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path: root/arch/powerpc/platforms/ps3/system-bus.c
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Diffstat (limited to 'arch/powerpc/platforms/ps3/system-bus.c')
-rw-r--r--arch/powerpc/platforms/ps3/system-bus.c65
1 files changed, 39 insertions, 26 deletions
diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c
index ee0d2291162..5606fe36faf 100644
--- a/arch/powerpc/platforms/ps3/system-bus.c
+++ b/arch/powerpc/platforms/ps3/system-bus.c
@@ -20,13 +20,15 @@
#include <linux/kernel.h>
#include <linux/init.h>
-#include <linux/module.h>
+#include <linux/export.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
+#include <linux/slab.h>
#include <asm/udbg.h>
#include <asm/lv1call.h>
#include <asm/firmware.h>
+#include <asm/cell-regs.h>
#include "platform.h"
@@ -182,7 +184,7 @@ int ps3_open_hv_device(struct ps3_system_bus_device *dev)
case PS3_MATCH_ID_SYSTEM_MANAGER:
pr_debug("%s:%d: unsupported match_id: %u\n", __func__,
__LINE__, dev->match_id);
- pr_debug("%s:%d: bus_id: %lu\n", __func__, __LINE__,
+ pr_debug("%s:%d: bus_id: %llu\n", __func__, __LINE__,
dev->bus_id);
BUG();
return -EINVAL;
@@ -220,7 +222,7 @@ int ps3_close_hv_device(struct ps3_system_bus_device *dev)
case PS3_MATCH_ID_SYSTEM_MANAGER:
pr_debug("%s:%d: unsupported match_id: %u\n", __func__,
__LINE__, dev->match_id);
- pr_debug("%s:%d: bus_id: %lu\n", __func__, __LINE__,
+ pr_debug("%s:%d: bus_id: %llu\n", __func__, __LINE__,
dev->bus_id);
BUG();
return -EINVAL;
@@ -240,7 +242,7 @@ EXPORT_SYMBOL_GPL(ps3_close_hv_device);
static void _dump_mmio_region(const struct ps3_mmio_region* r,
const char* func, int line)
{
- pr_debug("%s:%d: dev %lu:%lu\n", func, line, r->dev->bus_id,
+ pr_debug("%s:%d: dev %llu:%llu\n", func, line, r->dev->bus_id,
r->dev->dev_id);
pr_debug("%s:%d: bus_addr %lxh\n", func, line, r->bus_addr);
pr_debug("%s:%d: len %lxh\n", func, line, r->len);
@@ -250,9 +252,11 @@ static void _dump_mmio_region(const struct ps3_mmio_region* r,
static int ps3_sb_mmio_region_create(struct ps3_mmio_region *r)
{
int result;
+ u64 lpar_addr;
result = lv1_map_device_mmio_region(r->dev->bus_id, r->dev->dev_id,
- r->bus_addr, r->len, r->page_size, &r->lpar_addr);
+ r->bus_addr, r->len, r->page_size, &lpar_addr);
+ r->lpar_addr = lpar_addr;
if (result) {
pr_debug("%s:%d: lv1_map_device_mmio_region failed: %s\n",
@@ -281,7 +285,6 @@ static int ps3_sb_free_mmio_region(struct ps3_mmio_region *r)
int result;
dump_mmio_region(r);
-;
result = lv1_unmap_device_mmio_region(r->dev->bus_id, r->dev->dev_id,
r->lpar_addr);
@@ -374,7 +377,7 @@ static int ps3_system_bus_probe(struct device *_dev)
struct ps3_system_bus_driver *drv;
BUG_ON(!dev);
- pr_debug(" -> %s:%d: %s\n", __func__, __LINE__, _dev->bus_id);
+ dev_dbg(_dev, "%s:%d\n", __func__, __LINE__);
drv = ps3_system_bus_dev_to_system_bus_drv(dev);
BUG_ON(!drv);
@@ -396,7 +399,7 @@ static int ps3_system_bus_remove(struct device *_dev)
struct ps3_system_bus_driver *drv;
BUG_ON(!dev);
- pr_debug(" -> %s:%d: %s\n", __func__, __LINE__, _dev->bus_id);
+ dev_dbg(_dev, "%s:%d\n", __func__, __LINE__);
drv = ps3_system_bus_dev_to_system_bus_drv(dev);
BUG_ON(!drv);
@@ -512,7 +515,8 @@ core_initcall(ps3_system_bus_init);
* to the dma address (mapping) of the first page.
