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#ifndef RTEMS_COMPAT_DEFS_H
#define RTEMS_COMPAT_DEFS_H
/* Symbol definitions for a particular driver */
/* Copyright: Till Straumann <strauman@slac.stanford.edu>, 2005;
* License: see LICENSE file.
*/
/* Number of device instances the driver should support
* - may be limited to 1 depending on IRQ API
* (braindamaged PC586 and powerpc)
*/
#define NETDRIVER_SLOTS 1
/* String name to print with error messages */
#define NETDRIVER "PCN"
/* Name snippet used to make global symbols unique to this driver */
#define NETDRIVER_PREFIX pcn
/* Define according to endianness of the *ethernet*chip*
* (not the CPU - most probably are LE)
* This must be either NET_CHIP_LE or NET_CHIP_BE
*/
#define NET_CHIP_LE
#undef NET_CHIP_BE
/* Define either NET_CHIP_MEM_IO or NET_CHIP_PORT_IO,
* depending whether the CPU sees it in memory address space
* or (e.g. x86) uses special I/O instructions.
*/
#define NET_CHIP_MEM_IO
#undef NET_CHIP_PORT_IO
/* The name of the hijacked 'bus handle' field in the softc
* structure. We use this field to store the chip's base address.
*/
#define NET_SOFTC_BHANDLE_FIELD pcn_bhandle
/* define the names of the 'if_XXXreg.h' and 'if_XXXvar.h' headers
* (only if present, i.e., if the BSDNET driver has no respective
* header, leave this undefined).
*
*/
#undef IF_REG_HEADER <if_XXXreg.h>
#undef IF_VAR_HEADER <if_XXXvar.h>
/* define if a pci device */
#define NETDRIVER_PCI <bsp/pci.h>
/* Macros to disable and enable interrupts, respectively.
* The 'disable' macro is expanded in the ISR, the 'enable'
* macro is expanded in the driver task.
* The global network semaphore usually provides mutex
* protection of the device registers.
* Special care must be taken when coding the 'disable' macro,
* however to MAKE SURE THERE ARE NO OTHER SIDE EFFECTS such
* as:
* - macro must not clear any status flags
* - macro must save/restore any context information
* (e.g., a address register pointer or a bank switch register)
*
* ARGUMENT: the macro arg is a pointer to the driver's 'softc' structure
*/
/* Here EXAMPLES for the pcnet chip which addresses registers indirectly
* through a 'address-pointer' (RAP) and 'data-port' (RDP) register pair:
#define NET_DISABLE_IRQS(sc) do { \
unsigned rap = CSR_READ_4((sc),PCN_IO32_RAP); \
unsigned val; \
CSR_WRITE_4((sc),PCN_IO32_RAP,PCN_CSR_CSR); \
val = CSR_READ_4((sc),PCN_IO32_RDP); \
CSR_WRITE_4((sc), PCN_IO32_RDP, val & ~(CSR0_INT_STATUS_MASK | PCN_CSR_INTEN)); \
CSR_WRITE_4((sc), PCN_IO32_RAP, rap); \
} while (0)
#define NET_ENABLE_IRQS(sc) do { \
unsigned flags,val; \
rtems_interrupt_disable(flags); \
CSR_WRITE_4((sc),PCN_IO32_RAP,PCN_CSR_CSR); \
val = CSR_READ_4((sc),PCN_IO32_RDP); \
CSR_WRITE_4((sc), PCN_IO32_RDP, (val & ~CSR0_INT_STATUS_MASK) | PCN_CSR_INTEN); \
rtems_interrupt_enable(flags); \
} while (0)
*/
/* Driver may provide a macro/function to copy the hardware address
* from the device into 'softc.arpcom'.
* If this is undefined, the driver must to the copy itself.
* Preferrably, it should check soft.arpcom.ac_enaddr for all
* zeros and leave it alone if it is nonzero, i.e., write it
* to the hardware.
#define NET_READ_MAC_ADDR(sc)
*/
#define KASSERT(a...) do {} while (0)
#endif
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