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PCI: microchip: Move PLDA structures to plda-pcie.h

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Move the PLDA generic data structures to a header file so they can be
re-used by all PLDA-based drivers.

[kwilczynski: commit log]
Link: https://lore.kernel.org/linux-pci/20240328091835.14797-7-minda.chen@starfivetech.com
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
This commit is contained in:
Minda Chen 2024-03-28 17:18:19 +08:00 committed by Bjorn Helgaas
parent e9b7007a94
commit 41ceca8c61
2 changed files with 21 additions and 20 deletions
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20
drivers/pci/controller/plda/pcie-microchip-host.c
View File

@ -21,9 +21,6 @@
#include "../../pci.h"
#include "pcie-plda.h"
/* Number of MSI IRQs */
#define PLDA_MAX_NUM_MSI_IRQS 32
/* PCIe Bridge Phy and Controller Phy offsets */
#define MC_PCIE1_BRIDGE_ADDR 0x00008000u
#define MC_PCIE1_CTRL_ADDR 0x0000a000u
@ -179,23 +176,6 @@ struct event_map {
u32 event_bit;
};
struct plda_msi {
struct mutex lock; /* Protect used bitmap */
struct irq_domain *msi_domain;
struct irq_domain *dev_domain;
u32 num_vectors;
u64 vector_phy;
DECLARE_BITMAP(used, PLDA_MAX_NUM_MSI_IRQS);
};
struct plda_pcie_rp {
struct device *dev;
struct irq_domain *intx_domain;
struct irq_domain *event_domain;
raw_spinlock_t lock;
struct plda_msi msi;
void __iomem *bridge_addr;
};
struct mc_pcie {
struct plda_pcie_rp plda;

21
drivers/pci/controller/plda/pcie-plda.h
View File

@ -6,6 +6,9 @@
#ifndef _PCIE_PLDA_H
#define _PCIE_PLDA_H
/* Number of MSI IRQs */
#define PLDA_MAX_NUM_MSI_IRQS 32
/* PCIe Bridge Phy Regs */
#define PCIE_PCI_IRQ_DW0 0xa8
#define MSIX_CAP_MASK BIT(31)
@ -105,4 +108,22 @@ enum plda_int_event {
#define PLDA_MAX_EVENT_NUM (PLDA_NUM_DMA_EVENTS + PLDA_INT_EVENT_NUM)
struct plda_msi {
struct mutex lock; /* Protect used bitmap */
struct irq_domain *msi_domain;
struct irq_domain *dev_domain;
u32 num_vectors;
u64 vector_phy;
DECLARE_BITMAP(used, PLDA_MAX_NUM_MSI_IRQS);
};
struct plda_pcie_rp {
struct device *dev;
struct irq_domain *intx_domain;
struct irq_domain *event_domain;
raw_spinlock_t lock;
struct plda_msi msi;
void __iomem *bridge_addr;
};
#endif