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-rw-r--r--drivers/parisc/Kconfig24
-rw-r--r--drivers/parisc/ccio-dma.c29
-rw-r--r--drivers/parisc/dino.c11
-rw-r--r--drivers/parisc/eisa.c2
-rw-r--r--drivers/parisc/hppb.c2
-rw-r--r--drivers/parisc/iommu.h55
-rw-r--r--drivers/parisc/iosapic.c11
-rw-r--r--drivers/parisc/lba_pci.c30
-rw-r--r--drivers/parisc/sba_iommu.c16
9 files changed, 104 insertions, 76 deletions
diff --git a/drivers/parisc/Kconfig b/drivers/parisc/Kconfig
index 5a48b5606110..74e119adca01 100644
--- a/drivers/parisc/Kconfig
+++ b/drivers/parisc/Kconfig
@@ -2,6 +2,7 @@ menu "Bus options (PCI, PCMCIA, EISA, GSC, ISA)"
config GSC
bool "VSC/GSC/HSC bus support"
+ select HAVE_EISA
default y
help
The VSC, GSC and HSC busses were used from the earliest 700-series
@@ -46,16 +47,6 @@ config GSC_WAX
used), a HIL interface chip and is also known to be used as the
GSC bridge for an X.25 GSC card.
-config EISA
- bool "EISA support"
- depends on GSC
- help
- Say Y here if you have an EISA bus in your machine. This code
- supports both the Mongoose & Wax EISA adapters. It is sadly
- incomplete and lacks support for card-to-host DMA.
-
-source "drivers/eisa/Kconfig"
-
config ISA
bool "ISA support"
depends on EISA
@@ -63,17 +54,6 @@ config ISA
If you want to plug an ISA card into your EISA bus, say Y here.
Most people should say N.
-config PCI
- bool "PCI support"
- help
- All recent HP machines have PCI slots, and you should say Y here
- if you have a recent machine. If you are convinced you do not have
- PCI slots in your machine (eg a 712), then you may say "N" here.
- Beware that some GSC cards have a Dino onboard and PCI inside them,
- so it may be safest to say "Y" anyway.
-
-source "drivers/pci/Kconfig"
-
config GSC_DINO
bool "GSCtoPCI/Dino PCI support"
depends on PCI && GSC
@@ -103,8 +83,6 @@ config IOMMU_SBA
depends on PCI_LBA
default PCI_LBA
-source "drivers/pcmcia/Kconfig"
-
endmenu
menu "PA-RISC specific drivers"
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index 701a7d6a74d5..8937ba70d817 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -55,6 +55,8 @@
#include <asm/hardware.h> /* for register_module() */
#include <asm/parisc-device.h>
+#include "iommu.h"
+
/*
** Choose "ccio" since that's what HP-UX calls it.
** Make it easier for folks to migrate from one to the other :^)
@@ -110,8 +112,6 @@
#define CMD_TLB_DIRECT_WRITE 35 /* IO_COMMAND for I/O TLB Writes */
#define CMD_TLB_PURGE 33 /* IO_COMMAND to Purge I/O TLB entry */
-#define CCIO_MAPPING_ERROR (~(dma_addr_t)0)
-
struct ioa_registers {
/* Runway Supervisory Set */
int32_t unused1[12];
@@ -712,8 +712,8 @@ ccio_dma_supported(struct device *dev, u64 mask)
return 0;
}
- /* only support 32-bit devices (ie PCI/GSC) */
- return (int)(mask == 0xffffffffUL);
+ /* only support 32-bit or better devices (ie PCI/GSC) */
+ return (int)(mask >= 0xffffffffUL);
}
/**
@@ -740,7 +740,7 @@ ccio_map_single(struct device *dev, void *addr, size_t size,
BUG_ON(!dev);
ioc = GET_IOC(dev);
if (!ioc)
- return CCIO_MAPPING_ERROR;
+ return DMA_MAPPING_ERROR;
BUG_ON(size <= 0);
@@ -1021,11 +1021,6 @@ ccio_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents,
DBG_RUN_SG("%s() DONE (nents %d)\n", __func__, nents);
}
-static int ccio_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
- return dma_addr == CCIO_MAPPING_ERROR;
-}
-
static const struct dma_map_ops ccio_ops = {
.dma_supported = ccio_dma_supported,
.alloc = ccio_alloc,
@@ -1034,7 +1029,6 @@ static const struct dma_map_ops ccio_ops = {
.unmap_page = ccio_unmap_page,
.map_sg = ccio_map_sg,
.unmap_sg = ccio_unmap_sg,
- .mapping_error = ccio_mapping_error,
};
#ifdef CONFIG_PROC_FS
@@ -1251,7 +1245,7 @@ ccio_ioc_init(struct ioc *ioc)
