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Staging: ipack: Add IPACK_INT_SPACE memory space.

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This will allow us to correctly access the IPack INT space.

Signed-off-by: Jens Taprogge <jens.taprogge@taprogge.org>
Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jens Taprogge 2012-09-13 12:32:19 +02:00 committed by Greg Kroah-Hartman
parent 7505817603
commit e4af9497b6
3 changed files with 33 additions and 0 deletions
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29
drivers/staging/ipack/bridges/tpci200.c
View file

@ -95,6 +95,8 @@ static void tpci200_unregister(struct tpci200_board *tpci200)
tpci200->slots[i].io_phys.size = 0;
tpci200->slots[i].id_phys.address = NULL;
tpci200->slots[i].id_phys.size = 0;
tpci200->slots[i].int_phys.address = NULL;
tpci200->slots[i].int_phys.size = 0;
tpci200->slots[i].mem_phys.address = NULL;
tpci200->slots[i].mem_phys.size = 0;
}
@ -331,6 +333,11 @@ static int tpci200_register(struct tpci200_board *tpci200)
TPCI200_ID_SPACE_OFF + TPCI200_ID_SPACE_GAP*i;
tpci200->slots[i].id_phys.size = TPCI200_ID_SPACE_SIZE;
tpci200->slots[i].int_phys.address =
(void __iomem *)ioidint_base +
TPCI200_INT_SPACE_OFF + TPCI200_INT_SPACE_GAP * i;
tpci200->slots[i].int_phys.size = TPCI200_INT_SPACE_SIZE;
tpci200->slots[i].mem_phys.address =
(void __iomem *)mem_base + TPCI200_MEM8_GAP*i;
tpci200->slots[i].mem_phys.size = TPCI200_MEM8_SIZE;
@ -391,6 +398,15 @@ static int tpci200_slot_unmap_space(struct ipack_device *dev, int space)
}
virt_addr_space = &dev->id_space;
break;
case IPACK_INT_SPACE:
if (dev->int_space.address == NULL) {
dev_info(&dev->dev,
"Slot [%d:%d] INT space not mapped !\n",
dev->bus_nr, dev->slot);
goto out_unlock;
}
virt_addr_space = &dev->int_space;
break;
case IPACK_MEM_SPACE:
if (dev->mem_space.address == NULL) {
dev_info(&dev->dev,
@ -460,6 +476,19 @@ static int tpci200_slot_map_space(struct ipack_device *dev,
phys_address = tpci200->slots[dev->slot].id_phys.address;
size_to_map = tpci200->slots[dev->slot].id_phys.size;
break;
case IPACK_INT_SPACE:
if (dev->int_space.address != NULL) {
dev_err(&dev->dev,
"Slot [%d:%d] INT space already mapped !\n",
tpci200->number, dev->slot);
res = -EINVAL;
goto out_unlock;
}
virt_addr_space = &dev->int_space;
phys_address = tpci200->slots[dev->slot].int_phys.address;
size_to_map = tpci200->slots[dev->slot].int_phys.size;
break;
case IPACK_MEM_SPACE:
if (dev->mem_space.address != NULL) {
dev_err(&dev->dev,

2
drivers/staging/ipack/bridges/tpci200.h
View file

@ -132,6 +132,7 @@ struct slot_irq {
* @irq Slot IRQ infos
* @io_phys IO physical base address register of the slot
* @id_phys ID physical base address register of the slot
* @int_phys INT physical base address register of the slot
* @mem_phys MEM physical base address register of the slot
*
*/
@ -139,6 +140,7 @@ struct tpci200_slot {
struct slot_irq *irq;
struct ipack_addr_space io_phys;
struct ipack_addr_space id_phys;
struct ipack_addr_space int_phys;
struct ipack_addr_space mem_phys;
};

2
drivers/staging/ipack/ipack.h
View file

@ -35,6 +35,7 @@ enum ipack_space {
IPACK_IO_SPACE = 0,
IPACK_ID_SPACE = 1,
IPACK_MEM_SPACE = 2,
IPACK_INT_SPACE,
};
/**
@ -71,6 +72,7 @@ struct ipack_device {
struct ipack_bus_device *bus;
struct ipack_addr_space id_space;
struct ipack_addr_space io_space;
struct ipack_addr_space int_space;
struct ipack_addr_space mem_space;
struct device dev;
u8 *id;