diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/shared/vme/VMEConfig.h')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/shared/vme/VMEConfig.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/shared/vme/VMEConfig.h b/c/src/lib/libbsp/powerpc/shared/vme/VMEConfig.h index 6f89457273..4633f806e1 100644 --- a/c/src/lib/libbsp/powerpc/shared/vme/VMEConfig.h +++ b/c/src/lib/libbsp/powerpc/shared/vme/VMEConfig.h @@ -10,15 +10,24 @@ * NOTE: the BSP (startup/bspstart.c) uses * hardcoded window lengths that match this * layout: + * + * BSP_VME_BAT_IDX defines + * which BAT to use for mapping the VME bus. + * If this is undefined, no extra BAT will be + * configured and VME has to share the available + * PCI address space with PCI devices. */ + #if defined(mvme2100) #define _VME_A32_WIN0_ON_PCI 0x90000000 #define _VME_A24_ON_PCI 0x9f000000 #define _VME_A16_ON_PCI 0x9fff0000 +#define BSP_VME_BAT_IDX 1 #else #define _VME_A32_WIN0_ON_PCI 0x10000000 #define _VME_A24_ON_PCI 0x1f000000 #define _VME_A16_ON_PCI 0x1fff0000 +#define BSP_VME_BAT_IDX 0 #endif /* start of the A32 window on the VME bus @@ -32,4 +41,61 @@ */ #define _VME_DRAM_OFFSET 0xc0000000 +/* Tell the interrupt manager that the universe driver + * already called openpic_eoi() and that this step hence + * must be omitted. + */ + +#define BSP_PCI_VME_DRIVER_DOES_EOI +/* don't reference vmeUniverse0PciIrqLine directly here - leave it up to + * bspstart() to set BSP_vme_bridge_irq. That way, we can generate variants + * of the BSP with / without the universe driver... + */ +extern int _BSP_vme_bridge_irq; + +extern int BSP_VMEInit(); +extern int BSP_VMEIrqMgrInstall(); + +#include <bsp/motorola.h> +#include <bsp/pci.h> + +#define BSP_VME_UNIVERSE_INSTALL_IRQ_MGR \ +do { \ +int bus, dev, i = 0, j; \ +const struct _int_map *bspmap; \ + /* install the VME interrupt manager; \ + * if there's a bsp route map, use it to \ + * configure additional lines... \ + */ \ + if (0 == pci_find_device(0x10e3, 0x0000, 0, &bus, &dev, &i)){ \ + if ( (bspmap = motorolaIntMap(currentBoard)) ) { \ + for ( i=0; bspmap[i].bus >= 0; i++ ) { \ + if ( bspmap[i].bus == bus && bspmap[i].slot == dev ) { \ + int pins[5], names[4]; \ + /* found it; use info here... */ \ + /* copy up to 4 entries; terminated with -1 pin */ \ + for ( j=0; \ + j<5 && (pins[j]=bspmap[i].pin_route[j].pin-1)>=0; \ + j++) { \ + names[j] = bspmap[i].pin_route[j].int_name[0]; \ + } \ + pins[4] = -1; \ + if ( 0 == vmeUniverseInstallIrqMgrAlt( \ + 1, /* shared IRQs */ \ + pins[0], names[0], \ + pins[1], names[1], \ + pins[2], names[2], \ + pins[3], names[3], \ + -1) ) { \ + i = -1; \ + break; \ + } \ + } \ + } \ + } \ + if ( i >= 0 ) \ + vmeUniverseInstallIrqMgrAlt(1,0,-1,-1); \ + } \ +} while (0) + #endif |