** Hot-Plug/Removal of PCI cards. (aka PCI OLARD).
*/
- iova_space_size = (u32) (totalram_pages / count_parisc_driver(&ccio_driver));
+ iova_space_size = (u32) (totalram_pages() / count_parisc_driver(&ccio_driver));
/* limit IOVA space size to 1MB-1GB */
@@ -1290,7 +1284,7 @@ ccio_ioc_init(struct ioc *ioc)
DBG_INIT("%s() hpa 0x%p mem %luMB IOV %dMB (%d bits)\n",
__func__, ioc->ioc_regs,
- (unsigned long) totalram_pages >> (20 - PAGE_SHIFT),
+ (unsigned long) totalram_pages() >> (20 - PAGE_SHIFT),
iova_space_size>>20,
iov_order + PAGE_SHIFT);
@@ -1525,6 +1519,7 @@ static int __init ccio_probe(struct parisc_device *dev)
{
int i;
struct ioc *ioc, **ioc_p = &ioc_list;
+ struct pci_hba_data *hba;
ioc = kzalloc(sizeof(struct ioc), GFP_KERNEL);
if (ioc == NULL) {
@@ -1551,11 +1546,13 @@ static int __init ccio_probe(struct parisc_device *dev)
ccio_ioc_init(ioc);
ccio_init_resources(ioc);
hppa_dma_ops = &ccio_ops;
- dev->dev.platform_data = kzalloc(sizeof(struct pci_hba_data), GFP_KERNEL);
+ hba = kzalloc(sizeof(*hba), GFP_KERNEL);
/* if this fails, no I/O cards will work, so may as well bug */
- BUG_ON(dev->dev.platform_data == NULL);
- HBA_DATA(dev->dev.platform_data)->iommu = ioc;
+ BUG_ON(hba == NULL);
+
+ hba->iommu = ioc;
+ dev->dev.platform_data = hba;
#ifdef CONFIG_PROC_FS
if (ioc_count == 0) {
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index dfeea458a789..846b59d15999 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -59,6 +59,7 @@
#include <asm/hardware.h>
#include "gsc.h"
+#include "iommu.h"
#undef DINO_DEBUG
@@ -153,12 +154,10 @@ struct dino_device
#endif
};
-/* Looks nice and keeps the compiler happy */
-#define DINO_DEV(d) ({ \
- void *__pdata = d; \
- BUG_ON(!__pdata); \
- (struct dino_device *)__pdata; })
-
+static inline struct dino_device *DINO_DEV(struct pci_hba_data *hba)
+{
+ return container_of(hba, struct dino_device, hba);
+}
/*
* Dino Configuration Space Accessor Functions
diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c
index 9ff434f354bd..5657a1d3eb2b 100644
--- a/drivers/parisc/eisa.c
+++ b/drivers/parisc/eisa.c
@@ -45,6 +45,8 @@
#include <asm/eisa_bus.h>
#include <asm/eisa_eeprom.h>
+#include "iommu.h"
+
#if 0
#define EISA_DBG(msg, arg...) printk(KERN_DEBUG "eisa: " msg, ## arg)
#else
diff --git a/drivers/parisc/hppb.c b/drivers/parisc/hppb.c
index ebc7b617e5d0..3b3481c0d81d 100644
--- a/drivers/parisc/hppb.c
+++ b/drivers/parisc/hppb.c
@@ -23,6 +23,8 @@
#include <asm/hardware.h>
#include <asm/parisc-device.h>
+#include "iommu.h"
+
struct hppb_card {
unsigned long hpa;
struct resource mmio_region;
diff --git a/drivers/parisc/iommu.h b/drivers/parisc/iommu.h
new file mode 100644
index 000000000000..240059cd8185
--- /dev/null
+++ b/drivers/parisc/iommu.h
@@ -0,0 +1,55 @@
+#ifndef _IOMMU_H
+#define _IOMMU_H 1
+
+#include <linux/pci.h>
+
+struct parisc_device;
+struct ioc;
+
+static inline struct pci_hba_data *parisc_walk_tree(struct device *dev)
+{
+ struct device *otherdev;
+
+ if (likely(dev->platform_data))
+ return dev->platform_data;
+
