diff options
Diffstat (limited to 'bsps/powerpc/beatnik/net/porting/rtemscompat_defs.h.template')
| -rw-r--r-- | bsps/powerpc/beatnik/net/porting/rtemscompat_defs.h.template | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/bsps/powerpc/beatnik/net/porting/rtemscompat_defs.h.template b/bsps/powerpc/beatnik/net/porting/rtemscompat_defs.h.template new file mode 100644 index 0000000000..5dc8d1efff --- /dev/null +++ b/bsps/powerpc/beatnik/net/porting/rtemscompat_defs.h.template @@ -0,0 +1,97 @@ +#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 |