diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mpc55xxevb')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mpc55xxevb/include/bsp.h | 10 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508 | 17 |
2 files changed, 25 insertions, 2 deletions
diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/include/bsp.h b/c/src/lib/libbsp/powerpc/mpc55xxevb/include/bsp.h index 017e105ad0..54e4b543d0 100644 --- a/c/src/lib/libbsp/powerpc/mpc55xxevb/include/bsp.h +++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/include/bsp.h @@ -37,6 +37,8 @@ #include <rtems/console.h> #include <rtems/clockdrv.h> +#include <libcpu/powerpc-utility.h> + #include <bsp/tictac.h> #include <bsp/default-initial-extension.h> @@ -77,6 +79,14 @@ void *bsp_idle_thread(uintptr_t arg); #define BSP_IDLE_TASK_BODY bsp_idle_thread +LINKER_SYMBOL(bsp_section_dsram_begin) +LINKER_SYMBOL(bsp_section_dsram_end) +LINKER_SYMBOL(bsp_section_dsram_size) +LINKER_SYMBOL(bsp_section_dsram_load_begin) +LINKER_SYMBOL(bsp_section_dsram_load_end) + +#define BSP_DSRAM_SECTION __attribute__((section(".bsp_dsram"))) + typedef enum { MPC55XX_FATAL_FMPLL_LOCK } mpc55xx_fatal_code; diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508 b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508 index f38ca475c0..46938043e6 100644 --- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508 +++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508 @@ -1,7 +1,9 @@ MEMORY { - RAM : ORIGIN = 0x40000000, LENGTH = 256K - 16k - RAM_EXT : ORIGIN = 0x20000000, LENGTH = 512K + DSROM : ORIGIN = 0x00020000, LENGTH = 64k + RAM : ORIGIN = 0x40000000, LENGTH = 240k NOCACHE : ORIGIN = 0x4003c000, LENGTH = 16k + DSRAM : ORIGIN = 0x20000000, LENGTH = 64k + RAM_EXT : ORIGIN = 0x20010000, LENGTH = 448k NVRAM : ORIGIN = 0x3ffa0000, LENGTH = 128k } @@ -24,4 +26,15 @@ REGION_ALIAS ("REGION_NOCACHE", NOCACHE); REGION_ALIAS ("REGION_NOCACHE_LOAD", ROM); REGION_ALIAS ("REGION_NVRAM", NVRAM); +SECTIONS { + .dsram (NOLOAD) : { + bsp_section_dsram_begin = .; + *(SORT(.bsp_dsram*)) + bsp_section_dsram_end = .; + } > DSRAM AT > DSROM + bsp_section_dsram_size = bsp_section_dsram_end - bsp_section_dsram_begin; + bsp_section_dsram_load_begin = LOADADDR (.dsram); + bsp_section_dsram_load_end = bsp_section_dsram_load_begin + bsp_section_dsram_size; +} + INCLUDE linkcmds.mpc55xx |