+ /* OK, just traverse the bus to find it */
+ for (otherdev = dev->parent;
+ otherdev;
+ otherdev = otherdev->parent) {
+ if (otherdev->platform_data) {
+ dev->platform_data = otherdev->platform_data;
+ break;
+ }
+ }
+
+ return dev->platform_data;
+}
+
+static inline struct ioc *GET_IOC(struct device *dev)
+{
+ struct pci_hba_data *pdata = parisc_walk_tree(dev);
+
+ if (!pdata)
+ return NULL;
+ return pdata->iommu;
+}
+
+#ifdef CONFIG_IOMMU_CCIO
+void *ccio_get_iommu(const struct parisc_device *dev);
+int ccio_request_resource(const struct parisc_device *dev,
+ struct resource *res);
+int ccio_allocate_resource(const struct parisc_device *dev,
+ struct resource *res, unsigned long size,
+ unsigned long min, unsigned long max, unsigned long align);
+#else /* !CONFIG_IOMMU_CCIO */
+#define ccio_get_iommu(dev) NULL
+#define ccio_request_resource(dev, res) insert_resource(&iomem_resource, res)
+#define ccio_allocate_resource(dev, res, size, min, max, align) \
+ allocate_resource(&iomem_resource, res, size, min, max, \
+ align, NULL, NULL)
+#endif /* !CONFIG_IOMMU_CCIO */
+
+void *sba_get_iommu(struct parisc_device *dev);
+
+#endif /* _IOMMU_H */
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index 144c77dfe4b1..6bad04cbb1d3 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -126,21 +126,10 @@
** o disable IRdT - call disable_irq(vector[line]->processor_irq)
*/
-
-/* FIXME: determine which include files are really needed */
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/spinlock.h>
#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/interrupt.h>
-#include <asm/byteorder.h> /* get in-line asm for swab */
#include <asm/pdc.h>
#include <asm/pdcpat.h>
-#include <asm/page.h>
-#include <asm/io.h> /* read/write functions */
#ifdef CONFIG_SUPERIO
#include <asm/superio.h>
#endif
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index 69bd98421eb1..d4701589bc8c 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -49,6 +49,8 @@
#include <asm/parisc-device.h>
#include <asm/io.h> /* read/write stuff */
+#include "iommu.h"
+
#undef DEBUG_LBA /* general stuff */
#undef DEBUG_LBA_PORT /* debug I/O Port access */
#undef DEBUG_LBA_CFG /* debug Config Space Access (ie PCI Bus walk) */
@@ -109,12 +111,10 @@ static u32 lba_t32;
#define LBA_SKIP_PROBE(d) ((d)->flags & LBA_FLAG_SKIP_PROBE)
-
-/* Looks nice and keeps the compiler happy */
-#define LBA_DEV(d) ({ \
- void *__pdata = d; \
- BUG_ON(!__pdata); \
- (struct lba_device *)__pdata; })
+static inline struct lba_device *LBA_DEV(struct pci_hba_data *hba)
+{
+ return container_of(hba, struct lba_device, hba);
+}
/*
** Only allow 8 subsidiary busses per LBA
@@ -1275,7 +1275,7 @@ lba_legacy_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev)
r->flags = IORESOURCE_MEM;
/* mmio_mask also clears Enable bit */
r->start &= mmio_mask;
- r->start = PCI_HOST_ADDR(HBA_DATA(lba_dev), r->start);
+ r->start = PCI_HOST_ADDR(&lba_dev->hba, r->start);
rsize = ~ READ_REG32(lba_dev->hba.base_addr + LBA_LMMIO_MASK);
/*
