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bsp/mpc55xx: Add .dsram section

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This commit is contained in:
Sebastian Huber
2012-12-03 13:17:12 +01:00
parent bb3090c545
commit 65ab304bd8
2 changed files with 25 additions and 2 deletions
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c/src/lib/libbsp/powerpc/mpc55xxevb/include/bsp.h
+10
View File
@@ -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;
c/src/lib/libbsp/powerpc/mpc55xxevb/startup/linkcmds.mpc5674f_ecu508
+15 -2
View File
@@ -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