diff options
Diffstat (limited to 'drivers/net/greth.c')
| -rw-r--r-- | drivers/net/greth.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/greth.c b/drivers/net/greth.c index 9bc8a8d..3756463 100644 --- a/drivers/net/greth.c +++ b/drivers/net/greth.c @@ -34,6 +34,13 @@ #define GRETH_PHY_ADR_DEFAULT 0 #endif +/* Let board select which GRETH to use as network interface, set + * this to zero if only one GRETH is available. + */ +#ifndef CONFIG_SYS_GRLIB_GRETH_INDEX +#define CONFIG_SYS_GRLIB_GRETH_INDEX 0 +#endif + /* ByPass Cache when reading regs */ #define GRETH_REGLOAD(addr) SPARC_NOCACHE_READ(addr) /* Write-through cache ==> no bypassing needed on writes */ @@ -593,8 +600,12 @@ int greth_initialize(bd_t * bis) debug("Scanning for GRETH\n"); - /* Find Device & IRQ via AMBA Plug&Play information */ - if (ambapp_apb_first(VENDOR_GAISLER, GAISLER_ETHMAC, &apbdev) != 1) { + /* Find Device & IRQ via AMBA Plug&Play information, + * CONFIG_SYS_GRLIB_GRETH_INDEX select which GRETH if multiple + * GRETHs in system. + */ + if (ambapp_apb_find(&ambapp_plb, VENDOR_GAISLER, GAISLER_ETHMAC, + CONFIG_SYS_GRLIB_GRETH_INDEX, &apbdev) != 1) { return -1; /* GRETH not found */ } |