@@ -1321,7 +1321,7 @@ lba_legacy_resources(struct parisc_device *pa_dev, struct lba_device *lba_dev)
r->flags = IORESOURCE_MEM;
/* mmio_mask also clears Enable bit */
r->start &= mmio_mask;
- r->start = PCI_HOST_ADDR(HBA_DATA(lba_dev), r->start);
+ r->start = PCI_HOST_ADDR(&lba_dev->hba, r->start);
rsize = READ_REG32(lba_dev->hba.base_addr + LBA_ELMMIO_MASK);
r->end = r->start + ~rsize;
}
@@ -1562,7 +1562,7 @@ lba_driver_probe(struct parisc_device *dev)
/* ------------ Second : initialize common stuff ---------- */
pci_bios = &lba_bios_ops;
- pcibios_register_hba(HBA_DATA(lba_dev));
+ pcibios_register_hba(&lba_dev->hba);
spin_lock_init(&lba_dev->lba_lock);
if (lba_hw_init(lba_dev))
@@ -1743,3 +1743,15 @@ static void quirk_diva_aux_disable(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_DIVA_AUX,
quirk_diva_aux_disable);
+
+static void quirk_tosca_aux_disable(struct pci_dev *dev)
+{
+ if (dev->subsystem_vendor != PCI_VENDOR_ID_HP ||
+ dev->subsystem_device != 0x104a)
+ return;
+
+ dev_info(&dev->dev, "Hiding Tosca secondary built-in AUX serial device");
+ dev->device = 0;
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_DIVA,
+ quirk_tosca_aux_disable);
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index c1e599a429af..afaf8e6aefe6 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -49,6 +49,8 @@
#include <asm/pdcpat.h> /* for is_pdc_pat() */
#include <asm/parisc-device.h>
+#include "iommu.h"
+
#define MODULE_NAME "SBA"
/*
@@ -93,8 +95,6 @@
#define DEFAULT_DMA_HINT_REG 0
-#define SBA_MAPPING_ERROR (~(dma_addr_t)0)
-
struct sba_device *sba_list;
EXPORT_SYMBOL_GPL(sba_list);
@@ -725,7 +725,7 @@ sba_map_single(struct device *dev, void *addr, size_t size,
ioc = GET_IOC(dev);
if (!ioc)
- return SBA_MAPPING_ERROR;
+ return DMA_MAPPING_ERROR;
/* save offset bits */
offset = ((dma_addr_t) (long) addr) & ~IOVP_MASK;
@@ -1080,11 +1080,6 @@ sba_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents,
}
-static int sba_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
- return dma_addr == SBA_MAPPING_ERROR;
-}
-
static const struct dma_map_ops sba_ops = {
.dma_supported = sba_dma_supported,
.alloc = sba_alloc,
@@ -1093,7 +1088,6 @@ static const struct dma_map_ops sba_ops = {
.unmap_page = sba_unmap_page,
.map_sg = sba_map_sg,
.unmap_sg = sba_unmap_sg,
- .mapping_error = sba_mapping_error,
};
@@ -1414,7 +1408,7 @@ sba_ioc_init(struct parisc_device *sba, struct ioc *ioc, int ioc_num)
** for DMA hints - ergo only 30 bits max.
*/
- iova_space_size = (u32) (totalram_pages/global_ioc_cnt);
+ iova_space_size = (u32) (totalram_pages()/global_ioc_cnt);
/* limit IOVA space size to 1MB-1GB */
if (iova_space_size < (1 << (20 - PAGE_SHIFT))) {
@@ -1439,7 +1433,7 @@ sba_ioc_init(struct parisc_device *sba, struct ioc *ioc, int ioc_num)
DBG_INIT("%s() hpa 0x%lx mem %ldMB IOV %dMB (%d bits)\n",
__func__,
ioc->ioc_hpa,
- (unsigned long) totalram_pages >> (20 - PAGE_SHIFT),
+ (unsigned long) totalram_pages() >> (20 - PAGE_SHIFT),
iova_space_size>>20,
iov_order + PAGE_SHIFT);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.