec4011ba 100644
--- a/arch/powerpc/platforms/pseries/ibmebus.c
+++ b/arch/powerpc/platforms/pseries/ibmebus.c
@@ -261,8 +261,7 @@ static char *ibmebus_chomp(const char *in, size_t count)
return out;
}
-static ssize_t ibmebus_store_probe(struct bus_type *bus,
- const char *buf, size_t count)
+static ssize_t probe_store(struct bus_type *bus, const char *buf, size_t count)
{
struct device_node *dn = NULL;
struct device *dev;
@@ -298,10 +297,9 @@ out:
return rc;
return count;
}
-static BUS_ATTR(probe, 0200, NULL, ibmebus_store_probe);
+static BUS_ATTR_WO(probe);
-static ssize_t ibmebus_store_remove(struct bus_type *bus,
- const char *buf, size_t count)
+static ssize_t remove_store(struct bus_type *bus, const char *buf, size_t count)
{
struct device *dev;
char *path;
@@ -325,7 +323,7 @@ static ssize_t ibmebus_store_remove(struct bus_type *bus,
return -ENODEV;
}
}
-static BUS_ATTR(remove, 0200, NULL, ibmebus_store_remove);
+static BUS_ATTR_WO(remove);
static struct attribute *ibmbus_bus_attrs[] = {
&bus_attr_probe.attr,
diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
index 69cedc1b3b8a..1136a38ff039 100644
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -7,8 +7,6 @@
* 2 of the License, or (at your option) any later version.
*
* /dev/nvram driver for PPC64
- *
- * This perhaps should live in drivers/char
*/
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 41f62ca27c63..e4f0dfd4ae33 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -130,8 +130,13 @@ static void __init fwnmi_init(void)
* It will be used in real mode mce handler, hence it needs to be
* below RMA.
*/
- mce_data_buf = __va(memblock_alloc_base(RTAS_ERROR_LOG_MAX * nr_cpus,
- RTAS_ERROR_LOG_MAX, ppc64_rma_size));
+ mce_data_buf = memblock_alloc_try_nid_raw(RTAS_ERROR_LOG_MAX * nr_cpus,
+ RTAS_ERROR_LOG_MAX, MEMBLOCK_LOW_LIMIT,
+ ppc64_rma_size, NUMA_NO_NODE);
+ if (!mce_data_buf)
+ panic("Failed to allocate %d bytes below %pa for MCE buffer\n",
+ RTAS_ERROR_LOG_MAX * nr_cpus, &ppc64_rma_size);
+
for_each_possible_cpu(i) {
paca_ptrs[i]->mce_data_buf = mce_data_buf +
(RTAS_ERROR_LOG_MAX * i);
@@ -140,8 +145,13 @@ static void __init fwnmi_init(void)
#ifdef CONFIG_PPC_BOOK3S_64
/* Allocate per cpu slb area to save old slb contents during MCE */
size = sizeof(struct slb_entry) * mmu_slb_size * nr_cpus;
- slb_ptr = __va(memblock_alloc_base(size, sizeof(struct slb_entry),
- ppc64_rma_size));
+ slb_ptr = memblock_alloc_try_nid_raw(size, sizeof(struct slb_entry),
+ MEMBLOCK_LOW_LIMIT, ppc64_rma_size,
+ NUMA_NO_NODE);
+ if (!slb_ptr)
+ panic("Failed to allocate %zu bytes below %pa for slb area\n",
+ size, &ppc64_rma_size);
+
for_each_possible_cpu(i)
paca_ptrs[i]->mce_faulty_slbs = slb_ptr + (mmu_slb_size * i);
#endif
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.