diff options
| author | Chris Johns <chrisj@rtems.org> | 2021-09-18 12:05:42 +1000 |
|---|---|---|
| committer | Chris Johns <chrisj@rtems.org> | 2021-09-19 10:08:25 +1000 |
| commit | 9e30a716a3254f24635972657b8398c35daa014e (patch) | |
| tree | 789259fcb721fabc924d5faf18c5514e8ce253b8 | |
| parent | rtems: Fix message manager documentation (diff) | |
| download | rtems-9e30a716a3254f24635972657b8398c35daa014e.tar.bz2 | |
powerpc/motorola_powerpc: Map LibBSD bus space to the PCI base address
| -rw-r--r-- | bsps/powerpc/motorola_powerpc/include/bsp.h | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/bsps/powerpc/motorola_powerpc/include/bsp.h b/bsps/powerpc/motorola_powerpc/include/bsp.h index af0e71471e..7d362bf406 100644 --- a/bsps/powerpc/motorola_powerpc/include/bsp.h +++ b/bsps/powerpc/motorola_powerpc/include/bsp.h @@ -31,11 +31,11 @@ #include <rtems.h> #include <libcpu/io.h> #include <bsp/vectors.h> - + #ifdef qemu #include <rtems/bspcmdline.h> #endif - + #ifdef __cplusplus extern "C" { #endif @@ -118,7 +118,33 @@ extern "C" { /* * The BSP has PCI devices. Enable support in LibBSD. */ -#define BSP_HAS_PCI +#define BSP_HAS_PC_PCI + +/* + * Remap the PCI address space for LibBSD + */ +#define RTEMS_BSP_PCI_IO_REGION_BASE 0 +#define RTEMS_BSP_PCI_MEM_REGION_BASE PCI_DRAM_OFFSET + +/* + * Remap the PCI address space for LibBSD + */ +#define RTEMS_BSP_ADDR_PTR(_type) uint ## _type ## _t __volatile* +#define RTEMS_BSP_ADDR_CPTR(_type) const RTEMS_BSP_ADDR_PTR(_type) +#define RTEMS_BSP_ADDRESS_READ(_addr, _type) \ + *((RTEMS_BSP_ADDR_CPTR(_type)) (((RTEMS_BSP_ADDR_CPTR(8)) _addr) + PCI_DRAM_OFFSET)) +#define RTEMS_BSP_ADDRESS_WRITE(_addr, _val, _type) \ + *((RTEMS_BSP_ADDR_PTR(_type)) (((RTEMS_BSP_ADDR_PTR(8)) _addr) + PCI_DRAM_OFFSET)) = (_val) + +#define RTEMS_BSP_READ_1(_addr) RTEMS_BSP_ADDRESS_READ(_addr, 8) +#define RTEMS_BSP_READ_2(_addr) RTEMS_BSP_ADDRESS_READ(_addr, 16) +#define RTEMS_BSP_READ_4(_addr) RTEMS_BSP_ADDRESS_READ(_addr, 32) +#define RTEMS_BSP_READ_8(_addr) RTEMS_BSP_ADDRESS_READ(_addr, 64) + +#define RTEMS_BSP_WRITE_1(_addr, _val) RTEMS_BSP_ADDRESS_WRITE(_addr, _val, 8) +#define RTEMS_BSP_WRITE_2(_addr, _val) RTEMS_BSP_ADDRESS_WRITE(_addr, _val, 16) +#define RTEMS_BSP_WRITE_4(_addr, _val) RTEMS_BSP_ADDRESS_WRITE(_addr, _val, 32) +#define RTEMS_BSP_WRITE_8(_addr, _val) RTEMS_BSP_ADDRESS_WRITE(_addr, _val, 64) /* * Base address definitions for several devices |