diff options
| author | Daniel Hellstrom <daniel@gaisler.com> | 2013-05-21 10:10:21 +0200 |
|---|---|---|
| committer | Daniel Hellstrom <daniel@gaisler.com> | 2015-04-17 01:10:19 +0200 |
| commit | ab907e8eabf5d2d756d2b4ab83a2c9ac7bb4566e (patch) | |
| tree | 7934639b66970dea8e915c054d55faf6de353893 /c/src/lib/libbsp/sparc/shared | |
| parent | LEON GRSPW: updated to new DRVMGR translation interface (diff) | |
| download | rtems-ab907e8eabf5d2d756d2b4ab83a2c9ac7bb4566e.tar.bz2 | |
NGMP PCI: added support for NGMP prototype boards
Diffstat (limited to 'c/src/lib/libbsp/sparc/shared')
| -rw-r--r-- | c/src/lib/libbsp/sparc/shared/pci/gr_leon4_n2x.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/pci/gr_leon4_n2x.c b/c/src/lib/libbsp/sparc/shared/pci/gr_leon4_n2x.c index 0433b9efba..5e727ce1f9 100644 --- a/c/src/lib/libbsp/sparc/shared/pci/gr_leon4_n2x.c +++ b/c/src/lib/libbsp/sparc/shared/pci/gr_leon4_n2x.c @@ -164,6 +164,7 @@ struct drvmgr_drv_ops gr_cpci_leon4_n2x_ops = struct pci_dev_id_match gr_cpci_leon4_n2x_ids[] = { PCIID_DEVVEND(PCIID_VENDOR_GAISLER, PCIID_DEVICE_GR_LEON4_N2X), + PCIID_DEVVEND(PCIID_VENDOR_GAISLER, PCIID_DEVICE_GR_NGMP_PROTO), PCIID_END_TABLE /* Mark end of table */ }; @@ -351,15 +352,17 @@ int gr_cpci_leon4_n2x_hw_init1(struct gr_cpci_leon4_n2x_priv *priv) /* Get extended Interrupt controller IRQ number */ priv->eirq = (priv->irq->mpstat >> 16) & 0xf; - /* Find first Clock-Gating unit, enable/disable the requested cores */ + /* Find first Clock-Gating unit, enable/disable the requested cores. + * It is optional in order to support FPGA prototypes. + */ + priv->cg = NULL; tmp = (struct ambapp_dev *)ambapp_for_each(&priv->abus, (OPTIONS_ALL|OPTIONS_APB_SLVS), VENDOR_GAISLER, GAISLER_CLKGATE, ambapp_find_by_idx, NULL); - if ( !tmp ) { - return -5; - } - priv->cg = (struct l4n2x_grcg_regs *)DEV_TO_APB(tmp)->start; + if (tmp) + priv->cg = (struct l4n2x_grcg_regs *)DEV_TO_APB(tmp)->start; + /* Do reset and enable sequence only if not already enabled */ if (priv->cg && ((enabled = priv->cg->enable) != priv->cg_en_mask)) { /* First disable already enabled cores */ |