diff options
Diffstat (limited to 'c_user/pci_library.rst')
| -rw-r--r-- | c_user/pci_library.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/c_user/pci_library.rst b/c_user/pci_library.rst index 6d97e3d..e70e88e 100644 --- a/c_user/pci_library.rst +++ b/c_user/pci_library.rst @@ -292,7 +292,7 @@ slot. Requests made to slots that are not supported by hardware should result in ``PCISTS_MSTABRT`` and/or data must be ignored (writes) or ``0xFFFFFFFF`` is always returned (reads). -.. code:: c +.. code-block:: c /* Configuration Space Access Read Routines */ extern int pci_cfg_r8(pci_dev_t dev, int ofs, uint8_t *data); @@ -316,7 +316,7 @@ to the functions is not the PCI I/O addresses, the caller must have translated PCI I/O addresses (available in the PCI BARs) into a BSP or host driver custom address, see `Access functions`_ for how addresses are translated. -.. code:: c +.. code-block:: c /* Read a register over PCI I/O Space */ extern uint8_t pci_io_r8(uint32_t adr); @@ -340,7 +340,7 @@ swapped back. The below routines makes it possible to access registers over PCI memory space in a portable way on different architectures, the BSP or architecture must provide necessary functions in order to implement this. -.. code:: c +.. code-block:: c static inline uint16_t pci_ld_le16(volatile uint16_t *addr); static inline void pci_st_le16(volatile uint16_t *addr, uint16_t val); @@ -364,7 +364,7 @@ have the same arguments and return values as the above functions. The pci_access_func() function defined below can be used to get a function pointer of a specific access type. -.. code:: c +.. code-block:: c /* Get Read/Write function for accessing a register over PCI Memory Space * (non-inline functions). @@ -397,7 +397,7 @@ are PCI addresses. The below functions can be used to translate PCI addresses into CPU accessible addresses or vice versa, translation may be different for different PCI spaces/regions. -.. code:: c +.. code-block:: c /* Translate PCI address into CPU accessible address */ static inline int pci_pci2cpu(uint32_t *address, int type); |