*/
static void * ps3_alloc_coherent(struct device *_dev, size_t size,
- dma_addr_t *dma_handle, gfp_t flag)
+ dma_addr_t *dma_handle, gfp_t flag,
+ struct dma_attrs *attrs)
{
int result;
struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
@@ -529,7 +533,8 @@ static void * ps3_alloc_coherent(struct device *_dev, size_t size,
}
result = ps3_dma_map(dev->d_region, virt_addr, size, dma_handle,
- IOPTE_PP_W | IOPTE_PP_R | IOPTE_SO_RW | IOPTE_M);
+ CBE_IOPTE_PP_W | CBE_IOPTE_PP_R |
+ CBE_IOPTE_SO_RW | CBE_IOPTE_M);
if (result) {
pr_debug("%s:%d: ps3_dma_map failed (%d)\n",
@@ -548,7 +553,7 @@ clean_none:
}
static void ps3_free_coherent(struct device *_dev, size_t size, void *vaddr,
- dma_addr_t dma_handle)
+ dma_addr_t dma_handle, struct dma_attrs *attrs)
{
struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
@@ -568,12 +573,13 @@ static dma_addr_t ps3_sb_map_page(struct device *_dev, struct page *page,
{
struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
int result;
- unsigned long bus_addr;
+ dma_addr_t bus_addr;
void *ptr = page_address(page) + offset;
result = ps3_dma_map(dev->d_region, (unsigned long)ptr, size,
&bus_addr,
- IOPTE_PP_R | IOPTE_PP_W | IOPTE_SO_RW | IOPTE_M);
+ CBE_IOPTE_PP_R | CBE_IOPTE_PP_W |
+ CBE_IOPTE_SO_RW | CBE_IOPTE_M);
if (result) {
pr_debug("%s:%d: ps3_dma_map failed (%d)\n",
@@ -590,20 +596,20 @@ static dma_addr_t ps3_ioc0_map_page(struct device *_dev, struct page *page,
{
struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
int result;
- unsigned long bus_addr;
+ dma_addr_t bus_addr;
u64 iopte_flag;
void *ptr = page_address(page) + offset;
- iopte_flag = IOPTE_M;
+ iopte_flag = CBE_IOPTE_M;
switch (direction) {
case DMA_BIDIRECTIONAL:
- iopte_flag |= IOPTE_PP_R | IOPTE_PP_W | IOPTE_SO_RW;
+ iopte_flag |= CBE_IOPTE_PP_R | CBE_IOPTE_PP_W | CBE_IOPTE_SO_RW;
break;
case DMA_TO_DEVICE:
- iopte_flag |= IOPTE_PP_R | IOPTE_SO_R;
+ iopte_flag |= CBE_IOPTE_PP_R | CBE_IOPTE_SO_R;
break;
case DMA_FROM_DEVICE:
- iopte_flag |= IOPTE_PP_W | IOPTE_SO_RW;
+ iopte_flag |= CBE_IOPTE_PP_W | CBE_IOPTE_SO_RW;
break;
default:
/* not happned */
@@ -687,25 +693,32 @@ static void ps3_ioc0_unmap_sg(struct device *_dev, struct scatterlist *sg,
static int ps3_dma_supported(struct device *_dev, u64 mask)
{
- return mask >= DMA_32BIT_MASK;
+ return mask >= DMA_BIT_MASK(32);
}
-static struct dma_mapping_ops ps3_sb_dma_ops = {
- .alloc_coherent = ps3_alloc_coherent,
- .free_coherent = ps3_free_coherent,
+static u64 ps3_dma_get_required_mask(struct device *_dev)
+{
+ return DMA_BIT_MASK(32);
+}
+
+static struct dma_map_ops ps3_sb_dma_ops = {
+ .alloc = ps3_alloc_coherent,
+ .free = ps3_free_coherent,
.map_sg = ps3_sb_map_sg,
.unmap_sg = ps3_sb_unmap_sg,
.dma_supported = ps3_dma_supported,
+ .get_required_mask = ps3_dma_get_required_mask,
.map_page = ps3_sb_map_page,
.unmap_page = ps3_unmap_page,
};
-static struct dma_mapping_ops ps3_ioc0_dma_ops = {
- .alloc_coherent = ps3_alloc_coherent,
- .free_coherent = ps3_free_coherent,
+static struct dma_map_ops ps3_ioc0_dma_ops = {
+ .alloc = ps3_alloc_coherent,
+ .free = ps3_free_coherent,
.map_sg = ps3_ioc0_map_sg,
.unmap_sg = ps3_ioc0_unmap_sg,
.dma_supported = ps3_dma_supported,
+ .get_required_mask = ps3_dma_get_required_mask,
.map_page = ps3_ioc0_map_page,
.unmap_page = ps3_unmap_page,
};
@@ -761,7 +774,7 @@ int ps3_system_bus_device_register(struct ps3_system_bus_device *dev)
BUG();
};
- dev->core.archdata.of_node = NULL;
+ dev->core.of_node = NULL;
set_dev_node(&dev->core, 0);
pr_debug("%s:%d add %s\n", __func__, __LINE__, dev_name(&dev->core));
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-08 19:28:02 +0000